/* roulang page: index */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #E5C468;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header */
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i {
            font-size: 1.8rem;
            color: #F7B731;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
        }
        /* Hero */
        .hero {
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-attachment: fixed;
            position: relative;
            padding: 80px 0 90px;
            color: var(--text-primary);
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,10,0.8) 0%, rgba(11,12,14,0.9) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--accent-gold);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            font-family: var(--font-heading);
            color: #FFF;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }
        .hero h1 .gold {
            color: var(--accent-gold);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin: 0 auto 30px;
            max-width: 650px;
            line-height: 1.7;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            border: none;
            color: #0A0B0D;
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 30px rgba(212, 175, 55, 0.4);
            background: linear-gradient(135deg, #E5C357, #C9A62A);
        }
        .btn-outline-white {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.4);
            color: #fff;
            padding: 13px 32px;
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-white:hover {
            background: rgba(255,255,255,0.08);
            border-color: #fff;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .stat-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-muted);
        }
        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background: var(--bg-secondary);
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            font-family: var(--font-heading);
        }
        .section-subtitle {
            color: var(--text-muted);
            max-width: 650px;
            margin-bottom: 36px;
            font-size: 1rem;
            line-height: 1.6;
        }
        .left-align {
            text-align: left;
            margin-left: 0;
        }
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .card:hover {
            border-color: rgba(212, 175, 55, 0.35);
            transform: translateY(-4px);
            box-shadow: 0 14px 28px rgba(0,0,0,0.5);
        }
        .card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }
        .card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
        }
        .feature-img img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
        }
        .steps-row {
            display: flex;
            gap: 24px;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .step {
            flex: 1;
            min-width: 180px;
            background: var(--bg-card);
            padding: 30px 20px;
            border-radius: var(--radius-md);
            text-align: center;
            border-top: 3px solid var(--accent-gold);
        }
        .step-number {
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
            margin-bottom: 8px;
        }
        .milestone-bar {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 30px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .milestone-node {
            text-align: center;
            flex: 1;
            background: var(--bg-card);
            padding: 18px;
            border-radius: var(--radius-md);
        }
        .promo-banner {
            background: linear-gradient(135deg, #2A1A0A, #3D2B12);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            border: 1px solid var(--border-gold);
        }
        .promo-text h3 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .app-download-area {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--bg-card);
            padding: 40px;
            border-radius: var(--radius-xl);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 14px;
            border-left: 3px solid var(--accent-gold);
        }
        .faq-item h4 {
            font-weight: 600;
            margin-bottom: 6px;
        }
        .footer {
            background: #060709;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            padding: 50px 0 30px;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 30px;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            font-size: 0.8rem;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 99;
            width: 56px;
            height: 56px;
            background: linear-gradient(145deg, #D4AF37, #9E7E1C);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A0B0D;
            font-size: 1.8rem;
            box-shadow: 0 10px 25px rgba(212,175,55,0.5);
            transition: 0.25s;
            animation: floatFab 3s infinite ease-in-out;
        }
        .fab:hover {
            transform: scale(1.1);
        }
        @keyframes floatFab {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-7px); }
        }
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .news-item {
            background: var(--bg-card);
            padding: 16px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 14px;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                background: var(--bg-primary);
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                padding: 20px;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
            .steps-row {
                flex-direction: column;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #E5C468;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo i {
            font-size: 1.8rem;
            color: #F7B731;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
        }

        /* Article Hero Banner */
        .article-hero {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            padding: 60px 0 70px;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,10,0.85) 0%, rgba(11,12,14,0.95) 100%);
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: left;
        }

        .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--accent-gold);
        }

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

        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            color: #FFF;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        .article-meta {
            display: flex;
            gap: 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--accent-gold);
        }

        /* Article Content Area */
        .article-main {
            padding: 50px 0 70px;
        }

        .article-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }

        .article-content-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 36px 0 16px;
            font-family: var(--font-heading);
        }

        .article-content h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin: 28px 0 12px;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul, .article-content ol {
            margin: 16px 0 20px 24px;
            color: var(--text-secondary);
        }

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

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

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: 16px 20px;
            margin: 24px 0;
            background: rgba(212, 175, 55, 0.05);
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-soft);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .article-not-found .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            color: #0A0B0D;
            padding: 14px 34px;
            border-radius: 30px;
            font-weight: 700;
            transition: var(--transition);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 88px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            margin-bottom: 28px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            font-size: 1.1rem;
        }

        .sidebar-post-item {
            display: flex;
            gap: 14px;
            margin-bottom: 18px;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border-soft);
            align-items: flex-start;
        }

        .sidebar-post-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .sidebar-post-thumb {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            border-radius: 10px;
            overflow: hidden;
        }

        .sidebar-post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-post-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .sidebar-post-info a:hover h4 {
            color: var(--accent-gold);
        }

        .sidebar-post-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, #14161B, #1A1D23);
            border: 2px solid rgba(212, 175, 55, 0.3);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            text-align: center;
        }

        .sidebar-cta-card i {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .sidebar-cta-card h4 {
            font-size: 1.15rem;
            color: #FFF;
            margin-bottom: 10px;
            font-weight: 700;
        }

        .sidebar-cta-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 18px;
        }

        .btn-sidebar-cta {
            display: block;
            width: 100%;
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            text-align: center;
        }

        .btn-sidebar-cta:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
        }

        /* Related Section */
        .related-section {
            padding: 60px 0 40px;
            background: var(--bg-primary);
        }

        .related-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 32px;
            font-family: var(--font-heading);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .related-section h2 i {
            color: var(--accent-gold);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .related-card:hover {
            border-color: rgba(212, 175, 55, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.5);
        }

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

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-card-body {
            padding: 20px;
        }

        .related-card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .related-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Footer */
        .footer {
            background: #0A0B0D;
            border-top: 1px solid var(--border-soft);
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--border-soft);
            margin-bottom: 24px;
        }

        .footer-grid h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

        .footer-grid a {
            display: block;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .footer-grid a:hover {
            color: var(--accent-gold);
        }

        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #C09B2F, #6B4E0A);
            border: 2px solid #D4AF37;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #FFF;
            transition: var(--transition);
            opacity: 0.85;
            animation: fabFloat 3s ease-in-out infinite;
        }

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

        .fab:hover {
            opacity: 1;
            transform: scale(1.1) translateY(-2px);
            box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
        }

        .fab:active {
            transform: scale(0.95) translateY(1px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .sidebar-card:last-child {
                grid-column: span 2;
            }

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

            .article-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(10,11,13,0.98);
                flex-direction: column;
                padding: 24px;
                gap: 12px;
                border-bottom: 1px solid var(--border-soft);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
            }

            .nav-links.open {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-content-section {
                padding: 28px 20px;
            }

            .article-meta {
                gap: 14px;
                font-size: 0.85rem;
            }

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

            .sidebar-card:last-child {
                grid-column: span 1;
            }

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

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

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .header-actions {
                gap: 8px;
            }

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

            .btn-signup {
                padding: 6px 16px;
                font-size: 0.8rem;
            }

            .article-hero {
                padding: 40px 0 50px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #E5C468;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header */
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i {
            font-size: 1.8rem;
            color: #F7B731;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
        }
        /* Category Hero */
        .category-hero {
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            background-attachment: fixed;
            position: relative;
            padding: 70px 0 80px;
            color: var(--text-primary);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,11,13,0.85) 0%, rgba(11,12,14,0.95) 100%);
        }
        .hero-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        @media (max-width: 768px) {
            .hero-layout {
                grid-template-columns: 1fr;
            }
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            color: #FFF;
        }
        .hero-text h1 .gold {
            color: var(--accent-gold);
        }
        .hero-text p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            border: none;
            color: #0A0B0D;
            padding: 13px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #C09B2F, #9E7E1A);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
        }
        .leaderboard-panel {
            background: rgba(26, 29, 35, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }
        .leaderboard-panel h3 {
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .leader-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .leader-item:last-child {
            border-bottom: none;
        }
        .leader-rank {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--border-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .leader-rank.gold {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
        }
        .leader-info {
            flex: 1;
            margin-left: 12px;
        }
        .leader-name {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .leader-win {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
        }
        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-header {
            margin-bottom: 40px;
            max-width: 700px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            font-family: var(--font-heading);
            margin-bottom: 12px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
        }
        /* Promotion Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }
        @media (max-width: 520px) {
            .promo-grid {
                grid-template-columns: 1fr;
            }
        }
        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .promo-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(212, 175, 55, 0.15);
        }
        .promo-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .promo-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-gold);
            color: #0A0B0D;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 2;
        }
        .promo-card-body {
            padding: 20px;
        }
        .promo-card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .promo-card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 14px;
            line-height: 1.65;
        }
        .promo-amount {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .btn-outline {
            border: 1px solid var(--accent-gold);
            background: transparent;
            color: var(--accent-gold);
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            display: inline-block;
        }
        .btn-outline:hover {
            background: rgba(212, 175, 55, 0.1);
        }
        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) {
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-row {
                grid-template-columns: 1fr;
            }
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: var(--border-gold);
        }
        .step-num {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            color: #0A0B0D;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-item h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: var(--font-body);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-arrow {
            transition: transform 0.25s ease;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(20, 22, 27, 0.95), rgba(26, 29, 35, 0.95));
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            margin-top: 40px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.5);
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        /* Content list */
        .content-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        @media (max-width: 520px) {
            .content-list {
                grid-template-columns: 1fr;
            }
        }
        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .content-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
        }
        .content-card-body {
            padding: 18px;
        }
        .content-card-body h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .content-card-body .date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .content-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            padding: 48px 0 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer h4 {
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 18px;
        }
        /* Responsive nav */
        @media (max-width: 900px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(11,12,14,0.98);
                flex-direction: column;
                gap: 16px;
                padding: 24px;
                border-bottom: 1px solid var(--border-soft);
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
        }
        /* 18+ badge */
        .badge-18 {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(220, 38, 38, 0.1);
            border: 1px solid rgba(220, 38, 38, 0.3);
            color: #DC2626;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 700;
        }
        .trust-row {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            padding: 20px 0;
            border-top: 1px solid var(--border-soft);
            margin-top: 40px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent-gold); text-decoration: none; transition: var(--transition); }
        a:hover { color: #E5C468; }
        button { cursor: pointer; font-family: inherit; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        
        /* Header */
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i { font-size: 1.8rem; color: #F7B731; }
        .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }
        .nav-links a.active { color: var(--accent-gold); }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 14px; }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover { background: rgba(212, 175, 55, 0.08); }
        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }
        .menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.6rem; }
        
        /* Category Hero */
        .cat-hero {
            background: url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            position: relative;
            padding: 90px 0 80px;
            color: var(--text-primary);
            background-attachment: fixed;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,10,0.85) 0%, rgba(11,12,14,0.92) 100%);
        }
        .cat-hero-content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; text-align: center; }
        .cat-hero-badge {
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--accent-gold);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
        }
        .cat-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            font-family: var(--font-heading);
            color: #FFF;
        }
        .cat-hero h1 .gold { color: var(--accent-gold); }
        .cat-hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin: 0 auto 24px;
            max-width: 600px;
            line-height: 1.7;
        }
        .stats-mini {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .stat-item { text-align: center; }
        .stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-gold); display: block; }
        .stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
        
        /* Sections */
        .section { padding: 70px 0; }
        .section-dark { background: var(--bg-secondary); }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
            text-align: left;
        }
        .section-sub {
            color: var(--text-muted);
            margin-bottom: 36px;
            text-align: left;
            font-size: 1rem;
            max-width: 650px;
        }
        
        /* Promo Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
        }
        .promo-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.5);
        }
        .promo-tag {
            display: inline-block;
            background: rgba(212,175,55,0.1);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .promo-card h3 { font-size: 1.3rem; font-weight: 700; }
        .promo-card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }
        .promo-card .btn-outline {
            align-self: flex-start;
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            cursor: pointer;
        }
        .promo-card .btn-outline:hover { background: rgba(212, 175, 55, 0.1); }
        
        /* Value Props */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .value-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .value-item i { font-size: 2.2rem; color: var(--accent-gold); margin-bottom: 16px; }
        .value-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
        .value-item p { font-size: 0.9rem; color: var(--text-muted); }
        
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-box {
            background: linear-gradient(145deg, #1A1D23, #12141A);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 30px 24px;
            position: relative;
        }
        .step-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: rgba(212, 175, 55, 0.15);
            position: absolute;
            top: 12px;
            right: 18px;
            line-height: 1;
        }
        .step-box h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .step-box p { font-size: 0.9rem; color: var(--text-secondary); }
        
        /* FAQ */
        .faq-list { max-width: 800px; }
        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 18px 0;
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            cursor: pointer;
        }
        .faq-a { color: var(--text-secondary); font-size: 0.95rem; display: none; padding-top: 4px; }
        .faq-item.open .faq-a { display: block; }
        
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, #1A1D23, #0F1015);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-banner h2 { font-size: 1.9rem; font-weight: 700; }
        .cta-banner p { color: var(--text-secondary); font-size: 1rem; }
        .btn-primary {
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            border: none;
            color: #0A0B0D;
            padding: 14px 34px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
            text-decoration: none;
            display: inline-block;
        }
        .btn-primary:hover { background: linear-gradient(135deg, #C09B2F, #A08118); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4); }
        
        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover { border-color: var(--border-gold); }
        .news-img { height: 180px; background: var(--bg-secondary); }
        .news-img img { width: 100%; height: 100%; object-fit: cover; }
        .news-body { padding: 20px; }
        .news-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
        .news-body p { font-size: 0.85rem; color: var(--text-muted); }
        .news-body .news-date { font-size: 0.8rem; color: var(--accent-gold); margin-bottom: 6px; display: block; }
        
        /* Footer */
        .footer {
            background: #0A0B0D;
            border-top: 1px solid var(--border-soft);
            padding: 50px 0 20px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .footer h4 { color: var(--accent-gold); margin-bottom: 14px; font-size: 1rem; }
        .footer a { display: block; color: var(--text-muted); margin-bottom: 8px; font-size: 0.9rem; }
        .copyright {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-top: 30px;
            padding-top: 16px;
            border-top: 1px solid var(--border-soft);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0B0C0E, #14161B);
            border: 2px solid var(--border-gold);
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.8;
        }
        .fab:hover { opacity: 1; transform: scale(1.1); }
        
        @media (max-width: 1024px) {
            .promo-grid { grid-template-columns: 1fr; }
            .value-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 68px; left: 0; width: 100%; background: var(--bg-primary); flex-direction: column; padding: 16px 20px; gap: 12px; border-bottom: 1px solid var(--border-soft); }
            .nav-links.active { display: flex; }
            .menu-toggle { display: block; }
            .cat-hero h1 { font-size: 2rem; }
            .value-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .cta-banner { flex-direction: column; text-align: center; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #E5C468;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .logo i {
            font-size: 1.8rem;
            color: #F7B731;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
        }
        .page-hero {
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            position: relative;
            padding: 70px 0 70px;
            color: var(--text-primary);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,10,0.85) 0%, rgba(11,12,14,0.92) 100%);
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--accent-gold);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            font-family: var(--font-heading);
            color: #FFF;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }
        .page-hero h1 .gold {
            color: var(--accent-gold);
        }
        .page-hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin: 0 auto 30px;
            max-width: 620px;
            line-height: 1.7;
        }
        .btn-primary {
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            border: none;
            color: #0A0B0D;
            padding: 14px 34px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.3);
            display: inline-block;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #C09B2F, #A07E1A);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(212, 175, 55, 0.4);
            color: #0A0B0D;
        }
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            font-family: var(--font-heading);
            color: var(--text-primary);
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 36px;
            max-width: 700px;
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: var(--transition);
        }
        .review-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 12px 28px rgba(0,0,0,0.5);
            transform: translateY(-4px);
        }
        .review-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .review-card:hover .review-card-img img {
            transform: scale(1.05);
        }
        .review-card-img .rating-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(212, 175, 55, 0.9);
            color: #0A0B0D;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .review-card-body {
            padding: 20px;
        }
        .review-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .review-card-body .review-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            display: flex;
            gap: 16px;
        }
        .review-card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .review-cta {
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .criteria-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .criteria-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .criteria-item:hover {
            border-color: var(--border-gold);
            background: #1E2129;
        }
        .criteria-item i {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
            display: block;
        }
        .criteria-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .criteria-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .expert-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            align-items: center;
        }
        .expert-avatar {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-full);
            border: 3px solid var(--border-gold);
            object-fit: cover;
        }
        .expert-quote {
            flex: 1;
            min-width: 250px;
        }
        .expert-quote blockquote {
            font-style: italic;
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.7;
            border-left: 3px solid var(--accent-gold);
            padding-left: 20px;
        }
        .expert-name {
            font-weight: 700;
            color: var(--text-primary);
        }
        .expert-role {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: var(--border-gold);
            background: #1E2129;
        }
        .news-item .news-thumb {
            width: 140px;
            height: 100px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item .news-info {
            flex: 1;
        }
        .news-item .news-info h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .news-item .news-info .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-item .news-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .faq-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--border-soft);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }
        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .cta-banner {
            background: linear-gradient(135deg, #14161B, #1A1D23);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 50px 30px;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer {
            background: #07090C;
            border-top: 1px solid var(--border-soft);
            padding: 50px 0 30px;
            text-align: center;
        }
        .footer-grid {
            display: flex;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            text-align: left;
            margin-bottom: 30px;
        }
        .footer-grid div {
            flex: 1;
            min-width: 180px;
        }
        .footer-grid h4 {
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .footer-grid a {
            color: var(--text-secondary);
            display: block;
            margin: 6px 0;
        }
        .copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #D4AF37, #0A0B0D);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-full);
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            animation: floatFab 3s ease-in-out infinite;
            color: #FFF;
            font-size: 1.6rem;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
        }
        .fab-left .badge-notify {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: var(--radius-full);
            border: 2px solid #FFF;
            animation: pulse 1.5s infinite;
        }
        @keyframes floatFab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .criteria-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(10,11,13,0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .expert-panel {
                flex-direction: column;
                text-align: center;
            }
            .expert-quote blockquote {
                border-left: none;
                padding-left: 0;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1A1D23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-soft: rgba(212, 175, 55, 0.15);
            --border-gold: #D4AF37;
            --shadow-card: 0 8px 20px rgba(0,0,0,0.4);
            --shadow-gold: 0 6px 25px rgba(212, 175, 55, 0.15);
            --radius-md: 12px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --font-heading: 'Segoe UI', 'Inter', 'Roboto', sans-serif;
            --font-body: 'Segoe UI', 'Inter', 'Roboto', system-ui, sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: #E5C468;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            background: rgba(10,11,13,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-soft);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo i {
            font-size: 1.8rem;
            color: #F7B731;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 2px;
            left: 0;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37, #F7CA44);
            color: #0A0B0D;
            border: none;
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, #C09B2F, #E5B83D);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(212, 175, 55, 0.35);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFF;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .gold-text {
            color: var(--accent-gold);
        }

        /* Hero */
        .hero-alt {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            padding: 80px 0 90px;
            color: var(--text-primary);
        }

        .hero-alt::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8,9,10,0.85) 0%, rgba(11,12,14,0.95) 100%);
        }

        .hero-alt-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-alt-badge {
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.35);
            color: var(--accent-gold);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-alt h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            font-family: var(--font-heading);
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        .hero-alt-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin: 0 auto 30px;
            max-width: 650px;
            line-height: 1.7;
        }

        .hero-alt-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn-primary {
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            border: none;
            color: #0A0B0D;
            padding: 14px 34px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #C09B2F, #9E7D1A);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 175, 55, 0.45);
            color: #0A0B0D;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background: rgba(212, 175, 55, 0.08);
            color: #E5C468;
        }

        /* Promo Banner */
        .promo-banner {
            background: linear-gradient(135deg, #1A1D23, #0E1015);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 40px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .promo-banner-icon {
            font-size: 3.5rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }

        .promo-banner-content h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .promo-banner-content p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.6;
        }

        .promo-banner .btn-primary {
            margin-left: auto;
            flex-shrink: 0;
        }

        /* Promo Cards Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-amber));
            border-radius: 4px 0 0 4px;
        }

        .promo-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .promo-card-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .promo-card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
        }

        .promo-card-badge {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(212, 175, 55, 0.3);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .promo-card h4 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFF;
        }

        .promo-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 18px;
        }

        .promo-card .btn-outline {
            padding: 10px 22px;
            font-size: 0.85rem;
        }

        /* Steps Section */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            padding: 30px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #D4AF37, #B4941E);
            color: #0A0B0D;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin: 0 auto 15px;
        }

        .step-item h4 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* Table */
        .table-wrapper {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-soft);
        }

        .table-wrapper table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .table-wrapper th {
            background: var(--bg-card);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 16px 20px;
            text-align: left;
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border-soft);
        }

        .table-wrapper td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

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

        .table-wrapper tr:hover td {
            background: rgba(212, 175, 55, 0.04);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 30px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(212, 175, 55, 0.3);
        }

        .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            color: #FFF;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-q i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }

        .faq-a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
            padding-left: 28px;
        }

        /* News Section */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

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

        .news-card-body {
            padding: 18px 20px;
        }

        .news-card-body h5 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .news-card-body h5 a {
            color: #FFF;
        }

        .news-card-body h5 a:hover {
            color: var(--accent-gold);
        }

        .news-card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card-excerpt {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #14161B 0%, #0A0B0D 100%);
            border-top: 2px solid var(--border-soft);
            border-bottom: 2px solid var(--border-soft);
            padding: 60px 0;
            text-align: center;
        }

        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        /* Footer */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            padding: 50px 0 20px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 36px;
            margin-bottom: 30px;
        }

        .footer-grid h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-grid p, .footer-grid a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: block;
        }

        .footer-grid a:hover {
            color: var(--accent-gold);
        }

        .copyright {
            border-top: 1px solid var(--border-soft);
            padding-top: 18px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-alt h1 { font-size: 2.4rem; }
            .section-title { font-size: 1.8rem; }
            .promo-banner { flex-direction: column; text-align: center; }
            .promo-banner .btn-primary { margin-left: 0; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(10,11,13,0.98);
                backdrop-filter: blur(10px);
                padding: 20px 0;
                gap: 16px;
                border-bottom: 1px solid var(--border-soft);
            }
            .nav-links.active { display: flex; }
            .hero-alt { padding: 50px 0 60px; }
            .hero-alt h1 { font-size: 2rem; }
            .promo-grid { grid-template-columns: 1fr; }
            .steps-container { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 520px) {
            .steps-container { grid-template-columns: 1fr; }
            .header-actions .btn-login span, .header-actions .btn-signup span { display: none; }
            .btn-login, .btn-signup { padding: 8px 14px; font-size: 0.8rem; }
            .hero-alt-btns { flex-direction: column; align-items: center; }
        }