/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE680;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A3E0D0;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-subtle: rgba(209, 242, 235, 0.15);
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        
        ::selection {
            background: var(--accent-gold);
            color: var(--bg-dark);
        }
        
        /* Container */
        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        
        @media (min-width: 768px) {
            .container-main {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        
        @media (min-width: 1024px) {
            .container-main {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }
        
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }
        
        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }
        
        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }
        
        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        
        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-login {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .btn-signup {
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }
        
        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            transform: translateY(-1px);
        }
        
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }
        
        /* Mobile Menu Toggle */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }
        
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        
        .mobile-menu {
            display: none;
            padding: 1rem 0;
            border-top: 1px solid var(--border-subtle);
            background: rgba(6, 35, 21, 0.98);
        }
        
        .mobile-menu.open {
            display: block;
        }
        
        .mobile-menu a {
            display: block;
            padding: 0.75rem 1.5rem;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border-radius: 8px;
            margin: 0 0.5rem;
        }
        
        .mobile-menu a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
        }
        
        .mobile-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }
        
        .mobile-auth {
            display: flex;
            gap: 0.75rem;
            padding: 1rem 1.5rem;
        }
        
        .mobile-auth .btn-login,
        .mobile-auth .btn-signup {
            flex: 1;
            text-align: center;
        }
        
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
            .menu-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }
        
        @media (max-width: 1023px) {
            .nav-auth {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
        }
        
        /* Hero Section */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 4rem;
            position: relative;
            overflow: hidden;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 35, 21, 0.85) 0%, rgba(6, 35, 21, 0.6) 40%, rgba(10, 45, 28, 0.9) 100%);
            z-index: 1;
        }
        
        .hero-bg-image {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        
        .hero-title {
            font-size: 2.25rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }
        
        .hero-title .gold-text {
            color: var(--accent-gold);
        }
        
        @media (min-width: 768px) {
            .hero-title {
                font-size: 3rem;
            }
        }
        
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.5rem;
            }
        }
        
        .hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 1.5rem;
        }
        
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.1rem;
            }
        }
        
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2rem;
        }
        
        .btn-primary {
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.55);
            transform: translateY(-2px);
        }
        
        .btn-primary:active {
            transform: translateY(0);
        }
        
        .btn-outline {
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            border: 2px solid var(--border-gold);
            color: var(--accent-gold);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.2);
        }
        
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
        }
        
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        
        /* Icon Matrix */
        .icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }
        
        .icon-matrix-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 0.75rem 1.25rem;
            transition: all var(--transition-fast);
        }
        
        .icon-matrix-item:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: var(--border-gold);
        }
        
        .icon-matrix-item i {
            font-size: 1.2rem;
            color: var(--accent-gold);
        }
        
        .icon-matrix-item span {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        
        /* Section Base */
        section {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        
        @media (min-width: 768px) {
            section {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }
        
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        
        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }
        
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
            margin-bottom: 2rem;
        }
        
        /* Collection Directory */
        .collection-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        
        @media (min-width: 768px) {
            .collection-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        .collection-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }
        
        .collection-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-soft);
            transform: translateY(-4px);
        }
        
        .collection-card-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .collection-card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            text-align: left;
        }
        
        .collection-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        
        .collection-card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }
        
        .collection-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: all var(--transition-fast);
        }
        
        .collection-card-link:hover {
            gap: 0.65rem;
        }
        
        .card-tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--accent-red);
            color: #fff;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        /* Recommended Section */
        .recommend-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        
        @media (min-width: 768px) {
            .recommend-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (min-width: 1024px) {
            .recommend-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        
        .recommend-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: all var(--transition-base);
            text-align: left;
        }
        
        .recommend-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }
        
        .recommend-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.3rem;
            color: var(--accent-gold);
        }
        
        .recommend-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }
        
        .recommend-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* Article/Content Section */
        .article-section {
            background: var(--bg-dark);
        }
        
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .article-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            text-align: left;
        }
        
        .article-item:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.04);
        }
        
        .article-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .article-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        .article-item-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
        }
        
        /* FAQ Section */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            text-align: left;
        }
        
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
        }
        
        .faq-question {
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
            width: 100%;
        }
        
        .faq-question:hover {
            color: var(--accent-gold);
        }
        
        .faq-question i {
            font-size: 0.8rem;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
        }
        
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        
        .faq-answer.open {
            display: block;
        }
        
        /* Guest Highlights */
        .guest-scroll {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        
        .guest-scroll::-webkit-scrollbar {
            height: 6px;
        }
        
        .guest-scroll::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 3px;
        }
        
        .guest-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 215, 0, 0.3);
            border-radius: 3px;
        }
        
        .guest-card {
            flex-shrink: 0;
            width: 280px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            scroll-snap-align: start;
            transition: all var(--transition-fast);
            text-align: left;
        }
        
        .guest-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-soft);
        }
        
        .guest-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--bg-dark);
            margin-bottom: 1rem;
            font-weight: 800;
        }
        
        .guest-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        
        .guest-card .guest-role {
            font-size: 0.8rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        
        .guest-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* Topic Tags */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        
        .topic-tag {
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        
        .topic-tag:hover {
            border-color: var(--border-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        /* Guide Section */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            text-align: left;
        }
        
        @media (min-width: 768px) {
            .guide-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        .guide-item {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            transition: all var(--transition-fast);
        }
        
        .guide-item:hover {
            border-color: var(--border-gold);
        }
        
        .guide-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }
        
        .guide-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        
        .guide-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A3D2B 0%, #0E593F 50%, #0A2E1C 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        
        .cta-box {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .cta-box h2 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        
        @media (min-width: 768px) {
            .cta-box h2 {
                font-size: 2rem;
            }
        }
        
        .cta-box p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-subtle);
            padding-top: 3rem;
            padding-bottom: 2rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 0.75rem;
        }
        
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 0.3rem 0;
            transition: all var(--transition-fast);
        }
        
        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 0.4rem;
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            align-items: center;
            text-align: center;
        }
        
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }
        
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .footer-badge {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .footer-badge span {
            font-size: 0.75rem;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
        }
        
        /* FAB */
        .fab-main {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1500 0%, #4D4000 100%);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        .fab-main:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
        }
        
        .fab-main:active {
            transform: scale(0.95);
        }
        
        .fab-main .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Misc */
        .text-gold {
            color: var(--accent-gold);
        }
        
        .divider {
            height: 1px;
            background: var(--border-subtle);
            margin: 0;
        }
        
        .text-left-content {
            text-align: left;
        }
        
        /* Responsive fine-tuning */
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-stats {
                gap: 1rem;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-box {
                padding: 1.75rem 1.25rem;
            }
            .guest-card {
                width: 240px;
            }
            .nav-logo {
                font-size: 0.9rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE680;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A3E0D0;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-subtle: rgba(209, 242, 235, 0.15);
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-main {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-main {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-login {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            padding: 1rem 0;
            border-top: 1px solid var(--border-subtle);
            background: rgba(6, 35, 21, 0.98);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border-left-color: var(--accent-gold);
        }

        @media (min-width: 992px) {
            .nav-links {
                display: flex;
            }

            .menu-toggle {
                display: none;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        /* Hero */
        .hero-category {
            position: relative;
            padding-top: 7rem;
            padding-bottom: 4rem;
            background: radial-gradient(circle at 20% 20%, rgba(18, 62, 37, 0.95), rgba(6, 35, 21, 0.98));
            overflow: hidden;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(6, 35, 21, 0.95) 0%, rgba(10, 46, 28, 0.75) 50%, rgba(6, 35, 21, 0.85) 100%);
            z-index: 1;
        }

        .hero-category .container-main {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        @media (min-width: 992px) {
            .hero-category .container-main {
                grid-template-columns: 1.1fr 0.9fr;
                gap: 3rem;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 1.25rem;
        }

        .hero-category h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }

        .hero-category h1 span {
            color: var(--accent-gold);
        }

        .hero-category p.lead {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .btn-primary-gold {
            padding: 0.8rem 1.75rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary-gold:hover {
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
            transform: translateY(-2px);
        }

        .btn-primary-gold:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .btn-outline-mint {
            padding: 0.8rem 1.75rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-outline-mint:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .hero-stats-mini {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .hero-stats-mini .stat-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .hero-stats-mini .stat-item i {
            color: var(--accent-gold);
        }

        /* Hero side ranking */
        .hero-ranking-panel {
            background: rgba(18, 62, 37, 0.8);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-elevated);
        }

        .hero-ranking-panel .panel-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--accent-gold);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .ranking-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent-gold);
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        .ranking-content {
            flex: 1;
        }

        .ranking-content .rank-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.2rem;
        }

        .ranking-content .rank-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .ranking-value {
            font-weight: 800;
            color: var(--accent-gold-light);
            font-size: 1.05rem;
            white-space: nowrap;
        }

        /* Sections */
        .section-padding {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        .section-label {
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2.5rem;
        }

        @media (min-width: 768px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.25rem;
            margin-bottom: 1.25rem;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Process steps */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 2.5rem;
        }

        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .process-step {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            position: relative;
            transition: all var(--transition-base);
        }

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

        .step-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(255, 215, 0, 0.25);
            line-height: 1;
            margin-bottom: 0.75rem;
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Content cards with images */
        .img-content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-top: 2.5rem;
        }

        @media (min-width: 768px) {
            .img-content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .img-content-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .img-content-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-elevated);
            transform: translateY(-3px);
        }

        .img-content-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .img-content-body {
            padding: 1.5rem;
        }

        .img-content-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }

        .img-content-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            transition: color var(--transition-fast);
            text-align: left;
        }

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

        .faq-question i {
            flex-shrink: 0;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding-bottom: 1.25rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-panel {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08), rgba(18, 62, 37, 0.95));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-elevated);
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .cta-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        /* Floating Action Button */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2a2a2a, #0a0a0a);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.25rem;
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
        }

        .fab-left:active {
            transform: scale(0.95);
        }

        .fab-left .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 0.4rem 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: flex-start;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-badge span {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

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

        .mb-0 { margin-bottom: 0; }
        .mt-0 { margin-top: 0; }
        .gap-sm { gap: 0.5rem; }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE680;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A3E0D0;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-subtle: rgba(209, 242, 235, 0.15);
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        /* Container */
        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 640px) {
            .container-main { padding-left: 2rem; padding-right: 2rem; }
        }

        @media (min-width: 1024px) {
            .container-main { padding-left: 3rem; padding-right: 3rem; }
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-login {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--border-subtle);
            background: rgba(6, 35, 21, 0.98);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-menu .mobile-auth-row {
            display: flex;
            gap: 0.75rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-subtle);
        }

        .mobile-menu .mobile-auth-row a {
            flex: 1;
            text-align: center;
        }

        @media (min-width: 768px) {
            .nav-links { display: flex; }
            .menu-toggle { display: none; }
            .mobile-menu { display: none !important; }
        }

        /* Page padding for fixed header */
        .page-main {
            padding-top: 72px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* Article Hero */
        .article-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6,35,21,0.7) 0%, rgba(10,46,28,0.85) 60%, var(--bg-primary) 100%);
            z-index: 1;
        }

        .article-hero .container-main {
            position: relative;
            z-index: 2;
        }

        .article-hero-inner {
            max-width: 820px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 0.4rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .article-hero h1 {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        @media (min-width: 640px) {
            .article-hero h1 { font-size: 2.5rem; }
        }

        @media (min-width: 1024px) {
            .article-hero h1 { font-size: 3rem; }
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .article-meta-item i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* Article Body */
        .article-body-wrapper {
            padding: 2.5rem 0 3rem;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .article-layout {
                grid-template-columns: minmax(0, 1fr) 320px;
                gap: 2.5rem;
            }
        }

        .article-content-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-soft);
        }

        @media (min-width: 640px) {
            .article-content-card { padding: 2rem 2.5rem; }
        }

        .article-content-card .cms-content {
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-content-card .cms-content h2 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            letter-spacing: -0.01em;
        }

        .article-content-card .cms-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin: 1.75rem 0 0.85rem;
        }

        .article-content-card .cms-content p {
            margin-bottom: 1.25rem;
        }

        .article-content-card .cms-content ul,
        .article-content-card .cms-content ol {
            margin: 0 0 1.5rem 1.5rem;
            padding: 0;
        }

        .article-content-card .cms-content li {
            margin-bottom: 0.6rem;
            padding-left: 0.25rem;
        }

        .article-content-card .cms-content ul li::marker {
            color: var(--accent-gold);
        }

        .article-content-card .cms-content ol li::marker {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .article-content-card .cms-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 1rem 1.25rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-content-card .cms-content img {
            border-radius: var(--radius-card);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-soft);
        }

        .article-content-card .cms-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

        .article-content-card .cms-content a:hover {
            color: var(--accent-gold-light);
        }

        .article-content-card .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }

        .article-content-card .cms-content table th,
        .article-content-card .cms-content table td {
            border: 1px solid var(--border-subtle);
            padding: 0.75rem 1rem;
            text-align: left;
        }

        .article-content-card .cms-content table th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .sidebar-widget {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-soft);
        }

        .sidebar-widget h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .sidebar-post-item {
            display: flex;
            gap: 1rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

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

        .sidebar-post-item:hover {
            transform: translateX(4px);
        }

        .sidebar-post-image {
            width: 72px;
            height: 72px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-subtle);
        }

        .sidebar-post-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .sidebar-post-item:hover .sidebar-post-image img {
            transform: scale(1.08);
        }

        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-info h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

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

        .sidebar-post-info span {
            display: block;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.35rem;
        }

        /* Related Section */
        .related-section {
            padding: 3rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
        }

        .related-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        @media (min-width: 640px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (min-width: 1024px) {
            .related-grid { grid-template-columns: repeat(3, 1fr); }
        }

        .related-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-soft);
            display: flex;
            flex-direction: column;
        }

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

        .related-card-image {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .related-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-category {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            margin-bottom: 0.75rem;
            align-self: flex-start;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 0.75rem;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card-title {
            color: var(--accent-gold);
        }

        .related-card-link {
            margin-top: auto;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: gap var(--transition-fast);
        }

        .related-card:hover .related-card-link {
            gap: 0.7rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 3rem 0;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-dark) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-box {
            background: rgba(255, 215, 0, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 2rem;
            text-align: center;
            box-shadow: var(--shadow-soft);
        }

        .cta-box h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.85rem;
            letter-spacing: -0.01em;
        }

        .cta-box p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            justify-content: center;
            align-items: center;
        }

        @media (min-width: 640px) {
            .cta-buttons { flex-direction: row; }
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 1.75rem;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
        }

        .btn-gold:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.8rem 1.75rem;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: transparent;
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            box-shadow: var(--shadow-gold);
        }

        /* FAQ */
        .faq-section {
            padding: 3rem 0 2rem;
        }

        .faq-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            max-width: 820px;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: color var(--transition-fast);
            text-align: left;
            width: 100%;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-gold);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }

        /* Not found */
        .not-found-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-soft);
        }

        .not-found-box i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }

        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 640px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (min-width: 1024px) {
            .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
        }

        .footer-brand .nav-logo {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            padding: 0.3rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: center;
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-subtle);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .footer-badge span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            padding: 0.35rem 0.85rem;
            border-radius: 999px;
            border: 1px solid var(--border-subtle);
        }

        /* FAB */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fab-breathe 4s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-royal .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--bg-dark);
            animation: fab-blink 2s ease-in-out infinite;
        }

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

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.6);
            animation-play-state: paused;
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        /* Misc */
        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            border-radius: 2px;
            margin-bottom: 1rem;
        }

        /* Focus states */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE680;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A3E0D0;
            --border-gold: rgba(255, 215, 0, 0.5);
            --border-subtle: rgba(209, 242, 235, 0.15);
            --radius-card: 16px;
            --radius-btn: 12px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.4);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        /* Container */
        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 640px) {
            .container-main {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-main {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-dark);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-links a {
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-login {
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-signup {
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            padding: 1rem 0;
            border-top: 1px solid var(--border-subtle);
            background: rgba(6, 35, 21, 0.98);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        /* Hero */
        .hero-category {
            padding-top: 9rem;
            padding-bottom: 4rem;
            position: relative;
            background-image: linear-gradient(180deg, rgba(6, 35, 21, 0.85) 0%, rgba(10, 46, 28, 0.95) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at top right, rgba(255, 215, 0, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-category-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }

        @media (min-width: 768px) {
            .hero-category-inner {
                grid-template-columns: 1fr 1fr;
                align-items: center;
                gap: 3rem;
            }
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 1.25rem;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-category h1 {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
        }

        @media (min-width: 768px) {
            .hero-category h1 {
                font-size: 2.5rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-category h1 {
                font-size: 2.75rem;
            }
        }

        .hero-category h1 .highlight {
            color: var(--accent-gold);
        }

        .hero-category p.hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 540px;
        }

        .hero-countdown-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .hero-countdown-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .hero-countdown-card h3 i {
            color: var(--accent-red);
            animation: pulse-red 1.5s ease-in-out infinite;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.75rem;
            margin-bottom: 1.25rem;
        }

        .countdown-item {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 0.75rem 0.5rem;
            text-align: center;
        }

        .countdown-item .number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.1;
        }

        .countdown-item .label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .subscribe-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: all var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
            background: rgba(255, 255, 255, 0.15);
        }

        .subscribe-form button {
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        /* Sections */
        .section {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }

        .section-header {
            margin-bottom: 2.5rem;
            max-width: 640px;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2rem;
            }
        }

        .section-header h2 .highlight {
            color: var(--accent-gold);
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* Value Proposition */
        .value-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 640px) {
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .value-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .value-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

        .value-card:hover::before {
            opacity: 1;
        }

        .value-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .value-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

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

        /* Data badges */
        .data-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 2rem;
        }

        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .data-badge i {
            color: var(--accent-gold);
            font-size: 0.75rem;
        }

        /* Feature Group */
        .feature-block {
            background: var(--bg-dark);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 2rem;
            margin-bottom: 1.5rem;
            transition: all var(--transition-base);
        }

        @media (min-width: 768px) {
            .feature-block {
                padding: 2.5rem;
            }
        }

        .feature-block:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-soft);
        }

        .feature-block-header {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.25rem;
        }

        .feature-block-header .feature-num {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B39500 100%);
            color: var(--bg-dark);
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-block-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 0.25rem;
        }

        .feature-block p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .feature-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .feature-block ul li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .feature-block ul li i {
            color: var(--accent-gold);
            margin-top: 0.25rem;
            font-size: 0.75rem;
        }

        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .scenario-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 260px;
            border: 1px solid var(--border-subtle);
        }

        .scenario-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .scenario-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem;
            background: linear-gradient(180deg, transparent 0%, rgba(6, 35, 21, 0.95) 100%);
        }

        .scenario-card-overlay h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .scenario-card-overlay p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Success Stories */
        .success-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            transition: all var(--transition-base);
        }

        .success-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-soft);
        }

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

        .success-card-quote i {
            color: var(--accent-gold);
            margin-right: 0.5rem;
        }

        .success-card-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .success-card-author .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .success-card-author .info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .success-card-author .info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .pricing-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            transition: all var(--transition-base);
            position: relative;
        }

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

        .pricing-card.featured {
            border-color: var(--border-gold);
            background: linear-gradient(180deg, rgba(255, 215, 0, 0.06) 0%, var(--bg-secondary) 100%);
        }

        .pricing-card .pricing-tag {
            position: absolute;
            top: -10px;
            right: 1.5rem;
            padding: 0.25rem 1rem;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .pricing-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .pricing-card .pricing-value {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }

        .pricing-card .pricing-value span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .pricing-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .pricing-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .pricing-card ul li i {
            color: var(--accent-gold);
            margin-top: 0.25rem;
            font-size: 0.7rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            user-select: none;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 215, 0, 0.04);
        }

        .faq-question h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
        }

        .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
            background: rgba(255, 215, 0, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem 1.5rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.03) 100%);
            border: 1px solid var(--border-gold);
            border-radius: 24px;
            padding: 2.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        @media (min-width: 768px) {
            .cta-card {
                padding: 3.5rem 3rem;
            }
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
            position: relative;
        }

        @media (min-width: 768px) {
            .cta-card h2 {
                font-size: 2rem;
            }
        }

        .cta-card h2 .highlight {
            color: var(--accent-gold);
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.75rem;
            position: relative;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-card .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--accent-gold) 0%, #E6BE00 100%);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.35);
            position: relative;
        }

        .cta-card .btn-cta:hover {
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.55);
            transform: translateY(-3px);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.25rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
            cursor: pointer;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab-support .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid var(--bg-dark);
            animation: blink-red 1.5s ease-in-out infinite;
        }

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

        @keyframes blink-red {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        @keyframes pulse-red {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem 0;
        }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        .footer-brand .nav-logo {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            padding-left: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            align-items: center;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
        }

        .footer-badge span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 0.9rem;
            border-radius: 999px;
            background: rgba(255, 215, 0, 0.06);
            border: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-badge span i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* Responsive */
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
            .menu-toggle {
                display: none;
            }
            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
        }