/* roulang page: index */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #15122A;
            --bg-card-hover: #1C1838;
            --accent-neon: #00F0FF;
            --accent-lime: #CCFF00;
            --accent-pink: #FF2D78;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #7A7E85;
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-base: 'Segoe UI', 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-base);
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
            color: var(--text-primary);
            line-height: 1.6;
            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: var(--accent-neon);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-lime);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-lime);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-gap {
            padding: 70px 0;
        }
        .section-gap-sm {
            padding: 50px 0;
        }
        .section-gap-lg {
            padding: 90px 0;
        }
        .text-accent {
            color: var(--accent-neon);
        }
        .text-lime {
            color: var(--accent-lime);
        }
        .text-muted-custom {
            color: var(--text-secondary);
        }
        .fw-bold {
            font-weight: 700;
        }
        .fw-semibold {
            font-weight: 600;
        }
        .border-glow {
            border: 1px solid var(--border-neon);
        }
        .border-subtle {
            border: 1px solid var(--border-subtle);
        }
        .bg-card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }
        .bg-card-custom:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-neon);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }
        .badge-custom {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-neon);
            border: 1px solid var(--border-neon);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            display: inline-block;
        }
        .badge-hot {
            background: rgba(255, 45, 120, 0.15);
            color: var(--accent-pink);
            border: 1px solid rgba(255, 45, 120, 0.4);
            border-radius: 50px;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
        }
        .badge-lime {
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.35);
            border-radius: 50px;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all var(--transition-smooth);
        }
        .navbar-custom .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .navbar-custom .navbar-brand:hover {
            color: var(--accent-lime);
        }
        .navbar-custom .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-lime));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0F0C20;
            font-size: 1.1rem;
            font-weight: 900;
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.08);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent-lime);
            background: rgba(204, 255, 0, 0.08);
            border: 1px solid rgba(204, 255, 0, 0.25);
        }
        .navbar-custom .btn-login {
            color: var(--text-secondary);
            background: transparent;
            border: none;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 14px;
            transition: color var(--transition-fast);
        }
        .navbar-custom .btn-login:hover {
            color: var(--text-primary);
        }
        .navbar-custom .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #A8E600);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(204, 255, 0, 0.35);
        }
        .navbar-custom .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(204, 255, 0, 0.5);
            background: var(--accent-lime);
        }
        .navbar-toggler {
            border: 1px solid var(--border-subtle);
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 10px;
        }
        .navbar-toggler-icon {
            filter: invert(1) brightness(0.9);
        }
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: rgba(15, 12, 32, 0.98);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-subtle);
            }
            .navbar-custom .navbar-nav {
                gap: 6px;
            }
            .navbar-custom .d-flex.auth-buttons {
                flex-direction: column;
                gap: 10px;
                margin-top: 14px;
            }
            .navbar-custom .btn-login,
            .navbar-custom .btn-signup {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, rgba(15, 12, 32, 0.95) 0%, rgba(11, 26, 48, 0.9) 55%, rgba(15, 12, 32, 0.97) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0 70px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 45%);
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .hero-title .highlight-neon {
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-lime));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-neon), #00C8D6);
            color: #0F0C20;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(0, 240, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(0, 240, 255, 0.5);
            background: var(--accent-neon);
            color: #0F0C20;
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-neon);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-secondary-custom:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            transform: translateY(-2px);
        }
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid var(--border-subtle);
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-data-item .data-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-lime);
            letter-spacing: -0.5px;
        }
        .hero-data-item .data-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-data-row {
                gap: 18px;
            }
            .hero-data-item .data-value {
                font-size: 1.3rem;
            }
        }

        /* Flash Sale Track */
        .flash-track-section {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-subtle);
        }
        .flash-track-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-neon) transparent;
        }
        .flash-track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .flash-track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .flash-track-scroll::-webkit-scrollbar-thumb {
            background: var(--border-neon);
            border-radius: 10px;
        }
        .flash-item {
            min-width: 210px;
            max-width: 210px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .flash-item:hover {
            border-color: var(--accent-pink);
            box-shadow: 0 0 20px rgba(255, 45, 120, 0.25);
            transform: translateY(-4px);
        }
        .flash-item .flash-img {
            width: 100%;
            height: 110px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
        }
        .flash-item .flash-title {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .flash-item .flash-price {
            font-size: 1rem;
            font-weight: 800;
            color: var(--accent-lime);
            margin-bottom: 4px;
        }
        .flash-item .flash-old-price {
            font-size: 0.78rem;
            color: var(--text-muted);
            text-decoration: line-through;
        }
        .flash-item .flash-badge {
            position: absolute;
            top: 10px;
            right: 10px;
        }

        /* Inventory Notice */
        .inventory-notice-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .inventory-notice-card {
            background: linear-gradient(135deg, rgba(255, 45, 120, 0.1), rgba(0, 240, 255, 0.08));
            border: 1px solid rgba(255, 45, 120, 0.25);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .inventory-notice-card .notice-text {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .inventory-notice-card .notice-text i {
            color: var(--accent-pink);
            margin-right: 8px;
        }
        .inventory-notice-card .notice-progress {
            flex: 1;
            min-width: 180px;
            max-width: 320px;
        }
        .progress {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50px;
            height: 10px;
            overflow: hidden;
        }
        .progress-bar {
            background: linear-gradient(90deg, var(--accent-pink), var(--accent-neon));
            border-radius: 50px;
            transition: width 1s ease;
        }

        /* Focus Topics */
        .focus-topics-section {
            background: var(--bg-primary);
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .topic-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-neon), var(--accent-lime));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .topic-card:hover {
            border-color: var(--border-neon);
            box-shadow: var(--shadow-card);
            transform: translateY(-6px);
        }
        .topic-card:hover::after {
            opacity: 1;
        }
        .topic-card .topic-icon {
            width: 52px;
            height: 52px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-neon);
            margin-bottom: 16px;
        }
        .topic-card .topic-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .topic-card .topic-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* News / CMS */
        .news-section {
            background: var(--bg-secondary);
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-list-item .news-index {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-neon);
            min-width: 42px;
            text-align: center;
            line-height: 1;
            opacity: 0.7;
        }
        .news-list-item .news-content {
            flex: 1;
        }
        .news-list-item .news-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-list-item .news-title a {
            color: var(--text-primary);
        }
        .news-list-item .news-title a:hover {
            color: var(--accent-lime);
        }
        .news-list-item .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .news-sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            height: 100%;
        }
        .news-sidebar-card .sidebar-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-sidebar-card .sidebar-title i {
            color: var(--accent-neon);
        }
        .news-sidebar-card .sidebar-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .news-sidebar-card .sidebar-list-item:last-child {
            border-bottom: none;
        }
        .news-sidebar-card .sidebar-list-item .rank-num {
            font-weight: 800;
            color: var(--accent-lime);
            min-width: 24px;
        }

        /* CTA Group */
        .cta-group-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(204, 255, 0, 0.05));
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .cta-big-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-big-card::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 60%;
            height: 180%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }
        .cta-big-card .cta-title {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 14px;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }
        .cta-big-card .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 26px;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-big-card .btn-group-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-primary);
        }
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .accordion-custom .accordion-item:hover {
            border-color: var(--border-neon);
        }
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.98rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.06);
            color: var(--accent-neon);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: invert(1) brightness(0.9);
        }
        .accordion-custom .accordion-body {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
        }
        .footer-custom .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-custom .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-neon), var(--accent-lime));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0F0C20;
            font-size: 1rem;
            font-weight: 900;
        }
        .footer-custom .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-custom .footer-link-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-custom .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .footer-custom .footer-link:hover {
            color: var(--accent-lime);
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            margin-top: 30px;
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
        }
        .footer-custom .footer-bottom .copyright {
            color: var(--text-muted);
        }
        .footer-custom .footer-bottom .compliance {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-custom .footer-bottom .compliance .badge-18 {
            background: rgba(255, 45, 120, 0.15);
            color: var(--accent-pink);
            border: 1px solid rgba(255, 45, 120, 0.4);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.7rem;
        }

        /* Floating Action Button */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, var(--accent-neon), var(--accent-lime)) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-neon);
            opacity: 0.65;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-smooth);
            animation: fabBreathing 3s ease-in-out infinite;
        }
        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            color: var(--accent-lime);
        }
        .fab-custom:active {
            transform: scale(0.95);
        }
        .fab-custom .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border: 2px solid #0F0C20;
            border-radius: 50%;
            animation: fabBlink 1.2s ease-in-out infinite;
        }
        @keyframes fabBreathing {
            0%, 100% { opacity: 0.55; }
            50% { opacity: 0.85; }
        }
        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive tweaks */
        @media (max-width: 575.98px) {
            .section-gap {
                padding: 50px 0;
            }
            .section-gap-lg {
                padding: 60px 0;
            }
            .hero-section {
                padding: 60px 0 50px;
            }
            .cta-big-card {
                padding: 28px 20px;
            }
            .cta-big-card .cta-title {
                font-size: 1.4rem;
            }
            .inventory-notice-card {
                flex-direction: column;
                align-items: stretch;
            }
            .flash-item {
                min-width: 160px;
                max-width: 160px;
                padding: 14px;
            }
            .flash-item .flash-img {
                height: 85px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0B1A30;
            --secondary-bg: #0F0C20;
            --surface-dark: #111827;
            --surface-card: #1A2236;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-subtle: 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 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.15);
            --spacing-section: 80px;
            --spacing-inner: 40px;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--primary-bg);
            background-image: radial-gradient(circle at 20% 20%, rgba(0, 240, 255, 0.03) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(204, 255, 0, 0.02) 0%, transparent 50%);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        a:hover {
            color: #5cf5ff;
        }
        
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        /* ===== Navbar ===== */
        .navbar-custom {
            background: rgba(11, 26, 48, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }
        
        .navbar-custom .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        
        .navbar-custom .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-size: 1.2rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }
        
        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 10px 16px;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }
        
        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-cyan);
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 25px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: #fff;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
            border: none;
            color: #000;
            font-weight: 700;
            padding: 10px 26px;
            border-radius: 25px;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(0, 240, 255, 0.3);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #5cf5ff, #00b8e6);
            color: #000;
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.45);
        }
        
        /* ===== Article Content ===== */
        .article-wrapper {
            padding: 60px 0 40px;
        }
        
        .article-breadcrumb {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        
        .article-breadcrumb a {
            color: var(--accent-cyan);
        }
        
        .article-main {
            background: var(--surface-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        
        .article-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-lime), var(--accent-pink));
        }
        
        .article-category-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        
        .article-main h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .article-content {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        
        .article-content h2 {
            color: var(--text-primary);
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            padding-left: 16px;
            border-left: 4px solid var(--accent-cyan);
        }
        
        .article-content h3 {
            color: var(--text-primary);
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 28px;
            margin-bottom: 12px;
        }
        
        .article-content p {
            margin-bottom: 18px;
        }
        
        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        
        .article-content li {
            margin-bottom: 8px;
        }
        
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }
        
        .article-content blockquote {
            border-left: 4px solid var(--accent-lime);
            background: rgba(204, 255, 0, 0.05);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-primary);
            font-style: italic;
        }
        
        /* ===== Not Found State ===== */
        .not-found-state {
            text-align: center;
            padding: 80px 20px;
        }
        
        .not-found-state i {
            font-size: 4rem;
            color: var(--accent-cyan);
            margin-bottom: 24px;
            opacity: 0.6;
        }
        
        .not-found-state h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        
        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        
        /* ===== Related CTA Section ===== */
        .article-cta {
            margin-top: 48px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.06), rgba(204, 255, 0, 0.04));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        
        .article-cta-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        
        .article-cta-text p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 0.95rem;
        }
        
        .btn-cta-primary {
            background: linear-gradient(135deg, var(--accent-lime), #99cc00);
            border: none;
            color: #000;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(204, 255, 0, 0.3);
            white-space: nowrap;
        }
        
        .btn-cta-primary:hover {
            background: linear-gradient(135deg, #d9ff33, #b3e600);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(204, 255, 0, 0.45);
            color: #000;
        }
        
        /* ===== Floating Action Button ===== */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 26, 48, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.35s ease;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
            opacity: 0.65;
            animation: fabBreath 3s ease-in-out infinite;
        }
        
        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime), var(--accent-pink));
            z-index: -1;
            background-size: 300% 300%;
            animation: gradientFlow 4s ease infinite;
        }
        
        .fab-support i {
            font-size: 1.4rem;
            color: var(--accent-cyan);
            transition: all 0.35s ease;
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.5);
        }
        
        .fab-support:hover i {
            animation: iconSpin 0.6s ease;
            color: #5cf5ff;
        }
        
        .fab-support:active {
            transform: scale(0.95);
        }
        
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        
        @keyframes gradientFlow {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        
        @keyframes iconSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ===== Footer ===== */
        .footer-custom {
            background: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 0;
            margin-top: 40px;
        }
        
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        
        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-size: 1rem;
        }
        
        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        
        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }
        
        .footer-link:hover {
            color: var(--accent-cyan);
        }
        
        .footer-link-title {
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
        }
        
        .footer-bottom .copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        
        .footer-bottom .compliance {
            color: var(--text-muted);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .badge-18plus {
            display: inline-block;
            background: #D32F2F;
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 4px;
            letter-spacing: 1px;
        }
        
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-main {
                padding: 36px 32px;
            }
            
            .article-main h1 {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --spacing-section: 60px;
                --spacing-inner: 28px;
            }
            
            .navbar-custom {
                padding: 10px 0;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1.15rem;
            }
            
            .navbar-custom .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            
            .auth-buttons {
                gap: 8px !important;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            
            .article-wrapper {
                padding: 32px 0 24px;
            }
            
            .article-main {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            
            .article-main h1 {
                font-size: 1.5rem;
            }
            
            .article-content {
                font-size: 0.95rem;
            }
            
            .article-content h2 {
                font-size: 1.3rem;
            }
            
            .article-cta {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            
            .btn-cta-primary {
                width: 100%;
                padding: 12px 24px;
            }
            
            .fab-support {
                left: 16px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
            
            .fab-support i {
                font-size: 1.2rem;
            }
            
            .footer-custom {
                padding: 40px 0 0;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .article-main h1 {
                font-size: 1.3rem;
            }
            
            .article-meta {
                gap: 12px;
                font-size: 0.75rem;
            }
            
            .article-content h2 {
                font-size: 1.15rem;
                padding-left: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --forest-green: #123E25;
            --jade-dark: #0E3821;
            --imperial-gold: #FFD700;
            --lucky-red: #D32F2F;
            --pale-mint: #D1F2EB;
            --white: #FFFFFF;
            --warm-amber: #FFB74D;
            --charcoal: #1A1A1A;
            --cool-gray: #8C9B8F;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 12px 30px rgba(255, 215, 0, 0.15);
            --shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.35);
            --radius-card: 1.25rem;
            --radius-btn: 2rem;
            --radius-pill: 5rem;
            --font-primary: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-display: 'Be Vietnam Pro', 'Segoe UI', system-ui, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-primary);
            background-color: #F8F6F0;
            color: #1F2A24;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #0A2E1C;
            line-height: 1.25;
        }
        a {
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        a:hover {
            opacity: 0.9;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        /* Navigation */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 6px 20px rgba(0,0,0,0.2);
        }
        .navbar-custom .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            color: var(--imperial-gold);
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            transition: transform 0.2s;
        }
        .navbar-custom .navbar-brand:hover {
            transform: scale(1.02);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(145deg, #FFD700, #B8860B);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(255,215,0,0.4);
        }
        .navbar-custom .nav-link {
            color: var(--pale-mint) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1rem !important;
            border-radius: 2rem;
            transition: background 0.2s, color 0.2s;
        }
        .navbar-custom .nav-link:hover {
            background: rgba(255, 215, 0, 0.12);
            color: #fff !important;
        }
        .navbar-custom .nav-link.active {
            background: rgba(255, 215, 0, 0.2);
            color: var(--imperial-gold) !important;
            font-weight: 700;
        }
        .auth-buttons .btn {
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1.4rem;
            white-space: nowrap;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-login:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-signup {
            background: var(--imperial-gold);
            border: none;
            color: #0A2E1C;
            box-shadow: 0 6px 16px rgba(255,215,0,0.35);
        }
        .btn-signup:hover {
            background: #FFE24D;
            color: #0A2E1C;
            box-shadow: 0 8px 20px rgba(255,215,0,0.5);
            transform: translateY(-1px);
        }
        @media (max-width: 991.98px) {
            .navbar-custom .navbar-collapse {
                background: rgba(10, 46, 28, 0.98);
                border-radius: 1rem;
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid var(--border-gold);
            }
            .auth-buttons {
                margin-top: 0.75rem;
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .navbar-custom .nav-link {
                padding: 0.75rem 1rem !important;
            }
        }
        /* Hero - Trial Application Flow */
        .hero-trial {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 45%, #1C5A35 100%);
            padding: 5rem 0 4rem;
            color: #fff;
            position: relative;
            overflow: hidden;
            border-bottom: 4px solid var(--imperial-gold);
        }
        .hero-trial::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,215,0,0.18), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-trial .badge-soft {
            background: rgba(255,215,0,0.15);
            color: var(--imperial-gold);
            padding: 0.4rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.3px;
            display: inline-block;
            border: 1px solid rgba(255,215,0,0.4);
            backdrop-filter: blur(4px);
        }
        .hero-trial h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin: 1.5rem 0 1rem;
            max-width: 700px;
        }
        .hero-trial .lead-text {
            font-size: 1.2rem;
            color: #D1F2EB;
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 1.8rem;
        }
        .benefit-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2rem;
        }
        .benefit-pill {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 0.5rem 1.3rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #F0F7F4;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .benefit-pill i {
            color: var(--imperial-gold);
            font-size: 0.85rem;
        }
        .hero-action-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.2rem;
        }
        .btn-trial-primary {
            background: var(--imperial-gold);
            color: #0A2E1C;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.9rem 2.4rem;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 10px 25px rgba(255,215,0,0.4);
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .btn-trial-primary:hover {
            background: #FFE24D;
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(255,215,0,0.55);
        }
        .btn-outline-trial {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.5);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 0.9rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s;
        }
        .btn-outline-trial:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }
        .eligibility-note {
            font-size: 0.85rem;
            color: #B7D7CC;
            margin-top: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .eligibility-note i {
            color: var(--imperial-gold);
        }
        /* Section Base */
        .section-padding {
            padding: 4.5rem 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--lucky-red);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            font-size: 0.85rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #0A2E1C;
            margin-bottom: 1rem;
            max-width: 700px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: #4A5B52;
            max-width: 700px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        /* Social Proof Bubbles */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .proof-bubble {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border: 1px solid rgba(10,46,28,0.06);
            transition: all 0.25s;
            position: relative;
        }
        .proof-bubble:hover {
            box-shadow: 0 18px 40px rgba(10,46,28,0.12);
            transform: translateY(-4px);
        }
        .proof-bubble .quote-mark {
            font-size: 2.5rem;
            color: var(--imperial-gold);
            line-height: 1;
            margin-bottom: 0.75rem;
            font-family: Georgia, serif;
        }
        .proof-bubble blockquote {
            font-size: 1rem;
            line-height: 1.7;
            color: #2E3D35;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .user-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0A2E1C, #1C5A35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .user-info .user-name {
            font-weight: 700;
            color: #0A2E1C;
            font-size: 0.95rem;
        }
        .user-info .user-role {
            font-size: 0.8rem;
            color: #6B7A72;
        }
        /* Avatar Wall */
        .avatar-wall {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }
        .avatar-wall .avatar-stack {
            display: flex;
            margin-right: 0.5rem;
        }
        .avatar-wall .avatar-stack .avatar-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 3px solid #F8F6F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 0.9rem;
            margin-left: -12px;
            background: linear-gradient(145deg, #123E25, #1C5A35);
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }
        .avatar-wall .avatar-stack .avatar-item:first-child {
            margin-left: 0;
        }
        .avatar-wall .wall-text {
            font-size: 0.95rem;
            color: #4A5B52;
            font-weight: 500;
        }
        .avatar-wall .wall-text strong {
            color: var(--lucky-red);
            font-weight: 700;
        }
        /* Data & Insights */
        .insight-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: 0 8px 24px rgba(0,0,0,0.04);
            border-left: 6px solid var(--imperial-gold);
            margin-bottom: 1.5rem;
            transition: all 0.2s;
        }
        .insight-card:hover {
            box-shadow: 0 14px 30px rgba(0,0,0,0.08);
        }
        .insight-card h3 {
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
            color: #0A2E1C;
        }
        .insight-card p {
            color: #4A5B52;
            font-size: 1rem;
            margin-bottom: 0;
        }
        .metric-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        .metric-item {
            flex: 1 1 150px;
            text-align: left;
        }
        .metric-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--lucky-red);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.9rem;
            color: #6B7A72;
            margin-top: 0.3rem;
            font-weight: 500;
        }
        /* Chart / Preview Card */
        .chart-card {
            background: #0A2E1C;
            border-radius: var(--radius-card);
            padding: 2.2rem;
            color: #fff;
            box-shadow: var(--shadow-dark);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .chart-card h4 {
            color: var(--imperial-gold);
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .chart-visual {
            background: rgba(255,255,255,0.05);
            border-radius: 1rem;
            padding: 1.5rem;
            margin: 1rem 0;
            display: flex;
            align-items: flex-end;
            gap: 0.5rem;
            height: 180px;
        }
        .chart-bar {
            flex: 1;
            background: linear-gradient(to top, #FFD700, #FFB74D);
            border-radius: 8px 8px 0 0;
            min-height: 20px;
            transition: height 0.4s;
            opacity: 0.9;
        }
        .chart-bar:hover {
            opacity: 1;
        }
        .chart-caption {
            font-size: 0.85rem;
            color: #B7D7CC;
        }
        /* Form */
        .lead-form-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 2.5rem;
            box-shadow: 0 18px 45px rgba(10,46,28,0.15);
            border: 1px solid rgba(10,46,28,0.08);
        }
        .lead-form-card .form-label {
            font-weight: 600;
            color: #0A2E1C;
            font-size: 0.9rem;
        }
        .lead-form-card .form-control {
            border-radius: 0.8rem;
            border: 1px solid #D5DDD8;
            padding: 0.8rem 1rem;
            font-size: 0.95rem;
            transition: border 0.2s, box-shadow 0.2s;
            background: #FAFBF9;
        }
        .lead-form-card .form-control:focus {
            border-color: var(--imperial-gold);
            box-shadow: 0 0 0 0.25rem rgba(255,215,0,0.2);
            background: #fff;
        }
        .btn-submit-form {
            background: var(--lucky-red);
            border: none;
            border-radius: 2rem;
            padding: 0.9rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            box-shadow: 0 8px 20px rgba(211,47,47,0.3);
            transition: all 0.2s;
            width: 100%;
        }
        .btn-submit-form:hover {
            background: #B71C1C;
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(211,47,47,0.45);
        }
        .form-note {
            font-size: 0.8rem;
            color: #6B7A72;
            margin-top: 1rem;
            text-align: center;
        }
        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: 1rem;
            margin-bottom: 0.8rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            border: 1px solid rgba(10,46,28,0.06);
            overflow: hidden;
            transition: all 0.2s;
        }
        .faq-item:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
        }
        .faq-question {
            padding: 1.2rem 1.8rem;
            font-weight: 700;
            color: #0A2E1C;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: #F5F7F5;
        }
        .faq-question .fa-chevron-down {
            transition: transform 0.3s;
            color: var(--imperial-gold);
        }
        .faq-question[aria-expanded="true"] .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.8rem 1.4rem;
            color: #4A5B52;
            line-height: 1.7;
            font-size: 0.95rem;
        }
        /* CTA */
        .cta-band {
            background: linear-gradient(145deg, #0A2E1C, #1C5A35);
            border-radius: 2rem;
            padding: 3.5rem 2.5rem;
            color: #fff;
            text-align: left;
            position: relative;
            overflow: hidden;
        }
        .cta-band h3 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }
        .cta-band p {
            color: #D1F2EB;
            max-width: 550px;
            margin-bottom: 1.5rem;
        }
        /* Footer */
        .footer-custom {
            background: #071F13;
            color: #D1F2EB;
            padding: 3.5rem 0 1.5rem;
            border-top: 3px solid var(--imperial-gold);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--imperial-gold);
            margin-bottom: 1rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #B7D7CC;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        .footer-link-title {
            color: var(--imperial-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-link {
            display: block;
            color: #D1F2EB;
            font-size: 0.9rem;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: var(--imperial-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #8C9B8F;
        }
        .compliance {
            display: flex;
            gap: 1rem;
            align-items: center;
        }
        .compliance i {
            color: var(--imperial-gold);
            margin-right: 0.3rem;
        }
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(145deg, #FFD700, #B8860B);
            border: 2px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A2E1C;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.4);
            opacity: 0.85;
            animation: floatBreath 2.5s ease-in-out infinite;
            transition: all 0.25s;
            cursor: pointer;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
        }
        .fab-floating .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blinkDot 1.2s infinite;
        }
        @keyframes floatBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .hero-trial h1 { font-size: 2.2rem; }
            .social-proof-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
        }
        @media (max-width: 767.98px) {
            .hero-trial { padding: 3rem 0 2.5rem; }
            .hero-trial h1 { font-size: 1.8rem; }
            .social-proof-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 1.8rem; }
            .lead-form-card { padding: 1.8rem; }
            .cta-band { padding: 2.5rem 1.5rem; }
            .footer-bottom { flex-direction: column; gap: 0.8rem; text-align: center; }
        }
        @media (max-width: 520px) {
            .hero-action-row { flex-direction: column; align-items: stretch; }
            .btn-trial-primary, .btn-outline-trial { width: 100%; justify-content: center; }
            .metric-row { gap: 1rem; }
            .metric-item { flex: 1 1 100px; }
            .metric-number { font-size: 1.8rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: #151232;
            --bg-card-hover: #1B1745;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --accent-tertiary: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-color: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.4);
            --border-neon: rgba(204, 255, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-neon-hover: 0 0 35px rgba(0, 240, 255, 0.45);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.3);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== HEADER / NAVIGATION ===== */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background var(--transition-base);
        }

        .navbar-custom .navbar {
            padding: 0;
        }

        .navbar-custom .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .navbar-custom .navbar-brand:hover {
            color: var(--accent-secondary);
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0F0C20;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .navbar-custom .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: 50px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .navbar-custom .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .navbar-custom .nav-link.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.1);
            font-weight: 600;
        }

        .navbar-custom .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-primary);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--accent-primary);
        }

        .auth-buttons .btn {
            font-size: 0.85rem;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
        }

        .btn-login:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), #A8D800);
            border: none;
            color: #0F0C20;
            box-shadow: var(--shadow-lime);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.5);
            color: #0F0C20;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
        }

        /* ===== HERO SECTION ===== */
        .hero-section {
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 64px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(204, 255, 0, 0.12);
            border: 1px solid rgba(204, 255, 0, 0.3);
            color: var(--accent-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

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

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-primary), #A8D800);
            color: #0F0C20;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            box-shadow: var(--shadow-lime);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.55);
            color: #0F0C20;
        }

        .btn-outline-custom {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: 50px;
            font-size: 1rem;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-outline-custom:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.06);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
        }

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

        .hero-stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.2;
        }

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

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            width: 100%;
            max-width: 420px;
            box-shadow: var(--shadow-neon);
        }

        .hero-visual-card .card-label {
            font-size: 0.75rem;
            color: var(--accent-secondary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }

        .hero-visual-card .card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .hero-visual-card .card-trend {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--accent-primary);
            font-weight: 600;
        }

        .progress-custom {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
            margin-top: 16px;
        }

        .progress-custom .progress-bar-custom {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 50px;
            width: 72%;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        /* ===== SECTION COMMON ===== */
        .section-padding {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 40px;
            text-align: left;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 680px;
            margin-bottom: 0;
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            border-radius: 3px;
            margin-bottom: 16px;
        }

        /* ===== TIPS LIST SECTION ===== */
        .tips-section {
            background: var(--bg-primary);
        }

        .tip-item {
            display: flex;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
            transition: all var(--transition-base);
        }

        .tip-item:first-child {
            padding-top: 0;
        }

        .tip-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .tip-number {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.15), rgba(0, 240, 255, 0.15));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-primary);
        }

        .tip-content {
            flex: 1;
        }

        .tip-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .tip-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.7;
        }

        .tip-content .tip-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-secondary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }

        /* ===== STRATEGY PANEL ===== */
        .strategy-section {
            background: var(--bg-secondary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .strategy-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .strategy-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-md);
        }

        .strategy-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .strategy-panel p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .strategy-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 24px;
        }

        .strategy-metric {
            flex: 1;
            min-width: 140px;
            text-align: left;
        }

        .strategy-metric .metric-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-primary);
        }

        .strategy-metric .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* ===== FAQ SECTION ===== */
        .faq-section {
            background: var(--bg-primary);
        }

        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            padding: 20px 24px;
            font-size: 1rem;
            border: none;
            box-shadow: none !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--bg-card-hover);
            color: var(--accent-primary);
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent-primary);
        }

        .accordion-custom .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            padding: 0 24px 20px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-neon);
        }

        .cta-panel h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-panel p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        /* ===== FOOTER ===== */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 0.95rem;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .footer-link {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-secondary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
        }

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

        .compliance {
            color: var(--text-muted);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .compliance .badge-18 {
            background: rgba(255, 0, 0, 0.2);
            color: #FF6B6B;
            border: 1px solid rgba(255, 0, 0, 0.4);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 50px;
        }

        /* ===== FAB ===== */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.85), rgba(15, 12, 32, 0.85)), linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.3rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            opacity: 0.6;
            transition: all var(--transition-base);
            animation: fabBreathe 3s ease-in-out infinite;
        }

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

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

        @keyframes fabBreathe {
            0%, 100% {
                box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            }
            50% {
                box-shadow: 0 0 25px rgba(204, 255, 0, 0.6);
            }
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.25rem;
            }
            
            .hero-visual-card {
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .hero-section {
                padding: 40px 0 32px;
            }
            
            .hero-title {
                font-size: 1.85rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .hero-stat-number {
                font-size: 1.4rem;
            }
            
            .section-padding {
                padding: 40px 0;
            }
            
            .section-header h2 {
                font-size: 1.6rem;
            }
            
            .strategy-panel {
                padding: 24px;
            }
            
            .cta-panel {
                padding: 32px 20px;
            }
            
            .cta-panel h2 {
                font-size: 1.6rem;
            }
            
            .tip-item {
                gap: 16px;
                padding: 20px 0;
            }
            
            .tip-number {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            
            .tip-content h3 {
                font-size: 1.1rem;
            }
            
            .navbar-custom .navbar-brand {
                font-size: 1.15rem;
            }
            
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            
            .auth-buttons .btn {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            
            .hero-visual {
                margin-top: 32px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            
            .strategy-metrics {
                flex-direction: column;
                gap: 16px;
            }
            
            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }