/* roulang page: index */
:root {
        --primary-1: #00E5A8;
        --primary-2: #00B8D9;
        --accent-1: #F72585;
        --accent-2: #B5179E;
        --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
        --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
        --bg-base: #0A0F1A;
        --bg-card: #111A2E;
        --bg-card-hover: #121B2D;
        --bg-elevated: #0E1628;
        --text-primary: #F5F7FA;
        --text-secondary: #A0AEC0;
        --text-muted: #64748B;
        --border-primary: rgba(0, 229, 168, 0.14);
        --border-primary-strong: rgba(0, 229, 168, 0.35);
        --border-accent: rgba(247, 37, 133, 0.2);
        --radius-lg: 20px;
        --radius-md: 16px;
        --radius-sm: 12px;
        --radius-btn: 10px;
        --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
        --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
        --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
        --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
        --container-max: 1280px;
        --container-pad: 24px;
        --nav-height: 64px;
        --section-gap: 96px;
        --section-gap-mobile: 56px;
        --card-gap: 24px;
        --item-gap: 16px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.3s ease;
        --transition-slow: 0.5s ease;
    }

    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-sans);
        background-color: var(--bg-base);
        color: var(--text-primary);
        line-height: 1.8;
        font-size: 16px;
        min-height: 100vh;
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: var(--primary-1);
        text-decoration: none;
        transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    }

    a:hover {
        color: var(--primary-2);
    }

    ul, ol {
        list-style: none;
    }

    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        color: inherit;
        border: none;
        outline: none;
        background: none;
    }

    button {
        cursor: pointer;
    }

    ::selection {
        background: rgba(0, 229, 168, 0.25);
        color: #fff;
    }

    :focus-visible {
        outline: 2px solid var(--primary-1);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 var(--container-pad);
        width: 100%;
    }

    /* ===== Header / Nav ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--nav-height);
        background: rgba(10, 15, 26, 0.82);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(0, 229, 168, 0.08);
        transition: background var(--transition-base), border-color var(--transition-base);
    }

    .site-header.scrolled {
        background: rgba(10, 15, 26, 0.95);
        border-bottom-color: rgba(0, 229, 168, 0.2);
    }

    .nav-wrapper {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        height: var(--nav-height);
        width: 100%;
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        font-weight: 700;
        font-size: 1.25rem;
        color: var(--text-primary);
        letter-spacing: 0.5px;
    }

    .nav-logo:hover {
        color: var(--text-primary);
    }

    .nav-logo-badge {
        width: 36px;
        height: 36px;
        background: var(--primary-gradient);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        position: relative;
        overflow: hidden;
        flex-shrink: 0;
    }

    .nav-logo-badge::after {
        content: '';
        position: absolute;
        inset: 0;
        background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
    }

    .nav-logo-text {
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: var(--primary-1);
        font-weight: 700;
        letter-spacing: 0.5px;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        flex: 1;
        justify-content: center;
    }

    .nav-menu a {
        display: block;
        padding: 8px 14px;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: var(--radius-btn);
        transition: color var(--transition-fast), background var(--transition-fast);
        position: relative;
        white-space: nowrap;
    }

    .nav-menu a::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--primary-gradient);
        border-radius: 2px;
        transition: width var(--transition-base);
    }

    .nav-menu a:hover {
        color: var(--text-primary);
        background: rgba(0, 229, 168, 0.06);
    }

    .nav-menu a:hover::after {
        width: 60%;
    }

    .nav-menu a.active {
        color: var(--primary-1);
        background: rgba(0, 229, 168, 0.08);
    }

    .nav-menu a.active::after {
        width: 60%;
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .nav-search {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(17, 26, 46, 0.8);
        border: 1px solid var(--border-primary);
        border-radius: 8px;
        padding: 8px 14px;
        width: 200px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        cursor: text;
    }

    .nav-search:hover {
        border-color: var(--border-primary-strong);
    }

    .nav-search:focus-within {
        border-color: var(--primary-1);
        box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
    }

    .nav-search svg {
        width: 14px;
        height: 14px;
        color: var(--text-muted);
        flex-shrink: 0;
    }

    .nav-search input {
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 0.85rem;
        width: 100%;
        outline: none;
    }

    .nav-search input::placeholder {
        color: var(--text-muted);
    }

    .nav-login-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-secondary);
        border-radius: 999px;
        border: 1px solid rgba(160, 174, 192, 0.2);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .nav-login-btn:hover {
        color: var(--text-primary);
        border-color: var(--text-secondary);
    }

    .nav-cta-btn {
        padding: 8px 18px;
        font-size: 0.85rem;
        font-weight: 700;
        color: #fff;
        background: var(--primary-gradient);
        border-radius: 999px;
        box-shadow: 0 2px 12px rgba(0, 229, 168, 0.3);
        transition: all var(--transition-fast);
        white-space: nowrap;
        letter-spacing: 0.3px;
    }

    .nav-cta-btn:hover {
        box-shadow: var(--shadow-glow-primary);
        filter: brightness(1.1);
        color: #fff;
    }

    .nav-cta-btn:active {
        transform: scale(0.97);
    }

    .nav-hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 36px;
        height: 36px;
        padding: 8px;
        border-radius: 8px;
        background: rgba(17, 26, 46, 0.8);
        border: 1px solid var(--border-primary);
        cursor: pointer;
        transition: border-color var(--transition-fast);
    }

    .nav-hamburger:hover {
        border-color: var(--border-primary-strong);
    }

    .nav-hamburger span {
        display: block;
        height: 2px;
        width: 100%;
        background: var(--text-secondary);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }

    /* ===== Mobile Nav Drawer ===== */
    .mobile-nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 998;
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .mobile-nav-overlay.open {
        opacity: 1;
    }

    .mobile-nav {
        position: fixed;
        top: 0;
        right: -320px;
        width: 280px;
        height: 100vh;
        background: var(--bg-elevated);
        z-index: 999;
        padding: 24px 20px;
        overflow-y: auto;
        transition: right var(--transition-base);
        border-left: 1px solid var(--border-primary);
    }

    .mobile-nav.open {
        right: 0;
    }

    .mobile-nav-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 24px;
    }

    .mobile-nav-close {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: rgba(247, 37, 133, 0.1);
        color: var(--text-secondary);
        font-size: 1.2rem;
        cursor: pointer;
        transition: all var(--transition-fast);
    }

    .mobile-nav-close:hover {
        color: var(--accent-1);
        background: rgba(247, 37, 133, 0.2);
    }

    .mobile-nav a {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        transition: color var(--transition-fast);
    }

    .mobile-nav a:hover,
    .mobile-nav a.active {
        color: var(--primary-1);
    }

    .mobile-nav-cta {
        margin-top: 20px;
        padding: 12px 24px !important;
        background: var(--primary-gradient);
        color: #fff !important;
        font-weight: 700;
        text-align: center;
        border-radius: var(--radius-btn);
        border-bottom: none !important;
    }

    /* ===== Hero ===== */
    .hero-section {
        position: relative;
        min-height: 100vh;
        padding-top: var(--nav-height);
        display: flex;
        align-items: center;
        background: var(--bg-base);
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -30%;
        right: -10%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(0, 229, 168, 0.12) 0%, transparent 60%);
        pointer-events: none;
        z-index: 1;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -20%;
        left: -10%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(247, 37, 133, 0.08) 0%, transparent 60%);
        pointer-events: none;
        z-index: 1;
    }

    .hero-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        position: relative;
        z-index: 2;
        padding: 60px 0;
        width: 100%;
    }

    .hero-left {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .hero-badge-row {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    .hero-promo-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: var(--accent-gradient);
        color: #fff;
        font-weight: 700;
        font-size: 0.8rem;
        border-radius: 999px;
        letter-spacing: 0.5px;
        position: relative;
        overflow: hidden;
        box-shadow: 0 4px 16px rgba(247, 37, 133, 0.4);
    }

    .hero-promo-tag::after {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 30%;
        height: 200%;
        background: rgba(255, 255, 255, 0.2);
        transform: rotate(25deg);
        animation: shine-pulse 2.5s infinite;
    }

    @keyframes shine-pulse {
        0% { left: -50%; }
        60%, 100% { left: 150%; }
    }

    .hero-hot-tag {
        padding: 6px 14px;
        background: rgba(0, 229, 168, 0.1);
        color: var(--primary-1);
        font-weight: 600;
        font-size: 0.8rem;
        border-radius: 999px;
        border: 1px solid var(--border-primary-strong);
    }

    .hero-title {
        font-size: 3rem;
        font-weight: 700;
        line-height: 1.25;
        letter-spacing: 0.5px;
        color: var(--text-primary);
    }

    .hero-title .gradient-text {
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: var(--primary-1);
    }

    .hero-subtitle {
        font-size: 1.1rem;
        color: var(--text-secondary);
        line-height: 1.7;
        max-width: 520px;
    }

    .hero-cta-row {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
        margin-top: 4px;
    }

    .btn-primary-lg {
        padding: 14px 28px;
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        background: var(--primary-gradient);
        border-radius: var(--radius-btn);
        box-shadow: 0 4px 20px rgba(0, 229, 168, 0.35);
        transition: all var(--transition-fast);
        letter-spacing: 0.3px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-primary-lg:hover {
        box-shadow: var(--shadow-glow-primary);
        filter: brightness(1.1);
        color: #fff;
        transform: translateY(-1px);
    }

    .btn-primary-lg:active {
        transform: scale(0.98);
    }

    .btn-secondary-lg {
        padding: 14px 24px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-primary);
        background: transparent;
        border: 1px solid var(--border-primary-strong);
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .btn-secondary-lg:hover {
        background: rgba(0, 229, 168, 0.1);
        border-color: var(--primary-1);
        color: var(--primary-1);
    }

    .hero-metrics-row {
        display: flex;
        gap: 20px;
        flex-wrap: wrap;
        margin-top: 8px;
    }

    .hero-metric-chip {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: rgba(17, 26, 46, 0.7);
        border: 1px solid var(--border-primary);
        border-radius: 999px;
        font-size: 0.82rem;
        color: var(--text-secondary);
        white-space: nowrap;
    }

    .hero-metric-chip .num {
        font-family: var(--font-mono);
        font-weight: 700;
        color: var(--primary-1);
    }

    .hero-right {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-image-wrap {
        width: 100%;
        max-width: 520px;
        aspect-ratio: 4/3;
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 2px solid var(--border-primary-strong);
        box-shadow: var(--shadow-card), inset 0 0 40px rgba(0, 229, 168, 0.05);
        position: relative;
    }

    .hero-image-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .hero-image-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(0, 229, 168, 0.15) 0%, rgba(10, 15, 26, 0.4) 60%);
        pointer-events: none;
    }

    .hero-image-badge {
        position: absolute;
        bottom: 16px;
        left: 16px;
        padding: 10px 16px;
        background: rgba(10, 15, 26, 0.85);
        border: 1px solid var(--border-primary-strong);
        border-radius: var(--radius-sm);
        backdrop-filter: blur(8px);
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .hero-image-badge .label {
        font-size: 0.7rem;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .hero-image-badge .value {
        font-family: var(--font-mono);
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-1);
    }

    /* ===== Section Common ===== */
    .section {
        padding: var(--section-gap) 0;
    }

    .section-header {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 40px;
    }

    .section-tag {
        display: inline-block;
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--primary-1);
        letter-spacing: 1px;
        text-transform: uppercase;
        padding: 4px 12px;
        background: rgba(0, 229, 168, 0.08);
        border-radius: 999px;
        width: fit-content;
    }

    .section-title {
        font-size: 2rem;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text-primary);
        letter-spacing: 0.3px;
    }

    .section-desc {
        font-size: 1rem;
        color: var(--text-secondary);
        line-height: 1.7;
        max-width: 680px;
    }

    /* ===== Metrics Dashboard ===== */
    .metrics-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: var(--card-gap);
    }

    .metric-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 24px 20px;
        text-align: center;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
        cursor: default;
    }

    .metric-card:hover {
        border-color: var(--border-primary-strong);
        box-shadow: var(--shadow-hover-card);
        transform: translateY(-2px);
    }

    .metric-card .metric-value {
        font-family: var(--font-mono);
        font-size: 2.4rem;
        font-weight: 700;
        line-height: 1.2;
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: var(--primary-1);
    }

    .metric-card .metric-unit {
        font-size: 1rem;
        color: var(--text-secondary);
        font-weight: 500;
    }

    .metric-card .metric-label {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-top: 8px;
        font-weight: 500;
    }

    .metric-card .metric-sub {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-top: 4px;
    }

    /* ===== Live Preview ===== */
    .live-section {
        background: var(--bg-elevated);
        border-radius: var(--radius-lg);
        padding: 40px 32px;
        border: 1px solid var(--border-primary);
        position: relative;
        overflow: hidden;
    }

    .live-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--accent-gradient);
    }

    .live-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--card-gap);
        margin-top: 24px;
    }

    .live-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
    }

    .live-card:hover {
        border-color: var(--accent-1);
        box-shadow: 0 8px 32px rgba(247, 37, 133, 0.15);
        transform: translateY(-2px);
    }

    .live-card-cover {
        position: relative;
        aspect-ratio: 16/9;
        overflow: hidden;
    }

    .live-card-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .live-card-cover .live-status {
        position: absolute;
        top: 12px;
        left: 12px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        background: rgba(0, 0, 0, 0.7);
        border-radius: 999px;
        font-size: 0.75rem;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.5px;
    }

    .live-status-dot {
        width: 8px;
        height: 8px;
        background: #ff2d55;
        border-radius: 50%;
        animation: pulse-dot 1.2s infinite;
    }

    @keyframes pulse-dot {
        0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 45, 85, 0.5); }
        50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(255, 45, 85, 0); }
    }

    .live-card-body {
        padding: 16px 18px;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .live-card-title {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
    }

    .live-card-meta {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    .live-card-meta .viewers {
        font-family: var(--font-mono);
        color: var(--primary-1);
        font-weight: 600;
    }

    /* ===== Service Matrix ===== */
    .service-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: var(--card-gap);
    }

    .service-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
        cursor: default;
        display: flex;
        flex-direction: column;
        gap: 14px;
        grid-column: span 4;
    }

    .service-card:hover {
        border-color: var(--border-primary-strong);
        box-shadow: var(--shadow-hover-card);
        transform: translateY(-2px);
    }

    .service-card.span-6 {
        grid-column: span 6;
    }

    .service-card.span-8 {
        grid-column: span 8;
    }

    .service-card.span-4 {
        grid-column: span 4;
    }

    .service-card-icon {
        width: 48px;
        height: 48px;
        background: var(--primary-gradient);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: #fff;
        flex-shrink: 0;
    }

    .service-card-icon.accent {
        background: var(--accent-gradient);
    }

    .service-card-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-primary);
    }

    .service-card-desc {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.6;
    }

    .service-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: auto;
    }

    .service-card-badge {
        padding: 4px 12px;
        background: rgba(0, 229, 168, 0.08);
        border: 1px solid var(--border-primary);
        border-radius: 999px;
        font-size: 0.75rem;
        color: var(--primary-1);
        font-weight: 600;
    }

    .service-card-badge.accent {
        background: rgba(247, 37, 133, 0.08);
        border-color: var(--border-accent);
        color: var(--accent-1);
    }

    .service-card-link {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--primary-1);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .service-card-link:hover {
        color: var(--primary-2);
    }

    /* ===== Hot List ===== */
    .hot-list-section {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 40px 32px;
        border: 1px solid var(--border-primary);
    }

    .hot-list-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--item-gap);
        margin-top: 24px;
    }

    .hot-list-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 14px 18px;
        background: rgba(10, 15, 26, 0.6);
        border-radius: var(--radius-sm);
        border: 1px solid rgba(0, 229, 168, 0.08);
        transition: all var(--transition-fast);
        cursor: default;
    }

    .hot-list-item:hover {
        border-color: var(--border-primary-strong);
        background: rgba(0, 229, 168, 0.04);
    }

    .hot-list-num {
        font-family: var(--font-mono);
        font-weight: 700;
        font-size: 1.4rem;
        color: var(--primary-1);
        width: 40px;
        text-align: center;
        flex-shrink: 0;
    }

    .hot-list-num.top1 {
        color: #ffd700;
    }

    .hot-list-num.top2 {
        color: #c0c0c0;
    }

    .hot-list-num.top3 {
        color: #cd7f32;
    }

    .hot-list-content {
        flex: 1;
    }

    .hot-list-name {
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-primary);
    }

    .hot-list-desc {
        font-size: 0.78rem;
        color: var(--text-muted);
        margin-top: 2px;
    }

    .hot-list-badge {
        padding: 4px 12px;
        background: var(--accent-gradient);
        color: #fff;
        font-weight: 700;
        font-size: 0.75rem;
        border-radius: 999px;
        flex-shrink: 0;
        letter-spacing: 0.3px;
    }

    /* ===== Comparison ===== */
    .compare-section {
        background: linear-gradient(135deg, rgba(0, 229, 168, 0.03) 0%, rgba(0, 184, 217, 0.05) 50%, rgba(247, 37, 133, 0.03) 100%);
        border-radius: var(--radius-lg);
        padding: 48px 32px;
        border: 1px solid var(--border-primary);
    }

    .compare-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--card-gap);
        margin-top: 28px;
        align-items: stretch;
    }

    .compare-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 24px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        transition: all var(--transition-base);
    }

    .compare-card.traditional {
        border-color: rgba(100, 116, 139, 0.2);
    }

    .compare-card.humming {
        border-color: var(--border-primary-strong);
        background: linear-gradient(145deg, rgba(0, 229, 168, 0.08) 0%, var(--bg-card) 50%);
        box-shadow: 0 8px 32px rgba(0, 229, 168, 0.1);
        position: relative;
        overflow: hidden;
    }

    .compare-card.humming::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--primary-gradient);
    }

    .compare-card-title {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .compare-card-title .tag {
        padding: 2px 10px;
        font-size: 0.7rem;
        font-weight: 700;
        border-radius: 999px;
        background: rgba(100, 116, 139, 0.15);
        color: var(--text-muted);
        letter-spacing: 0.3px;
    }

    .compare-card.humming .compare-card-title .tag {
        background: rgba(0, 229, 168, 0.15);
        color: var(--primary-1);
    }

    .compare-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .compare-list li {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.6;
    }

    .compare-list li .icon {
        flex-shrink: 0;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        font-weight: 700;
        margin-top: 2px;
    }

    .compare-card.traditional .icon {
        background: rgba(100, 116, 139, 0.15);
        color: var(--text-muted);
    }

    .compare-card.humming .icon {
        background: rgba(0, 229, 168, 0.2);
        color: var(--primary-1);
    }

    /* ===== News Section ===== */
    .news-grid {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: var(--card-gap);
    }

    .news-featured {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
    }

    .news-featured:hover {
        border-color: var(--border-primary-strong);
        box-shadow: var(--shadow-hover-card);
    }

    .news-featured-cover {
        aspect-ratio: 21/9;
        overflow: hidden;
    }

    .news-featured-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .news-featured:hover .news-featured-cover img {
        transform: scale(1.03);
    }

    .news-featured-body {
        padding: 24px;
    }

    .news-featured-title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-primary);
        line-height: 1.4;
        margin-bottom: 8px;
    }

    .news-featured-desc {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .news-featured-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.78rem;
        color: var(--text-muted);
    }

    .news-list {
        display: flex;
        flex-direction: column;
        gap: var(--item-gap);
    }

    .news-list-item {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 16px 18px;
        border: 1px solid rgba(0, 229, 168, 0.06);
        transition: all var(--transition-fast);
        cursor: pointer;
    }

    .news-list-item:hover {
        border-color: var(--border-primary-strong);
        background: rgba(0, 229, 168, 0.04);
    }

    .news-list-title {
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
    }

    .news-list-desc {
        font-size: 0.78rem;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-top: 4px;
    }

    .news-list-meta {
        font-size: 0.7rem;
        color: var(--text-muted);
        margin-top: 6px;
    }

    /* ===== Reviews ===== */
    .reviews-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--card-gap);
    }

    .review-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 24px;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
    }

    .review-card:hover {
        border-color: var(--border-primary-strong);
        box-shadow: var(--shadow-hover-card);
        transform: translateY(-2px);
    }

    .review-header {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 12px;
    }

    .review-avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--primary-gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        color: #fff;
        flex-shrink: 0;
    }

    .review-avatar.a2 {
        background: var(--accent-gradient);
    }

    .review-name {
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--text-primary);
    }

    .review-role {
        font-size: 0.72rem;
        color: var(--text-muted);
    }

    .review-text {
        font-size: 0.85rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .review-stars {
        display: flex;
        gap: 2px;
        margin-bottom: 8px;
        color: #ffd700;
        font-size: 0.85rem;
    }

    /* ===== Partners ===== */
    .partners-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: var(--item-gap);
    }

    .partner-tag {
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        padding: 16px 14px;
        text-align: center;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-fast);
    }

    .partner-tag:hover {
        border-color: var(--border-primary-strong);
        background: rgba(0, 229, 168, 0.04);
    }

    .partner-tag-name {
        font-weight: 700;
        font-size: 0.9rem;
        color: var(--text-primary);
    }

    .partner-tag-desc {
        font-size: 0.7rem;
        color: var(--text-muted);
        margin-top: 4px;
    }

    /* ===== Pricing / Tickets ===== */
    .pricing-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--card-gap);
    }

    .pricing-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        border: 1px solid var(--border-primary);
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        gap: 16px;
        position: relative;
        overflow: hidden;
    }

    .pricing-card:hover {
        border-color: var(--border-primary-strong);
        box-shadow: var(--shadow-hover-card);
        transform: translateY(-2px);
    }

    .pricing-card.featured {
        border-color: var(--primary-1);
        box-shadow: 0 8px 32px rgba(0, 229, 168, 0.15);
    }

    .pricing-card.featured::before {
        content: '推荐';
        position: absolute;
        top: 14px;
        right: 14px;
        padding: 4px 12px;
        background: var(--primary-gradient);
        color: #fff;
        font-weight: 700;
        font-size: 0.72rem;
        border-radius: 999px;
        letter-spacing: 0.5px;
    }

    .pricing-name {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-primary);
    }

    .pricing-price {
        font-family: var(--font-mono);
        font-size: 2rem;
        font-weight: 700;
        color: var(--text-primary);
    }

    .pricing-price .unit {
        font-size: 0.9rem;
        color: var(--text-secondary);
        font-weight: 500;
    }

    .pricing-features {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .pricing-features li {
        font-size: 0.85rem;
        color: var(--text-secondary);
        padding-left: 20px;
        position: relative;
    }

    .pricing-features li::before {
        content: '✓';
        position: absolute;
        left: 0;
        color: var(--primary-1);
        font-weight: 700;
    }

    .pricing-btn {
        padding: 12px 16px;
        text-align: center;
        font-weight: 700;
        font-size: 0.88rem;
        border-radius: var(--radius-btn);
        transition: all var(--transition-fast);
        margin-top: auto;
    }

    .pricing-btn.outline {
        border: 1px solid var(--border-primary-strong);
        color: var(--primary-1);
        background: transparent;
    }

    .pricing-btn.outline:hover {
        background: rgba(0, 229, 168, 0.08);
    }

    .pricing-btn.solid {
        background: var(--primary-gradient);
        color: #fff;
        box-shadow: 0 4px 16px rgba(0, 229, 168, 0.3);
    }

    .pricing-btn.solid:hover {
        box-shadow: var(--shadow-glow-primary);
        filter: brightness(1.1);
    }

    /* ===== Brand Story ===== */
    .brand-story {
        background: linear-gradient(145deg, rgba(0, 229, 168, 0.05) 0%, rgba(0, 184, 217, 0.03) 40%, rgba(247, 37, 133, 0.05) 100%);
        border-radius: var(--radius-lg);
        padding: 48px 32px;
        border: 1px solid var(--border-primary);
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .brand-story-text h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }

    .brand-story-text p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 12px;
    }

    .brand-story-image {
        border-radius: var(--radius-md);
        overflow: hidden;
        aspect-ratio: 4/3;
        border: 1px solid var(--border-primary-strong);
    }

    .brand-story-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* ===== FAQ ===== */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 800px;
    }

    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-primary);
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }

    .faq-item.active {
        border-color: var(--primary-1);
    }

    .faq-question {
        padding: 18px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-primary);
        gap: 12px;
        transition: background var(--transition-fast);
        user-select: none;
    }

    .faq-question:hover {
        background: rgba(0, 229, 168, 0.04);
    }

    .faq-icon {
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary-1);
        font-size: 1.2rem;
        flex-shrink: 0;
        transition: transform var(--transition-fast);
    }

    .faq-item.active .faq-icon {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow), padding var(--transition-slow);
        padding: 0 20px;
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .faq-item.active .faq-answer {
        max-height: 400px;
        padding: 0 20px 18px;
    }

    /* ===== CTA Form ===== */
    .cta-section {
        background: linear-gradient(145deg, rgba(0, 229, 168, 0.08) 0%, rgba(0, 184, 217, 0.05) 40%, rgba(247, 37, 133, 0.06) 100%);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        border: 1px solid var(--border-primary);
    }

    .cta-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .cta-info h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
    }

    .cta-info p {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .cta-form {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .form-group.full {
        grid-column: span 2;
    }

    .form-group label {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--text-secondary);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        background: rgba(17, 26, 46, 0.7);
        border: 1px solid rgba(100, 116, 139, 0.2);
        border-radius: 8px;
        padding: 12px 14px;
        font-size: 0.88rem;
        color: var(--text-primary);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        width: 100%;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: var(--primary-1);
        box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
    }

    .form-group textarea {
        min-height: 80px;
        resize: vertical;
    }

    .form-group select {
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 14px center;
        cursor: pointer;
    }

    .cta-submit-btn {
        grid-column: span 2;
        padding: 14px 24px;
        background: var(--primary-gradient);
        color: #fff;
        font-weight: 700;
        font-size: 1rem;
        border-radius: var(--radius-btn);
        box-shadow: 0 4px 16px rgba(0, 229, 168, 0.3);
        transition: all var(--transition-fast);
        letter-spacing: 0.3px;
        cursor: pointer;
    }

    .cta-submit-btn:hover {
        box-shadow: var(--shadow-glow-primary);
        filter: brightness(1.1);
    }

    .cta-submit-btn:active {
        transform: scale(0.98);
    }

    .cta-privacy {
        grid-column: span 2;
        font-size: 0.72rem;
        color: var(--text-muted);
        text-align: center;
        margin-top: 4px;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-elevated);
        border-top: 1px solid rgba(0, 229, 168, 0.12);
        padding: 48px 0 24px;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 32px;
    }

    .footer-brand h4 {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-brand h4 span {
        background: var(--primary-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: var(--primary-1);
    }

    .footer-brand p {
        font-size: 0.82rem;
        color: var(--text-muted);
        line-height: 1.7;
        max-width: 300px;
    }

    .footer-col h5 {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
        letter-spacing: 0.3px;
    }

    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .footer-col ul a {
        font-size: 0.82rem;
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }

    .footer-col ul a:hover {
        color: var(--primary-1);
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        font-size: 0.72rem;
        color: var(--text-muted);
    }

    .footer-bottom-links {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-bottom-links a {
        font-size: 0.72rem;
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }

    .footer-bottom-links a:hover {
        color: var(--primary-1);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root {
            --section-gap: 64px;
        }
        .hero-wrapper {
            grid-template-columns: 1fr;
            gap: 36px;
            text-align: left;
        }
        .hero-title {
            font-size: 2.4rem;
        }
        .hero-right {
            max-width: 600px;
            margin: 0 auto;
        }
        .metrics-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .service-card,
        .service-card.span-6,
        .service-card.span-8,
        .service-card.span-4 {
            grid-column: span 6;
        }
        .live-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .news-grid {
            grid-template-columns: 1fr;
        }
        .reviews-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .partners-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .brand-story {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .cta-wrapper {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .nav-menu {
            display: none;
        }
        .nav-hamburger {
            display: flex;
        }
        .nav-search {
            width: 140px;
        }
        .compare-grid {
            grid-template-columns: 1fr;
        }
        .pricing-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .hot-list-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 768px) {
        :root {
            --section-gap: 48px;
            --container-pad: 16px;
        }
        .hero-title {
            font-size: 1.9rem;
        }
        .hero-subtitle {
            font-size: 1rem;
        }
        .metrics-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .metric-card .metric-value {
            font-size: 1.6rem;
        }
        .live-grid {
            grid-template-columns: 1fr;
        }
        .reviews-grid {
            grid-template-columns: 1fr;
        }
        .partners-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .pricing-grid {
            grid-template-columns: 1fr;
        }
        .cta-form {
            grid-template-columns: 1fr;
        }
        .form-group.full {
            grid-column: span 1;
        }
        .cta-submit-btn {
            grid-column: span 1;
        }
        .cta-privacy {
            grid-column: span 1;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .service-card,
        .service-card.span-6,
        .service-card.span-8,
        .service-card.span-4 {
            grid-column: span 12;
        }
        .nav-search {
            display: none;
        }
        .nav-login-btn {
            display: none;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .live-section,
        .hot-list-section,
        .compare-section,
        .cta-section,
        .brand-story {
            padding: 28px 20px;
        }
        .hot-list-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .hero-wrapper {
            padding: 40px 0;
        }
    }

    @media (max-width: 520px) {
        .hero-title {
            font-size: 1.5rem;
        }
        .metrics-grid {
            grid-template-columns: 1fr;
        }
        .partners-grid {
            grid-template-columns: 1fr;
        }
        .hero-cta-row {
            flex-direction: column;
            align-items: flex-start;
        }
        .btn-primary-lg,
        .btn-secondary-lg {
            width: 100%;
            justify-content: center;
        }
        .hero-image-badge {
            bottom: 8px;
            left: 8px;
            padding: 8px 12px;
        }
        .hero-image-badge .value {
            font-size: 1rem;
        }
    }

/* roulang page: category1 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }
        :root {
            --section-gap: 48px;
            --container-pad: 16px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-2);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .nav-logo:hover {
            color: var(--text-primary);
        }
        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }
        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0%;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width var(--transition-base);
        }
        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.06);
        }
        .nav-menu a:hover::after {
            width: 60%;
        }
        .nav-menu a.active {
            color: var(--primary-1);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            width: 60%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(10, 15, 26, 0.8);
            border: 1px solid var(--border-primary);
            border-radius: 8px;
            padding: 6px 12px;
            width: 220px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }
        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .nav-search input {
            background: transparent;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            border: none;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-login-btn,
        .nav-cta-btn {
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-login-btn {
            background: transparent;
            border: 1px solid var(--border-primary);
            color: var(--text-secondary);
        }
        .nav-login-btn:hover {
            border-color: var(--primary-1);
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }
        .nav-cta-btn {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            box-shadow: 0 2px 12px rgba(0, 229, 168, 0.25);
        }
        .nav-cta-btn:hover {
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            filter: brightness(1.1);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 32px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border-primary);
            border-radius: 8px;
        }
        .nav-hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        /* Page banner */
        .page-banner {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: 24px;
            background: var(--bg-base);
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            right: -20%;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 168, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .page-banner-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .page-banner-left h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .page-banner-left h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }
        .page-banner-left p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 560px;
        }
        .page-banner-badge {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .banner-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            text-align: center;
            min-width: 100px;
        }
        .banner-stat .num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-1);
            letter-spacing: 1px;
        }
        .banner-stat .label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* Filter bar */
        .filter-section {
            padding: 16px 0;
            border-top: 1px solid var(--border-primary);
            border-bottom: 1px solid var(--border-primary);
            background: rgba(10, 15, 26, 0.6);
        }
        .filter-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            margin-right: 4px;
        }
        .filter-btn {
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: 20px;
            border: 1px solid var(--border-primary);
            color: var(--text-secondary);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--primary-1);
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.06);
        }
        .filter-btn.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
        }
        .filter-btn .badge-count {
            display: inline-block;
            margin-left: 6px;
            font-size: 0.75rem;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 1px 6px;
            font-family: var(--font-mono);
        }

        /* Info feed list */
        .info-feed-section {
            padding: 32px 0 64px;
            background: var(--bg-base);
        }
        .info-feed-section .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .info-feed-section .section-head h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .info-feed-section .section-head .update-info {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .info-feed-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .info-card {
            display: flex;
            gap: 18px;
            padding: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            cursor: pointer;
        }
        .info-card:hover {
            border-color: var(--border-primary-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover-card);
        }
        .info-card-img {
            width: 200px;
            min-width: 200px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-elevated);
            flex-shrink: 0;
        }
        .info-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .info-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 8px;
        }
        .info-card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .info-card-title a {
            color: inherit;
        }
        .info-card-title a:hover {
            color: var(--primary-1);
        }
        .info-card-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .info-card-meta .meta-badge {
            padding: 3px 10px;
            font-size: 0.78rem;
            border-radius: 12px;
            font-weight: 500;
            font-family: var(--font-mono);
            letter-spacing: 0.3px;
        }
        .meta-badge.primary-badge {
            background: rgba(0, 229, 168, 0.12);
            color: var(--primary-1);
            border: 1px solid var(--border-primary-strong);
        }
        .meta-badge.accent-badge {
            background: rgba(247, 37, 133, 0.12);
            color: var(--accent-1);
            border: 1px solid var(--border-accent);
        }
        .meta-badge.neutral-badge {
            background: rgba(160, 174, 192, 0.1);
            color: var(--text-secondary);
            border: 1px solid rgba(160, 174, 192, 0.2);
        }
        .info-card-time {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .info-card-time svg {
            width: 14px;
            height: 14px;
        }
        .load-more-btn {
            display: block;
            margin: 28px auto 0;
            padding: 10px 28px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-primary-strong);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }
        .load-more-btn:hover {
            background: rgba(0, 229, 168, 0.08);
            border-color: var(--primary-1);
            color: var(--primary-1);
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0 56px;
            background: var(--bg-elevated);
            border-top: 1px solid var(--border-primary);
            border-bottom: 1px solid var(--border-primary);
        }
        .faq-section .section-head h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 900px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item.active {
            border-color: var(--primary-1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-arrow {
            font-size: 1.3rem;
            color: var(--primary-1);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.8;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0 64px;
            background: var(--bg-base);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 60%;
            height: 140%;
            background: radial-gradient(ellipse at center, rgba(0, 229, 168, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-wrapper {
            position: relative;
            z-index: 1;
            background: var(--bg-card);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-lg);
            padding: 40px;
            background-image: radial-gradient(ellipse at right top, rgba(0, 184, 217, 0.05), transparent 60%);
        }
        .cta-wrapper h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .cta-tip {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .cta-form .form-group.full-width {
            grid-column: 1 / -1;
        }
        .cta-form label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: rgba(10, 15, 26, 0.8);
            border: none;
            border-bottom: 1px solid rgba(160, 174, 192, 0.3);
            color: var(--text-primary);
            padding: 10px 12px;
            font-size: 0.9rem;
            border-radius: 6px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-bottom-color: var(--primary-1);
            box-shadow: 0 3px 0 rgba(0, 229, 168, 0.1);
        }
        .cta-form textarea {
            min-height: 80px;
            resize: vertical;
        }
        .cta-form select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A0AEC0' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .cta-form select option {
            background: var(--bg-card);
            color: var(--text-primary);
        }
        .cta-submit-btn {
            grid-column: 1 / -1;
            padding: 14px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(0, 229, 168, 0.2);
        }
        .cta-submit-btn:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-glow-primary);
        }
        .cta-submit-btn:active {
            transform: scale(0.98);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(0, 229, 168, 0.12);
            padding: 48px 0 20px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-1);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 16px;
            border-top: 1px solid rgba(160, 174, 192, 0.1);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
        }
        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        /* Mobile menu */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 15, 26, 0.98);
                border-bottom: 1px solid var(--border-primary);
                padding: 16px 24px;
                gap: 6px;
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
                text-align: left;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                width: 160px;
            }
            .page-banner-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .form-group.full-width {
                grid-column: auto;
            }
            .cta-submit-btn {
                grid-column: auto;
            }
        }
        @media (max-width: 640px) {
            .page-banner-left h1 {
                font-size: 1.6rem;
            }
            .nav-search {
                display: none;
            }
            .nav-login-btn {
                display: none;
            }
            .info-card {
                flex-direction: column;
            }
            .info-card-img {
                width: 100%;
                min-width: auto;
                height: 180px;
            }
            .info-card-time {
                margin-left: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-wrapper {
                padding: 24px;
            }
            .filter-row {
                gap: 6px;
            }
            .banner-stat {
                min-width: 80px;
                padding: 8px 12px;
            }
            .banner-stat .num {
                font-size: 1.2rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --bg-subtle: #0C1424;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --border-subtle: rgba(255, 255, 255, 0.06);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --shadow-accent: 0 4px 20px rgba(247, 37, 133, 0.25);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 12px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: calc(var(--nav-height) + 16px);
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: var(--nav-height);
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--text-primary);
        }

        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }

        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            display: block;
            padding: 6px 12px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.08);
        }

        .nav-menu a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-menu a.active {
            color: var(--primary-1);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 6px 12px;
            min-width: 180px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-search input {
            width: 100%;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.82rem;
            padding: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--border-primary-strong);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.08);
        }

        .nav-login-btn {
            padding: 6px 14px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-login-btn:hover {
            color: var(--text-primary);
            border-color: var(--border-primary-strong);
            background: rgba(0, 229, 168, 0.06);
        }

        .nav-cta-btn {
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(0, 229, 168, 0.25);
        }

        .nav-cta-btn:hover {
            color: #fff;
            filter: brightness(1.1);
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .ranking-hero {
            position: relative;
            padding: 72px 0 48px;
            background:
                radial-gradient(ellipse at 15% 40%, rgba(0, 229, 168, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 70%, rgba(247, 37, 133, 0.07) 0%, transparent 50%),
                var(--bg-base);
            overflow: hidden;
        }

        .ranking-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 184, 217, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ranking-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(247, 37, 133, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .ranking-hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .ranking-hero-text h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .ranking-hero-text h1 .highlight {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .ranking-hero-text .hero-subtitle {
            font-size: 1.02rem;
            color: var(--text-secondary);
            max-width: 520px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .hero-badge-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 13px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 500;
            background: rgba(0, 229, 168, 0.08);
            border: 1px solid var(--border-primary);
            color: var(--primary-1);
        }

        .hero-badge.accent {
            background: rgba(247, 37, 133, 0.08);
            border-color: var(--border-accent);
            color: var(--accent-1);
        }

        .hero-badge .badge-num {
            font-family: var(--font-mono);
            font-weight: 700;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            box-shadow: 0 2px 16px rgba(0, 229, 168, 0.25);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            color: #fff;
            filter: brightness(1.1);
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-primary-strong);
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 168, 0.08);
            border-color: var(--primary-1);
            color: var(--primary-1);
        }

        .ranking-hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ranking-hero-image {
            width: 100%;
            max-width: 420px;
            aspect-ratio: 4/5;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-primary-strong);
            box-shadow: var(--shadow-card), 0 0 40px rgba(0, 229, 168, 0.08);
            position: relative;
            background: var(--bg-card);
        }

        .ranking-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .ranking-hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 26, 0.75) 100%);
            pointer-events: none;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            z-index: 3;
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .hero-image-overlay span {
            font-size: 0.78rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(10, 15, 26, 0.8);
            border: 1px solid rgba(0, 229, 168, 0.25);
            color: var(--primary-1);
            font-weight: 500;
        }

        /* ===== Ranking Tabs ===== */
        .ranking-tabs-section {
            padding: 32px 0 16px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .ranking-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .ranking-tab {
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .ranking-tab:hover {
            color: var(--text-primary);
            border-color: var(--border-primary-strong);
            background: rgba(0, 229, 168, 0.05);
        }

        .ranking-tab.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            font-weight: 600;
            box-shadow: 0 2px 14px rgba(0, 229, 168, 0.25);
        }

        .ranking-tab .tab-count {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            opacity: 0.8;
            margin-left: 6px;
        }

        .ranking-update-info {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .ranking-update-info .update-dot {
            width: 7px;
            height: 7px;
            background: var(--primary-1);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 229, 168, 0.4); }
            50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0, 229, 168, 0); }
        }

        /* ===== Ranking List ===== */
        .ranking-list-section {
            padding: 32px 0 48px;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .ranking-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .ranking-item:hover {
            border-color: var(--border-primary-strong);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover-card);
        }

        .ranking-item:hover::before {
            opacity: 1;
        }

        .ranking-item.top1 {
            border-color: rgba(255, 215, 0, 0.35);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.06) 0%, var(--bg-card) 60%);
        }

        .ranking-item.top2 {
            border-color: rgba(192, 192, 192, 0.3);
            background: linear-gradient(135deg, rgba(192, 192, 192, 0.05) 0%, var(--bg-card) 60%);
        }

        .ranking-item.top3 {
            border-color: rgba(205, 127, 50, 0.35);
            background: linear-gradient(135deg, rgba(205, 127, 50, 0.06) 0%, var(--bg-card) 60%);
        }

        .rank-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            transition: all var(--transition-base);
        }

        .ranking-item.top1 .rank-number {
            background: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.4);
            color: #FFD700;
        }

        .ranking-item.top2 .rank-number {
            background: rgba(192, 192, 192, 0.1);
            border-color: rgba(192, 192, 192, 0.35);
            color: #C0C0C0;
        }

        .ranking-item.top3 .rank-number {
            background: rgba(205, 127, 50, 0.12);
            border-color: rgba(205, 127, 50, 0.4);
            color: #CD7F32;
        }

        .rank-change {
            font-size: 0.72rem;
            font-family: var(--font-mono);
            margin-left: 2px;
        }

        .rank-change.up {
            color: var(--primary-1);
        }

        .rank-change.down {
            color: var(--accent-1);
        }

        .rank-change.same {
            color: var(--text-muted);
        }

        .team-info {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 0;
        }

        .team-emblem {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .team-emblem.emblem-1 { background: linear-gradient(135deg, #FFD700, #FF6B35); }
        .team-emblem.emblem-2 { background: linear-gradient(135deg, #00E5A8, #00B8D9); }
        .team-emblem.emblem-3 { background: linear-gradient(135deg, #F72585, #B5179E); }
        .team-emblem.emblem-4 { background: linear-gradient(135deg, #7C3AED, #3B82F6); }
        .team-emblem.emblem-5 { background: linear-gradient(135deg, #F59E0B, #EF4444); }
        .team-emblem.emblem-6 { background: linear-gradient(135deg, #06B6D4, #3B82F6); }
        .team-emblem.emblem-7 { background: linear-gradient(135deg, #10B981, #84CC16); }
        .team-emblem.emblem-8 { background: linear-gradient(135deg, #8B5CF6, #EC4899); }
        .team-emblem.emblem-9 { background: linear-gradient(135deg, #F97316, #EF4444); }
        .team-emblem.emblem-10 { background: linear-gradient(135deg, #22D3EE, #6366F1); }
        .team-emblem.emblem-11 { background: linear-gradient(135deg, #34D399, #0EA5E9); }
        .team-emblem.emblem-12 { background: linear-gradient(135deg, #E879F9, #F43F5E); }

        .team-name-block {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .team-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .team-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .team-tag {
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            background: rgba(0, 229, 168, 0.08);
            color: var(--primary-1);
            border: 1px solid rgba(0, 229, 168, 0.15);
            white-space: nowrap;
        }

        .team-tag.accent {
            background: rgba(247, 37, 133, 0.08);
            color: var(--accent-1);
            border-color: rgba(247, 37, 133, 0.18);
        }

        .team-metrics {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .metric-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1px;
            min-width: 56px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .metric-value.primary {
            color: var(--primary-1);
        }

        .metric-value.accent {
            color: var(--accent-1);
        }

        .metric-label {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        .metric-divider {
            width: 1px;
            height: 32px;
            background: var(--border-subtle);
        }

        /* ===== Featured Teams ===== */
        .featured-teams {
            padding: 48px 0;
            background: var(--bg-subtle);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-3px);
        }

        .featured-card-image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .featured-card:hover .featured-card-image img {
            transform: scale(1.04);
        }

        .featured-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 15, 26, 0.85) 100%);
        }

        .featured-card-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 3;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(10, 15, 26, 0.85);
            border: 1px solid rgba(0, 229, 168, 0.3);
            color: var(--primary-1);
            font-size: 0.78rem;
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .featured-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .featured-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .featured-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .featured-card-metrics {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .featured-metric {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            background: var(--bg-elevated);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-subtle);
        }

        .featured-metric strong {
            font-family: var(--font-mono);
            color: var(--primary-1);
            font-weight: 700;
        }

        /* ===== Method ===== */
        .method-section {
            padding: 48px 0;
        }

        .method-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }

        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-base);
        }

        .method-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
        }

        .method-card-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 12px;
        }

        .method-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .method-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 48px 0;
            background: var(--bg-subtle);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--border-primary-strong);
        }

        .faq-item.open {
            border-color: var(--primary-1);
            box-shadow: var(--shadow-hover-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary-1);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-1);
            font-size: 1.2rem;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            padding: 64px 0 72px;
            position: relative;
            background:
                radial-gradient(ellipse at 30% 50%, rgba(0, 229, 168, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 60%, rgba(247, 37, 133, 0.05) 0%, transparent 55%),
                var(--bg-base);
            overflow: hidden;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card), 0 0 60px rgba(0, 229, 168, 0.05);
            position: relative;
            z-index: 2;
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .cta-card .cta-hint {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            padding: 12px 16px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-subtle);
            border-bottom: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-bottom-color: var(--primary-1);
            box-shadow: 0 3px 12px rgba(0, 229, 168, 0.1);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 16px;
            cursor: pointer;
        }

        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }

        .btn-submit {
            grid-column: 1 / -1;
            height: 48px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 16px rgba(0, 229, 168, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-submit:hover {
            filter: brightness(1.1);
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .btn-submit:active {
            transform: scale(0.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-base);
            border-top: 1px solid rgba(0, 229, 168, 0.12);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h5 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--primary-1);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.97);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border-primary);
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                z-index: 999;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu a {
                width: 100%;
                padding: 10px 14px;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-search {
                min-width: 0;
                width: 36px;
                padding: 6px;
                justify-content: center;
            }

            .nav-search input {
                display: none;
            }

            .nav-search:hover input,
            .nav-search:focus-within input {
                display: block;
                width: 120px;
            }

            .ranking-hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .ranking-hero-text h1 {
                font-size: 1.9rem;
            }

            .ranking-hero-image {
                max-width: 100%;
                aspect-ratio: 16/9;
            }

            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .method-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --container-pad: 16px;
            }

            .ranking-hero {
                padding: 48px 0 32px;
            }

            .ranking-hero-text h1 {
                font-size: 1.6rem;
            }

            .ranking-hero-text .hero-subtitle {
                font-size: 0.92rem;
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }

            .rank-number {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
                border-radius: 8px;
            }

            .team-info {
                flex: 1 1 60%;
            }

            .team-emblem {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }

            .team-name {
                font-size: 0.95rem;
            }

            .team-metrics {
                flex: 1 1 100%;
                justify-content: flex-start;
                gap: 12px;
                padding-top: 4px;
            }

            .metric-divider {
                display: none;
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .method-grid {
                grid-template-columns: 1fr;
            }

            .cta-form {
                grid-template-columns: 1fr;
            }

            .form-group.full-width {
                grid-column: 1;
            }

            .btn-submit {
                grid-column: 1;
            }

            .cta-card {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .ranking-hero-text h1 {
                font-size: 1.35rem;
            }

            .hero-badge-row {
                gap: 6px;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }

            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
                height: 42px;
            }

            .ranking-tabs {
                gap: 4px;
            }

            .ranking-tab {
                padding: 7px 13px;
                font-size: 0.78rem;
            }

            .ranking-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .team-info {
                width: 100%;
            }

            .team-metrics {
                width: 100%;
                flex-wrap: wrap;
            }

            .ranking-update-info {
                font-size: 0.75rem;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== Accessibility ===== */
        :focus-visible {
            outline: 2px solid var(--primary-1);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--text-primary);
        }

        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }

        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .nav-menu a:hover {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after {
            width: 70%;
        }

        .nav-menu a.active {
            color: var(--primary-1);
        }

        .nav-menu a.active::after {
            width: 70%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(17, 26, 46, 0.7);
            border: 1px solid var(--border-primary);
            border-radius: 8px;
            padding: 7px 14px;
            min-width: 210px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 16px rgba(0, 229, 168, 0.15);
        }

        .nav-login-btn {
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 999px;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .nav-login-btn:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-cta-btn {
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta-btn:hover {
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 8px;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-base);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: calc(var(--nav-height) + 60px) 0 50px;
            background: radial-gradient(ellipse at 20% 20%, rgba(0, 229, 168, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(247, 37, 133, 0.07) 0%, transparent 50%),
                var(--bg-base);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .page-hero-grid {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .page-hero-content h1 {
            font-size: clamp(1.9rem, 4vw, 2.9rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .page-hero-content h1 .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 22px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 22px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(0, 229, 168, 0.1);
            border-color: var(--primary-1);
            color: var(--primary-1);
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(17, 26, 46, 0.8);
            border: 1px solid var(--border-accent);
            border-radius: 999px;
            font-size: 0.82rem;
            color: var(--accent-1);
            font-weight: 500;
        }

        .hero-badge .num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary-1);
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 280px;
        }

        .countdown-ring-wrap {
            position: relative;
            width: 220px;
            height: 220px;
            flex-shrink: 0;
        }

        .countdown-ring {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring circle {
            fill: none;
            stroke-width: 8;
            transition: stroke-dashoffset 1s ease;
        }

        .countdown-ring .track {
            stroke: rgba(17, 26, 46, 0.6);
        }

        .countdown-ring .progress {
            stroke: url(#ringGradient);
            stroke-linecap: round;
            stroke-dasharray: 565.49;
            stroke-dashoffset: 70;
            filter: drop-shadow(0 0 8px rgba(0, 229, 168, 0.4));
        }

        .countdown-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .countdown-center .days {
            font-family: var(--font-mono);
            font-size: 2.8rem;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            line-height: 1.1;
        }

        .countdown-center .label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            letter-spacing: 1px;
        }

        .hero-visual-caption {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.82rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .carousel-dots {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 28px;
            position: relative;
            z-index: 2;
        }

        .carousel-dots .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
            opacity: 0.4;
            transition: opacity var(--transition-fast), background var(--transition-fast);
            cursor: pointer;
        }

        .carousel-dots .dot.active {
            opacity: 1;
            background: var(--primary-1);
        }

        /* Search filter */
        .search-filter-section {
            position: relative;
            padding: 28px 0 16px;
            z-index: 2;
        }

        .search-filter-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .search-filter-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
        }

        .search-filter-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 16px;
        }

        .search-input-wrap {
            flex: 1;
            min-width: 260px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-elevated);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-btn);
            padding: 10px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-input-wrap svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .search-input-wrap input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            width: 100%;
            min-width: 0;
        }

        .search-input-wrap input::placeholder {
            color: var(--text-muted);
        }

        .search-input-wrap:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 16px rgba(0, 229, 168, 0.12);
        }

        .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 6px 16px;
            background: rgba(17, 26, 46, 0.7);
            border: 1px solid var(--border-primary);
            border-radius: 999px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary-1);
            color: var(--primary-1);
        }

        .filter-tag.active {
            background: rgba(0, 229, 168, 0.12);
            border-color: var(--primary-1);
            color: var(--primary-1);
            font-weight: 600;
        }

        /* Player grid */
        .player-grid-section {
            padding: 36px 0 60px;
        }

        .section-head-row {
            display: flex;
            align-items: end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 14px;
        }

        .section-head-row h2 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }

        .section-head-row .result-count {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .player-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .player-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
        }

        .player-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary-1);
            box-shadow: var(--shadow-hover-card);
        }

        .player-card-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
            background: var(--bg-elevated);
        }

        .player-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .player-card:hover .player-card-cover img {
            transform: scale(1.04);
        }

        .player-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 26, 0.1) 30%, rgba(10, 15, 26, 0.85) 100%);
        }

        .player-position-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            background: rgba(10, 15, 26, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-primary-strong);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-1);
            z-index: 2;
        }

        .player-status-dot {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary-1);
            box-shadow: 0 0 8px rgba(0, 229, 168, 0.5);
            z-index: 2;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        .player-card-body {
            padding: 18px 20px 20px;
        }

        .player-card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
        }

        .player-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .player-team {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .player-metrics {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .player-metric {
            padding: 4px 12px;
            background: rgba(0, 229, 168, 0.08);
            border: 1px solid var(--border-primary);
            border-radius: 999px;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        .player-metric .metric-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary-1);
        }

        .player-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .player-card-btn {
            padding: 6px 16px;
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary-1);
            transition: all var(--transition-fast);
        }

        .player-card-btn:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(0, 229, 168, 0.3);
        }

        .player-card-btn.active {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
        }

        /* Insight section */
        .insight-section {
            padding: 50px 0 56px;
            background: radial-gradient(ellipse at 75% 50%, rgba(0, 184, 217, 0.06) 0%, transparent 60%), var(--bg-elevated);
            border-top: 1px solid var(--border-primary);
            border-bottom: 1px solid var(--border-primary);
        }

        .insight-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }

        .insight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }

        .insight-card:hover {
            border-color: var(--primary-1);
            transform: translateY(-2px);
        }

        .insight-card .insight-num {
            font-family: var(--font-mono);
            font-size: 1.7rem;
            font-weight: 700;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--accent-1);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .insight-card .insight-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0 60px;
        }

        .faq-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item.open {
            border-color: var(--primary-1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            user-select: none;
            text-align: left;
            width: 100%;
        }

        .faq-question:hover {
            color: var(--primary-1);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-1);
            transition: transform var(--transition-base);
            font-weight: 700;
            font-size: 1.2rem;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0 70px;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 168, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 50%, rgba(247, 37, 133, 0.08) 0%, transparent 50%),
                var(--bg-base);
        }

        .cta-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-lg);
            padding: 40px 42px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .cta-hint {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 26px;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            background: rgba(17, 26, 46, 0.6);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--primary-1);
            box-shadow: 0 3px 12px rgba(0, 229, 168, 0.1);
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            background-size: 16px;
            padding-right: 40px;
        }

        .form-group select option {
            background: var(--bg-card);
            color: var(--text-primary);
        }

        .cta-submit-btn {
            grid-column: 1 / -1;
            padding: 14px 28px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            width: 100%;
            text-align: center;
        }

        .cta-submit-btn:hover {
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
            color: #fff;
        }

        .cta-submit-btn:active {
            transform: scale(0.98);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(0, 229, 168, 0.12);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-1);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
        }

        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        .footer-bottom-links span {
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.98);
                border-bottom: 1px solid var(--border-primary);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                z-index: 999;
            }

            .nav-menu.show {
                display: flex;
            }

            .nav-menu a {
                width: 100%;
                text-align: left;
                padding: 10px 14px;
                font-size: 0.95rem;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .nav-login-btn {
                display: none;
            }

            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-visual {
                min-height: auto;
                justify-content: center;
            }

            .player-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .insight-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .page-hero {
                padding: calc(var(--nav-height) + 36px) 0 30px;
            }

            .page-hero-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .countdown-ring-wrap {
                width: 160px;
                height: 160px;
            }

            .countdown-center .days {
                font-size: 2rem;
            }

            .search-filter-card {
                padding: 16px;
            }

            .search-filter-row {
                flex-direction: column;
                align-items: stretch;
            }

            .search-input-wrap {
                min-width: auto;
            }

            .player-grid {
                grid-template-columns: 1fr;
            }

            .player-card-cover {
                height: 200px;
            }

            .insight-grid {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 24px 18px;
            }

            .cta-form {
                grid-template-columns: 1fr;
            }

            .cta-form .form-group.full-width {
                grid-column: auto;
            }

            .cta-submit-btn {
                grid-column: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .footer-bottom-links {
                flex-wrap: wrap;
                gap: 8px;
            }
        }

        @media (max-width: 420px) {
            .hero-badges {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-tags {
                gap: 6px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 0.78rem;
            }

            .player-metrics {
                gap: 6px;
            }

            .player-metric {
                padding: 3px 10px;
                font-size: 0.72rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* 隐藏H1 */
        .sr-only-h1 {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--text-primary);
        }

        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }

        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            display: block;
            padding: 8px 13px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-menu a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.06);
        }

        .nav-menu a:hover::after {
            width: 60%;
        }

        .nav-menu a.active {
            color: var(--primary-1);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            width: 60%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(17, 26, 46, 0.8);
            border: 1px solid var(--border-primary);
            border-radius: 8px;
            padding: 0 12px;
            height: 36px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-search input {
            flex: 1;
            min-width: 0;
            font-size: 0.8rem;
            color: var(--text-primary);
            background: transparent;
            border: none;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }

        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border-primary);
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.06);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 229, 168, 0.25);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 229, 168, 0.4);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            background: rgba(17, 26, 46, 0.8);
            border: 1px solid var(--border-primary);
            border-radius: 8px;
            transition: border-color var(--transition-fast);
        }

        .nav-hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-hamburger:hover {
            border-color: var(--primary-1);
        }

        /* 移动端抽屉菜单 */
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
        }

        .nav-mobile-overlay.active {
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-elevated);
            border-top: 1px solid rgba(0, 229, 168, 0.12);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-1);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(0, 229, 168, 0.08);
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
        }

        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        /* ===== 分类页4特有样式 ===== */
        .tactics-page {
            padding-top: 0;
        }

        .tactics-hero {
            position: relative;
            padding: calc(var(--nav-height) + 48px) 0 60px;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .tactics-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            z-index: 0;
        }

        .tactics-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 26, 0.6) 0%, rgba(10, 15, 26, 0.85) 60%, var(--bg-base) 100%);
            z-index: 1;
        }

        .tactics-hero .container {
            position: relative;
            z-index: 2;
        }

        .tactics-hero-content {
            max-width: 620px;
        }

        .tactics-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .tactics-hero-breadcrumb a {
            color: var(--text-muted);
        }

        .tactics-hero-breadcrumb a:hover {
            color: var(--primary-1);
        }

        .tactics-hero-breadcrumb span {
            color: var(--text-muted);
        }

        .tactics-hero-breadcrumb .current {
            color: var(--primary-1);
        }

        .tactics-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .tactics-hero h1 .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .tactics-hero-sub {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .tactics-hero-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-glow-primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            color: #fff;
            box-shadow: 0 6px 32px rgba(0, 229, 168, 0.5);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-secondary-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .btn-secondary-outline:hover {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }

        .btn-secondary-outline:active {
            transform: scale(0.97);
        }

        .tactics-hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-primary);
            border-radius: 999px;
            white-space: nowrap;
        }

        .hero-badge .badge-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--primary-1);
        }

        /* 战术策略主内容区：左侧目录+右侧列表 */
        .tactics-main {
            padding: 0 0 48px;
        }

        .tactics-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            align-items: start;
        }

        /* 左侧目录 */
        .tactics-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .tactics-sidebar-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            padding-bottom: 12px;
            margin-bottom: 8px;
            border-bottom: 1px solid var(--border-primary);
            letter-spacing: 0.5px;
        }

        .tactics-sidebar a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .tactics-sidebar a .sidebar-count {
            font-family: var(--font-mono);
            font-size: 0.72rem;
            color: var(--accent-1);
            background: rgba(247, 37, 133, 0.1);
            border: 1px solid rgba(247, 37, 133, 0.2);
            border-radius: 999px;
            padding: 2px 8px;
            min-width: 28px;
            text-align: center;
        }

        .tactics-sidebar a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.06);
        }

        .tactics-sidebar a.active {
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.1);
            border-left: 3px solid var(--primary-1);
            padding-left: 9px;
        }

        .tactics-sidebar a.active .sidebar-count {
            color: #fff;
            background: var(--accent-gradient);
            border-color: transparent;
        }

        /* 右侧列表区 */
        .tactics-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tactics-list-section {
            margin-bottom: 8px;
        }

        .tactics-list-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tactics-list-section-header h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        .tactics-list-section-header .section-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .tactics-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 14px;
            transition: all var(--transition-base);
            cursor: pointer;
            margin-bottom: 12px;
        }

        .tactics-item:hover {
            border-color: var(--primary-1);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-2px);
        }

        .tactics-item-thumb {
            flex-shrink: 0;
            width: 180px;
            height: 110px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }

        .tactics-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .tactics-item:hover .tactics-item-thumb img {
            transform: scale(1.04);
        }

        .tactics-item-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 229, 168, 0.15) 0%, transparent 60%);
            border-radius: var(--radius-sm);
        }

        .tactics-item-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 6px;
        }

        .tactics-item-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 8px;
        }

        .tactics-item-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin: 0;
        }

        .tactics-item-title a {
            color: var(--text-primary);
        }

        .tactics-item-title a:hover {
            color: var(--primary-1);
        }

        .tactics-item-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 0.72rem;
            font-weight: 500;
            border-radius: 999px;
            white-space: nowrap;
        }

        .tag-badge.tag-primary {
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid rgba(0, 229, 168, 0.25);
        }

        .tag-badge.tag-accent {
            color: var(--accent-1);
            background: rgba(247, 37, 133, 0.1);
            border: 1px solid rgba(247, 37, 133, 0.25);
        }

        .tag-badge.tag-neutral {
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .tactics-item-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .tactics-item-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .tactics-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tactics-item-meta .meta-num {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--text-secondary);
        }

        .tactics-item-arrow {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            color: var(--text-muted);
            transition: color var(--transition-fast), transform var(--transition-fast);
            font-size: 1.1rem;
        }

        .tactics-item:hover .tactics-item-arrow {
            color: var(--primary-1);
            transform: translateX(3px);
        }

        /* 流程区 */
        .tactics-process {
            padding: 48px 0 32px;
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: left;
            transition: all var(--transition-base);
            position: relative;
        }

        .process-card:hover {
            border-color: var(--primary-1);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-hover-card);
        }

        .process-card-num {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            display: inline-block;
            margin-bottom: 8px;
        }

        .process-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .process-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* 适用场景 */
        .tactics-scenarios {
            padding: 40px 0;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-base);
            text-align: left;
        }

        .scenario-card:hover {
            border-color: var(--primary-1);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-3px);
        }

        .scenario-card-icon {
            width: 40px;
            height: 40px;
            background: rgba(0, 229, 168, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .scenario-card h3 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .scenario-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .tactics-faq {
            padding: 40px 0 24px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--primary-1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 229, 168, 0.04);
        }

        .faq-question h3 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.2px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-1);
            font-size: 1.2rem;
            transition: transform var(--transition-base);
            font-weight: 300;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .tactics-cta {
            padding: 40px 0 48px;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(0, 229, 168, 0.15) 0%, transparent 70%);
            z-index: 0;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(247, 37, 133, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .cta-card .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .cta-card .cta-hint {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            max-width: 640px;
            margin: 0 auto;
            text-align: left;
        }

        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .cta-form .form-group.full {
            grid-column: 1 / -1;
        }

        .cta-form label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-primary);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 0.85rem;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 70px;
        }

        .cta-form .btn-submit {
            grid-column: 1 / -1;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: 8px;
            box-shadow: var(--shadow-glow-primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.4px;
            text-align: center;
        }

        .cta-form .btn-submit:hover {
            box-shadow: 0 6px 32px rgba(0, 229, 168, 0.5);
            filter: brightness(1.08);
            transform: translateY(-1px);
        }

        .cta-form .btn-submit:active {
            transform: scale(0.98);
        }

        /* 移动端导航抽屉 */
        @media (max-width: 1024px) {
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-primary);
                transform: translateY(-110%);
                transition: transform var(--transition-base);
                z-index: 998;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
            }

            .nav-menu a::after {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .nav-actions .nav-login-btn {
                display: none;
            }

            .tactics-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .tactics-sidebar {
                position: static;
                flex-direction: row;
                overflow-x: auto;
                gap: 6px;
                padding: 12px;
                -webkit-overflow-scrolling: touch;
            }

            .tactics-sidebar-title {
                display: none;
            }

            .tactics-sidebar a {
                flex-shrink: 0;
                padding: 8px 14px;
                font-size: 0.78rem;
                border: 1px solid var(--border-primary);
                border-radius: 999px;
                display: inline-flex;
                gap: 6px;
            }

            .tactics-sidebar a.active {
                border-left: 1px solid var(--primary-1);
                padding-left: 14px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --container-pad: 16px;
            }

            .tactics-hero {
                padding: calc(var(--nav-height) + 32px) 0 48px;
                min-height: 380px;
            }

            .tactics-hero h1 {
                font-size: 1.65rem;
            }

            .tactics-hero-sub {
                font-size: 0.88rem;
            }

            .tactics-item {
                flex-direction: column;
                gap: 12px;
                padding: 12px;
            }

            .tactics-item-thumb {
                width: 100%;
                height: 160px;
            }

            .tactics-item-top {
                flex-direction: column;
                gap: 6px;
            }

            .cta-card {
                padding: 24px 18px;
            }

            .cta-form {
                grid-template-columns: 1fr;
            }

            .cta-form .form-group.full {
                grid-column: 1;
            }

            .cta-form .btn-submit {
                grid-column: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 640px) {
            .process-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .tactics-hero-badges {
                gap: 6px;
            }

            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }

            .tactics-list-section-header h2 {
                font-size: 1.15rem;
            }

            .tactics-item-thumb {
                height: 130px;
            }

            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--text-primary);
        }

        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }

        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            display: block;
            padding: 8px 12px;
            font-size: 0.87rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
            transition: width var(--transition-base);
        }

        .nav-menu a:hover {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after {
            width: 60%;
        }

        .nav-menu a.active {
            color: var(--primary-1);
        }

        .nav-menu a.active::after {
            width: 60%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(17, 26, 46, 0.8);
            border: 1px solid rgba(0, 229, 168, 0.12);
            border-radius: 8px;
            padding: 7px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 220px;
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            stroke: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-search input {
            background: transparent;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }

        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid rgba(0, 229, 168, 0.25);
            border-radius: 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }

        .nav-login-btn.active {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.12);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            color: #fff;
            filter: brightness(1.15);
            box-shadow: var(--shadow-glow-primary);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid rgba(0, 229, 168, 0.2);
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding-top: calc(var(--nav-height) + 48px);
            padding-bottom: 32px;
            background:
                radial-gradient(ellipse at 80% 30%, rgba(0, 184, 217, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(247, 37, 133, 0.08) 0%, transparent 45%),
                var(--bg-base);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            position: relative;
            overflow: hidden;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse at bottom right, rgba(0, 229, 168, 0.09) 0%, transparent 70%);
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
        }

        .banner-badge-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid rgba(0, 229, 168, 0.25);
            border-radius: 20px;
        }

        .banner-badge.accent {
            color: var(--accent-1);
            background: rgba(247, 37, 133, 0.1);
            border-color: rgba(247, 37, 133, 0.3);
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .page-banner h1 .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .banner-desc {
            max-width: 700px;
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== Main Content ===== */
        .main-content {
            padding: var(--section-gap) 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 640px;
        }

        .section-header .section-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .section-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .section-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary-1);
            display: inline-block;
        }

        /* ===== Timeline Layout ===== */
        .timeline-section {
            position: relative;
        }

        .timeline-container {
            display: flex;
            gap: 32px;
            position: relative;
        }

        .timeline-rail {
            flex-shrink: 0;
            width: 100px;
            position: relative;
            padding-top: 8px;
        }

        .timeline-rail::before {
            content: '';
            position: absolute;
            top: 24px;
            bottom: 60px;
            left: 18px;
            width: 2px;
            background: linear-gradient(to bottom, rgba(0, 229, 168, 0.45) 0%, rgba(0, 184, 217, 0.25) 50%, rgba(247, 37, 133, 0.2) 100%);
            border-radius: 2px;
        }

        .timeline-rail-inner {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .timeline-date-group {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-left: 44px;
            position: relative;
        }

        .timeline-date-group::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 36px;
            height: 2px;
            background: rgba(0, 229, 168, 0.3);
            border-radius: 2px;
        }

        .timeline-date-group .month {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary-1);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .timeline-date-group .year {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .timeline-items {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding-left: 28px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 20px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 3px solid var(--primary-1);
            box-shadow: 0 0 0 4px rgba(0, 229, 168, 0.12);
            z-index: 2;
            transition: all var(--transition-base);
        }

        .timeline-item:hover::before {
            border-color: var(--accent-1);
            box-shadow: 0 0 0 6px rgba(247, 37, 133, 0.18);
        }

        .timeline-item-date {
            flex-shrink: 0;
            width: 70px;
            padding-top: 6px;
            text-align: right;
        }

        .timeline-item-date .day {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
            letter-spacing: 0.5px;
        }

        .timeline-item-date .weekday {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .news-card {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid rgba(0, 229, 168, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--primary-1);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-2px);
        }

        .news-card-inner {
            display: flex;
            gap: 20px;
            padding: 16px 20px;
        }

        .news-card-image {
            flex-shrink: 0;
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }

        .news-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-card:hover .news-card-image img {
            transform: scale(1.05);
        }

        .news-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 26, 0.35) 0%, transparent 50%);
            pointer-events: none;
        }

        .news-card-body {
            flex: 1;
            min-width: 0;
        }

        .news-card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid rgba(0, 229, 168, 0.2);
            border-radius: 12px;
            letter-spacing: 0.3px;
        }

        .news-tag.hot {
            color: var(--accent-1);
            background: rgba(247, 37, 133, 0.1);
            border-color: rgba(247, 37, 133, 0.28);
        }

        .news-time-badge {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid rgba(0, 229, 168, 0.06);
        }

        .news-stat {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-stat svg {
            width: 14px;
            height: 14px;
            stroke: var(--text-muted);
            flex-shrink: 0;
        }

        .news-link {
            margin-left: auto;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary-1);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .news-link:hover {
            color: var(--primary-2);
            gap: 8px;
        }

        .news-link svg {
            width: 14px;
            height: 14px;
            stroke: currentColor;
        }

        /* ===== Pagination / Load More ===== */
        .timeline-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            padding-left: 98px;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid rgba(0, 229, 168, 0.15);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .page-btn:hover {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.06);
        }

        .page-btn.active {
            color: #fff;
            background: var(--primary-gradient);
            border-color: transparent;
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            margin-top: var(--section-gap);
            padding: 48px 0;
            background: rgba(14, 22, 40, 0.6);
            border-top: 1px solid rgba(0, 229, 168, 0.06);
            border-bottom: 1px solid rgba(0, 229, 168, 0.06);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 229, 168, 0.08);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .faq-item.open {
            border-color: var(--primary-1);
            box-shadow: 0 4px 16px rgba(0, 229, 168, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(0, 229, 168, 0.04);
        }

        .faq-question h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 229, 168, 0.1);
            transition: transform var(--transition-base);
        }

        .faq-icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--primary-1);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: rgba(0, 229, 168, 0.2);
        }

        .faq-item.open .faq-icon svg {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 20px 18px 20px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA Form Section ===== */
        .cta-section {
            padding: var(--section-gap) 0;
            background:
                radial-gradient(ellipse at 70% 30%, rgba(0, 184, 217, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 80%, rgba(247, 37, 133, 0.07) 0%, transparent 45%);
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 229, 168, 0.14);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 229, 168, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-header {
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }

        .cta-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .cta-header p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-field.full-width {
            grid-column: 1 / -1;
        }

        .form-field label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            background: rgba(10, 15, 26, 0.5);
            border: 1px solid rgba(0, 229, 168, 0.1);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 0.9rem;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .form-field input::placeholder,
        .form-field textarea::placeholder {
            color: var(--text-muted);
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }

        .form-field select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-field select option {
            background: var(--bg-card);
            color: var(--text-primary);
        }

        .form-field textarea {
            min-height: 90px;
            resize: vertical;
        }

        .form-submit-btn {
            grid-column: 1 / -1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .form-submit-btn:hover {
            filter: brightness(1.15);
            box-shadow: var(--shadow-glow-primary);
            color: #fff;
        }

        .form-submit-btn:active {
            transform: scale(0.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080D16;
            border-top: 1px solid rgba(0, 229, 168, 0.1);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 0.82rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--primary-1);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(0, 229, 168, 0.06);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        .footer-bottom-links span {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 2px;
            }
            .nav-menu a {
                padding: 8px 8px;
                font-size: 0.8rem;
            }
            .nav-search {
                width: 160px;
            }
            .nav-login-btn,
            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .timeline-container {
                flex-direction: column;
                gap: 16px;
            }
            .timeline-rail {
                width: 100%;
                padding-top: 0;
            }
            .timeline-rail::before {
                display: none;
            }
            .timeline-rail-inner {
                position: static;
                flex-direction: row;
                gap: 12px;
                overflow-x: auto;
                padding-bottom: 4px;
            }
            .timeline-date-group {
                flex-direction: row;
                gap: 6px;
                padding-left: 0;
            }
            .timeline-date-group::before {
                display: none;
            }
            .timeline-item {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -8px;
                top: 18px;
                width: 12px;
                height: 12px;
                border-width: 2px;
            }
            .timeline-item-date {
                width: 56px;
            }
            .timeline-item-date .day {
                font-size: 1.3rem;
            }
            .timeline-pagination {
                padding-left: 0;
            }
            .cta-card {
                padding: 28px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 24px;
            }
            .footer-col:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --container-pad: 16px;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.97);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 0;
                border-bottom: 1px solid rgba(0, 229, 168, 0.1);
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-menu a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-btn);
                width: 100%;
            }
            .nav-menu a::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(0, 229, 168, 0.1);
            }
            .nav-search {
                display: none;
            }
            .nav-login-btn {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .news-card-inner {
                flex-direction: column;
                gap: 12px;
                padding: 14px;
            }
            .news-card-image {
                width: 100%;
                height: 160px;
            }
            .timeline-item {
                flex-direction: column;
                gap: 8px;
                padding-left: 24px;
            }
            .timeline-item-date {
                width: auto;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 10px;
                padding-top: 0;
            }
            .timeline-item-date .day {
                font-size: 1.1rem;
            }
            .timeline-item-date .weekday {
                margin-top: 0;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .form-field.full-width {
                grid-column: auto;
            }
            .form-submit-btn {
                grid-column: auto;
            }
            .cta-card {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-col:last-child {
                grid-column: auto;
            }
        }

        @media (max-width: 520px) {
            .nav-logo-text {
                font-size: 1.1rem;
            }
            .nav-logo-badge {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .nav-cta-btn {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
            .nav-login-btn {
                padding: 5px 8px;
                font-size: 0.7rem;
            }
            .page-banner {
                padding-top: calc(var(--nav-height) + 32px);
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .banner-desc {
                font-size: 0.85rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .timeline-item::before {
                left: -6px;
                top: 14px;
                width: 10px;
                height: 10px;
            }
            .news-card h3 {
                font-size: 0.95rem;
            }
            .timeline-rail-inner {
                gap: 8px;
            }
            .timeline-date-group .month {
                font-size: 0.72rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-bottom-links {
                gap: 8px;
            }
            .cta-header h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }

        .nav-logo:hover {
            color: var(--text-primary);
        }

        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }

        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }

        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .nav-menu a:hover {
            color: var(--text-primary);
        }

        .nav-menu a:hover::after {
            width: 60%;
        }

        .nav-menu a.active {
            color: var(--primary-1);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            width: 60%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(17, 26, 46, 0.8);
            border: 1px solid rgba(0, 229, 168, 0.12);
            border-radius: 8px;
            padding: 6px 12px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            max-width: 190px;
        }

        .nav-search:hover,
        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 12px rgba(0, 229, 168, 0.25);
        }

        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .nav-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-login-btn {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border: 1px solid rgba(0, 229, 168, 0.2);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login-btn:hover {
            color: var(--primary-1);
            border-color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            color: #fff;
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 4px;
            background: none;
            border: none;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        /* Hero / Banner */
        .page-hero {
            position: relative;
            padding: 56px 0 48px;
            overflow: hidden;
            background: radial-gradient(ellipse at 20% 30%, rgba(0, 229, 168, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(247, 37, 133, 0.06) 0%, transparent 50%);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.8rem;
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid rgba(0, 229, 168, 0.25);
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .page-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* Flash Sale Bar */
        .flash-sale-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(17, 26, 46, 0.85);
            border: 1px solid rgba(247, 37, 133, 0.3);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .flash-sale-bar .flash-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-1);
            white-space: nowrap;
        }

        .flash-sale-bar .flash-label svg {
            width: 20px;
            height: 20px;
        }

        .countdown-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .countdown-wrap .cd-unit {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .countdown-wrap .cd-num {
            background: rgba(0, 229, 168, 0.12);
            border: 1px solid rgba(0, 229, 168, 0.25);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 0.9rem;
            color: var(--primary-1);
        }

        .flash-sale-bar .flash-spacer {
            flex: 1;
        }

        .flash-cta {
            display: inline-block;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: var(--accent-gradient);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .flash-cta:hover {
            color: #fff;
            box-shadow: 0 4px 24px rgba(247, 37, 133, 0.4);
            transform: translateY(-1px);
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--accent-1);
            background: rgba(247, 37, 133, 0.1);
            border: 1px solid rgba(247, 37, 133, 0.2);
            border-radius: 20px;
            padding: 4px 12px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-header p {
            color: var(--text-secondary);
            max-width: 700px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Comparison Card */
        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
            position: relative;
        }

        .compare-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-2px);
        }

        .compare-card .card-img {
            width: 100%;
            height: 180px;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            position: relative;
        }

        .compare-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .compare-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(10, 15, 26, 0.7), transparent);
        }

        .compare-card .card-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            z-index: 2;
        }

        .compare-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.2px;
        }

        .compare-card .card-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .compare-card .spec-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px 0;
        }

        .compare-card .spec-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 7px 0;
            border-bottom: 1px solid rgba(0, 229, 168, 0.06);
            font-size: 0.9rem;
        }

        .compare-card .spec-list li:last-child {
            border-bottom: none;
        }

        .compare-card .spec-list .spec-label {
            color: var(--text-muted);
        }

        .compare-card .spec-list .spec-value {
            color: var(--text-primary);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .score-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .score-badge.score-high {
            background: rgba(0, 229, 168, 0.12);
            border: 1px solid rgba(0, 229, 168, 0.35);
            color: var(--primary-1);
        }

        .score-badge.score-mid {
            background: rgba(0, 184, 217, 0.12);
            border: 1px solid rgba(0, 184, 217, 0.35);
            color: var(--primary-2);
        }

        .score-badge.score-accent {
            background: rgba(247, 37, 133, 0.12);
            border: 1px solid rgba(247, 37, 133, 0.35);
            color: var(--accent-1);
        }

        .btn-view-detail {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-1);
            border: 1px solid rgba(0, 229, 168, 0.35);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .btn-view-detail:hover {
            color: #fff;
            background: var(--primary-gradient);
            border-color: transparent;
            box-shadow: var(--shadow-glow-primary);
        }

        /* Spec Table */
        .spec-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            background: var(--bg-card);
        }

        .spec-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
        }

        .spec-table th,
        .spec-table td {
            padding: 14px 18px;
            text-align: left;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
        }

        .spec-table th {
            background: rgba(0, 229, 168, 0.06);
            color: var(--primary-1);
            font-weight: 600;
            white-space: nowrap;
        }

        .spec-table td {
            color: var(--text-secondary);
        }

        .spec-table tr:last-child td {
            border-bottom: none;
        }

        .spec-table .highlight-col {
            color: var(--primary-1);
            font-weight: 600;
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
        }

        .testimonial-card .quote-icon {
            font-size: 1.5rem;
            color: var(--primary-1);
            opacity: 0.5;
            margin-bottom: 8px;
            line-height: 1;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #fff;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--primary-1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            color: var(--primary-1);
            transition: transform var(--transition-base);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Form */
        .cta-section {
            padding: var(--section-gap) 0;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at center, rgba(0, 229, 168, 0.06) 0%, transparent 60%);
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-primary-strong);
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 850px;
            margin: 0 auto;
        }

        .cta-card .cta-note {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cta-form .form-group.full-width {
            grid-column: 1 / -1;
        }

        .cta-form label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: rgba(10, 15, 26, 0.6);
            border: 1px solid rgba(0, 229, 168, 0.12);
            border-bottom: 2px solid rgba(0, 229, 168, 0.2);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-bottom-color: var(--primary-1);
            box-shadow: 0 3px 12px rgba(0, 229, 168, 0.1);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 70px;
        }

        .btn-submit {
            grid-column: 1 / -1;
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            margin-top: 8px;
        }

        .btn-submit:hover {
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            border-top: 1px solid rgba(0, 229, 168, 0.12);
            background: rgba(10, 15, 26, 0.9);
            padding: 48px 0 20px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary-1);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 16px;
            border-top: 1px solid rgba(0, 229, 168, 0.08);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a,
        .footer-bottom-links span {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 15, 26, 0.98);
                border-bottom: 1px solid var(--border-primary);
                padding: 16px 24px;
                gap: 4px;
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                width: 100%;
                text-align: left;
                padding: 10px 16px;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
                --container-pad: 16px;
            }
            body {
                font-size: 15px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .flash-sale-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .flash-sale-bar .flash-spacer {
                display: none;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .form-group.full-width {
                grid-column: 1;
            }
            .btn-submit {
                grid-column: 1;
            }
            .cta-card {
                padding: 24px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 40px;
                --container-pad: 12px;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .nav-cta-btn {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
            .compare-card .card-img {
                height: 140px;
            }
        }

/* roulang page: category7 */
:root {
            --primary-1: #00E5A8;
            --primary-2: #00B8D9;
            --accent-1: #F72585;
            --accent-2: #B5179E;
            --primary-gradient: linear-gradient(135deg, #00E5A8 0%, #00B8D9 100%);
            --accent-gradient: linear-gradient(135deg, #F72585 0%, #B5179E 100%);
            --bg-base: #0A0F1A;
            --bg-card: #111A2E;
            --bg-card-hover: #121B2D;
            --bg-elevated: #0E1628;
            --text-primary: #F5F7FA;
            --text-secondary: #A0AEC0;
            --text-muted: #64748B;
            --border-primary: rgba(0, 229, 168, 0.14);
            --border-primary-strong: rgba(0, 229, 168, 0.35);
            --border-accent: rgba(247, 37, 133, 0.2);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow-primary: 0 4px 24px rgba(0, 229, 168, 0.4);
            --shadow-hover-card: 0 8px 32px rgba(0, 229, 168, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-mono: "DIN Alternate", "Bahnschrift", "SF Mono", "Roboto Mono", "Courier New", monospace;
            --container-max: 1280px;
            --container-pad: 24px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 48px;
            --card-gap: 24px;
            --item-gap: 16px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-2);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-pad);
            width: 100%;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 15, 26, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.08);
            transition: background var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.95);
            border-bottom-color: rgba(0, 229, 168, 0.2);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: var(--nav-height);
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .nav-logo:hover {
            color: var(--text-primary);
        }
        .nav-logo-badge {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .nav-logo-badge::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 36 36'%3E%3Cpath d='M18 4L6 20l6 2L18 8l6 14 6-2L18 4z' fill='rgba(255,255,255,0.25)'/%3E%3C/svg%3E") center/cover no-repeat;
        }
        .nav-logo-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--primary-1);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 1px;
            transition: width var(--transition-base);
        }
        .nav-menu a:hover {
            color: var(--text-primary);
        }
        .nav-menu a:hover::after {
            width: 60%;
        }
        .nav-menu a.active {
            color: var(--primary-1);
        }
        .nav-menu a.active::after {
            width: 60%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(17, 26, 46, 0.7);
            border: 1px solid rgba(0, 229, 168, 0.12);
            border-radius: 8px;
            padding: 6px 12px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 200px;
        }
        .nav-search svg {
            width: 16px;
            height: 16px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            outline: none;
            padding: 2px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
        }
        .nav-login-btn {
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid rgba(0, 229, 168, 0.18);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-login-btn:hover {
            border-color: var(--primary-1);
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }
        .nav-cta-btn {
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary-gradient);
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(0, 229, 168, 0.25);
        }
        .nav-cta-btn:hover {
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta-btn:active {
            transform: scale(0.98);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-base);
        }
        .nav-hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 40px;
            position: relative;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(0, 229, 168, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(247, 37, 133, 0.06) 0%, transparent 50%),
                var(--bg-base);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .page-hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: flex-end;
            justify-content: space-between;
        }
        .page-hero-left {
            max-width: 680px;
        }
        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(0, 229, 168, 0.1);
            border: 1px solid rgba(0, 229, 168, 0.25);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-1);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .page-hero h1 .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .page-hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .page-hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .page-hero-stat {
            text-align: center;
            padding: 12px 18px;
            background: rgba(17, 26, 46, 0.7);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-primary);
            min-width: 100px;
        }
        .page-hero-stat .number {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-1);
            line-height: 1.2;
        }
        .page-hero-stat .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-1);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ===== Main Layout ===== */
        .main-wrapper {
            padding: 40px 0 0;
        }
        .tactics-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 32px;
            align-items: start;
        }

        /* ===== Sidebar ===== */
        .tactics-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-primary);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .tactics-sidebar-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.3px;
        }
        .tactics-sidebar-title svg {
            width: 16px;
            height: 16px;
            color: var(--primary-1);
        }
        .tactics-sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .tactics-sidebar-nav a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 12px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            gap: 8px;
        }
        .tactics-sidebar-nav a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.06);
        }
        .tactics-sidebar-nav a.active {
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }
        .tactics-sidebar-nav .count-badge {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-muted);
            background: rgba(0, 184, 217, 0.1);
            border: 1px solid rgba(0, 184, 217, 0.2);
            border-radius: 10px;
            padding: 1px 8px;
            flex-shrink: 0;
        }
        .sidebar-protip {
            margin-top: 16px;
            padding: 14px;
            background: rgba(247, 37, 133, 0.06);
            border: 1px solid rgba(247, 37, 133, 0.18);
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .sidebar-protip strong {
            color: var(--accent-1);
            display: block;
            margin-bottom: 4px;
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
        }
        .article-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }
        .article-list-header h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }
        .article-sort {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .article-sort button {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(17, 26, 46, 0.6);
            border: 1px solid rgba(0, 229, 168, 0.1);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .article-sort button:hover {
            border-color: var(--primary-1);
            color: var(--primary-1);
        }
        .article-sort button.active {
            background: rgba(0, 229, 168, 0.12);
            color: var(--primary-1);
            border-color: rgba(0, 229, 168, 0.35);
        }
        .article-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            padding: 16px;
            transition: all var(--transition-base);
            cursor: pointer;
            overflow: hidden;
        }
        .article-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-2px);
        }
        .article-card-img {
            width: 220px;
            height: 160px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }
        .article-card-img .overlay-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            border-radius: 10px;
            background: rgba(10, 15, 26, 0.8);
            backdrop-filter: blur(4px);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-1);
            border: 1px solid rgba(0, 229, 168, 0.3);
        }
        .article-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }
        .article-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-title {
            color: var(--primary-1);
        }
        .article-card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .article-tag {
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 500;
            background: rgba(0, 184, 217, 0.1);
            color: var(--primary-2);
            border: 1px solid rgba(0, 184, 217, 0.18);
            white-space: nowrap;
        }
        .article-tag.accent {
            background: rgba(247, 37, 133, 0.1);
            color: var(--accent-1);
            border-color: rgba(247, 37, 133, 0.2);
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            margin-top: auto;
        }
        .article-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card-meta .icon {
            display: inline-block;
            width: 14px;
            height: 14px;
        }

        /* ===== Value Section ===== */
        .value-section {
            margin-top: var(--section-gap);
            padding: 40px 0;
        }
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .value-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            padding: 22px;
            transition: all var(--transition-base);
            text-align: center;
        }
        .value-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
            transform: translateY(-3px);
        }
        .value-card-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            background: var(--primary-gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
        }
        .value-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .value-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Scenarios ===== */
        .scenarios-section {
            margin-top: var(--section-gap);
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            padding: 22px;
            transition: all var(--transition-base);
        }
        .scenario-card:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
        }
        .scenario-card .scenario-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(247, 37, 133, 0.1);
            color: var(--accent-1);
            border: 1px solid rgba(247, 37, 133, 0.2);
            margin-bottom: 10px;
        }
        .scenario-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-section {
            margin-top: var(--section-gap);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            text-align: center;
            padding: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            transition: all var(--transition-base);
        }
        .process-step:hover {
            border-color: var(--border-primary-strong);
            box-shadow: var(--shadow-hover-card);
        }
        .process-step .step-number {
            width: 40px;
            height: 40px;
            margin: 0 auto 12px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-top: var(--section-gap);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-primary);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item.open {
            border-color: var(--border-primary-strong);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--primary-1);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-1);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            margin-top: var(--section-gap);
            padding: 40px 0;
        }
        .cta-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-primary);
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            inset: -50% -30%;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 229, 168, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 70%, rgba(247, 37, 133, 0.06) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-card-content {
            position: relative;
            z-index: 1;
        }
        .cta-card h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cta-card p.cta-subtitle {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }
        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .cta-form .form-group label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .cta-form .form-group input,
        .cta-form .form-group select,
        .cta-form .form-group textarea {
            padding: 10px 14px;
            background: rgba(10, 15, 26, 0.5);
            border: 1px solid var(--border-primary);
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }
        .cta-form .form-group input:focus,
        .cta-form .form-group select:focus,
        .cta-form .form-group textarea:focus {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(0, 229, 168, 0.1);
            background: rgba(10, 15, 26, 0.7);
        }
        .cta-form .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form .form-submit {
            grid-column: 1 / -1;
        }
        .cta-form .form-submit button {
            width: 100%;
            padding: 14px 24px;
            border-radius: var(--radius-btn);
            background: var(--primary-gradient);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 16px rgba(0, 229, 168, 0.25);
        }
        .cta-form .form-submit button:hover {
            box-shadow: var(--shadow-glow-primary);
            transform: translateY(-2px);
        }
        .cta-form .form-submit button:active {
            transform: scale(0.98);
        }

        /* ===== Footer ===== */
        .site-footer {
            margin-top: 40px;
            background: var(--bg-elevated);
            border-top: 1px solid rgba(0, 229, 168, 0.08);
            padding: 40px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .footer-brand h4 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-brand p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.83rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-1);
        }
        .footer-bottom {
            border-top: 1px solid rgba(0, 229, 168, 0.08);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .footer-bottom-links a:hover {
            color: var(--primary-1);
        }

        /* ===== Section Header ===== */
        .section-header {
            margin-bottom: 28px;
        }
        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        .section-header p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
        }
        .section-header .section-badge {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(0, 229, 168, 0.1);
            color: var(--primary-1);
            border: 1px solid rgba(0, 229, 168, 0.25);
            margin-bottom: 10px;
        }

        /* ===== Mobile Drawer ===== */
        .nav-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(10, 15, 26, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 229, 168, 0.15);
            z-index: 999;
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
        }
        .nav-drawer.open {
            display: flex;
        }
        .nav-drawer a {
            padding: 12px 14px;
            border-radius: var(--radius-btn);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .nav-drawer a:hover {
            color: var(--text-primary);
            background: rgba(0, 229, 168, 0.06);
        }
        .nav-drawer a.active {
            color: var(--primary-1);
            background: rgba(0, 229, 168, 0.08);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                width: 150px;
            }
            .tactics-layout {
                grid-template-columns: 1fr;
            }
            .tactics-sidebar {
                position: static;
                order: 2;
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero-stats {
                gap: 10px;
            }
            .article-card {
                flex-direction: column;
            }
            .article-card-img {
                width: 100%;
                height: 180px;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .form-submit {
                grid-column: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 24px;
            }
            .nav-search {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.35rem;
            }
            .page-hero-desc {
                font-size: 0.88rem;
            }
            .page-hero-stat {
                min-width: 70px;
                padding: 8px 12px;
            }
            .page-hero-stat .number {
                font-size: 1.2rem;
            }
            .tactics-layout {
                grid-template-columns: 1fr;
            }
            .article-card-title {
                font-size: 0.98rem;
            }
            .article-card-summary {
                font-size: 0.82rem;
            }
        }