/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a6b3c;
            --primary-dark: #0f4d2a;
            --primary-light: #2a8a52;
            --secondary: #d4a843;
            --secondary-light: #e8c56a;
            --secondary-dark: #b88e2e;
            --bg: #f4f6f8;
            --bg-white: #ffffff;
            --bg-dark: #0f1a14;
            --text: #1a1a2e;
            --text-light: #5a6a7a;
            --text-white: #f0f4f0;
            --border: #e2e6ea;
            --border-light: #f0f2f4;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0,0,0,0.06);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-dock: 0 4px 20px rgba(0,0,0,0.08);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --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);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { font-size: 2.2rem; text-align: center; margin-bottom: 16px; }
        .section-sub { font-size: 1.1rem; color: var(--text-light); text-align: center; max-width: 640px; margin: 0 auto 48px; }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: 50px;
            font-weight: 600; font-size: 1rem;
            transition: var(--transition); border: 2px solid transparent;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,107,60,0.3); }
        .btn-secondary { background: var(--secondary); color: #1a1a2e; }
        .btn-secondary:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,168,67,0.3); }
        .btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-white { background: #fff; color: var(--primary); }
        .btn-white:hover { background: var(--bg); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
        .btn-lg { padding: 16px 36px; font-size: 1.1rem; }

        /* ===== Nav / Dock ===== */
        .site-header {
            position: fixed; top: 16px; left: 0; right: 0; z-index: 1000;
            display: flex; justify-content: center;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex; align-items: center; gap: 8px;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-radius: 60px;
            padding: 8px 24px;
            box-shadow: var(--shadow-dock);
            border: 1px solid rgba(255,255,255,0.5);
            max-width: 92vw;
            width: auto;
            min-width: 320px;
            transition: var(--transition);
        }
        .nav-brand {
            font-size: 1.25rem; font-weight: 800;
            color: var(--primary); letter-spacing: -0.3px;
            padding: 4px 12px 4px 4px;
            margin-right: 12px;
            display: flex; align-items: center; gap: 6px;
        }
        .nav-brand i { font-size: 1.4rem; color: var(--secondary); }
        .nav-links { display: flex; align-items: center; gap: 4px; }
        .nav-links a {
            padding: 8px 16px; border-radius: 40px;
            font-size: 0.9rem; font-weight: 500;
            color: var(--text-light); transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { background: rgba(26,107,60,0.08); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: #fff; }
        .nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
        .nav-search {
            display: flex; align-items: center;
            background: var(--bg); border-radius: 40px;
            padding: 6px 12px 6px 16px; gap: 6px;
            border: 1px solid var(--border); transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,107,60,0.12); }
        .nav-search input {
            border: none; background: transparent; outline: none;
            width: 100px; font-size: 0.85rem; color: var(--text);
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-search button { color: var(--text-light); font-size: 0.9rem; padding: 4px; }
        .nav-search button:hover { color: var(--primary); }
        .nav-toggle { display: none; font-size: 1.3rem; padding: 8px 12px; color: var(--text); }

        /* Mobile nav */
        @media (max-width: 820px) {
            .site-header { top: 12px; }
            .nav-dock { padding: 6px 16px; min-width: unset; width: auto; border-radius: 40px; }
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: calc(100% + 12px); left: 0; right: 0; background: rgba(255,255,255,0.96); backdrop-filter: blur(16px); border-radius: 24px; padding: 12px; box-shadow: var(--shadow); border: 1px solid var(--border); }
            .nav-links.open a { width: 100%; text-align: center; padding: 12px 16px; }
            .nav-toggle { display: block; }
            .nav-search input { width: 80px; }
            .nav-actions .btn span { display: none; }
        }
        @media (max-width: 480px) {
            .nav-dock { padding: 4px 12px; gap: 4px; }
            .nav-brand { font-size: 1.05rem; margin-right: 4px; }
            .nav-search { display: none; }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #0f1a14 0%, #1a2e22 40%, #0f2a1a 100%);
            position: relative; overflow: hidden;
            padding: 120px 24px 80px;
        }
        .hero-bg {
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26,107,60,0.25) 0%, transparent 70%);
        }
        .hero-content {
            position: relative; z-index: 2;
            text-align: center; max-width: 800px;
            color: var(--text-white);
        }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(212,168,67,0.2); border: 1px solid rgba(212,168,67,0.3);
            padding: 8px 20px; border-radius: 40px;
            font-size: 0.85rem; color: var(--secondary-light);
            margin-bottom: 24px; letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: 3.4rem; font-weight: 800;
            color: #fff; margin-bottom: 20px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 30%, #c8e6d0 70%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem; color: rgba(255,255,255,0.75);
            max-width: 600px; margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-stats {
            display: flex; gap: 40px; justify-content: center; margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat-num { font-size: 2.4rem; font-weight: 800; color: #fff; }
        .hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 1.8rem; }
        }
        @media (max-width: 480px) {
            .hero { padding: 100px 16px 60px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-actions .btn { width: 100%; justify-content: center; }
        }

        /* ===== Section Alternating ===== */
        .section-alt { background: var(--bg-white); }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: var(--transition);
            overflow: hidden; border: 1px solid var(--border-light);
        }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 20px 24px 24px; }
        .card-tag {
            display: inline-block; padding: 4px 12px; border-radius: 20px;
            font-size: 0.75rem; font-weight: 600; background: rgba(26,107,60,0.08);
            color: var(--primary); margin-bottom: 10px;
        }
        .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .card-title a { color: var(--text); }
        .card-title a:hover { color: var(--primary); }
        .card-text { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; margin-bottom: 12px; }
        .card-meta { font-size: 0.8rem; color: var(--text-light); display: flex; gap: 16px; align-items: center; }
        .card-meta i { margin-right: 4px; }

        /* ===== Grid ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .grid-3, .grid-2 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }
        }
        @media (max-width: 520px) {
            .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; gap: 16px; }
            .section { padding: 40px 0; }
            .section-title { font-size: 1.4rem; }
        }

        /* ===== Category Cards ===== */
        .cat-card {
            background: var(--bg-white); border-radius: var(--radius);
            padding: 32px 24px; text-align: center;
            box-shadow: var(--shadow); border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .cat-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: rgba(26,107,60,0.08); display: flex; align-items: center; justify-content: center;
            margin: 0 auto 16px; font-size: 1.6rem; color: var(--primary);
            transition: var(--transition);
        }
        .cat-card:hover .cat-icon { background: var(--primary); color: #fff; }
        .cat-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .cat-card p { font-size: 0.85rem; color: var(--text-light); line-height: 1.5; }

        /* ===== Feature Section ===== */
        .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .feature-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .feature-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
        .feature-content h2 { font-size: 2rem; margin-bottom: 16px; }
        .feature-content p { color: var(--text-light); line-height: 1.7; margin-bottom: 16px; font-size: 1rem; }
        .feature-list { margin-top: 20px; }
        .feature-list li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; font-size: 0.95rem; }
        .feature-list li i { color: var(--primary); font-size: 1.1rem; margin-top: 3px; }

        @media (max-width: 768px) {
            .feature-grid { grid-template-columns: 1fr; gap: 32px; }
            .feature-content h2 { font-size: 1.5rem; }
            .feature-grid.reverse { direction: ltr; }
        }

        /* ===== Stats ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item {
            text-align: center; padding: 32px 16px;
            background: var(--bg-white); border-radius: var(--radius);
            box-shadow: var(--shadow); border: 1px solid var(--border-light);
        }
        .stat-num { font-size: 2.6rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-label { font-size: 0.9rem; color: var(--text-light); margin-top: 6px; }

        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; } .stat-num { font-size: 1.8rem; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white); border-radius: var(--radius-sm);
            border: 1px solid var(--border); margin-bottom: 12px;
            overflow: hidden; transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-q {
            padding: 18px 24px; display: flex; justify-content: space-between; align-items: center;
            font-weight: 600; cursor: pointer; font-size: 1rem;
            background: transparent; width: 100%; text-align: left; color: var(--text);
        }
        .faq-q i { transition: var(--transition); color: var(--primary); font-size: 0.9rem; }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a {
            padding: 0 24px; max-height: 0; overflow: hidden;
            transition: var(--transition); color: var(--text-light); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.open .faq-a { padding: 0 24px 18px; max-height: 300px; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 80px 24px; text-align: center; border-radius: 0;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-content { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { font-size: 2.2rem; color: #fff; margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 32px; line-height: 1.7; }
        .cta-content .btn-white { font-size: 1.05rem; padding: 16px 36px; }

        @media (max-width: 768px) { .cta-section { padding: 56px 20px; } .cta-content h2 { font-size: 1.6rem; } }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7);
            padding: 56px 24px 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .nav-brand { color: #fff; font-size: 1.3rem; padding-left: 0; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; letter-spacing: 0.3px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.88rem; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px; display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px; font-size: 0.82rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary-light); }

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Empty State ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-light); }
        .empty-state i { font-size: 2.4rem; color: var(--border); margin-bottom: 16px; }
        .empty-state p { font-size: 1rem; }

        /* ===== CMS Article List ===== */
        .article-list { margin-top: 8px; }
        .article-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-light); }
        .article-item:last-child { border-bottom: none; }
        .article-thumb { width: 160px; min-height: 100px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--border); }
        .article-thumb img { width: 100%; height: 100%; object-fit: cover; }
        .article-info { flex: 1; }
        .article-info h3 { font-size: 1.05rem; margin-bottom: 6px; }
        .article-info h3 a { color: var(--text); }
        .article-info h3 a:hover { color: var(--primary); }
        .article-excerpt { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; margin-bottom: 8px; }
        .article-meta { font-size: 0.8rem; color: var(--text-light); display: flex; gap: 20px; flex-wrap: wrap; }
        .article-meta span i { margin-right: 4px; }

        @media (max-width: 640px) {
            .article-item { flex-direction: column; gap: 12px; }
            .article-thumb { width: 100%; min-height: 140px; }
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed; bottom: 32px; right: 32px; z-index: 999;
            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: 0 4px 16px rgba(26,107,60,0.3);
            opacity: 0; visibility: hidden; transition: var(--transition);
            border: 2px solid transparent;
        }
        .back-top.visible { opacity: 1; visibility: visible; }
        .back-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

        /* ===== Misc ===== */
        .divider { width: 60px; height: 4px; background: var(--secondary); border-radius: 4px; margin: 0 auto 24px; }
        .tag {
            display: inline-block; padding: 4px 14px; border-radius: 20px;
            font-size: 0.78rem; font-weight: 600;
            background: rgba(26,107,60,0.08); color: var(--primary);
        }
        .tag-gold { background: rgba(212,168,67,0.12); color: var(--secondary-dark); }
        .badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 12px; font-size: 0.72rem; font-weight: 600; background: var(--border); color: var(--text-light); }
        .badge-primary { background: var(--primary); color: #fff; }
        .badge-secondary { background: var(--secondary); color: #1a1a2e; }
        .gap-8 { gap: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-24 { margin-bottom: 24px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 360px) {
            .hero h1 { font-size: 1.5rem; }
            .btn { padding: 10px 20px; font-size: 0.9rem; }
            .container { padding: 0 12px; }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3c5e;
            --primary-light: #2a5a8a;
            --primary-dark: #0f2a42;
            --secondary: #f5b042;
            --secondary-light: #fcd48a;
            --secondary-dark: #d4922a;
            --accent: #e85d3a;
            --bg: #f8f6f2;
            --bg-alt: #efece6;
            --bg-dark: #1a2c3e;
            --text: #1e2a36;
            --text-light: #5a6a7a;
            --text-white: #f0ede8;
            --border: #ddd8d0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0,0,0,0.07);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-dock: 0 4px 20px rgba(0,0,0,0.06);
            --transition: 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary-dark); font-weight: 700; }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }

        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
            border-radius: 50px; font-weight: 600; font-size: 0.95rem;
            transition: all var(--transition); border: 2px solid transparent;
            text-decoration: none; white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary); color: var(--primary-dark); border-color: var(--secondary);
        }
        .btn-primary:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,176,66,0.35); }
        .btn-outline {
            background: transparent; color: var(--text-white); border-color: var(--text-white);
        }
        .btn-outline:hover { background: rgba(255,255,255,0.15); color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }

        /* ===== Tags / Badges ===== */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px;
            background: rgba(26,60,94,0.08); color: var(--primary-light);
        }
        .badge-secondary { background: rgba(245,176,66,0.18); color: var(--secondary-dark); }

        /* ===== Header / Dock Navigation ===== */
        .site-header {
            position: fixed; top: 16px; left: 0; right: 0; z-index: 1000;
            display: flex; justify-content: center; pointer-events: none;
        }
        .nav-dock {
            pointer-events: all; display: flex; align-items: center; gap: 12px;
            background: rgba(255,255,255,0.88); backdrop-filter: blur(18px) saturate(1.3);
            padding: 8px 20px; border-radius: 60px;
            box-shadow: var(--shadow-dock); border: 1px solid rgba(255,255,255,0.5);
            width: 100%; max-width: 960px; transition: all var(--transition);
        }
        .nav-brand {
            display: flex; align-items: center; gap: 8px; font-size: 1.2rem;
            font-weight: 800; color: var(--primary-dark); letter-spacing: -0.3px;
            text-decoration: none; white-space: nowrap; margin-right: 8px;
        }
        .nav-brand i { color: var(--secondary); font-size: 1.3rem; }
        .nav-links { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
        .nav-links a {
            padding: 6px 16px; border-radius: 40px; font-size: 0.9rem; font-weight: 500;
            color: var(--text-light); transition: all var(--transition); text-decoration: none;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(26,60,94,0.06); }
        .nav-links a.active { color: var(--primary-dark); background: rgba(245,176,66,0.2); font-weight: 600; }
        .nav-actions { display: flex; align-items: center; gap: 10px; }
        .nav-search {
            display: flex; align-items: center; background: var(--bg); border-radius: 40px;
            padding: 0 4px 0 16px; border: 1px solid var(--border); transition: all var(--transition);
        }
        .nav-search:focus-within { border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(245,176,66,0.15); }
        .nav-search input { border: none; background: transparent; padding: 8px 0; font-size: 0.85rem; color: var(--text); outline: none; width: 100px; }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-search button { padding: 6px 12px; color: var(--text-light); border-radius: 40px; transition: color var(--transition); }
        .nav-search button:hover { color: var(--primary); }
        .nav-toggle { display: none; padding: 8px 12px; font-size: 1.3rem; color: var(--text); }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 120px 0 60px; position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12; mix-blend-mode: overlay;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .badge { background: rgba(245,176,66,0.25); color: var(--secondary-light); margin-bottom: 12px; }
        .article-hero h1 { color: #fff; font-size: 2.6rem; max-width: 800px; margin-bottom: 16px; line-height: 1.25; }
        .article-hero .meta-line { display: flex; flex-wrap: wrap; gap: 16px 28px; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
        .article-hero .meta-line i { margin-right: 6px; color: var(--secondary); }

        /* ===== Article Content ===== */
        .article-section { padding: 60px 0; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
        .article-body { background: #fff; border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
        .article-body .featured-image { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 32px; }
        .article-body .featured-image img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .article-body .content-body { font-size: 1.05rem; line-height: 1.9; color: var(--text); }
        .article-body .content-body p { margin-bottom: 1.4em; }
        .article-body .content-body h2, .article-body .content-body h3 { margin-top: 1.8em; margin-bottom: 0.6em; }
        .article-body .content-body img { border-radius: var(--radius-sm); margin: 1.6em 0; }
        .article-body .content-body ul, .article-body .content-body ol { margin-bottom: 1.4em; padding-left: 1.6em; }
        .article-body .content-body li { margin-bottom: 0.4em; list-style: disc; }
        .article-body .content-body a { color: var(--secondary-dark); text-decoration: underline; }
        .article-body .content-body blockquote {
            border-left: 4px solid var(--secondary); padding: 16px 24px; margin: 1.6em 0;
            background: var(--bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-light);
            font-style: italic;
        }
        .article-body .content-body .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; padding-left: 0; }
        .article-body .content-body .tag-list li { list-style: none; }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card { background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
        .sidebar-card h3 { font-size: 1.1rem; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
        .sidebar-card h3 i { color: var(--secondary); }
        .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-list a {
            display: flex; align-items: flex-start; gap: 12px; padding: 10px 0;
            border-bottom: 1px solid var(--border); transition: all var(--transition);
        }
        .sidebar-list a:last-child { border-bottom: none; }
        .sidebar-list a:hover { padding-left: 6px; }
        .sidebar-list .thumb { width: 60px; height: 60px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg-alt); }
        .sidebar-list .info { flex: 1; min-width: 0; }
        .sidebar-list .info .title { font-size: 0.9rem; font-weight: 600; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .sidebar-list .info .meta { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }
        .sidebar-list .info .meta i { margin-right: 4px; }

        .sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .sidebar-tags a {
            padding: 5px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 500;
            background: var(--bg); color: var(--text-light); transition: all var(--transition);
        }
        .sidebar-tags a:hover { background: var(--secondary); color: var(--primary-dark); }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0; text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section .btn { font-size: 1.05rem; padding: 14px 36px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.9rem; padding: 4px 0; transition: all var(--transition); text-decoration: none; }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
            display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
            font-size: 0.85rem;
        }
        .footer-bottom a { color: var(--secondary); text-decoration: none; }

        /* ===== Not Found ===== */
        .not-found-box { text-align: center; padding: 80px 40px; }
        .not-found-box i { font-size: 4rem; color: var(--secondary); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        }
        @media (max-width: 768px) {
            .nav-dock { padding: 6px 14px; gap: 8px; }
            .nav-links { display: none; flex-direction: column; position: absolute; top: calc(100% + 12px); left: 0; right: 0; background: rgba(255,255,255,0.96); backdrop-filter: blur(18px); border-radius: 24px; padding: 16px; box-shadow: var(--shadow-hover); border: 1px solid var(--border); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 10px 16px; width: 100%; text-align: center; }
            .nav-toggle { display: block; }
            .nav-search { display: none; }
            .nav-actions .btn span { display: none; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-body { padding: 24px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .cta-section h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero { padding: 100px 0 40px; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-body { padding: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .nav-dock { border-radius: 40px; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f1f33;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #c0392b;
            --bg: #f8f6f2;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-darker: #0f0f1a;
            --text: #1e1e2a;
            --text-light: #5a5a6e;
            --text-white: #f0efe8;
            --text-muted: #8a8a9a;
            --border: #e0ddd6;
            --border-light: #f0ede8;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.2, 0, 0, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', system-ui, sans-serif;
            --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);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.6vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.4vw, 1.6rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-light);
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .container {
                padding: 0 16px;
            }
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.1rem;
            color: var(--text-muted);
        }
        .section-subtitle {
            display: inline-block;
            background: var(--secondary);
            color: #1a1a2e;
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary);
            color: #1a1a2e;
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            border-color: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 168, 56, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 3px;
        }
        .btn-dark {
            background: var(--primary-dark);
            color: var(--text-white);
            border-color: var(--primary-dark);
        }
        .btn-dark:hover {
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 58, 92, 0.30);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 18px 44px;
            font-size: 1.1rem;
        }

        /* ===== Badges & Tags ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--border);
            color: var(--text-light);
        }
        .badge-hot {
            background: #fce4e4;
            color: #c0392b;
        }
        .badge-new {
            background: #e0f0e8;
            color: #1a7a4a;
        }
        .badge-secondary {
            background: var(--secondary);
            color: #1a1a2e;
        }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            padding: 12px 24px;
            pointer-events: none;
        }
        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(26, 26, 46, 0.88);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            padding: 10px 24px;
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.20);
            pointer-events: auto;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .nav-brand i {
            color: var(--secondary);
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #1a1a2e;
            background: var(--secondary);
            font-weight: 600;
        }
        .nav-links a.active:hover {
            background: var(--secondary-light);
            color: #1a1a2e;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 4px 4px 4px 16px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--secondary);
        }
        .nav-search input {
            background: transparent;
            color: var(--text-white);
            padding: 6px 8px;
            font-size: 0.85rem;
            min-width: 120px;
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .nav-search button {
            color: rgba(255, 255, 255, 0.5);
            padding: 8px 14px;
            cursor: pointer;
            border-radius: 40px;
            transition: var(--transition);
        }
        .nav-search button:hover {
            color: var(--secondary);
        }
        .nav-toggle {
            display: none;
            color: var(--text-white);
            font-size: 1.3rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 820px) {
            .site-header {
                padding: 10px 12px;
            }
            .nav-dock {
                padding: 8px 16px;
                border-radius: 40px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(26, 26, 46, 0.96);
                backdrop-filter: blur(20px);
                border-radius: 24px;
                padding: 16px;
                border: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 18px;
                width: 100%;
                text-align: center;
                font-size: 1rem;
            }
            .nav-search {
                display: none;
            }
            .nav-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-actions {
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .nav-dock {
                padding: 6px 12px;
                border-radius: 32px;
            }
            .nav-brand {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-brand i {
                font-size: 1.2rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-white);
            padding: 120px 24px 80px;
            margin-top: 0;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(145deg, rgba(15, 15, 26, 0.80) 0%, rgba(26, 58, 92, 0.55) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .category-hero .hero-content h1 {
            color: var(--text-white);
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero .hero-content p {
            color: rgba(255, 255, 255, 0.80);
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--secondary);
            color: #1a1a2e;
            padding: 6px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 60vh;
                padding: 100px 16px 60px;
            }
            .category-hero .hero-content p {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 280px;
            }
        }

        /* ===== Guide Overview ===== */
        .guide-overview {
            background: var(--bg-card);
        }
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .overview-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .overview-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--secondary);
        }
        .overview-card .icon {
            font-size: 2.6rem;
            color: var(--secondary);
            margin-bottom: 18px;
            display: inline-block;
        }
        .overview-card h3 {
            margin-bottom: 10px;
        }
        .overview-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        @media (max-width: 820px) {
            .overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .overview-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .overview-card {
                padding: 24px 20px;
            }
        }

        /* ===== Category Cards ===== */
        .category-section {
            background: var(--bg);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--secondary);
        }
        .category-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--border);
        }
        .category-card .card-body {
            padding: 24px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .category-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .category-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .category-card .card-footer .badge {
            font-size: 0.75rem;
        }
        .category-card .card-footer .link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-card .card-footer .link:hover {
            color: var(--secondary-dark);
            gap: 10px;
        }
        @media (max-width: 920px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 560px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-card .card-img {
                height: 180px;
            }
        }

        /* ===== Hot Events ===== */
        .hot-events {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .hot-events .section-title h2 {
            color: var(--text-white);
        }
        .hot-events .section-title p {
            color: rgba(255, 255, 255, 0.55);
        }
        .hot-events .section-subtitle {
            background: var(--secondary);
            color: #1a1a2e;
        }
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .event-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--secondary);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .event-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .event-card .card-body {
            padding: 22px 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .event-tag {
            display: inline-block;
            background: var(--secondary);
            color: #1a1a2e;
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .event-card .card-body h3 {
            color: var(--text-white);
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .event-card .card-body .meta {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.85rem;
            margin-bottom: 12px;
            display: flex;
            gap: 16px;
        }
        .event-card .card-body .meta i {
            margin-right: 4px;
        }
        .event-card .card-body p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 0;
            flex: 1;
        }
        .event-card .card-body .btn {
            align-self: flex-start;
            margin-top: 16px;
        }
        @media (max-width: 920px) {
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 560px) {
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-card .card-img {
                height: 160px;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--bg-card);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-item {
            padding: 32px 16px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--secondary);
        }
        .stat-item .number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 820px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .number {
                font-size: 2rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 780px;
            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);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--secondary);
        }
        .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);
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 1.2rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media (max-width: 600px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative;
            color: var(--text-white);
            text-align: center;
            padding: 100px 24px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.82), rgba(26, 58, 92, 0.70));
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn {
            font-size: 1.05rem;
            padding: 16px 40px;
        }
        @media (max-width: 600px) {
            .cta-section {
                padding: 64px 16px;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-brand {
            font-size: 1.3rem;
            color: #fff;
            padding: 0;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a {
            color: var(--secondary);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }
        @media (max-width: 820px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .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;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

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

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeUp 0.6s ease forwards;
        }
        .animate-in-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-in-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-in-delay-3 {
            animation-delay: 0.3s;
        }