/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6AF;
            --text-muted: #7A7A85;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --container-max: 1280px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: var(--container-max);
            margin: 0 auto;
            height: 64px;
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-base);
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            position: relative;
            transition: color var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 10px 24px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Hero Section - Icon Matrix + Status Bar */
        .hero {
            padding: calc(64px + var(--spacing-2xl)) 0 var(--spacing-2xl);
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 60%, rgba(212, 172, 13, 0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            text-align: left;
        }

        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            margin-bottom: var(--spacing-md);
        }

        .hero-badge {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .hero-status {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: #4CAF50;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
        }

        .hero-icon-item:hover {
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        .hero-icon-item i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .hero-icon-item span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.5px;
        }

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

        .hero-description {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: var(--spacing-lg);
            max-width: 650px;
        }

        .hero-cta-group {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 14px 32px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(197, 160, 89, 0.3);
            filter: brightness(1.08);
            color: #121212;
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent-gold);
            padding: 14px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-secondary:hover {
            background: rgba(197, 160, 89, 0.1);
            transform: translateY(-2px);
            color: var(--accent-gold);
        }

        /* Section Common */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }

        .section-description {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
        }

        /* Collection Directory */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .collection-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            text-decoration: none;
            display: block;
        }

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

        .collection-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .collection-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-gold);
            color: #121212;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .collection-card-body {
            padding: var(--spacing-md);
        }

        .collection-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

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

        /* Related Recommendations */
        .related-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .related-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-decoration: none;
        }

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

        .related-item-thumb {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .related-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-item-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .related-item-content p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .related-item-badge {
            margin-left: auto;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* News Section */
        .news-section {
            padding: var(--spacing-2xl) 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .news-main-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-decoration: none;
        }

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

        .news-main-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
            margin-right: var(--spacing-sm);
        }

        .news-main-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .news-highlight-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }

        .news-highlight-panel h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .news-highlight-item {
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .news-highlight-item a {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1.4;
            transition: color var(--transition-base);
            text-decoration: none;
        }

        .news-highlight-item a:hover {
            color: var(--accent-gold);
        }

        .news-highlight-item .highlight-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* KPI Widgets */
        .kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .kpi-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: left;
            transition: all var(--transition-base);
        }

        .kpi-card:hover {
            border-color: var(--accent-gold);
        }

        .kpi-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .kpi-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .kpi-status {
            font-size: 0.8rem;
            color: #4CAF50;
            margin-top: 4px;
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .topic-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition-smooth);
        }

        .topic-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .topic-card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .topic-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .topic-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        .topic-card .btn-outline-sm {
            display: inline-block;
            margin-top: var(--spacing-sm);
            padding: 6px 18px;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .topic-card .btn-outline-sm:hover {
            background: rgba(197, 160, 89, 0.15);
            color: var(--accent-gold);
        }

        /* Progress Section */
        .progress-section {
            padding: var(--spacing-2xl) 0;
        }

        .progress-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .progress-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
        }

        .progress-step {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-tertiary);
            border: 2px solid var(--border-color);
            color: var(--text-muted);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }

        .progress-item.completed .progress-step {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #121212;
        }

        .progress-bar-container {
            flex: 1;
            height: 6px;
            background: var(--bg-tertiary);
            border-radius: 3px;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            border-radius: 3px;
            transition: width 0.5s ease;
        }

        .progress-reward {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            white-space: nowrap;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-2xl) 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md);
            background: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-base);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

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

        .faq-answer-inner {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(135deg, #1C1C1E 0%, #252528 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            margin: var(--spacing-2xl) auto;
            max-width: var(--container-max);
        }

        .cta-content {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-md);
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .cta-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 1px solid var(--border-color);
            background: var(--bg-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand h3 {
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-base);
            text-decoration: none;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--spacing-lg);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            margin-bottom: var(--spacing-md);
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #121212);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(197, 160, 89, 0.4);
        }

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

        .fab i {
            font-size: 1.4rem;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
        }

        .fab:hover i {
            transform: rotate(360deg);
        }

        .fab .notification-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            background: #D32F2F;
            border-radius: 50%;
            animation: blink-dot 1.5s infinite;
        }

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

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

        /* Share / Bookmark Section */
        .share-section {
            padding: var(--spacing-2xl) 0;
        }

        .share-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            padding: var(--spacing-lg);
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
        }

        .share-bar span {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-right: var(--spacing-sm);
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
        }

        .share-btn:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.08);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .collection-grid,
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .kpi-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(18, 18, 18, 0.98);
                flex-direction: column;
                padding: var(--spacing-lg);
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.open {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            .collection-grid,
            .topic-grid {
                grid-template-columns: 1fr;
            }

            .kpi-row {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-description {
                font-size: 0.9rem;
            }

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

            .hero-icon-matrix {
                gap: var(--spacing-sm);
            }

            .hero-icon-item {
                padding: 10px 14px;
                font-size: 0.8rem;
            }

            .nav-actions {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: calc(64px + var(--spacing-lg)) 0 var(--spacing-lg);
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .kpi-row {
                grid-template-columns: 1fr;
            }
            .share-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab {
                width: 44px;
                height: 44px;
                left: 12px;
                bottom: 72px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6AF;
            --text-muted: #7A7A85;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --container-max: 1280px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: var(--container-max);
            margin: 0 auto;
            height: 64px;
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-base);
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            position: relative;
            transition: color var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 10px 24px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Article Hero */
        .article-hero {
            padding: calc(64px + var(--spacing-2xl)) 0 var(--spacing-xl);
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .article-category-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
        }

        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

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

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

        .article-meta .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #121212;
            font-size: 0.8rem;
        }

        .article-featured-image {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: var(--spacing-lg) auto 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-gold);
        }

        .article-featured-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        /* Article Main Layout */
        .article-main {
            padding: var(--spacing-xl) 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .article-content {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-color);
        }

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

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: var(--spacing-md) 0 var(--spacing-sm);
            color: var(--accent-gold);
        }

        .article-content p {
            margin-bottom: var(--spacing-md);
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1.05rem;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: var(--spacing-md);
            padding-left: var(--spacing-lg);
            color: var(--text-secondary);
        }

        .article-content li {
            margin-bottom: var(--spacing-xs);
            line-height: 1.7;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            background: var(--bg-tertiary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
            width: 100%;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
        }

        .article-content th {
            background: var(--accent-gold);
            color: #121212;
            padding: 12px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .article-content td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .article-content tr:hover td {
            background: var(--bg-tertiary);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 80px;
        }

        .sidebar-widget {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
            margin-bottom: var(--spacing-md);
        }

        .sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--accent-gold);
        }

        .sidebar-post {
            display: flex;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
        }

        .sidebar-post:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .sidebar-post img {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .sidebar-post-info h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

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

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            padding: 6px 14px;
            background: var(--bg-tertiary);
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .sidebar-tag:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* CTA Section */
        .article-cta {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            text-align: center;
            margin-top: var(--spacing-xl);
        }

        .article-cta h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .article-cta p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
            color: #121212;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

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

        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

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

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding: var(--spacing-lg) 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: var(--spacing-lg);
            justify-content: center;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #C5A059, #FFBF00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #121212;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            animation: float 3s ease-in-out infinite;
            transition: all var(--transition-base);
        }

        .fab:hover {
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 6px 28px rgba(197, 160, 89, 0.5);
        }

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: blink 1.5s infinite;
        }

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

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

        /* Not Found */
        .not-found {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-md);
        }

        .not-found i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-lg);
        }

        .not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
        }

        .btn-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 12px 28px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .btn-home:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            color: #121212;
        }

        /* Mobile Navigation */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(18, 18, 18, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-lg);
                gap: var(--spacing-md);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.active {
                transform: translateY(0);
            }

            .nav-actions {
                gap: var(--spacing-xs);
            }

            .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

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

            .article-hero h1 {
                font-size: 2rem;
            }

            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-content {
                padding: var(--spacing-md);
            }

            .article-featured-image img {
                height: 250px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 1rem;
                bottom: 5rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.6rem;
            }

            .article-content h2 {
                font-size: 1.4rem;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6AF;
            --text-muted: #7A7A85;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --container-max: 1280px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: var(--container-max);
            margin: 0 auto;
            height: 64px;
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            position: relative;
            transition: color var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 10px 24px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Hero Section */
        .page-hero {
            padding: calc(64px + var(--spacing-xl)) 0 var(--spacing-lg);
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

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

        .badge {
            display: inline-block;
            background: var(--bg-tertiary);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-md);
            border: 1px solid var(--border-gold);
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin: 0 0 var(--spacing-md);
            color: var(--text-primary);
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }

        .hero-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            background: var(--bg-secondary);
        }

        .hero-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
            text-decoration: none;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.15);
            color: #121212;
        }

        /* Content Sections */
        .content-section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            text-align: left;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-sm);
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Criteria Grid */
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .criteria-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition-smooth);
        }

        .criteria-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .criteria-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-tertiary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-sm);
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .criteria-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 0 0 var(--spacing-xs);
            color: var(--text-primary);
        }

        .criteria-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Process Section */
        .process-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            border: 1px solid var(--border-color);
        }

        .process-header {
            margin-bottom: var(--spacing-lg);
            text-align: left;
        }

        .process-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-xs);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .process-step {
            text-align: left;
            position: relative;
            padding-left: var(--spacing-lg);
            border-left: 2px solid var(--border-color);
        }

        .process-step:first-child {
            border-left-color: var(--accent-gold);
        }

        .step-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 var(--spacing-xs);
            color: var(--text-primary);
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Comparison Table */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .comparison-table thead th {
            background: var(--bg-tertiary);
            padding: var(--spacing-md);
            text-align: left;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent-gold);
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table tbody td {
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

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

        .check-icon {
            color: #4CAF50;
        }

        .cross-icon {
            color: #F44336;
        }

        /* Image Showcase */
        .image-showcase {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }

        .showcase-item {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }

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

        .showcase-item img {
            width: 100%;
            height: auto;
        }

        /* FAQ Section */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
        }

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

        .faq-question {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

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

        .faq-answer {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1C1C1E 0%, #252528 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            text-align: center;
            margin: var(--spacing-xl) 0;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            margin: 0 0 var(--spacing-sm);
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.1rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 0 0 var(--spacing-sm);
        }

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

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 var(--spacing-sm);
        }

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

        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: var(--spacing-md);
        }

        .footer-badge {
            background: var(--bg-tertiary);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* Mobile responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .hero-image {
                order: -1;
                max-width: 600px;
                margin: 0 auto;
            }

            .criteria-grid {
                grid-template-columns: 1fr 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(18, 18, 18, 0.98);
                flex-direction: column;
                padding: var(--spacing-md);
                border-bottom: 1px solid var(--border-color);
                gap: var(--spacing-sm);
                z-index: 999;
            }

            .nav-links.active {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            .nav-actions {
                gap: var(--spacing-xs);
            }

            .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

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

            .page-hero {
                padding: calc(64px + var(--spacing-lg)) 0 var(--spacing-lg);
            }

            .hero-text h1 {
                font-size: 2rem;
            }

            .hero-text p {
                font-size: 0.95rem;
            }

            .criteria-grid {
                grid-template-columns: 1fr;
            }

            .image-showcase {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .process-section {
                padding: var(--spacing-lg);
            }

            .comparison-table {
                display: block;
                overflow-x: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }

            .btn-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .nav-logo {
                font-size: 0.9rem;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .criteria-card {
                padding: var(--spacing-md);
            }

            .criteria-card h3 {
                font-size: 1.1rem;
            }

            .faq-grid {
                gap: var(--spacing-sm);
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #D4AC0D;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6AF;
            --text-muted: #7A7A85;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --container-max: 1280px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: var(--container-max);
            margin: 0 auto;
            height: 64px;
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-base);
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            position: relative;
            transition: color var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 10px 24px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Category Page Hero - Tool-based layout */
        .category-hero {
            padding: calc(64px + var(--spacing-2xl)) 0 var(--spacing-xl);
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: var(--spacing-md);
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
        }

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

        .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-hero:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
            color: #121212;
        }

        .hero-demo {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            position: relative;
        }

        .hero-demo-img {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
        }

        .hero-demo-badge {
            display: inline-block;
            background: rgba(197, 160, 89, 0.2);
            color: var(--accent-amber);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .hero-demo h3 {
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .hero-demo p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Evaluation Flow Section */
        .eval-process {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
        }

        .process-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }

        .process-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition-smooth);
            position: relative;
        }

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

        .process-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #121212;
            font-size: 1.5rem;
            margin-bottom: var(--spacing-sm);
        }

        .process-card h3 {
            font-size: 1.25rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            font-weight: 700;
        }

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

        /* Detailed Comparison Grid */
        .comparison-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: var(--spacing-md);
        }

        .comparison-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }

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

        .comparison-card-header {
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .comparison-card-header h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .comparison-badge {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .comparison-card-body {
            padding: var(--spacing-md);
        }

        .comparison-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-xs) 0;
            border-bottom: 1px solid rgba(44, 44, 48, 0.5);
        }

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

        .comparison-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        .comparison-value {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .comparison-value.gold {
            color: var(--accent-amber);
        }

        .comparison-rating {
            display: flex;
            gap: 2px;
            color: var(--accent-amber);
        }

        /* Metrics Dashboard */
        .metrics-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }

        .metric-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: left;
            transition: all var(--transition-smooth);
        }

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

        .metric-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(197, 160, 89, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
            margin-bottom: var(--spacing-xs);
        }

        .metric-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Testimonial Section */
        .testimonial-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }

        .testimonial-stars {
            color: var(--accent-amber);
            margin-bottom: var(--spacing-sm);
        }

        .testimonial-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #121212;
            font-weight: 700;
        }

        .testimonial-name {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .testimonial-date {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            padding: var(--spacing-md);
            background: none;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 var(--spacing-md);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: var(--spacing-md);
        }

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

        .faq-question i {
            transition: transform var(--transition-base);
        }

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
            text-align: left;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.1), rgba(255, 191, 0, 0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 16px 36px;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-links h4 {
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: var(--spacing-sm);
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: var(--spacing-xs);
        }

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

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

        .footer-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            padding: var(--spacing-md) 0;
            border-top: 1px solid var(--border-color);
            margin-bottom: var(--spacing-md);
        }

        .footer-badge {
            background: var(--bg-tertiary);
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--border-color);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-color);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .cta-card {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .nav-links,
            .nav-actions {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .category-hero {
                padding: calc(64px + var(--spacing-xl)) 0 var(--spacing-lg);
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: var(--spacing-sm);
            }

            .process-cards,
            .comparison-grid,
            .metrics-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }

            .btn-hero,
            .btn-cta {
                width: 100%;
                justify-content: center;
            }

            .footer-badges {
                flex-direction: column;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #252528;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #D4AC0D;
            --accent-red: #D32F2F;
            --accent-green: #2E7D32;
            --text-primary: #F5F5F7;
            --text-secondary: #A6A6AF;
            --text-muted: #7A7A85;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.3);
            --shadow-gold: 0 4px 20px rgba(197, 160, 89, 0.15);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --container-max: 1280px;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s 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: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: var(--shadow-lg);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            max-width: var(--container-max);
            margin: 0 auto;
            height: 64px;
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-base);
            text-decoration: none;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--spacing-xs) 0;
            position: relative;
            transition: color var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 10px 24px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 4px;
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Hero Section */
        .page-hero {
            padding: calc(64px + var(--spacing-2xl)) 0 var(--spacing-xl);
            background: linear-gradient(180deg, #1C1C1E 0%, #121212 100%);
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }

        .page-hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .page-hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .page-hero-text h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero-text p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
        }

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

        .hero-stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-amber);
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: var(--spacing-xs);
        }

        .page-hero-image {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-color);
        }

        .page-hero-image img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
        }

        /* Warning Indicators Section */
        .warning-section {
            padding: var(--spacing-2xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
            max-width: 800px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

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

        .warning-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .warning-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .warning-card:hover {
            border-color: var(--accent-red);
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(211, 47, 47, 0.2);
        }

        .warning-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(211, 47, 47, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-md);
            font-size: 1.5rem;
            color: var(--accent-red);
        }

        .warning-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

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

        .warning-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            color: #EF5350;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Comparison Table */
        .comparison-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-top: var(--spacing-lg);
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .comparison-table th {
            background: var(--bg-primary);
            padding: var(--spacing-md);
            text-align: left;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            border-bottom: 2px solid var(--border-color);
        }

        .comparison-table td {
            padding: var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            line-height: 1.6;
        }

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

        .comparison-table .trust-col {
            color: var(--accent-green);
            font-weight: 600;
        }

        .comparison-table .scam-col {
            color: var(--accent-red);
            font-weight: 600;
        }

        /* Checklist Section */
        .checklist-section {
            padding: var(--spacing-2xl) 0;
        }

        .checklist {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .checklist-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            transition: all var(--transition-base);
        }

        .checklist-item:hover {
            border-color: var(--accent-green);
            background: var(--bg-tertiary);
        }

        .checklist-icon {
            width: 40px;
            height: 40px;
            background: rgba(46, 125, 50, 0.2);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--accent-green);
        }

        .checklist-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .checklist-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-2xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .faq-list {
            margin-top: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

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

        .faq-question {
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 var(--spacing-lg);
        }

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

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

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

        /* CTA Section */
        .cta-section {
            padding: var(--spacing-xl) 0;
            text-align: center;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            padding: 12px 32px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            letter-spacing: 0.3px;
            text-decoration: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
            filter: brightness(1.1);
            color: #121212;
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            padding: 12px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--accent-gold);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--spacing-xl) 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

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

        .footer-badges {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .footer-badge {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-tertiary);
            padding: 8px 16px;
            border-radius: 20px;
        }

        .footer-badge i {
            color: var(--accent-gold);
        }

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

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Left FAB */
        .left-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1C1C1E, #121212);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            animation: floatPulse 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-gold);
        }

        .left-fab:hover {
            opacity: 1;
            transform: scale(1.1);
        }

        .left-fab i {
            font-size: 1.3rem;
            color: var(--accent-amber);
            transition: transform var(--transition-smooth);
        }

        .left-fab:hover i {
            transform: rotate(360deg);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
            }

            .warning-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .checklist {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .page-hero-text h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(18, 18, 18, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-lg);
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.active {
                display: flex;
            }

            .warning-grid {
                grid-template-columns: 1fr;
            }

            .hero-stats {
                flex-direction: column;
                gap: var(--spacing-md);
            }

            .comparison-table {
                font-size: 0.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .page-hero-text h1 {
                font-size: 1.6rem;
            }
        }