/* roulang page: index */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--accent-gold-light);
        }

        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }

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

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }

        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }

        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }

        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
        }

        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.8;
            }
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }

        .card-game {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.28s ease;
            position: relative;
        }

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

        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
        }

        .card-game .card-img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .card-game:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-game .tag-corner {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(220, 38, 38, 0.92);
            color: #FEF3C7;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold) !important;
            letter-spacing: -0.2px;
        }

        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            transition: color var(--transition-base);
            font-size: 0.95rem;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--accent-gold) !important;
        }

        .nav-login {
            color: var(--accent-gold) !important;
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 0.45rem 1.3rem !important;
            font-weight: 600;
            transition: all var(--transition-base);
        }

        .nav-login:hover {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-gold-light) !important;
        }

        .fab-custom {
            position: fixed;
            left: 1.2rem;
            bottom: 6rem;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #F59E0B, #B45309);
            border: 2px solid #FCD34D;
            box-shadow: 0 6px 28px rgba(245, 158, 11, 0.42);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.5rem;
            transition: all var(--transition-base);
            cursor: pointer;
            animation: float-gentle 2.6s ease-in-out infinite;
        }

        .fab-custom:hover {
            transform: scale(1.12);
            box-shadow: 0 10px 36px rgba(245, 158, 11, 0.6);
        }

        @keyframes float-gentle {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-7px);
            }
        }

        .hero-section {
            background: linear-gradient(145deg, #031A12 0%, #062E20 50%, #0A4028 100%);
            border-bottom: 1px solid var(--border-subtle);
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            right: -40px;
            top: -30px;
            width: 55%;
            height: 110%;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.25;
            mask-image: linear-gradient(to left, rgba(0,0,0,0.7) 0%, transparent 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.7) 0%, transparent 100%);
            pointer-events: none;
        }

        .trust-strip {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .info-feed-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .info-feed-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }

        .rank-list-item {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.1rem;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .rank-list-item:hover {
            border-color: var(--accent-gold);
            background: var(--bg-tertiary);
        }

        .footer-section {
            background: #021009;
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-section a {
            color: var(--text-secondary);
        }

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

        .footer-section h6 {
            color: var(--text-primary);
            font-weight: 700;
        }

        @media (max-width: 992px) {
            .hero-bg-img {
                width: 70%;
                right: -60px;
                opacity: 0.18;
            }
        }

        @media (max-width: 768px) {
            .hero-bg-img {
                width: 100%;
                right: 0;
                top: auto;
                bottom: 0;
                height: 45%;
                opacity: 0.16;
            }
            .fab-custom {
                width: 50px;
                height: 50px;
                left: 0.8rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 2.5rem 0;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }
        .bg-dark-jungle {
            background: var(--bg-secondary) !important;
        }
        .border-gold-subtle {
            border-color: var(--border-subtle) !important;
        }
        .shadow-gold {
            box-shadow: var(--shadow-gold);
        }

/* roulang page: article */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: var(--accent-gold-light);
        }

        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }

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

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }

        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }

        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }

        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            display: inline-block;
        }

        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-badge 2s infinite;
            display: inline-block;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }

        .card-game {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.28s ease;
            position: relative;
        }

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

        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
        }

        .card-game .card-img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .card-game:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-game .tag-corner {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(220, 38, 38, 0.92);
            color: #FEF3C7;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }

        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-gold-light);
            font-size: 1.35rem;
            letter-spacing: -0.2px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-login {
            border: 1px solid transparent;
            color: var(--text-secondary);
        }

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

        .navbar-toggler {
            border: 1px solid var(--border-subtle);
            background: transparent;
            padding: 0.4rem 0.8rem;
            color: var(--accent-gold);
        }

        .article-hero {
            background: linear-gradient(180deg, rgba(10, 64, 40, 0.35) 0%, rgba(3, 26, 18, 0.9) 85%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 3.5rem 0 2.5rem;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-content-body {
            font-size: 1.05rem;
            line-height: 1.72;
            color: #E2E8F0;
        }

        .article-content-body h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        .article-content-body h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            color: var(--text-secondary);
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        .article-content-body p {
            margin-bottom: 1.1rem;
        }

        .article-content-body ul,
        .article-content-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.6rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 0.8rem;
            align-items: center;
        }

        .article-cta-box {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem;
            background: linear-gradient(135deg, rgba(10, 64, 40, 0.8) 0%, rgba(3, 26, 18, 0.9) 100%);
        }

        .not-found-block {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 4rem 2rem;
            text-align: center;
            border: 1px solid var(--border-subtle);
        }

        .section-spacing {
            padding: 3rem 0;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            margin-bottom: 1.8rem;
        }

        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            margin-top: auto;
        }

        .footer-section a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-base);
        }

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

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

        .fab-left {
            position: fixed;
            left: 18px;
            bottom: 95px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.75), #0B2E1E);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold-light);
            font-size: 1.5rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-base);
            animation: float-gentle 3s infinite ease-in-out;
        }

        .fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.55);
            color: #FFF;
        }

        @keyframes float-gentle {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }

        .bottom-cta-bar {
            background: rgba(3, 26, 18, 0.94);
            backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-subtle);
            position: sticky;
            bottom: 0;
            z-index: 1025;
            padding: 0.9rem 0;
        }

        @media (max-width: 991.98px) {
            .header-nav {
                height: auto;
            }
            .navbar-collapse {
                background: rgba(3, 26, 18, 0.96);
                padding: 1rem;
                border-radius: var(--radius-md);
                margin-top: 0.5rem;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 2rem 0 1.5rem;
            }
            .section-spacing {
                padding: 2rem 0;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--accent-gold-light);
        }

        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }

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

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
            transform: translateY(-2px);
        }

        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }

        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }

        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            display: inline-block;
        }

        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0px rgba(220, 38, 38, 0.6);
            }
            50% {
                box-shadow: 0 0 14px rgba(220, 38, 38, 0.9);
            }
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }

        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }

        .navbar-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold) !important;
            font-family: var(--font-heading);
        }

        .navbar {
            background: transparent;
            padding: 0 1rem;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            padding: 0.5rem 1rem;
            font-weight: 500;
            transition: all var(--transition-base);
            border-radius: var(--radius-sm);
        }

        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245, 158, 11, 0.1);
        }

        .nav-login {
            border: 1px solid rgba(245, 158, 11, 0.4);
            padding: 0.45rem 1.2rem !important;
            border-radius: var(--radius-md);
        }

        .nav-login:hover {
            border-color: var(--accent-gold);
            background: rgba(245, 158, 11, 0.15);
        }

        .navbar-toggler {
            border: 1px solid var(--border-subtle);
        }

        .page-banner {
            background: linear-gradient(135deg, rgba(3, 26, 18, 0.9) 0%, rgba(10, 64, 40, 0.85) 100%), url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            padding: 4rem 0 3rem;
            position: relative;
            border-bottom: 1px solid var(--border-subtle);
        }

        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition-base);
            height: 100%;
        }

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

        .step-number {
            width: 42px;
            height: 42px;
            background: var(--accent-gold);
            color: #031A12;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .feature-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 0.6rem;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .sticky-cta {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 1040;
            background: linear-gradient(135deg, var(--accent-gold), #B45309);
            color: #031A12;
            padding: 0.8rem 1.6rem;
            border-radius: 999px;
            font-weight: 700;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.5);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sticky-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.65);
        }

        .footer-section {
            background: #020E0A;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-section a {
            color: var(--text-muted);
            transition: all var(--transition-base);
        }

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

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

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(6, 46, 32, 0.98);
                backdrop-filter: blur(20px);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
            }
            .navbar-nav {
                gap: 0.2rem;
            }
            .page-banner {
                padding: 2.5rem 0 2rem;
            }
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .step-number {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }
        .btn-outline-gold {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }
        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }
        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }
        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
        }
        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }
        .text-gold {
            color: var(--accent-gold) !important;
        }
        .card-game {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.28s ease;
            position: relative;
        }
        .card-game:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
        }
        .card-game .card-img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-game:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-game .tag-corner {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(220, 38, 38, 0.92);
            color: #FEF3C7;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
        }
        .navbar-brand:hover {
            color: var(--accent-gold);
        }
        .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.5rem 0.9rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold);
            background: rgba(245, 158, 11, 0.06);
        }
        .nav-login {
            border: 1px solid rgba(245, 158, 11, 0.35);
            padding: 0.4rem 1.2rem !important;
            border-radius: var(--radius-md);
        }
        .nav-login:hover {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-gold);
        }
        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
        }
        .footer-section h5, .footer-section h6 {
            color: var(--text-primary);
        }
        .footer-section a {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 2;
        }
        .footer-section a:hover {
            color: var(--accent-gold);
        }
        .hero-compare {
            background: radial-gradient(ellipse at 40% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 60%), var(--bg-primary);
            padding: 3.5rem 0 3rem;
        }
        .highlight-card {
            background: linear-gradient(145deg, var(--bg-tertiary) 0%, #052918 100%);
            border: 1.5px solid var(--accent-gold);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            position: relative;
            z-index: 2;
        }
        .compare-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            height: 100%;
            transition: var(--transition-base);
        }
        .compare-card:hover {
            border-color: var(--accent-gold-light);
            box-shadow: var(--shadow-gold);
        }
        .feature-icon-box {
            width: 52px;
            height: 52px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .step-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
        }
        .step-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #031A12;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-tertiary) 0%, #0B4028 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            border: 1px solid var(--border-subtle);
        }
        .article-list-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.2rem 0;
        }
        .article-list-item:last-child {
            border-bottom: none;
        }
        .fab-btn {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 40% 40%, #FCD34D, #B45309);
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #031A12;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            cursor: pointer;
            transition: all var(--transition-base);
            animation: gentle-float 3s infinite;
        }
        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.5);
        }
        @keyframes gentle-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(3, 26, 18, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-subtle);
            padding: 0.8rem 1.5rem;
            z-index: 1020;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        @media (max-width: 768px) {
            .hero-compare {
                padding: 2rem 0 2rem;
            }
            .highlight-card {
                padding: 1.5rem;
                margin-top: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .bottom-cta-bar {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }
        .btn-outline-gold {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }
        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }
        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }
        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
        }
        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.75; }
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }
        .card-game {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.28s ease;
            position: relative;
        }
        .card-game:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
        }
        .card-game .card-img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .card-game:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-game .tag-corner {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(220, 38, 38, 0.92);
            color: #FEF3C7;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1.2rem;
        }
        .navbar-brand:hover {
            color: var(--accent-gold-light);
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-gold-light);
            background: rgba(245, 158, 11, 0.15);
            font-weight: 600;
        }
        .navbar-nav .nav-login {
            color: var(--accent-gold);
            font-weight: 500;
        }
        .navbar-nav .nav-login:hover {
            color: var(--accent-gold-light);
            background: transparent;
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .hero-promo {
            background: linear-gradient(160deg, var(--bg-primary) 30%, rgba(245, 158, 11, 0.08) 100%);
            padding: 3.5rem 0 2.5rem;
            position: relative;
        }
        .promo-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 2rem;
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
        }
        .promo-card.featured {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .promo-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
        }
        .promo-amount {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-num {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #D97706);
            color: #031A12;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            box-shadow: none;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent-gold-light);
            background: rgba(245, 158, 11, 0.08);
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(0.8);
        }
        .faq-accordion .accordion-body {
            color: var(--text-secondary);
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .sticky-cta-bar {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            position: sticky;
            bottom: 0;
            z-index: 1000;
            padding: 0.9rem 0;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .footer-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
        }
        .footer-section a {
            color: var(--text-muted);
            transition: color 0.2s;
        }
        .footer-section a:hover {
            color: var(--accent-gold);
        }
        .footer-section ul li {
            margin-bottom: 0.4rem;
        }
        .table-promo {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .table-promo th, .table-promo td {
            color: var(--text-primary);
            border-color: rgba(245, 158, 11, 0.15);
            padding: 0.9rem 1.2rem;
        }
        .table-promo th {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-gold-light);
            font-weight: 700;
        }
        @media (max-width: 991.98px) {
            .hero-promo {
                padding: 2.5rem 0 1.5rem;
            }
            .promo-amount {
                font-size: 2rem;
            }
        }
        @media (max-width: 767.98px) {
            .promo-card {
                padding: 1.5rem;
            }
            .promo-amount {
                font-size: 1.8rem;
            }
            .step-num {
                width: 40px;
                height: 40px;
                min-width: 40px;
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .btn {
                padding: 0.6rem 1.3rem;
                font-size: 0.85rem;
            }
            .promo-amount {
                font-size: 1.6rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #031A12;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A4028;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --accent-green: #10B981;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-muted: #6B8B7A;
            --border-subtle: rgba(245, 158, 11, 0.25);
            --border-glow: rgba(16, 185, 129, 0.35);
            --radius-sm: 0.5rem;
            --radius-md: 0.85rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
            --shadow-gold: 0 6px 24px rgba(245, 158, 11, 0.22);
            --shadow-green: 0 4px 20px rgba(16, 185, 129, 0.25);
            --shadow-card: 0 10px 32px rgba(0, 0, 0, 0.45);
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold-light);
        }
        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .btn {
            font-weight: 600;
            letter-spacing: 0.3px;
            border-radius: var(--radius-md);
            padding: 0.7rem 1.8rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
            color: #051F14;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            transform: translateY(-2px);
            color: #031A12;
        }
        .btn-outline-gold {
            background: transparent;
            border: 1.5px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-gold-light);
            color: var(--accent-gold-light);
        }
        .btn-green {
            background: linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);
            color: #022C22;
            border: none;
            box-shadow: var(--shadow-green);
        }
        .btn-green:hover {
            background: linear-gradient(135deg, #34D399 0%, var(--accent-green) 100%);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }
        .badge-custom {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent-gold-light);
            border: 1px solid var(--border-subtle);
            padding: 0.35rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.4px;
        }
        .badge-vip {
            background: linear-gradient(135deg, #DC2626, #991B1B);
            color: #FEF3C7;
            padding: 0.25rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
            max-width: 700px;
        }
        .card-game {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.28s ease;
            position: relative;
        }
        .card-game:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
        }
        .card-game .card-img-wrap img {
            transition: transform 0.4s ease;
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .card-game:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .header-nav {
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1030;
            height: var(--header-height);
        }
        .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-gold) !important;
            font-size: 1.2rem;
            white-space: normal;
        }
        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            padding: 0.5rem 0.9rem !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(245, 158, 11, 0.08);
        }
        .nav-login {
            color: var(--accent-gold) !important;
            font-weight: 600;
        }
        .hero-support {
            background: linear-gradient(135deg, #020F0A 0%, #062E20 50%, #0A4028 100%);
            padding: 3.5rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-support h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--accent-gold-light);
            line-height: 1.2;
        }
        .support-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2rem;
            height: 100%;
            transition: all 0.3s ease;
        }
        .support-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--shadow-green);
            transform: translateY(-4px);
        }
        .support-card i {
            font-size: 2.2rem;
            color: var(--accent-green);
            margin-bottom: 0.8rem;
        }
        .step-number {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-gold), #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: #031A12;
            flex-shrink: 0;
        }
        .list-check li {
            list-style: none;
            padding-left: 1.8rem;
            position: relative;
            margin-bottom: 0.7rem;
            color: var(--text-primary);
            line-height: 1.6;
        }
        .list-check li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-green);
        }
        .faq-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            margin-bottom: 1rem;
        }
        .faq-card h5 {
            color: var(--accent-gold-light);
            font-weight: 700;
        }
        .footer-section {
            background: #020805;
            border-top: 1px solid var(--border-subtle);
        }
        .footer-section a {
            color: var(--text-secondary);
            transition: color var(--transition-base);
        }
        .footer-section a:hover {
            color: var(--accent-gold);
        }
        .footer-section h5, .footer-section h6 {
            color: var(--text-primary);
        }
        .footer-section hr {
            background-color: var(--border-subtle);
        }
        @media (max-width: 991.98px) {
            .hero-support h1 { font-size: 2rem; }
        }
        @media (max-width: 767.98px) {
            .hero-support { padding: 2.5rem 0; }
            .hero-support h1 { font-size: 1.7rem; }
        }

/* 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}