/* roulang page: index */
/* ===== :root 设计变量 ===== */
    :root {
        --clr-primary: #f59e0b;
        --clr-primary-hover: #d97706;
        --clr-primary-light: #fbbf24;
        --clr-accent: #ef4444;
        --clr-bg: #0a0e1a;
        --clr-bg-alt: #111827;
        --clr-bg-card: #1a1f2e;
        --clr-bg-card-hover: #222a3d;
        --clr-bg-overlay: rgba(10, 14, 26, 0.85);
        --clr-text: #f1f5f9;
        --clr-text-secondary: #94a3b8;
        --clr-text-muted: #64748b;
        --clr-border: #2a3347;
        --clr-border-light: #3a4560;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
        --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
        --shadow-glow: 0 0 30px rgba(245,158,11,0.15);
        --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;
        --container-max: 1280px;
        --container-padding: 1.5rem;
        --header-height: 72px;
    }

    /* ===== 基础 Reset & 基础 ===== */
    *, *::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);
        font-size: 1rem;
        line-height: 1.7;
        color: var(--clr-text);
        background: var(--clr-bg);
        min-height: 100vh;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--clr-primary-hover); }
    a:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 3px; border-radius: 4px; }
    button, input, select, textarea { font-family: inherit; font-size: 1rem; }
    button { cursor: pointer; border: none; background: none; }
    button:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: 700; line-height: 1.25; color: var(--clr-text); }
    h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); letter-spacing: -0.02em; }
    h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.01em; }
    h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
    h4 { font-size: 1.15rem; }
    p { margin-bottom: 1rem; color: var(--clr-text-secondary); }
    .container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
    .section { padding: 5rem 0; }
    .section-title { text-align: center; margin-bottom: 3rem; }
    .section-title h2 { margin-bottom: 0.75rem; }
    .section-title p { max-width: 640px; margin: 0 auto; font-size: 1.1rem; }
    .section-divider { width: 60px; height: 4px; background: var(--clr-primary); border-radius: 4px; margin: 1rem auto 1.5rem; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

    /* ===== 导航 ===== */
    .site-header {
        position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
        height: var(--header-height);
        background: rgba(10, 14, 26, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--clr-border);
        transition: background var(--transition);
    }
    .header-inner {
        display: flex; align-items: center; justify-content: space-between;
        height: 100%; gap: 1.5rem;
    }
    .site-logo {
        font-family: var(--font-display); font-weight: 800; font-size: 1.35rem;
        color: var(--clr-text); letter-spacing: -0.03em; white-space: nowrap;
        display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0;
    }
    .site-logo i { color: var(--clr-primary); font-size: 1.2em; }
    .site-logo span { color: var(--clr-primary); }
    .site-logo:hover { color: var(--clr-primary); }

    /* 搜索框 (导航视觉中心) */
    .nav-search {
        flex: 1; max-width: 480px; margin: 0 1rem; position: relative;
    }
    .nav-search form { display: flex; align-items: center; width: 100%; }
    .nav-search input {
        width: 100%; padding: 0.55rem 1rem 0.55rem 2.5rem;
        border: 1px solid var(--clr-border); border-radius: 40px;
        background: var(--clr-bg-alt); color: var(--clr-text);
        font-size: 0.9rem; transition: all var(--transition);
    }
    .nav-search input::placeholder { color: var(--clr-text-muted); }
    .nav-search input:focus { outline: none; border-color: var(--clr-primary); box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
    .nav-search .search-icon {
        position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%);
        color: var(--clr-text-muted); font-size: 0.95rem; pointer-events: none;
    }

    /* 导航链接 */
    .nav-links { display: flex; align-items: center; gap: 0.25rem; flex-shrink: 0; }
    .nav-links a {
        padding: 0.5rem 1rem; border-radius: 40px; font-size: 0.9rem; font-weight: 500;
        color: var(--clr-text-secondary); transition: all var(--transition); white-space: nowrap;
    }
    .nav-links a:hover { color: var(--clr-text); background: var(--clr-bg-card); }
    .nav-links a.active { color: var(--clr-primary); background: rgba(245,158,11,0.12); }
    .nav-links a.active i { color: var(--clr-primary); }
    .nav-links a i { margin-right: 0.35rem; font-size: 0.85em; }

    /* 移动端菜单开关 */
    .menu-toggle { display: none; font-size: 1.5rem; color: var(--clr-text); padding: 0.25rem; }

    /* ===== Hero ===== */
    .hero {
        position: relative; min-height: 92vh; display: flex; align-items: center;
        padding: var(--header-height) 0 3rem; overflow: hidden;
        background: var(--clr-bg);
    }
    .hero-bg {
        position: absolute; inset: 0; z-index: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.35; transform: scale(1.05);
    }
    .hero-overlay {
        position: absolute; inset: 0; z-index: 1;
        background: linear-gradient(135deg, rgba(10,14,26,0.92) 0%, rgba(10,14,26,0.6) 50%, rgba(10,14,26,0.3) 100%);
    }
    .hero .container { position: relative; z-index: 2; width: 100%; }
    .hero-content { max-width: 780px; }
    .hero-badge {
        display: inline-flex; align-items: center; gap: 0.5rem;
        padding: 0.35rem 1rem 0.35rem 0.75rem;
        background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.25);
        border-radius: 40px; font-size: 0.8rem; font-weight: 500; color: var(--clr-primary-light);
        margin-bottom: 1.5rem; letter-spacing: 0.3px;
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero h1 { margin-bottom: 1rem; }
    .hero h1 .highlight { color: var(--clr-primary); }
    .hero p { font-size: 1.2rem; max-width: 600px; margin-bottom: 2rem; color: var(--clr-text-secondary); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
    .hero-actions .btn { min-width: 140px; }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
        padding: 0.75rem 2rem; border-radius: 40px; font-weight: 600; font-size: 0.95rem;
        transition: all var(--transition); border: 1px solid transparent; text-align: center;
        letter-spacing: 0.2px;
    }
    .btn-primary { background: var(--clr-primary); color: #0a0e1a; border-color: var(--clr-primary); }
    .btn-primary:hover { background: var(--clr-primary-hover); border-color: var(--clr-primary-hover); color: #0a0e1a; transform: translateY(-2px); box-shadow: var(--shadow-glow); }
    .btn-outline { background: transparent; color: var(--clr-text); border-color: var(--clr-border-light); }
    .btn-outline:hover { border-color: var(--clr-primary); color: var(--clr-primary); transform: translateY(-2px); }
    .btn-ghost { background: transparent; color: var(--clr-text-secondary); border-color: transparent; padding: 0.5rem 1.25rem; }
    .btn-ghost:hover { color: var(--clr-text); background: var(--clr-bg-card); }
    .btn i { font-size: 0.9em; }

    /* ===== 卡片 ===== */
    .card {
        background: var(--clr-bg-card); border: 1px solid var(--clr-border);
        border-radius: var(--radius-md); overflow: hidden;
        transition: all var(--transition);
    }
    .card:hover { background: var(--clr-bg-card-hover); border-color: var(--clr-border-light); transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
    .card-body { padding: 1.5rem; }
    .card-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--clr-text); }
    .card-title a { color: inherit; }
    .card-title a:hover { color: var(--clr-primary); }
    .card-text { font-size: 0.9rem; color: var(--clr-text-secondary); margin-bottom: 1rem; }
    .card-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; color: var(--clr-text-muted); }
    .card-meta i { margin-right: 0.25rem; }
    .card-tag {
        display: inline-block; padding: 0.15rem 0.6rem; border-radius: 20px;
        background: rgba(245,158,11,0.12); color: var(--clr-primary-light); font-size: 0.7rem; font-weight: 500;
    }
    .card-link { color: var(--clr-primary); font-weight: 500; font-size: 0.9rem; }
    .card-link i { transition: transform var(--transition); }
    .card-link:hover i { transform: translateX(4px); }

    /* ===== 分类卡片 (大) ===== */
    .cat-card {
        background: var(--clr-bg-card); border: 1px solid var(--clr-border);
        border-radius: var(--radius-lg); overflow: hidden;
        transition: all var(--transition); position: relative;
    }
    .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--clr-primary); }
    .cat-card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
    .cat-card-body { padding: 1.75rem; }
    .cat-card-icon { font-size: 2rem; color: var(--clr-primary); margin-bottom: 0.75rem; }
    .cat-card h3 { margin-bottom: 0.5rem; }
    .cat-card p { font-size: 0.9rem; color: var(--clr-text-muted); margin-bottom: 1rem; }
    .cat-card .btn { padding: 0.5rem 1.5rem; font-size: 0.85rem; }

    /* ===== 统计数字 ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
    .stat-item { text-align: center; padding: 2rem 1rem; background: var(--clr-bg-card); border-radius: var(--radius-md); border: 1px solid var(--clr-border); transition: all var(--transition); }
    .stat-item:hover { border-color: var(--clr-primary); transform: translateY(-2px); }
    .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--clr-primary); line-height: 1.1; letter-spacing: -0.02em; }
    .stat-label { font-size: 0.9rem; color: var(--clr-text-muted); margin-top: 0.35rem; }
    .stat-icon { font-size: 1.5rem; color: var(--clr-text-muted); margin-bottom: 0.5rem; }

    /* ===== 流程/时间线 ===== */
    .flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
    .flow-step { text-align: center; padding: 2rem 1.5rem; position: relative; }
    .flow-step:not(:last-child)::after {
        content: ''; position: absolute; right: -1rem; top: 3rem;
        width: 2rem; height: 2px; background: var(--clr-border);
    }
    .flow-step .step-num {
        width: 52px; height: 52px; border-radius: 50%; margin: 0 auto 1rem;
        background: var(--clr-primary); color: #0a0e1a; font-weight: 800; font-size: 1.3rem;
        display: flex; align-items: center; justify-content: center;
    }
    .flow-step h4 { margin-bottom: 0.4rem; }
    .flow-step p { font-size: 0.9rem; color: var(--clr-text-muted); margin-bottom: 0; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
    .faq-item { background: var(--clr-bg-card); border: 1px solid var(--clr-border); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); }
    .faq-item:hover { border-color: var(--clr-border-light); }
    .faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 1.5rem; text-align: left; font-weight: 600; font-size: 1rem; color: var(--clr-text); background: none; border: none; transition: color var(--transition); }
    .faq-question:hover { color: var(--clr-primary); }
    .faq-question i { color: var(--clr-primary); transition: transform var(--transition); font-size: 0.85rem; flex-shrink: 0; }
    .faq-item.open .faq-question i { transform: rotate(180deg); }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; padding: 0 1.5rem; }
    .faq-answer-inner { padding-bottom: 1.25rem; font-size: 0.92rem; color: var(--clr-text-secondary); }
    .faq-item.open .faq-answer { max-height: 300px; }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--clr-bg-alt); border-top: 1px solid var(--clr-border);
        border-bottom: 1px solid var(--clr-border); text-align: center;
    }
    .cta-content { max-width: 600px; margin: 0 auto; }
    .cta-content h2 { margin-bottom: 0.75rem; }
    .cta-content p { margin-bottom: 1.5rem; font-size: 1.05rem; }
    .cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--clr-bg-alt); border-top: 1px solid var(--clr-border); padding: 3rem 0 2rem; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
    .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 0.75rem; display: inline-flex; }
    .footer-brand p { font-size: 0.85rem; color: var(--clr-text-muted); max-width: 300px; }
    .footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--clr-text); text-transform: uppercase; letter-spacing: 0.5px; }
    .footer-col a { display: block; padding: 0.3rem 0; font-size: 0.88rem; color: var(--clr-text-muted); }
    .footer-col a:hover { color: var(--clr-primary); }
    .footer-bottom { border-top: 1px solid var(--clr-border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
    .footer-bottom p { font-size: 0.8rem; color: var(--clr-text-muted); margin-bottom: 0; }
    .footer-bottom a { color: var(--clr-text-muted); font-size: 0.8rem; }
    .footer-bottom a:hover { color: var(--clr-primary); }

    /* ===== 网格工具 ===== */
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
    .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
    .gap-lg { gap: 2rem; }

    /* ===== 标签 ===== */
    .tag { display: inline-block; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.75rem; font-weight: 500; background: var(--clr-bg-card); color: var(--clr-text-secondary); border: 1px solid var(--clr-border); }
    .tag-primary { background: rgba(245,158,11,0.12); color: var(--clr-primary-light); border-color: rgba(245,158,11,0.2); }

    /* ===== 空状态 ===== */
    .empty-state { text-align: center; padding: 2.5rem 1rem; color: var(--clr-text-muted); }
    .empty-state i { font-size: 2.5rem; margin-bottom: 0.75rem; display: block; }
    .empty-state p { font-size: 0.95rem; margin-bottom: 0; }

    /* ===== 背景特色板块 ===== */
    .featured-bg { position: relative; background: var(--clr-bg-alt); }
    .featured-bg::before {
        content: ''; position: absolute; inset: 0; z-index: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.08;
    }
    .featured-bg .container { position: relative; z-index: 1; }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .grid-4 { grid-template-columns: repeat(2, 1fr); }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .flow-grid { grid-template-columns: repeat(2, 1fr); }
        .flow-step:not(:last-child)::after { display: none; }
        .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
        :root { --header-height: 64px; --container-padding: 1rem; }
        .section { padding: 3rem 0; }

        .menu-toggle { display: block; }
        .nav-links {
            position: fixed; top: var(--header-height); left: 0; right: 0;
            background: rgba(10,14,26,0.98); backdrop-filter: blur(16px);
            flex-direction: column; padding: 1rem; gap: 0.25rem;
            border-bottom: 1px solid var(--clr-border);
            transform: translateY(-120%); opacity: 0; pointer-events: none;
            transition: all 0.35s ease;
        }
        .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
        .nav-links a { width: 100%; padding: 0.75rem 1rem; border-radius: var(--radius-sm); }
        .nav-search { max-width: 200px; margin: 0 0.5rem; }
        .nav-search input { padding: 0.4rem 0.75rem 0.4rem 2rem; font-size: 0.8rem; }
        .nav-search .search-icon { left: 0.6rem; font-size: 0.8rem; }

        .hero { min-height: 80vh; }
        .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }
        .hero p { font-size: 1rem; }

        .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
        .stat-number { font-size: 2rem; }
        .flow-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .cta-actions { flex-direction: column; align-items: center; }
        .hero-actions { flex-direction: column; align-items: flex-start; }
    }

    @media (max-width: 520px) {
        .nav-search { display: none; }
        .hero { min-height: 70vh; }
        .stats-grid { grid-template-columns: 1fr 1fr; }
        .stat-item { padding: 1.25rem 0.75rem; }
        .cat-card-body { padding: 1.25rem; }
        .card-body { padding: 1rem; }
        .faq-question { padding: 1rem 1.25rem; font-size: 0.9rem; }
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7a;
            --accent: #f4a261;
            --accent-dark: #e76f51;
            --bg-dark: #0d1117;
            --bg-darker: #06090e;
            --bg-card: #161b22;
            --bg-card-hover: #1c2333;
            --bg-surface: #0d1117;
            --text-primary: #f0f3f8;
            --text-secondary: #b0b8c8;
            --text-muted: #6e7681;
            --border-color: #30363d;
            --border-light: #21262d;
            --radius-sm: 6px;
            --radius-md: 12px;
            --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);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 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-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(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(6, 9, 14, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-logo i { color: var(--primary); font-size: 1.8rem; }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: var(--text-primary); }

        /* 搜索框 */
        .search-wrap {
            flex: 1;
            max-width: 460px;
            position: relative;
            margin: 0 12px;
        }
        .search-wrap input {
            width: 100%;
            padding: 10px 20px 10px 46px;
            border-radius: 100px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .search-wrap input::placeholder { color: var(--text-muted); }
        .search-wrap input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2); }
        .search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 1rem;
            pointer-events: none;
        }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: 100px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-links a i { font-size: 0.95rem; }
        .nav-links a:hover { color: var(--text-primary); background: var(--bg-card); }
        .nav-links a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 15px rgba(230, 57, 70, 0.35); }

        /* 移动菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .menu-toggle:hover { background: var(--bg-card); }

        @media (max-width: 900px) {
            .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(6,9,14,0.98); backdrop-filter: blur(18px); flex-direction: column; padding: 16px 24px 24px; gap: 4px; border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-lg); }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .menu-toggle { display: block; }
            .search-wrap { max-width: 240px; }
        }
        @media (max-width: 600px) {
            .header-inner { padding: 0 12px; gap: 10px; }
            .site-logo { font-size: 1.3rem; }
            .site-logo i { font-size: 1.4rem; }
            .search-wrap input { padding: 8px 14px 8px 38px; font-size: 0.82rem; }
            .search-wrap .search-icon { left: 12px; font-size: 0.85rem; }
        }

        /* ===== Article Hero / Banner ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-darker);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,9,14,0.75) 0%, rgba(6,9,14,0.92) 100%);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: var(--text-secondary); }
        .article-hero .breadcrumb a:hover { color: var(--primary-light); }
        .article-hero .breadcrumb span { color: var(--text-muted); }
        .article-hero .meta-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            max-width: 860px;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.5);
        }
        .article-hero .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-hero .article-meta i { margin-right: 6px; color: var(--primary-light); }
        @media (max-width: 768px) {
            .article-hero { padding: 60px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero .article-meta { gap: 14px; font-size: 0.82rem; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero { padding: 40px 0 30px; }
        }

        /* ===== Article Main Content ===== */
        .article-main {
            padding: 56px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .article-body .featured-image img { width: 100%; border-radius: var(--radius-md); }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2, .article-body .content h3 {
            color: var(--text-primary);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
        }
        .article-body .content h2 { font-size: 1.6rem; }
        .article-body .content h3 { font-size: 1.25rem; }
        .article-body .content ul, .article-body .content ol {
            padding-left: 1.6em;
            margin-bottom: 1.4em;
        }
        .article-body .content ul li { list-style: disc; margin-bottom: 0.4em; }
        .article-body .content ol li { list-style: decimal; margin-bottom: 0.4em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.4em 0;
            background: rgba(230,57,70,0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img { margin: 1.4em 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .article-not-found i { font-size: 3.6rem; color: var(--text-muted); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-secondary); margin-bottom: 24px; }
        .article-not-found .btn-back { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; border-radius: 100px; background: var(--primary); color: #fff; font-weight: 600; transition: var(--transition); }
        .article-not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(230,57,70,0.3); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 12px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-related a {
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 0.92rem;
            line-height: 1.4;
        }
        .sidebar-related a:last-child { border-bottom: none; }
        .sidebar-related a:hover { color: var(--primary-light); padding-left: 6px; }
        .sidebar-related .related-date { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .sidebar-cats a:last-child { border-bottom: none; }
        .sidebar-cats a:hover { color: var(--primary-light); padding-left: 4px; }
        .sidebar-cats a span { background: var(--bg-dark); padding: 2px 12px; border-radius: 100px; font-size: 0.78rem; color: var(--text-muted); }

        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 600px) {
            .article-body { padding: 24px 18px; }
            .article-sidebar { grid-template-columns: 1fr; }
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg-darker);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-section .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 40px;
        }
        .faq-grid {
            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-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i { color: var(--primary); font-size: 1.1rem; transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .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: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 600px) {
            .faq-section .section-title { font-size: 1.5rem; }
            .faq-question { padding: 14px 16px; font-size: 0.92rem; }
            .faq-answer { font-size: 0.88rem; }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: var(--bg-darker);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6,9,14,0.88) 0%, rgba(13,17,23,0.92) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
        .cta-section p { color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-primary, .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-primary { background: var(--primary); color: #fff; border: 2px solid var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(230,57,70,0.3); color: #fff; }
        .btn-outline { background: transparent; color: var(--text-primary); border: 2px solid var(--border-color); }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary-light); transform: translateY(-3px); }
        @media (max-width: 600px) {
            .cta-section { padding: 48px 0; }
            .cta-section h2 { font-size: 1.5rem; }
            .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.9rem; width: 100%; justify-content: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            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 { font-size: 1.5rem; margin-bottom: 16px; display: inline-flex; }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
        .footer-col h4 { font-size: 1rem; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); border-bottom: 1px solid var(--border-light); padding-bottom: 10px; }
        .footer-col a { display: block; color: var(--text-muted); font-size: 0.9rem; 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-light);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Scroll to Top ===== */
        .scroll-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            z-index: 99;
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: var(--transition);
            cursor: pointer;
        }
        .scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
        .scroll-top:hover { background: var(--primary-dark); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(230,57,70,0.3); }
        @media (max-width: 600px) {
            .scroll-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1rem; }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        .animate-fade-up { animation: fadeUp 0.7s ease forwards; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #f0b90b;
            --primary-dark: #d4a309;
            --primary-light: #fcd34d;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #e74c3c;
            --accent-dark: #c0392b;
            --bg-dark: #0d0d1a;
            --bg-card: #16162a;
            --bg-card-hover: #1e1e38;
            --bg-section: #111122;
            --text-light: #f5f5f5;
            --text-body: #d1d5db;
            --text-muted: #8899aa;
            --border-color: #2a2a4a;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --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 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(240, 185, 11, 0.15);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-dark);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(13, 13, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 42, 74, 0.5);
            height: var(--header-height);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(13, 13, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 24px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--primary);
            font-size: 28px;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--text-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--border-radius-sm);
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a i {
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--text-light);
            background: rgba(240, 185, 11, 0.08);
        }
        .nav-links a:hover i {
            color: var(--primary);
        }
        .nav-links a.active {
            color: var(--text-light);
            background: rgba(240, 185, 11, 0.12);
        }
        .nav-links a.active i {
            color: var(--primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .nav-cta .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 6px 6px 6px 16px;
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-cta .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.15);
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-cta .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 14px;
            width: 100%;
            padding: 6px 0;
        }
        .nav-cta .search-box input::placeholder {
            color: var(--text-muted);
        }
        .nav-cta .search-box button {
            background: var(--primary);
            border: none;
            color: var(--secondary);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 14px;
        }
        .nav-cta .search-box button:hover {
            background: var(--primary-light);
            transform: scale(1.05);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 120px 0 80px;
            min-height: 360px;
            display: flex;
            align-items: center;
            background: var(--bg-section);
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            filter: saturate(1.1);
        }
        .page-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.88) 0%, rgba(13, 13, 26, 0.6) 50%, rgba(13, 13, 26, 0.88) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.15;
        }
        .page-hero h1 i {
            color: var(--primary);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .page-hero .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .page-hero .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(240, 185, 11, 0.12);
            color: var(--primary-light);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid rgba(240, 185, 11, 0.2);
        }
        .page-hero .hero-tags span i {
            font-size: 14px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-section);
        }
        .section-card {
            background: var(--bg-card);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-title p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-line {
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 16px auto 0;
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 48px;
        }
        .category-tabs .tab-btn {
            padding: 10px 24px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-tabs .tab-btn i {
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .category-tabs .tab-btn:hover {
            border-color: var(--primary);
            color: var(--text-light);
            background: rgba(240, 185, 11, 0.06);
        }
        .category-tabs .tab-btn:hover i {
            color: var(--primary);
        }
        .category-tabs .tab-btn.active {
            background: var(--primary);
            color: var(--secondary);
            border-color: var(--primary);
            font-weight: 600;
        }
        .category-tabs .tab-btn.active i {
            color: var(--secondary);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .event-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(240, 185, 11, 0.3);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .event-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .event-card:hover .card-img img {
            transform: scale(1.06);
        }
        .event-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 14px;
            border-radius: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .event-card .card-img .card-badge.live {
            background: var(--primary);
            color: var(--secondary);
        }
        .event-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 10px;
            background: rgba(240, 185, 11, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 10px;
            width: fit-content;
        }
        .event-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .event-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .event-card .card-body .card-meta .date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card .card-body .card-meta .date i {
            color: var(--primary);
        }
        .event-card .card-body .card-meta .btn-sm {
            padding: 6px 16px;
            border-radius: 16px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .event-card .card-body .card-meta .btn-sm:hover {
            background: var(--primary);
            color: var(--secondary);
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--primary-dark), transparent);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 40px 30px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item .tl-dot {
            position: absolute;
            left: -26px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--bg-dark);
            box-shadow: 0 0 0 3px rgba(240, 185, 11, 0.3);
        }
        .timeline-item .tl-date {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
        }
        .timeline-item .tl-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .timeline-item .tl-tag {
            display: inline-block;
            margin-top: 8px;
            padding: 2px 12px;
            border-radius: 10px;
            background: rgba(231, 76, 60, 0.15);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: rgba(240, 185, 11, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-item .stat-icon {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .stat-item .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
        }
        .stat-item .stat-number span {
            color: var(--primary);
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 185, 11, 0.2);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-light);
            font-size: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            background: rgba(240, 185, 11, 0.04);
        }
        .faq-item .faq-question i {
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question .faq-toggle {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-muted);
            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(--secondary) 0%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 72px 0;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cta-section h2 i {
            color: var(--primary);
        }
        .cta-section p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 28px;
            background: var(--primary);
            color: var(--secondary);
            font-weight: 700;
            font-size: 17px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .cta-section .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(240, 185, 11, 0.3);
        }
        .cta-section .btn-primary i {
            font-size: 18px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            font-size: 22px;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            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);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 20px;
            color: var(--primary);
        }
        .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: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .page-hero h1 {
                font-size: 40px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(13, 13, 26, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                backdrop-filter: blur(20px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--border-radius-sm);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(240, 185, 11, 0.12);
            }
            .nav-cta .search-box {
                min-width: 140px;
            }
            .mobile-toggle {
                display: block;
            }
            .page-hero {
                padding: 100px 0 60px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero p {
                font-size: 17px;
            }
            .section {
                padding: 56px 0;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item {
                padding: 24px 16px;
            }
            .stat-item .stat-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 10px;
            }
            .timeline-item {
                padding-left: 20px;
            }
            .timeline-item .tl-dot {
                left: -18px;
                width: 14px;
                height: 14px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .category-tabs .tab-btn {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .page-hero .hero-tags span {
                font-size: 12px;
                padding: 4px 12px;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .section-title p {
                font-size: 15px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .stat-item .stat-label {
                font-size: 13px;
            }
            .event-card .card-body h3 {
                font-size: 17px;
            }
            .nav-cta .search-box {
                min-width: 100px;
            }
            .nav-cta .search-box input {
                font-size: 13px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-section .btn-primary {
                padding: 12px 28px;
                font-size: 15px;
            }
        }