/* roulang page: index */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .container {
            width: 90%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-muted);
            z-index: 1000;
            padding: var(--space-xs) 0;
            transition: background-color var(--transition-base);
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }

        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            position: relative;
            padding: 0.3rem 0;
            white-space: nowrap;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width var(--transition-base);
        }

        nav a:hover,
        nav a.active {
            color: var(--accent-amber);
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 1.8rem;
            line-height: 1;
            padding: 0.2rem;
        }

        /* Hero - Full width shallow banner */
        .hero {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            min-height: 45vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            margin-top: 0;
            border-bottom: 2px solid var(--border-muted);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            align-items: flex-start;
            max-width: 720px;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-sand);
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            color: var(--accent-amber);
        }

        .hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 600px;
            line-height: 1.65;
        }

        .hero-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }

        .btn-primary {
            background: linear-gradient(145deg, var(--accent-amber), #D97706);
            color: #031A12;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-glow);
            letter-spacing: 0.2px;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
        }

        .btn-secondary {
            background: transparent;
            border: 1.5px solid var(--accent-green);
            color: var(--accent-green);
            padding: 0.8rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            background: rgba(16, 185, 129, 0.12);
        }

        /* Sections common */
        section {
            padding: var(--space-xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-lg);
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }

        .section-label {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-amber);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-sand);
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-mint);
            max-width: 700px;
            font-size: 1rem;
            line-height: 1.6;
        }

        /* Three Selling Points */
        .selling-points {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
            border-bottom: 1px solid var(--border-muted);
        }

        .points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            text-align: left;
        }

        .point-card {
            padding: var(--space-md);
            border-radius: var(--radius-lg);
            background: rgba(245, 158, 11, 0.04);
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
        }

        .point-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
        }

        .point-icon {
            font-size: 2.2rem;
            margin-bottom: var(--space-sm);
        }

        .point-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-xs);
        }

        .point-card p {
            color: var(--text-mint);
            line-height: 1.6;
        }

        /* Entry Matrix */
        .entry-matrix .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .entry-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .entry-card:hover {
            border-color: var(--accent-amber);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .entry-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .entry-card-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .entry-card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-sand);
        }

        .entry-card-body p {
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        /* Latest & Hot Topics */
        .latest-topics .dual-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
        }

        .latest-col h3,
        .hot-col h3 {
            font-size: 1.5rem;
            color: var(--text-sand);
            margin-bottom: var(--space-md);
            font-weight: 700;
        }

        .post-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .post-list li {
            padding-bottom: var(--space-sm);
            border-bottom: 1px solid var(--border-muted);
        }

        .post-list li a {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            gap: var(--space-sm);
            color: var(--text-mint);
            transition: color var(--transition-base);
        }

        .post-list li a:hover {
            color: var(--accent-amber);
        }

        .post-title {
            font-weight: 600;
        }

        .post-date {
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0.75;
        }

        .hot-topics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-sm);
        }

        .topic-card {
            background: var(--bg-secondary);
            padding: var(--space-md);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-muted);
            font-weight: 600;
            color: var(--text-sand);
            transition: all var(--transition-base);
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 110px;
            display: flex;
            align-items: flex-end;
        }

        .topic-card:hover {
            border-color: var(--accent-amber);
        }

        /* Data metrics */
        .metrics {
            background-color: var(--bg-secondary);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            text-align: center;
        }

        .metric-item {
            padding: var(--space-md);
        }

        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-amber);
            letter-spacing: -1px;
        }

        .metric-label {
            color: var(--text-mint);
            margin-top: var(--space-xs);
            font-weight: 500;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
        }

        .testimonial-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--border-muted);
            position: relative;
        }

        .testimonial-card::before {
            content: "“";
            font-size: 3rem;
            color: var(--accent-amber);
            position: absolute;
            top: 10px;
            left: 20px;
            opacity: 0.3;
        }

        .testimonial-text {
            font-style: italic;
            color: var(--text-mint);
            margin-bottom: var(--space-md);
            line-height: 1.7;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--text-sand);
        }

        /* Contact / CTA */
        .contact-cta {
            background: linear-gradient(135deg, var(--bg-secondary), #031A12);
            text-align: left;
            border-top: 2px solid var(--accent-amber);
        }

        .contact-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-lg);
        }

        .contact-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-sand);
        }

        .contact-info p {
            color: var(--text-mint);
            margin-top: var(--space-xs);
        }

        /* Footer */
        footer {
            background: var(--bg-secondary);
            padding: var(--space-xl) 0 var(--space-md);
            border-top: 1px solid var(--border-muted);
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-xl);
            margin-bottom: var(--space-lg);
        }

        .footer-col h4 {
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
            font-weight: 700;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-mint);
            display: block;
            margin-bottom: 0.4rem;
        }

        .footer-col a:hover {
            color: var(--accent-amber);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-muted);
            padding-top: var(--space-md);
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #031A12;
            transition: all 0.3s ease;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab:hover {
            transform: scale(1.12);
            box-shadow: 0 10px 32px rgba(245, 158, 11, 0.6);
        }

        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .points-grid,
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .entry-matrix .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2rem;
            }
            .dual-col {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                padding: var(--space-md);
                border-radius: var(--radius-md);
                margin-top: var(--space-xs);
            }
            nav.open {
                display: flex;
            }
            .header-actions {
                margin-left: auto;
            }
            .points-grid,
            .metrics-grid,
            .entry-matrix .matrix-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                min-height: 50vh;
                padding: 6rem 0 3rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .contact-cta .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition-base); }
        button { font-family: inherit; cursor: pointer; border: none; outline: none; }
        .container { width: 90%; max-width: 1280px; margin: 0 auto; padding: 0 var(--space-sm); }
        /* Header & Navigation */
        header {
            position: fixed; top: 0; left: 0; width: 100%;
            background-color: rgba(3, 26, 18, 0.92); backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-muted);
            z-index: 1000; padding: var(--space-xs) 0; transition: background-color var(--transition-base);
        }
        header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
        .logo {
            font-size: 1.25rem; font-weight: 700; color: var(--accent-amber);
            letter-spacing: -0.3px; white-space: nowrap; display: flex; align-items: center; gap: 0.4rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
        }
        nav { display: flex; align-items: center; gap: var(--space-md); }
        nav a {
            font-size: 0.95rem; font-weight: 500; color: var(--text-mint);
            position: relative; padding: 0.3rem 0; white-space: nowrap;
        }
        nav a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-amber); transition: width var(--transition-base);
        }
        nav a:hover, nav a.active { color: var(--accent-amber); }
        nav a:hover::after, nav a.active::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: var(--space-xs); }
        .btn-login {
            background: transparent; border: 1.5px solid var(--accent-amber); color: var(--accent-amber);
            padding: 0.5rem 1.2rem; border-radius: var(--radius-xl); font-weight: 600; font-size: 0.9rem;
            transition: all var(--transition-base);
        }
        .btn-login:hover { background: rgba(245, 158, 11, 0.1); }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7); color: var(--bg-primary);
            padding: 0.5rem 1.4rem; border-radius: var(--radius-xl); font-weight: 700; font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35); transition: all var(--transition-base);
        }
        .btn-signup:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5); }
        .mobile-menu-toggle {
            display: none; background: transparent; color: var(--text-mint);
            font-size: 1.8rem; line-height: 1; padding: 0.2rem;
        }
        /* Article Hero - Banner */
        .article-hero {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 35vh; display: flex; align-items: center; padding: 7rem 0 3rem;
            border-bottom: 2px solid var(--border-muted);
        }
        .article-hero-content { max-width: 800px; }
        .article-category-badge {
            display: inline-block; background: rgba(245, 158, 11, 0.2); color: var(--accent-amber);
            padding: 0.3rem 1rem; border-radius: var(--radius-xl); font-size: 0.85rem; font-weight: 600;
            margin-bottom: var(--space-sm);
        }
        .article-hero h1 {
            font-size: 2.4rem; font-weight: 800; line-height: 1.3; color: var(--text-sand);
            letter-spacing: -0.5px; margin-bottom: var(--space-xs);
        }
        .article-meta {
            display: flex; gap: var(--space-md); color: var(--text-mint); font-size: 0.9rem;
            flex-wrap: wrap; margin-top: var(--space-sm);
        }
        .article-meta i { margin-right: 0.3rem; color: var(--accent-amber); }
        /* Main Layout */
        .article-main { padding: var(--space-xl) 0; }
        .article-layout { display: flex; gap: var(--space-lg); align-items: flex-start; }
        .article-body {
            flex: 1; min-width: 0; background: var(--bg-secondary); border-radius: var(--radius-lg);
            padding: var(--space-lg); border: 1px solid var(--border-muted);
            box-shadow: var(--shadow-card);
        }
        .article-body h2 {
            font-size: 1.5rem; color: var(--text-sand); margin: var(--space-md) 0 var(--space-sm);
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.2rem; color: var(--accent-amber); margin: var(--space-sm) 0 var(--space-xs);
            font-weight: 600;
        }
        .article-body p {
            color: var(--text-mint); line-height: 1.7; margin-bottom: var(--space-sm);
        }
        .article-body ul, .article-body ol {
            color: var(--text-mint); padding-left: 1.5rem; margin-bottom: var(--space-sm);
        }
        .article-body li { margin-bottom: 0.4rem; }
        .article-body img {
            border-radius: var(--radius-md); margin: var(--space-md) 0; max-width: 100%;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent-amber); padding: var(--space-sm) var(--space-md);
            background: rgba(245, 158, 11, 0.05); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: var(--space-sm); color: var(--text-sand); font-style: italic;
        }
        /* Sidebar */
        .sidebar {
            width: 340px; flex-shrink: 0; display: flex; flex-direction: column; gap: var(--space-md);
            position: sticky; top: 6rem;
        }
        .sidebar-card {
            background: var(--bg-secondary); border-radius: var(--radius-md);
            padding: var(--space-md); border: 1px solid var(--border-muted);
        }
        .sidebar-card h4 {
            font-size: 1.1rem; color: var(--text-sand); margin-bottom: var(--space-sm);
            display: flex; align-items: center; gap: 0.5rem;
        }
        .sidebar-card h4 i { color: var(--accent-amber); }
        .sidebar-card ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
        .sidebar-card ul li a {
            color: var(--text-mint); font-size: 0.9rem; transition: color var(--transition-base);
            display: flex; align-items: center; gap: 0.5rem;
        }
        .sidebar-card ul li a:hover { color: var(--accent-amber); }
        .sidebar-card ul li a::before {
            content: '\f054'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
            font-size: 0.7rem; color: var(--accent-amber);
        }
        .promo-banner {
            background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(16,185,129,0.1));
            border-radius: var(--radius-md); padding: var(--space-md); text-align: center;
            border: 1px solid var(--border-muted);
        }
        .promo-banner p { color: var(--text-sand); font-weight: 600; margin-bottom: var(--space-sm); }
        .promo-banner .btn-cta {
            display: inline-block; background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary); padding: 0.5rem 1.2rem; border-radius: var(--radius-xl);
            font-weight: 700; font-size: 0.85rem; box-shadow: 0 3px 10px rgba(245,158,11,0.3);
            transition: all var(--transition-base);
        }
        .promo-banner .btn-cta:hover { transform: translateY(-1px); box-shadow: 0 5px 15px rgba(245,158,11,0.45); }
        /* Related section */
        .related-section {
            padding: var(--space-xl) 0; background: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
        }
        .related-section h2 {
            font-size: 1.7rem; color: var(--text-sand); margin-bottom: var(--space-lg);
            text-align: left; font-weight: 700;
        }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-md); }
        .related-card {
            background: var(--bg-primary); border-radius: var(--radius-md);
            overflow: hidden; border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
        }
        .related-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
        .related-card img { width: 100%; height: 160px; object-fit: cover; }
        .related-card-body { padding: var(--space-sm); }
        .related-card-body h5 { font-size: 1rem; color: var(--text-sand); margin-bottom: 0.3rem; }
        .related-card-body p { font-size: 0.85rem; color: var(--text-mint); line-height: 1.5; }
        /* CTA Section */
        .cta-section {
            padding: var(--space-xl) 0; text-align: left;
            background: linear-gradient(rgba(6,46,32,0.9), rgba(3,26,18,0.95)), url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            border-top: 2px solid var(--border-muted); border-bottom: 2px solid var(--border-muted);
        }
        .cta-content { max-width: 700px; }
        .cta-content h2 { font-size: 1.8rem; color: var(--text-sand); margin-bottom: var(--space-sm); font-weight: 700; }
        .cta-content p { color: var(--text-mint); margin-bottom: var(--space-md); line-height: 1.65; }
        .cta-content .btn-cta-large {
            display: inline-block; background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary); padding: 0.75rem 2rem; border-radius: var(--radius-xl);
            font-weight: 700; font-size: 1rem; box-shadow: 0 4px 15px rgba(245,158,11,0.4);
            transition: all var(--transition-base);
        }
        .cta-content .btn-cta-large:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,0.55); }
        /* Footer */
        footer {
            background: var(--bg-secondary); padding: var(--space-xl) 0 var(--space-md);
            border-top: 2px solid var(--border-muted);
        }
        .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); margin-bottom: var(--space-lg); }
        .footer-col h4 { font-size: 1.1rem; color: var(--accent-amber); margin-bottom: var(--space-sm); }
        .footer-col p { color: var(--text-mint); font-size: 0.9rem; line-height: 1.6; }
        .footer-col a { display: block; color: var(--text-mint); font-size: 0.9rem; margin-bottom: 0.4rem; transition: color var(--transition-base); }
        .footer-col a:hover { color: var(--accent-amber); }
        .footer-bottom {
            text-align: center; color: var(--text-mint); font-size: 0.8rem;
            padding-top: var(--space-md); border-top: 1px solid var(--border-muted);
        }
        /* Not found */
        .not-found { text-align: center; padding: var(--space-xl); }
        .not-found h2 { color: var(--text-sand); margin-bottom: var(--space-sm); }
        .not-found a { color: var(--accent-amber); text-decoration: underline; }
        /* Mobile */
        @media (max-width: 1024px) {
            .article-layout { flex-direction: column; }
            .sidebar { width: 100%; position: static; flex-direction: row; flex-wrap: wrap; }
            .sidebar-card, .promo-banner { flex: 1; min-width: 250px; }
            .article-hero h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle { display: block; }
            nav { display: none; position: absolute; top: 100%; left: 0; width: 100%;
                background: rgba(3,26,18,0.98); flex-direction: column; padding: var(--space-sm);
                border-bottom: 1px solid var(--border-muted);
            }
            nav.open { display: flex; }
            .header-actions { display: flex; }
            .article-body { padding: var(--space-md); }
            .article-hero { min-height: 30vh; padding: 6rem 0 2rem; }
            .article-hero h1 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .article-hero h1 { font-size: 1.4rem; }
            .sidebar { flex-direction: column; }
            .sidebar-card, .promo-banner { min-width: auto; }
        }
        /* FAB */
        .fab {
            position: fixed; left: 1rem; bottom: 6rem; width: 56px; height: 56px;
            background: radial-gradient(circle at 30% 30%, #FEF3C7, #F59E0B);
            border-radius: 50%; z-index: 999; display: flex; align-items: center; justify-content: center;
            border: 2px solid #F59E0B; box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            cursor: pointer; transition: all var(--transition-base); opacity: 0.8; animation: fabFloat 3s infinite ease-in-out;
        }
        .fab i { font-size: 1.5rem; color: #031A12; }
        .fab:hover { opacity: 1; transform: scale(1.1); animation: none; }
        .fab:active { transform: scale(0.95) translateY(2px); }
        .fab .badge {
            position: absolute; top: -4px; right: -4px; width: 14px; height: 14px;
            background: #DC2626; border-radius: 50%; border: 2px solid #fff;
        }
        @keyframes fabFloat {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .container {
            width: 90%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-muted);
            z-index: 1000;
            padding: var(--space-xs) 0;
            transition: background-color var(--transition-base);
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }

        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            position: relative;
            padding: 0.3rem 0;
            white-space: nowrap;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width var(--transition-base);
        }

        nav a:hover,
        nav a.active {
            color: var(--accent-amber);
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 1.8rem;
            line-height: 1;
            padding: 0.2rem;
        }

        .page-banner {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-6.jpg') center/cover no-repeat;
            min-height: 40vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 3rem;
            border-bottom: 2px solid var(--border-muted);
        }

        .banner-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            align-items: flex-start;
            max-width: 720px;
        }

        .banner-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-sand);
            letter-spacing: -0.5px;
        }

        .banner-content h1 span {
            color: var(--accent-amber);
        }

        .banner-content .banner-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 600px;
            line-height: 1.65;
        }

        .banner-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.5);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            background: rgba(245, 158, 11, 0.1);
        }

        section {
            padding: var(--space-xl) 0;
        }

        .section-header {
            margin-bottom: var(--space-lg);
            max-width: 720px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-xs);
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.6;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--accent-amber);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-amber);
            margin-bottom: 0.3rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            font-weight: 500;
        }

        .rooms-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }

        .room-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: row;
        }

        .room-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--accent-amber);
        }

        .room-thumb {
            width: 200px;
            min-height: 220px;
            flex-shrink: 0;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }

        .room-info {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            flex: 1;
        }

        .room-tag {
            display: inline-block;
            background: var(--accent-amber);
            color: var(--bg-primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.7rem;
            border-radius: var(--radius-sm);
            width: fit-content;
        }

        .room-tag.vip {
            background: #DC2626;
            color: #FEF3C7;
        }

        .room-tag.new {
            background: var(--accent-green);
            color: var(--bg-primary);
        }

        .room-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-sand);
        }

        .room-info p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.6;
        }

        .room-meta {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-sand);
            opacity: 0.85;
        }

        .room-meta i {
            color: var(--accent-amber);
            margin-right: 0.3rem;
        }

        .room-entry {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent-amber);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            width: fit-content;
            transition: all var(--transition-base);
            margin-top: auto;
        }

        .room-entry:hover {
            background: #FEF3C7;
            transform: translateY(-1px);
        }

        .features-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
        }

        .feature-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            transition: all var(--transition-base);
        }

        .feature-item:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(245, 158, 11, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-amber);
            flex-shrink: 0;
        }

        .feature-text h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: 0.3rem;
        }

        .feature-text p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.6;
        }

        .leaderboard {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            overflow-x: auto;
        }

        .leaderboard table {
            width: 100%;
            border-collapse: collapse;
        }

        .leaderboard th,
        .leaderboard td {
            padding: 0.8rem 1rem;
            text-align: left;
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border-muted);
        }

        .leaderboard th {
            font-weight: 700;
            color: var(--text-sand);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .leaderboard td {
            color: var(--text-mint);
        }

        .leaderboard tr:last-child td {
            border-bottom: none;
        }

        .leaderboard .rank {
            font-weight: 800;
            color: var(--accent-amber);
            font-size: 1.1rem;
        }

        .leaderboard .rank.top {
            color: #DC2626;
        }

        .leaderboard .prize {
            font-weight: 700;
            color: var(--accent-green);
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(6, 46, 32, 0.95), rgba(3, 26, 18, 0.95)), url('/assets/images/backpic/back-7.jpg') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            border: 1px solid var(--border-muted);
        }

        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }

        .cta-banner p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 600px;
            margin: 0 auto var(--space-md);
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--accent-amber);
        }

        .news-card .news-thumb {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

        .news-card .news-body {
            padding: var(--space-sm) var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .news-card .news-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-amber);
            text-transform: uppercase;
        }

        .news-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-sand);
            line-height: 1.4;
        }

        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.7;
            margin-top: auto;
        }

        .view-more {
            text-align: center;
            margin-top: var(--space-md);
        }

        .view-more a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 0.95rem;
        }

        .view-more a:hover {
            color: var(--text-sand);
        }

        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
            padding: var(--space-xl) 0 var(--space-md);
            color: var(--text-mint);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }

        .footer-col p,
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 0.3rem;
        }

        .footer-col a:hover {
            color: var(--accent-amber);
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-muted);
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.7;
        }

        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle, #FCD34D, #F59E0B);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--bg-primary);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            border: 2px solid #FEF3C7;
            opacity: 0.85;
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-list {
                grid-template-columns: 1fr;
            }

            .room-card {
                flex-direction: column;
            }

            .room-thumb {
                width: 100%;
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                padding: var(--space-md);
                gap: var(--space-sm);
                border-bottom: 1px solid var(--border-muted);
            }

            nav.mobile-open {
                display: flex;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 0.4rem 0.8rem;
                font-size: 0.8rem;
            }

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

            .news-list {
                grid-template-columns: 1fr;
            }

            .banner-content h1 {
                font-size: 1.8rem;
            }

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

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .container {
                width: 94%;
            }

            .banner-content h1 {
                font-size: 1.5rem;
            }

            .banner-buttons {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .container {
            width: 90%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-muted);
            z-index: 1000;
            padding: var(--space-xs) 0;
            transition: background-color var(--transition-base);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }
        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            position: relative;
            padding: 0.3rem 0;
            white-space: nowrap;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width var(--transition-base);
        }
        nav a:hover,
        nav a.active {
            color: var(--accent-amber);
        }
        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 1.8rem;
            line-height: 1;
            padding: 0.2rem;
        }
        .hero {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            min-height: 45vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            margin-top: 0;
            border-bottom: 2px solid var(--border-muted);
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            align-items: flex-start;
            max-width: 720px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-sand);
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            color: var(--accent-amber);
        }
        .hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 600px;
            line-height: 1.65;
        }
        .hero-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.55);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-secondary:hover {
            background: rgba(245, 158, 11, 0.08);
        }
        section {
            padding: var(--space-xl) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.1);
            padding: 0.35rem 1rem;
            border-radius: var(--radius-xl);
            margin-bottom: var(--space-sm);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-sm);
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            max-width: 680px;
            line-height: 1.6;
        }
        .room-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .room-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
            position: relative;
        }
        .room-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.2);
            border-color: rgba(245, 158, 11, 0.4);
        }
        .room-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .room-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .room-card:hover .room-card-img img {
            transform: scale(1.05);
        }
        .room-card-badge {
            position: absolute;
            top: var(--space-sm);
            right: var(--space-sm);
            background: var(--accent-amber);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-xl);
            z-index: 2;
        }
        .room-card-body {
            padding: var(--space-md);
        }
        .room-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-xs);
        }
        .room-card-body p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.55;
        }
        .room-card-stats {
            display: flex;
            gap: var(--space-md);
            margin-top: var(--space-sm);
            padding-top: var(--space-sm);
            border-top: 1px solid var(--border-muted);
        }
        .room-stat {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: var(--accent-amber);
        }
        .room-stat i {
            font-size: 0.9rem;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
            background: var(--bg-secondary);
            padding: var(--space-md);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
        }
        .feature-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-glow);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            background: rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 1.4rem;
        }
        .feature-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: 0.3rem;
        }
        .feature-text p {
            font-size: 0.85rem;
            color: var(--text-mint);
            line-height: 1.5;
        }
        .tier-comparison {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-sm);
            margin-top: var(--space-lg);
        }
        .tier-col {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            border: 1px solid var(--border-muted);
            text-align: center;
            transition: all var(--transition-base);
        }
        .tier-col.featured {
            border-color: var(--accent-amber);
            box-shadow: 0 0 28px rgba(245, 158, 11, 0.2);
            transform: translateY(-8px);
        }
        .tier-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }
        .tier-bet {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-bottom: var(--space-sm);
        }
        .tier-list {
            list-style: none;
            padding: 0;
            text-align: left;
        }
        .tier-list li {
            font-size: 0.8rem;
            color: var(--text-mint);
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .tier-list li::before {
            content: '✓';
            color: var(--accent-green);
            font-weight: 700;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .step-item {
            text-align: center;
            position: relative;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -50%;
            width: 100%;
            height: 2px;
            background: var(--border-muted);
            z-index: 0;
        }
        .step-number {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            font-size: 1.3rem;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            position: relative;
            z-index: 1;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: 0.3rem;
        }
        .step-item p {
            font-size: 0.8rem;
            color: var(--text-mint);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .news-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .news-card-img {
            height: 170px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: var(--space-md);
        }
        .news-card-body .news-cat {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--accent-amber);
            margin-bottom: var(--space-xs);
        }
        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-xs);
            line-height: 1.35;
        }
        .news-card-body p {
            font-size: 0.8rem;
            color: var(--text-mint);
            line-height: 1.5;
        }
        .cta-banner {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(16, 185, 129, 0.1));
            border-radius: var(--radius-xl);
            padding: var(--space-lg);
            border: 1px solid var(--border-muted);
            text-align: center;
            margin-top: var(--space-lg);
        }
        .cta-banner h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-sm);
        }
        .cta-banner .btn-primary {
            margin-top: var(--space-sm);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            margin-top: var(--space-lg);
        }
        .faq-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-muted);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            padding: var(--space-md);
            background: transparent;
            color: var(--text-sand);
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
        }
        .faq-question i {
            color: var(--accent-amber);
            transition: transform var(--transition-base);
        }
        .faq-answer {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.6;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: var(--space-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.85rem;
            color: var(--text-mint);
            display: block;
            margin-bottom: 0.4rem;
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: rgba(167, 243, 208, 0.5);
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-muted);
        }
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #F59E0B, #FEF3C7);
            color: #031A12;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            animation: gentle-float 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 32px rgba(245, 158, 11, 0.5);
        }
        @keyframes gentle-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        @media (max-width: 1024px) {
            .tier-comparison {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(3, 26, 18, 0.98);
                padding: var(--space-md);
                border-bottom: 1px solid var(--border-muted);
            }
            nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero {
                min-height: auto;
                padding: 6rem 0 3rem;
            }
            .room-grid {
                grid-template-columns: 1fr;
            }
            .tier-comparison {
                grid-template-columns: 1fr;
            }
            .tier-col.featured {
                transform: translateY(0);
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .container {
            width: 90%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-muted);
            z-index: 1000;
            padding: var(--space-xs) 0;
            transition: background-color var(--transition-base);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }
        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            position: relative;
            padding: 0.3rem 0;
            white-space: nowrap;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width var(--transition-base);
        }
        nav a:hover,
        nav a.active {
            color: var(--accent-amber);
        }
        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 1.8rem;
            line-height: 1;
            padding: 0.2rem;
        }
        .hero-banner {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            min-height: 42vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 3rem;
            margin-top: 0;
            border-bottom: 2px solid var(--border-muted);
        }
        .hero-banner .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            align-items: flex-start;
            max-width: 750px;
        }
        .hero-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-sand);
            letter-spacing: -0.5px;
        }
        .hero-banner h1 span {
            color: var(--accent-amber);
        }
        .hero-banner .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 620px;
            line-height: 1.65;
        }
        .hero-banner .hero-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.5);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid var(--text-mint);
            color: var(--text-mint);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-light:hover {
            background: rgba(167, 243, 208, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }
        .timeline-roadmap {
            padding: var(--space-xl) 0;
            background: var(--bg-secondary);
        }
        .timeline-roadmap h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-lg);
            position: relative;
            display: inline-block;
        }
        .timeline-roadmap h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }
        .roadmap-timeline {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .roadmap-item {
            display: flex;
            align-items: flex-start;
            gap: var(--space-md);
            background: rgba(6, 46, 32, 0.6);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            transition: all var(--transition-base);
        }
        .roadmap-item:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
        }
        .roadmap-dot {
            flex-shrink: 0;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-amber);
            margin-top: 0.3rem;
            box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
        }
        .roadmap-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 0.3rem;
        }
        .roadmap-info p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .roadmap-info .roadmap-date {
            display: inline-block;
            background: var(--bg-primary);
            color: var(--text-sand);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-xl);
            margin-bottom: 0.5rem;
            border: 1px solid var(--border-muted);
        }
        .events-metrics {
            padding: var(--space-xl) 0;
            background: var(--bg-primary);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-md);
        }
        .metric-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            text-align: left;
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }
        .metric-card .metric-icon {
            font-size: 2.2rem;
            margin-bottom: var(--space-sm);
        }
        .metric-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: 0.3rem;
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-amber);
            line-height: 1.2;
        }
        .metric-card p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }
        .events-grid-section {
            padding: var(--space-xl) 0;
            background: var(--bg-primary);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
            margin-bottom: var(--space-lg);
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-sand);
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 2px;
        }
        .badge-status {
            display: inline-block;
            background: var(--accent-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.25rem 0.9rem;
            border-radius: var(--radius-xl);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .badge-soon {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 0.25rem 0.9rem;
            border-radius: var(--radius-xl);
            border: 1px solid var(--accent-amber);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
        }
        .promo-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .promo-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--accent-amber);
        }
        .promo-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .promo-card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--space-xs);
        }
        .promo-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-sand);
        }
        .promo-card-body p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.55;
            flex: 1;
        }
        .promo-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--space-xs);
            border-top: 1px solid var(--border-muted);
            margin-top: var(--space-xs);
        }
        .promo-card-footer .btn-sm {
            background: var(--accent-amber);
            color: var(--bg-primary);
            padding: 0.4rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition-base);
        }
        .promo-card-footer .btn-sm:hover {
            background: #FEF3C7;
            transform: scale(1.03);
        }
        .vip-tier-section {
            padding: var(--space-xl) 0;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        }
        .vip-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .vip-card {
            background: rgba(6, 46, 32, 0.8);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: left;
            transition: all var(--transition-base);
            position: relative;
        }
        .vip-card.featured {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
            background: rgba(6, 46, 32, 0.95);
        }
        .vip-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-amber);
        }
        .vip-card .vip-level {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-amber);
            margin-bottom: 0.5rem;
        }
        .vip-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-sand);
            margin-bottom: var(--space-sm);
        }
        .vip-card ul {
            list-style: none;
            padding: 0;
            margin-bottom: var(--space-md);
        }
        .vip-card ul li {
            padding: 0.4rem 0;
            color: var(--text-mint);
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(167, 243, 208, 0.1);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .vip-card ul li::before {
            content: '✦';
            color: var(--accent-amber);
            font-size: 0.7rem;
        }
        .news-list-section {
            padding: var(--space-xl) 0;
            background: var(--bg-primary);
        }
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: var(--space-md);
        }
        .news-item {
            display: flex;
            gap: var(--space-sm);
            padding: var(--space-sm);
            border-radius: var(--radius-md);
            background: rgba(6, 46, 32, 0.4);
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--border-muted);
            background: rgba(6, 46, 32, 0.7);
        }
        .news-item img {
            width: 100px;
            height: 70px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .news-item-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-sand);
            line-height: 1.4;
            margin-bottom: 0.2rem;
        }
        .news-item-body h4:hover {
            color: var(--accent-amber);
        }
        .news-item-body .news-meta {
            font-size: 0.8rem;
            color: var(--text-mint);
        }
        .faq-section {
            padding: var(--space-xl) 0;
            background: var(--bg-secondary);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .faq-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-amber);
        }
        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 0.5rem;
        }
        .faq-item p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.55;
        }
        .cta-section {
            padding: var(--space-xl) 0;
            background: linear-gradient(rgba(6, 46, 32, 0.8), rgba(3, 26, 18, 0.95)), url('/assets/images/backpic/back-7.jpg') center/cover no-repeat;
            border-top: 2px solid var(--accent-amber);
            border-bottom: 2px solid var(--accent-amber);
        }
        .cta-section .container {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: var(--space-md);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-sand);
        }
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.1rem;
            max-width: 650px;
        }
        .cta-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }
        footer {
            background: var(--bg-secondary);
            border-top: 2px solid var(--border-muted);
            padding: var(--space-xl) 0 var(--space-md);
            color: var(--text-mint);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }
        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-mint);
            display: block;
            margin-bottom: 0.4rem;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-muted);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .floating-fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--accent-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            opacity: 0.8;
            animation: fab-float 3s ease-in-out infinite;
        }
        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }
        .floating-fab .badge-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
        }
        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        @media (max-width: 1024px) {
            nav {
                gap: var(--space-sm);
            }
            nav a {
                font-size: 0.85rem;
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
            .promo-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                padding: var(--space-md);
                border-radius: var(--radius-md);
                margin-top: var(--space-xs);
                gap: var(--space-sm);
            }
            nav.open {
                display: flex;
            }
            .header-actions {
                gap: 0.3rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .hero-banner {
                min-height: 35vh;
                padding: 6rem 0 2rem;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.95rem;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .vip-cards {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .roadmap-item {
                flex-direction: column;
                gap: var(--space-sm);
            }
        }
        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.35rem;
            }
            .section-header h2,
            .timeline-roadmap h2,
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .promo-card img {
                height: 160px;
            }
            .container {
                width: 94%;
            }
            .floating-fab {
                left: 0.8rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --accent-amber: #F59E0B;
            --accent-green: #10B981;
            --text-white: #F0FDF4;
            --text-mint: #A7F3D0;
            --text-sand: #FEF3C7;
            --border-muted: rgba(245, 158, 11, 0.2);
            --shadow-glow: 0 6px 25px rgba(245, 158, 11, 0.15);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 0.5rem;
            --radius-md: 1rem;
            --radius-lg: 1.5rem;
            --radius-xl: 2rem;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .container {
            width: 90%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-sm);
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-muted);
            z-index: 1000;
            padding: var(--space-xs) 0;
            transition: background-color var(--transition-base);
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }

        nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-mint);
            position: relative;
            padding: 0.3rem 0;
            white-space: nowrap;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-amber);
            transition: width var(--transition-base);
        }

        nav a:hover,
        nav a.active {
            color: var(--accent-amber);
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .btn-login {
            background: transparent;
            border: 1.5px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-amber), #FEF3C7);
            color: var(--bg-primary);
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 1.8rem;
            line-height: 1;
            padding: 0.2rem;
        }

        /* Hero */
        .hero {
            background: linear-gradient(rgba(6, 46, 32, 0.7), rgba(3, 26, 18, 0.9)), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            min-height: 45vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            border-bottom: 2px solid var(--border-muted);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            align-items: flex-start;
            max-width: 720px;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-sand);
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            color: var(--accent-amber);
        }

        .hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-mint);
            max-width: 600px;
            line-height: 1.65;
        }

        .hero-buttons {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            margin-top: var(--space-xs);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), #FDE68A);
            color: #031A12;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.6);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent-amber);
            color: var(--accent-amber);
            padding: 0.75rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            background: rgba(245, 158, 11, 0.15);
            transform: translateY(-2px);
        }

        /* Section Styles */
        section {
            padding: var(--space-xl) 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-sm);
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 650px;
            margin-bottom: var(--space-lg);
            line-height: 1.6;
        }

        /* Guide Steps Section */
        .guide-steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-lg);
        }

        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-lg);
            padding: var(--space-lg) var(--space-md);
            position: relative;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .step-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .step-number {
            position: absolute;
            top: -18px;
            left: var(--space-md);
            background: linear-gradient(135deg, var(--accent-amber), #FDE68A);
            color: #031A12;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
        }

        .step-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-top: var(--space-xs);
        }

        .step-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Metrics Bar */
        .metrics-bar {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
            border-bottom: 1px solid var(--border-muted);
            padding: var(--space-lg) 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: var(--space-md);
            text-align: center;
        }

        .metric-item h3 {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-amber), #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .metric-item p {
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }

        /* Strategy Cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .strategy-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
        }

        .strategy-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-glow);
        }

        .strategy-img {
            height: 200px;
            overflow: hidden;
        }

        .strategy-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .strategy-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .strategy-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-sand);
        }

        .strategy-body p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-xl);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            border: 1px solid rgba(245, 158, 11, 0.3);
        }

        /* Tips Accordion */
        .tips-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .tip-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-muted);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .tip-item:hover {
            border-color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.05);
        }

        .tip-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
        }

        .tip-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-sand);
        }

        .tip-icon {
            color: var(--accent-amber);
            font-size: 1.1rem;
            transition: transform var(--transition-base);
        }

        .tip-body {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-top: var(--space-sm);
            display: none;
        }

        .tip-item.open .tip-body {
            display: block;
        }

        .tip-item.open .tip-icon {
            transform: rotate(180deg);
        }

        /* Articles Grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-lg);
        }

        .article-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-muted);
            transition: all var(--transition-base);
        }

        .article-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .article-img {
            height: 180px;
            overflow: hidden;
        }

        .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-body {
            padding: var(--space-md);
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .article-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-sand);
            line-height: 1.4;
        }

        .article-excerpt {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary), #0a3d2a);
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            border: 1px solid var(--border-muted);
            text-align: left;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-sand);
            margin-bottom: var(--space-sm);
        }

        .cta-section p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            max-width: 600px;
        }

        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        /* Footer */
        footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-muted);
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: var(--space-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: var(--space-sm);
        }

        .footer-col p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col a {
            display: block;
            color: var(--text-mint);
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--accent-amber);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-mint);
            font-size: 0.85rem;
            opacity: 0.7;
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), #FDE68A);
            border: 2px solid var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #031A12;
            transition: all var(--transition-base);
            animation: fabFloat 2.5s ease-in-out infinite;
        }

        .fab:hover {
            transform: scale(1.15);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
        }

        @keyframes fabFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        .fab .fab-notif {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-secondary);
                padding: var(--space-sm);
                border-radius: var(--radius-md);
                margin-top: var(--space-xs);
            }
            nav.active-mobile {
                display: flex;
            }
            header .container {
                flex-wrap: wrap;
            }
            .header-actions {
                margin-left: auto;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: var(--space-lg) var(--space-md);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 55vh;
                padding: 6rem 0 3rem;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .guide-steps-grid {
                grid-template-columns: 1fr;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }