/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8FBCA5;
            --border-soft: rgba(255, 204, 0, 0.2);
            --border-gold: rgba(255, 204, 0, 0.5);
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.15);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-primary);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border: 1px solid var(--border-soft);
            border-radius: 50px;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
        }

        .btn-signup:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.4);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
            }
        }

        /* Hero Section */
        .hero {
            padding: 120px 0 80px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-white);
        }

        .hero-text h1 span {
            color: var(--accent-gold);
            display: inline;
        }

        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: 36px;
            line-height: 1.7;
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .bento-main {
            grid-column: 1 / -1;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px;
            text-align: center;
        }

        .bento-main .bento-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .bento-main h3 {
            font-size: 1.5rem;
            font-weight: 700;
        }

        .bento-main p {
            color: var(--text-muted);
            margin: 8px 0;
        }

        .bento-small {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .bento-small i {
            font-size: 2rem;
            color: var(--accent-lime);
            margin-bottom: 8px;
        }

        .bento-small span {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.35);
        }

        .btn-primary:hover {
            background: #ffe066;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 204, 0, 0.45);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid var(--text-light);
            color: var(--text-light);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
        }

        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 640px) {
            .hero {
                padding: 100px 0 60px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-bento {
                grid-template-columns: 1fr;
            }
        }

        /* Section Titles */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .section-desc {
            color: var(--text-light);
            font-size: 1.05rem;
            margin-bottom: 48px;
            max-width: 700px;
        }

        /* Coupon / Offer Grid */
        .offer-grid {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        .offer-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .offer-card {
            background: linear-gradient(145deg, rgba(11, 60, 37, 0.8), rgba(6, 35, 21, 0.9));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: left;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .offer-card::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: var(--accent-gold);
            opacity: 0.1;
            border-radius: 50%;
        }

        .offer-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }

        .offer-label {
            display: inline-block;
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .offer-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .offer-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .offer-highlight {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 12px 0 8px;
        }

        /* Rules Section */
        .rules-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        .rules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .rule-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all 0.3s ease;
        }

        .rule-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--accent-lime);
        }

        .rule-icon {
            font-size: 1.8rem;
            color: var(--accent-lime);
            flex-shrink: 0;
            width: 44px;
            text-align: center;
        }

        .rule-info h4 {
            font-weight: 700;
            margin-bottom: 6px;
            font-size: 1.05rem;
        }

        .rule-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Matrix / Entrance Grid */
        .entrance-matrix {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .matrix-card {
            background: rgba(11, 60, 37, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 18px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .matrix-card:hover {
            background: rgba(255, 204, 0, 0.08);
            border-color: var(--accent-gold);
            transform: translateY(-4px);
        }

        .matrix-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .matrix-card h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .matrix-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* News Section */
        .news-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .news-item:hover {
            padding-left: 12px;
            border-color: var(--accent-gold);
        }

        .news-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.4;
        }

        .news-item h4 a {
            color: var(--text-white);
        }

        .news-item h4 a:hover {
            color: var(--accent-gold);
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
        }

        .news-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px;
            position: sticky;
            top: 100px;
        }

        .news-sidebar h4 {
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: var(--accent-gold);
        }

        .sidebar-item {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .sidebar-item:last-child {
            border-bottom: none;
        }

        .sidebar-item i {
            color: var(--accent-lime);
            font-size: 0.9rem;
        }

        .sidebar-item span {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
        }

        /* Reward Preview */
        .reward-preview {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
        }

        .reward-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .reward-card {
            background: rgba(255, 204, 0, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            transition: all 0.4s ease;
        }

        .reward-card:hover {
            background: rgba(255, 204, 0, 0.12);
            box-shadow: 0 0 30px rgba(255, 204, 0, 0.2);
            transform: scale(1.03);
        }

        .reward-icon {
            font-size: 2.8rem;
            margin-bottom: 16px;
        }

        .reward-card h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .reward-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 800px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.04);
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 0.9rem;
            transition: transform 0.3s;
        }

        .faq-answer {
            color: var(--text-light);
            margin-top: 12px;
            line-height: 1.6;
            font-size: 0.95rem;
        }

        /* CTA Final */
        .cta-final {
            padding: 100px 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            text-align: center;
        }

        .cta-final::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(6, 35, 21, 0.85);
        }

        .cta-final > * {
            position: relative;
            z-index: 1;
        }

        .cta-final h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .cta-final p {
            color: var(--text-light);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            padding: 60px 0 32px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul li a {
            color: var(--text-muted);
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .footer-bottom strong {
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            animation: float 2.5s ease-in-out infinite;
            cursor: pointer;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 204, 0, 0.5);
            background: var(--accent-gold);
            color: var(--bg-secondary);
        }

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

/* roulang page: article */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8FBCA5;
            --border-soft: rgba(255, 204, 0, 0.2);
            --border-gold: rgba(255, 204, 0, 0.5);
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.15);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-primary);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
            white-space: nowrap;
            transition: color 0.3s ease;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.4);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Article Hero */
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .article-hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .article-category {
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid var(--border-gold);
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date i {
            font-size: 0.85rem;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 20px;
        }

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

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.7;
            border-left: 3px solid var(--accent-gold);
            padding-left: 20px;
            margin-top: 16px;
        }

        /* Article Body */
        .article-body-wrapper {
            padding: 60px 0 80px;
            background: var(--bg-primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }

        .article-content {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(10px);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 36px 0 16px;
            line-height: 1.3;
        }

        .article-content h2:first-child {
            margin-top: 0;
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 28px 0 12px;
            line-height: 1.3;
        }

        .article-content p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .article-content strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .article-content blockquote {
            background: rgba(255, 204, 0, 0.05);
            border-left: 4px solid var(--accent-gold);
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            width: 100%;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }

        .article-content table th {
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            padding: 12px 16px;
            text-align: left;
            font-weight: 700;
            border: 1px solid var(--border-soft);
        }

        .article-content table td {
            padding: 10px 16px;
            border: 1px solid var(--border-soft);
            color: var(--text-light);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .sidebar-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            font-size: 1rem;
        }

        .sidebar-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .stat-item {
            background: rgba(255, 204, 0, 0.08);
            border-radius: var(--radius-sm);
            padding: 16px;
            text-align: center;
            border: 1px solid rgba(255, 204, 0, 0.15);
        }

        .stat-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .promo-banner {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.12) 0%, rgba(50, 205, 50, 0.08) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
        }

        .promo-banner h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .promo-banner p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .btn-promo {
            display: inline-block;
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
        }

        .btn-promo:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.4);
        }

        .related-articles {
            list-style: none;
            padding: 0;
        }

        .related-articles li {
            margin-bottom: 12px;
        }

        .related-articles a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-size: 0.9rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }

        .related-articles a:hover {
            background: rgba(255, 204, 0, 0.08);
            color: var(--accent-gold);
        }

        .related-articles a i {
            font-size: 0.7rem;
            color: var(--accent-gold);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 70px 0;
            border-top: 1px solid var(--border-soft);
        }

        .cta-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .cta-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .cta-card p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-cta {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-cta:hover {
            background: #ffe066;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 204, 0, 0.5);
        }

        .btn-outline-cta {
            background: transparent;
            color: var(--text-light);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            border: 2px solid var(--border-gold);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-cta:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.05);
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-soft);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-bottom strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .footer-bottom p {
            margin-bottom: 4px;
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found-state i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 24px;
            display: block;
        }

        .not-found-state h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .not-found-state p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            transition: all 0.3s ease;
        }

        .btn-back-home:hover {
            background: #ffe066;
            transform: translateY(-2px);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 80px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.75;
        }

        .fab i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 204, 0, 0.5);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--bg-secondary);
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

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

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

            .article-content {
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

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

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
            }

            .article-hero {
                padding: 120px 0 40px;
            }

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

            .article-sidebar {
                grid-template-columns: 1fr;
            }

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

            .cta-card {
                padding: 32px 24px;
            }

            .cta-card h3 {
                font-size: 1.4rem;
            }

            .article-content {
                padding: 20px;
            }

            .article-content h2 {
                font-size: 1.4rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }
        }

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

            .nav-logo {
                font-size: 0.95rem;
            }

            .btn-login, .btn-signup {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

            .article-hero h1 {
                font-size: 1.35rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8FBCA5;
            --border-soft: rgba(255, 204, 0, 0.2);
            --border-gold: rgba(255, 204, 0, 0.5);
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.15);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-primary);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border: 1px solid var(--border-soft);
            border-radius: 50px;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
        }
        .btn-signup:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.4);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        /* Category Hero */
        .category-hero {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .category-hero-text h1 span {
            color: var(--accent-gold);
        }
        .category-hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .category-hero-visual {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-gold);
        }
        .category-hero-visual img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
        }
        /* Metrics Panel */
        .metrics-panel {
            padding: 48px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .metric-item {
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }
        .metric-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 8px;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.95rem;
            color: var(--text-light);
            font-weight: 500;
        }
        /* Methods Section */
        .methods {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
        }
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .method-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.3s ease;
        }
        .method-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .method-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(255, 204, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--accent-gold);
        }
        .method-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .method-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        /* Comparison Section */
        .comparison {
            padding: 80px 0;
            background: var(--bg-secondary);
        }
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            padding: 8px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .comparison-table th {
            background: rgba(255, 204, 0, 0.08);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-soft);
        }
        .comparison-table td {
            padding: 14px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-soft);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .badge-highlight {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
        }
        /* FAQ */
        .faq {
            padding: 80px 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--accent-lime);
            font-size: 1.1rem;
        }
        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #0a2e1a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/coverpic/cover-1.jpg') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .cta-text p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255, 204, 0, 0.45);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: 2px solid var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary:hover {
            background: rgba(255, 204, 0, 0.1);
        }
        .cta-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
        }
        .cta-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
        }
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-col h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color 0.3s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-soft);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(255, 204, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 204, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            animation: float-slow 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.1) rotate(360deg);
            opacity: 1;
            box-shadow: 0 6px 28px rgba(255, 204, 0, 0.5);
        }
        @keyframes float-slow {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-8px); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .category-hero-text h1 {
                font-size: 2.2rem;
            }
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-content {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 20px;
            }
            .nav-links a {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
            }
            .category-hero-text h1 {
                font-size: 1.8rem;
            }
            .methods-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .cta-text h2 {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8FBCA5;
            --border-soft: rgba(255, 204, 0, 0.2);
            --border-gold: rgba(255, 204, 0, 0.5);
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.15);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        button, .btn {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: var(--font-primary);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.9);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--accent-lime);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            position: relative;
            padding: 4px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border: 1px solid var(--border-soft);
            border-radius: 50px;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 50px;
            box-shadow: 0 4px 16px rgba(255, 204, 0, 0.3);
        }
        .btn-signup:hover {
            background: #ffe066;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 204, 0, 0.4);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        /* Hero Category */
        .hero-category {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-cat-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-cat-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .hero-cat-text h1 span {
            color: var(--accent-gold);
            display: inline;
        }
        .hero-cat-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-cat-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
        }
        /* Promo Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 28px;
            margin-top: -40px;
            position: relative;
            z-index: 2;
        }
        .promo-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.3s ease;
        }
        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .promo-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 204, 0, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--accent-gold);
        }
        .promo-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--accent-gold);
        }
        .promo-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .promo-badge {
            display: inline-block;
            background: var(--accent-lime);
            color: var(--bg-secondary);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        /* Steps Flow */
        .steps-section {
            padding: 80px 0;
        }
        .section-label {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 48px;
        }
        .steps-flow {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .step-item {
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: 28px;
            align-items: start;
        }
        .step-num {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 204, 0, 0.1);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        .step-text h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }
        .step-text p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Table Compare */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            margin-top: 32px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .compare-table th {
            background: rgba(255, 204, 0, 0.08);
            text-align: left;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.95rem;
        }
        .compare-table td {
            padding: 14px 20px;
            border-top: 1px solid var(--border-soft);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .check-icon {
            color: var(--accent-lime);
            margin-right: 6px;
        }
        /* CTA Banner */
        .cta-banner {
            padding: 80px 0;
            text-align: center;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(255, 204, 0, 0.08), rgba(50, 205, 50, 0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }
        .btn-cta-lg {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 6px 24px rgba(255, 204, 0, 0.35);
            display: inline-block;
        }
        .btn-cta-lg:hover {
            background: #ffe066;
            transform: translateY(-2px);
        }
        /* FAQ */
        .faq-section {
            padding: 80px 0;
        }
        .faq-grid {
            display: grid;
            gap: 20px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 10px;
            color: var(--accent-gold);
        }
        .faq-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            padding: 60px 0 32px;
            border-top: 1px solid var(--border-soft);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
        }
        /* Mobile Menu Active State */
        .nav-links.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(6, 35, 21, 0.98);
            padding: 24px;
            gap: 16px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-cat-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-cat-text h1 {
                font-size: 2.2rem;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: inline-block;
            }
            .hero-cat-text h1 {
                font-size: 1.8rem;
            }
            .steps-flow {
                gap: 28px;
            }
            .step-item {
                grid-template-columns: 1fr;
                gap: 16px;
                text-align: left;
            }
            .step-num {
                width: 60px;
                height: 60px;
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }