/* roulang page: index */
:root {
            --emerald-950: #0A2E1C;
            --emerald-900: #123E25;
            --emerald-800: #1B5634;
            --gold-400: #FFD700;
            --gold-500: #E6BE00;
            --gold-600: #CCAA00;
            --lucky-red: #D32F2F;
            --mint: #D1F2EB;
            --white: #FFFFFF;
            --text-muted: rgba(209, 242, 235, 0.75);
            --border-gold: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 8px 32px rgba(255, 215, 0, 0.12);
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background-color: var(--emerald-950);
            color: var(--white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-alt {
            background-color: var(--emerald-900);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--white);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.65;
            margin-bottom: 40px;
        }

        .text-gold-gradient {
            background: linear-gradient(135deg, #FFD700 0%, #FFF2A8 50%, #E6BE00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 9999px;
            padding: 14px 28px;
            transition: var(--transition);
            text-align: center;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FFD700 0%, #FFC107 50%, #E6BE00 100%);
            color: #0A2E1C;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.5);
            background: linear-gradient(135deg, #FFE033 0%, #FFD700 50%, #FFBF00 100%);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--gold-400);
            border: 2px solid var(--gold-400);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE033;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-red {
            background: linear-gradient(135deg, #D32F2F 0%, #E53935 100%);
            color: #FFFFFF;
            box-shadow: 0 8px 24px rgba(211, 47, 47, 0.35);
        }
        .btn-red:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(211, 47, 47, 0.5);
            background: linear-gradient(135deg, #E53935 0%, #EF5350 100%);
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            line-height: 1.5;
        }

        .tag-hot {
            background: rgba(211, 47, 47, 0.9);
            color: #FFFFFF;
        }
        .tag-new {
            background: rgba(255, 215, 0, 0.9);
            color: #0A2E1C;
        }

        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

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

        .navbar-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--gold-400);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .navbar-logo span {
            background: linear-gradient(135deg, #FFD700, #FFF2A8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .navbar-nav a {
            padding: 8px 16px;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--mint);
            transition: var(--transition);
        }
        .navbar-nav a:hover {
            color: var(--gold-400);
            background: rgba(255, 215, 0, 0.08);
        }
        .navbar-nav a.active {
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            font-weight: 700;
        }

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

        .btn-login {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--mint);
            padding: 8px 4px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            color: var(--gold-400);
        }

        .btn-signup {
            background: linear-gradient(135deg, #FFD700, #FFC107);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: 9999px;
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 215, 0, 0.45);
            background: linear-gradient(135deg, #FFE033, #FFD700);
        }

        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
        }
        .navbar-toggle span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--gold-400);
            border-radius: 3px;
            transition: var(--transition);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(10, 46, 28, 0.98);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            padding: 20px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--mint);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            font-weight: 700;
        }
        .mobile-menu .btn-signup-mobile {
            background: linear-gradient(135deg, #FFD700, #FFC107);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 20px;
            border-radius: 9999px;
            text-align: center;
            margin-top: 8px;
        }
        .mobile-menu .btn-login-mobile {
            color: var(--mint);
            font-weight: 700;
            font-size: 1rem;
            padding: 12px 16px;
            text-align: center;
        }

        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            padding-top: 120px;
            padding-bottom: 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.88) 0%, rgba(10, 46, 28, 0.65) 50%, rgba(10, 46, 28, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--gold-400);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3.25rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--white);
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #FFD700, #FFF2A8, #E6BE00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--mint);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto 32px;
            opacity: 0.92;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-search {
            display: flex;
            align-items: center;
            max-width: 560px;
            margin: 0 auto 20px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: 9999px;
            padding: 6px;
            backdrop-filter: blur(8px);
        }
        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 12px 20px;
            color: var(--white);
            font-size: 1rem;
            outline: none;
        }
        .hero-search input::placeholder {
            color: rgba(209, 242, 235, 0.55);
        }
        .hero-search button {
            background: linear-gradient(135deg, #FFD700, #FFC107);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 9999px;
            white-space: nowrap;
        }
        .hero-search button:hover {
            background: linear-gradient(135deg, #FFE033, #FFD700);
            transform: translateY(-1px);
        }
        .hero-quick-tags {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-quick-tags a {
            padding: 6px 16px;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--mint);
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .hero-quick-tags a:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.4);
            color: var(--gold-400);
        }
        .hero-stats {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-value {
            font-size: 1.75rem;
            font-weight: 900;
            color: var(--gold-400);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .promo-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .promo-card:hover {
            border-color: rgba(255, 215, 0, 0.45);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
            background: rgba(255, 255, 255, 0.06);
        }
        .promo-card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.5rem;
        }
        .promo-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--white);
        }
        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .promo-card .promo-tag {
            position: absolute;
            top: 16px;
            right: 16px;
        }

        .content-list-section {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .content-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .content-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .content-list-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 215, 0, 0.35);
            transform: translateX(4px);
        }
        .content-list-item-num {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 8px;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold-400);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .content-list-item-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
        }
        .content-list-item-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .content-list-item-body .meta {
            font-size: 0.8rem;
            color: rgba(209, 242, 235, 0.5);
            margin-top: 6px;
        }
        .content-sidebar {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
        }
        .content-sidebar h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--gold-400);
        }
        .content-sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .content-sidebar-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--mint);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .content-sidebar-list li:last-child {
            border-bottom: none;
        }
        .content-sidebar-list .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold-400);
            min-width: 8px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(255, 255, 255, 0.06);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
        }
        .faq-question .icon {
            min-width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold-400);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            transition: var(--transition);
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .security-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 24px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .security-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
            background: rgba(255, 255, 255, 0.05);
        }
        .security-item-icon {
            width: 44px;
            height: 44px;
            min-width: 44px;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .security-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
        }
        .security-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        .app-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .app-visual {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
        }
        .app-visual img {
            max-width: 280px;
            margin: 0 auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }
        .app-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .app-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .app-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .app-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--mint);
        }
        .app-features li .check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.15);
            color: var(--gold-400);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            min-width: 22px;
        }
        .app-download-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--white);
            padding: 12px 20px;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .btn-download:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }

        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        .tier-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.4);
        }
        .tier-card.featured {
            border-color: rgba(255, 215, 0, 0.5);
            background: rgba(255, 215, 0, 0.06);
        }
        .tier-card .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #FFD700, #FFC107);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 4px 16px;
            border-radius: 9999px;
            white-space: nowrap;
        }
        .tier-name {
            font-size: 1.25rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 8px;
            color: var(--white);
        }
        .tier-price {
            font-size: 2.5rem;
            font-weight: 900;
            text-align: center;
            color: var(--gold-400);
            margin-bottom: 4px;
        }
        .tier-desc {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .tier-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
        }
        .tier-features li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--mint);
        }
        .tier-features li .check {
            color: var(--gold-400);
            font-weight: 800;
            min-width: 18px;
            text-align: center;
        }
        .tier-card .btn {
            width: 100%;
        }

        .footer {
            background: var(--emerald-900);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 56px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--gold-400);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 0.9rem;
            color: var(--mint);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(209, 242, 235, 0.5);
        }
        .footer-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--gold-400);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 9999px;
            letter-spacing: 0.04em;
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 100%);
            border: 3px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold-400);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.55);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            animation: dot-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        @media (max-width: 1024px) {
            .promo-grid,
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-list-section {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .app-section {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .security-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-title {
                font-size: 1.75rem;
            }
            .navbar-nav {
                display: none;
            }
            .navbar-actions .btn-login,
            .navbar-actions .btn-signup {
                display: inline-flex;
            }
            .navbar-toggle {
                display: flex;
            }
            .hero {
                min-height: 560px;
                padding-top: 100px;
                padding-bottom: 60px;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .promo-grid,
            .tier-grid,
            .security-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .app-visual {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 1.85rem;
            }
            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-md);
                padding: 8px;
                gap: 8px;
            }
            .hero-search input {
                width: 100%;
                text-align: center;
            }
            .hero-search button {
                width: 100%;
                border-radius: 9999px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .btn-signup {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .navbar-logo {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #111827;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Header & Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-logo span {
            white-space: nowrap;
        }

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

        .navbar-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

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

        .navbar-nav a.active {
            color: var(--accent-cyan);
        }

        .navbar-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

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

        .btn-login {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), #0099FF);
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(0, 82, 255, 0.6);
            transform: translateY(-2px);
        }

        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .navbar-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Article Layout */
        .article-page {
            padding-top: 120px;
            padding-bottom: 60px;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

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

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

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

        .article-header {
            margin-bottom: 40px;
        }

        .article-category-badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .article-header h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .article-meta-item i {
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

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

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 40px 0 20px;
            letter-spacing: -0.3px;
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 32px 0 16px;
        }

        .article-content ul, .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }

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

        .article-content img {
            border-radius: var(--radius-md);
            margin: 32px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            padding: 16px 24px;
            margin: 32px 0;
            background: rgba(0, 240, 255, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-primary);
        }

        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: #FFFFFF;
        }

        /* Article CTA Section */
        .article-cta {
            margin-top: 48px;
            padding: 40px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.08));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .article-cta-text {
            flex: 1;
            min-width: 280px;
        }

        .article-cta-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .article-cta-text p {
            color: var(--text-secondary);
            margin: 0;
        }

        .article-cta-btn {
            display: inline-block;
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), #0099FF);
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.5);
            transition: var(--transition);
            white-space: nowrap;
        }

        .article-cta-btn:hover {
            box-shadow: 0 8px 32px rgba(0, 82, 255, 0.7);
            transform: translateY(-3px);
        }

        /* Not Found State */
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-home {
            display: inline-block;
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), #0099FF);
            transition: var(--transition);
        }

        .btn-home:hover {
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.5);
            transform: translateY(-2px);
        }

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

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

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 16px 0;
        }

        .footer-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 4px 12px;
            border-radius: 50px;
            margin-right: 8px;
        }

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

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

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAB - Cyber & Neon Style */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.6;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fabBreathing 3s ease-in-out infinite;
        }

        .fab i {
            font-size: 1.4rem;
            color: var(--accent-cyan);
            transition: var(--transition);
        }

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

        .fab:hover i {
            animation: fabFlicker 0.6s ease-in-out;
        }

        .fab:active {
            transform: scale(0.95);
            border-color: var(--accent-pink);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #08090F;
            animation: fabBlink 1.5s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.8; }
        }

        @keyframes fabFlicker {
            0%, 100% { opacity: 1; }
            25% { opacity: 0.3; }
            50% { opacity: 1; }
            75% { opacity: 0.5; }
        }

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

        /* Mobile Menu */
        .navbar-nav.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.98);
            backdrop-filter: blur(20px);
            padding: 24px;
            gap: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-header h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .navbar-nav {
                display: none;
            }

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

            .navbar-toggle {
                display: flex;
            }

            .btn-login, .btn-signup {
                display: inline-block;
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .article-page {
                padding-top: 100px;
            }

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

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

            .article-cta {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .article-cta-btn {
                width: 100%;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .navbar-inner {
                height: 64px;
            }

            .navbar-logo {
                font-size: 1.2rem;
            }

            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

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

            .article-meta {
                gap: 16px;
            }

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

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

            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category1 */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        :root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #071B10;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9DB8A8;
            --border-gold: rgba(255, 215, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Be Vietnam Pro', 'Inter', system-ui, 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;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Navigation */
        .navbar {
            background: rgba(7, 27, 16, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .navbar-logo span {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .navbar-nav {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }
        .navbar-nav a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-mint);
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        .navbar-nav a:hover {
            color: var(--accent-gold);
        }
        .navbar-nav a.active {
            color: var(--accent-gold);
        }
        .navbar-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.4);
            border-radius: 20px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            padding: 8px 22px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            border-radius: 20px;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
        }
        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .navbar-toggle span {
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }
        /* Hero */
        .hero {
            background: linear-gradient(135deg, #071B10 0%, #0A2E1C 40%, #123E25 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0 60px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08), transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            color: var(--text-white);
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 32px;
            max-width: 520px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            border-radius: 30px;
            transition: var(--transition);
            box-shadow: 0 6px 25px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 215, 0, 0.5);
        }
        .btn-secondary {
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-mint);
            border: 1px solid rgba(209, 242, 235, 0.3);
            border-radius: 30px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .hero-panel {
            background: rgba(15, 51, 34, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card);
        }
        .hero-panel h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            display: block;
        }
        .hero-stat .label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        /* Sections */
        .section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 40px;
            max-width: 700px;
            line-height: 1.7;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .section-header-left {
            flex: 1;
            min-width: 280px;
        }
        /* Info Blocks */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .info-block {
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: var(--transition);
        }
        .info-block:hover {
            border-color: rgba(255, 215, 0, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .info-block-icon {
            width: 50px;
            height: 50px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 18px;
        }
        .info-block h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .info-block p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.7;
        }
        /* Steps */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-item {
            text-align: left;
            position: relative;
            padding: 0 8px;
        }
        .step-number {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #0A2E1C;
            margin-bottom: 14px;
        }
        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Content Split */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.25);
            box-shadow: var(--shadow-card);
        }
        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .split-image:hover img {
            transform: scale(1.03);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .fa-chevron-down {
            transition: var(--transition);
            font-size: 0.9rem;
            color: var(--accent-gold);
        }
        .faq-item.active .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, #123E25, #0A2E1C);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent 70%);
        }
        .cta-banner h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-banner p {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 28px;
            position: relative;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        /* Footer */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 16px 0;
            line-height: 1.7;
            max-width: 350px;
        }
        .footer-badge {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-right: 8px;
            border: 1px solid rgba(255, 215, 0, 0.3);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: var(--transition);
        }
        .fab:hover i {
            transform: rotate(360deg);
        }
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink 1.5s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .split-section {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar-inner {
                height: 64px;
                gap: 16px;
            }
            .navbar-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(7, 27, 16, 0.98);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            }
            .navbar-nav.open {
                display: flex;
            }
            .navbar-nav a {
                font-size: 1rem;
                padding: 8px 0;
                display: block;
                width: 100%;
            }
            .navbar-toggle {
                display: flex;
            }
            .btn-login {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .btn-signup {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .hero {
                padding: 50px 0 40px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-banner {
                padding: 35px 24px;
            }
            .cta-banner h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .navbar-logo {
                font-size: 1.2rem;
            }
            .btn-login {
                display: none;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: category2 */
/* ========== DESIGN VARIABLES ========== */
        :root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --tertiary-bg: #1E1E1E;
            --accent-orange: #FF4500;
            --accent-fire: #FF0000;
            --accent-warm: #FF7A00;
            --text-white: #FFFFFF;
            --text-warm: #CCCCCC;
            --text-muted: #888888;
            --border-subtle: #2A2A2A;
            --border-orange: #FF4500;
            --shadow-orange: rgba(255, 69, 0, 0.35);
            --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.6);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }
        
        /* ========== RESET & BASE ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--accent-orange);
        }
        
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        
        ul,
        ol {
            list-style: none;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-white);
        }
        
        /* ========== CONTAINER ========== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* ========== NAVBAR ========== */
        .navbar {
            background: rgba(11, 11, 11, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        
        .navbar.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
            border-bottom-color: rgba(255, 69, 0, 0.4);
        }
        
        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .navbar-logo span {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #FF7A00 0%, #FF4500 50%, #FF0000 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        
        .navbar-nav li a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-warm);
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .navbar-nav li a:hover {
            color: var(--text-white);
            background: rgba(255, 69, 0, 0.08);
        }
        
        .navbar-nav li a.active {
            color: var(--text-white);
            background: rgba(255, 69, 0, 0.12);
            font-weight: 600;
        }
        
        .navbar-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-orange);
            border-radius: 2px;
        }
        
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .btn-login {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-white);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(255, 69, 0, 0.05);
        }
        
        .btn-signup {
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            box-shadow: 0 4px 16px var(--shadow-orange);
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px var(--shadow-orange);
            color: #fff;
        }
        
        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        
        .navbar-toggle span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--text-white);
            border-radius: 2px;
            transition: var(--transition);
        }
        
        .navbar-toggle:hover span {
            background: var(--accent-orange);
        }
        
        /* ========== HERO SECTION ========== */
        .hero-section {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0B0B0B 0%, #1A0A00 50%, #0B0B0B 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 0, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }
        
        .hero-text {
            text-align: left;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 50px;
            background: rgba(255, 69, 0, 0.12);
            border: 1px solid rgba(255, 69, 0, 0.35);
            color: var(--accent-orange);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        
        .hero-badge i {
            font-size: 0.9rem;
        }
        
        .hero-text h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 20px;
            line-height: 1.15;
            background: linear-gradient(135deg, #FFFFFF 0%, #FFCCCC 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-warm);
            max-width: 520px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            box-shadow: 0 8px 24px var(--shadow-orange);
            transition: var(--transition);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px var(--shadow-orange);
            color: #fff;
        }
        
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        
        .btn-secondary:hover {
            border-color: var(--accent-orange);
            color: var(--accent-orange);
            background: rgba(255, 69, 0, 0.05);
        }
        
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
        }
        
        .hero-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            width: 100%;
            max-width: 420px;
            box-shadow: var(--shadow-soft);
            border: 1px solid rgba(255, 69, 0, 0.25);
            position: relative;
        }
        
        .hero-card::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20%;
            right: 20%;
            height: 3px;
            background: linear-gradient(90deg, transparent, #FF4500, transparent);
            border-radius: 2px;
        }
        
        .hero-card-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--accent-orange);
            font-weight: 600;
            margin-bottom: 12px;
        }
        
        .hero-card h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            color: var(--text-white);
        }
        
        .hero-card p {
            color: var(--text-warm);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        
        .hero-code-box {
            background: rgba(255, 69, 0, 0.08);
            border: 1px dashed var(--accent-orange);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .hero-code-box span {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--accent-orange);
        }
        
        .hero-code-box button {
            padding: 8px 16px;
            background: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        
        .hero-code-box button:hover {
            background: #FF0000;
            transform: scale(1.05);
        }
        
        .hero-card-stats {
            display: flex;
            gap: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
        }
        
        .hero-stat {
            flex: 1;
        }
        
        .hero-stat strong {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-orange);
        }
        
        .hero-stat span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }
        
        .section-alt {
            background: var(--secondary-bg);
        }
        
        .section-header {
            margin-bottom: 45px;
            max-width: 700px;
        }
        
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        
        .section-header p {
            color: var(--text-warm);
            font-size: 1rem;
            line-height: 1.7;
        }
        
        .section-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 69, 0, 0.1);
            border: 1px solid rgba(255, 69, 0, 0.3);
            color: var(--accent-orange);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        
        /* ========== PROMO GRID ========== */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .promo-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .promo-card:hover {
            border-color: rgba(255, 69, 0, 0.5);
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(255, 69, 0, 0.2);
        }
        
        .promo-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #FF4500, #FF0000);
            opacity: 0;
            transition: var(--transition);
        }
        
        .promo-card:hover::before {
            opacity: 1;
        }
        
        .promo-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(255, 69, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.5rem;
            color: var(--accent-orange);
        }
        
        .promo-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .promo-card p {
            color: var(--text-warm);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        
        .promo-value {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 69, 0, 0.1);
            color: var(--accent-orange);
            font-weight: 700;
            font-size: 0.85rem;
        }
        
        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        .step-item {
            text-align: left;
            position: relative;
            padding-left: 56px;
        }
        
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px var(--shadow-orange);
        }
        
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        
        .step-item p {
            color: var(--text-warm);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        
        /* ========== FEATURE LIST ========== */
        .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px;
            background: var(--tertiary-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        
        .feature-item:hover {
            border-color: rgba(255, 69, 0, 0.4);
            background: rgba(255, 69, 0, 0.05);
        }
        
        .feature-item i {
            font-size: 1.3rem;
            color: var(--accent-orange);
            margin-top: 2px;
            flex-shrink: 0;
        }
        
        .feature-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        
        .feature-item p {
            color: var(--text-warm);
            font-size: 0.85rem;
            line-height: 1.6;
        }
        
        /* ========== TESTIMONIAL ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .testimonial-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-subtle);
        }
        
        .testimonial-quote {
            font-size: 1rem;
            color: var(--text-warm);
            line-height: 1.7;
            margin-bottom: 18px;
            font-style: italic;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
        }
        
        .testimonial-author strong {
            display: block;
            font-size: 0.95rem;
            font-weight: 700;
        }
        
        .testimonial-author span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            padding: 20px 0;
        }
        
        .faq-item:first-child {
            border-top: 1px solid var(--border-subtle);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            transition: var(--transition);
            padding: 4px 0;
        }
        
        .faq-question:hover {
            color: var(--accent-orange);
        }
        
        .faq-question i {
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
            color: var(--text-muted);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-warm);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-orange);
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }
        
        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1A0A00 0%, #0B0B0B 50%, #1A0000 100%);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            border: 1px solid rgba(255, 69, 0, 0.25);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        
        .cta-section p {
            color: var(--text-warm);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        
        /* ========== FOOTER ========== */
        .footer {
            background: #080808;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 0;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 16px 0;
        }
        
        .footer-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(255, 69, 0, 0.1);
            border: 1px solid rgba(255, 69, 0, 0.3);
            color: var(--accent-orange);
            font-size: 0.75rem;
            font-weight: 700;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-orange);
        }
        
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(11, 11, 11, 0.9), rgba(11, 11, 11, 0.9)), linear-gradient(135deg, #FF7A00, #FF4500, #FF0000);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
            opacity: 0.75;
            transition: var(--transition);
            cursor: pointer;
            animation: fabBreathe 3s ease-in-out infinite;
        }
        
        .fab i {
            font-size: 1.4rem;
            color: var(--accent-orange);
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 32px rgba(255, 69, 0, 0.7);
        }
        
        .fab:active {
            transform: scale(0.95);
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FF0000;
            border: 2px solid var(--primary-bg);
            animation: blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreathe {
            0%, 100% {
                box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
            }
            50% {
                box-shadow: 0 0 32px rgba(255, 69, 0, 0.7);
            }
        }
        
        @keyframes blink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 2.4rem;
            }
            
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .navbar-inner {
                height: 64px;
                position: relative;
            }
            
            .navbar-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--primary-bg);
                border-bottom: 1px solid var(--border-subtle);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
            }
            
            .navbar-nav.open {
                display: flex;
            }
            
            .navbar-nav li a {
                padding: 14px 16px;
                display: block;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            
            .navbar-nav li a.active::after {
                display: none;
            }
            
            .navbar-toggle {
                display: flex;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            
            .hero-section {
                padding: 110px 0 60px;
            }
            
            .hero-text h1 {
                font-size: 1.9rem;
            }
            
            .hero-text p {
                font-size: 1rem;
            }
            
            .hero-actions {
                flex-direction: column;
            }
            
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .section {
                padding: 50px 0;
            }
            
            .section-header h2 {
                font-size: 1.7rem;
            }
            
            .promo-grid {
                grid-template-columns: 1fr;
            }
            
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .feature-list {
                grid-template-columns: 1fr;
            }
            
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section {
                padding: 36px 20px;
            }
            
            .cta-section h2 {
                font-size: 1.5rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            
            .fab i {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .navbar-logo span {
                font-size: 1.3rem;
            }
            
            .btn-login {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            
            .hero-text h1 {
                font-size: 1.6rem;
            }
            
            .hero-card {
                padding: 24px 20px;
            }
            
            .hero-code-box span {
                font-size: 1.1rem;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .promo-card {
                padding: 20px;
            }
        }