/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C8B8;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 8px 30px rgba(255, 215, 0, 0.15);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --font-family: 'Be Vietnam Pro', sans-serif;
            --transition: all 0.3s ease;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        /* ============ Navbar ============ */
        .navbar {
            background-color: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 12px 0;
            transition: var(--transition);
        }
        .navbar .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar .navbar-brand span {
            color: var(--text-white);
        }
        .navbar .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 10px;
            padding: 8px 0 !important;
            position: relative;
            transition: var(--transition);
        }
        .navbar .nav-link:hover,
        .navbar .nav-link.active {
            color: var(--accent-gold) !important;
        }
        .navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition);
        }
        .navbar .nav-link:hover::after,
        .navbar .nav-link.active::after {
            width: 100%;
        }
        .navbar .btn-login {
            color: var(--text-white);
            border: none;
            background: transparent;
            font-weight: 600;
            padding: 8px 16px;
            margin-left: 5px;
        }
        .navbar .btn-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            border: none;
            border-radius: 30px;
            padding: 10px 24px;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }
        .navbar .btn-signup:hover {
            background: #ffed4a;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255,215,0,0.5);
        }
        .navbar-toggler {
            border-color: var(--accent-gold);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%23FFD700' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .navbar .navbar-collapse {
                background: var(--secondary-bg);
                border-radius: var(--radius-md);
                padding: 15px;
                margin-top: 10px;
            }
            .navbar .nav-link {
                margin: 5px 0;
            }
            .navbar .d-flex.align-items-center {
                margin-top: 10px;
            }
        }
        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(145deg, #2C1810, #1a0f07);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            animation: floatY 2s infinite ease-in-out;
            transition: var(--transition);
            text-decoration: none;
        }
        .fab-support:hover {
            transform: scale(1.1);
            animation-play-state: paused;
            box-shadow: 0 8px 30px rgba(255,215,0,0.6);
        }
        .fab-support::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #FFF;
            animation: blink 1.5s infinite;
        }
        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.jpg') no-repeat center center / cover;
            background-attachment: fixed;
            padding: 120px 0 60px;
            margin-bottom: 40px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(10,46,28,0.95) 0%, rgba(10,46,28,0.7) 50%, rgba(10,46,28,0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
            font-size: 0.9rem;
            letter-spacing: 1px;
            box-shadow: 0 4px 15px rgba(211,47,47,0.4);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-mint);
            margin-bottom: 30px;
            max-width: 550px;
        }
        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .hero-stat .label {
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            border: none;
            border-radius: 30px;
            padding: 14px 32px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(255,215,0,0.4);
        }
        .btn-gold:hover {
            background: #ffed4a;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255,215,0,0.6);
            color: #0A2E1C;
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            font-weight: 600;
            border-radius: 30px;
            padding: 12px 28px;
            transition: var(--transition);
        }
        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
            box-shadow: 0 4px 15px rgba(255,215,0,0.4);
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 2.2rem; }
            .hero-section { min-height: 70vh; background-attachment: scroll; }
            .hero-stats { gap: 20px; }
        }
        /* ============ Section Common ============ */
        .section {
            padding: 70px 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-desc {
            color: var(--text-mint);
            font-size: 1.1rem;
            max-width: 700px;
        }
        .text-accent {
            color: var(--accent-gold);
        }
        .bg-secondary-light {
            background-color: var(--secondary-bg);
            border-radius: var(--radius-lg);
        }
        /* ============ Game Cards ============ */
        .game-scroll {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            justify-content: center;
        }
        .game-card {
            background: rgba(18, 62, 37, 0.8);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            width: 220px;
            cursor: pointer;
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(255,215,0,0.3);
            border-color: var(--accent-gold);
        }
        .game-card img {
            height: 140px;
            width: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .game-card .game-info {
            padding: 15px;
        }
        .game-card .game-name {
            font-weight: 700;
            color: #fff;
            margin-bottom: 5px;
            font-size: 1rem;
        }
        .game-card .game-type {
            color: var(--text-mint);
            font-size: 0.85rem;
        }
        .game-card .hot-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 700;
        }
        @media (max-width: 576px) {
            .game-card { width: 45%; }
        }
        /* ============ Stock Alert ============ */
        .stock-alert {
            background: linear-gradient(135deg, #8B0000 0%, #4A0007 100%);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 25px 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: var(--shadow-gold);
        }
        .stock-alert .alert-text {
            font-size: 1.2rem;
            font-weight: 600;
            color: #fff;
        }
        .stock-alert .alert-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-right: 5px;
        }
        .stock-alert .btn-alert {
            background: var(--accent-gold);
            color: #4A0007;
            border: none;
            border-radius: 30px;
            padding: 12px 28px;
            font-weight: 700;
            transition: var(--transition);
        }
        .stock-alert .btn-alert:hover {
            background: #ffed4a;
            color: #4A0007;
            transform: scale(1.05);
        }
        /* ============ Ranking List ============ */
        .ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255,215,0,0.1);
            transition: var(--transition);
        }
        .ranking-item:hover {
            background: rgba(255,215,0,0.05);
            border-radius: var(--radius-sm);
        }
        .rank-number {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            width: 50px;
        }
        .rank-name {
            flex: 1;
            font-weight: 600;
            color: #fff;
        }
        .rank-metric {
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .rank-trend {
            color: #32CD32;
            font-weight: 700;
        }
        /* ============ Trust Icons ============ */
        .trust-icons {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 40px;
        }
        .trust-icon {
            text-align: center;
            max-width: 200px;
        }
        .trust-icon i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .trust-icon h5 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .trust-icon p {
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        /* ============ News Section ============ */
        .news-wrapper {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .news-list {
            flex: 2;
            min-width: 300px;
        }
        .news-list .news-item {
            display: block;
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255,215,0,0.15);
            border-radius: var(--radius-sm);
            padding: 15px 20px;
            margin-bottom: 15px;
            transition: var(--transition);
        }
        .news-list .news-item:hover {
            border-color: var(--accent-gold);
            background: rgba(18, 62, 37, 0.8);
            transform: translateX(5px);
        }
        .news-list .news-item h3 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 5px;
        }
        .news-list .news-item p {
            color: var(--text-mint);
            margin: 0;
            font-size: 0.9rem;
        }
        .news-list .news-meta {
            display: block;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--accent-gold);
        }
        .news-sidebar {
            flex: 1;
            min-width: 250px;
        }
        .news-sidebar .sidebar-card {
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255,215,0,0.3);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 20px;
        }
        .news-sidebar .sidebar-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            margin-bottom: 12px;
        }
        .news-sidebar .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
        }
        .news-sidebar .sidebar-card p {
            color: var(--text-mint);
            font-size: 0.85rem;
        }
        /* ============ CTA Buttons Group ============ */
        .cta-group {
            text-align: center;
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            box-shadow: var(--shadow-gold);
        }
        .cta-group .btn {
            margin: 10px;
            min-width: 200px;
        }
        /* ============ Testimonials ============ */
        .testimonial-summary {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 30px;
        }
        .rating-stars {
            color: var(--accent-gold);
            font-size: 2rem;
        }
        .rating-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
        }
        .rating-count {
            color: var(--text-mint);
        }
        .testimonial-item {
            background: rgba(18, 62, 37, 0.5);
            border-left: 4px solid var(--accent-gold);
            padding: 20px;
            border-radius: var(--radius-sm);
            margin-bottom: 20px;
        }
        .testimonial-item p {
            color: var(--text-mint);
            font-style: italic;
            margin-bottom: 10px;
        }
        .testimonial-author {
            font-weight: 700;
            color: #fff;
        }
        /* ============ FAQ ============ */
        .accordion-item {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 15px;
        }
        .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-sm) !important;
            padding: 18px 20px;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(255,215,0,0.1);
            color: var(--accent-gold);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent-gold);
        }
        .accordion-body {
            color: var(--text-mint);
            padding: 18px 20px;
        }
        /* ============ Footer ============ */
        .footer {
            background: #071f13;
            border-top: 2px solid var(--accent-gold);
            padding: 60px 0 30px;
        }
        .footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .footer-links a {
            color: var(--text-mint);
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: var(--accent-gold);
        }
        .badge-18 {
            display: inline-block;
            background: #D32F2F;
            color: #fff;
            padding: 4px 10px;
            border-radius: 50%;
            font-weight: 800;
            margin-right: 5px;
        }
        @media (max-width: 768px) {
            .section { padding: 50px 0; }
            .section-title { font-size: 1.8rem; }
            .hero-badge { font-size: 0.8rem; }
            .game-card { width: 100%; }
            .stock-alert { flex-direction: column; text-align: center; }
            .cta-group .btn { width: 100%; margin: 8px 0; }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0A2E1C;
            --bg-forest: #123E25;
            --bg-deeper: #071F12;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --gold-deep: #C5A059;
            --red: #D32F2F;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --text-muted-2: rgba(209, 242, 235, 0.75);
            --border-gold: rgba(255, 215, 0, 0.25);
            --border-gold-strong: rgba(255, 215, 0, 0.5);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-soft: 0 12px 32px rgba(0, 0, 0, 0.28);
            --shadow-gold: 0 6px 24px rgba(255, 215, 0, 0.18);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--bg-dark);
            color: var(--mint);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: var(--gold-soft);
            text-decoration: none;
        }

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

        button:focus,
        a:focus,
        .btn:focus,
        .accordion-button:focus {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            box-shadow: none;
        }

        .container {
            max-width: 1140px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== Navbar ===== */
        .navbar {
            background-color: rgba(7, 31, 18, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 0.9rem 0;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
        }

        .navbar.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
            padding: 0.65rem 0;
        }

        .navbar-brand {
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--white);
            display: inline-flex;
            align-items: center;
            gap: 0.15rem;
        }

        .navbar-brand span {
            color: var(--gold);
        }

        .navbar-brand:hover {
            color: var(--white);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, 0.4);
            width: 44px;
            height: 40px;
            padding: 0.4rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23FFD700' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .nav-link {
            color: var(--mint) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.6rem 1rem !important;
            margin: 0 0.25rem;
            position: relative;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 0.25rem;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: var(--gold) !important;
        }

        .nav-link:hover::after {
            width: 50%;
        }

        .nav-link.active {
            color: var(--gold) !important;
        }

        .nav-link.active::after {
            width: 50%;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 215, 0, 0.5);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.5rem 1.4rem;
            border-radius: 50rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--gold);
            color: var(--gold-soft);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--gold), var(--gold-deep));
            border: none;
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.5rem 1.6rem;
            border-radius: 50rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.25);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, var(--gold-soft), var(--gold));
            color: #0A2E1C;
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.35);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 8rem 0 5rem;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 31, 18, 0.82) 0%, rgba(10, 46, 28, 0.9) 55%, rgba(10, 46, 28, 0.97) 100%);
            z-index: -2;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 35%),
                              radial-gradient(circle at 80% 70%, rgba(211, 47, 47, 0.12) 0%, transparent 35%);
            z-index: -1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--gold);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.45rem 1.2rem;
            border-radius: 50rem;
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
        }

        .hero h1 {
            font-size: 2.7rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--white);
            margin-bottom: 1.25rem;
        }

        .hero h1 .highlight {
            color: var(--gold);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted-2);
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-play-wrap {
            display: flex;
            justify-content: center;
            margin-bottom: 2.2rem;
        }

        .hero-play {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 76px;
            height: 76px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 1.8rem;
            transition: var(--transition);
            animation: playPulse 2.4s ease-in-out infinite;
            position: relative;
        }

        .hero-play:hover {
            background: var(--gold);
            color: #0A2E1C;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(255, 215, 0, 0.55);
        }

        @keyframes playPulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4); }
            50% { box-shadow: 0 0 0 14px rgba(255, 215, 0, 0); }
        }

        .hero-cta .btn {
            font-weight: 700;
            padding: 0.85rem 2.2rem;
            border-radius: 50rem;
            font-size: 1rem;
        }

        .btn-outline-hero {
            border: 2px solid rgba(209, 242, 235, 0.5);
            color: var(--mint);
            background: transparent;
            transition: var(--transition);
        }

        .btn-outline-hero:hover {
            border-color: var(--mint);
            background: rgba(209, 242, 235, 0.1);
            color: var(--white);
        }

        /* ===== Section common ===== */
        section {
            padding: 4.5rem 0;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted-2);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 720px;
        }

        /* ===== Pain points ===== */
        .pain-card {
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 1.6rem;
            height: 100%;
            transition: var(--transition);
        }

        .pain-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(211, 47, 47, 0.16);
            color: #ff6b6b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .pain-card h3 {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .pain-card p {
            color: var(--text-muted-2);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== Solution ===== */
        .solution-section {
            background-color: var(--bg-forest);
        }

        .solution-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 215, 0, 0.25);
            box-shadow: var(--shadow-soft);
            position: relative;
        }

        .solution-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .solution-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .solution-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0 0;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
            margin-bottom: 1rem;
            color: var(--mint);
            font-size: 0.98rem;
            line-height: 1.6;
        }

        .solution-list li i {
            color: var(--gold);
            font-size: 1.05rem;
            margin-top: 0.15rem;
            flex-shrink: 0;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--bg-deeper);
        }

        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .step-number {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold), var(--gold-deep));
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.25);
        }

        .step-content h3 {
            color: var(--white);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .step-content p {
            color: var(--text-muted-2);
            margin-bottom: 0;
            font-size: 0.97rem;
            line-height: 1.65;
        }

        /* ===== Benefits ===== */
        .benefit-grid .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.6rem;
        }

        .benefit-item i {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .benefit-item h4 {
            color: var(--white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }

        .benefit-item p {
            color: var(--text-muted-2);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== Testimonials ===== */
        .testimonial-card {
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            height: 100%;
            position: relative;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
        }

        .testimonial-card .quote-icon {
            color: var(--gold);
            font-size: 1.5rem;
            opacity: 0.5;
            margin-bottom: 0.8rem;
        }

        .testimonial-card p {
            color: var(--mint);
            font-size: 0.98rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .testimonial-author .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold-deep), #735c1a);
            color: #0A2E1C;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .testimonial-author strong {
            color: var(--white);
            font-size: 0.95rem;
            display: block;
        }

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

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

        .accordion-item {
            background: rgba(7, 31, 18, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.9rem;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--white);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.2rem 1.4rem;
            border: none;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--gold);
            box-shadow: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFD700'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            color: var(--text-muted-2);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 1.2rem 1.4rem 1.4rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-deeper);
            text-align: center;
            padding: 4rem 0;
        }

        .cta-inner {
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 1rem;
        }

        .cta-inner p {
            color: var(--text-muted-2);
            font-size: 1.05rem;
            margin-bottom: 2rem;
        }

        /* ===== Footer ===== */
        .footer {
            background-color: #051A0E;
            padding: 3.5rem 0 2rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 0.8rem;
        }

        .text-mint {
            color: var(--mint) !important;
        }

        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .footer-links a {
            display: block;
            color: rgba(209, 242, 235, 0.65);
            font-size: 0.92rem;
            margin-bottom: 0.55rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--red);
            color: #fff;
            font-weight: 800;
            font-size: 0.9rem;
            margin-right: 0.5rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .footer-bottom {
            margin-top: 2.2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(209, 242, 235, 0.5);
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: var(--gold);
        }

        .footer-bottom a:hover {
            color: var(--gold-soft);
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #2E6B48, #0B0B0B);
            border: 2px solid var(--gold);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            opacity: 0.85;
            transition: var(--transition);
            animation: fabBreath 3.2s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            color: var(--gold-soft);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            animation-play-state: paused;
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(0.5px);
        }

        @keyframes fabBreath {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35); }
            50% { box-shadow: 0 4px 24px rgba(255, 215, 0, 0.6); }
        }

        .fab-notice {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: #b30000;
            border: 2px solid #fff;
            animation: blinkRed 1.6s ease-in-out infinite;
        }

        @keyframes blinkRed {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.85); }
        }

        /* ===== Modal ===== */
        .modal-content {
            background-color: var(--bg-deeper);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .video-status {
            display: inline-flex;
            align-items: center;
            color: var(--mint);
            font-size: 0.95rem;
            background: rgba(0, 0, 0, 0.65);
            padding: 0.6rem 1.2rem;
            border-radius: 50rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 31, 18, 0.98);
                border-radius: 0 0 14px 14px;
                padding: 1rem;
                margin-top: 0.75rem;
                border: 1px solid rgba(255, 215, 0, 0.15);
            }

            .nav-link {
                padding: 0.75rem 1rem !important;
            }

            .d-flex.align-items-center {
                margin-top: 0.75rem;
            }

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

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

            section {
                padding: 3.5rem 0;
            }

            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero {
                min-height: 520px;
                padding: 7rem 0 4rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero-play {
                width: 64px;
                height: 64px;
                font-size: 1.5rem;
            }

            .hero-cta .btn {
                padding: 0.75rem 1.6rem;
                font-size: 0.95rem;
                display: block;
                width: 100%;
                margin-bottom: 0.75rem;
            }

            .solution-img-wrap img {
                aspect-ratio: 16/9;
            }

            .step-item {
                flex-direction: column;
                gap: 0.75rem;
            }

            .fab-royal {
                width: 50px;
                height: 50px;
                font-size: 1.15rem;
                bottom: 5rem;
                left: 0.75rem;
            }
        }

        @media (max-width: 519.98px) {
            .navbar-brand {
                font-size: 1.2rem;
            }

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

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

            .cta-inner h2 {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
/* ============================================
           DESIGN SYSTEM — Lucky Gold & Emerald Jade
           ============================================ */
        :root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --jade-dark: #071F12;
            --jade-panel: #0F3521;
            --gold: #FFD700;
            --gold-light: #FFE55C;
            --gold-soft: #E6C84F;
            --lucky-red: #D32F2F;
            --white: #FFFFFF;
            --pale-mint: #D1F2EB;
            --muted-mint: #A7C9BB;
            --border-soft: rgba(255, 215, 0, 0.25);
            --border-mint: rgba(209, 242, 235, 0.15);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ---------- Base Reset ---------- */
        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            padding-top: 70px;
            background: var(--jade-deep);
            color: var(--pale-mint);
            font-family: 'Segoe UI', 'Inter', 'Roboto', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 992px) {
            body {
                padding-top: 62px;
            }
        }

        @media (max-width: 576px) {
            body {
                padding-top: 58px;
            }
        }

        /* ---------- Navbar ---------- */
        .navbar {
            padding: 14px 0;
            background: rgba(7, 31, 18, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--gold);
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .navbar-brand span {
            color: var(--white);
        }

        .navbar-brand:hover {
            color: var(--gold-light);
        }

        .navbar-brand:hover span {
            color: var(--pale-mint);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 215, 0, 0.4);
            background: transparent;
            padding: 8px 12px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,215,0,0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 24px;
            height: 24px;
        }

        .navbar-nav {
            gap: 6px;
        }

        .navbar-nav .nav-link {
            color: var(--pale-mint);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: var(--gold);
            font-weight: 600;
            background: rgba(255, 215, 0, 0.1);
        }

        .btn-login {
            background: transparent;
            color: var(--pale-mint);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--gold);
            border-color: var(--gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            background: var(--gold);
            color: var(--jade-dark);
            border: none;
            border-radius: 50px;
            padding: 8px 22px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }

        .btn-signup:hover {
            background: var(--gold-light);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
            transform: translateY(-2px);
            color: var(--jade-dark);
        }

        .navbar .d-flex.align-items-center {
            gap: 10px;
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(7, 31, 18, 0.98);
                border-radius: 16px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid rgba(255, 215, 0, 0.15);
                box-shadow: var(--shadow-md);
            }

            .navbar-nav {
                gap: 4px;
                margin-bottom: 12px;
            }

            .navbar .d-flex.align-items-center {
                flex-wrap: wrap;
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 360px) {
            .navbar-brand {
                font-size: 1.25rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
        }

        /* ---------- FAB (Fixed Action Button) ---------- */
        .fab-gold {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A, #0D0D0D);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 20px;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-gold:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: var(--gold-light);
        }

        .fab-gold:focus {
            outline: 3px solid rgba(255, 215, 0, 0.5);
            outline-offset: 2px;
        }

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

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

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

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

        @media (max-width: 576px) {
            .fab-gold {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 18px;
            }
        }

        /* ---------- Article Hero ---------- */
        .article-hero {
            position: relative;
            padding: 100px 0 80px;
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
        }

        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 31, 18, 0.96) 0%, rgba(10, 46, 28, 0.88) 50%, rgba(7, 31, 18, 0.96) 100%);
            pointer-events: none;
        }

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

        .breadcrumb {
            margin-bottom: 28px;
            background: transparent;
            padding: 0;
        }

        .breadcrumb-item a {
            color: var(--pale-mint);
            font-weight: 500;
        }

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

        .breadcrumb-item.active {
            color: var(--gold);
            font-weight: 600;
        }

        .breadcrumb-item + .breadcrumb-item::before {
            color: var(--muted-mint);
            content: '›';
        }

        .badge-category {
            background: var(--gold);
            color: var(--jade-dark);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            display: inline-block;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .article-h1 {
            color: var(--white);
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            max-width: 860px;
        }

        .article-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--muted-mint);
            margin-top: 20px;
            font-size: 0.95rem;
        }

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

        .article-meta i {
            color: var(--gold);
            font-size: 1rem;
        }

        @media (max-width: 992px) {
            .article-hero {
                padding: 80px 0 60px;
                min-height: 320px;
            }
            .article-h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 576px) {
            .article-hero {
                padding: 60px 0 50px;
                min-height: 260px;
            }
            .article-h1 {
                font-size: 1.7rem;
            }
            .article-meta {
                gap: 14px;
                font-size: 0.85rem;
                flex-direction: column;
            }
        }

        /* ---------- Article Body ---------- */
        .article-body-section {
            padding: 60px 0;
            background: var(--jade-deep);
        }

        .article-content-wrap {
            background: var(--jade-forest);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: 20px;
            padding: 48px 44px;
            box-shadow: var(--shadow-md);
        }

        .article-content {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--pale-mint);
        }

        .article-content h2 {
            font-size: 1.8rem;
            color: var(--gold);
            margin: 2.8rem 0 1.2rem;
            font-weight: 700;
            letter-spacing: -0.2px;
        }

        .article-content h3 {
            font-size: 1.4rem;
            color: var(--white);
            margin: 2.2rem 0 0.9rem;
            font-weight: 600;
        }

        .article-content h4 {
            font-size: 1.2rem;
            color: var(--gold-soft);
            margin: 1.8rem 0 0.7rem;
            font-weight: 600;
        }

        .article-content p {
            margin-bottom: 1.25rem;
        }

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

        .article-content a:hover {
            color: var(--gold-light);
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.6rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 20px 24px;
            font-style: italic;
            color: var(--pale-mint);
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 1.8rem 0;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: rgba(7, 31, 18, 0.4);
            border-radius: 12px;
            overflow: hidden;
        }

        .article-content th {
            background: rgba(255, 215, 0, 0.15);
            color: var(--gold);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }

        .article-content td {
            padding: 12px 16px;
            border-top: 1px solid rgba(209, 242, 235, 0.1);
            color: var(--pale-mint);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            margin: 2.5rem 0;
        }

        .article-content code {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            color: var(--pale-mint);
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--gold);
            margin-bottom: 24px;
            opacity: 0.7;
        }

        .article-not-found h2 {
            color: var(--gold);
            margin-bottom: 16px;
            font-size: 1.8rem;
            font-weight: 700;
        }

        .article-not-found p {
            margin-bottom: 32px;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .article-content-wrap {
                padding: 28px 20px;
                border-radius: 16px;
            }
            .article-content {
                font-size: 1rem;
            }
            .article-content h2 {
                font-size: 1.5rem;
            }
            .article-content h3 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 480px) {
            .article-content-wrap {
                padding: 20px 16px;
                border-radius: 12px;
            }
            .article-content {
                font-size: 0.95rem;
            }
        }

        /* ---------- Pull Quote Section ---------- */
        .pull-quote-section {
            position: relative;
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat fixed;
        }

        .pull-quote-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(7, 31, 18, 0.92);
        }

        .pull-quote-section .container {
            position: relative;
            z-index: 1;
        }

        .pull-quote {
            font-size: 1.5rem;
            line-height: 1.6;
            color: var(--pale-mint);
            font-style: italic;
            border-left: 4px solid var(--gold);
            padding-left: 32px;
            margin: 0 auto;
            max-width: 820px;
            text-align: left;
        }

        .pull-quote cite {
            display: block;
            font-size: 1rem;
            color: var(--gold);
            font-style: normal;
            margin-top: 18px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .pull-quote-section {
                padding: 60px 0;
            }
            .pull-quote {
                font-size: 1.2rem;
                padding-left: 20px;
            }
        }

        /* ---------- Quick Tips ---------- */
        .quick-tips {
            padding: 80px 0;
            background: var(--jade-deep);
        }

        .quick-tips .section-title {
            color: var(--gold);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 28px;
            text-align: left;
        }

        .tips-image {
            border-radius: 20px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            aspect-ratio: 3/4;
            width: 100%;
        }

        .tips-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
            color: var(--pale-mint);
            line-height: 1.55;
            font-size: 1.05rem;
            padding: 14px 18px;
            background: rgba(255, 215, 0, 0.04);
            border-radius: 12px;
            border-left: 3px solid var(--gold);
            transition: var(--transition);
        }

        .tips-list li:hover {
            background: rgba(255, 215, 0, 0.08);
            border-left-color: var(--gold-light);
        }

        .tips-list li i {
            color: var(--gold);
            font-size: 1.2rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .quick-tips {
                padding: 60px 0;
            }
            .quick-tips .section-title {
                font-size: 1.6rem;
                margin-top: 28px;
            }
            .tips-image {
                margin-bottom: 24px;
                aspect-ratio: 16/9;
            }
            .tips-list li {
                font-size: 0.95rem;
                padding: 12px 14px;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            padding: 80px 0;
            background: var(--jade-dark);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }

        .faq-section .section-title {
            color: var(--gold);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: center;
        }

        .faq-section .accordion-item {
            background: var(--jade-forest);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-section .accordion-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .faq-section .accordion-button {
            background: var(--jade-forest);
            color: var(--white);
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            border: none;
            box-shadow: none;
            border-radius: 14px !important;
            transition: var(--transition);
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25);
            border: none;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: var(--jade-panel);
            color: var(--gold);
            box-shadow: none;
        }

        .faq-section .accordion-button::after {
            filter: brightness(0) invert(0.85);
            background-size: 16px;
        }

        .faq-section .accordion-body {
            color: var(--pale-mint);
            padding: 0 24px 22px;
            line-height: 1.65;
            font-size: 0.95rem;
        }

        .faq-section .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(0.65) sepia(1) saturate(4) hue-rotate(40deg);
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 60px 0;
            }
            .faq-section .section-title {
                font-size: 1.6rem;
                margin-bottom: 28px;
            }
            .faq-section .accordion-button {
                font-size: 0.95rem;
                padding: 15px 18px;
            }
            .faq-section .accordion-body {
                font-size: 0.88rem;
                padding: 0 18px 18px;
            }
        }

        /* ---------- CTA ---------- */
        .cta-section {
            padding: 80px 0;
            background: var(--jade-deep);
        }

        .cta-card {
            background: linear-gradient(135deg, var(--jade-panel) 0%, var(--jade-dark) 100%);
            border: 2px solid rgba(255, 215, 0, 0.35);
            border-radius: 24px;
            padding: 56px 44px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.2), transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            color: var(--gold);
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }

        .cta-card p {
            color: var(--pale-mint);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-gold {
            background: var(--gold);
            color: var(--jade-dark);
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 50px;
            border: none;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-block;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover {
            background: var(--gold-light);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-3px);
            color: var(--jade-dark);
        }

        .btn-gold:focus {
            outline: 3px solid rgba(255, 215, 0, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-mint {
            border: 1px solid var(--pale-mint);
            color: var(--pale-mint);
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-block;
            background: transparent;
        }

        .btn-outline-mint:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            border-color: var(--white);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-card {
                padding: 40px 24px;
                border-radius: 18px;
            }
            .cta-card h2 {
                font-size: 1.7rem;
            }
            .cta-card p {
                font-size: 1rem;
            }
            .btn-gold,
            .btn-outline-mint {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 400px) {
            .cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-gold,
            .btn-outline-mint {
                width: 100%;
                text-align: center;
            }
        }

        /* ---------- Footer ---------- */
        .footer {
            background: var(--jade-dark);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--pale-mint);
        }

        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-brand span {
            color: var(--white);
        }

        .footer .text-mint {
            color: var(--pale-mint) !important;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .badge-18 {
            background: var(--lucky-red);
            color: var(--white);
            padding: 5px 10px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.8rem;
            display: inline-block;
            margin-right: 8px;
        }

        .footer h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--gold);
        }

        .footer-links a {
            display: block;
            color: var(--muted-mint);
            margin-bottom: 10px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .footer .badge {
            font-size: 0.82rem;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .footer .badge:hover {
            background: var(--gold) !important;
            color: var(--jade-dark) !important;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }

        .footer-bottom p {
            color: var(--muted-mint);
            font-size: 0.9rem;
        }

        .footer-bottom a {
            color: var(--gold);
            font-weight: 500;
        }

        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        @media (max-width: 992px) {
            .footer {
                padding: 40px 0 24px;
            }
            .footer h5 {
                margin-bottom: 14px;
                font-size: 1rem;
            }
        }

        @media (max-width: 576px) {
            .footer-brand {
                font-size: 1.3rem;
            }
            .footer-bottom p {
                font-size: 0.82rem;
            }
        }

        /* ---------- Utility / Spacing ---------- */
        .section-padding {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        .text-gold {
            color: var(--gold);
        }

        .fw-extra {
            font-weight: 800;
        }

/* roulang page: category2 */
:root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --jade-mid: #1A4A2E;
            --jade-light: #2E6A44;
            --gold: #FFD700;
            --gold-light: #FFED8A;
            --gold-soft: rgba(255, 215, 0, 0.12);
            --red-lucky: #D32F2F;
            --white: #FFFFFF;
            --mint-pale: #D1F2EB;
            --mint-light: #E8F6F0;
            --text-dark: #0E1F16;
            --text-muted: #7B8D82;
            --border-soft: rgba(255, 215, 0, 0.18);
            --border-gold: rgba(255, 215, 0, 0.35);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --radius-xl: 38px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.18);
            --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.24);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.28);
            --shadow-gold-lg: 0 12px 40px rgba(255, 215, 0, 0.18);
            --font-sans: 'Be Vietnam Pro', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s ease;
            --transition-slow: 0.5s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--jade-deep);
            color: var(--white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover {
            color: var(--gold-light);
            text-decoration: none;
        }

        button {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* Container */
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Navbar */
        .navbar {
            background-color: rgba(10, 46, 28, 0.92) !important;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding-top: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            transition: all var(--transition-med);
            z-index: 99;
        }

        .navbar.scrolled {
            background-color: rgba(8, 35, 21, 0.98) !important;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 215, 0, 0.2);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.6rem;
            letter-spacing: -0.02em;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .navbar-brand span {
            color: var(--gold);
            font-weight: 800;
        }

        .navbar-brand:hover {
            color: var(--white);
        }

        .navbar-nav {
            gap: 0.5rem;
        }

        .navbar-nav .nav-link {
            color: var(--mint-pale);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--gold);
            background-color: var(--gold-soft);
        }

        .navbar-nav .nav-link.active {
            color: var(--gold);
            font-weight: 700;
            background-color: var(--gold-soft);
        }

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background-color: var(--gold);
            border-radius: 2px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: var(--white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.3rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            margin-right: 0.5rem;
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--gold);
            color: var(--gold);
            background-color: rgba(255, 215, 0, 0.06);
        }

        .btn-signup {
            background: var(--gold);
            border: 1px solid var(--gold);
            color: var(--jade-deep);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: var(--jade-deep);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.4rem 0.7rem;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero Section */
        .hero-video-hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding-top: 7rem;
            padding-bottom: 4rem;
            margin-top: 0;
        }

        .hero-video-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 35, 21, 0.75) 0%, rgba(10, 46, 28, 0.7) 40%, rgba(10, 46, 28, 0.95) 100%);
            z-index: 1;
        }

        .hero-video-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.06) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content-wrap {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.45rem 1.2rem;
            border-radius: 50px;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.7s ease-out;
        }

        .hero-tag-badge i {
            font-size: 0.9rem;
        }

        .hero-video-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--white);
            letter-spacing: -0.02em;
            margin-bottom: 1.3rem;
            animation: fadeInUp 0.7s ease-out 0.1s both;
        }

        .hero-video-hero h1 .gold-text {
            color: var(--gold);
            position: relative;
        }

        .hero-video-hero h1 .gold-text::after {
            content: '';
            position: absolute;
            bottom: 0.1em;
            left: 0;
            width: 100%;
            height: 0.18em;
            background: rgba(255, 215, 0, 0.25);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: var(--mint-pale);
            font-weight: 400;
            margin-bottom: 2rem;
            opacity: 0.9;
            animation: fadeInUp 0.7s ease-out 0.2s both;
            max-width: 640px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            animation: fadeInUp 0.7s ease-out 0.3s both;
        }

        .btn-hero-primary {
            background: var(--gold);
            border: none;
            color: var(--jade-deep);
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 2rem;
            border-radius: 50px;
            transition: all var(--transition-med);
            box-shadow: var(--shadow-gold-lg);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 16px 40px rgba(255, 215, 0, 0.5);
            color: var(--jade-deep);
        }

        .btn-hero-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.85rem 1.8rem;
            border-radius: 50px;
            transition: all var(--transition-med);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-hero-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(255, 215, 0, 0.06);
        }

        .btn-play-hero {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.12);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-med);
            animation: pulseRing 2.2s infinite;
            flex-shrink: 0;
            margin-bottom: 1rem;
        }

        .btn-play-hero i {
            color: var(--white);
            font-size: 1.5rem;
            margin-left: 3px;
        }

        .btn-play-hero:hover {
            background: var(--gold);
            border-color: var(--gold);
            animation: none;
            transform: scale(1.05);
        }

        .btn-play-hero:hover i {
            color: var(--jade-deep);
        }

        @keyframes pulseRing {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 20px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section Common */
        .section-block {
            padding: 5rem 0;
            position: relative;
        }

        .section-label {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--gold);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .section-label::before {
            content: '';
            width: 30px;
            height: 2px;
            background-color: var(--gold);
            display: inline-block;
        }

        .section-heading {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--white);
            letter-spacing: -0.01em;
            margin-bottom: 1.2rem;
            text-align: left;
        }

        .section-description {
            font-size: 1.05rem;
            color: var(--mint-pale);
            opacity: 0.85;
            line-height: 1.65;
            margin-bottom: 1.5rem;
            text-align: left;
            max-width: 700px;
        }

        .divider-gold {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), rgba(255, 215, 0, 0));
            border-radius: 3px;
            margin: 1rem 0 2rem;
        }

        /* Pain Section */
        .pain-section {
            background-color: var(--jade-forest);
            background-image: radial-gradient(ellipse at top right, rgba(255, 215, 0, 0.05) 0%, transparent 55%);
            border-top: 1px solid rgba(255, 215, 0, 0.06);
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
        }

        .pain-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.8rem;
        }

        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid rgba(211, 47, 47, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .pain-icon i {
            color: #F5A3A3;
            font-size: 1.2rem;
        }

        .pain-item h5 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }

        .pain-item p {
            color: var(--mint-pale);
            opacity: 0.8;
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .pain-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-gold);
        }

        .pain-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.3) 0%, transparent 60%);
            pointer-events: none;
        }

        .pain-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        /* Solution Section */
        .solution-section {
            background-color: var(--jade-deep);
        }

        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .solution-list li {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
            padding: 1.3rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .solution-list li:last-child {
            border-bottom: none;
        }

        .solution-list .solution-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gold-soft);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 0.1rem;
        }

        .solution-list .solution-check i {
            color: var(--gold);
            font-size: 0.9rem;
        }

        .solution-list h5 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }

        .solution-list p {
            color: var(--mint-pale);
            opacity: 0.8;
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .solution-highlight-card {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.08), rgba(255, 215, 0, 0.02));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2.2rem;
            position: relative;
            overflow: hidden;
        }

        .solution-highlight-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light), transparent);
            border-radius: 4px 4px 0 0;
        }

        .solution-highlight-card .big-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }

        .solution-highlight-card p {
            color: var(--mint-pale);
            opacity: 0.85;
            font-size: 1rem;
            margin-bottom: 0;
        }

        /* Promo Cards */
        .promo-grid-section {
            background-color: var(--jade-forest);
            background-image: radial-gradient(ellipse at bottom left, rgba(255, 215, 0, 0.04) 0%, transparent 50%);
        }

        .promo-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-med);
            height: 100%;
            position: relative;
        }

        .promo-card:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            transform: translateY(-4px);
        }

        .promo-card-image {
            position: relative;
            width: 100%;
            height: 210px;
            overflow: hidden;
        }

        .promo-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .promo-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 46, 28, 0.75) 100%);
            pointer-events: none;
        }

        .promo-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 2;
            background: var(--red-lucky);
            color: var(--white);
            font-weight: 700;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            padding: 0.35rem 0.9rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

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

        .promo-card-body h4 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }

        .promo-card-body p {
            color: var(--mint-pale);
            opacity: 0.8;
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .promo-amount {
            display: inline-block;
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--gold);
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
        }

        .btn-promo-detail {
            background: transparent;
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .btn-promo-detail:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--jade-deep);
        }

        /* Steps */
        .steps-section {
            background-color: var(--jade-deep);
            background-image: radial-gradient(ellipse at top center, rgba(255, 215, 0, 0.03) 0%, transparent 70%);
        }

        .step-item {
            position: relative;
            padding: 1.5rem 0 1.5rem 4rem;
            border-left: 2px solid rgba(255, 215, 0, 0.15);
            margin-left: 1.5rem;
        }

        .step-item:last-child {
            border-left-color: transparent;
        }

        .step-number {
            position: absolute;
            left: -1.5rem;
            top: 1.2rem;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--jade-mid);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--gold);
            z-index: 1;
        }

        .step-item h5 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
        }

        .step-item p {
            color: var(--mint-pale);
            opacity: 0.8;
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Stats */
        .stats-section {
            background-color: var(--jade-forest);
            border-top: 1px solid rgba(255, 215, 0, 0.06);
            border-bottom: 1px solid rgba(255, 215, 0, 0.06);
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        .stat-item {
            text-align: center;
            padding: 1.2rem 1rem;
        }

        .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.1;
            letter-spacing: -0.02em;
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--mint-pale);
            opacity: 0.7;
            font-weight: 500;
            margin-top: 0.4rem;
            display: block;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--jade-deep);
        }

        .accordion-custom .accordion-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .accordion-custom .accordion-header {
            margin-bottom: 0;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--white);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.3rem 1.5rem;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .accordion-custom .accordion-button::after {
            display: none;
        }

        .accordion-custom .accordion-button .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-icon {
            background: var(--gold);
            color: var(--jade-deep);
            border-color: var(--gold);
        }

        .accordion-custom .accordion-body {
            padding: 0 1.5rem 1.5rem 4.4rem;
            color: var(--mint-pale);
            opacity: 0.85;
            font-size: 0.95rem;
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-final-section {
            background-color: var(--jade-forest);
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            padding: 5rem 0;
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.08);
        }

        .cta-final-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 46, 28, 0.88);
            z-index: 1;
        }

        .cta-final-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-final-content h2 {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-final-content p {
            font-size: 1.1rem;
            color: var(--mint-pale);
            opacity: 0.85;
            line-height: 1.65;
            margin-bottom: 2rem;
        }

        .cta-final-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        /* Footer */
        .footer {
            background-color: #061A10;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255, 215, 0, 0.08);
            color: var(--mint-pale);
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--white);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-brand span {
            color: var(--gold);
        }

        .footer .text-mint {
            color: var(--mint-pale);
            opacity: 0.75;
            font-size: 0.95rem;
            line-height: 1.65;
        }

        .footer h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: 0.01em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }

        .footer-links a {
            color: var(--mint-pale);
            opacity: 0.7;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-links a:hover {
            color: var(--gold);
            opacity: 1;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--red-lucky);
            color: var(--white);
            font-weight: 800;
            font-size: 0.75rem;
            border: 1px solid rgba(255, 255, 255, 0.4);
            margin-right: 0.6rem;
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: var(--mint-pale);
            opacity: 0.65;
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: var(--gold);
            opacity: 0.9;
        }

        .footer-bottom a:hover {
            color: var(--gold-light);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1.2rem;
            bottom: 5.5rem;
            z-index: 50;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: rgba(10, 46, 28, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-med);
            animation: fabBreathing 3.5s ease-in-out infinite;
            opacity: 0.7;
            color: var(--gold);
            font-size: 1.2rem;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

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

        .fab-floating .fab-notification-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--red-lucky);
            border: 2px solid rgba(255, 255, 255, 0.6);
            animation: blinkDot 1.6s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% {
                transform: translateY(0);
                opacity: 0.7;
                box-shadow: 0 4px 20px rgba(255, 215, 0, 0.28);
            }
            50% {
                transform: translateY(-5px);
                opacity: 0.85;
                box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
            }
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-video-hero h1 {
                font-size: 2.6rem;
            }
            .section-heading {
                font-size: 1.9rem;
            }
            .step-item {
                padding-left: 3.2rem;
                margin-left: 1rem;
            }
            .step-number {
                left: -1.2rem;
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
                top: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .hero-video-hero {
                min-height: 70vh;
                padding-top: 6rem;
                padding-bottom: 3rem;
            }
            .hero-video-hero h1 {
                font-size: 2rem;
                line-height: 1.25;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .section-block {
                padding: 3.5rem 0;
            }
            .section-heading {
                font-size: 1.6rem;
            }
            .section-description {
                font-size: 0.95rem;
            }
            .promo-card-image {
                height: 180px;
            }
            .stat-value {
                font-size: 2rem;
            }
            .cta-final-content h2 {
                font-size: 1.7rem;
            }
            .solution-highlight-card {
                padding: 1.5rem;
            }
            .solution-highlight-card .big-number {
                font-size: 2.5rem;
            }
            .fab-floating {
                width: 50px;
                height: 50px;
                left: 1rem;
                bottom: 5rem;
                font-size: 1rem;
            }
            .accordion-custom .accordion-body {
                padding-left: 1.5rem;
                padding-right: 1.2rem;
            }
            .accordion-custom .accordion-button {
                padding: 1.1rem 1.2rem;
                gap: 0.6rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .navbar-brand {
                font-size: 1.3rem;
            }
            .hero-video-hero {
                min-height: 65vh;
                padding-top: 5.5rem;
            }
            .hero-video-hero h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-play-hero {
                width: 52px;
                height: 52px;
            }
            .btn-play-hero i {
                font-size: 1.1rem;
            }
            .hero-actions {
                gap: 0.7rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                font-size: 0.85rem;
                padding: 0.7rem 1.2rem;
            }
            .section-block {
                padding: 2.8rem 0;
            }
            .section-heading {
                font-size: 1.4rem;
                line-height: 1.35;
            }
            .section-description {
                font-size: 0.9rem;
            }
            .divider-gold {
                margin: 0.8rem 0 1.5rem;
                width: 45px;
            }
            .pain-item {
                gap: 0.8rem;
                margin-bottom: 1.4rem;
            }
            .pain-icon {
                width: 38px;
                height: 38px;
                border-radius: 10px;
            }
            .pain-icon i {
                font-size: 1rem;
            }
            .pain-item h5 {
                font-size: 0.95rem;
            }
            .pain-item p {
                font-size: 0.85rem;
            }
            .solution-list li {
                gap: 0.8rem;
                padding: 1rem 0;
            }
            .solution-list .solution-check {
                width: 28px;
                height: 28px;
            }
            .solution-list .solution-check i {
                font-size: 0.8rem;
            }
            .solution-list h5 {
                font-size: 0.95rem;
            }
            .solution-list p {
                font-size: 0.85rem;
            }
            .promo-card-image {
                height: 160px;
            }
            .promo-card-body {
                padding: 1.2rem;
            }
            .promo-card-body h4 {
                font-size: 1rem;
            }
            .promo-amount {
                font-size: 1.2rem;
            }
            .step-item {
                padding: 1.2rem 0 1.2rem 2.8rem;
                margin-left: 0.8rem;
            }
            .step-number {
                left: -1rem;
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
                top: 1.1rem;
            }
            .step-item h5 {
                font-size: 0.95rem;
            }
            .step-item p {
                font-size: 0.85rem;
            }
            .stat-value {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
            .cta-final-content h2 {
                font-size: 1.4rem;
            }
            .cta-final-content p {
                font-size: 0.95rem;
            }
            .cta-final-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-final-actions .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer {
                padding: 3rem 0 1.5rem;
            }
            .footer-brand {
                font-size: 1.3rem;
            }
        }