/* roulang page: index */
:root {
            --brand-dark: #051F14;
            --brand-darker: #0B2E1E;
            --brand-gold: #F59E0B;
            --brand-goldlight: #FCD34D;
            --brand-ivory: #F8FAFC;
            --brand-mint: #D1FAE5;
            --brand-olive: #A3A375;
            --brand-red: #DC2626;
            --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.25);
            --shadow-neon: 0 0 15px rgba(245, 158, 11, 0.4);
            --radius: 1rem;
            --transition: all 0.3s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            line-height: 1.6;
            color: var(--brand-ivory);
            background-color: var(--brand-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .bg-gold-gradient {
            background-image: var(--gold-gradient);
        }
        .text-shadow-gold {
            text-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
        }
        .gold-border {
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .gold-glow {
            box-shadow: var(--shadow-gold);
        }
        .neon-glow {
            box-shadow: var(--shadow-neon);
        }
        .hero-bg {
            background-image: linear-gradient(rgba(5, 31, 20, 0.85), rgba(5, 31, 20, 0.95)), url('/assets/images/6e713f78ab4a5de0.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(245, 158, 11, 0.6) !important;
        }
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 9999px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.85;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
        }
        .fab .icon {
            font-size: 1.5rem;
            color: #051F14;
            transition: transform 0.6s ease;
        }
        .fab:hover .icon {
            transform: rotate(360deg);
        }
        .fab .notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 0.875rem;
            height: 0.875rem;
            background-color: #DC2626;
            border-radius: 9999px;
            border: 2px solid #fff;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @media (max-width: 768px) {
            .hero-bg {
                background-attachment: scroll;
            }
            .fab {
                bottom: 4.5rem;
            }
        }
        .nav-link {
            position: relative;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: #FCD34D;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 2px;
        }
        .btn-primary {
            background-image: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #051F14;
        }
        .btn-outline {
            border: 1px solid rgba(245, 158, 11, 0.6);
            color: #FCD34D;
            background: transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .section-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 9999px;
            color: #FCD34D;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .card-tag {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 700;
        }
        .image-hover {
            transition: transform 0.5s ease, filter 0.5s ease;
        }
        .card:hover .image-hover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }
        .faq-item {
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .faq-question {
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #FCD34D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

/* roulang page: category1 */
:root {
            --brand-dark: #051F14;
            --brand-darker: #0B2E1E;
            --brand-gold: #F59E0B;
            --brand-goldlight: #FCD34D;
            --brand-ivory: #F8FAFC;
            --brand-mint: #D1FAE5;
            --brand-olive: #A3A375;
            --brand-red: #DC2626;
            --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.25);
            --shadow-neon: 0 0 15px rgba(245, 158, 11, 0.4);
            --radius: 1rem;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            line-height: 1.6;
            color: var(--brand-ivory);
            background-color: var(--brand-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .text-shadow-gold {
            text-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
        }
        .gold-border {
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .hero-bg {
            background-image: linear-gradient(rgba(5, 31, 20, 0.82), rgba(5, 31, 20, 0.93)), url('/assets/images/770e9b61be852dab.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(245, 158, 11, 0.6) !important;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: #FCD34D;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 2px;
        }
        .btn-primary {
            background-image: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #051F14;
        }
        .btn-outline {
            border: 1px solid rgba(245, 158, 11, 0.6);
            color: #FCD34D;
            background: transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .section-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 9999px;
            color: #FCD34D;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .card-tag {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 700;
        }
        .faq-item {
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .faq-question {
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #FCD34D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .steps-timeline {
            position: relative;
            padding-left: 2rem;
        }
        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 0.5rem;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, #F59E0B, rgba(245, 158, 11, 0.2));
            border-radius: 2px;
        }
        .step-dot {
            position: absolute;
            left: -1.55rem;
            top: 0.5rem;
            width: 1.2rem;
            height: 1.2rem;
            border-radius: 50%;
            background: #F59E0B;
            border: 3px solid #051F14;
            box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.4);
        }
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 9999px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.3rem;
            transition: all 0.3s ease;
            opacity: 0.85;
            animation: fab-float 3s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
        }
        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 0.9rem;
            height: 0.9rem;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @media (max-width: 768px) {
            .hero-bg {
                background-attachment: scroll;
            }
            .fab {
                bottom: 4.5rem;
                width: 3rem;
                height: 3rem;
                font-size: 1.1rem;
            }
        }

/* roulang page: article */
:root {
            --brand-dark: #051F14;
            --brand-darker: #0B2E1E;
            --brand-gold: #F59E0B;
            --brand-goldlight: #FCD34D;
            --brand-ivory: #F8FAFC;
            --brand-mint: #D1FAE5;
            --brand-olive: #A3A375;
            --brand-red: #DC2626;
            --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.25);
            --shadow-neon: 0 0 15px rgba(245, 158, 11, 0.4);
            --radius: 1rem;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            line-height: 1.6;
            color: var(--brand-ivory);
            background-color: var(--brand-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 72px;
        }
        .text-shadow-gold {
            text-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
        }
        .gold-border {
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .hero-bg {
            background-image: linear-gradient(rgba(5, 31, 20, 0.82), rgba(5, 31, 20, 0.93)), url('/assets/images/770e9b61be852dab.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(245, 158, 11, 0.6) !important;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: #FCD34D;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 2px;
        }
        .btn-primary {
            background-image: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #051F14;
        }
        .btn-outline {
            border: 1px solid rgba(245, 158, 11, 0.6);
            color: #FCD34D;
            background: transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .section-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 9999px;
            color: #FCD34D;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .card-tag {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 700;
        }
        .card:hover .image-hover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }
        .image-hover {
            transition: transform 0.5s ease, filter 0.5s ease;
        }
        .faq-item {
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .faq-question {
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #FCD34D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-icon {
            transition: transform 0.3s ease;
        }
        /* Article body typography */
        .article-body {
            font-size: 1.025rem;
            line-height: 1.7;
            color: #E2E8F0;
        }
        .article-body h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: #FCD34D;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.35;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #F59E0B;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            color: #CBD5E1;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
            color: #CBD5E1;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.5rem;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.5rem;
        }
        .article-body img {
            border-radius: 0.75rem;
            margin: 1.5rem 0;
            max-width: 100%;
            height: auto;
        }
        .article-body a {
            color: #FCD34D;
            text-decoration: underline;
            transition: color 0.3s;
        }
        .article-body a:hover {
            color: #F59E0B;
        }
        .article-body blockquote {
            border-left: 3px solid #F59E0B;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            color: #FDE68A;
            font-style: italic;
            background: rgba(245, 158, 11, 0.06);
            border-radius: 0 0.5rem 0.5rem 0;
            padding: 1rem 1.5rem;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .article-body table th {
            background: rgba(245, 158, 11, 0.15);
            color: #FCD34D;
            font-weight: 700;
            padding: 0.8rem 1rem;
            text-align: left;
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .article-body table td {
            padding: 0.8rem 1rem;
            border: 1px solid rgba(245, 158, 11, 0.2);
            color: #CBD5E1;
        }
        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: #FCD34D;
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #F59E0B;
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }
        /* VIP badge */
        .vip-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
            border: 1px solid rgba(245, 158, 11, 0.5);
            border-radius: 9999px;
            padding: 0.4rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 700;
            color: #FCD34D;
        }
        /* Bottom fixed CTA bar */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(5, 31, 20, 0.97);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(245, 158, 11, 0.3);
            padding: 0.6rem 1rem;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.5);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 55;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A3D2A, #0B2E1E);
            border: 2px solid #F59E0B;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: transform 0.4s ease, opacity 0.3s ease, box-shadow 0.3s ease;
            animation: fabBreath 3s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab .fab-icon {
            font-size: 1.4rem;
            color: #FCD34D;
            transition: transform 0.6s ease;
        }
        .fab:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: fabPulse 2s ease-in-out infinite;
        }
        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); opacity: 0.85; }
            50% { transform: translateY(-4px); opacity: 1; }
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.6); }
            50% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); }
        }
        @media (max-width: 768px) {
            .hero-bg {
                background-attachment: scroll;
            }
            .fab {
                bottom: 4.8rem;
                width: 48px;
                height: 48px;
                left: 0.75rem;
            }
            .fab .fab-icon {
                font-size: 1.2rem;
            }
            body {
                padding-bottom: 64px;
            }
        }
        @media (max-width: 480px) {
            .fab {
                width: 44px;
                height: 44px;
                bottom: 4.5rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
        }
        /* Trust row */
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #CBD5E1;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: 0.5rem;
            padding: 0.5rem 1rem;
        }
        .trust-badge i {
            color: #FCD34D;
            font-size: 1rem;
        }
        /* Table spec */
        .spec-table {
            width: 100%;
            border-collapse: collapse;
        }
        .spec-table th {
            text-align: left;
            color: #FCD34D;
            font-weight: 700;
            padding: 0.9rem 1.2rem;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.25);
            font-size: 0.9rem;
        }
        .spec-table td {
            padding: 0.9rem 1.2rem;
            color: #E2E8F0;
            border: 1px solid rgba(245, 158, 11, 0.2);
            font-size: 0.9rem;
        }
        .spec-table tr:hover td {
            background: rgba(245, 158, 11, 0.04);
        }

/* roulang page: category2 */
:root {
            --brand-dark: #051F14;
            --brand-darker: #0B2E1E;
            --brand-gold: #F59E0B;
            --brand-goldlight: #FCD34D;
            --brand-ivory: #F8FAFC;
            --brand-mint: #D1FAE5;
            --brand-olive: #A3A375;
            --brand-red: #DC2626;
            --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.25);
            --shadow-neon: 0 0 15px rgba(245, 158, 11, 0.4);
            --radius: 1rem;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            line-height: 1.6;
            color: var(--brand-ivory);
            background-color: var(--brand-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .text-shadow-gold {
            text-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
        }
        .gold-border {
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .hero-bg {
            background-image: linear-gradient(rgba(5, 31, 20, 0.82), rgba(5, 31, 20, 0.94)), url('/assets/images/770e9b61be852dab.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        @media (max-width: 768px) {
            .hero-bg {
                background-attachment: scroll;
            }
        }
        .nav-link {
            position: relative;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: #FCD34D;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 2px;
        }
        .btn-primary {
            background-image: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #051F14;
        }
        .btn-outline {
            border: 1px solid rgba(245, 158, 11, 0.6);
            color: #FCD34D;
            background: transparent;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .section-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 9999px;
            color: #FCD34D;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(245, 158, 11, 0.6) !important;
        }
        .card-tag {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 700;
            z-index: 5;
        }
        .card:hover .image-hover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }
        .image-hover {
            transition: transform 0.5s ease, filter 0.5s ease;
        }
        .faq-item {
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .faq-question {
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #FCD34D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 5rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #FCD34D, #B45309 70%);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.85;
            transition: all 0.35s ease;
            animation: fab-breathe 3.5s ease-in-out infinite;
            text-decoration: none;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab .fab-icon {
            transition: transform 0.5s ease;
        }
        .fab:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 45;
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(245, 158, 11, 0.3);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .divider-gold {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.5), transparent);
        }
        .promo-card {
            position: relative;
            overflow: hidden;
            border-radius: 1rem;
            border: 1px solid rgba(245, 158, 11, 0.25);
            background: rgba(11, 46, 30, 0.7);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .promo-card:hover {
            border-color: rgba(245, 158, 11, 0.6);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.45);
        }
        .promo-card .promo-img-wrap {
            overflow: hidden;
            height: 180px;
            border-radius: 0.75rem 0.75rem 0 0;
        }
        .promo-card .promo-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .promo-card:hover .promo-img {
            transform: scale(1.06);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.5rem 0;
        }
        .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 0.75rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FCD34D;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

/* roulang page: category3 */
:root {
            --brand-dark: #051F14;
            --brand-darker: #0B2E1E;
            --brand-gold: #F59E0B;
            --brand-goldlight: #FCD34D;
            --brand-ivory: #F8FAFC;
            --brand-mint: #D1FAE5;
            --brand-olive: #A3A375;
            --brand-red: #DC2626;
            --shadow-gold: 0 4px 24px rgba(245, 158, 11, 0.25);
            --shadow-neon: 0 0 15px rgba(245, 158, 11, 0.4);
            --radius: 1rem;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            line-height: 1.6;
            color: var(--brand-ivory);
            background-color: var(--brand-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        .text-shadow-gold {
            text-shadow: 0 2px 12px rgba(245, 158, 11, 0.5);
        }
        .gold-border {
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .hero-bg-category {
            background-image: linear-gradient(rgba(5, 31, 20, 0.88), rgba(5, 31, 20, 0.96)), url('/assets/images/6e713f78ab4a5de0.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            border-color: rgba(245, 158, 11, 0.6) !important;
        }
        .nav-link {
            position: relative;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: #FCD34D;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, #F59E0B, #FCD34D);
            border-radius: 2px;
        }
        .btn-primary {
            background-image: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #051F14;
        }
        .btn-outline {
            border: 1px solid rgba(245, 158, 11, 0.6);
            color: #FCD34D;
            background: transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-outline:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: #FCD34D;
            color: #FCD34D;
        }
        .section-badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 9999px;
            color: #FCD34D;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }
        .card-tag {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #DC2626;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 700;
        }
        .card-tag-vip {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 0.5rem;
            font-weight: 800;
        }
        .card:hover .image-hover {
            transform: scale(1.05);
            filter: brightness(1.1);
        }
        .image-hover {
            transition: transform 0.4s ease, filter 0.4s ease;
        }
        .faq-item {
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .faq-question {
            cursor: pointer;
            transition: color 0.3s;
        }
        .faq-question:hover {
            color: #FCD34D;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 3.5rem;
            height: 3.5rem;
            background: radial-gradient(circle at 30% 30%, #1a3a2a, #051F14);
            border: 2px solid #F59E0B;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FCD34D;
            font-size: 1.5rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all 0.3s ease;
            opacity: 0.85;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 0.9rem;
            height: 0.9rem;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .game-grid-bg {
            background-image: radial-gradient(circle at 20% 30%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
                              radial-gradient(circle at 80% 70%, rgba(220, 38, 38, 0.05) 0%, transparent 60%);
        }
        .divider-gold {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.5), transparent);
        }
        @media (max-width: 768px) {
            .hero-bg-category {
                background-attachment: scroll;
            }
            .fab {
                bottom: 4.5rem;
                width: 3rem;
                height: 3rem;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .fab {
                left: 0.75rem;
                bottom: 4rem;
                width: 2.75rem;
                height: 2.75rem;
                font-size: 1rem;
            }
        }