/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #e8a838;
            --primary-dark: #c88a1a;
            --primary-light: #f0c060;
            --primary-gradient: linear-gradient(135deg, #e8a838 0%, #d4942a 50%, #c88a1a 100%);
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4e;
            --bg-dark: #0a0a14;
            --bg-section: #0e0e1a;
            --bg-card: #141428;
            --bg-card-hover: #1c1c38;
            --text-primary: #ffffff;
            --text-secondary: #b8b8c8;
            --text-muted: #787890;
            --border-color: rgba(232, 168, 56, 0.15);
            --border-hover: rgba(232, 168, 56, 0.4);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
            --shadow: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(232, 168, 56, 0.15);
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --nav-height: 72px;
            --container-max: 1200px;
            --container-padding: 24px;
        }

        /* ===== 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-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.2; font-weight: 700; }
        h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { color: var(--text-secondary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--container-padding);
        }
        .container-wide { max-width: 1360px; }

        /* ===== Section ===== */
        .section { padding: 80px 0; position: relative; }
        .section-dark { background: var(--bg-section); }
        .section-divider { border-top: 1px solid var(--border-color); }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--primary-gradient);
            margin: 12px auto 0;
            border-radius: 4px;
        }
        .section-title p {
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            background: rgba(232,168,56,0.12);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            border: 1px solid rgba(232,168,56,0.2);
        }

        /* ===== Floating Dock Navigation ===== */
        .header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 20px;
            pointer-events: none;
        }
        .header .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(20, 20, 40, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 8px 24px;
            max-width: 1100px;
            width: 100%;
            pointer-events: auto;
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header .nav-dock:hover {
            border-color: rgba(232,168,56,0.3);
            box-shadow: var(--shadow-lg), 0 0 40px rgba(232,168,56,0.08);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-gradient);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 900;
            color: var(--bg-dark);
            box-shadow: 0 0 20px rgba(232,168,56,0.25);
        }
        .nav-logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(232,168,56,0.08);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(232,168,56,0.12);
            border: 1px solid rgba(232,168,56,0.2);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            transition: all var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: rgba(232,168,56,0.06);
        }
        .nav-search input {
            background: none;
            border: none;
            color: var(--text-primary);
            padding: 4px 8px;
            font-size: 0.85rem;
            width: 120px;
            transition: width var(--transition);
        }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search input:focus { width: 180px; }
        .nav-search i { color: var(--text-muted); font-size: 0.85rem; }
        .nav-cta {
            padding: 8px 22px;
            background: var(--primary-gradient);
            color: var(--bg-dark);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(232,168,56,0.25);
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(232,168,56,0.35);
            color: var(--bg-dark);
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 8px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            cursor: pointer;
        }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: linear-gradient(135deg, #0a0a14 0%, #141428 40%, #1a1a2e 100%);
            overflow: hidden;
            padding: 120px 20px 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
            -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232,168,56,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(232,168,56,0.04) 0%, transparent 50%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232,168,56,0.12);
            border: 1px solid rgba(232,168,56,0.2);
            padding: 6px 20px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4.2rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 0%, #e8a838 50%, #f0c060 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 14px 36px;
            background: var(--primary-gradient);
            color: var(--bg-dark);
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 24px rgba(232,168,56,0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(232,168,56,0.4);
            color: var(--bg-dark);
        }
        .btn-outline {
            padding: 14px 36px;
            border: 2px solid var(--border-hover);
            color: var(--text-primary);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255,255,255,0.04);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(232,168,56,0.08);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* ===== Countdown ===== */
        .hero-countdown {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 16px 24px;
            min-width: 80px;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .countdown-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }
        .countdown-item .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 6px;
            display: block;
        }

        /* ===== Feature Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow), var(--shadow-glow);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: rgba(232,168,56,0.1);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--primary);
            border: 1px solid rgba(232,168,56,0.15);
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: rgba(232,168,56,0.18);
            border-color: rgba(232,168,56,0.3);
            transform: scale(1.05);
        }
        .feature-card h3 { margin-bottom: 12px; font-size: 1.2rem; }
        .feature-card p { font-size: 0.92rem; color: var(--text-muted); }

        /* ===== Category Entry ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            min-height: 240px;
            display: flex;
            align-items: stretch;
        }
        .category-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .category-card .cat-img {
            width: 40%;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .category-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .cat-img img { transform: scale(1.06); }
        .category-card .cat-img::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 40px;
            background: linear-gradient(to right, transparent, var(--bg-card));
        }
        .category-card .cat-body {
            padding: 28px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .category-card .cat-body h3 { margin-bottom: 8px; font-size: 1.3rem; }
        .category-card .cat-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
        .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: gap var(--transition);
        }
        .cat-tag i { font-size: 0.75rem; transition: transform var(--transition); }
        .category-card:hover .cat-tag i { transform: translateX(4px); }
        .cat-tag:hover { color: var(--primary-light); }

        /* ===== CMS List / Latest Posts ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .post-card .post-cat {
            display: inline-block;
            background: rgba(232,168,56,0.1);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
            border: 1px solid rgba(232,168,56,0.15);
        }
        .post-card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
        .post-card h3 a { color: var(--text-primary); transition: color var(--transition); }
        .post-card h3 a:hover { color: var(--primary); }
        .post-card p { font-size: 0.88rem; color: var(--text-muted); flex: 1; margin-bottom: 12px; }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .post-card .post-meta i { margin-right: 4px; }
        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
        }

        /* ===== Stats Section ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            transition: all var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--bg-dark);
            box-shadow: 0 4px 12px rgba(232,168,56,0.3);
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
            margin-top: 8px;
        }
        .step-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.85rem; color: var(--text-muted); }

        /* ===== FAQ ===== */
        .faq-list {
            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(--radius);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover { border-color: var(--border-hover); }
        .faq-item.open { border-color: var(--border-hover); }
        .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: background var(--transition);
            gap: 16px;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question:hover { background: rgba(232,168,56,0.04); }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #141428 0%, #1a1a2e 50%, #141428 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-box {
            text-align: center;
            padding: 60px 20px;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 { margin-bottom: 16px; }
        .cta-box p { font-size: 1.05rem; margin-bottom: 32px; color: var(--text-secondary); }
        .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .nav-logo { margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 300px; }
        .footer h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-primary); }
        .footer ul li { margin-bottom: 8px; }
        .footer ul a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer ul a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary); }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 46px;
            height: 46px;
            background: var(--primary-gradient);
            border: none;
            border-radius: 50%;
            color: var(--bg-dark);
            font-size: 1.1rem;
            cursor: pointer;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
        .back-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
        }
        @media (max-width: 768px) {
            .header { top: 12px; padding: 0 12px; }
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 12px);
                left: 12px;
                right: 12px;
                background: rgba(20,20,40,0.95);
                backdrop-filter: blur(20px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-lg);
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open a { padding: 12px 18px; width: 100%; text-align: center; }
            .nav-toggle { display: block; }
            .nav-search input { width: 80px; }
            .nav-search input:focus { width: 120px; }
            .nav-cta { display: none; }
            .hero { padding: 100px 16px 60px; min-height: auto; }
            .hero-countdown { gap: 12px; }
            .countdown-item { padding: 12px 16px; min-width: 60px; }
            .countdown-item .num { font-size: 1.5rem; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .category-card { flex-direction: column; min-height: auto; }
            .category-card .cat-img { width: 100%; height: 200px; }
            .category-card .cat-img::after { display: none; }
            .posts-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section { padding: 56px 0; }
            .section-title { margin-bottom: 32px; }
        }
        @media (max-width: 480px) {
            :root { --container-padding: 16px; }
            .nav-dock { padding: 6px 14px; }
            .nav-logo { font-size: 1rem; }
            .nav-logo .logo-icon { width: 30px; height: 30px; font-size: 0.85rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero-countdown { gap: 8px; }
            .countdown-item { padding: 10px 12px; min-width: 50px; }
            .countdown-item .num { font-size: 1.2rem; }
            .countdown-item .label { font-size: 0.65rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .stat-item .num { font-size: 1.6rem; }
            .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.9rem; }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --bg-dark: #0d1b2a;
            --bg-mid: #1b2d45;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #ffffff;
            --text-muted: #8a8aaa;
            --border: #e2e8f0;
            --border-light: #f0f0f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-glow: 0 0 40px rgba(230,57,70,0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 70px;
        }

        /* ===== 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); color: var(--text-primary); background: var(--bg-dark); line-height: 1.7; font-size: 16px; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-light); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.1rem; }
        p { color: var(--text-muted); margin-bottom: 0.8rem; }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* ===== Floating Dock Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 12px 24px;
            background: transparent;
            backdrop-filter: blur(0);
            transition: var(--transition);
        }
        .header.scrolled {
            background: rgba(13, 27, 42, 0.92);
            backdrop-filter: blur(20px);
            padding: 8px 24px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.3);
        }
        .nav-dock {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 60px;
            padding: 0 8px 0 20px;
            height: 56px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.2);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
        }
        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(230,57,70,0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.07);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 30px;
            padding: 6px 16px;
            color: rgba(255,255,255,0.5);
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--primary); background: rgba(255,255,255,0.10); }
        .nav-search input {
            background: transparent;
            border: none;
            color: #fff;
            width: 110px;
            font-size: 0.85rem;
            padding: 4px 0;
        }
        .nav-search input::placeholder { color: rgba(255,255,255,0.4); }
        .nav-search i { font-size: 0.85rem; }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            box-shadow: 0 4px 16px rgba(230,57,70,0.3);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(230,57,70,0.4); }
        .nav-toggle { display: none; background: transparent; color: #fff; font-size: 1.3rem; cursor: pointer; padding: 4px 8px; border-radius: 8px; }

        /* ===== Article Page Hero ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-mid) 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-hero .breadcrumb a { color: var(--text-muted); }
        .article-hero .breadcrumb a:hover { color: var(--primary-light); }
        .article-hero .breadcrumb span { color: var(--text-light); }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            color: var(--text-light);
            max-width: 800px;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .article-meta .category {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 6px; opacity: 0.6; }

        /* ===== Article Content ===== */
        .article-main {
            background: var(--bg-light);
            padding: 60px 0 80px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-md);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--border);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body .content h2 { color: var(--text-primary); margin: 32px 0 16px; font-size: 1.5rem; }
        .article-body .content h3 { color: var(--text-primary); margin: 24px 0 12px; font-size: 1.2rem; }
        .article-body .content p { margin-bottom: 1.2rem; color: var(--text-secondary); }
        .article-body .content ul { list-style: disc; padding-left: 24px; margin-bottom: 1.2rem; color: var(--text-secondary); }
        .article-body .content ul li { margin-bottom: 6px; }
        .article-body .content img { border-radius: var(--radius-md); margin: 24px 0; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(230,57,70,0.04);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags span {
            background: var(--bg-light);
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        .article-nav {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-nav a {
            color: var(--secondary);
            font-weight: 500;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-nav a:hover { color: var(--primary); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list a small { color: var(--text-muted); font-size: 0.75rem; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            color: #fff;
        }
        .sidebar-cta h4 { color: #fff; border-bottom-color: var(--primary); }
        .sidebar-cta p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin: 12px 0 20px; }
        .sidebar-cta .btn {
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            box-shadow: 0 4px 16px rgba(230,57,70,0.3);
        }
        .sidebar-cta .btn:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Not Found State ===== */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-state i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; opacity: 0.4; }
        .not-found-state h2 { color: var(--text-primary); margin-bottom: 12px; }
        .not-found-state p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-state .btn-back {
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: var(--text-muted);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: var(--text-muted); max-width: 320px; }
        .footer h4 { color: var(--text-light); font-size: 0.95rem; margin-bottom: 18px; font-weight: 600; }
        .footer ul li { margin-bottom: 10px; }
        .footer ul li a { color: var(--text-muted); font-size: 0.85rem; }
        .footer ul li a:hover { color: var(--primary-light); }
        .footer ul li i { margin-right: 8px; opacity: 0.6; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.04);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header { padding: 8px 16px; }
            .nav-dock { padding: 0 4px 0 16px; height: 50px; border-radius: 40px; }
            .nav-links { display: none; position: absolute; top: 62px; left: 16px; right: 16px; background: rgba(13,27,42,0.98); backdrop-filter: blur(20px); border-radius: 20px; flex-direction: column; padding: 12px; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.06); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 16px; width: 100%; text-align: center; }
            .nav-search { display: none; }
            .nav-toggle { display: block; }
            .nav-cta { padding: 6px 16px; font-size: 0.8rem; }
            .article-hero { padding: 110px 0 40px; }
            .article-body { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .article-nav { flex-direction: column; gap: 12px; align-items: flex-start; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .nav-dock { padding: 0 4px 0 12px; }
            .nav-logo span:not(.logo-icon) { font-size: 0.9rem; }
            .nav-cta { padding: 6px 14px; font-size: 0.75rem; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-meta { font-size: 0.8rem; gap: 10px; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-glow: rgba(244, 162, 97, 0.3);
            --bg-dark: #0b0f1a;
            --bg-darker: #060912;
            --bg-card: #131a2b;
            --bg-card-hover: #1a243a;
            --bg-surface: #1c253c;
            --text-primary: #f1f3f5;
            --text-secondary: #b0b8c9;
            --text-muted: #6c7a8f;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.04);
            --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);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-w: 1200px;
            --header-h: 76px;
        }

        /* ===== 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;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Dock Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 14px 20px;
            pointer-events: none;
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(11, 15, 26, 0.82);
            backdrop-filter: blur(20px) saturate(1.2);
            -webkit-backdrop-filter: blur(20px) saturate(1.2);
            border: 1px solid var(--border-color);
            border-radius: 60px;
            padding: 0 20px 0 24px;
            height: 54px;
            max-width: 1100px;
            width: 100%;
            box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }
        .nav-dock:hover {
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.06);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            font-size: 16px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            padding: 0 12px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 28px rgba(230, 57, 70, 0.45);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 0 14px;
            height: 36px;
            transition: var(--transition);
            min-width: 160px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.08);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 100%;
            padding: 4px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-secondary);
            font-size: 16px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }

        /* ===== Mobile Nav Overlay ===== */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(6px);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .nav-overlay.open {
            opacity: 1;
        }
        .nav-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            bottom: 0;
            background: var(--bg-card);
            border-left: 1px solid var(--border-color);
            z-index: 1001;
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: var(--shadow-lg);
        }
        .nav-drawer.open {
            right: 0;
        }
        .nav-drawer .drawer-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .nav-drawer .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-secondary);
            font-size: 16px;
            transition: var(--transition);
        }
        .nav-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }
        .nav-drawer a {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .nav-drawer a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }
        .nav-drawer a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-drawer .drawer-cta {
            margin-top: auto;
            padding: 14px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 40px;
            text-align: center;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.25);
        }
        .nav-drawer .drawer-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35);
        }

        /* ===== Hero / Banner ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-darker);
            overflow: hidden;
            padding: 100px 0 60px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 8s ease;
            animation: heroZoom 20s infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.15);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(230, 57, 70, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 60%, rgba(29, 53, 87, 0.25) 0%, transparent 60%),
                linear-gradient(180deg, rgba(6, 9, 18, 0.4) 0%, var(--bg-darker) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            background: rgba(230, 57, 70, 0.12);
            border: 1px solid rgba(230, 57, 70, 0.25);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 28px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: clamp(42px, 8vw, 82px);
            font-weight: 800;
            line-height: 1.08;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light) 70%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(16px, 2.2vw, 22px);
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.7;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-actions .btn-primary {
            padding: 16px 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 60px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 8px 40px rgba(230, 57, 70, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }
        .hero-actions .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 50px rgba(230, 57, 70, 0.45);
        }
        .hero-actions .btn-secondary {
            padding: 16px 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            border-radius: 60px;
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            backdrop-filter: blur(4px);
        }
        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px 60px;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: block;
        }
        .hero-stat .num span {
            color: var(--primary-light);
        }
        .hero-stat .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-darker);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-header .tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.15);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: clamp(30px, 4.5vw, 48px);
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.8px;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .category-card:hover .card-icon {
            background: rgba(230, 57, 70, 0.18);
            transform: scale(1.05);
        }
        .category-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            margin-top: 16px;
            transition: var(--transition);
        }
        .category-card .card-link i {
            transition: transform 0.3s ease;
        }
        .category-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ===== Featured Events ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        .event-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-lg);
        }
        .event-card .event-img {
            height: 180px;
            background: var(--bg-surface);
            position: relative;
            overflow: hidden;
        }
        .event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .event-card:hover .event-img img {
            transform: scale(1.06);
        }
        .event-card .event-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            background: var(--primary);
            border-radius: 40px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
        }
        .event-card .event-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .event-card .event-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .event-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .event-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .event-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .event-card .event-footer .price {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-light);
        }
        .event-card .event-footer .price small {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-muted);
        }
        .event-card .event-footer .btn-sm {
            padding: 8px 20px;
            background: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .event-card .event-footer .btn-sm:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Platform Data ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 28px;
        }
        .data-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .data-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .data-card .data-num {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .data-card .data-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }
        .data-card .data-icon {
            font-size: 28px;
            color: var(--primary-light);
            margin-bottom: 12px;
            opacity: 0.7;
        }

        /* ===== News / Info List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(255, 255, 255, 0.1);
            transform: translateX(4px);
        }
        .news-item .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            background: var(--bg-surface);
            flex-shrink: 0;
            overflow: hidden;
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item .news-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 12px;
        }
        .news-item .news-meta i {
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            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(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary-light);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-box .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 48px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 60px;
            font-size: 17px;
            font-weight: 600;
            box-shadow: 0 8px 40px rgba(230, 57, 70, 0.3);
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .cta-box .cta-btn:hover {
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 14px 50px rgba(230, 57, 70, 0.45);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .nav-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer ul li a i {
            font-size: 14px;
            width: 18px;
            color: var(--text-muted);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .header {
                padding: 10px 12px;
                height: 64px;
            }
            .nav-dock {
                padding: 0 12px 0 16px;
                height: 48px;
                border-radius: 40px;
            }
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 6px 16px;
                font-size: 12px;
                gap: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-overlay {
                display: block;
            }
            .hero {
                min-height: 90vh;
                padding: 80px 0 40px;
            }
            .hero h1 {
                font-size: 38px;
            }
            .hero-sub {
                font-size: 16px;
                margin-bottom: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                max-width: 340px;
                justify-content: center;
            }
            .hero-stats {
                gap: 24px 32px;
                margin-top: 32px;
                padding-top: 28px;
            }
            .hero-stat .num {
                font-size: 26px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-box .cta-btn {
                width: 100%;
                max-width: 340px;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 30px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .nav-cta {
                padding: 5px 12px;
                font-size: 11px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
            .event-card .event-img {
                height: 140px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--bg-surface);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

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