/* roulang page: index */
:root {
            --bg: #121212;
            --bg-alt: #1C1C1E;
            --gold: #C5A059;
            --amber: #FFBF00;
            --text: #F5F5F7;
            --muted: #D4AC0D;
            --border: rgba(197, 160, 89, 0.25);
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
            --radius: 12px;
            --radius-sm: 8px;
            --gap: 20px;
            --transition: all 0.3s ease;
            --font: 'Segoe UI', 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input {
            font-family: inherit;
            font-size: 1rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:focus-visible {
            outline: 3px solid var(--amber);
            outline-offset: 3px;
        }
        .btn-gold {
            background: linear-gradient(145deg, var(--gold), var(--amber));
            color: #121212;
            border-color: rgba(255, 191, 0, 0.5);
            box-shadow: 0 4px 15px rgba(255, 191, 0, 0.3);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 191, 0, 0.45);
        }
        .btn-outline {
            background: transparent;
            color: var(--gold);
            border-color: var(--gold);
        }
        .btn-outline:hover {
            background: rgba(197, 160, 89, 0.15);
            transform: translateY(-2px);
        }
        .btn-block {
            width: 100%;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border: 1px solid var(--border);
            border-radius: 999px;
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(197, 160, 89, 0.08);
        }
        .section-head {
            max-width: 750px;
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: 2rem;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #fff;
        }
        .section-desc {
            color: rgba(245, 245, 247, 0.8);
            font-size: 1.05rem;
        }
        
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(18, 18, 18, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            font-weight: 800;
            font-size: 1.4rem;
            letter-spacing: -0.5px;
            color: var(--amber);
            white-space: nowrap;
        }
        .brand:hover {
            text-shadow: 0 0 20px rgba(255, 191, 0, 0.5);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            position: relative;
            padding: 6px 0;
            font-weight: 500;
            color: rgba(245, 245, 247, 0.85);
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--amber);
            transition: width 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            color: var(--text);
            border: none;
            font-weight: 600;
        }
        .btn-login:hover {
            color: var(--amber);
        }
        .btn-signup {
            background: var(--amber);
            color: #121212;
            border: none;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 700;
        }
        .btn-signup:hover {
            background: #ffd34d;
            transform: translateY(-1px);
        }
        .nav-toggle {
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            display: none;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 1.2rem;
            cursor: pointer;
        }
        
        /* Hero */
        .hero {
            background-image: linear-gradient(rgba(0,0,0,0.78), rgba(18,18,18,0.92)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 20% 20%, rgba(197,160,89,0.12), transparent 45%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-tag {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(197,160,89,0.15);
            border: 1px solid var(--gold);
            border-radius: 999px;
            color: var(--amber);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .hero-copy h1 {
            font-size: 2.7rem;
            line-height: 1.2;
            margin-bottom: 22px;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(245,245,247,0.85);
            margin-bottom: 30px;
            max-width: 600px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 32px;
        }
        .stat strong {
            display: block;
            font-size: 1.6rem;
            color: var(--amber);
            font-weight: 800;
        }
        .stat span {
            color: rgba(245,245,247,0.75);
            font-size: 0.9rem;
        }
        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-paper {
            background: rgba(28,28,30,0.6);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .paper-cover {
            position: relative;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 20px;
        }
        .paper-cover img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .paper-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--amber);
            color: #121212;
            padding: 6px 14px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .lead-form h2 {
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: #fff;
        }
        .form-note {
            color: rgba(245,245,247,0.75);
            font-size: 0.9rem;
            margin-bottom: 18px;
        }
        .download-form .form-group {
            margin-bottom: 14px;
        }
        .download-form input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: rgba(255,255,255,0.05);
            color: var(--text);
            outline: none;
            transition: var(--transition);
        }
        .download-form input:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(255,191,0,0.2);
        }
        .privacy-note {
            font-size: 0.8rem;
            color: rgba(245,245,247,0.6);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        /* News */
        .news {
            padding: 70px 0;
            background: var(--bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.5fr 0.7fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 18px;
        }
        .news-item a {
            display: block;
        }
        .news-item h3 {
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 6px;
            transition: color 0.3s;
        }
        .news-item:hover h3 {
            color: var(--amber);
        }
        .news-item p {
            color: rgba(245,245,247,0.7);
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--muted);
        }
        .empty-msg {
            color: rgba(245,245,247,0.6);
            font-size: 1rem;
            padding: 20px 0;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .side-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .side-card img {
            height: 140px;
            width: 100%;
            object-fit: cover;
        }
        .side-card h3 {
            padding: 12px 16px 4px;
            font-size: 1rem;
            color: #fff;
        }
        .side-card p {
            padding: 0 16px 12px;
            color: rgba(245,245,247,0.75);
            font-size: 0.9rem;
        }
        .text-link {
            display: inline-block;
            padding: 0 16px 16px;
            color: var(--amber);
            font-weight: 600;
            font-size: 0.85rem;
        }
        .text-link i {
            margin-left: 4px;
            transition: transform 0.3s;
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        
        /* Services */
        .services {
            padding: 70px 0;
            background: var(--bg-alt);
        }
        .service-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .service-row {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            padding: 24px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .service-row:hover {
            border-color: var(--gold);
            background: rgba(197,160,89,0.04);
        }
        .service-row.reverse {
            flex-direction: row-reverse;
            text-align: right;
        }
        .service-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(197,160,89,0.15);
            border: 1px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--amber);
        }
        .service-content h3 {
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .service-content p {
            color: rgba(245,245,247,0.8);
            font-size: 0.95rem;
        }
        
        /* Progress */
        .progress {
            padding: 70px 0;
            background: var(--bg);
        }
        .progress-steps {
            margin-bottom: 24px;
        }
        .step {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            position: relative;
            padding-left: 50px;
        }
        .step:last-child {
            border-bottom: none;
        }
        .step-number {
            position: absolute;
            left: 0;
            top: 14px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--amber);
            color: #121212;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-info h3 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .step-info p {
            color: rgba(245,245,247,0.75);
            font-size: 0.9rem;
        }
        .step-status {
            margin-left: auto;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(255,191,0,0.2);
            color: var(--amber);
            white-space: nowrap;
        }
        .progress-bar {
            height: 8px;
            background: rgba(255,255,255,0.1);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 10px;
        }
        .progress-bar span {
            display: block;
            height: 100%;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            border-radius: 999px;
            transition: width 1s ease;
        }
        
        /* Safety */
        .safety {
            padding: 70px 0;
            background: var(--bg-alt);
        }
        .safety-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .safety-copy h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .safety-copy p {
            color: rgba(245,245,247,0.8);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .safety-items {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .safety-item {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius);
            padding: 22px;
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .safety-item:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
        }
        .safety-item i {
            font-size: 1.8rem;
            color: var(--amber);
            margin-bottom: 12px;
        }
        .safety-item h3 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .safety-item p {
            color: rgba(245,245,247,0.7);
            font-size: 0.9rem;
        }
        
        /* App */
        .app {
            padding: 70px 0;
            background: var(--bg);
        }
        .app-grid {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 42px;
            align-items: center;
        }
        .app-copy h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .app-copy p {
            color: rgba(245,245,247,0.8);
            margin-bottom: 20px;
        }
        .app-features {
            list-style: none;
            margin-bottom: 28px;
        }
        .app-features li {
            padding: 8px 0;
            color: rgba(245,245,247,0.9);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .app-features i {
            color: var(--amber);
        }
        .app-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .app-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .app-visual img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .app-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: #fff;
            font-weight: 700;
            text-align: center;
        }
        
        /* FAQ */
        .faq {
            padding: 70px 0;
            background: var(--bg-alt);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-item summary {
            cursor: pointer;
            padding: 18px 22px;
            font-weight: 600;
            color: #fff;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--amber);
            transition: transform 0.3s;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            color: rgba(245,245,247,0.8);
            font-size: 0.95rem;
        }
        
        /* About */
        .about {
            padding: 70px 0;
            background: var(--bg);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 0.9fr 1fr;
            gap: 42px;
            align-items: center;
        }
        .about-image img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .about-copy h2 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .about-copy p {
            color: rgba(245,245,247,0.8);
            margin-bottom: 16px;
        }
        .about-stats {
            display: flex;
            gap: 30px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .about-stats strong {
            display: block;
            font-size: 1.5rem;
            color: var(--amber);
        }
        .about-stats span {
            color: rgba(245,245,247,0.7);
            font-size: 0.9rem;
        }
        
        /* Footer */
        .site-footer {
            background: #0c0c0c;
            border-top: 1px solid var(--border);
            padding-top: 50px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand {
            font-size: 1.5rem;
            display: block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: rgba(245,245,247,0.65);
            font-size: 0.9rem;
            max-width: 320px;
        }
        .footer-links h3,
        .footer-contact h3 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links a {
            display: block;
            color: rgba(245,245,247,0.7);
            padding: 6px 0;
        }
        .footer-links a:hover {
            color: var(--amber);
        }
        .footer-contact p {
            color: rgba(245,245,247,0.7);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--amber);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 16px 0;
        }
        .footer-bottom-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .footer-bottom p {
            color: rgba(245,245,247,0.5);
            font-size: 0.85rem;
        }
        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .badge {
            padding: 6px 14px;
            background: rgba(197,160,89,0.1);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.8rem;
            color: var(--muted);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 24px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(28,28,30,0.8);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(28,28,30,0.8), rgba(28,28,30,0.8)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            color: #00F0FF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0,240,255,0.4);
            opacity: 0.75;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 25px rgba(0,240,255,0.7);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab-noti {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF4D4D;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,77,77,0.7); }
            70% { box-shadow: 0 0 0 8px rgba(255,77,77,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,77,77,0); }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid,
            .app-grid,
            .about-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .service-row,
            .service-row.reverse {
                flex-direction: column;
                text-align: left;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #1C1C1E;
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-login {
                padding: 8px 4px;
                font-size: 0.9rem;
            }
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.9rem;
            }
            .hero {
                padding: 50px 0 50px;
            }
            .hero-copy h1 {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .service-row {
                padding: 18px;
            }
            .service-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
            .step {
                padding-left: 46px;
            }
            .step-number {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                top: 16px;
            }
            .safety-items {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .fab {
                left: 12px;
                bottom: 12px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 64px;
            }
            .brand {
                font-size: 1.2rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .hero-copy h1 {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .hero-paper {
                padding: 18px;
            }
            .lead-form h2 {
                font-size: 1.2rem;
            }
            .service-row {
                gap: 16px;
            }
            .about-stats {
                gap: 20px;
            }
            .fab {
                left: 10px;
                bottom: 10px;
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #072216;
            --bg-card: rgba(18, 62, 37, 0.85);
            --bg-card-solid: #123E25;
            --accent-gold: #FFD700;
            --accent-gold-soft: #FFC107;
            --accent-red: #D32F2F;
            --accent-red-bright: #F44336;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C9BF;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-gold-strong: rgba(255, 215, 0, 0.7);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --container-max: 1200px;
            --container-narrow: 720px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 56px;
            --space-2xl: 72px;
            --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-display: 'Playfair Display', 'Be Vietnam Pro', Georgia, serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --transition-fast: all 0.15s ease;
        }

        /* Reset & Base */
        *, *::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: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-mint);
            background: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 50% -20%, rgba(255, 215, 0, 0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 85% 20%, rgba(18, 62, 37, 0.5) 0%, transparent 50%),
                        radial-gradient(ellipse at 15% 70%, rgba(18, 62, 37, 0.4) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button {
            font-family: var(--font-sans);
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-white);
            line-height: 1.3;
            font-weight: 700;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--space-md);
            position: relative;
            z-index: 1;
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 34, 22, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: var(--space-sm);
            padding-bottom: var(--space-sm);
            gap: var(--space-sm);
            flex-wrap: nowrap;
        }

        .brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
        }

        .brand:hover {
            color: var(--accent-gold-soft);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FFE066, #D4A017);
            border: 2px solid #FFF3C4;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(255, 215, 0, 0.5);
        }

        .brand-icon i {
            font-size: 0.85rem;
            color: #5D4000;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .main-nav a {
            color: var(--text-mint);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 50px;
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.1);
        }

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

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 4px;
            box-shadow: 0 0 8px rgba(255, 215, 0, 0.7);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-bounce);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            outline: none;
            line-height: 1.2;
            -webkit-tap-highlight-color: transparent;
        }

        .btn:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.3);
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-1px);
        }

        .btn-login:active {
            transform: translateY(0);
        }

        .btn-signup {
            background: linear-gradient(135deg, #FFE566 0%, #FFC107 50%, #E6A800 100%);
            color: #2A1E00;
            border-color: transparent;
            padding: 10px 20px;
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(135deg, #FFF2A0 0%, #FFC830 50%, #F5B800 100%);
            color: #2A1E00;
        }

        .btn-signup:active {
            transform: translateY(0) scale(0.98);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* Article Hero */
        .article-hero {
            padding: var(--space-xl) 0 var(--space-lg) 0;
            position: relative;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .article-hero-inner {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            position: relative;
        }

        .article-hero-text {
            flex: 1 1 55%;
            min-width: 0;
            padding-right: var(--space-sm);
        }

        .article-hero-image {
            flex: 1 1 45%;
            min-width: 0;
            position: relative;
            transform: rotate(1.5deg);
            transition: var(--transition-bounce);
        }

        .article-hero-image:hover {
            transform: rotate(0deg) scale(1.01);
        }

        .article-hero-image img {
            border-radius: var(--radius-xl);
            border: 2px solid var(--border-gold-strong);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 5/3.5;
        }

        .article-hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: var(--space-sm);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--accent-gold);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--accent-gold-soft);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--text-mint);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-hero-text h1 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
            color: var(--text-white);
            line-height: 1.25;
        }

        .article-hero-excerpt {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: var(--space-md);
            line-height: 1.65;
            max-width: 600px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-wrap: wrap;
            padding-top: var(--space-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .article-meta-item i {
            color: var(--accent-gold);
            font-size: 0.75rem;
        }

        .article-meta-tag {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        /* Article Body */
        .article-main-wrapper {
            padding: var(--space-lg) 0 var(--space-xl) 0;
        }

        .article-layout {
            display: flex;
            gap: var(--space-xl);
            align-items: flex-start;
        }

        .article-content {
            flex: 1 1 auto;
            max-width: var(--container-narrow);
            min-width: 0;
        }

        .article-body {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
        }

        .article-body h2 {
            font-size: 1.6rem;
            margin-top: var(--space-xl);
            margin-bottom: var(--space-sm);
            color: var(--text-white);
            font-weight: 700;
        }

        .article-body h3 {
            font-size: 1.25rem;
            margin-top: var(--space-lg);
            margin-bottom: var(--space-sm);
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-body p {
            margin-bottom: var(--space-sm);
        }

        .article-body ul,
        .article-body ol {
            margin: var(--space-sm) 0 var(--space-sm) var(--space-md);
            padding-left: 0;
            list-style-position: outside;
        }

        .article-body li {
            margin-bottom: var(--space-xs);
            padding-left: 4px;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: var(--space-md) 0;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent-gold);
            padding: var(--space-sm) var(--space-md);
            margin: var(--space-md) 0;
            background: rgba(255, 215, 0, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-mint);
        }

        .article-not-found {
            text-align: center;
            padding: var(--space-2xl) var(--space-md);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
        }

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

        .article-not-found p {
            color: var(--text-mint);
            font-size: 1.1rem;
            margin-bottom: var(--space-md);
        }

        .article-not-found .btn {
            display: inline-flex;
        }

        .article-not-found .btn-primary {
            background: linear-gradient(135deg, #FFE566 0%, #FFC107 100%);
            color: #2A1E00;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        /* Article Sidebar */
        .article-sidebar {
            flex: 0 0 300px;
            min-width: 0;
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

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

        .sidebar-card .quick-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .sidebar-card .quick-list li {
            margin: 0;
            padding: 0;
        }

        .sidebar-card .quick-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-mint);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .sidebar-card .quick-list a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            transform: translateX(4px);
        }

        .sidebar-card .quick-list a i {
            color: var(--accent-gold);
            font-size: 0.7rem;
            flex-shrink: 0;
        }

        .sidebar-download {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(18, 62, 37, 0.9) 100%);
            border: 1px dashed var(--border-gold-strong);
            text-align: center;
            padding: var(--space-md);
        }

        .sidebar-download .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFE566, #D4A017);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm) auto;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
            font-size: 1.3rem;
            color: #5D4000;
        }

        .sidebar-download h4 {
            font-size: 0.95rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 6px;
        }

        .sidebar-download p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: var(--space-sm);
        }

        .sidebar-download .btn {
            width: 100%;
            font-size: 0.8rem;
            padding: 8px 14px;
        }

        /* Stats Section */
        .stats-section {
            padding: var(--space-xl) 0;
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            position: relative;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.04) 0%, transparent 60%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            padding: var(--space-md);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            font-family: var(--font-display);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            text-shadow: 0 0 12px rgba(255, 215, 0, 0.3);
        }

        .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Key Takeaways */
        .takeaways-section {
            padding: var(--space-xl) 0;
        }

        .section-heading {
            margin-bottom: var(--space-lg);
        }

        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: var(--space-xs);
        }

        .section-heading p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
        }

        .takeaway-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-md);
            list-style: none;
            padding: 0;
        }

        .takeaway-item {
            display: flex;
            gap: var(--space-sm);
            padding: var(--space-md);
            background: rgba(18, 62, 37, 0.6);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .takeaway-item:hover {
            border-color: var(--border-gold-strong);
            background: rgba(18, 62, 37, 0.85);
        }

        .takeaway-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1rem;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .takeaway-item h3 {
            font-size: 0.95rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: 4px;
        }

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

        /* CTA Section */
        .cta-section {
            padding: var(--space-2xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.07) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-deep) 60%);
            border-radius: var(--radius-xl);
            border: 2px solid var(--border-gold-strong);
            padding: var(--space-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--space-sm);
            letter-spacing: -0.02em;
        }

        .cta-box p {
            color: var(--text-mint);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto var(--space-md) auto;
            line-height: 1.6;
        }

        .cta-actions {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FFE566 0%, #FFC107 50%, #E6A800 100%);
            color: #2A1E00;
            font-weight: 700;
            padding: 12px 28px;
            font-size: 0.95rem;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 215, 0, 0.55);
            background: linear-gradient(135deg, #FFF2A0 0%, #FFC830 50%, #F5B800 100%);
            color: #2A1E00;
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.4);
            padding: 12px 28px;
            font-size: 0.95rem;
        }

        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            transform: translateY(-3px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            position: relative;
            z-index: 1;
        }

        .footer-top {
            display: flex;
            gap: var(--space-xl);
            flex-wrap: wrap;
            padding: var(--space-xl) var(--space-md) var(--space-lg) var(--space-md);
        }

        .footer-brand {
            flex: 1 1 320px;
            min-width: 280px;
        }

        .footer-brand .brand {
            font-size: 1.3rem;
            margin-bottom: var(--space-sm);
            display: inline-flex;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
            max-width: 360px;
        }

        .footer-links {
            flex: 1 1 180px;
            min-width: 140px;
        }

        .footer-links h3 {
            font-size: 0.95rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .footer-links a {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 10px;
            transition: var(--transition);
        }

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

        .footer-contact {
            flex: 1 1 200px;
            min-width: 180px;
        }

        .footer-contact h3 {
            font-size: 0.95rem;
            color: var(--text-white);
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .footer-contact p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--accent-gold);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: var(--space-sm) 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .footer-bottom-inner p {
            color: var(--text-muted);
            font-size: 0.78rem;
        }

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

        .footer-badges .badge {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-size: 0.7rem;
            padding: 4px 10px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            font-weight: 600;
            white-space: nowrap;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A1A1A, #0A0A0A);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition-bounce);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            -webkit-tap-highlight-color: transparent;
        }

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

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

        .fab-left i {
            font-size: 1.3rem;
            color: var(--accent-gold);
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
            transition: var(--transition);
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #E53935;
            border: 2px solid #0A0A0A;
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.5);
            animation: fab-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 32px rgba(255, 215, 0, 0.55); }
        }

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero-text h1 {
                font-size: 2rem;
            }
            .article-hero-inner {
                gap: var(--space-lg);
            }
            .article-sidebar {
                flex: 0 0 260px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .takeaway-list {
                grid-template-columns: 1fr;
            }
            .article-layout {
                gap: var(--space-lg);
            }
        }

        @media (max-width: 900px) {
            .article-hero-inner {
                flex-direction: column;
                gap: var(--space-md);
                align-items: stretch;
            }
            .article-hero-text {
                padding-right: 0;
                flex: 1 1 auto;
            }
            .article-hero-image {
                flex: 1 1 auto;
                transform: rotate(0deg);
                max-width: 480px;
            }
            .article-hero-image:hover {
                transform: rotate(0deg) scale(1.01);
            }
            .article-hero-text h1 {
                font-size: 1.8rem;
            }
            .article-layout {
                flex-direction: column;
            }
            .article-sidebar {
                flex: 1 1 auto;
                position: static;
                width: 100%;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar-download {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .brand {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding-top: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .main-nav a {
                font-size: 0.78rem;
                padding: 6px 10px;
            }
            .header-actions {
                margin-left: auto;
            }
            .btn-login {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
            .article-hero-text h1 {
                font-size: 1.5rem;
            }
            .article-hero-excerpt {
                font-size: 0.9rem;
            }
            .section-heading h2 {
                font-size: 1.45rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.72rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .sidebar-download {
                grid-column: span 1;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.9rem;
            }
            .footer-top {
                gap: var(--space-md);
                padding-top: var(--space-lg);
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 72px;
            }
            .fab-left i {
                font-size: 1.1rem;
            }
            .fab-notification {
                width: 12px;
                height: 12px;
                top: -3px;
                right: -3px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--space-sm);
            }
            .header-inner {
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .brand {
                font-size: 0.9rem;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
            }
            .brand-icon i {
                font-size: 0.7rem;
            }
            .btn-login {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.7rem;
            }
            .main-nav a {
                font-size: 0.7rem;
                padding: 5px 8px;
            }
            .article-hero {
                padding-top: var(--space-md);
                padding-bottom: var(--space-md);
            }
            .article-hero-text h1 {
                font-size: 1.25rem;
                line-height: 1.35;
            }
            .article-hero-excerpt {
                font-size: 0.82rem;
            }
            .article-hero-image img {
                aspect-ratio: 4/3;
            }
            .article-meta {
                gap: 8px;
            }
            .article-meta-item {
                font-size: 0.72rem;
            }
            .article-meta-tag {
                font-size: 0.68rem;
                padding: 3px 8px;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: var(--space-sm);
            }
            .stat-number {
                font-size: 1.2rem;
            }
            .stat-label {
                font-size: 0.65rem;
            }
            .takeaway-item {
                padding: var(--space-sm);
                flex-direction: column;
                gap: 6px;
            }
            .takeaway-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
                border-radius: 8px;
            }
            .takeaway-item h3 {
                font-size: 0.85rem;
            }
            .takeaway-item p {
                font-size: 0.75rem;
            }
            .cta-box {
                padding: var(--space-lg) var(--space-sm);
            }
            .cta-box h2 {
                font-size: 1.25rem;
            }
            .cta-box p {
                font-size: 0.8rem;
            }
            .btn-primary, .btn-outline-light {
                padding: 10px 16px;
                font-size: 0.8rem;
                width: 100%;
            }
            .cta-actions {
                flex-direction: column;
            }
            .footer-brand .brand {
                font-size: 1.05rem;
            }
            .footer-brand p {
                font-size: 0.75rem;
            }
            .footer-links h3, .footer-contact h3 {
                font-size: 0.85rem;
            }
            .footer-links a, .footer-contact p {
                font-size: 0.75rem;
            }
            .footer-bottom-inner p {
                font-size: 0.68rem;
            }
            .footer-badges .badge {
                font-size: 0.62rem;
                padding: 3px 8px;
            }
            .fab-left {
                width: 44px;
                height: 44px;
                left: 8px;
                bottom: 60px;
            }
            .fab-left i {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
    --bg-primary: #0A2E1C;
    --bg-deep: #062315;
    --bg-card: #123E25;
    --bg-card-hover: #16492D;
    --accent-gold: #FFD700;
    --accent-gold-soft: #F0C94F;
    --accent-red: #D32F2F;
    --accent-red-dark: #B71C1C;
    --text-white: #FFFFFF;
    --text-mint: #D1F2EB;
    --text-muted: #8FBCA8;
    --border-gold: rgba(255, 215, 0, 0.35);
    --border-light: rgba(255, 255, 255, 0.12);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.5);
    --font-sans: 'Segoe UI', 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 56px;
    --spacing-xl: 80px;
    --spacing-xxl: 110px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--accent-gold-soft);
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 3px;
    border-radius: 4px;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-mint);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ========== HEADER ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 46, 28, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    padding: 14px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: nowrap;
}

.brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-gold);
    letter-spacing: -0.01em;
    white-space: nowrap;
    text-shadow: 0 0 18px rgba(255, 215, 0, 0.35);
}

.brand:hover {
    color: var(--accent-gold-soft);
    text-shadow: 0 0 24px rgba(255, 215, 0, 0.6);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    justify-content: center;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-mint);
    padding: 10px 16px;
    border-radius: 8px;
    white-space: nowrap;
    border: 1px solid transparent;
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--accent-gold);
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    background: transparent;
}

.nav-toggle:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--border-gold);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 26px;
    border-radius: 50px;
    white-space: nowrap;
    letter-spacing: 0.01em;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-login {
    color: var(--accent-gold);
    border-color: var(--border-gold);
    background: transparent;
    padding: 10px 22px;
}

.btn-login:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: var(--accent-gold);
    color: var(--accent-gold-soft);
}

.btn-signup {
    background: var(--accent-gold);
    color: #0A2E1C;
    padding: 10px 26px;
    box-shadow: var(--shadow-gold);
    font-weight: 700;
}

.btn-signup:hover {
    background: #FFE14D;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
    color: #0A2E1C;
}

.btn-primary {
    background: var(--accent-gold);
    color: #0A2E1C;
    font-weight: 700;
    padding: 16px 36px;
    font-size: 1rem;
    box-shadow: var(--shadow-gold);
    border-color: var(--accent-gold);
}

.btn-primary:hover {
    background: #FFE14D;
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(255, 215, 0, 0.55);
    color: #0A2E1C;
}

.btn-outline-gold {
    background: transparent;
    border-color: var(--border-gold);
    color: var(--accent-gold);
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 600;
}

.btn-outline-gold:hover {
    background: rgba(255, 215, 0, 0.12);
    border-color: var(--accent-gold);
    color: var(--accent-gold-soft);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-mint);
    padding: 12px 24px;
}

.btn-outline-light:hover {
    border-color: var(--text-white);
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.06);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.8rem;
    border-radius: 40px;
}

/* ========== HERO ========== */
.hero-section {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-image: linear-gradient(rgba(6, 35, 21, 0.75), rgba(10, 46, 28, 0.92)), url('/assets/images/backpic/back-1.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-xl) 0;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(255, 215, 0, 0.07) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 80%, rgba(211, 47, 47, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 215, 0, 0.12);
    border: 1px solid var(--border-gold);
    color: var(--accent-gold);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 50px;
    margin-bottom: var(--spacing-sm);
}

.hero-badge i {
    font-size: 0.85rem;
}

.hero-text h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-white);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-text h1 .gold {
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

.hero-text p.lead {
    font-size: 1.1rem;
    color: var(--text-mint);
    margin-bottom: var(--spacing-md);
    max-width: 520px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.hero-note i {
    color: var(--accent-gold);
}

.hero-card {
    background: rgba(18, 62, 37, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-card);
}

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

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-card-header h3 {
    font-size: 1rem;
    margin-bottom: 0;
    color: var(--accent-gold);
}

.hot-tag {
    background: var(--accent-red);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: pulse-tag 2s infinite;
}

@keyframes pulse-tag {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hero-card-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.hero-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.hero-card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.hero-stat {
    text-align: center;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 215, 0, 0.06);
    border: 1px solid var(--border-light);
}

.hero-stat strong {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: 2px;
}

.hero-stat span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========== SECTION BASE ========== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background: var(--bg-deep);
}

.section-header {
    text-align: left;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
}

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

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.01em;
}

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

.section-header p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.divider-gold {
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
    border-radius: 3px;
    margin-bottom: var(--spacing-sm);
}

.divider-gold.center {
    margin-left: auto;
    margin-right: auto;
}

/* ========== METRICS BOARD ========== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.metric-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========== STEPS / METHOD ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--accent-gold);
    color: #0A2E1C;
    font-weight: 800;
    font-size: 1.1rem;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-gold);
}

.step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* ========== FEATURES MATRIX ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    transition: var(--transition);
}

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

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-white);
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.55;
}

/* ========== COMPARISON ========== */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.compare-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition);
}

.compare-card.highlight {
    border-color: var(--border-gold);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, var(--bg-card) 60%);
    box-shadow: var(--shadow-gold);
}

.compare-card h3 {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--spacing-sm);
}

.compare-card h3 .tick {
    color: var(--accent-gold);
}

.compare-card h3 .cross {
    color: var(--accent-red);
}

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

.compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
    color: var(--text-mint);
}

.compare-list li:last-child {
    border-bottom: none;
}

.compare-list li i {
    margin-top: 3px;
    flex-shrink: 0;
}

.compare-list li i.fa-check-circle {
    color: #4CAF50;
}

.compare-list li i.fa-times-circle {
    color: var(--accent-red);
}

/* ========== FAQ ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-white);
    background: transparent;
    width: 100%;
    text-align: left;
    border: none;
}

.faq-question i {
    color: var(--accent-gold);
    font-size: 1rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.65;
}

/* ========== CTA / FORM ========== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--bg-deep) 0%, #123E25 50%, var(--bg-deep) 100%);
    border-top: 1px solid var(--border-gold);
    border-bottom: 1px solid var(--border-gold);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

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

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

.cta-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: var(--spacing-sm);
}

.cta-benefits span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--accent-gold);
    font-weight: 500;
}

.cta-benefits i {
    font-size: 0.9rem;
}

.cta-form-card {
    background: rgba(18, 62, 37, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-card);
}

.cta-form-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--accent-gold);
}

.cta-form-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-mint);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 13px 18px;
    font-size: 0.9rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    color: var(--text-white);
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus {
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
}

.form-submit {
    width: 100%;
    padding: 15px 24px;
    font-size: 1rem;
    font-weight: 700;
    background: var(--accent-gold);
    color: #0A2E1C;
    border-radius: 50px;
    border: 2px solid var(--accent-gold);
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.form-submit:hover {
    background: #FFE14D;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
}

.form-note {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
    margin-bottom: 0;
}

/* ========== FOOTER ========== */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-lg);
}

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

.footer-brand p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    max-width: 380px;
    line-height: 1.6;
}

.footer-links h3,
.footer-contact h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

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

.footer-contact p {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer-contact i {
    color: var(--accent-gold);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-sm) 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

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

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

.footer-badges .badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    background: transparent;
    letter-spacing: 0.02em;
}

.footer-badges .badge:first-child {
    border-color: rgba(211, 47, 47, 0.5);
    color: #ff6b6b;
    background: rgba(211, 47, 47, 0.1);
}

/* ========== FAB ========== */
.fab {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: radial-gradient(circle at 30% 25%, #1C1C1E, #0B0B0B);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    color: var(--accent-gold);
    font-size: 1.4rem;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
    cursor: pointer;
    opacity: 0.7;
    animation: fab-breathe 3s ease-in-out infinite;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 48px;
    min-height: 48px;
    touch-action: manipulation;
}

.fab::after {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 14px;
    height: 14px;
    background: #D32F2F;
    border: 2px solid #0A2E1C;
    border-radius: 50%;
    animation: fab-dot-blink 1.5s ease-in-out infinite;
}

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

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

.fab:hover {
    opacity: 1;
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(255, 215, 0, 0.55);
}

.fab:active {
    transform: scale(0.95) translateY(0.5px);
    box-shadow: 0 2px 10px rgba(255, 215, 0, 0.4);
}

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

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

    .hero-text p.lead {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-note {
        justify-content: center;
    }

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

    .divider-gold {
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

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

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

    .cta-benefits {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    :root {
        --spacing-xl: 56px;
        --spacing-lg: 40px;
        --spacing-md: 24px;
    }

    .main-nav {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(10, 46, 28, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-light);
        flex-direction: column;
        padding: 16px 24px;
        gap: 6px;
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
        z-index: 99;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav a {
        width: 100%;
        text-align: left;
        padding: 14px 16px;
        font-size: 1rem;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .header-actions .btn-login,
    .header-actions .btn-signup {
        display: inline-flex;
    }

    .hero-text h1 {
        font-size: 1.9rem;
    }

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

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

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

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .metric-number {
        font-size: 1.6rem;
    }

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

    .footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .brand {
        font-size: 1rem;
    }

    .hero-text h1 {
        font-size: 1.5rem;
    }

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

    .btn-primary,
    .btn-outline-gold {
        padding: 13px 24px;
        font-size: 0.85rem;
    }

    .hero-card-image img {
        height: 150px;
    }

    .hero-card-stats {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
    }

    .hero-stat strong {
        font-size: 1rem;
    }

    .hero-stat span {
        font-size: 0.65rem;
    }

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

    .cta-text h2 {
        font-size: 1.5rem;
    }

    .cta-form-card {
        padding: 20px;
    }

    .fab {
        left: 12px;
        bottom: 80px;
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    .header-actions {
        gap: 6px;
    }

    .btn-login {
        padding: 8px 14px;
        font-size: 0.75rem;
    }

    .btn-signup {
        padding: 8px 16px;
        font-size: 0.75rem;
    }
}

/* roulang page: category2 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-card: #1A1A1E;
            --bg-dark: #0E0E10;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #8B6F3E;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A9A9B2;
            --text-soft: #7D7D88;
            --border-gold: rgba(197, 160, 89, 0.3);
            --border-gold-strong: rgba(197, 160, 89, 0.6);
            --shadow-gold: 0 8px 30px rgba(197, 160, 89, 0.15);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --section-padding: 80px 0;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

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

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

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

        .container {
            max-width: var(--container-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header */
        .site-header {
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
            transition: var(--transition);
        }

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

        .brand {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand i {
            font-size: 1.2rem;
            color: var(--accent-amber);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 2px;
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 8px 18px;
            border-radius: 20px;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }

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

        .btn-signup {
            font-size: 0.88rem;
            font-weight: 700;
            color: #1A1A1A;
            padding: 9px 22px;
            border-radius: 22px;
            background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-gold) 100%);
            transition: var(--transition);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(197, 160, 89, 0.35);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(197, 160, 89, 0.5);
            color: #1A1A1A;
        }

        .nav-toggle {
            display: none;
            font-size: 1.3rem;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-gold);
            transition: var(--transition);
        }

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

        /* Hero Section */
        .hero-section {
            background: linear-gradient(180deg, rgba(18, 18, 18, 0.95) 0%, rgba(28, 28, 30, 0.98) 50%, var(--bg-primary) 100%);
            position: relative;
            padding: 70px 0 90px;
            overflow: hidden;
            border-bottom: 1px solid rgba(197, 160, 89, 0.15);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

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

        .hero-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid rgba(197, 160, 89, 0.3);
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 18px;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary-gold {
            font-size: 1rem;
            font-weight: 700;
            color: #1A1A1A;
            padding: 14px 32px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-gold) 60%, #A3883D 100%);
            transition: var(--transition);
            letter-spacing: 0.4px;
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(197, 160, 89, 0.55);
            color: #1A1A1A;
        }

        .btn-outline-gold {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-gold);
            padding: 13px 28px;
            border-radius: 28px;
            border: 2px solid var(--border-gold-strong);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
        }

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

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

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

        .hero-stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            font-family: var(--font-serif);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-soft);
            letter-spacing: 0.3px;
        }

        .hero-panel {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .progress-ring-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            max-width: 400px;
            width: 100%;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .progress-ring {
            position: relative;
            width: 160px;
            height: 160px;
            margin: 0 auto 20px;
        }

        .progress-ring-circle {
            position: absolute;
            inset: 0;
            border-radius: 50%;
            background: conic-gradient(var(--accent-gold) 0deg, var(--accent-amber) 324deg, rgba(255,255,255,0.06) 324deg 360deg);
            -webkit-mask: radial-gradient(circle at center, transparent 58%, #000 59%);
            mask: radial-gradient(circle at center, transparent 58%, #000 59%);
        }

        .progress-ring-inner {
            position: absolute;
            inset: 12px;
            border-radius: 50%;
            background: var(--bg-primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .progress-ring-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            font-family: var(--font-serif);
            line-height: 1;
        }

        .progress-ring-label {
            font-size: 0.72rem;
            color: var(--text-soft);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-top: 4px;
        }

        .progress-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .progress-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .tier-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 16px;
            background: rgba(197, 160, 89, 0.06);
            border: 1px solid rgba(197, 160, 89, 0.2);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--text-primary);
            transition: var(--transition);
        }

        .tier-item:hover {
            border-color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.12);
        }

        .tier-name {
            font-weight: 600;
        }

        .tier-tag {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--accent-amber);
            background: rgba(255, 191, 0, 0.15);
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        /* Section Common */
        .section {
            padding: var(--section-padding);
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(197, 160, 89, 0.1);
            border-bottom: 1px solid rgba(197, 160, 89, 0.1);
        }

        .section-header {
            text-align: left;
            margin-bottom: 40px;
            max-width: 640px;
        }

        .section-eyebrow {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Metrics Board */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .metric-icon {
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-serif);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-value span {
            font-size: 1rem;
            color: var(--accent-amber);
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            letter-spacing: 0.3px;
        }

        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .service-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 28px 24px;
            background: var(--bg-card);
            border: 1px solid rgba(197, 160, 89, 0.2);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

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

        .service-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
        }

        .service-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .service-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Comparison Section */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .comparison-card {
            padding: 30px 28px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
        }

        .comparison-card.before {
            border-color: rgba(255, 80, 80, 0.3);
            background: rgba(255, 80, 80, 0.04);
        }

        .comparison-card.after {
            border-color: rgba(76, 200, 100, 0.3);
            background: rgba(76, 200, 100, 0.04);
        }

        .comparison-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card.before .comparison-title {
            color: #FF6B6B;
        }

        .comparison-card.after .comparison-title {
            color: #4CC864;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-list li {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            padding-left: 24px;
            position: relative;
        }

        .comparison-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            border: 2px solid;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 8px;
        }

        .comparison-card.before .comparison-list li::before {
            border-color: #FF6B6B;
            background: rgba(255, 107, 107, 0.2);
        }

        .comparison-card.after .comparison-list li::before {
            border-color: #4CC864;
            background: rgba(76, 200, 100, 0.2);
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(197, 160, 89, 0.15);
            margin-bottom: 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            gap: 16px;
            transition: var(--transition);
            text-align: left;
            width: 100%;
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--accent-gold);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.12) 0%, rgba(28, 28, 30, 0.95) 50%, rgba(18, 18, 18, 0.98) 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            border: 1px solid var(--border-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(197, 160, 89, 0.2);
            padding: 60px 0 0;
            margin-top: 60px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(197, 160, 89, 0.15);
        }

        .footer-brand .brand {
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-links h3,
        .footer-contact h3 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }

        .footer-contact p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .footer-bottom {
            padding: 20px 0;
            background: rgba(0, 0, 0, 0.3);
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom-inner p {
            font-size: 0.82rem;
            color: var(--text-soft);
            margin: 0;
        }

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

        .footer-badges .badge {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--border-gold);
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.3px;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #1A1A1A;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.5);
        }

        .fab::after {
            content: '';
            position: absolute;
            top: 3px;
            right: 3px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF3B3B;
            border: 2px solid #1A1A1A;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                gap: 30px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1.5fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 50px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                padding: 20px 24px;
                gap: 0;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 0;
                border-bottom: 1px solid rgba(197, 160, 89, 0.1);
                font-size: 0.95rem;
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: block;
            }
            .header-actions .btn-login {
                display: none;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-panel {
                order: 2;
            }
            .hero-content {
                order: 1;
            }
            .progress-ring-card {
                max-width: 100%;
                padding: 28px 22px;
            }
            .hero-stats {
                gap: 20px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .fab {
                left: 16px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .brand {
                font-size: 1.1rem;
            }
            .brand i {
                font-size: 1rem;
            }
            .main-nav {
                top: 60px;
            }
            .hero-section {
                padding: 40px 0 60px;
            }
            .hero-title {
                font-size: 1.45rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-primary-gold,
            .btn-outline-gold {
                padding: 11px 20px;
                font-size: 0.88rem;
                border-radius: 22px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.2rem;
            }
            .metrics-board {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .metric-card {
                padding: 18px 16px;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .service-item {
                padding: 20px 16px;
                gap: 14px;
                flex-direction: column;
            }
            .comparison-card {
                padding: 22px 18px;
            }
            .progress-ring {
                width: 120px;
                height: 120px;
            }
            .progress-ring-value {
                font-size: 1.5rem;
            }
            .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .footer-badges {
                justify-content: center;
            }
        }