/* roulang page: index */
:root {
            --color-bg: #0F0C20;
            --color-bg-secondary: #0B1A30;
            --color-accent: #CCFF00;
            --color-accent-secondary: #00F0FF;
            --color-text: #FFFFFF;
            --color-muted: #A6ACAF;
            --color-border: rgba(204, 255, 0, 0.15);
            --color-card-bg: rgba(15, 12, 32, 0.85);
            --color-danger: #FF007F;
            --color-gold: #FFD700;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-accent: 0 0 20px rgba(204, 255, 0, 0.25);
            --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: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 100%);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 25% 25%, rgba(0, 240, 255, 0.05) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(204, 255, 0, 0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            position: relative;
            z-index: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        .text-accent { color: var(--color-accent); }
        .text-cyan { color: var(--color-accent-secondary); }
        .text-muted { color: var(--color-muted); }
        .bg-accent { background-color: var(--color-accent); }
        .bg-cyan { background-color: var(--color-accent-secondary); }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
            min-width: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-bg);
            font-weight: 900;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .primary {
            font-size: 1.1rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo-text .secondary {
            font-size: 0.7rem;
            color: var(--color-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-muted);
            position: relative;
            padding: 0.5rem 0;
            white-space: nowrap;
            transition: color 0.3s ease;
        }

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

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 0.6rem 1.25rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }

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

        .btn-signup {
            padding: 0.6rem 1.5rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-bg);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: var(--shadow-accent);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.4);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 0.5rem 0.75rem;
            color: var(--color-text);
            font-size: 1.25rem;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: rgba(15, 12, 32, 0.98);
            border-top: 1px solid var(--color-border);
            padding: 1rem 1.5rem;
            gap: 0.5rem;
        }

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

        .mobile-menu a {
            padding: 0.75rem 0;
            font-weight: 500;
            color: var(--color-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .mobile-menu .btn-login, .mobile-menu .btn-signup {
            display: block;
            text-align: center;
            margin-top: 0.5rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 72px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.92) 0%, rgba(11, 26, 48, 0.88) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            padding: 4rem 0 8rem;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            color: var(--color-text);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 650px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }

        .btn-primary {
            padding: 1rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-bg);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: var(--shadow-accent);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.5);
        }

        .btn-secondary {
            padding: 1rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(204, 255, 0, 0.05);
        }

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

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

        .hero-stat .number {
            font-size: 1.75rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: -0.02em;
        }

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

        /* Section Base */
        .section {
            padding: 5rem 0;
            position: relative;
            z-index: 1;
        }

        .section-header {
            margin-bottom: 3rem;
            max-width: 700px;
        }

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

        .section-title {
            font-size: clamp(1.75rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* Countdown */
        .countdown-bar {
            background: linear-gradient(90deg, var(--color-danger), #FF4500, var(--color-danger));
            padding: 0.75rem 1.5rem;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            position: relative;
            z-index: 99;
            margin-top: 72px;
        }

        .countdown-bar span {
            font-weight: 800;
            color: var(--color-gold);
        }

        /* Brand Story */
        .brand-story-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .story-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

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

        .story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(204, 255, 0, 0.1));
            pointer-events: none;
        }

        .story-content .section-title {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
        }

        .story-points {
            list-style: none;
            margin-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .story-points li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            color: var(--color-muted);
            font-size: 1rem;
            line-height: 1.6;
        }

        .story-points li i {
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }

        /* Featured Content Cards */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

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

        .featured-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
            border-color: var(--color-accent-secondary);
        }

        .featured-card .card-image {
            height: 200px;
            overflow: hidden;
        }

        .featured-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .featured-card .card-body {
            padding: 1.5rem;
        }

        .featured-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }

        .featured-card .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }

        .featured-card .card-desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* Testimonials */
        .testimonial-section {
            background: rgba(0, 240, 255, 0.02);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testimonial-bubble {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            position: relative;
        }

        .testimonial-bubble::before {
            content: '"';
            position: absolute;
            top: 0.5rem;
            left: 1rem;
            font-size: 4rem;
            color: rgba(204, 255, 0, 0.1);
            font-weight: 900;
            line-height: 1;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            position: relative;
            z-index: 1;
            margin-bottom: 1rem;
        }

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

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-bg);
        }

        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
        }

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

        /* News Section */
        .news-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.25rem;
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
        }

        .news-item:hover {
            border-color: var(--color-accent-secondary);
            transform: translateX(5px);
        }

        .news-item .news-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            min-width: 80px;
            padding-top: 0.25rem;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 1rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

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

        .news-item .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        .news-item .news-category {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-accent-secondary);
            background: rgba(0, 240, 255, 0.1);
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            margin-bottom: 0.5rem;
        }

        .news-sidebar {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-accent);
        }

        .news-sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .news-sidebar-list li {
            padding-bottom: 0.75rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .news-sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

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

        .news-sidebar-list a:hover {
            color: var(--color-accent);
        }

        .no-posts {
            color: var(--color-muted);
            font-size: 0.95rem;
            padding: 1rem;
            text-align: center;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-sm);
        }

        /* Timeline */
        .timeline-section {
            background: rgba(204, 255, 0, 0.02);
        }

        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-secondary));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 2rem;
            padding-left: 2rem;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid var(--color-bg);
            box-shadow: 0 0 10px rgba(204, 255, 0, 0.5);
        }

        .timeline-item .time {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-accent);
            margin-bottom: 0.5rem;
        }

        .timeline-item .title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .timeline-item .desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* Pricing */
        .pricing-section {
            background: rgba(255, 255, 255, 0.02);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .pricing-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .pricing-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-accent);
        }

        .pricing-card.featured .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            color: var(--color-bg);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 1rem;
            border-radius: 9999px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
        }

        .pricing-card .plan-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .pricing-card .plan-price {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
            margin-bottom: 1rem;
        }

        .pricing-card .plan-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-muted);
        }

        .pricing-card .plan-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .pricing-card .plan-features li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            color: var(--color-muted);
        }

        .pricing-card .plan-features li i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        .btn-pricing {
            width: 100%;
            padding: 0.75rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-bg);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            text-align: center;
            display: block;
        }

        .btn-pricing:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        /* Progress */
        .progress-section {
            background: rgba(0, 240, 255, 0.02);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .progress-item {
            display: flex;
            align-items: center;
            gap: 1.25rem;
        }

        .progress-step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--color-bg);
            flex-shrink: 0;
        }

        .progress-info {
            flex: 1;
        }

        .progress-info .label {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }

        .progress-info .desc {
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        .progress-bar-bg {
            flex: 1;
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            overflow: hidden;
            min-width: 100px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
            border-radius: 9999px;
            transition: width 0.5s ease;
        }

        /* Subscribe CTA */
        .subscribe-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.05), rgba(0, 240, 255, 0.05));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
        }

        .subscribe-section .section-title {
            margin-bottom: 0.75rem;
        }

        .subscribe-form {
            display: flex;
            gap: 0.75rem;
            max-width: 500px;
            margin: 1.5rem auto 0;
        }

        .subscribe-form input {
            flex: 1;
            padding: 0.875rem 1.5rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-text);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
        }

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

        .subscribe-form button {
            padding: 0.875rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-bg);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .subscribe-form button:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.85), rgba(15, 12, 32, 0.85)), linear-gradient(135deg, var(--color-accent), var(--color-accent-secondary));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fab-float 3s ease-in-out infinite;
        }

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

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            animation-play-state: paused;
        }

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

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

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

        /* Footer */
        .site-footer {
            background: rgba(15, 12, 32, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 3rem 0 2rem;
            position: relative;
            z-index: 1;
        }

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

        .footer-brand .logo-text .primary {
            font-size: 1.25rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.7;
            margin-top: 1rem;
        }

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

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--color-muted);
        }

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

        .footer-badge {
            padding: 0.4rem 0.9rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-grid, .testimonial-grid, .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .story-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

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

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

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 0.5rem;
            }

            .btn-login, .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.85rem;
            }

            .hero-section {
                min-height: auto;
                padding-top: 60px;
            }

            .hero-content {
                padding: 3rem 0 6rem;
            }

            .hero-stats {
                gap: 1.5rem;
            }

            .section {
                padding: 3rem 0;
            }

            .featured-grid, .testimonial-grid, .pricing-grid {
                grid-template-columns: 1fr;
            }

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

            .news-item {
                flex-direction: column;
                gap: 0.5rem;
            }

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

            .timeline {
                padding-left: 1.5rem;
            }

            .timeline-item {
                padding-left: 1.5rem;
            }

            .timeline-item::before {
                left: -1.5rem;
            }

            .subscribe-section {
                padding: 2rem 1.5rem;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form button {
                width: 100%;
            }

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

            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .logo-text .primary {
                font-size: 0.9rem;
            }

            .logo-text .secondary {
                font-size: 0.6rem;
            }

            .header-inner {
                height: 60px;
            }

            .countdown-bar {
                margin-top: 60px;
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }

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

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

            .hero-actions {
                flex-direction: column;
            }

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

            .hero-stats {
                flex-direction: column;
                gap: 1rem;
            }

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

            .featured-card .card-image {
                height: 160px;
            }

            .pricing-card {
                padding: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --red: #D32F2F;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-dark: #A8D5C5;
            --charcoal: #1A1A1A;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 10px rgba(0,0,0,0.12);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.18);
            --shadow-gold: 0 4px 20px rgba(255,215,0,0.3);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--white);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button, input, textarea, select {
            font: inherit;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-pad {
            padding: 70px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }
        .bg-forest {
            background: var(--bg-forest);
        }
        .bg-deep {
            background: var(--bg-deep);
        }
        .text-gold {
            color: var(--gold);
        }
        .text-mint {
            color: var(--mint);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,215,0,0.15);
            border: 1px solid rgba(255,215,0,0.5);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .badge-red {
            background: rgba(211,47,47,0.2);
            border-color: rgba(211,47,47,0.6);
            color: #FF8A8A;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 999px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            letter-spacing: 0.02em;
            text-align: center;
        }
        .btn-gold {
            background: var(--gold);
            color: #1A1A1A;
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: #FFE44D;
            border-color: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255,215,0,0.45);
        }
        .btn-outline-gold {
            background: transparent;
            border-color: var(--gold);
            color: var(--gold);
        }
        .btn-outline-gold:hover {
            background: rgba(255,215,0,0.1);
            border-color: #FFE44D;
            color: #FFE44D;
        }
        .btn-red {
            background: var(--red);
            color: var(--white);
            border-color: var(--red);
        }
        .btn-red:hover {
            background: #B71C1C;
            border-color: #B71C1C;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(211,47,47,0.4);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255,255,255,0.35);
            color: var(--white);
        }
        .btn-ghost:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.6);
        }
        .card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .card:hover {
            border-color: rgba(255,215,0,0.5);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-gold-border {
            border: 1px solid rgba(255,215,0,0.35);
        }
        .card-gold-border:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }
        .divider {
            width: 60px;
            height: 4px;
            background: var(--gold);
            border-radius: 999px;
            margin: 18px 0 24px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: var(--white);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--mint);
            max-width: 680px;
            line-height: 1.65;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--gold);
            color: #1A1A1A;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 1.2rem;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text .primary {
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--white);
        }
        .logo-text .secondary {
            font-size: 0.7rem;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.92rem;
            color: rgba(255,255,255,0.75);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255,255,255,0.08);
            color: var(--white);
        }
        .main-nav a.active {
            background: rgba(255,215,0,0.18);
            color: var(--gold);
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10,46,28,0.9);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,215,0,0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }
        .hero-section {
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #0A2E1C 0%, #0E3A24 50%, #123E25 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: -200px;
            right: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,215,0,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.4);
            color: var(--gold);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 8px 18px;
            border-radius: 999px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 22px;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--white);
        }
        .hero-title .highlight {
            color: var(--gold);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--mint);
            max-width: 560px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold);
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--mint);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual img {
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0,0,0,0.45);
            border: 1px solid rgba(255,215,0,0.3);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 22px;
            margin-top: 40px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
            transition: var(--transition);
        }
        .feature-item:hover {
            background: rgba(255,255,255,0.06);
            border-color: rgba(255,215,0,0.35);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(255,215,0,0.12);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--white);
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--mint);
            line-height: 1.6;
        }
        .rule-section {
            background: var(--bg-deep);
        }
        .rule-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 50px;
        }
        .rule-block.reverse {
            direction: rtl;
        }
        .rule-block.reverse > * {
            direction: ltr;
        }
        .rule-block img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255,215,0,0.25);
        }
        .rule-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--white);
        }
        .rule-content p {
            color: var(--mint);
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.7;
        }
        .rule-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .rule-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 10px 0;
            color: var(--mint);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            font-size: 0.95rem;
        }
        .rule-list li i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 0.8rem;
        }
        .table-wrap {
            overflow-x: auto;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.1);
            margin-top: 30px;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .table-wrap th {
            background: rgba(255,215,0,0.1);
            color: var(--gold);
            font-weight: 700;
            padding: 16px 20px;
            text-align: left;
            font-size: 0.9rem;
        }
        .table-wrap td {
            padding: 14px 20px;
            color: var(--mint);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            font-size: 0.9rem;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 36px;
        }
        .step-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(255,215,0,0.45);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--gold);
            opacity: 0.25;
            position: absolute;
            top: 12px;
            right: 18px;
            line-height: 1;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--white);
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--mint);
            line-height: 1.6;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 30px;
        }
        .faq-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255,215,0,0.4);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            color: var(--white);
            font-size: 1rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i {
            color: var(--gold);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--mint);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #0E3A24 60%, #123E25 100%);
            border-top: 1px solid rgba(255,215,0,0.25);
            border-bottom: 1px solid rgba(255,215,0,0.25);
        }
        .cta-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: var(--mint);
            max-width: 500px;
        }
        .site-footer {
            background: #081F13;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            color: var(--mint);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 380px;
        }
        .footer-col h4 {
            color: var(--gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--mint);
            font-size: 0.9rem;
        }
        .footer-col ul a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-badge {
            background: rgba(255,215,0,0.1);
            border: 1px solid rgba(255,215,0,0.3);
            color: var(--gold);
            padding: 6px 14px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.75rem;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0D1F16;
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            opacity: 0.7;
            animation: floatY 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0D1F16;
            animation: blink 1.2s infinite;
        }
        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual img {
                max-width: 340px;
                margin: 0 auto;
            }
            .rule-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .rule-block.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10,46,28,0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                border-bottom: 1px solid rgba(255,215,0,0.2);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
            }
            .header-actions .btn-ghost {
                display: none;
            }
            .section-pad {
                padding: 50px 0;
            }
            .section-pad-sm {
                padding: 36px 0;
            }
            .hero-section {
                padding: 110px 0 60px;
            }
            .hero-stats {
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0E3420;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8BB8A5;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.12);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --container-max: 1200px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            background-image: radial-gradient(ellipse at 20% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
                              radial-gradient(ellipse at 80% 80%, rgba(211, 47, 47, 0.05) 0%, transparent 50%);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 14px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            cursor: pointer;
            transition: var(--transition);
        }

        .logo:hover {
            transform: translateY(-1px);
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #B8860B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-primary);
            font-size: 20px;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text .primary {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
        }

        .logo-text .secondary {
            font-size: 0.72rem;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

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

        .main-nav a.active {
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #E6C200);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

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

        .btn-login {
            padding: 9px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .btn-signup {
            padding: 9px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
            background: linear-gradient(135deg, #FFE44D, #FFD700);
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.2);
        }

        /* Hero Section - Article */
        .article-hero {
            position: relative;
            padding: 70px 0 50px;
            background: linear-gradient(180deg, rgba(18, 62, 37, 0.6) 0%, var(--bg-primary) 100%);
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .article-hero .container {
            position: relative;
            z-index: 1;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .article-breadcrumb .separator {
            color: var(--accent-gold);
            opacity: 0.5;
        }

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

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .article-category-tag i {
            font-size: 0.75rem;
        }

        .article-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
            max-width: 850px;
            color: var(--text-primary);
        }

        .article-hero h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        /* Article Content */
        .article-content-wrapper {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 40px;
            padding: 50px 0 70px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-cover-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-gold);
            position: relative;
        }

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

        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 16px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin: 32px 0 14px;
            line-height: 1.3;
        }

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

        .article-body ul, .article-body ol {
            margin: 0 0 20px 24px;
            color: var(--text-secondary);
        }

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

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

        .article-body a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: #FFE44D;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }

        .article-body table th {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-gold);
        }

        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }

        /* Article Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid rgba(255, 215, 0, 0.2);
            box-shadow: var(--shadow-card);
        }

        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-widget h3 i {
            font-size: 0.9rem;
        }

        .sidebar-post-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-post-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .sidebar-post-list li a:hover {
            background: rgba(255, 215, 0, 0.06);
            border-color: var(--border-gold);
        }

        .sidebar-post-list .thumb {
            width: 56px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            border: 1px solid var(--border-gold);
        }

        .sidebar-post-list .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .sidebar-post-list .info .title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-post-list .info .date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--accent-red), #8B0000);
            border: none;
            text-align: center;
        }

        .sidebar-cta h3 {
            color: #FFF;
            justify-content: center;
        }

        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .btn-sidebar-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
            max-width: 600px;
            margin: 0 auto;
        }

        .not-found-state .icon {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 24px;
            opacity: 0.6;
        }

        .not-found-state h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .not-found-state p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }

        /* Footer */
        .site-footer {
            background: #082114;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
            position: relative;
        }

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

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        .footer-badge {
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
        }

        .footer-badge.red {
            background: rgba(211, 47, 47, 0.15);
            border-color: rgba(211, 47, 47, 0.4);
            color: #FF6B6B;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A3D2A, #0A2E1C);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: var(--transition);
            animation: fabBreath 3s ease-in-out infinite;
            cursor: pointer;
            position: relative;
        }

        .fab-left::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: blinkDot 1.5s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1) rotate(360deg);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

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

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .article-content-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 14px 20px;
                font-size: 1rem;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 0.82rem;
            }

            .article-hero {
                padding: 50px 0 35px;
            }

            .article-hero h1 {
                font-size: clamp(1.7rem, 6vw, 2.4rem);
            }

            .article-content-wrapper {
                padding: 35px 0 50px;
            }

            .article-body {
                font-size: 1rem;
            }

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

            .article-body h3 {
                font-size: 1.2rem;
            }

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

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

            .fab-left {
                width: 50px;
                height: 50px;
                left: 14px;
                bottom: 70px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 10px 0;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }

            .logo-text .primary {
                font-size: 1rem;
            }

            .logo-text .secondary {
                font-size: 0.65rem;
            }

            .btn-login {
                padding: 7px 12px;
                font-size: 0.78rem;
            }

            .btn-signup {
                padding: 7px 14px;
                font-size: 0.78rem;
            }

            .article-hero {
                padding: 40px 0 30px;
            }

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

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

            .sidebar-widget {
                padding: 18px;
            }

            .article-cover-image {
                border-radius: var(--radius-md);
                margin-bottom: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.4);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.4);
            --radius-card: 16px;
            --radius-btn: 10px;
            --spacing-section: 4rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

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

        button, input, textarea, select {
            font-family: inherit;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 8px 30px rgba(0,0,0,0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 16px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.02em;
            color: var(--text-white);
            transition: opacity 0.3s;
        }
        .logo:hover { opacity: 0.85; }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #1E0B36, #0B1A30);
            border: 1.5px solid var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            font-size: 1.2rem;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-text .primary {
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
        }
        .logo-text .secondary {
            font-size: 0.75rem;
            color: var(--text-silver);
            letter-spacing: 0.3px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #CBD5E1;
            transition: all 0.25s;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .nav-links a.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.08);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        .nav-auth .btn-login {
            color: #CBD5E1;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-auth .btn-login:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }
        .nav-auth .btn-signup {
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(204, 255, 0, 0.3);
        }
        .nav-auth .btn-signup:hover {
            background: #e0ff33;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(204, 255, 0, 0.5);
        }

        /* Hero Section */
        .hero-category {
            padding: 3.5rem 0 3rem;
            position: relative;
            background: radial-gradient(ellipse at 70% 20%, rgba(0,240,255,0.12) 0%, transparent 55%),
                        radial-gradient(ellipse at 20% 80%, rgba(204,255,0,0.08) 0%, transparent 50%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
            color: #fff;
            text-wrap: balance;
        }
        .hero-content h1 span {
            color: var(--accent-cyan);
            border-bottom: 3px solid var(--accent-lime);
        }
        .hero-sub {
            font-size: 1.2rem;
            color: #D1D5DB;
            margin-bottom: 2rem;
            max-width: 600px;
            line-height: 1.6;
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        .btn-primary-hero {
            background: var(--accent-cyan);
            color: #0F0C20;
            font-weight: 800;
            padding: 14px 28px;
            border-radius: 10px;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s;
            box-shadow: 0 6px 20px rgba(0,240,255,0.35);
        }
        .btn-primary-hero:hover {
            background: #33f5ff;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0,240,255,0.55);
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-visual img {
            border-radius: 20px;
            border: 2px solid rgba(0, 240, 255, 0.5);
            box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 40px rgba(0,240,255,0.2);
            width: 100%;
            max-width: 420px;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .hero-badge {
            position: absolute;
            bottom: 20px;
            left: -10px;
            background: #CCFF00;
            color: #0F0C20;
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 800;
            font-size: 0.85rem;
            box-shadow: 0 8px 20px rgba(204,255,0,0.4);
            letter-spacing: 0.3px;
        }

        /* Section Base */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-head {
            margin-bottom: 2.5rem;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 0.6rem;
            text-align: left;
        }
        .section-head p {
            color: #B0B8C5;
            font-size: 1.05rem;
            max-width: 700px;
            text-align: left;
        }
        .section-divider {
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Tips Cards - Editorial Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            align-items: stretch;
        }
        .tip-card {
            background: rgba(11, 26, 48, 0.7);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.35s;
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime));
            opacity: 0;
            transition: opacity 0.3s;
        }
        .tip-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-6px);
            box-shadow: var(--shadow-neon);
        }
        .tip-card:hover::before {
            opacity: 1;
        }
        .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0,240,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
        }
        .tip-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #fff;
        }
        .tip-card p {
            color: #B9C2CF;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Scenario Section */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: rgba(11, 26, 48, 0.5);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid rgba(0,240,255,0.15);
        }
        .scenario-text h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #fff;
        }
        .scenario-text p {
            color: #C6CED9;
            font-size: 1rem;
            margin-bottom: 1.2rem;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
        }
        .scenario-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            color: #D1D9E3;
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .scenario-list li i {
            color: var(--accent-lime);
            margin-top: 4px;
        }
        .scenario-img {
            border-radius: 18px;
            overflow: hidden;
            border: 2px solid rgba(0,240,255,0.3);
        }
        .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* Pro Tips / Advanced */
        .pro-tips {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pro-item {
            padding: 24px;
            background: rgba(15,12,32,0.8);
            border-left: 4px solid var(--accent-lime);
            border-radius: 0 12px 12px 0;
        }
        .pro-item h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
            color: #fff;
        }
        .pro-item p {
            color: #B8C1CD;
            font-size: 0.95rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0;
        }
        .faq-item {
            background: rgba(11,26,48,0.6);
            border: 1px solid rgba(0,240,255,0.15);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
            transition: background 0.25s;
        }
        .faq-question:hover {
            background: rgba(0,240,255,0.05);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: #B9C2CF;
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255,255,255,0.05);
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-question i {
            transition: transform 0.3s;
            color: var(--accent-cyan);
        }

        /* CTA Section */
        .cta-box {
            background: linear-gradient(145deg, #0B1A30, #1E0B36);
            border: 2px solid rgba(204,255,0,0.4);
            border-radius: 24px;
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0,240,255,0.15), transparent 70%);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
            z-index: 1;
            position: relative;
        }
        .cta-box p {
            color: #C9D4E0;
            font-size: 1.1rem;
            z-index: 1;
            position: relative;
        }
        .btn-cta-large {
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 800;
            padding: 16px 32px;
            border-radius: 12px;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s;
            z-index: 1;
            position: relative;
            box-shadow: 0 10px 30px rgba(204,255,0,0.4);
        }
        .btn-cta-large:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(204,255,0,0.6);
            background: #e0ff33;
        }

        /* Footer */
        .site-footer {
            background: #0B1A30;
            border-top: 2px solid rgba(0,240,255,0.2);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-desc {
            color: #B0BAC7;
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #A6B2C0;
            font-size: 0.9rem;
            transition: color 0.25s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #9AA5B5;
        }
        .footer-badges {
            display: flex;
            gap: 10px;
        }
        .footer-badge {
            background: rgba(204,255,0,0.1);
            border: 1px solid rgba(204,255,0,0.4);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
            color: var(--accent-lime);
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            border-radius: 50px;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #00F0FF;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0,240,255,0.5);
            opacity: 0.65;
            transition: all 0.3s;
            animation: neonFloat 3s ease-in-out infinite;
        }
        .fab-neon:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0,240,255,0.8);
        }
        @keyframes neonFloat {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; }
            .scenario-block { grid-template-columns: 1fr; }
            .pro-tips { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-content h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .main-nav { flex-direction: column; align-items: flex-start; }
            .nav-auth { margin-left: 0; width: 100%; justify-content: flex-start; }
            .nav-links { gap: 4px; }
            .tips-grid { grid-template-columns: 1fr; }
            .section { padding: 2.5rem 0; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-box { flex-direction: column; text-align: left; align-items: flex-start; }
            .hero-stats { gap: 16px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-content h1 { font-size: 1.8rem; }
            .btn-primary-hero { width: 100%; justify-content: center; }
            .nav-auth .btn-signup { padding: 10px 14px; }
            .nav-auth .btn-login { padding: 8px 10px; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #111827;
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: #1E293B;
            --border-accent: #0052FF;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-sans: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 15px rgba(0,240,255,0.3);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .logo-text .primary {
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .logo-text .secondary {
            font-size: 11px;
            color: var(--accent-secondary);
            font-weight: 500;
            line-height: 1.2;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .main-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.05);
        }

        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            box-shadow: 0 0 15px rgba(0,82,255,0.4);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255,255,255,0.1);
        }

        .btn-signup {
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 0 15px rgba(0,82,255,0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0,240,255,0.5);
        }

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

        .mobile-menu-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 24px;
            padding: 4px;
        }

        /* ========== FLOATING ACTION BUTTON ========== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid var(--accent-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-secondary);
            opacity: 0.6;
            transition: all var(--transition-base);
            box-shadow: 0 0 15px rgba(0,240,255,0.5);
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.8);
            animation-play-state: paused;
        }

        .fab-left:active {
            transform: scale(0.95);
            border-color: #FF007F;
            color: #FF007F;
        }

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

        /* ========== HERO BENTO ========== */
        .hero-bento {
            padding: 60px 0 40px;
            background: linear-gradient(180deg, rgba(0,82,255,0.08) 0%, transparent 40%);
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .bento-main {
            grid-column: 1 / 2;
            grid-row: 1 / 3;
            background: linear-gradient(135deg, var(--bg-secondary), #1a1f35);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .bento-main::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0,240,255,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .bento-main h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .bento-main h1 .highlight {
            background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .bento-main p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .bento-cta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            box-shadow: 0 4px 15px rgba(0,82,255,0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,240,255,0.5);
        }

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

        .btn-secondary {
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

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

        .bento-small {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .bento-small .icon-box {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(0,82,255,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent-secondary);
            margin-bottom: 12px;
        }

        .bento-small h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .bento-small p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .bento-cta-bar {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .bento-cta-bar span {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .bento-cta-bar .btn-cta {
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-primary);
            background: #fff;
            border-radius: 999px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .bento-cta-bar .btn-cta:hover {
            transform: scale(1.05);
        }

        /* ========== SECTION ========== */
        .section {
            padding: 50px 0;
        }

        .section-header {
            margin-bottom: 32px;
            text-align: left;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 640px;
        }

        .section-divider {
            border: none;
            border-top: 1px solid var(--border-color);
            margin: 0;
        }

        /* ========== COMPARISON GRID ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .compare-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .compare-card .card-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            padding: 4px 12px;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            border-radius: 999px;
            background: linear-gradient(135deg, #FF007F, #FF4500);
            color: #fff;
        }

        .compare-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0,82,255,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-secondary);
            margin-bottom: 16px;
        }

        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .compare-card ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .compare-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .compare-card ul li i {
            color: var(--accent-secondary);
            font-size: 12px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .compare-card .btn-compare {
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-secondary);
            background: transparent;
            border: 1px solid var(--accent-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .compare-card .btn-compare:hover {
            background: var(--accent-secondary);
            color: var(--bg-primary);
        }

        /* ========== STEPS ========== */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--shadow-glow);
        }

        .step-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .step-item h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== FEATURE LIST ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .feature-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .feature-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
        }

        .feature-list li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .feature-list li i {
            color: var(--accent-secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }

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

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-color);
        }

        .faq-question {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-question i {
            color: var(--accent-secondary);
            font-size: 14px;
        }

        .faq-answer {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            padding-left: 24px;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--accent-primary), #1a1f35);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,240,255,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-secondary);
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-primary {
            position: relative;
            z-index: 1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

        .footer-badge {
            padding: 6px 14px;
            font-size: 11px;
            font-weight: 700;
            border-radius: 999px;
            background: rgba(0,82,255,0.15);
            color: var(--accent-secondary);
            border: 1px solid rgba(0,240,255,0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .bento-main {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .bento-cta-bar {
                grid-column: 1 / -1;
            }
            .comparison-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
                flex-wrap: nowrap;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-secondary);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 99;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-actions {
                gap: 4px;
            }
            .btn-login {
                padding: 6px 12px;
                font-size: 13px;
            }
            .btn-signup {
                padding: 6px 16px;
                font-size: 13px;
            }
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-main {
                grid-column: 1;
                grid-row: auto;
                padding: 28px;
            }
            .bento-main h1 {
                font-size: 1.8rem;
            }
            .bento-cta-bar {
                grid-column: 1;
                flex-direction: column;
                align-items: flex-start;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .fab-left {
                bottom: 80px;
                left: 12px;
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .bento-main h1 {
                font-size: 1.5rem;
            }
            .bento-main p {
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .compare-card {
                padding: 20px;
            }
            .header-actions .btn-login {
                display: none;
            }
        }