/* roulang page: index */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* HEADER & NAV */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }

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

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-cyan);
            animation: fabPulse 2.5s ease-in-out infinite;
        }

        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 16px;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab-support:hover {
            transform: scale(1.12);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
            color: var(--accent-lime);
        }

        .fab-support .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid #07070D;
            animation: dotPulse 1.2s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: var(--shadow-cyan);
            }
            50% {
                box-shadow: 0 0 28px rgba(6, 182, 212, 0.7);
            }
        }

        @keyframes dotPulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.4);
            }
        }

        /* HERO */
        .hero-section {
            padding: 130px 0 80px;
            position: relative;
            overflow: hidden;
            background: var(--bg-secondary);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
        }

        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.25;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(163, 230, 53, 0.1);
            border: 1px solid rgba(163, 230, 53, 0.3);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-lime);
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #FFFFFF 0%, #A3E635 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 14px 30px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 0 35px rgba(163, 230, 53, 0.7);
            transform: translateY(-2px);
            color: #07070D;
        }

        .btn-outline-neon {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 14px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-smooth);
        }

        .btn-outline-neon:hover {
            background: rgba(6, 182, 212, 0.12);
            box-shadow: var(--shadow-cyan);
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-lime);
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-silver);
        }

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

        .hero-game-card {
            width: 110px;
            height: 140px;
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.1);
        }

        .hero-game-card:hover {
            transform: translateY(-8px) scale(1.04);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.35);
            border-color: var(--accent-lime);
        }

        .hero-game-card img {
            width: 100%;
            height: 85px;
            object-fit: cover;
        }

        .hero-game-card .game-label {
            padding: 6px 8px;
            font-size: 0.7rem;
            text-align: center;
            color: var(--text-silver);
            font-weight: 600;
        }

        /* SECTION STYLES */
        .section {
            padding: 70px 0;
        }

        .section-header {
            margin-bottom: 44px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 620px;
            line-height: 1.65;
        }

        /* Problem Statement */
        .problem-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .problem-card {
            background: var(--bg-card);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .problem-icon {
            width: 46px;
            height: 46px;
            background: rgba(244, 63, 94, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-pink);
            margin-bottom: 16px;
        }

        .problem-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* Demo / Preview */
        .demo-showcase {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .demo-mockup {
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px;
            position: relative;
            overflow: hidden;
        }

        .demo-mockup img {
            border-radius: 8px;
            width: 100%;
        }

        .demo-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .demo-points li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .demo-points li i {
            color: var(--accent-lime);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .demo-points li div strong {
            display: block;
            font-weight: 700;
            margin-bottom: 3px;
        }

        .demo-points li div span {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* Result preview */
        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }

        .result-card {
            background: rgba(14, 14, 30, 0.6);
            border: 1px solid rgba(6, 182, 212, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .result-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.25);
        }

        .result-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 6px;
        }

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

        /* Pain points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .pain-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border-left: 3px solid var(--accent-pink);
            transition: all var(--transition-smooth);
        }

        .pain-item:hover {
            border-left-color: var(--accent-lime);
            box-shadow: 0 0 16px rgba(244, 63, 94, 0.15);
        }

        .pain-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .pain-item p {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* Success path */
        .path-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            counter-reset: step;
        }

        .path-step {
            flex: 1 1 220px;
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.15);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .path-step:hover {
            border-color: var(--accent-lime);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.2);
        }

        .path-step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.4rem;
            font-weight: 900;
            color: rgba(163, 230, 53, 0.12);
            line-height: 1;
        }

        .path-step h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .path-step p {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* PROMO TIER */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .tier-card {
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.1);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .tier-card.featured {
            border-color: var(--accent-lime);
            box-shadow: 0 0 22px rgba(163, 230, 53, 0.25);
            transform: scale(1.03);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: 16px;
            right: -30px;
            background: var(--accent-lime);
            color: #07070D;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 4px 32px;
            transform: rotate(45deg);
        }

        .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .tier-amount {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-lime);
            margin-bottom: 10px;
        }

        .tier-desc {
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-bottom: 18px;
        }

        .btn-tier {
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .btn-tier:hover {
            background: rgba(6, 182, 212, 0.12);
            box-shadow: var(--shadow-cyan);
        }

        /* MILESTONE */
        .milestone-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }

        .milestone-row::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 20px;
            right: 20px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime), var(--accent-cyan));
            z-index: 0;
        }

        .milestone-item {
            flex: 1 1 180px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 10px;
        }

        .milestone-dot {
            width: 16px;
            height: 16px;
            background: var(--accent-lime);
            border-radius: 50%;
            margin: 0 auto 12px;
            box-shadow: 0 0 14px rgba(163, 230, 53, 0.6);
        }

        .milestone-year {
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 4px;
        }

        .milestone-text {
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        /* VERSION UPDATE */
        .changelog-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .changelog-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            border: 1px solid rgba(6, 182, 212, 0.08);
        }

        .changelog-version {
            font-weight: 800;
            color: var(--accent-cyan);
            white-space: nowrap;
            font-size: 0.85rem;
        }

        .changelog-desc {
            font-size: 0.9rem;
            color: var(--text-silver);
        }

        /* FLOATING CTA BAR */
        .float-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 95;
            background: rgba(7, 7, 13, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(163, 230, 53, 0.2);
            padding: 12px 0;
            display: none;
            align-items: center;
            justify-content: center;
            gap: 20px;
        }

        .float-cta-bar.visible {
            display: flex;
        }

        .float-cta-text {
            font-weight: 700;
            font-size: 0.9rem;
        }

        .float-cta-bar .btn-primary-glow {
            padding: 10px 22px;
            font-size: 0.85rem;
        }

        /* NEWS SECTION */
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.08);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            border-color: var(--accent-lime);
            box-shadow: 0 0 12px rgba(163, 230, 53, 0.15);
        }

        .news-thumb {
            width: 90px;
            height: 70px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.35;
        }

        .news-info .news-meta {
            font-size: 0.75rem;
            color: var(--text-silver);
        }

        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid rgba(6, 182, 212, 0.1);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }

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

        .news-side-list li a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-silver);
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color var(--transition-fast);
        }

        .news-side-list li a:hover {
            color: var(--accent-lime);
        }

        /* BEFORE/AFTER */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .compare-col {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid rgba(244, 63, 94, 0.15);
        }

        .compare-col.after {
            border-color: rgba(163, 230, 53, 0.25);
        }

        .compare-col h3 {
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .compare-col ul li {
            font-size: 0.9rem;
            color: var(--text-silver);
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }

        .compare-col ul li i {
            margin-top: 4px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(163, 230, 53, 0.06) 100%);
            border: 1px solid rgba(163, 230, 53, 0.15);
            border-radius: var(--radius-lg);
            padding: 50px 36px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* FOOTER */
        .site-footer {
            background: rgba(7, 7, 13, 0.95);
            border-top: 1px solid rgba(163, 230, 53, 0.1);
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--accent-lime);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-silver);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.8rem;
            color: var(--text-silver);
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
            justify-content: center;
        }

        .footer-badge {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 6px 12px;
            font-size: 0.7rem;
            color: var(--text-silver);
        }

        /* MOBILE */
        @media (max-width: 1024px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-bg-image {
                width: 100%;
                opacity: 0.12;
            }
            .demo-showcase {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(163, 230, 53, 0.15);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .float-cta-bar {
                flex-direction: column;
                gap: 10px;
                padding: 14px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 110px 0 50px;
            }
            .btn-primary-glow,
            .btn-outline-neon {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .tier-card.featured {
                transform: none;
            }
            .milestone-row::before {
                display: none;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
            position: relative;
            padding-top: 68px;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
            z-index: 101;
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }

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

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
            z-index: 101;
        }

        .article-hero {
            padding: 50px 0 30px;
            position: relative;
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-neon);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 30% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            color: var(--text-silver);
            font-size: 0.85rem;
        }

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

        .article-meta .meta-item i {
            color: var(--accent-cyan);
        }

        .article-category-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            font-weight: 600;
            font-size: 0.8rem;
            border: 1px solid rgba(163, 230, 53, 0.3);
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 0;
            color: var(--text-white);
            text-shadow: 0 0 20px rgba(163, 230, 53, 0.2);
        }

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

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid rgba(163, 230, 53, 0.1);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
        }

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

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(163, 230, 53, 0.2);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--accent-lime);
            margin: 20px 0 10px;
        }

        .article-body p {
            margin-bottom: 15px;
        }

        .article-body ul,
        .article-body ol {
            margin: 15px 0;
            padding-left: 25px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body strong {
            color: var(--text-white);
        }

        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-body a:hover {
            color: var(--accent-lime);
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-lime);
            padding: 15px 20px;
            margin: 20px 0;
            background: rgba(163, 230, 53, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-white);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
        }

        .article-sidebar {
            position: sticky;
            top: 88px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 25px;
            border: 1px solid rgba(163, 230, 53, 0.1);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-card);
        }

        .sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(163, 230, 53, 0.2);
        }

        .sidebar-post-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .sidebar-post-thumb {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-secondary);
        }

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

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

        .sidebar-post-info a {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-post-info a:hover {
            color: var(--accent-lime);
        }

        .sidebar-post-date {
            font-size: 0.75rem;
            color: var(--text-silver);
            margin-top: 4px;
        }

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

        .sidebar-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            border: 1px solid rgba(6, 182, 212, 0.3);
            transition: all var(--transition-fast);
        }

        .sidebar-tag:hover {
            background: rgba(6, 182, 212, 0.2);
            color: var(--accent-cyan);
        }

        .not-found-section {
            padding: 80px 0;
            text-align: center;
        }

        .not-found-section .icon-large {
            font-size: 4rem;
            color: var(--accent-lime);
            margin-bottom: 20px;
            display: block;
        }

        .not-found-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 15px;
        }

        .not-found-section p {
            color: var(--text-silver);
            margin-bottom: 25px;
            font-size: 1.1rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
        }

        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.7);
            transform: translateY(-2px);
            color: #07070D;
        }

        .cta-section {
            padding: 60px 0;
            text-align: center;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-neon);
            border-bottom: 1px solid var(--border-neon);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 15px;
        }

        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 25px;
            font-size: 1.05rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-section {
            padding: 60px 0;
        }

        .faq-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 40px;
            text-align: left;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(163, 230, 53, 0.1);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: rgba(163, 230, 53, 0.3);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.1);
        }

        .faq-question {
            padding: 20px 25px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition-fast);
            user-select: none;
        }

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

        .faq-question i {
            font-size: 1rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
        }

        .faq-answer {
            padding: 0 25px 20px;
            color: var(--text-silver);
            line-height: 1.7;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

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

        .site-footer {
            padding: 60px 0 30px;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(163, 230, 53, 0.1);
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 15px;
        }

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

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

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

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

        .footer-bottom {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-bottom p {
            color: var(--text-silver);
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .footer-badges {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .footer-badge {
            padding: 5px 14px;
            border-radius: 20px;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(6, 182, 212, 0.3);
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-lime);
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-smooth);
            animation: fabPulse 3s ease-in-out infinite;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 16px;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
            color: var(--accent-cyan);
        }

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

        @keyframes fabPulse {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            }
            50% {
                box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            }
        }

        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

            .main-nav {
                gap: 2px;
            }

            .main-nav a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                height: 60px;
            }

            body {
                padding-top: 60px;
            }

            .mobile-toggle {
                display: block;
            }

            .main-nav {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(7, 7, 13, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 15px;
                transform: translateX(-100%);
                transition: transform var(--transition-smooth);
                z-index: 99;
            }

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

            .main-nav a {
                font-size: 1.2rem;
                padding: 12px 24px;
            }

            .btn-login,
            .btn-signup {
                font-size: 0.8rem;
                padding: 7px 14px;
            }

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

            .article-main {
                padding: 20px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-badges {
                gap: 8px;
            }

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

            .fab-left::before {
                border-radius: 14px;
            }

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

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

        @media screen and (max-width: 520px) {
            .logo {
                font-size: 1rem;
            }

            .article-hero h1 {
                font-size: 1.3rem;
            }

            .article-body {
                font-size: 0.95rem;
            }

            .article-body h2 {
                font-size: 1.3rem;
            }

            .article-meta {
                font-size: 0.75rem;
                gap: 8px;
            }

            .btn-signup {
                padding: 7px 14px;
                font-size: 0.75rem;
            }

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

            .cta-section {
                padding: 40px 0;
            }

            .faq-question {
                font-size: 0.95rem;
                padding: 15px 18px;
            }

            .faq-answer {
                padding: 0 18px 15px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* HEADER & NAV */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
        }

        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }

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

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
            color: var(--accent-lime);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }

        /* HERO */
        .category-hero {
            padding: 140px 0 70px;
            position: relative;
            background: linear-gradient(180deg, rgba(6, 182, 212, 0.06) 0%, transparent 100%);
        }

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

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-white);
            text-shadow: 0 0 30px rgba(163, 230, 53, 0.2);
        }

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

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

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

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

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

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

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 0 35px rgba(163, 230, 53, 0.7);
            transform: translateY(-2px);
            color: #07070D;
        }

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

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 0 40px rgba(6, 182, 212, 0.2), var(--shadow-card);
            border: 1px solid var(--border-neon);
        }

        /* SECTION */
        .section {
            padding: 70px 0;
            position: relative;
            z-index: 1;
        }

        .section-dark {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        .section-header {
            margin-bottom: 45px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(163, 230, 53, 0.1);
            color: var(--accent-lime);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            border: 1px solid var(--border-neon);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .section-desc {
            color: var(--text-silver);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 650px;
        }

        /* CARDS */
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .card-glass:hover {
            border-color: var(--border-neon);
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.1);
            transform: translateY(-3px);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .card-icon.lime {
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
        }

        .card-icon.cyan {
            background: rgba(6, 182, 212, 0.12);
            color: var(--accent-cyan);
        }

        .card-icon.pink {
            background: rgba(244, 63, 94, 0.12);
            color: var(--accent-pink);
        }

        .card-glass h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

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

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

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            align-items: center;
        }

        /* STRATEGY STEPS */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            min-width: 44px;
            border-radius: 50%;
            background: rgba(163, 230, 53, 0.15);
            color: var(--accent-lime);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            border: 1px solid var(--border-neon);
        }

        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-white);
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        /* INFO LIST */
        .info-list {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 0;
            overflow: hidden;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
        }

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

        .info-item:hover {
            background: rgba(163, 230, 53, 0.03);
        }

        .info-item i {
            color: var(--accent-lime);
            font-size: 1.1rem;
            width: 20px;
            text-align: center;
        }

        .info-item span {
            font-size: 0.95rem;
            color: var(--text-silver);
        }

        .info-item strong {
            color: var(--text-white);
        }

        /* TABLE */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table th {
            background: rgba(163, 230, 53, 0.08);
            padding: 14px 20px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: left;
            color: var(--accent-lime);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table td {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: var(--text-silver);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

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

        .compare-table .highlight-row {
            background: rgba(6, 182, 212, 0.05);
        }

        .table-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .table-badge.green {
            background: rgba(163, 230, 53, 0.15);
            color: var(--accent-lime);
        }

        .table-badge.cyan {
            background: rgba(6, 182, 212, 0.15);
            color: var(--accent-cyan);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 900px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.1);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-white);
            transition: all var(--transition-fast);
            background: transparent;
            width: 100%;
            text-align: left;
        }

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

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--accent-cyan);
        }

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

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

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

        .faq-answer p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* CTA BANNER */
        .cta-banner {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(163, 230, 53, 0.08) 100%);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
        }

        .cta-banner h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-banner p {
            color: var(--text-silver);
            font-size: 1rem;
            margin-bottom: 24px;
        }

        /* ARTICLE LIST */
        .article-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: all var(--transition-smooth);
        }

        .article-card:hover {
            border-color: var(--border-neon);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .article-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .article-card-body {
            padding: 18px;
        }

        .article-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .article-card-body p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-meta {
            font-size: 0.75rem;
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-card-meta i {
            color: var(--accent-cyan);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.75;
            animation: fabPulse 3s ease-in-out infinite;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
            border-color: var(--accent-cyan);
        }

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

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            border: 2px solid #07070D;
            animation: badgeBlink 1.5s ease-in-out infinite;
        }

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

        /* FOOTER */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(163, 230, 53, 0.08);
            padding: 50px 0 30px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--accent-lime);
        }

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

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

        .footer-col ul li a {
            color: var(--text-silver);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

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

        .footer-badges {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.7rem;
            color: var(--text-silver);
            letter-spacing: 0.3px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.97);
                backdrop-filter: blur(18px);
                padding: 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .article-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-item {
                flex-direction: column;
            }
            .cta-banner {
                padding: 30px 20px;
            }
            .cta-banner h2 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }
        .page-hero {
            padding: 130px 0 60px;
            position: relative;
            background: linear-gradient(180deg, rgba(6, 182, 212, 0.05) 0%, transparent 100%);
            border-bottom: 1px solid rgba(163, 230, 53, 0.08);
        }
        .page-hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .page-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            background: linear-gradient(135deg, var(--text-white) 0%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }
        .page-hero-text p {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .hero-highlight-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-cyan);
        }
        .hero-highlight-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .hero-highlight-card ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .hero-highlight-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-silver);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-highlight-card ul li i {
            color: var(--accent-lime);
        }
        .section-padding {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            margin-bottom: 40px;
        }
        .provider-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .provider-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }
        .provider-card:hover {
            transform: scale(1.05) translateY(-6px);
            border-color: var(--border-neon);
            box-shadow: 0 0 20px rgba(163, 230, 53, 0.25);
        }
        .provider-card .card-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .provider-card .card-header i {
            font-size: 2.5rem;
            color: var(--accent-cyan);
        }
        .provider-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
        }
        .provider-card .rtp-badge {
            display: inline-block;
            background: rgba(163, 230, 53, 0.15);
            color: var(--accent-lime);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .provider-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .feature-list {
            list-style: none;
            padding: 0;
        }
        .feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-silver);
        }
        .feature-list li i {
            color: var(--accent-lime);
            width: 20px;
            text-align: center;
        }
        .ranking-table-wrap {
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 10px;
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            background: transparent;
            margin: 0;
        }
        .ranking-table th {
            text-align: left;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent-lime);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            background: transparent;
        }
        .ranking-table td {
            padding: 14px 16px;
            color: var(--text-silver);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 0.95rem;
        }
        .ranking-table tr:last-child td {
            border-bottom: none;
        }
        .ranking-table .highlight {
            color: var(--accent-lime);
            font-weight: 700;
        }
        .highlight-card {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.12) 0%, rgba(163, 230, 53, 0.06) 100%);
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-cyan);
        }
        .btn-cta-glow {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .btn-cta-glow:hover {
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.7);
            transform: translateY(-2px);
            color: #07070D;
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .testimonial-card .stars i {
            color: #FACC15;
            margin-right: 3px;
        }
        .testimonial-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            margin: 12px 0;
            line-height: 1.6;
        }
        .testimonial-card .author {
            font-weight: 600;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-cyan);
        }
        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 20px;
        }
        .news-card .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .news-card .news-body p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .news-card .news-tag {
            display: inline-block;
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
        }
        .faq-section {
            background: rgba(14, 14, 30, 0.6);
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
        }
        .faq-item h4 {
            font-weight: 700;
            color: var(--accent-lime);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item p {
            color: var(--text-silver);
            margin-top: 10px;
            line-height: 1.7;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(163, 230, 53, 0.1);
            padding: 60px 0 30px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-bottom p {
            color: var(--text-silver);
            font-size: 0.85rem;
            margin: 0;
        }
        .footer-badges {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .footer-badge {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-silver);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 1024px) {
            .page-hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .page-hero-text h1 {
                font-size: 2rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                gap: 8px;
                border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
        }
        @media (max-width: 768px) {
            .provider-grid,
            .testimonial-grid,
            .news-list {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding: 50px 0;
            }
            .page-hero {
                padding: 110px 0 40px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
            margin: 0;
            padding: 0;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }
        .page-hero {
            padding: 140px 0 70px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(14, 14, 30, 0.95) 0%, rgba(7, 7, 13, 0.98) 100%);
        }
        .page-hero-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-white) 0%, var(--accent-lime) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .subtitle {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #0891b2 100%);
            color: #fff;
            padding: 14px 32px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-cyan);
            display: inline-block;
            transition: all var(--transition-smooth);
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-white);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 700px;
        }
        .promo-card {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .promo-card:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .promo-card .promo-icon {
            font-size: 2.2rem;
            color: var(--accent-lime);
            margin-bottom: 16px;
        }
        .promo-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 18px;
        }
        .promo-tag {
            display: inline-block;
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .promo-highlight {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            border: 1px solid rgba(163, 230, 53, 0.25);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .promo-highlight .highlight-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1;
        }
        .promo-highlight .highlight-label {
            font-size: 0.95rem;
            color: var(--text-silver);
            margin-top: 4px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .step-block {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 28px;
        }
        .step-number {
            min-width: 44px;
            height: 44px;
            background: var(--bg-card);
            border: 1px solid var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-cyan);
        }
        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-white);
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.6;
        }
        .faq-item {
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            padding: 18px 0;
            cursor: pointer;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            transition: transform var(--transition-fast);
            color: var(--accent-lime);
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding-top: 12px;
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.7;
        }
        .cta-banner {
            background: linear-gradient(135deg, rgba(163, 230, 53, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 48px 28px;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-white);
        }
        .cta-banner p {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 24px;
        }
        .info-card {
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.08);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }
        .info-card:hover {
            border-color: var(--border-neon);
        }
        .info-card .info-icon {
            font-size: 1.6rem;
            color: var(--accent-cyan);
            min-width: 36px;
            text-align: center;
        }
        .info-card .info-meta {
            font-size: 0.8rem;
            color: var(--accent-lime);
            font-weight: 600;
            margin-bottom: 2px;
        }
        .info-card .info-value {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
        }
        .post-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .post-card {
            background: var(--bg-card);
            border: 1px solid rgba(163, 230, 53, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .post-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .post-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .post-card-body {
            padding: 16px;
        }
        .post-card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-white);
            line-height: 1.4;
        }
        .post-card-body p {
            font-size: 0.85rem;
            color: var(--text-silver);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .post-card-body .post-meta {
            font-size: 0.75rem;
            color: var(--accent-cyan);
            font-weight: 500;
        }
        .site-footer {
            background: rgba(7, 7, 13, 0.9);
            border-top: 1px solid rgba(163, 230, 53, 0.12);
            padding: 50px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--accent-lime);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        .footer-col ul li a {
            color: var(--text-silver);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-lime);
        }
        .footer-bottom {
            border-top: 1px solid rgba(163, 230, 53, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-silver);
        }
        .footer-badges {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .footer-badge {
            background: rgba(163, 230, 53, 0.06);
            border: 1px solid rgba(163, 230, 53, 0.15);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.7rem;
            color: var(--text-silver);
            font-weight: 500;
        }
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            font-size: 1.4rem;
            box-shadow: var(--shadow-cyan);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .fab-left:hover {
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            transform: scale(1.08);
        }
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .main-nav {
                gap: 2px;
            }
            .main-nav a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.96);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-neon);
            }
            .main-nav.open {
                display: flex;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .page-hero {
                padding: 120px 0 50px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .promo-highlight {
                flex-direction: column;
                text-align: center;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .btn-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #07070D;
            --bg-secondary: #0E0E1E;
            --bg-card: rgba(14, 14, 30, 0.8);
            --accent-lime: #A3E635;
            --accent-cyan: #06B6D4;
            --accent-pink: #F43F5E;
            --text-white: #FFFFFF;
            --text-silver: #94A3B8;
            --text-laser: #F43F5E;
            --border-neon: rgba(163, 230, 53, 0.3);
            --shadow-neon: 0 0 15px rgba(163, 230, 53, 0.4);
            --shadow-cyan: 0 0 20px rgba(6, 182, 212, 0.45);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, 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;
            position: relative;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(163, 230, 53, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 50%, rgba(244, 63, 94, 0.04) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        .button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(7, 7, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(163, 230, 53, 0.1);
            transition: all var(--transition-smooth);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            text-shadow: 0 0 12px rgba(163, 230, 53, 0.5);
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-white);
            background: rgba(163, 230, 53, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-lime);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.1);
            box-shadow: var(--shadow-neon);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(163, 230, 53, 0.6);
            transform: translateY(-1px);
            color: #07070D;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
        }
        .section {
            padding: 75px 0;
            position: relative;
            z-index: 1;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 700px;
            margin-bottom: 40px;
            line-height: 1.65;
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .tag-hot {
            background: rgba(244, 63, 94, 0.15);
            color: var(--accent-pink);
            border: 1px solid rgba(244, 63, 94, 0.3);
        }
        .tag-new {
            background: rgba(6, 182, 212, 0.15);
            color: var(--accent-cyan);
            border: 1px solid rgba(6, 182, 212, 0.3);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-lime) 0%, #84cc16 100%);
            color: #07070D;
            padding: 14px 32px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(163, 230, 53, 0.7);
            transform: translateY(-2px);
            color: #07070D;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(163, 230, 53, 0.5);
            color: var(--accent-lime);
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .btn-outline:hover {
            border-color: var(--accent-lime);
            background: rgba(163, 230, 53, 0.08);
            box-shadow: var(--shadow-neon);
            color: var(--accent-lime);
        }
        .card-glass {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .card-glass:hover {
            border-color: rgba(163, 230, 53, 0.6);
            box-shadow: 0 0 35px rgba(163, 230, 53, 0.25);
            transform: translateY(-3px);
        }
        .promo-card {
            background: linear-gradient(135deg, rgba(244, 63, 94, 0.08), rgba(6, 182, 212, 0.08));
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .promo-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .badge-gold {
            background: rgba(245, 158, 11, 0.2);
            color: #F59E0B;
            border: 1px solid rgba(245, 158, 11, 0.4);
        }
        .step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: #07070D;
            font-weight: 800;
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-cyan);
        }
        .icon-block {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .icon-lime {
            background: rgba(163, 230, 53, 0.12);
            color: var(--accent-lime);
        }
        .icon-cyan {
            background: rgba(6, 182, 212, 0.12);
            color: var(--accent-cyan);
        }
        .icon-pink {
            background: rgba(244, 63, 94, 0.12);
            color: var(--accent-pink);
        }
        .neumorph-input {
            background: rgba(14, 14, 30, 0.9);
            border: 1px solid rgba(163, 230, 53, 0.2);
            border-radius: 10px;
            padding: 12px 16px;
            color: var(--text-white);
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }
        .neumorph-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-cyan);
        }
        .site-footer {
            background: rgba(7, 7, 13, 0.95);
            border-top: 1px solid rgba(163, 230, 53, 0.1);
            padding: 50px 0 30px;
            position: relative;
            z-index: 1;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-lime);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: var(--text-silver);
        }
        .footer-col a {
            color: var(--text-silver);
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            font-size: 0.8rem;
            color: var(--text-silver);
        }
        .footer-badges {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .footer-badge {
            background: rgba(163, 230, 53, 0.08);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.72rem;
            color: var(--accent-lime);
            border: 1px solid rgba(163, 230, 53, 0.2);
        }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: rgba(7, 7, 13, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-lime);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
            transition: all var(--transition-smooth);
            cursor: pointer;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 31px;
            padding: 3px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            z-index: -1;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(6, 182, 212, 0.7);
            color: var(--accent-cyan);
        }
        @keyframes fabFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }
        @media (max-width: 1024px) {
            .main-nav {
                gap: 4px;
            }
            .main-nav a {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 13, 0.95);
                flex-direction: column;
                padding: 16px 0;
                gap: 4px;
                border-bottom: 1px solid rgba(163, 230, 53, 0.1);
                display: none;
                z-index: 99;
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav a {
                width: 90%;
                justify-content: center;
                padding: 12px;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                border-radius: 24px;
                left: 12px;
                bottom: 80px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo {
                font-size: 1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .nav-actions {
                gap: 6px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-glass {
                padding: 20px;
            }
        }