/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #f5b642;
            --accent-light: #f8ca6a;
            --accent-dark: #d99a20;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a4a;
            --bg-section-alt: #f0f2f8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border-color: #e2e6f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 12px 40px rgba(26, 42, 108, 0.14);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.25s ease;
            --max-width: 1200px;
            --header-height: 70px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 182, 66, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: var(--text-white);
        }
        .btn-outline:hover {
            background: var(--text-white);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-accent-outline {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-accent-outline:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 182, 66, 0.25);
        }
        .btn-lg { padding: 16px 44px; font-size: 1.1rem; border-radius: var(--radius-lg); }
        .btn-sm { padding: 8px 20px; font-size: 0.875rem; border-radius: var(--radius-sm); }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: 100px;
            background: rgba(245, 182, 66, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(245, 182, 66, 0.25);
        }
        .badge-primary {
            background: rgba(26, 42, 108, 0.10);
            color: var(--primary);
            border-color: rgba(26, 42, 108, 0.15);
        }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 0.75rem;
            border-radius: 100px;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .tag:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: background var(--transition);
        }
        .site-header .container { display: flex; flex-direction: column; padding: 0 24px; }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: var(--accent); font-size: 1.6rem; }
        .logo span { color: var(--primary-dark); }
        .logo:hover { color: var(--primary); opacity: 0.9; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-toggle, .menu-toggle {
            font-size: 1.3rem;
            color: var(--text-secondary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .search-toggle:hover, .menu-toggle:hover { color: var(--primary); background: var(--bg-section-alt); }
        .menu-toggle { display: none; }

        /* Channel nav */
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 0 10px;
            border-top: 1px solid var(--border-color);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 100px;
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a:hover { color: var(--primary); background: rgba(26,42,108,0.06); }
        .channel-nav a.active {
            color: var(--primary-dark);
            background: rgba(245,182,66,0.18);
            border-color: rgba(245,182,66,0.3);
            font-weight: 600;
        }
        .channel-nav a i { font-size: 0.8rem; opacity: 0.7; }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 2000;
            background: rgba(0,0,0,0.4);
            backdrop-filter: blur(4px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .mobile-drawer.open { opacity: 1; visibility: visible; }
        .drawer-panel {
            position: absolute;
            top: 0;
            left: 0;
            width: 300px;
            height: 100%;
            background: var(--bg-card);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            overflow-y: auto;
        }
        .mobile-drawer.open .drawer-panel { transform: translateX(0); }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .drawer-close { font-size: 1.5rem; color: var(--text-secondary); padding: 4px; }
        .drawer-close:hover { color: var(--primary); }
        .drawer-nav { display: flex; flex-direction: column; gap: 4px; }
        .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .drawer-nav a:hover { background: var(--bg-section-alt); }
        .drawer-nav a.active { background: rgba(245,182,66,0.15); color: var(--primary-dark); font-weight: 600; }
        .drawer-nav a i { width: 20px; color: var(--accent); }

        /* ===== Hero ===== */
        .hero {
            margin-top: calc(var(--header-height) + 44px);
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,74,0.82) 0%, rgba(26,42,108,0.65) 60%, rgba(15,26,74,0.5) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; padding: 80px 24px; }
        .hero-content { max-width: 680px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245,182,66,0.18);
            border: 1px solid rgba(245,182,66,0.3);
            color: var(--accent-light);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

        /* ===== Section Common ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-section-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { font-size: 1.1rem; color: var(--text-light); margin-bottom: 0; }
        .section-header .badge { margin-bottom: 12px; }
        .section-dark .section-header h2 { color: var(--text-white); }
        .section-dark .section-header p { color: rgba(255,255,255,0.65); }

        /* ===== About / Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img { width: 100%; height: 400px; object-fit: cover; transition: transform 0.5s ease; }
        .intro-image:hover img { transform: scale(1.03); }
        .intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,26,74,0.2), transparent);
            pointer-events: none;
        }
        .intro-text h2 { margin-bottom: 16px; }
        .intro-text .lead { font-size: 1.15rem; font-weight: 500; color: var(--text-primary); margin-bottom: 16px; }
        .intro-text p { margin-bottom: 12px; }
        .intro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 16px 8px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .stat-item .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-item .label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

        /* ===== Service / Category Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245,182,66,0.2);
        }
        .service-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .service-card:hover .card-img img { transform: scale(1.05); }
        .service-card .card-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 12px 16px;
            background: linear-gradient(to top, rgba(15,26,74,0.5), transparent);
        }
        .service-card .card-img .overlay .badge { background: rgba(245,182,66,0.9); color: var(--primary-dark); border: none; }
        .service-card .card-body { padding: 20px 24px 24px; }
        .service-card .card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .service-card .card-body p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; }
        .service-card .card-footer { padding: 0 24px 20px; display: flex; align-items: center; gap: 12px; }
        .service-card .card-footer .tag { font-size: 0.7rem; }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-item .icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            background: rgba(245,182,66,0.12);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .feature-item:hover .icon { background: var(--accent); color: var(--primary-dark); }
        .feature-item h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .feature-item p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== Latest News (CMS) ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(245,182,66,0.2);
            transform: translateX(4px);
        }
        .news-item .thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-section-alt);
        }
        .news-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
        .news-item .info { flex: 1; min-width: 0; }
        .news-item .info .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .news-item .info .meta .cat { color: var(--accent-dark); font-weight: 600; }
        .news-item .info h3 { font-size: 1.05rem; margin-bottom: 4px; }
        .news-item .info h3 a { color: var(--text-primary); }
        .news-item .info h3 a:hover { color: var(--primary); }
        .news-item .info p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== Process / Flow ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(to right, var(--accent), var(--primary-light));
            border-radius: 2px;
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 20px 12px;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid var(--accent);
            box-shadow: 0 0 0 4px var(--bg-body);
        }
        .process-step h3 { font-size: 1rem; margin-bottom: 6px; }
        .process-step p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .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-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: rgba(245,182,66,0.25); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { font-size: 0.9rem; color: var(--text-light); transition: transform 0.3s ease; }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .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 ===== */
        .cta-section {
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 80px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,74,0.85) 0%, rgba(26,42,108,0.7) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--text-white); font-size: 2.4rem; margin-bottom: 12px; }
        .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: 1.1rem; padding: 16px 48px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand .logo span { color: var(--accent-light); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: all var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.6);
            transition: all var(--transition);
        }
        .footer-socials a:hover { background: var(--accent); color: var(--primary-dark); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.6rem; }
            .intro-grid { gap: 32px; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid::before { display: none; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .site-header .container { padding: 0 16px; }
            .channel-nav { display: none; }
            .menu-toggle { display: flex; }
            .header-actions .search-toggle { display: none; }
            .hero { min-height: 480px; margin-top: calc(var(--header-height) + 0px); border-radius: 0; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-content { max-width: 100%; }
            .hero .container { padding: 60px 16px; }
            .section { padding: 56px 0; }
            .intro-grid { grid-template-columns: 1fr; }
            .intro-image img { height: 260px; }
            .intro-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
            .card-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .news-item { flex-direction: column; padding: 16px; }
            .news-item .thumb { width: 100%; height: 160px; }
            .process-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
            .cta-section { padding: 48px 24px; border-radius: var(--radius-md); }
            .cta-section h2 { font-size: 1.8rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            h2 { font-size: 1.7rem; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .intro-stats { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.5rem; }
            .stat-item .num { font-size: 1.4rem; }
            .header-top { height: 60px; }
            .logo { font-size: 1.2rem; }
            :root { --header-height: 60px; }
            .hero { min-height: 380px; }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .hero-content { animation: fadeUp 0.8s ease both; }
        .section { animation: fadeUp 0.6s ease both; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --accent-light: #ffd166;
            --bg: #f8f9fa;
            --bg-alt: #1a1a2e;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e9ecef;
            --border-light: #f1f3f5;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 56px rgba(230, 57, 70, 0.18);
            --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
            --nav-h: 48px;
        }

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

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

        /* ===== Header & Navigation (Magazine Style) ===== */
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .logo span {
            color: var(--primary);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--primary);
        }

        /* Channel Nav (below brand row) */
        .channel-nav-wrap {
            background: var(--secondary);
            border-bottom: 3px solid var(--primary);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            height: var(--nav-h);
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            color: rgba(255, 255, 255, 0.8);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a i {
            font-size: 0.85rem;
        }
        .channel-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .channel-nav a.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }
        .nav-cta {
            margin-left: auto;
            background: var(--accent);
            color: var(--secondary) !important;
            font-weight: 700 !important;
            padding: 6px 20px !important;
            border-radius: 20px !important;
            border: none !important;
        }
        .nav-cta:hover {
            background: var(--accent-light) !important;
            transform: translateY(-1px);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: none;
            color: var(--secondary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--border-light);
        }

        /* ===== Article Detail ===== */
        .article-detail {
            padding: 60px 0 80px;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-bottom: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .article-meta .badge {
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .article-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .date i {
            color: var(--primary);
        }
        .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--secondary);
            max-width: 800px;
            margin: 0 auto 16px;
        }
        .article-desc {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .article-cover {
            margin-bottom: 40px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-height: 480px;
            object-fit: cover;
            width: 100%;
        }

        .article-body {
            max-width: 780px;
            margin: 0 auto;
            background: var(--bg-card);
            padding: 48px 56px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            line-height: 1.9;
            font-size: 1.05rem;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.6em;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 2em 0 0.8em;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 1.6em 0 0.6em;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.6em 1.6em;
        }
        .article-body li {
            margin-bottom: 0.5em;
        }
        .article-body ul li {
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: var(--border-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.6em auto;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body .highlight {
            background: linear-gradient(120deg, rgba(230, 57, 70, 0.08), rgba(244, 162, 97, 0.08));
            padding: 2px 8px;
            border-radius: 4px;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-body table th {
            background: var(--secondary);
            color: #fff;
            padding: 12px 16px;
            font-weight: 600;
            text-align: left;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
        }
        .article-body table tr:nth-child(even) td {
            background: var(--border-light);
        }

        /* Not found state */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            max-width: 600px;
            margin: 40px auto;
        }
        .not-found-box .icon {
            font-size: 4rem;
            color: var(--primary-light);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .not-found-box .btn {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== Article Footer / Share ===== */
        .article-footer-actions {
            max-width: 780px;
            margin: 40px auto 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 0;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            background: var(--border-light);
            color: var(--secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .share-buttons {
            display: flex;
            gap: 8px;
        }
        .share-buttons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--secondary);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .share-buttons a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Related / Prev Next ===== */
        .article-nav {
            max-width: 780px;
            margin: 32px auto 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
            color: var(--text);
            font-weight: 500;
        }
        .article-nav a:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .article-nav .prev {
            text-align: left;
        }
        .article-nav .next {
            text-align: right;
            justify-content: flex-end;
        }
        .article-nav .nav-label {
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 400;
        }
        .article-nav .nav-title {
            font-size: 0.95rem;
            line-height: 1.3;
        }

        /* ===== CTA Section ===== */
        .article-cta {
            background: var(--secondary);
            padding: 60px 24px;
            text-align: center;
            margin-top: 60px;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15), transparent 70%);
            border-radius: 50%;
        }
        .article-cta::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.1), transparent 70%);
            border-radius: 50%;
        }
        .article-cta .cta-content {
            position: relative;
            z-index: 1;
        }
        .article-cta h3 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .article-cta p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-cta .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .article-cta .btn {
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-cta .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .article-cta .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.35);
        }
        .article-cta .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .article-cta .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-alt);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.5rem;
        }
        .footer-brand .logo i {
            color: var(--primary);
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            width: 18px;
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-socials {
            display: flex;
            gap: 10px;
        }
        .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-title {
                font-size: 2rem;
            }
            .article-body {
                padding: 36px 32px;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .channel-nav {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding: 0 16px;
                gap: 2px;
            }
            .channel-nav a {
                font-size: 0.8rem;
                padding: 4px 14px;
                flex-shrink: 0;
            }
            .channel-nav a i {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .article-title {
                font-size: 1.6rem;
            }
            .article-desc {
                font-size: 1rem;
            }
            .article-body {
                padding: 28px 20px;
                font-size: 1rem;
            }
            .article-meta {
                font-size: 0.85rem;
                gap: 8px 16px;
            }
            .article-nav {
                grid-template-columns: 1fr;
            }
            .article-cta h3 {
                font-size: 1.5rem;
            }
            .article-cta .btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-cover {
                max-height: 280px;
            }
            .article-footer-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
                height: 60px;
            }
            .logo {
                font-size: 1.3rem;
            }
            .logo i {
                font-size: 1.1rem;
            }
            .channel-nav {
                height: 42px;
                padding: 0 12px;
            }
            .channel-nav a {
                font-size: 0.75rem;
                padding: 3px 12px;
            }
            .article-detail {
                padding: 32px 0 48px;
            }
            .article-title {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 20px 16px;
                border-radius: var(--radius);
            }
            .article-body h2 {
                font-size: 1.25rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-cta {
                padding: 40px 16px;
                border-radius: var(--radius);
            }
            .article-cta h3 {
                font-size: 1.2rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .not-found-box {
                padding: 48px 20px;
            }
            .not-found-box .icon {
                font-size: 3rem;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c3bf5;
            --primary-dark: #5228d4;
            --primary-light: #8f6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3bf5 0%, #3b82f6 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #10b981;
            --bg-dark: #0f0e1a;
            --bg-darker: #0a0915;
            --bg-card: #1a1833;
            --bg-card-hover: #23204a;
            --bg-section: #12102a;
            --bg-light: #f8f7ff;
            --text-primary: #f1f0ff;
            --text-secondary: #b8b3d9;
            --text-muted: #7a75a3;
            --text-dark: #1a1a2e;
            --text-dark-muted: #4a4766;
            --border-color: #2d2852;
            --border-light: #3d3670;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(108, 59, 245, 0.12);
            --shadow-md: 0 8px 30px rgba(108, 59, 245, 0.18);
            --shadow-lg: 0 20px 60px rgba(108, 59, 245, 0.25);
            --shadow-glow: 0 0 40px rgba(108, 59, 245, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-width: 1200px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        a:hover {
            color: var(--secondary);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Typography ===== */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 59, 245, 0.15);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid rgba(108, 59, 245, 0.25);
            margin-bottom: 16px;
        }

        .section-badge i {
            font-size: 0.75rem;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(45, 40, 82, 0.5);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 14, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary-light);
            font-size: 1.4rem;
        }

        .logo span {
            color: var(--secondary);
            font-weight: 700;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.04);
            padding: 4px;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }

        .channel-nav a i {
            font-size: 0.85rem;
        }

        .channel-nav a:hover {
            color: var(--text-primary);
            background: rgba(108, 59, 245, 0.1);
        }

        .channel-nav a.active {
            color: #fff;
            background: var(--primary-gradient);
            box-shadow: 0 4px 20px rgba(108, 59, 245, 0.35);
        }

        .channel-nav a.active:hover {
            color: #fff;
            background: var(--primary-gradient);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-toggle {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .search-toggle:hover {
            background: rgba(108, 59, 245, 0.15);
            color: var(--primary-light);
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 1.2rem;
        }

        .mobile-toggle:hover {
            background: rgba(108, 59, 245, 0.15);
            color: var(--primary-light);
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background: rgba(15, 14, 26, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 20px 24px;
            z-index: 999;
            transform: translateY(-20px);
            opacity: 0;
            transition: var(--transition);
            pointer-events: none;
        }

        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }

        .mobile-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(108, 59, 245, 0.1);
            color: var(--text-primary);
        }

        .mobile-menu a.active {
            color: var(--primary-light);
            background: rgba(108, 59, 245, 0.12);
        }

        .mobile-menu a i {
            width: 20px;
            text-align: center;
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg-darker);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: screen;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 14, 26, 0.92) 0%, rgba(15, 14, 26, 0.6) 50%, rgba(15, 14, 26, 0.92) 100%);
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

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

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

        .hero-breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 20px;
            max-width: 720px;
        }

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

        .page-hero .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-stat .num .accent {
            color: var(--secondary);
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== Section Spacing ===== */
        section {
            padding: 80px 0;
        }

        /* ===== Guide Categories ===== */
        .guide-categories {
            background: var(--bg-section);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

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

        .category-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: var(--bg-card-hover);
        }

        .category-card:hover::before {
            opacity: 1;
        }

        .category-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(108, 59, 245, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-light);
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .category-card:hover .icon-wrap {
            background: var(--primary-gradient);
            color: #fff;
        }

        .category-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .category-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .category-card .card-tag {
            display: inline-block;
            margin-top: 16px;
            font-size: 0.8rem;
            color: var(--primary-light);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-card .card-tag i {
            font-size: 0.7rem;
            transition: var(--transition);
        }

        .category-card:hover .card-tag i {
            transform: translateX(4px);
        }

        /* ===== Featured Guides ===== */
        .featured-guides {
            background: var(--bg-dark);
        }

        .guides-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px;
        }

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

        .guide-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .guide-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }

        .guide-card .card-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 20px;
            background: linear-gradient(to top, rgba(15, 14, 26, 0.9), transparent);
        }

        .guide-card .card-img .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(108, 59, 245, 0.8);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .guide-card .card-img .badge.hot {
            background: rgba(245, 158, 11, 0.85);
        }

        .guide-card .card-img .badge.new {
            background: rgba(16, 185, 129, 0.85);
        }

        .guide-card .card-body {
            padding: 24px 24px 28px;
        }

        .guide-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .guide-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }

        .guide-card .card-meta i {
            margin-right: 4px;
            font-size: 0.75rem;
        }

        .guide-card .card-meta .author {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card .card-meta .author .avatar {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.6rem;
            color: #fff;
            font-weight: 700;
        }

        /* ===== Guide Process ===== */
        .guide-process {
            background: var(--bg-section);
            position: relative;
        }

        .guide-process::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 1px;
            height: 100%;
            background: linear-gradient(to bottom, transparent, var(--border-color), transparent);
            opacity: 0.3;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            position: relative;
        }

        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 18px;
            box-shadow: 0 8px 30px rgba(108, 59, 245, 0.25);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Tips & Tricks ===== */
        .tips-section {
            background: var(--bg-dark);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .tip-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .tip-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }

        .tip-item .tip-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(108, 59, 245, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 1rem;
        }

        .tip-item .tip-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .tip-item .tip-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            gap: 16px;
            user-select: none;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(108, 59, 245, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--primary-light);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary-gradient);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-darker);
            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: 0.1;
            mix-blend-mode: screen;
        }

        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.2;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 8px 30px rgba(108, 59, 245, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(108, 59, 245, 0.4);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(108, 59, 245, 0.06);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 0.88rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            width: 16px;
            font-size: 0.8rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

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

        .footer-socials {
            display: flex;
            gap: 12px;
        }

        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-socials a:hover {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .page-hero h1 {
                font-size: 2.6rem;
            }

            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }

            .channel-nav {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .header-inner {
                gap: 12px;
            }

            .logo {
                font-size: 1.3rem;
            }

            .page-hero {
                padding: 110px 0 56px;
                min-height: 300px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero .hero-desc {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }

            section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .section-header {
                margin-bottom: 36px;
            }

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

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

            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

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

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 1.5rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .page-hero .hero-desc {
                font-size: 0.92rem;
            }

            .hero-stats {
                gap: 16px;
                flex-direction: column;
            }

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

            .process-steps {
                grid-template-columns: 1fr;
            }

            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                justify-content: center;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .guide-card .card-body {
                padding: 18px 18px 22px;
            }

            .guide-card .card-img {
                height: 160px;
            }

            .hero-breadcrumb {
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }