/* roulang page: index */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --card-bg: #1E1E20;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-white: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #D5D8DC;
            --border-color: #3A3A3E;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 8px 24px rgba(197,160,89,0.15);
            --transition: 0.25s ease;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover,
        a:focus {
            color: #FFD700;
            outline: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: 70px 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }

        .text-left {
            text-align: left;
        }

        .text-center {
            text-align: center;
        }

        .text-right {
            text-align: right;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.01em;
        }

        .btn:focus {
            outline: 2px solid var(--accent-amber);
            outline-offset: 2px;
        }

        .btn-solid {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 100%);
            color: #121212;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255,191,0,0.3);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.45);
            color: #121212;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }

        .btn-outline:hover {
            background: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-white);
            border-color: transparent;
            padding: 10px 18px;
            font-weight: 600;
        }

        .btn-ghost:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.05);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(197,160,89,0.4);
            letter-spacing: 0.02em;
        }

        .badge-hot {
            background: rgba(255,0,0,0.15);
            color: #FF6B6B;
            border-color: rgba(255,0,0,0.4);
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: #2A2A2E;
        }

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

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(18,18,18,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFD700;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .brand:hover {
            color: #FFD700;
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-body);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links li a:hover,
        .nav-links li a:focus {
            background: rgba(255,255,255,0.06);
            color: var(--accent-amber);
        }

        .nav-links li.active a {
            color: #FFD700;
            background: rgba(197,160,89,0.12);
            border: 1px solid rgba(197,160,89,0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-white);
            transition: all 0.3s ease;
        }

        .nav-toggle:hover span {
            background-color: var(--accent-amber);
        }

        /* Hero */
        .hero {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 120px 0 100px;
            text-align: center;
            color: var(--text-white);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18,18,18,0.85) 0%, rgba(18,18,18,0.6) 50%, rgba(18,18,18,0.9) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #FFD700;
            margin-bottom: 1rem;
            text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }

        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-body);
            margin-bottom: 2rem;
            line-height: 1.6;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Gameplay section */
        .grid-two {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .gameplay-text h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }

        .gameplay-text p {
            margin-bottom: 1.5rem;
            color: var(--text-body);
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            color: var(--text-white);
            font-weight: 500;
        }

        .feature-list i {
            color: var(--accent-amber);
            margin-top: 4px;
        }

        .gameplay-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-color);
        }

        .gameplay-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

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

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step-counter;
        }

        .step-item {
            position: relative;
            padding: 30px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

        .step-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            color: #121212;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .step-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .step-text {
            color: var(--text-body);
            font-size: 0.95rem;
        }

        /* Ranking table */
        .ranking-list {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition);
        }

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

        .ranking-item:hover {
            background-color: rgba(197,160,89,0.05);
        }

        .rank-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            min-width: 50px;
            text-align: center;
        }

        .rank-info {
            flex: 1;
        }

        .rank-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .rank-meta {
            display: flex;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .rank-meta span i {
            margin-right: 5px;
        }

        .rank-actions {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }

        .rank-actions .btn {
            padding: 8px 18px;
            font-size: 0.8rem;
        }

        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .news-item:first-child {
            padding-top: 0;
        }

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

        .news-index {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            min-width: 44px;
        }

        .news-content {
            flex: 1;
        }

        .news-content a {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            display: block;
            margin-bottom: 4px;
        }

        .news-content a:hover {
            color: var(--accent-amber);
        }

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

        .news-excerpt {
            margin-top: 6px;
            color: var(--text-body);
            font-size: 0.95rem;
        }

        .news-empty {
            padding: 30px;
            text-align: center;
            color: var(--text-muted);
            font-style: italic;
        }

        .news-featured {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px;
            align-self: start;
        }

        .news-featured h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 16px;
        }

        .news-featured ul {
            list-style: none;
            padding: 0;
        }

        .news-featured ul li {
            margin-bottom: 10px;
        }

        .news-featured ul li a {
            color: var(--text-body);
            font-weight: 500;
        }

        .news-featured ul li a:hover {
            color: var(--accent-amber);
        }

        /* CTA Section */
        .cta-section {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0;
            text-align: center;
            color: var(--text-white);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(18,18,18,0.8);
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFD700;
            margin-bottom: 1rem;
        }

        .cta-inner p {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            color: var(--text-body);
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-color: var(--accent-gold);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-white);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
        }

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

        .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-amber);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-body);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            margin: 0;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background-color: #0C0C0E;
            border-top: 1px solid var(--border-color);
            padding: 50px 0 20px;
            color: var(--text-body);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFD700;
            margin-bottom: 12px;
            display: block;
        }

        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .footer-payment {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-payment span {
            background: rgba(255,255,255,0.06);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
        }

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

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

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

        .footer-col ul li a {
            color: var(--text-body);
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            color: #121212;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            border: 2px solid #FFD700;
            cursor: pointer;
            transition: all var(--transition);
            opacity: 0.7;
            animation: float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 8px 30px rgba(255,215,0,0.5);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab i {
            font-size: 1.8rem;
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #121212;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-two {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .rewards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
                gap: 12px;
            }

            .brand {
                font-size: 1.1rem;
            }

            .nav-toggle {
                display: flex;
                order: 3;
            }

            .main-nav {
                order: 4;
                flex-basis: 100%;
                display: none;
            }

            .main-nav.mobile-open {
                display: block;
            }

            .nav-links {
                flex-direction: column;
                gap: 0;
                width: 100%;
            }

            .nav-links li a {
                padding: 12px 16px;
                border-radius: 8px;
            }

            .nav-actions {
                order: 2;
                margin-left: auto;
            }

            .nav-actions .btn-ghost {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-actions .btn-solid {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .hero {
                padding: 80px 0 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }

            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }

            .rewards-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .rank-actions {
                width: 100%;
                justify-content: flex-end;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .fab {
                width: 48px;
                height: 48px;
                bottom: 80px;
                left: 12px;
            }
            .fab i {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --card-bg: #1E1E20;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-white: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #D5D8DC;
            --border-color: #3A3A3E;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 8px 24px rgba(197,160,89,0.15);
            --transition: 0.25s ease;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover, a:focus {
            color: #FFD700;
            outline: none;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background-color: var(--secondary-bg);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }
        .text-left { text-align: left; }
        .text-center { text-align: center; }
        .text-right { text-align: right; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .btn:focus {
            outline: 2px solid var(--accent-amber);
            outline-offset: 2px;
        }
        .btn-solid {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 100%);
            color: #121212;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255,191,0,0.3);
        }
        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.45);
            color: #121212;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }
        .btn-outline:hover {
            background: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-white);
            border-color: transparent;
            padding: 10px 18px;
            font-weight: 600;
        }
        .btn-ghost:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.05);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(197,160,89,0.4);
            letter-spacing: 0.02em;
        }
        .badge-hot {
            background: rgba(255,0,0,0.15);
            color: #FF6B6B;
            border-color: rgba(255,0,0,0.4);
        }
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }
        .card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: #2A2A2E;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.5;
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(18,18,18,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-amber);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand:hover { color: #FFD700; }
        .main-nav ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav ul li a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
        }
        .main-nav ul li a:hover {
            color: var(--accent-amber);
        }
        .main-nav ul li.active a {
            color: var(--accent-amber);
            font-weight: 700;
        }
        .main-nav ul li.active a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-amber), var(--accent-gold));
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-actions .btn {
            padding: 9px 20px;
            font-size: 0.88rem;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            padding: 0 10px;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background-color: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Hero */
        .category-hero {
            background: linear-gradient(180deg, rgba(28,28,30,0.95) 0%, rgba(18,18,18,0.98) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 90px 0 70px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(197,160,89,0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }
        .hero-content {
            text-align: left;
        }
        .hero-content h1 {
            font-size: 2.7rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
        }
        .hero-content h1 em {
            font-style: normal;
            color: var(--accent-amber);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 1.8rem;
            max-width: 560px;
        }
        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 1.5rem;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-body);
        }
        .hero-meta-item i {
            color: var(--accent-amber);
        }
        .hero-panel {
            background: rgba(30,30,32,0.85);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-soft);
        }
        .hero-panel-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            margin-bottom: 18px;
            font-weight: 700;
        }
        .hero-rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            border: 1px solid rgba(197,160,89,0.15);
            transition: all var(--transition);
        }
        .hero-rank-item:hover {
            background: rgba(197,160,89,0.08);
            border-color: rgba(197,160,89,0.4);
        }
        .hero-rank-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            color: #121212;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .hero-rank-info {
            flex: 1;
        }
        .hero-rank-name {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.92rem;
            margin-bottom: 2px;
        }
        .hero-rank-rating {
            font-size: 0.78rem;
            color: var(--accent-amber);
        }
        .hero-rank-percent {
            font-weight: 800;
            font-size: 0.88rem;
            color: #2ECC71;
        }
        /* Content Sections */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .split-section .text-block {
            text-align: left;
        }
        .split-section .text-block h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        .split-section .text-block p {
            color: var(--text-body);
            font-size: 1rem;
            line-height: 1.65;
            margin-bottom: 1rem;
        }
        .feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.5;
        }
        .feature-list li i {
            color: var(--accent-amber);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .data-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 1.5rem;
        }
        .data-badge {
            background: rgba(197,160,89,0.1);
            border: 1px solid rgba(197,160,89,0.3);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            text-align: center;
            min-width: 110px;
        }
        .data-badge-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
            line-height: 1.2;
        }
        .data-badge-label {
            font-size: 0.78rem;
            color: var(--text-body);
            margin-top: 4px;
            display: block;
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: left;
            transition: all var(--transition);
            position: relative;
        }
        .step-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            color: #121212;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.55;
            margin: 0;
        }
        /* FAQ */
        .faq-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
            text-align: left;
        }
        .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            text-align: left;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.98rem;
            font-family: inherit;
        }
        .faq-question i {
            color: var(--accent-amber);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.expanded .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .faq-item.expanded .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }
        /* CTA Section */
        .cta-panel {
            background: linear-gradient(135deg, rgba(197,160,89,0.15) 0%, rgba(255,191,0,0.08) 50%, rgba(18,18,18,0.95) 100%), var(--secondary-bg);
            border: 1px solid rgba(197,160,89,0.25);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: left;
        }
        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 1rem;
        }
        .cta-panel p {
            font-size: 1.05rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 1.8rem;
            max-width: 600px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        /* Testimonial */
        .testimonial-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
            transform: none;
        }
        .testimonial-quote {
            font-size: 1.3rem;
            color: var(--accent-amber);
            line-height: 1;
            margin-bottom: 12px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            color: #121212;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
        }
        .testimonial-name {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.92rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        /* Footer */
        .site-footer {
            background-color: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 24px;
            text-align: left;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 0.9fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-payment {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-payment span {
            background: rgba(197,160,89,0.1);
            border: 1px solid rgba(197,160,89,0.3);
            border-radius: 4px;
            padding: 4px 10px;
            font-size: 0.75rem;
            color: var(--accent-amber);
            font-weight: 600;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li {
            font-size: 0.88rem;
            color: var(--text-body);
        }
        .footer-col ul li a {
            color: var(--text-body);
        }
        .footer-col ul li a:hover {
            color: var(--accent-amber);
        }
        .footer-col ul li i {
            color: var(--accent-amber);
            margin-right: 8px;
            width: 16px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-body);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1C1C1E, #0B0B0B);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            transition: all var(--transition);
            text-decoration: none;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255,215,0,0.5);
            color: var(--accent-amber);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: #FF0000;
            border: 2px solid #121212;
            animation: fab-blink 1.5s infinite;
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .split-section {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .main-nav ul {
                gap: 18px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-desc {
                font-size: 0.98rem;
            }
            .cta-panel {
                padding: 32px 24px;
            }
            .cta-panel h2 {
                font-size: 1.5rem;
            }
            .header-inner {
                height: 62px;
                gap: 12px;
            }
            .brand {
                font-size: 1.1rem;
            }
            .nav-actions .btn-ghost {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background-color: rgba(18,18,18,0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-color);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
                z-index: 99;
            }
            .main-nav.open {
                max-height: 400px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
                padding: 12px 20px;
            }
            .main-nav ul li {
                width: 100%;
            }
            .main-nav ul li a {
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.06);
                font-size: 0.95rem;
            }
            .main-nav ul li:last-child a {
                border-bottom: none;
            }
            .main-nav ul li.active a::after {
                display: none;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
            .data-badge-row {
                gap: 10px;
            }
            .data-badge {
                min-width: 90px;
                padding: 10px 14px;
            }
            .data-badge-num {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta .btn {
                width: 100%;
            }
            .hero-panel {
                padding: 18px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --card-bg: #1E1E20;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-white: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #D5D8DC;
            --border-color: #3A3A3E;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 8px 24px rgba(197,160,89,0.15);
            --transition: 0.25s ease;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover,
        a:focus {
            color: #FFD700;
            outline: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background-color: var(--secondary-bg);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }
        .text-left {
            text-align: left;
        }
        .text-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .btn:focus {
            outline: 2px solid var(--accent-amber);
            outline-offset: 2px;
        }
        .btn-solid {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 100%);
            color: #121212;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255,191,0,0.3);
        }
        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.45);
            color: #121212;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }
        .btn-outline:hover {
            background: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-white);
            border-color: transparent;
            padding: 10px 18px;
            font-weight: 600;
        }
        .btn-ghost:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.05);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(197,160,89,0.4);
            letter-spacing: 0.02em;
        }
        .badge-hot {
            background: rgba(255,0,0,0.15);
            color: #FF6B6B;
            border-color: rgba(255,0,0,0.4);
        }
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }
        .card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: #2A2A2E;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.5;
        }
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(18,18,18,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand:hover,
        .brand:focus {
            color: var(--accent-amber);
        }
        .main-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            transition: color var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover,
        .main-nav li a:focus {
            color: var(--accent-amber);
        }
        .main-nav li.active a {
            color: var(--accent-amber);
            font-weight: 700;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
        }
        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Article Hero */
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 460px;
            display: flex;
            align-items: flex-end;
            padding: 80px 0 50px;
            color: var(--text-white);
            isolation: isolate;
        }
        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18,18,18,0.55) 0%, rgba(18,18,18,0.85) 70%, rgba(18,18,18,0.95) 100%);
            z-index: -1;
        }
        .article-hero-inner {
            max-width: 850px;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--accent-amber);
        }
        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-body);
            margin-bottom: 16px;
        }
        .article-meta i {
            color: var(--accent-amber);
            margin-right: 6px;
        }
        .article-excerpt {
            font-size: 1.15rem;
            line-height: 1.6;
            color: var(--text-body);
            max-width: 750px;
        }
        /* Article Body */
        .article-body {
            background-color: var(--primary-bg);
        }
        .article-content {
            max-width: 850px;
            margin: 0 auto;
        }
        .article-prose {
            color: var(--text-body);
            font-size: 1rem;
            line-height: 1.7;
        }
        .article-prose h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 2rem 0 1rem;
        }
        .article-prose h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 1.8rem 0 0.8rem;
        }
        .article-prose p {
            margin-bottom: 1.25rem;
        }
        .article-prose ul,
        .article-prose ol {
            margin: 0 0 1.25rem 1.5rem;
        }
        .article-prose li {
            margin-bottom: 0.5rem;
        }
        .article-prose img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
        }
        .article-prose blockquote {
            margin: 2rem 0;
            padding: 1.5rem 2rem;
            background: var(--secondary-bg);
            border-left: 4px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            font-style: italic;
            color: var(--text-white);
            font-size: 1.1rem;
        }
        .not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
        }
        .not-found h3 {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .not-found p {
            margin-bottom: 24px;
        }
        /* Pull Quote */
        .pull-quote-wrap {
            background: var(--secondary-bg);
            padding: 70px 0;
        }
        .pull-quote {
            max-width: 800px;
            margin: 0 auto;
            text-align: left;
            padding-left: 24px;
            border-left: 4px solid var(--accent-gold);
        }
        .pull-quote p {
            font-size: 1.45rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .pull-quote span {
            color: var(--accent-amber);
            font-size: 0.9rem;
            font-weight: 600;
        }
        /* Related categories */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        /* Trust strip */
        .trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: flex-start;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(197,160,89,0.08);
            border: 1px solid rgba(197,160,89,0.25);
            border-radius: 40px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
        }
        .trust-item i {
            color: var(--accent-amber);
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background: var(--card-bg);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-item summary {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            transition: transform var(--transition);
            color: var(--accent-amber);
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* CTA */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            color: var(--text-white);
            text-align: center;
            isolation: isolate;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(18,18,18,0.85);
            z-index: -1;
        }
        .cta-section .section-title {
            color: var(--text-white);
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        /* Footer */
        .site-footer {
            background: #0D0D0F;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            display: inline-block;
            margin-bottom: 16px;
        }
        .footer-brand:hover {
            color: var(--accent-amber);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .footer-payment {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-payment span {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 6px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-body);
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-body);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-amber);
        }
        .footer-col ul li i {
            margin-right: 8px;
            color: var(--accent-amber);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-body);
        }
        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2b2b2b, #0d0d0d);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(197,160,89,0.3);
            animation: fabFloat 3s ease-in-out infinite;
            opacity: 0.7;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .fab-royal:hover,
        .fab-royal:focus {
            opacity: 1;
            transform: scale(1.1);
            background: radial-gradient(circle at 30% 30%, #3a3a3a, #1a1a1a);
            box-shadow: 0 8px 28px rgba(197,160,89,0.5);
            color: #FFD700;
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-royal::after {
            content: "";
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border: 2px solid #121212;
            border-radius: 50%;
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        .fab-royal i.fa-crown {
            position: absolute;
            top: -10px;
            font-size: 0.8rem;
            color: #FFD700;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 2rem;
            }
            .article-hero h1 {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                width: 100%;
                background: rgba(18,18,18,0.98);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
            }
            .main-nav.open {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 12px;
            }
            .main-nav li a {
                display: block;
                padding: 8px 0;
                font-size: 1rem;
            }
            .nav-actions {
                margin-right: 52px;
            }
            .nav-toggle {
                display: flex;
                position: absolute;
                right: 20px;
            }
            .article-hero {
                min-height: 360px;
                padding: 80px 0 40px;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .article-excerpt {
                font-size: 1rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .pull-quote p {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 60px 0;
            }
            .fab-royal {
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
                left: 10px;
                bottom: 80px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --card-bg: #1E1E20;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-white: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #D5D8DC;
            --border-color: #3A3A3E;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 8px 24px rgba(197,160,89,0.15);
            --transition: 0.25s ease;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
            --danger: #FF6B6B;
            --success: #4CAF50;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover,
        a:focus {
            color: #FFD700;
            outline: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section {
            padding: 70px 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }

        .text-left {
            text-align: left;
        }

        .text-center {
            text-align: center;
        }

        .text-right {
            text-align: right;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.01em;
            gap: 8px;
        }

        .btn:focus {
            outline: 2px solid var(--accent-amber);
            outline-offset: 2px;
        }

        .btn-solid {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 100%);
            color: #121212;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255,191,0,0.3);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.45);
            color: #121212;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }

        .btn-outline:hover {
            background: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-white);
            border-color: transparent;
            padding: 10px 18px;
            font-weight: 600;
        }

        .btn-ghost:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.05);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(197,160,89,0.4);
            letter-spacing: 0.02em;
        }

        .badge-hot {
            background: rgba(255,0,0,0.15);
            color: var(--danger);
            border-color: rgba(255,0,0,0.4);
        }

        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: #2A2A2E;
        }

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

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(18,18,18,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }

        .brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand:hover {
            color: var(--accent-amber);
        }

        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links li a {
            display: block;
            padding: 10px 16px;
            color: var(--text-body);
            font-weight: 500;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.06);
        }

        .nav-links li.active a {
            color: var(--accent-amber);
            background: rgba(197,160,89,0.15);
            font-weight: 700;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            transition: all var(--transition);
            border-radius: 2px;
        }

        .nav-toggle:hover span {
            background: var(--accent-amber);
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0B0B0B 0%, #1C1C1E 50%, #231B0E 100%);
            padding: 80px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(197,160,89,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,191,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .hero-content {
            flex: 1.2;
        }

        .hero-badge {
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title span {
            color: var(--accent-amber);
        }

        .hero-sub {
            font-size: 1.15rem;
            color: var(--text-body);
            margin-bottom: 30px;
            max-width: 600px;
            line-height: 1,7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-item {
            text-align: left;
        }

        .stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-amber);
            display: block;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-body);
        }

        .hero-visual {
            flex: 1;
            position: relative;
        }

        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(197,160,89,0.3);
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            max-width: 480px;
            margin-left: auto;
        }

        .hero-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-float-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(18,18,18,0.9);
            backdrop-filter: blur(8px);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-gold);
        }

        .hero-float-badge i {
            font-size: 1.8rem;
            color: var(--accent-amber);
        }

        .hero-float-badge .float-text .label {
            font-size: 0.75rem;
            color: var(--text-body);
        }

        .hero-float-badge .float-text .value {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
        }

        /* Steps Section */
        .steps-section {
            background-color: var(--primary-bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .step-card {
            background: transparent;
            border: none;
            padding: 0;
            box-shadow: none;
            transform: none;
            display: flex;
            flex-direction: column;
            border-left: 3px solid var(--accent-gold);
            padding-left: 20px;
        }

        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(197,160,89,0.3);
            line-height: 1;
            margin-bottom: 10px;
        }

        .step-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* Tips Section */
        .tips-section {
            background-color: var(--secondary-bg);
        }

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

        .tip-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

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

        .tip-icon {
            width: 48px;
            height: 48px;
            background: rgba(197,160,89,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .tip-icon i {
            font-size: 1.3rem;
            color: var(--accent-amber);
        }

        .tip-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .tip-card p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* Payout Section */
        .payout-section {
            background-color: var(--primary-bg);
        }

        .payout-table-wrap {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: var(--card-bg);
        }

        table.payout-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .payout-table th,
        .payout-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-body);
            font-size: 0.95rem;
        }

        .payout-table th {
            background: var(--secondary-bg);
            color: var(--text-white);
            font-weight: 700;
            letter-spacing: 0.02em;
            text-transform: uppercase;
            font-size: 0.8rem;
        }

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

        .payout-table tr:hover td {
            background: rgba(255,255,255,0.03);
        }

        .highlight-value {
            color: var(--accent-amber);
            font-weight: 700;
        }

        /* FAQ Section */
        .faq-section {
            background-color: var(--secondary-bg);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            user-select: none;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #141414 0%, #231B0E 100%);
            border-top: 1px solid rgba(197,160,89,0.3);
            border-bottom: 1px solid rgba(197,160,89,0.3);
        }

        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .cta-content {
            flex: 1;
            min-width: 280px;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 600px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background-color: #0B0B0B;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            display: inline-block;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-payment {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-payment span {
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 0.8rem;
            color: var(--text-body);
            font-weight: 600;
        }

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

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

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

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

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

        .footer-col ul li i {
            margin-right: 8px;
            color: var(--accent-amber);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-body);
        }

        /* FAB */
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 50px;
            padding: 10px 18px;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            opacity: 0.6;
            transition: opacity var(--transition), box-shadow var(--transition), transform var(--transition);
            box-shadow: 0 0 15px rgba(0,240,255,0.3);
            text-decoration: none;
            min-width: 48px;
            min-height: 48px;
            justify-content: center;
        }

        .floating-fab:hover {
            opacity: 1;
            box-shadow: 0 0 25px rgba(0,240,255,0.6);
            transform: scale(1.05);
            color: var(--text-white);
        }

        .floating-fab i {
            font-size: 1.2rem;
            color: #00F0FF;
        }

        .floating-fab .fab-text {
            display: inline;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-visual {
                width: 100%;
            }
            .hero-image-wrap {
                max-width: 100%;
                margin-left: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: auto;
                flex-wrap: wrap;
                padding: 12px 0;
            }
            .main-nav {
                order: 3;
                flex-basis: 100%;
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 10px 0;
            }
            .nav-links li a {
                padding: 12px 16px;
                width: 100%;
                text-align: left;
            }
            .nav-actions {
                margin-left: auto;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                padding: 50px 0 40px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
            }
            .floating-fab .fab-text {
                display: none;
            }
            .floating-fab {
                padding: 12px;
                border-radius: 50%;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .stat-value {
                font-size: 1.3rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #121212;
            --secondary-bg: #1C1C1E;
            --card-bg: #1E1E20;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --text-white: #F5F5F7;
            --text-muted: #D4AC0D;
            --text-body: #D5D8DC;
            --border-color: #3A3A3E;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-soft: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-gold: 0 8px 24px rgba(197,160,89,0.15);
            --transition: 0.25s ease;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --container-max: 1200px;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent-amber);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover, a:focus {
            color: #FFD700;
            outline: none;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background-color: var(--secondary-bg);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 700px;
            line-height: 1.6;
        }
        .text-left { text-align: left; }
        .text-center { text-align: center; }
        .text-right { text-align: right; }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .btn:focus {
            outline: 2px solid var(--accent-amber);
            outline-offset: 2px;
        }
        .btn-solid {
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 100%);
            color: #121212;
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(255,191,0,0.3);
        }
        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,191,0,0.45);
            color: #121212;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-amber);
            border-color: var(--accent-amber);
        }
        .btn-outline:hover {
            background: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-white);
            border-color: transparent;
            padding: 10px 18px;
            font-weight: 600;
        }
        .btn-ghost:hover {
            color: var(--accent-amber);
            background: rgba(255,255,255,0.05);
        }
        .btn-large {
            padding: 16px 36px;
            font-size: 1.05rem;
        }
        
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(197,160,89,0.15);
            color: var(--accent-amber);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(197,160,89,0.4);
            letter-spacing: 0.02em;
        }
        .badge-hot {
            background: rgba(255,0,0,0.15);
            color: #FF6B6B;
            border-color: rgba(255,0,0,0.4);
        }
        .badge-success {
            background: rgba(46,204,113,0.15);
            color: #2ECC71;
            border-color: rgba(46,204,113,0.4);
        }
        
        .card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }
        .card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            background-color: #2A2A2E;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.5;
        }
        
        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(18,18,18,0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .brand:hover {
            color: var(--accent-amber);
        }
        .brand .brand-highlight {
            color: var(--accent-amber);
        }
        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-amber), var(--accent-gold));
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--accent-amber);
        }
        .nav-links a:hover::after,
        .nav-links a:focus::after {
            transform: scaleX(1);
        }
        .nav-links li.active a {
            color: var(--accent-amber);
            font-weight: 600;
        }
        .nav-links li.active a::after {
            transform: scaleX(1);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 101;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2A2A2E, #121212);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3), inset 0 1px 2px rgba(255,255,255,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            opacity: 0.7;
            text-decoration: none;
            animation: fab-float 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255,215,0,0.5), inset 0 1px 2px rgba(255,255,255,0.15);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-left i {
            color: var(--accent-amber);
            font-size: 1.4rem;
            transition: transform 0.4s ease;
        }
        .fab-left:hover i {
            transform: rotate(360deg);
        }
        .fab-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: fab-blink 1.8s ease-in-out infinite;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Hero */
        .hero-promo {
            padding: 80px 0 70px;
            background-color: var(--primary-bg);
            position: relative;
            overflow: hidden;
        }
        .hero-promo::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197,160,89,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-promo::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,191,0,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-promo .container {
            position: relative;
            z-index: 1;
        }
        .hero-content-wrap {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        .hero-copy {
            flex: 1 1 480px;
            min-width: 0;
        }
        .hero-copy .badge {
            margin-bottom: 18px;
        }
        .hero-copy h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
        }
        .hero-copy h1 .gold-text {
            color: var(--accent-amber);
        }
        .hero-copy .hero-sub {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 30px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-progress-wrap {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-soft);
            max-width: 520px;
        }
        .hero-progress-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: var(--text-body);
        }
        .hero-progress-top strong {
            color: var(--accent-amber);
            font-weight: 700;
        }
        .progress-ring-wrap {
            flex: 0 0 260px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .progress-ring {
            position: relative;
            width: 200px;
            height: 200px;
        }
        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring .ring-bg {
            fill: none;
            stroke: #2A2A2E;
            stroke-width: 12;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: url(#goldGradient);
            stroke-width: 12;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }
        .progress-ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .progress-ring-center .ring-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .progress-ring-center .ring-label {
            font-size: 0.75rem;
            color: var(--text-body);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .hero-progress-stats {
            display: flex;
            gap: 20px;
            margin-top: 14px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            flex: 1;
            min-width: 80px;
        }
        .hero-stat .stat-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-amber);
        }
        .hero-stat .stat-label {
            font-size: 0.75rem;
            color: var(--text-body);
            letter-spacing: 0.03em;
        }
        
        /* Reward Tiers */
        .tier-panel {
            flex: 1 1 360px;
            min-width: 0;
        }
        .tier-panel-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            text-align: left;
        }
        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .tier-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-amber), var(--accent-gold));
            border-radius: 0 4px 4px 0;
        }
        .tier-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .tier-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .tier-icon.gold {
            background: rgba(255,191,0,0.15);
            color: var(--accent-amber);
            border: 2px solid rgba(255,191,0,0.5);
        }
        .tier-icon.silver {
            background: rgba(197,160,89,0.12);
            color: #C5A059;
            border: 2px solid rgba(197,160,89,0.45);
        }
        .tier-icon.bronze {
            background: rgba(205,127,50,0.12);
            color: #CD7F32;
            border: 2px solid rgba(205,127,50,0.45);
        }
        .tier-info {
            flex: 1;
        }
        .tier-info .tier-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 2px;
        }
        .tier-info .tier-detail {
            font-size: 0.85rem;
            color: var(--text-body);
        }
        .tier-status {
            flex-shrink: 0;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(46,204,113,0.12);
            color: #2ECC71;
            border: 1px solid rgba(46,204,113,0.35);
        }
        
        /* Pain Section */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .pain-item {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .pain-item:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .pain-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255,107,107,0.1);
            color: #FF6B6B;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .pain-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .pain-item p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.55;
            margin: 0;
        }
        
        /* Stats / Results */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .stat-card .stat-big {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-card .stat-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.45;
        }
        
        /* Solution Section */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
        }
        .solution-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }
        .solution-card .solution-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #2A2A2E;
        }
        .solution-card .solution-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .solution-card:hover .solution-img img {
            transform: scale(1.05);
        }
        .solution-card .solution-body {
            padding: 22px 22px 25px;
        }
        .solution-card .solution-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .solution-card .solution-text {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.55;
        }
        .solution-card .solution-tag {
            display: inline-block;
            margin-bottom: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-amber);
            background: rgba(197,160,89,0.12);
            padding: 4px 12px;
            border-radius: 16px;
            letter-spacing: 0.02em;
        }
        
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: 26px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        .testimonial-card .quote-mark {
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.6rem;
            color: rgba(197,160,89,0.25);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 18px;
            padding-right: 20px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFBF00, #C5A059);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #121212;
            font-weight: 700;
            font-size: 1rem;
        }
        .testimonial-name {
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.92rem;
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--text-body);
        }
        
        /* FAQ */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(197,160,89,0.5);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-amber);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--accent-amber);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .cta-panel {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-panel .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-panel .cta-text {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        
        /* Footer */
        .site-footer {
            background-color: #0E0E0F;
            color: var(--text-body);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-brand:hover {
            color: var(--accent-amber);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 16px;
            max-width: 380px;
        }
        .footer-payment {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-payment span {
            background: var(--card-bg);
            color: var(--accent-amber);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a,
        .footer-col ul li {
            font-size: 0.88rem;
            color: var(--text-body);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-amber);
        }
        .footer-col ul li i {
            color: var(--accent-amber);
            margin-right: 8px;
            font-size: 0.8rem;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.78rem;
            color: #6E6E73;
        }
        
        /* Foundation Overrides */
        .row {
            max-width: 100%;
        }
        .columns {
            padding-left: 0.625rem;
            padding-right: 0.625rem;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content-wrap {
                flex-direction: column;
                align-items: stretch;
                gap: 40px;
            }
            .hero-copy {
                flex: 1 1 auto;
            }
            .tier-panel {
                flex: 1 1 auto;
            }
            .hero-copy h1 {
                font-size: 2.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                gap: 12px;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background-color: rgba(18,18,18,0.98);
                backdrop-filter: blur(16px);
                border-bottom: 1px solid var(--border-color);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
                z-index: 99;
                flex-direction: column;
            }
            .main-nav.open {
                max-height: 400px;
            }
            .nav-links {
                flex-direction: column;
                gap: 0;
                padding: 16px 20px;
                align-items: flex-start;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 12px 0;
                font-size: 0.95rem;
                border-bottom: 1px solid rgba(255,255,255,0.05);
            }
            .nav-links a::after {
                display: none;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-actions .btn-ghost,
            .nav-actions .btn-solid {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .nav-toggle {
                display: flex;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .hero-promo {
                padding: 50px 0;
            }
            .hero-copy h1 {
                font-size: 1.9rem;
            }
            .progress-ring-wrap {
                flex: 1 1 auto;
                align-items: center;
            }
            .progress-ring {
                width: 160px;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-left {
                bottom: 80px;
                left: 12px;
                width: 48px;
                height: 48px;
            }
            .fab-left i {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-copy h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .tier-card {
                flex-direction: column;
                text-align: center;
                gap: 10px;
                padding: 18px;
            }
            .tier-card::before {
                width: 100%;
                height: 4px;
                top: 0;
                left: 0;
                border-radius: 4px 4px 0 0;
                background: linear-gradient(90deg, var(--accent-amber), var(--accent-gold));
            }
            .tier-status {
                align-self: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card .stat-big {
                font-size: 1.8rem;
            }
            .pain-grid,
            .solution-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }