/* roulang page: index */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 55%),
                        radial-gradient(ellipse at 50% 80%, rgba(163, 230, 53, 0.04) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }

        .content-wrapper {
            position: relative;
            z-index: 1;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            letter-spacing: -0.02em;
        }

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

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

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

        /* Navbar */
        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }

        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }

        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.9) 0%, rgba(10, 22, 40, 0.88) 50%, rgba(8, 18, 41, 0.92) 100%),
                        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 90px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 60%, rgba(6, 182, 212, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            margin: 20px 0 16px;
            background: linear-gradient(to right, #F8FAFC 0%, #A3E635 60%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.18rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 30px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #06B6D4 0%, #2563EB 100%);
            color: #FFF;
            padding: 14px 40px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 0 45px rgba(37, 99, 235, 0.7);
            transform: scale(1.03);
            color: #FFF;
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
            font-size: 0.85rem;
            color: var(--text-muted);
            align-items: center;
        }

        .trust-badges span {
            background: rgba(255,255,255,0.05);
            padding: 6px 14px;
            border-radius: 50px;
            border: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Section Common */
        .section-block {
            padding: 70px 0;
            position: relative;
        }

        .section-title {
            font-size: 2.3rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.65;
            margin-bottom: 40px;
        }

        /* Global Coverage */
        .global-coverage .stat-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: all var(--transition-fast);
        }

        .global-coverage .stat-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }

        /* Game Cards */
        .game-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            position: relative;
        }

        .game-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 32px rgba(6, 182, 212, 0.3);
            transform: translateY(-5px);
        }

        .game-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }

        .game-card-body {
            padding: 18px;
        }

        .game-card-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent-pink);
            color: #FFF;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        /* Testimonials */
        .testimonial-card {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-fast);
        }

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

        .testimonial-text {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--accent-cyan);
            margin-top: 14px;
        }

        /* News List */
        .news-list-item {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            transition: all var(--transition-fast);
        }

        .news-list-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 4px 18px rgba(6, 182, 212, 0.2);
        }

        .news-list-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

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

        .news-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* CTA Bar */
        .cta-floating {
            background: linear-gradient(135deg, #0A1628 0%, #081229 100%);
            border-top: 1.5px solid var(--accent-cyan);
            box-shadow: 0 -6px 24px rgba(6, 182, 212, 0.25);
        }

        .btn-cta-float {
            background: var(--accent-lime);
            color: #0A1628;
            font-weight: 800;
            padding: 12px 34px;
            border-radius: var(--radius-md);
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 0 18px rgba(163, 230, 53, 0.4);
        }

        .btn-cta-float:hover {
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.7);
            transform: scale(1.04);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
        }

        .faq-question {
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-cyan);
        }

        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .footer-custom {
            background: #060E1E;
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 25px;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-right: 22px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-lime);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            margin-top: 35px;
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 60px 0 50px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-block {
                padding: 45px 0;
            }
            .btn-hero-primary {
                padding: 12px 28px;
                font-size: 1rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 55%),
                        radial-gradient(ellipse at 50% 80%, rgba(163, 230, 53, 0.04) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }

        .content-wrapper {
            position: relative;
            z-index: 1;
        }

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

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

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

        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }

        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }

        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .article-hero {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.92) 0%, rgba(10, 22, 40, 0.9) 50%, rgba(8, 18, 41, 0.95) 100%),
                        url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 60%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

        .category-badge {
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            padding: 5px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .article-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(to right, #F8FAFC 0%, #A3E635 60%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .article-body-container {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 50px 60px;
            margin-top: -30px;
            position: relative;
            z-index: 2;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
        }

        .article-content {
            font-size: 1.08rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 35px 0 18px;
            padding-left: 18px;
            border-left: 4px solid var(--accent-cyan);
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-lime);
            margin: 25px 0 14px;
        }

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

        .article-content ul,
        .article-content ol {
            margin: 15px 0 20px 25px;
        }

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

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

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            border: 1px solid var(--border-subtle);
        }

        .not-found-container {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-glass);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-subtle);
            margin: 40px 0;
        }

        .not-found-container i {
            font-size: 4rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .not-found-container h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .not-found-container p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-primary-custom:hover {
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .related-section {
            margin-top: 60px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 30px;
            color: var(--text-primary);
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 2px;
        }

        .related-card {
            background: var(--bg-card);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-fast);
            height: 100%;
        }

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

        .related-card h5 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .related-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .related-card a {
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .cta-sticky-bar {
            background: rgba(8, 18, 41, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-strong);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-sticky-text {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
        }

        .footer-custom {
            background: var(--bg-secondary);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 30px;
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .fab-float {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(6, 182, 212, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .fab-float:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(6, 182, 212, 0.7);
        }

        .fab-float i {
            color: #FFFFFF;
            font-size: 1.6rem;
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: #F43F5E;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.3); }
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
            .article-body-container {
                padding: 30px 22px;
                margin-top: 0;
                border-radius: var(--radius-md);
            }
            .article-content h2 {
                font-size: 1.5rem;
            }
            .article-content h3 {
                font-size: 1.25rem;
            }
            .cta-sticky-bar {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }
            .fab-float {
                left: 12px;
                bottom: 120px;
                width: 48px;
                height: 48px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 55%),
                        radial-gradient(ellipse at 50% 80%, rgba(163, 230, 53, 0.04) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }

        .content-wrapper {
            position: relative;
            z-index: 1;
        }

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

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

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

        /* Navbar */
        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }

        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }

        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.9) 0%, rgba(10, 22, 40, 0.88) 50%, rgba(8, 18, 41, 0.92) 100%),
                        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            padding: 90px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 60%, rgba(6, 182, 212, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            margin: 20px 0 16px;
            background: linear-gradient(to right, #F8FAFC 0%, #A3E635 60%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.18rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
            color: #FFFFFF;
        }

        .btn-hero-outline {
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            display: inline-block;
            margin-left: 14px;
        }

        .btn-hero-outline:hover {
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 14px rgba(6, 182, 212, 0.25);
            color: var(--accent-cyan);
        }

        /* Section Titles */
        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.65;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-fast);
        }

        .glass-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        /* Game Provider Card */
        .provider-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-fast);
            height: 100%;
        }

        .provider-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.3);
            transform: translateY(-3px);
        }

        .provider-icon {
            width: 64px;
            height: 64px;
            background: rgba(6, 182, 212, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: var(--accent-cyan);
        }

        .provider-card h5 {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .provider-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Feature List */
        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
        }

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

        .feature-icon {
            width: 40px;
            height: 40px;
            background: rgba(6, 182, 212, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }

        .feature-content h6 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .feature-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        /* Steps */
        .step-item {
            text-align: left;
            padding: 20px 18px;
            background: var(--bg-glass);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            height: 100%;
        }

        .step-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(6, 182, 212, 0.2);
        }

        .step-num {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 8px;
        }

        .step-item h6 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(6, 182, 212, 0.15) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 140%;
            height: 200%;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-banner h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin: 10px auto 22px;
        }

        .btn-cta-lg {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .btn-cta-lg:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        /* Article List */
        .article-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            height: 100%;
        }

        .article-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(6, 182, 212, 0.25);
            transform: translateY(-2px);
        }

        .article-card .card-body {
            padding: 18px;
        }

        .article-card .card-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-card .card-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .article-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 60px;
        }

        .footer-custom .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-custom .footer-links a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-custom .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(6, 182, 212, 0.15);
            padding-top: 20px;
            margin-top: 30px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 18, 41, 0.8);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-fast);
            animation: fabPulse 2.8s infinite ease-in-out;
        }

        .fab-custom:hover {
            transform: scale(1.12);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
            color: #FFFFFF;
            background: rgba(6, 182, 212, 0.2);
        }

        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 20px rgba(6, 182, 212, 0.45); }
            50% { box-shadow: 0 0 32px rgba(6, 182, 212, 0.7); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.6rem; }
            .section-title { font-size: 1.9rem; }
        }

        @media (max-width: 768px) {
            .hero-section { padding: 60px 0 50px; }
            .hero-title { font-size: 2.1rem; }
            .hero-desc { font-size: 1rem; }
            .btn-hero-primary, .btn-hero-outline { padding: 11px 22px; font-size: 0.95rem; display: block; width: 100%; margin: 6px 0; }
            .btn-hero-outline { margin-left: 0; }
            .section-title { font-size: 1.65rem; }
            .cta-banner { padding: 32px 20px; }
            .cta-banner h3 { font-size: 1.4rem; }
        }

        @media (max-width: 520px) {
            .hero-title { font-size: 1.7rem; }
            .hero-badge { font-size: 0.75rem; }
            .navbar-brand-custom { font-size: 1.15rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(163, 230, 53, 0.04) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }

        .content-wrapper {
            position: relative;
            z-index: 1;
        }

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

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

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

        /* Navbar */
        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }

        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }

        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }

        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }

        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.9) 0%, rgba(10, 22, 40, 0.88) 50%, rgba(8, 18, 41, 0.92) 100%),
                url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            padding: 100px 0 90px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(6, 182, 212, 0.18) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            margin: 20px 0 16px;
            background: linear-gradient(to right, #F8FAFC 0%, #A3E635 60%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #fff;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }

        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Section */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

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

        /* Card */
        .card-glass {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-fast);
            height: 100%;
        }

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

        .card-icon-wrap {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.6rem;
            color: var(--accent-cyan);
        }

        /* Game Lobby Cards */
        .game-lobby-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            height: 100%;
        }

        .game-lobby-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.4);
            border-color: var(--accent-cyan);
        }

        .game-thumb {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .game-body {
            padding: 18px 16px;
        }

        .game-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent-pink);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        /* Feature List */
        .feature-list {
            list-style: none;
            padding: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.55;
        }

        .feature-list li i {
            color: var(--accent-cyan);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* CTA Bar */
        .cta-floating {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(6, 182, 212, 0.2) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
            backdrop-filter: blur(16px);
        }

        /* Trust Banner */
        .trust-banner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 28px;
            padding: 24px 28px;
            background: rgba(6, 182, 212, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(6, 182, 212, 0.15);
        }

        .trust-banner-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 60px;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4, #A3E635);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(6, 182, 212, 0.12);
            padding-top: 20px;
            margin-top: 28px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }

            .hero-section {
                padding: 70px 0 60px;
            }

            .section-title {
                font-size: 1.75rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }

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

            .btn-hero-primary {
                padding: 12px 30px;
                font-size: 0.95rem;
            }

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

            .card-glass {
                padding: 20px 16px;
            }

            .trust-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .cta-floating {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .game-thumb {
                height: 150px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 55%),
                        radial-gradient(ellipse at 50% 80%, rgba(163, 230, 53, 0.04) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }
        .content-wrapper {
            position: relative;
            z-index: 1;
        }
        a {
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Navbar */
        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }
        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }
        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }
        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }
        /* Page Hero */
        .page-hero {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.9) 0%, rgba(10, 22, 40, 0.88) 50%, rgba(8, 18, 41, 0.92) 100%),
                        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            padding: 70px 0 60px;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 30%, rgba(6, 182, 212, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .page-hero-badge {
            display: inline-block;
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent-cyan);
            border: 1px solid var(--accent-cyan);
            padding: 5px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .page-hero .hero-sub {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.6;
        }
        /* Section Common */
        .section-padding {
            padding: 60px 0;
        }
        .section-label {
            display: inline-block;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
            border: 1px solid var(--border-subtle);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.65;
            max-width: 680px;
        }
        /* Glass Card */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-fast);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        .glass-card .card-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 14px;
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            width: 56px;
            height: 56px;
            line-height: 56px;
            text-align: center;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }
        .glass-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .glass-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.6;
        }
        /* VIP Table */
        .vip-table-wrap {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            backdrop-filter: blur(12px);
        }
        .vip-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .vip-table th,
        .vip-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .vip-table th {
            background: rgba(6, 182, 212, 0.08);
            color: var(--accent-cyan);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            font-size: 0.85rem;
        }
        .vip-table tbody tr:last-child td {
            border-bottom: none;
        }
        .vip-table tbody tr:hover {
            background: rgba(6, 182, 212, 0.04);
        }
        .vip-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
            border: 1px solid;
        }
        .vip-silver {
            color: #CBD5E1;
            border-color: #CBD5E1;
            background: rgba(203, 213, 225, 0.08);
        }
        .vip-gold {
            color: #FBBF24;
            border-color: #FBBF24;
            background: rgba(251, 191, 36, 0.08);
        }
        .vip-diamond {
            color: #38BDF8;
            border-color: #38BDF8;
            background: rgba(56, 189, 248, 0.08);
        }
        /* Timeline */
        .timeline-roadmap {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
            padding: 20px 0;
        }
        .timeline-step {
            flex: 1 1 220px;
            min-width: 180px;
            padding: 16px;
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            position: relative;
            text-align: center;
            transition: all var(--transition-fast);
            margin: 0 8px 16px;
        }
        .timeline-step:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }
        .timeline-step .step-num {
            width: 40px;
            height: 40px;
            line-height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 12px;
            border: 2px solid var(--accent-cyan);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.4);
        }
        .timeline-step h5 {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .timeline-step p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin: 0;
        }
        /* Notification Subscribe */
        .subscribe-box {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(8px);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            justify-content: space-between;
        }
        .subscribe-box h4 {
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            font-size: 1.15rem;
        }
        .subscribe-box p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 0.9rem;
        }
        .subscribe-input-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .subscribe-input-group input {
            background: rgba(8, 18, 41, 0.7);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            min-width: 220px;
            outline: none;
            transition: border var(--transition-fast);
        }
        .subscribe-input-group input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.25);
        }
        .btn-subscribe {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #fff;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            cursor: pointer;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }
        .btn-subscribe:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-banner h3 {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-banner p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 40px;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-cta-large:hover {
            box-shadow: 0 0 36px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }
        /* Content list (optional) */
        .news-list-item {
            background: var(--bg-glass);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            margin-bottom: 12px;
            transition: all var(--transition-fast);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-list-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
        }
        .news-list-item .news-date {
            font-size: 0.8rem;
            color: var(--accent-cyan);
            font-weight: 600;
            white-space: nowrap;
            margin-top: 2px;
            min-width: 80px;
        }
        .news-list-item .news-title {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 4px;
            display: block;
        }
        .news-list-item .news-excerpt {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.5;
        }
        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-links a {
            display: block;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            margin-top: 28px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        /* FAB */
        .fab-custom {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            border: 2px solid var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid #fff;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        /* Responsive */
        @media (max-width: 992px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .timeline-step {
                flex: 1 1 100%;
                margin: 0 0 12px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h3 {
                font-size: 1.3rem;
            }
            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .fab-custom {
                left: 12px;
                bottom: 70px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #081229;
            --bg-secondary: #0A1628;
            --bg-card: rgba(14, 24, 50, 0.85);
            --bg-glass: rgba(8, 18, 41, 0.75);
            --accent-cyan: #06B6D4;
            --accent-blue: #2563EB;
            --accent-lime: #A3E635;
            --accent-pink: #F43F5E;
            --accent-gold: #FBBF24;
            --text-primary: #F8FAFC;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(6, 182, 212, 0.25);
            --border-strong: rgba(37, 99, 235, 0.45);
            --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-glow: 0 4px 24px rgba(37, 99, 235, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        }
        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 15% 40%, rgba(6, 182, 212, 0.07) 0%, transparent 55%),
                        radial-gradient(ellipse at 85% 25%, rgba(251, 191, 36, 0.05) 0%, transparent 55%),
                        radial-gradient(ellipse at 45% 75%, rgba(37, 99, 235, 0.05) 0%, transparent 55%);
            pointer-events: none;
            z-index: 0;
        }
        .content-wrapper {
            position: relative;
            z-index: 1;
        }
        a { text-decoration: none; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; }
        .container-custom { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

        /* Navbar */
        .navbar-custom {
            background: rgba(8, 18, 41, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-fast);
        }
        .navbar-brand-custom {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.01em;
        }
        .nav-link-custom {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            margin: 0 2px;
        }
        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--text-primary) !important;
            background: rgba(6, 182, 212, 0.12);
            box-shadow: 0 0 8px rgba(6, 182, 212, 0.2);
        }
        .btn-login {
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            background: rgba(6, 182, 212, 0.15);
            box-shadow: 0 0 12px rgba(6, 182, 212, 0.35);
            color: var(--accent-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF !important;
            padding: 9px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(6, 182, 212, 0.65);
            transform: translateY(-1px);
        }
        .navbar-toggler-custom {
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        /* Page Banner */
        .page-banner {
            background: linear-gradient(135deg, rgba(8, 18, 41, 0.88) 0%, rgba(10, 22, 40, 0.85) 50%, rgba(8, 18, 41, 0.9) 100%),
                        url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            padding: 70px 0 65px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 70% 40%, rgba(251, 191, 36, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(251, 191, 36, 0.18);
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            position: relative;
            z-index: 1;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin: 18px 0 14px;
            background: linear-gradient(to right, #F8FAFC 0%, #FBBF24 50%, #F97316 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-desc {
            font-size: 1.12rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        /* Section Titles */
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-fast);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--border-strong);
            box-shadow: 0 12px 40px rgba(6, 182, 212, 0.25);
            transform: translateY(-3px);
        }
        .glass-card .card-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }
        .glass-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .glass-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* Promo Highlight Card */
        .promo-highlight {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            overflow: hidden;
        }
        .promo-highlight::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(251, 191, 36, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }
        .promo-highlight .promo-badge {
            display: inline-block;
            background: var(--accent-gold);
            color: #0A1628;
            padding: 5px 14px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .promo-highlight h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .promo-highlight .promo-value {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #FBBF24 0%, #F97316 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .promo-highlight p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 0.95rem;
        }

        /* CTA Button */
        .btn-primary-glow {
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            color: #FFFFFF;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            display: inline-block;
        }
        .btn-primary-glow:hover {
            box-shadow: 0 0 32px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #FFFFFF;
        }
        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            display: inline-block;
        }
        .btn-outline-gold:hover {
            background: rgba(251, 191, 36, 0.15);
            box-shadow: 0 0 18px rgba(251, 191, 36, 0.4);
            color: var(--accent-gold);
        }

        /* Steps */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .step-number {
            width: 44px;
            height: 44px;
            min-width: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #FFFFFF;
            box-shadow: 0 0 14px rgba(6, 182, 212, 0.35);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-glass);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            margin-bottom: 14px;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: 0 4px 18px rgba(6, 182, 212, 0.18);
        }
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* Sticky CTA Bar */
        .sticky-cta-bar {
            position: sticky;
            bottom: 0;
            z-index: 1040;
            background: rgba(8, 18, 41, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-strong);
            padding: 16px 0;
        }

        /* Footer */
        .footer-custom {
            background: rgba(8, 18, 41, 0.9);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 20px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #06B6D4 0%, #A3E635 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-links a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .page-banner h1 { font-size: 2rem; }
            .section-title { font-size: 1.6rem; }
            .promo-highlight .promo-value { font-size: 1.7rem; }
            .navbar-custom .d-flex.align-items-center.gap-3 { flex-direction: column; gap: 8px !important; align-items: stretch !important; margin-top: 10px; }
        }
        @media (max-width: 576px) {
            .page-banner h1 { font-size: 1.6rem; }
            .page-banner .banner-desc { font-size: 0.95rem; }
            .section-title { font-size: 1.4rem; }
            .glass-card { padding: 20px 16px; }
            .promo-highlight { padding: 22px 18px; }
            .promo-highlight .promo-value { font-size: 1.5rem; }
            .btn-primary-glow, .btn-outline-gold { padding: 12px 24px; font-size: 0.95rem; width: 100%; text-align: center; }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}