/* roulang page: index */
:root {
            --primary: #0A2E1C;
            --primary-light: #123E25;
            --primary-deep: #062315;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --red: #D32F2F;
            --text: #FFFFFF;
            --text-muted: #D1F2EB;
            --bg: #0B3C25;
            --card-bg: rgba(18, 62, 37, 0.85);
            --border: rgba(255, 215, 0, 0.35);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --font-sans: 'Inter', 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

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

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

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

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: -0.02em;
            line-height: 1.2;
            white-space: nowrap;
        }

        .logo:hover {
            color: var(--gold-soft);
        }

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

        .main-nav li a {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 2px;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }

        .btn-login {
            background: transparent;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.4);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: var(--primary-deep);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: var(--primary-deep);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--gold);
            font-size: 1.5rem;
            padding: 8px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 90px 0 80px;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(6, 35, 21, 0.95) 100%),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            border-bottom: 2px solid rgba(255, 215, 0, 0.15);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.5);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

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

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            color: var(--primary-deep);
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 32px;
            border-radius: 50px;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.55);
            color: var(--primary-deep);
        }

        .btn-outline {
            background: transparent;
            color: var(--gold);
            font-weight: 600;
            font-size: 1rem;
            padding: 16px 32px;
            border-radius: 50px;
            border: 1.5px solid var(--gold);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            transform: translateY(-3px);
            color: var(--gold-soft);
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }

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

        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }

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

        .hero-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .hero-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            filter: brightness(0.9);
        }

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(to top, rgba(6, 35, 21, 0.95) 0%, transparent 100%);
        }

        .hero-visual-overlay h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 8px;
        }

        .hero-visual-overlay p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Section Styles */
        section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        /* App Section */
        .app-section {
            background: var(--primary-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .app-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .app-content p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .app-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .app-features li {
            color: var(--text-muted);
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
        }

        .app-features li i {
            color: var(--gold);
            font-size: 1.1rem;
        }

        .app-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .app-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* Services Section */
        .services-section {
            background: var(--bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius);
            padding: 32px 28px;
            transition: all 0.35s ease;
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* About Section */
        .about-section {
            background: var(--primary-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 50px;
            align-items: center;
        }

        .about-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

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

        .about-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }

        .about-content p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .about-points {
            list-style: none;
        }

        .about-points li {
            color: var(--text-muted);
            padding: 10px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .about-points li i {
            color: var(--gold);
            margin-top: 4px;
        }

        /* News Section */
        .news-section {
            background: var(--bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            align-items: center;
            transition: all 0.3s ease;
        }

        .news-item:hover {
            padding-left: 10px;
        }

        .news-item-date {
            min-width: 80px;
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
        }

        .news-item-content h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .news-item-content h3 a {
            color: var(--text);
            transition: color 0.3s ease;
        }

        .news-item-content h3 a:hover {
            color: var(--gold);
        }

        .news-item-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        .news-sidebar {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius);
            padding: 30px;
        }

        .news-sidebar h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 20px;
        }

        .sidebar-item {
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

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

        .sidebar-item a {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
            display: block;
            transition: color 0.3s ease;
        }

        .sidebar-item a:hover {
            color: var(--gold);
        }

        .sidebar-item .sidebar-date {
            color: var(--gold);
            font-size: 0.8rem;
            margin-top: 6px;
        }

        /* FAQ Section */
        .faq-section {
            background: var(--primary-deep);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

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

        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            padding: 24px 28px;
            transition: all 0.3s ease;
        }

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

        .faq-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .faq-item h3 i {
            font-size: 1rem;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #FFD700 0%, #FF9F00 100%);
            padding: 70px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--primary-deep);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            color: var(--primary-deep);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            opacity: 0.85;
        }

        .btn-dark {
            background: var(--primary-deep);
            color: var(--gold);
            font-weight: 700;
            font-size: 1rem;
            padding: 16px 36px;
            border-radius: 50px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-dark:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
            color: var(--gold-soft);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            padding: 60px 0 30px;
            border-top: 2px solid rgba(255, 215, 0, 0.2);
        }

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

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

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

        .footer-badges {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .badge-18 {
            background: var(--red);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 6px;
            display: inline-block;
        }

        .badge-license {
            color: var(--gold);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FFD700, #B8860B);
            border: 2px solid var(--gold);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.75;
            transition: all 0.35s ease;
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6);
            animation-play-state: paused;
        }

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

        .fab .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--red);
            border-radius: 50%;
            border: 2px solid var(--primary-deep);
            animation: fab-blink 1.5s ease-in-out infinite;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }

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

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

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: nowrap;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            }

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

            .nav-actions {
                margin-left: 0;
            }

            .mobile-toggle {
                display: block;
            }

            .hero {
                padding: 60px 0;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 35px;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-visual img {
                height: 300px;
            }

            .app-grid,
            .about-grid,
            .news-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

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

            .app-content h2,
            .about-content h2 {
                font-size: 1.8rem;
            }

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

            section {
                padding: 60px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .fab {
                left: 16px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }

            .btn-login,
            .btn-signup {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .hero-desc {
                font-size: 1rem;
            }

            .btn-primary,
            .btn-outline {
                font-size: 0.9rem;
                padding: 14px 24px;
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                gap: 20px;
            }

            .stat-value {
                font-size: 1.4rem;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-item-date {
                min-width: auto;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .faq-item {
                padding: 18px 20px;
            }

            .nav-actions .btn-login {
                padding: 8px 12px;
            }

            .nav-actions .btn-signup {
                padding: 8px 14px;
            }

            .logo {
                font-size: 1rem;
                max-width: 180px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C5B8;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(255, 255, 255, 0.1);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-soft: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.18);
            --font-primary: 'Inter', 'Segoe UI', 'Roboto', Arial, sans-serif;
            --transition: all 0.25s ease;
            --max-width: 1280px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-primary);
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        a:hover {
            color: #ffe766;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            width: 100%;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            line-height: 1.2;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-gold), #ffb700);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-bg);
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
        }

        .main-nav li {
            margin: 0;
        }

        .main-nav a {
            display: inline-block;
            padding: 10px 18px;
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }

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

        .main-nav a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.14);
            box-shadow: inset 0 0 0 1px var(--border-gold);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 16px;
            border-radius: 50px;
            transition: var(--transition);
            background: transparent;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-login:hover {
            color: var(--accent-gold);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #ffb700);
            color: var(--primary-bg);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            text-decoration: none;
            display: inline-block;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.42);
            color: var(--primary-bg);
            background: linear-gradient(135deg, #ffe44d, #ffc800);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-subtle);
            color: var(--text-white);
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--border-gold);
        }

        /* Article Hero */
        .article-hero {
            background: linear-gradient(165deg, var(--secondary-bg) 0%, #0d3420 50%, var(--primary-bg) 100%);
            padding: 60px 0 40px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-hero-inner {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .article-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 18px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 22px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .article-meta .meta-item i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .article-category-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            border: 1px solid var(--border-gold);
        }

        .article-hero-excerpt {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 640px;
        }

        .article-hero-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--border-gold);
            aspect-ratio: 16/10;
        }

        .article-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .article-hero-image:hover img {
            transform: scale(1.03);
        }

        .article-hero-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(10, 46, 28, 0.7), transparent);
            pointer-events: none;
        }

        /* Article Body */
        .article-body-section {
            padding: 56px 0 64px;
            background: var(--primary-bg);
            flex: 1;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
        }

        .article-content {
            max-width: 820px;
            margin: 0 auto;
            width: 100%;
        }

        .article-content .prose {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .article-content .prose h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 36px 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .article-content .prose h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 28px 0 12px;
            line-height: 1.35;
        }

        .article-content .prose p {
            margin-bottom: 18px;
        }

        .article-content .prose ul,
        .article-content .prose ol {
            margin: 16px 0 20px 24px;
            color: var(--text-mint);
        }

        .article-content .prose li {
            margin-bottom: 10px;
        }

        .article-content .prose strong {
            color: var(--text-white);
            font-weight: 700;
        }

        .article-content .prose blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: var(--text-mint);
            font-style: italic;
        }

        .article-content .prose img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-soft);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            display: block;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), #ffb700);
            color: var(--primary-bg);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.45);
            color: var(--primary-bg);
        }

        /* Related CTA */
        .article-cta {
            margin-top: 48px;
            background: linear-gradient(135deg, var(--secondary-bg), #1a4a2e);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-soft);
        }

        .article-cta-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .article-cta-text p {
            color: var(--text-mint);
            margin: 0;
            font-size: 0.98rem;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a1a1a, #0d0d0d);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            text-decoration: none;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0d0d0d;
            animation: blinkDot 1.6s ease-in-out infinite;
        }

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

        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Footer */
        .site-footer {
            background: #061b10;
            border-top: 1px solid var(--border-gold);
            padding: 56px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.65;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.92rem;
            transition: var(--transition);
            text-decoration: none;
        }

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

        .footer-col ul li a i {
            margin-right: 8px;
            color: var(--accent-gold);
            font-size: 0.85rem;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            border: 2px solid #ff6b6b;
        }

        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-hero-text h1 {
                font-size: 2.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(10, 46, 28, 0.98);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 12px;
                border: 1px solid var(--border-subtle);
            }

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

            .main-nav a {
                display: block;
                text-align: left;
                padding: 12px 16px;
                border-radius: 8px;
            }

            .auth-buttons {
                margin-left: auto;
            }

            .btn-signup {
                padding: 10px 18px;
                font-size: 0.88rem;
            }

            .btn-login {
                padding: 10px 12px;
                font-size: 0.88rem;
            }

            .article-hero {
                padding: 36px 0 28px;
            }

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

            .article-body-section {
                padding: 36px 0 48px;
            }

            .article-cta {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .fab-support {
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 84px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 1rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1.1rem;
                border-radius: 10px;
            }

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

            .article-hero-excerpt {
                font-size: 1rem;
            }

            .article-meta {
                font-size: 0.82rem;
                gap: 10px;
            }

            .btn-signup {
                padding: 9px 14px;
                font-size: 0.82rem;
            }

            .btn-login {
                padding: 9px 8px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: #12182B;
            --card-hover: #1A2140;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #7A8BA3;
            --border-color: rgba(0, 240, 255, 0.15);
            --border-hover: rgba(0, 240, 255, 0.5);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.3);
            --shadow-neon-hover: 0 0 30px rgba(0, 240, 255, 0.6);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-family);
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover, a:focus {
            color: var(--accent-cyan);
            outline: none;
        }

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

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

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

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

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

        h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-md);
        }

        h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
        }

        h3 {
            font-size: 1.5rem;
            font-weight: 700;
        }

        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }

        p {
            margin-bottom: var(--spacing-sm);
            color: var(--text-silver);
            line-height: 1.7;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .text-accent {
            color: var(--accent-cyan);
        }

        .text-gradient {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-padding {
            padding: var(--spacing-xxl) 0;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }

        /* ===== HEADER / NAVIGATION ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
            transition: var(--transition);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            background: rgba(8, 9, 15, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: var(--shadow-neon);
        }

        .logo span {
            color: var(--accent-cyan);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }

        .main-nav li a {
            display: block;
            padding: 10px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-silver);
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .main-nav li a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }

        .main-nav li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            font-weight: 600;
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .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: 11px 24px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
            letter-spacing: 0.01em;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            background: var(--accent-gradient);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.6);
            color: #fff;
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: #fff;
            border: none;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(0, 82, 255, 0.6);
            color: #fff;
        }

        .btn-secondary {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 600;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.15);
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
            color: var(--accent-cyan);
        }

        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--text-white);
            font-size: 1.3rem;
        }

        /* ===== PAGE HERO ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: var(--secondary-bg);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--accent-cyan);
            opacity: 0.6;
        }

        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            max-width: 750px;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        .page-hero .lead {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 600px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stat .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1;
        }

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

        /* ===== FEATURE SECTION ===== */
        .feature-section {
            padding: var(--spacing-xxl) 0;
        }

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

        .feature-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
            background: var(--card-hover);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .feature-item h3 {
            font-size: 1.25rem;
            margin-bottom: var(--spacing-xs);
        }

        .feature-item p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== STRATEGY SECTION ===== */
        .strategy-section {
            padding: var(--spacing-xxl) 0;
            background: var(--secondary-bg);
        }

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

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

        .strategy-item:hover {
            border-color: var(--border-hover);
            background: var(--card-hover);
            transform: translateX(5px);
        }

        .strategy-number {
            width: 44px;
            height: 44px;
            min-width: 44px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .strategy-content h3 {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-xs);
        }

        .strategy-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== IMAGE TEXT SECTION ===== */
        .image-text-section {
            padding: var(--spacing-xxl) 0;
        }

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

        .image-text-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            position: relative;
        }

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

        .image-text-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 9, 15, 0.6) 0%, transparent 50%);
            pointer-events: none;
        }

        .image-text-content h2 {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }

        .image-text-content p {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .check-list {
            list-style: none;
            margin: var(--spacing-md) 0 0;
            padding: 0;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--text-silver);
        }

        .check-list li i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        /* ===== FAQ SECTION ===== */
        .faq-section {
            padding: var(--spacing-xxl) 0;
            background: var(--secondary-bg);
        }

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

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

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

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: var(--transition);
            user-select: none;
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
        }

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

        .faq-question .faq-icon {
            min-width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-gradient);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

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

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            padding: var(--spacing-xxl) 0;
            position: relative;
            overflow: hidden;
            background: var(--primary-bg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-box {
            background: var(--card-bg);
            border: 1px solid var(--border-hover);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-neon);
        }

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

        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 500px;
            margin: 0 auto var(--spacing-lg);
            line-height: 1.7;
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

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

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

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

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
            color: var(--text-white);
        }

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

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-col ul li a i {
            font-size: 0.85rem;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .badge-18 {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid #ff3b3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.8rem;
            color: #ff3b3b;
            background: rgba(255, 59, 59, 0.08);
        }

        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            padding: 8px 14px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .badge-license i {
            font-size: 0.9rem;
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.85), rgba(8, 9, 15, 0.85)), linear-gradient(135deg, #0052FF, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.6;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            color: var(--accent-cyan);
        }

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

        .fab .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ff3b3b;
            border: 2px solid var(--primary-bg);
            animation: blink-dot 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.5rem;
            }

            .page-hero h1 {
                font-size: 2.4rem;
            }

            .section-title {
                font-size: 2rem;
            }

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

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

            .image-text-image img {
                height: 300px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm);
                gap: 4px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.1);
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .main-nav li a {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .main-nav li a.active::after {
                display: none;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login {
                padding: 9px 16px;
                font-size: 0.85rem;
            }

            .btn-signup {
                padding: 9px 16px;
                font-size: 0.85rem;
            }

            .logo {
                font-size: 1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            h1 {
                font-size: 2rem;
            }

            .page-hero {
                padding: 100px 0 60px;
            }

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

            .section-title {
                font-size: 1.7rem;
            }

            h2 {
                font-size: 1.6rem;
            }

            .section-padding,
            .feature-section,
            .strategy-section,
            .image-text-section,
            .faq-section,
            .cta-section {
                padding: var(--spacing-lg) 0;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .stat-number {
                font-size: 1.8rem;
            }

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

            .strategy-item {
                flex-direction: column;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }

            .strategy-number {
                width: 38px;
                height: 38px;
                min-width: 38px;
                font-size: 0.95rem;
            }

            .cta-box {
                padding: var(--spacing-lg) var(--spacing-md);
            }

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }

            .footer-badges {
                justify-content: center;
            }

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

            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

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

            .page-hero .lead {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            h1 {
                font-size: 1.7rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .hero-stat {
                flex-direction: row;
                align-items: center;
                gap: 12px;
            }

            .hero-stat .stat-number {
                font-size: 1.6rem;
                min-width: 60px;
            }

            .feature-item {
                padding: var(--spacing-md);
            }

            .faq-question {
                padding: 14px 18px;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 8px;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #D32F2F;
            --color-primary-dark: #A02424;
            --color-accent: #FFD700;
            --color-accent-soft: #FFE55C;
            --color-bg-dark: #0A2E1C;
            --color-bg-darker: #071F13;
            --color-bg-card: #123E25;
            --color-text: #FFFFFF;
            --color-text-muted: #D1F2EB;
            --color-text-gold: #FFD700;
            --color-border: rgba(255, 215, 0, 0.35);
            --color-border-strong: rgba(255, 215, 0, 0.6);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --shadow-gold-hover: 0 8px 32px rgba(255, 215, 0, 0.35);
            --font-sans: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            --max-width: 1200px;
            --header-height: 76px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

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

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

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

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

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

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
        }

        h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 1rem;
        }

        h3 {
            font-size: clamp(1.15rem, 1.8vw, 1.45rem);
            font-weight: 700;
        }

        p {
            margin-bottom: 1rem;
            color: var(--color-text-muted);
            line-height: 1.65;
        }

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

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

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-smooth);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.3;
        }

        .logo i {
            margin-right: 8px;
            color: var(--color-accent);
        }

        .logo:hover,
        .logo:focus {
            color: var(--color-accent-soft);
        }

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

        .main-nav li a {
            display: inline-block;
            padding: 8px 16px;
            color: var(--color-text-muted);
            font-weight: 600;
            font-size: 0.92rem;
            border-radius: 30px;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .main-nav li a.active {
            color: var(--color-accent);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 700;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
            text-align: center;
        }

        .btn-text {
            background: transparent;
            color: var(--color-accent);
            padding: 10px 16px;
            border: 1px solid transparent;
        }

        .btn-text:hover,
        .btn-text:focus {
            color: var(--color-accent-soft);
            background: rgba(255, 215, 0, 0.08);
            border-color: rgba(255, 215, 0, 0.2);
        }

        .btn-solid {
            background: linear-gradient(135deg, #FFD700, #FFB300);
            color: #1A1A1A;
            box-shadow: var(--shadow-gold);
        }

        .btn-solid:hover,
        .btn-solid:focus {
            background: linear-gradient(135deg, #FFE55C, #FFC800);
            color: #1A1A1A;
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 215, 0, 0.1);
            color: var(--color-accent-soft);
            border-color: var(--color-accent-soft);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: 36px;
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
            border-radius: 24px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-accent);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover,
        .mobile-toggle:focus {
            background: rgba(255, 215, 0, 0.1);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: calc(var(--header-height) + 48px) 0 56px;
            background: linear-gradient(135deg, #071F13 0%, #0A2E1C 40%, #123E25 100%);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb i {
            font-size: 0.7rem;
            opacity: 0.6;
        }

        .page-banner h1 {
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 700px;
            margin-bottom: 0;
        }

        /* Feature intro section */
        .feature-intro {
            padding: 64px 0;
            background: var(--color-bg-darker);
        }

        .feature-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .feature-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform var(--transition-smooth);
        }

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

        .feature-intro-content h2 {
            margin-bottom: 16px;
        }

        .feature-intro-content p {
            font-size: 1.02rem;
        }

        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            color: var(--color-accent);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .stat-badge i {
            font-size: 0.9rem;
        }

        /* Strategy cards */
        .strategy-section {
            padding: 72px 0;
            background: var(--color-bg-dark);
        }

        .section-heading {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            margin-bottom: 8px;
        }

        .section-heading .heading-sub {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 550px;
            margin-bottom: 0;
        }

        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .strategy-card {
            background: var(--color-bg-card);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .strategy-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.4rem;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .strategy-card h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }

        .strategy-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* Steps section */
        .steps-section {
            padding: 72px 0;
            background: var(--color-bg-darker);
        }

        .steps-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 32px;
        }

        .step-item {
            position: relative;
            padding: 24px 20px;
            border-left: 3px solid rgba(255, 215, 0, 0.3);
            transition: all var(--transition-smooth);
        }

        .step-item:hover {
            border-left-color: var(--color-accent);
            background: rgba(255, 215, 0, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .step-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: 8px;
            line-height: 1;
        }

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

        .step-item p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* Tips strip */
        .tips-strip {
            padding: 48px 0;
            background: linear-gradient(135deg, #123E25, #0A2E1C);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .tips-strip-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .tips-strip-icon {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.8rem;
            border: 2px solid rgba(255, 215, 0, 0.3);
        }

        .tips-strip-content {
            flex: 1;
            min-width: 250px;
        }

        .tips-strip-content h3 {
            margin-bottom: 4px;
            font-size: 1.2rem;
        }

        .tips-strip-content p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* FAQ */
        .faq-section {
            padding: 72px 0;
            background: var(--color-bg-dark);
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            user-select: none;
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* CTA section */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, #071F13, #0A2E1C);
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }

        .cta-section h2 {
            margin-bottom: 12px;
        }

        .cta-section p {
            max-width: 650px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }

        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #050F09;
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            color: var(--color-accent);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

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

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0;
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            border: 2px solid var(--color-accent);
        }

        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.1);
            color: var(--color-accent);
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #D4AC0D);
            border: 3px solid #B8860B;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A1A;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fabFloat 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

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

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

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }

            .mobile-toggle {
                display: block;
            }

            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(7, 31, 19, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 2px solid rgba(255, 215, 0, 0.25);
                transform: translateY(-110%);
                transition: transform var(--transition-smooth);
                z-index: 99;
            }

            .main-nav.open {
                transform: translateY(0);
            }

            .main-nav li a {
                display: block;
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }

            .header-actions .btn-text {
                display: none;
            }

            .header-actions .btn-solid {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .feature-intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .feature-intro-image img {
                min-height: 220px;
            }

            .section-heading {
                flex-direction: column;
                gap: 8px;
            }

            .section-padding,
            .section-padding-sm {
                padding: 48px 0;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }

            .cta-section {
                padding: 48px 0;
            }

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

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

            h1 {
                font-size: 1.8rem;
            }

            h2 {
                font-size: 1.45rem;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }

            .page-banner {
                padding: calc(var(--header-height) + 28px) 0 36px;
            }

            .logo {
                font-size: 0.95rem;
            }

            .header-actions .btn-solid {
                padding: 7px 12px;
                font-size: 0.8rem;
            }

            .tips-strip-inner {
                flex-direction: column;
                text-align: center;
            }

            .tips-strip-icon {
                margin: 0 auto;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 16px;
            }
        }