/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #0f1923;
        --primary-light: #1a2d42;
        --primary-dark: #070e14;
        --accent: #d4a843;
        --accent-hover: #e0b85a;
        --accent-light: rgba(212, 168, 67, 0.12);
        --accent-gradient: linear-gradient(135deg, #d4a843 0%, #f0c040 100%);
        --bg-body: #0a1118;
        --bg-card: rgba(26, 45, 66, 0.65);
        --bg-card-hover: rgba(26, 45, 66, 0.9);
        --bg-section: #0d1620;
        --bg-section-alt: #111d2a;
        --text-primary: #f0f4f8;
        --text-secondary: #b0bcc8;
        --text-muted: #7a8899;
        --border-color: rgba(212, 168, 67, 0.2);
        --border-light: rgba(255, 255, 255, 0.06);
        --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.4);
        --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.6);
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        --nav-height: 72px;
        --container-max: 1280px;
    }

    /* ===== Reset / Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        background: var(--bg-body);
        color: var(--text-primary);
        line-height: 1.7;
        overflow-x: hidden;
    }
    a { color: var(--accent); text-decoration: none; transition: var(--transition-fast); }
    a:hover { color: var(--accent-hover); text-decoration: underline; }
    img { max-width: 100%; height: auto; display: block; }
    button, input, textarea { font-family: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; letter-spacing: -0.02em; }
    ::selection { background: var(--accent); color: var(--primary); }

    /* ===== Container ===== */
    .container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; margin: 0 auto; width: 100%; }

    /* ===== Navigation ===== */
    .site-header {
        position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
        background: rgba(15, 25, 35, 0.92);
        backdrop-filter: blur(20px) saturate(1.2);
        border-bottom: 1px solid var(--border-light);
        height: var(--nav-height);
        transition: var(--transition-base);
    }
    .site-header.scrolled { background: rgba(10, 17, 24, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
    .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
    .header-left { display: flex; align-items: center; gap: 40px; }
    .site-logo { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; display: flex; align-items: center; gap: 10px; }
    .site-logo:hover { color: var(--accent); text-decoration: none; }
    .site-logo .logo-icon { width: 38px; height: 38px; background: var(--accent-gradient); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 900; font-size: 1.1rem; }
    .site-logo .logo-text { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .main-nav { display: flex; align-items: center; gap: 8px; }
    .main-nav a {
        padding: 8px 18px; border-radius: var(--radius-sm);
        color: var(--text-secondary); font-size: 0.95rem; font-weight: 500;
        transition: var(--transition-fast); position: relative;
    }
    .main-nav a:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); text-decoration: none; }
    .main-nav a.active { color: var(--accent); background: var(--accent-light); }
    .main-nav a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent-gradient); border-radius: 2px; }
    .header-right { display: flex; align-items: center; gap: 16px; }
    .search-toggle, .menu-toggle { background: none; border: none; color: var(--text-secondary); font-size: 1.2rem; padding: 8px; border-radius: var(--radius-sm); transition: var(--transition-fast); cursor: pointer; }
    .search-toggle:hover, .menu-toggle:hover { color: var(--accent); background: rgba(255,255,255,0.05); }
    .search-box { display: none; align-items: center; background: rgba(255,255,255,0.06); border-radius: var(--radius-sm); padding: 4px 4px 4px 16px; border: 1px solid var(--border-light); }
    .search-box.open { display: flex; }
    .search-box input { background: none; border: none; color: var(--text-primary); padding: 6px 0; font-size: 0.95rem; outline: none; min-width: 180px; }
    .search-box input::placeholder { color: var(--text-muted); }
    .search-box button { background: var(--accent-gradient); border: none; color: var(--primary); padding: 6px 16px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.85rem; cursor: pointer; transition: var(--transition-fast); }
    .search-box button:hover { opacity: 0.9; }

    /* ===== Hero ===== */
    .hero {
        position: relative; min-height: 85vh; display: flex; align-items: center;
        margin-top: var(--nav-height);
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        overflow: hidden;
    }
    .hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,17,24,0.92) 0%, rgba(15,25,35,0.7) 50%, rgba(10,17,24,0.5) 100%); z-index: 1; }
    .hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-body) 0%, transparent 40%); z-index: 1; }
    .hero .container { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 80px; }
    .hero-content { max-width: 780px; }
    .hero-badge {
        display: inline-flex; align-items: center; gap: 8px;
        background: var(--accent-light); color: var(--accent); padding: 6px 18px;
        border-radius: 100px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px;
        border: 1px solid rgba(212,168,67,0.25);
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero h1 { font-size: 3.4rem; font-weight: 900; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.03em; }
    .hero h1 .highlight { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .hero p { font-size: 1.2rem; color: var(--text-secondary); max-width: 620px; margin-bottom: 32px; line-height: 1.8; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
    .btn-accent {
        display: inline-flex; align-items: center; gap: 10px;
        background: var(--accent-gradient); color: var(--primary); padding: 14px 36px;
        border-radius: var(--radius-sm); font-weight: 700; font-size: 1rem;
        border: none; cursor: pointer; transition: var(--transition-base);
        box-shadow: 0 4px 20px rgba(212,168,67,0.3);
    }
    .btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(212,168,67,0.45); color: var(--primary); text-decoration: none; }
    .btn-outline {
        display: inline-flex; align-items: center; gap: 10px;
        background: transparent; color: var(--text-primary); padding: 14px 36px;
        border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem;
        border: 1px solid rgba(255,255,255,0.2); cursor: pointer;
        transition: var(--transition-base);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.06); border-color: var(--accent); color: var(--accent); text-decoration: none; }
    .hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border-light); flex-wrap: wrap; }
    .hero-stat-item { display: flex; flex-direction: column; }
    .hero-stat-item .num { font-size: 2rem; font-weight: 800; color: var(--accent); line-height: 1; }
    .hero-stat-item .label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

    /* ===== Sections ===== */
    .section { padding: 80px 0; }
    .section-dark { background: var(--bg-section); }
    .section-darker { background: var(--bg-section-alt); }
    .section-title { text-align: center; margin-bottom: 50px; }
    .section-title h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
    .section-title p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
    .section-title .subtitle { display: inline-block; color: var(--accent); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }

    /* ===== Cover Wall (精选内容) ===== */
    .cover-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
    .cover-card {
        position: relative; border-radius: var(--radius-md); overflow: hidden;
        background: var(--bg-card); border: 1px solid var(--border-light);
        transition: var(--transition-base); cursor: pointer;
        min-height: 320px; display: flex; flex-direction: column;
    }
    .cover-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(212,168,67,0.3); }
    .cover-card .cover-img { width: 100%; height: 180px; object-fit: cover; }
    .cover-card .card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
    .cover-card .card-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--text-primary); }
    .cover-card .card-body p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
    .cover-card .card-meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }
    .cover-card .card-meta .tag { background: var(--accent-light); color: var(--accent); padding: 2px 12px; border-radius: 100px; font-weight: 600; font-size: 0.75rem; }

    /* ===== 最新资讯 (CMS List) ===== */
    .news-list { display: flex; flex-direction: column; gap: 16px; }
    .news-item {
        display: flex; align-items: stretch; gap: 20px;
        background: var(--bg-card); border-radius: var(--radius-md);
        padding: 20px 24px; border: 1px solid var(--border-light);
        transition: var(--transition-base);
    }
    .news-item:hover { background: var(--bg-card-hover); border-color: rgba(212,168,67,0.2); transform: translateX(4px); }
    .news-item .news-thumb { width: 120px; min-height: 80px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
    .news-item .news-content { flex: 1; display: flex; flex-direction: column; justify-content: center; }
    .news-item .news-title { font-size: 1.05rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; line-height: 1.4; }
    .news-item .news-title:hover { color: var(--accent); }
    .news-item .news-excerpt { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .news-item .news-meta { display: flex; gap: 16px; margin-top: 8px; font-size: 0.8rem; color: var(--text-muted); }
    .news-item .news-meta .cat { color: var(--accent); font-weight: 600; }
    .empty-news { text-align: center; padding: 48px 20px; color: var(--text-muted); font-size: 1.05rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-light); }

    /* ===== 频道分类卡片 ===== */
    .channel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
    .channel-card {
        position: relative; border-radius: var(--radius-md); overflow: hidden;
        background: var(--bg-card); border: 1px solid var(--border-light);
        padding: 28px 20px; text-align: center;
        transition: var(--transition-base);
    }
    .channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(212,168,67,0.3); }
    .channel-card .icon { font-size: 2.4rem; margin-bottom: 16px; color: var(--accent); }
    .channel-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
    .channel-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }
    .channel-card .badge-count {
        display: inline-block; background: var(--accent-light); color: var(--accent);
        padding: 2px 14px; border-radius: 100px; font-size: 0.75rem; font-weight: 600; margin-top: 12px;
    }

    /* ===== 数据统计 ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 30px; text-align: center; }
    .stat-item .stat-num { font-size: 2.8rem; font-weight: 900; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
    .stat-item .stat-label { font-size: 0.95rem; color: var(--text-secondary); margin-top: 8px; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
    .faq-item { background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition-base); }
    .faq-item:hover { border-color: rgba(212,168,67,0.2); }
    .faq-question {
        padding: 20px 24px; display: flex; align-items: center; justify-content: space-between;
        font-weight: 600; font-size: 1rem; cursor: pointer; color: var(--text-primary);
        background: none; border: none; width: 100%; text-align: left;
        transition: var(--transition-fast);
    }
    .faq-question:hover { color: var(--accent); }
    .faq-question i { font-size: 0.85rem; transition: var(--transition-fast); color: var(--text-muted); }
    .faq-question[aria-expanded="true"] i { transform: rotate(180deg); color: var(--accent); }
    .faq-answer { padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }

    /* ===== CTA ===== */
    .cta-section {
        background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat fixed;
        position: relative; padding: 100px 0;
    }
    .cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(10,17,24,0.85); }
    .cta-section .container { position: relative; z-index: 2; text-align: center; }
    .cta-section h2 { font-size: 2.6rem; font-weight: 900; margin-bottom: 16px; }
    .cta-section p { color: var(--text-secondary); max-width: 560px; margin: 0 auto 32px; font-size: 1.1rem; }

    /* ===== Footer ===== */
    .site-footer { background: var(--primary-dark); border-top: 1px solid var(--border-light); padding: 60px 0 30px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand .site-logo { margin-bottom: 16px; }
    .footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 320px; line-height: 1.7; }
    .footer-col h5 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.06em; }
    .footer-col a { display: block; color: var(--text-secondary); font-size: 0.9rem; padding: 4px 0; transition: var(--transition-fast); }
    .footer-col a:hover { color: var(--accent); text-decoration: none; padding-left: 4px; }
    .footer-bottom { border-top: 1px solid var(--border-light); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
    .footer-bottom p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }
    .footer-bottom .social-links { display: flex; gap: 12px; }
    .footer-bottom .social-links a { color: var(--text-muted); font-size: 1.1rem; padding: 6px; border-radius: var(--radius-sm); transition: var(--transition-fast); }
    .footer-bottom .social-links a:hover { color: var(--accent); background: var(--accent-light); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .hero h1 { font-size: 2.8rem; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        :root { --nav-height: 64px; }
        .hero { min-height: 70vh; }
        .hero h1 { font-size: 2.2rem; }
        .hero p { font-size: 1rem; }
        .hero-stats { gap: 24px; }
        .hero-stat-item .num { font-size: 1.5rem; }
        .section { padding: 48px 0; }
        .section-title h2 { font-size: 1.8rem; }
        .cover-wall { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
        .news-item { flex-direction: column; padding: 16px; }
        .news-item .news-thumb { width: 100%; height: 140px; }
        .main-nav { display: none; }
        .main-nav.mobile-open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(10,17,24,0.98); backdrop-filter: blur(20px); padding: 16px 24px; border-bottom: 1px solid var(--border-light); gap: 4px; }
        .main-nav.mobile-open a { padding: 12px 16px; }
        .header-left { gap: 16px; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .cta-section h2 { font-size: 1.8rem; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .channel-grid { grid-template-columns: repeat(2, 1fr); }
        .search-box.open { position: absolute; top: var(--nav-height); left: 0; right: 0; padding: 12px 24px; background: rgba(10,17,24,0.98); border-bottom: 1px solid var(--border-light); }
        .search-box input { min-width: 120px; }
    }
    @media (max-width: 520px) {
        .hero h1 { font-size: 1.7rem; }
        .hero-actions { flex-direction: column; width: 100%; }
        .hero-actions .btn-accent, .hero-actions .btn-outline { width: 100%; justify-content: center; }
        .cover-wall { grid-template-columns: 1fr; }
        .channel-grid { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
        .stat-item .stat-num { font-size: 2rem; }
        .section-title h2 { font-size: 1.5rem; }
        .site-logo { font-size: 1.2rem; }
        .site-logo .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
    }

    /* ===== 工具类 ===== */
    .text-accent { color: var(--accent) !important; }
    .bg-accent { background: var(--accent-gradient) !important; }
    .gap-2 { gap: 8px; }
    .gap-3 { gap: 16px; }
    .fw-700 { font-weight: 700; }
    .mb-0 { margin-bottom: 0; }
    .mt-1 { margin-top: 4px; }
    .mt-2 { margin-top: 8px; }
    .mt-3 { margin-top: 16px; }
    .mt-4 { margin-top: 24px; }
    .mb-2 { margin-bottom: 8px; }
    .mb-3 { margin-bottom: 16px; }
    .mb-4 { margin-bottom: 24px; }
    .text-center { text-align: center; }

/* roulang page: article */
:root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #2c3e50;
            --accent: #f39c12;
            --bg-dark: #0f0f1a;
            --bg-darker: #0a0a14;
            --bg-card: #1a1a2e;
            --bg-section: #12121f;
            --text-light: #f1f1f1;
            --text-muted: #a0a0b8;
            --text-soft: #c8c8d8;
            --border-color: rgba(255,255,255,0.06);
            --border-hover: rgba(255,255,255,0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 30px rgba(0,0,0,0.5);
            --shadow-elevated: 0 20px 50px rgba(0,0,0,0.6);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }
        .section-title {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--text-light);
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin-top: 8px;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            margin-bottom: 2.5rem;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .btn-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(192,57,43,0.35);
            color: #fff;
        }
        .btn-custom-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.25);
            color: var(--text-light);
        }
        .btn-custom-outline:hover {
            border-color: var(--primary-light);
            background: rgba(231,76,60,0.1);
            color: var(--primary-light);
        }
        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(231,76,60,0.15);
            color: var(--primary-light);
            border: 1px solid rgba(231,76,60,0.2);
            letter-spacing: 0.3px;
        }
        .badge-accent {
            background: rgba(243,156,18,0.15);
            color: var(--accent);
            border-color: rgba(243,156,18,0.25);
        }
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .card-custom:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .section-block {
            padding: 80px 0;
            position: relative;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }
        .bg-section-alt {
            background: var(--bg-section);
        }
        .bg-darker {
            background: var(--bg-darker);
        }

        /* ===== Navbar ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15,15,26,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-light);
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .site-logo .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-light);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }
        .main-nav a:hover {
            color: var(--text-light);
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,255,255,0.08);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 6px 16px 6px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .nav-search:hover {
            border-color: rgba(255,255,255,0.2);
            background: rgba(255,255,255,0.09);
        }
        .nav-search i {
            font-size: 0.9rem;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            padding: 4px 8px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(15,15,26,0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                max-height: 80vh;
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-search span {
                display: none;
            }
            .nav-search {
                padding: 6px 12px;
            }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 40px;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta .category-link {
            color: var(--primary-light);
            font-weight: 600;
        }
        .article-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.04em;
            line-height: 1.2;
            color: var(--text-light);
            max-width: 900px;
            margin-bottom: 20px;
        }
        .article-hero .lead {
            font-size: 1.15rem;
            color: var(--text-soft);
            max-width: 780px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero .lead {
                font-size: 1rem;
            }
            .article-hero {
                padding-top: calc(var(--nav-height) + 20px);
                padding-bottom: 30px;
            }
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 50px 0 70px;
        }
        .article-body {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 48px 56px;
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-soft);
        }
        .article-body h2 {
            font-size: 1.7rem;
            color: var(--text-light);
            margin-top: 2.2rem;
            margin-bottom: 1rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: var(--text-light);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8rem 0;
            width: 100%;
            object-fit: cover;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.8rem 0;
            background: rgba(255,255,255,0.03);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-soft);
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--accent);
        }
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            color: var(--text-muted);
        }
        .article-not-found h2 {
            font-size: 2rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .article-not-found p {
            font-size: 1.1rem;
            margin-bottom: 24px;
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 28px 20px;
                font-size: 0.98rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
        }

        /* ===== Related / CTA ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-section);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-light);
        }
        .related-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
            color: var(--text-light);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-darker);
            object-fit: cover;
            width: 100%;
        }
        .related-card .card-body {
            padding: 20px 22px;
        }
        .related-card .card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cta-block {
            padding: 70px 0;
            text-align: center;
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
        }
        .cta-block h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .cta-block p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            color: var(--text-soft);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            text-decoration: none;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 1rem;
        }
        .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Misc ===== */
        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-custom span {
            color: var(--text-soft);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .tag-list a {
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            background: rgba(255,255,255,0.05);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .tag-list a:hover {
            background: rgba(231,76,60,0.1);
            border-color: rgba(231,76,60,0.2);
            color: var(--primary-light);
        }
        .share-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }
        .share-bar span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .share-bar a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .share-bar a:hover {
            background: var(--primary);
            color: #fff;
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-dark: #0a0e1a;
            --bg-card: #111827;
            --bg-section: #0f1724;
            --bg-light: #1a2332;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: none;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding: 0 20px;
            margin: 0 auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 26, 0.97);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary) !important;
            text-decoration: none !important;
            letter-spacing: 0.5px;
        }
        .site-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
        }
        .site-logo .logo-text {
            color: var(--text-primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            text-decoration: none !important;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .main-nav a.active:hover {
            background: var(--primary-dark);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 140px 0 90px;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .category-hero:hover .category-hero-bg {
            transform: scale(1.0);
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.92) 0%, rgba(10, 14, 26, 0.7) 50%, rgba(10, 14, 26, 0.88) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.3);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .category-hero .hero-badge i {
            font-size: 12px;
        }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            max-width: 720px;
        }
        .category-hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none !important;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.45);
            color: #fff;
            background: linear-gradient(135deg, var(--primary-dark), #a00f1a);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none !important;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--text-secondary);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-item .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .hero-stat-item .num .suffix {
            font-size: 18px;
            color: var(--primary-light);
            font-weight: 600;
        }
        .hero-stat-item .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Sections ===== */
        .section-block {
            padding: 80px 0;
            position: relative;
        }
        .section-block.alt-bg {
            background: var(--bg-section);
        }
        .section-block.dark-card-bg {
            background: var(--bg-card);
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title-wrap .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title-wrap h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .section-title-wrap .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-title-wrap.left-aligned {
            text-align: left;
        }
        .section-title-wrap.left-aligned .section-desc {
            margin: 0;
        }

        /* ===== Features / 核心优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Coverage / 覆盖赛事 ===== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .coverage-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
            cursor: default;
        }
        .coverage-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .coverage-card .coverage-icon {
            font-size: 36px;
            margin-bottom: 14px;
            color: var(--primary-light);
        }
        .coverage-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .coverage-card .coverage-count {
            font-size: 13px;
            color: var(--text-muted);
        }
        .coverage-card .coverage-badge {
            display: inline-block;
            margin-top: 10px;
            padding: 2px 12px;
            background: rgba(230, 57, 70, 0.1);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            color: var(--primary-light);
        }

        /* ===== 数据板块 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .stat-item .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .stat-item .stat-num .stat-suffix {
            font-size: 20px;
            color: var(--primary-light);
            font-weight: 600;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== 服务流程 ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary-light), var(--accent));
            opacity: 0.3;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .process-step h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .faq-item.open .faq-toggle {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-section));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-box {
            text-align: center;
            padding: 60px 20px;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-box p {
            font-size: 17px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-box .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none !important;
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom p a {
            color: var(--text-muted);
            text-decoration: none !important;
        }
        .footer-bottom p a:hover {
            color: var(--primary-light);
        }
        .social-links {
            display: flex;
            gap: 10px;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            text-decoration: none !important;
        }
        .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .category-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 58px;
            }
            .main-nav {
                position: fixed;
                top: 58px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-toggle {
                display: block;
            }
            .category-hero {
                padding: 110px 0 60px;
                min-height: auto;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
                flex-direction: column;
            }
            .hero-stat-item .num {
                font-size: 26px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-title-wrap h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-box h2 {
                font-size: 26px;
            }
            .cta-box p {
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .section-title-wrap h2 {
                font-size: 24px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
        }