/* roulang page: index */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--accent-glow);
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-glow);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(226,232,240,0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: rgba(226,232,240,0.06);
        }
        /* Cards */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 0;
            transition: all 0.3s ease;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .card:hover {
            border-color: #3F3F46;
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .card-body {
            padding: 20px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .badge-hot {
            background: var(--red-badge);
            color: #fff;
        }
        .badge-new {
            background: var(--green-status);
            color: #09090B;
        }
        .badge-vip {
            background: linear-gradient(135deg, #FCD34D, #B45309);
            color: #09090B;
        }
        /* Hero */
        .hero-section {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(180deg, #0E0E12 0%, #09090B 100%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        /* Section */
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 700px;
        }
        /* FAB */
        .fab-container {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: linear-gradient(135deg, #E2E8F0, #71717A);
            border: 2px solid #FDE68A;
            color: #09090B;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(245,158,11,0.3);
            transition: all 0.3s ease;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.1);
        }
        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid white;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        /* Content list */
        .content-list {
            list-style: none;
        }
        .content-list li {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .content-list li a {
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: color 0.2s;
        }
        .content-list li a:hover {
            color: var(--accent-glow);
        }
        .content-list .meta {
            color: var(--text-tertiary);
            font-size: 0.8rem;
            white-space: nowrap;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.95);
                backdrop-filter: blur(16px);
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                gap: 16px;
            }
            .mobile-menu.open a {
                color: var(--text-primary);
                font-size: 1.1rem;
                font-weight: 600;
                text-decoration: none;
                padding: 8px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
            }
            .hero-section {
                padding: 120px 0 50px;
            }
            .section {
                padding: 50px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-actions .btn-login {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .nav-actions .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--accent-glow);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.25s ease;
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-glow);
            box-shadow: 0 8px 30px rgba(253,230,138,0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--accent-glow);
            color: var(--accent-glow);
            background: rgba(253,230,138,0.06);
        }
        .category-hero {
            position: relative;
            min-height: 65vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            margin-top: 72px;
        }
        .category-hero-video-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            opacity: 0.35;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(9,9,11,0.95) 0%, rgba(9,9,11,0.6) 50%, rgba(9,9,11,0.85) 100%);
            z-index: 1;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 80px 0 60px;
        }
        .category-hero-content h1 {
            font-size: clamp(2.4rem, 5vw, 3.8rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 22px;
            background: linear-gradient(135deg, #F8FAFC, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .badge-bubble {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(16,185,129,0.15);
            color: #6EE7B7;
            border: 1px solid rgba(16,185,129,0.3);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .play-btn-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 30px rgba(253,230,138,0.45);
            font-size: 1.4rem;
            color: #09090B;
        }
        .play-btn-circle:hover {
            transform: scale(1.1);
            box-shadow: 0 0 50px rgba(253,230,138,0.7);
        }
        .section {
            padding: 80px 0;
        }
        .section-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-glow);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin-top: 48px;
        }
        .card-feature {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .card-feature:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .card-feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(253,230,138,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-glow);
            margin-bottom: 20px;
        }
        .card-feature h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .card-feature p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .platform-tag {
            display: inline-block;
            background: rgba(59,130,246,0.12);
            color: #93C5FD;
            border: 1px solid rgba(59,130,246,0.3);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 8px;
        }
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 48px;
        }
        .process-step {
            flex: 1 1 220px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: left;
            transition: all 0.3s ease;
        }
        .process-step:hover {
            border-color: var(--accent);
        }
        .step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-glow);
            opacity: 0.35;
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .faq-list {
            margin-top: 48px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            transition: all 0.3s ease;
        }
        .faq-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .sticky-cta {
            position: fixed;
            bottom: 20px;
            left: 20px;
            right: 20px;
            z-index: 45;
            background: rgba(24,24,27,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: 0 -4px 30px rgba(0,0,0,0.7);
        }
        .sticky-cta span {
            font-weight: 600;
            font-size: 1rem;
        }
        .content-list {
            margin-top: 48px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .content-list-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: all 0.3s ease;
        }
        .content-list-item:hover {
            border-color: var(--accent);
        }
        .content-list-item img {
            width: 100px;
            height: 70px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .content-list-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .content-list-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .content-list-item a {
            text-decoration: none;
            color: inherit;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-color);
                padding: 20px 24px;
                gap: 16px;
                z-index: 49;
            }
            .mobile-menu.open a {
                color: var(--text-secondary);
                text-decoration: none;
                font-size: 1.1rem;
                font-weight: 500;
            }
            .category-hero {
                min-height: 55vh;
            }
            .category-hero-content {
                padding: 60px 0 40px;
            }
            .sticky-cta {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .content-list-item {
                flex-direction: column;
            }
            .content-list-item img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                flex-direction: column;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            padding-top: 72px;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
        }
        .article-banner {
            position: relative;
            background: linear-gradient(135deg, #120324 0%, #1C0738 50%, #09090B 100%);
            padding: 80px 0 60px;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .article-banner-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
            text-align: left;
        }
        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(236,72,153,0.2);
            border: 1px solid rgba(236,72,153,0.4);
            color: #F472B6;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .article-banner h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            color: var(--text-tertiary);
            font-size: 0.875rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--accent-glow);
            font-size: 0.75rem;
        }
        .article-body {
            padding: 60px 0;
        }
        .article-content-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 18px;
            line-height: 1.3;
        }
        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 30px 0 14px;
        }
        .article-content p {
            margin-bottom: 18px;
        }
        .article-content ul, .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 20px 0;
        }
        .article-content blockquote {
            border-left: 3px solid var(--accent-glow);
            padding-left: 20px;
            margin: 24px 0;
            color: var(--text-primary);
            font-style: italic;
            background: rgba(253,224,138,0.05);
            padding: 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .article-cta-card {
            background: linear-gradient(135deg, var(--bg-secondary), #1C0738);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin: 50px 0;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .article-cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(236,72,153,0.15), transparent 70%);
            border-radius: 50%;
        }
        .article-cta-card h3 {
            position: relative;
            z-index: 1;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .article-cta-card p {
            position: relative;
            z-index: 1;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .article-cta-card .btn-primary {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #EC4899, #FACC15);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            box-shadow: 0 6px 25px rgba(236,72,153,0.4);
            transition: all 0.3s ease;
        }
        .article-cta-card .btn-primary:hover {
            box-shadow: 0 8px 35px rgba(236,72,153,0.6);
            transform: translateY(-2px);
        }
        .not-found-section {
            text-align: center;
            padding: 100px 0;
        }
        .not-found-section i {
            font-size: 4rem;
            color: var(--text-tertiary);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-section h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .not-found-section p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .not-found-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .not-found-section .btn-primary:hover {
            box-shadow: var(--shadow-glow);
        }
        .related-games-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }
        .game-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .game-mini-card:hover {
            border-color: var(--accent-glow);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .game-mini-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .game-mini-card-body {
            padding: 16px;
        }
        .game-mini-card-body h4 {
            font-weight: 600;
            margin-bottom: 6px;
            font-size: 0.95rem;
        }
        .game-mini-card-body .game-meta {
            font-size: 0.8rem;
            color: var(--text-tertiary);
        }
        .social-proof-bar {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 30px 0;
            margin: 40px 0;
        }
        .social-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-tertiary);
            margin-top: 4px;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--accent-glow);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.3);
            transform: translateY(-2px);
        }
        .fab-floating {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 40;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(7,7,13,0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #22D3EE;
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(6,182,212,0.45);
            text-decoration: none;
        }
        .fab-btn::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #A3E635, #06B6D4);
            z-index: -1;
            opacity: 0.8;
        }
        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(6,182,212,0.7);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #07070D;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .social-stats {
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 24px;
                flex-direction: column;
                gap: 12px;
            }
            .mobile-menu.active {
                display: flex;
            }
            .mobile-menu a {
                color: var(--text-secondary);
                text-decoration: none;
                font-size: 1rem;
                font-weight: 500;
                padding: 8px 0;
                display: block;
            }
            .mobile-menu a:hover,
            .mobile-menu a.active {
                color: var(--text-primary);
            }
            .article-banner {
                padding: 50px 0 40px;
            }
            .article-content-wrapper {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .footer-bottom a {
                margin: 0 8px;
            }
            .related-games-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
        }
        @media (max-width: 520px) {
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .related-games-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            padding-top: 72px;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
        }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--accent-glow);
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            box-shadow: 0 4px 15px rgba(226,232,240,0.2);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(226,232,240,0.35);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            background: rgba(226,232,240,0.05);
        }
        /* Category Page Specific */
        .page-banner {
            background: linear-gradient(135deg, #0a0a12 0%, #1a1a2e 50%, #0a0a12 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(226,232,240,0.05) 0%, transparent 70%);
            border-radius: 50%;
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .guide-card:hover {
            border-color: var(--accent);
            box-shadow: 0 8px 30px rgba(0,0,0,0.6);
            transform: translateY(-4px);
        }
        .guide-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(226,232,240,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
            color: var(--accent-glow);
            border: 1px solid rgba(226,232,240,0.15);
        }
        .guide-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .guide-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .steps-list {
            list-style: none;
            counter-reset: step-counter;
        }
        .steps-list li {
            counter-increment: step-counter;
            position: relative;
            padding-left: 60px;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .steps-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        .steps-list li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-glow));
            color: #09090B;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .check-list {
            list-style: none;
        }
        .check-list li {
            padding: 8px 0 8px 32px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .check-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--green-status);
            font-size: 0.85rem;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--bg-card);
        }
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            transition: background 0.2s ease;
            font-size: 1rem;
        }
        .faq-question:hover {
            background: rgba(226,232,240,0.03);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .cta-strip {
            background: linear-gradient(135deg, #1a1a2e, #0f0f1a);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
        }
        /* Article list */
        .article-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
            transition: all 0.2s ease;
        }
        .article-list-item:hover {
            background: rgba(226,232,240,0.02);
            padding-left: 12px;
        }
        .article-list-item img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .article-list-item-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .article-list-item-content p {
            font-size: 0.85rem;
            color: var(--text-tertiary);
            margin-bottom: 6px;
        }
        .article-list-item-content .meta {
            font-size: 0.75rem;
            color: var(--text-tertiary);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-color);
                padding: 20px 24px;
                gap: 16px;
            }
            .mobile-menu.active a {
                color: var(--text-secondary);
                text-decoration: none;
                font-size: 1rem;
                font-weight: 500;
            }
            .mobile-menu.active a.active {
                color: var(--accent-glow);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .cta-strip {
                padding: 30px 20px;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .article-list-item {
                flex-direction: column;
            }
            .article-list-item img {
                width: 100%;
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .footer-bottom a {
                margin-left: 0;
                margin: 0 8px;
            }
            .logo-text {
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
        }
        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }
        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-menu {
            display: none;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }
        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }
        .footer-bottom a:hover {
            color: var(--accent-glow);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(226,232,240,0.2);
        }
        .btn-primary:hover {
            background: #FFFFFF;
            box-shadow: 0 12px 35px rgba(226,232,240,0.35);
            transform: translateY(-2px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--accent);
            color: var(--accent);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: rgba(226,232,240,0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .hero-section {
            position: relative;
            padding: 140px 0 100px;
            background-image: url('/assets/images/backpic/back-6.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(9,9,11,0.7) 0%, rgba(24,24,27,0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .countdown-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            background: rgba(24,24,27,0.8);
            backdrop-filter: blur(15px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 16px 28px;
            margin-top: 32px;
        }
        .countdown-item {
            text-align: center;
            min-width: 70px;
        }
        .countdown-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1.1;
        }
        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
        }
        .tip-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .tip-number {
            font-size: 3rem;
            font-weight: 900;
            background: linear-gradient(180deg, #FDE68A 0%, #A1A1AA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
        }
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(239,68,68,0.1);
            border: 1px solid rgba(239,68,68,0.3);
            color: var(--red-badge);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.825rem;
            font-weight: 700;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-question {
            padding: 20px 28px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
        }
        .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .cta-sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 12px 24px;
            z-index: 40;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .floating-fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: var(--bg-card);
            border: 2px solid var(--accent-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-glow);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 25px rgba(253,230,138,0.2);
            text-decoration: none;
        }
        .floating-fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(253,230,138,0.4);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-links,
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(9,9,11,0.98);
                backdrop-filter: blur(25px);
                border-bottom: 1px solid var(--border-color);
                padding: 24px;
                gap: 16px;
            }
            .mobile-menu a {
                color: var(--text-secondary);
                text-decoration: none;
                font-size: 1.1rem;
                font-weight: 500;
                padding: 10px 0;
            }
            .mobile-menu .btn-login,
            .mobile-menu .btn-signup {
                display: block;
                text-align: center;
                margin-top: 8px;
            }
            .hero-section {
                padding: 120px 0 60px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .countdown-bar {
                gap: 12px;
                padding: 12px 16px;
            }
            .countdown-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-section {
                padding: 110px 0 40px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #09090B;
            --bg-secondary: #18181B;
            --bg-card: #18181B;
            --border-color: #27272A;
            --text-primary: #FFFFFF;
            --text-secondary: #A1A1AA;
            --text-tertiary: #71717A;
            --accent: #E2E8F0;
            --accent-glow: #FDE68A;
            --accent-cta: #FBBF24;
            --red-badge: #EF4444;
            --green-status: #10B981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 25px rgba(226,232,240,0.15);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(9,9,11,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            background: linear-gradient(135deg, #E2E8F0, #FDE68A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.925rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-login:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }

        .btn-signup {
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border: none;
            color: #09090B;
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(226,232,240,0.4);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-menu {
            display: none;
        }

        /* Hero */
        .hero {
            padding: 140px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #FFFFFF, #E2E8F0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-visual {
            position: relative;
        }

        .before-after-container {
            display: flex;
            gap: 20px;
            position: relative;
        }

        .ba-card {
            flex: 1;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            overflow: hidden;
        }

        .ba-card.before {
            opacity: 0.6;
            filter: grayscale(0.5);
            border-color: #3F3F46;
        }

        .ba-card.after {
            border-color: var(--accent-glow);
            box-shadow: var(--shadow-glow);
            transform: scale(1.05);
            z-index: 2;
        }

        .ba-label {
            position: absolute;
            top: 12px;
            right: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 4px 12px;
            border-radius: 20px;
        }

        .ba-card.before .ba-label {
            background: rgba(113,113,122,0.3);
            color: var(--text-tertiary);
        }

        .ba-card.after .ba-label {
            background: var(--green-status);
            color: #09090B;
        }

        .ba-card img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
        }

        .ba-card h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #09090B;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(226,232,240,0.25);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(226,232,240,0.45);
            transform: translateY(-2px);
            color: #09090B;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: rgba(226,232,240,0.08);
            border-color: var(--text-primary);
            color: var(--text-primary);
        }

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

        .section-header {
            text-align: left;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        .section-badge {
            display: inline-block;
            background: rgba(253,230,138,0.1);
            color: var(--accent-glow);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        /* Benefits Grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .benefit-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

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

        .benefit-icon {
            width: 52px;
            height: 52px;
            background: rgba(226,232,240,0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-glow);
            margin-bottom: 20px;
        }

        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .benefit-card p {
            color: var(--text-tertiary);
            font-size: 0.925rem;
            line-height: 1.6;
        }

        /* Tips List */
        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .tip-item {
            display: flex;
            gap: 24px;
            padding: 28px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: all 0.3s ease;
            align-items: flex-start;
        }

        .tip-item:hover {
            border-color: var(--accent);
            background: #1C1C1F;
        }

        .tip-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-glow);
            line-height: 1;
            min-width: 50px;
        }

        .tip-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .tip-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.3s ease;
        }

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

        .testimonial-text {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
            position: relative;
            padding-left: 24px;
        }

        .testimonial-text::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 2.5rem;
            color: var(--accent-glow);
            font-weight: 800;
            line-height: 1;
            font-style: normal;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
        }

        .testimonial-author strong {
            display: block;
            font-size: 0.9rem;
            color: var(--text-primary);
        }

        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-tertiary);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 24px 0;
        }

        .faq-question {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.2s ease;
        }

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

        .faq-answer {
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            text-align: left;
        }

        .cta-box {
            background: linear-gradient(135deg, #1C1C1F, #18181B);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 60px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(253,230,138,0.08), transparent);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            position: relative;
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.7;
            position: relative;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }

        /* Info Grid */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.3s ease;
        }

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

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

        .info-card p {
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

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

        .post-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
        }

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

        .post-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .post-card-body {
            padding: 20px;
        }

        .post-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.45;
        }

        .post-card-body p {
            font-size: 0.85rem;
            color: var(--text-tertiary);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .post-meta {
            display: flex;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-tertiary);
        }

        /* Sticky CTA Bar */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 40;
            background: rgba(9,9,11,0.95);
            backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-color);
            padding: 16px 0;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .sticky-cta-bar p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* Floating Action Button */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 45;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #E2E8F0, #A1A1AA);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #09090B;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            transition: all 0.3s ease;
            border: 2px solid #F59E0B;
            opacity: 0.8;
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 35px rgba(245,158,11,0.5);
        }

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

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

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            color: var(--text-tertiary);
            font-size: 0.8rem;
        }

        .footer-bottom a {
            color: var(--text-secondary);
            text-decoration: none;
            margin-left: 20px;
        }

        .footer-bottom a:hover {
            color: var(--accent-glow);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-visual {
                order: -1;
            }

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

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

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

            .nav-links {
                gap: 20px;
            }
        }

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

            .mobile-toggle {
                display: block;
            }

            .mobile-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                border-bottom: 1px solid var(--border-color);
                padding: 20px 24px;
                flex-direction: column;
                gap: 16px;
                z-index: 55;
            }

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

            .mobile-menu a {
                color: var(--text-secondary);
                font-size: 1rem;
                font-weight: 500;
                padding: 10px 0;
            }

            .mobile-menu a.active {
                color: var(--accent-glow);
            }

            .benefits-grid,
            .testimonials-grid,
            .info-grid {
                grid-template-columns: 1fr;
            }

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

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

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

            .section-header h2 {
                font-size: 1.7rem;
            }

            .cta-box {
                padding: 32px 24px;
            }

            .sticky-cta-bar .container {
                flex-direction: column;
                text-align: center;
            }

            .tip-item {
                flex-direction: column;
            }

            .ba-card.after {
                transform: scale(1.02);
            }
        }

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

            .hero {
                padding: 110px 0 50px;
            }

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

            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

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

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

            .fab {
                left: 16px;
                bottom: 90px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }