/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #062315;
            --bg-card: rgba(10, 46, 28, 0.85);
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-lime: #32CD32;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-soft: #A7D8C9;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 0 0 1px rgba(255, 215, 0, 0.3), 0 4px 24px rgba(255, 215, 0, 0.12);
            --font-main: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --font-display: 'Be Vietnam Pro', 'Inter', 'Segoe UI', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        ::selection {
            background: var(--accent-gold);
            color: #0A2E1C;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }

        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border-radius: 50%;
            color: #0A2E1C;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.4), 0 0 20px rgba(255, 215, 0, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }

        .nav-links a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-mint);
            transition: all 0.3s ease;
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .nav-auth .btn-login {
            padding: 9px 18px;
            border-radius: 9999px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-white);
            border: 1px solid var(--border-soft);
            background: transparent;
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .nav-auth .btn-signup {
            padding: 10px 22px;
            border-radius: 9999px;
            font-size: 0.88rem;
            font-weight: 800;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border: none;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }

        .nav-auth .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.5);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 1.3rem;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background 0.3s ease;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: rgba(6, 35, 21, 0.99);
            border-top: 1px solid var(--border-gold);
            padding: 16px 24px;
            gap: 8px;
        }

        .mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--text-mint);
            transition: all 0.3s ease;
        }

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

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.88) 0%, rgba(6, 35, 21, 0.68) 50%, rgba(10, 46, 28, 0.9) 100%);
            z-index: -1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to bottom, transparent, var(--bg-primary));
            z-index: -1;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 9999px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            font-size: 0.8rem;
            font-weight: 700;
            color: #FF8A80;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF5252;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            color: var(--text-white);
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }

        .hero-title .gold-highlight {
            background: linear-gradient(135deg, #FFD700, #FF9F00, #FFD700);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 9999px;
            font-size: 1rem;
            font-weight: 800;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(255, 215, 0, 0.55);
        }

        .btn-primary:focus-visible {
            outline: 3px solid #FFD700;
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 28px;
            border-radius: 9999px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            background: transparent;
            border: 2px solid rgba(255, 215, 0, 0.6);
            cursor: pointer;
            transition: all 0.35s ease;
        }

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

        .hero-trust-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--text-soft);
        }

        .hero-trust-row span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-trust-row i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* Progress Ring Panel */
        .hero-panel {
            background: rgba(10, 46, 28, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-gold);
        }

        .hero-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
        }

        .hero-panel-header h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
        }

        .hero-panel-header span {
            font-size: 0.8rem;
            color: var(--text-soft);
            background: rgba(255, 255, 255, 0.06);
            padding: 4px 12px;
            border-radius: 9999px;
        }

        .progress-ring-wrap {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-bottom: 22px;
        }

        .progress-ring {
            position: relative;
            flex-shrink: 0;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
        }

        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 10;
        }

        .progress-ring .ring-fill {
            fill: none;
            stroke: url(#goldGrad);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-ring .ring-center strong {
            display: block;
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1;
        }

        .progress-ring .ring-center small {
            font-size: 0.78rem;
            color: var(--text-soft);
        }

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

        .progress-info p {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-bottom: 12px;
            line-height: 1.55;
        }

        .progress-meta {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .progress-meta .meta-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-soft);
            padding-bottom: 8px;
            border-bottom: 1px dashed var(--border-soft);
        }

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

        .progress-meta .meta-item strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .tier-preview {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tier-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

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

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

        .tier-card .tier-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .tier-card .tier-icon.tier-bronze {
            background: rgba(205, 127, 50, 0.3);
            color: #CD7F32;
        }

        .tier-card .tier-icon.tier-silver {
            background: rgba(192, 192, 192, 0.25);
            color: #C0C0C0;
        }

        .tier-card .tier-icon.tier-gold {
            background: rgba(255, 215, 0, 0.22);
            color: #FFD700;
        }

        .tier-card .tier-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            white-space: nowrap;
        }

        .tier-card .tier-reward {
            font-size: 0.78rem;
            color: var(--text-soft);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tier-card .tier-tag {
            font-size: 0.72rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 9999px;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ============ STATS BAR ============ */
        .stats-section {
            padding: 40px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 16px;
        }

        .stat-item strong {
            display: block;
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item span {
            font-size: 0.85rem;
            color: var(--text-mint);
        }

        /* ============ GENERIC SECTION ============ */
        .section-block {
            padding: 76px 0;
        }

        .section-header {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-header.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.025em;
            margin-bottom: 12px;
        }

        .section-header h2 .gold-highlight {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-header p {
            font-size: 0.98rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            padding: 5px 14px;
            border-radius: 9999px;
            margin-bottom: 14px;
        }

        /* ============ SERVICE HIGHLIGHTS ============ */
        .service-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
        }

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

        .service-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #FFD700, #FF9F00);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .service-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card .svc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 159, 0, 0.15));
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
        }

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

        /* ============ DOWNLOAD GUIDE ============ */
        .download-section {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
        }

        .download-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.94) 0%, rgba(6, 35, 21, 0.85) 100%);
            z-index: -1;
        }

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

        .download-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
        }

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

        .download-card .dl-top {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .download-card .dl-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 9999px;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .download-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .download-card p {
            font-size: 0.86rem;
            color: var(--text-mint);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 18px;
        }

        .download-card .dl-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 9999px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--accent-gold);
            background: transparent;
            border: 1px solid var(--border-gold);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .download-card .dl-btn:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
        }

        /* ============ TIME SLOTS ============ */
        .slots-section {
            background: var(--bg-secondary);
        }

        .slots-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .slot-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            transition: all 0.35s ease;
            position: relative;
        }

        .slot-card:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateY(-3px);
        }

        .slot-card .slot-time {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 800;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            padding: 4px 14px;
            border-radius: 9999px;
            margin-bottom: 14px;
        }

        .slot-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .slot-card p {
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .slot-card .slot-bonus {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            color: #32CD32;
        }

        .slot-card .slot-bonus i {
            font-size: 0.9rem;
        }

        /* ============ GIFTCODE ============ */
        .giftcode-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
        }

        .giftcode-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: start;
        }

        .giftcode-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .giftcode-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

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

        .giftcode-item .gc-info {
            min-width: 0;
        }

        .giftcode-item .gc-code {
            font-family: 'Courier New', monospace;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        .giftcode-item .gc-desc {
            font-size: 0.82rem;
            color: var(--text-mint);
        }

        .giftcode-item .gc-expire {
            font-size: 0.72rem;
            color: #FF8A80;
            font-weight: 600;
        }

        .giftcode-item .gc-btn {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 700;
            color: #0A2E1C;
            background: var(--accent-gold);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .giftcode-item .gc-btn:hover {
            background: #FFC400;
            transform: scale(1.05);
        }

        .giftcode-side {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
        }

        .giftcode-side h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .giftcode-side ol {
            padding-left: 20px;
            color: var(--text-mint);
            font-size: 0.88rem;
            line-height: 1.65;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .giftcode-side ol li::marker {
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* ============ NEWS / CMS ============ */
        .news-section {
            background: var(--bg-secondary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: start;
        }

        .news-featured {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            transition: all 0.35s ease;
        }

        .news-featured:hover {
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .news-featured .featured-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: #0A2E1C;
            background: var(--accent-gold);
            padding: 5px 14px;
            border-radius: 9999px;
            margin-bottom: 16px;
        }

        .news-featured h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-featured p {
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .news-featured .featured-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-soft);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
        }

        .news-list-item:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
            transform: translateX(4px);
        }

        .news-list-item .nl-left {
            min-width: 0;
            flex: 1;
        }

        .news-list-item h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-list-item .nl-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-soft);
        }

        .news-list-item .nl-arrow {
            color: var(--accent-gold);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .news-empty {
            padding: 28px 20px;
            text-align: center;
            color: var(--text-mint);
            background: rgba(255, 255, 255, 0.04);
            border: 1px dashed var(--border-soft);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 100%);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.35s ease;
        }

        .faq-item:hover {
            border-color: var(--border-gold);
        }

        .faq-item.active {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.04);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            color: var(--text-white);
            font-size: 0.95rem;
            transition: color 0.3s ease;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-gold);
            transition: transform 0.35s ease;
            font-size: 0.85rem;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ============ FORM / CTA ============ */
        .form-section {
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            isolation: isolate;
            padding: 80px 0;
        }

        .form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.93) 0%, rgba(6, 35, 21, 0.88) 100%);
            z-index: -1;
        }

        .form-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 40px;
            align-items: center;
        }

        .form-info h2 {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.025em;
            margin-bottom: 14px;
        }

        .form-info h2 .gold-highlight {
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .form-info p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 24px;
        }

        .form-benefits {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-mint);
        }

        .form-benefits span {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .form-benefits i {
            color: #32CD32;
            font-size: 0.9rem;
        }

        .booking-form {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }

        .booking-form .form-heading {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .booking-form .form-sub {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--text-mint);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-soft);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: all 0.3s ease;
            outline: none;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }

        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23FFD700' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .form-group select option {
            background: var(--bg-secondary);
            color: var(--text-white);
        }

        .form-submit {
            width: 100%;
            padding: 15px 28px;
            border-radius: 9999px;
            font-size: 0.95rem;
            font-weight: 800;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border: none;
            cursor: pointer;
            transition: all 0.35s ease;
            margin-top: 8px;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.5);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 30px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #FFD700, #FF9F00);
            border-radius: 50%;
            color: #0A2E1C;
            font-size: 1rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .footer-socials {
            display: flex;
            gap: 10px;
        }

        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-soft);
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .footer-socials a:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

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

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-mint);
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-soft);
        }

        .footer-bottom a {
            color: var(--text-mint);
            transition: color 0.3s ease;
        }

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

        .footer-bottom .compliance {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(211, 47, 47, 0.25);
            border: 2px solid var(--accent-red);
            font-size: 0.72rem;
            font-weight: 900;
            color: #FF8A80;
        }

        /* ============ LEFT FAB ============ */
        .left-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 80;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A0A00, #0A2E1C);
            border: 3px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #FFD700;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.35s ease;
            animation: fab-float 3s ease-in-out infinite;
            position: fixed;
        }

        .left-fab::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #FFD700;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-8px); opacity: 1; }
        }

        .left-fab:hover {
            transform: scale(1.12);
            opacity: 1;
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

        .left-fab:active {
            transform: scale(0.94);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

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

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

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

            .form-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

        @media (max-width: 768px) {
            .nav-wrap {
                min-height: 60px;
            }

            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

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

            .nav-auth .btn-login {
                display: none;
            }

            .nav-auth .btn-signup {
                padding: 9px 16px;
                font-size: 0.8rem;
            }

            .hero-section {
                padding: 100px 0 60px;
            }

            .section-block {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .giftcode-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .giftcode-item .gc-btn {
                width: 100%;
                text-align: center;
            }

            .booking-form {
                padding: 26px 20px;
            }

            .tier-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .tier-card .tier-tag {
                align-self: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

            .hero-desc {
                font-size: 0.9rem;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
                font-size: 0.9rem;
            }

            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }

            .progress-ring-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

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

            .stat-item strong {
                font-size: 1.5rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

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

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

            .nav-auth .btn-login {
                display: none;
            }

            .left-fab {
                width: 44px;
                height: 44px;
                font-size: 1rem;
                bottom: 84px;
                left: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-neon: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.4);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.35);
            --radius-lg: 1.5rem;
            --radius-md: 1rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', system-ui, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1.5rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            text-decoration: none;
            color: var(--text-white);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 12px;
            color: #0F0C20;
            font-size: 1.2rem;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }

        .nav-links li a {
            position: relative;
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s ease;
            padding: 0.5rem 0;
            white-space: nowrap;
        }

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

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

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
            border-radius: 999px;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login,
        .btn-signup {
            border: none;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.6rem 1.2rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-login {
            background: transparent;
            color: var(--text-white);
            border: 1px solid rgba(0, 240, 255, 0.4);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), #A3E800);
            color: #0F0C20;
            box-shadow: 0 0 18px rgba(204, 255, 0, 0.45);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(204, 255, 0, 0.65);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .nav-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: rgba(15, 12, 32, 0.98);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 1rem 1.5rem;
            gap: 0.75rem;
        }

        .mobile-menu a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: color 0.2s ease;
        }

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

        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            padding: 6rem 0 5rem;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.92), rgba(11, 26, 48, 0.75));
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2.5rem;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 1.25rem;
            background: linear-gradient(to right, #FFFFFF, #CCFF00, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-silver);
            margin-bottom: 2rem;
            max-width: 560px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            background: linear-gradient(135deg, #CCFF00, #A3E800);
            color: #0F0C20;
            font-weight: 800;
            font-size: 1rem;
            padding: 0.9rem 1.8rem;
            border-radius: 999px;
            text-decoration: none;
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.45);
            transition: all 0.25s ease;
        }

        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(204, 255, 0, 0.7);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            background: transparent;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.9rem 1.8rem;
            border-radius: 999px;
            border: 1px solid rgba(0, 240, 255, 0.5);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1.2;
        }

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

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

        .hero-visual img {
            width: 100%;
            max-width: 380px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.25);
        }

        .section {
            padding: 4.5rem 0;
        }

        .section-header {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 0.25rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 700px;
            line-height: 1.7;
        }

        .download-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .download-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .download-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
        }

        .download-card .card-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
        }

        .download-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
        }

        .download-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
            flex-grow: 1;
        }

        .download-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin: 0.5rem 0;
        }

        .meta-badge {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
        }

        .card-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-cyan), #00B8D4);
            color: #0F0C20;
            font-weight: 800;
            padding: 0.8rem 1.5rem;
            border-radius: 999px;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .card-btn:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }

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

        .giftcode-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 999px;
            padding: 0.9rem 1.5rem;
            transition: all 0.25s ease;
        }

        .giftcode-item:hover {
            border-color: var(--accent-lime);
            box-shadow: var(--shadow-lime);
        }

        .giftcode-info {
            flex: 1;
        }

        .giftcode-label {
            display: block;
            font-size: 0.8rem;
            color: var(--text-silver);
            margin-bottom: 0.25rem;
        }

        .giftcode-code {
            font-family: monospace;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-lime);
            letter-spacing: 0.05em;
        }

        .btn-copy {
            background: rgba(204, 255, 0, 0.15);
            border: 1px solid rgba(204, 255, 0, 0.4);
            color: var(--accent-lime);
            font-weight: 700;
            padding: 0.5rem 1.2rem;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-copy:hover {
            background: var(--accent-lime);
            color: #0F0C20;
            box-shadow: 0 0 15px rgba(204, 255, 0, 0.5);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: all 0.3s ease;
        }

        .step-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: #0F0C20;
            font-weight: 900;
            border-radius: 50%;
            margin-bottom: 1rem;
        }

        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }

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

        .feature-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .feature-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 240, 255, 0.25);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
        }

        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .feature-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .feature-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.2rem;
        }

        .feature-text h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 0.3rem;
        }

        .feature-text p {
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }

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

        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            user-select: none;
        }

        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 1.5rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.08));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2rem;
            text-align: center;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }

        .cta-desc {
            color: var(--text-silver);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

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

        .site-footer {
            background: rgba(11, 26, 48, 0.6);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1.25rem;
            max-width: 420px;
        }

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

        .footer-socials a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--text-silver);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .footer-socials a:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 1.1rem;
            color: var(--accent-lime);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        .footer-bottom a {
            color: var(--accent-cyan);
            text-decoration: none;
        }

        /* FAB */
        .fab-button {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 999px;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15,12,32,0.8), rgba(15,12,32,0.8)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            cursor: pointer;
            transition: all 0.25s ease;
            font-size: 1.6rem;
            color: #00F0FF;
            text-decoration: none;
        }

        .fab-button:hover {
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.8);
            transform: scale(1.1);
            color: #CCFF00;
        }

        .fab-notification {
            position: absolute;
            top: 0;
            right: 0;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border: 2px solid #0F0C20;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual img {
                max-width: 300px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-showcase {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu.open {
                display: flex;
            }
            .nav-auth {
                display: flex;
            }
            .btn-login,
            .btn-signup {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            .hero-section {
                padding: 4rem 0 3rem;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .download-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .giftcode-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-main {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-download,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-light: #F8FBF7;
            --bg-card: #FFFFFF;
            --accent-gold: #FFCC00;
            --accent-gold-dark: #D4A800;
            --accent-lime: #32CD32;
            --text-dark: #1A2E20;
            --text-body: #2D3B32;
            --text-muted: #6B7280;
            --text-on-dark: #FFFDF0;
            --text-light-green: #C5E2D2;
            --border-light: #E8ECEA;
            --border-gold: rgba(255, 204, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 2px 12px rgba(11, 60, 37, 0.08);
            --shadow-hover: 0 8px 28px rgba(11, 60, 37, 0.16);
            --shadow-gold: 0 4px 20px rgba(255, 204, 0, 0.35);
            --transition-fast: 0.18s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ HEADER ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-primary);
            border-bottom: 1px solid rgba(255, 204, 0, 0.2);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-on-dark);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo:hover {
            color: var(--accent-gold);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold), #FFB800);
            color: var(--bg-primary);
            border-radius: 50%;
            font-size: 1.15rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light-green);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.08);
        }
        .nav-links a.active {
            color: var(--bg-primary);
            background: var(--accent-gold);
            font-weight: 700;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-on-dark);
            background: transparent;
            border: 1px solid rgba(255, 253, 240, 0.35);
            border-radius: var(--radius-sm);
        }
        .btn-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background: rgba(255, 204, 0, 0.08);
        }

        .btn-signup {
            padding: 9px 18px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFB800);
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            box-shadow: 0 2px 10px rgba(255, 204, 0, 0.25);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFD633, #FFC400);
            box-shadow: 0 4px 18px rgba(255, 204, 0, 0.45);
            transform: translateY(-1px);
        }
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 204, 0, 0.3);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 204, 0, 0.12);
            border: 1px solid rgba(255, 204, 0, 0.3);
            border-radius: var(--radius-sm);
            color: var(--accent-gold);
            font-size: 1.2rem;
        }
        .nav-toggle:hover {
            background: rgba(255, 204, 0, 0.2);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 204, 0, 0.15);
            padding: 10px 20px 20px;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            color: var(--text-light-green);
            font-weight: 600;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        .mobile-menu a.active {
            color: var(--accent-gold);
        }

        /* ============ MAIN & BREADCRUMB ============ */
        .page-main {
            flex: 1;
            background: var(--bg-light);
        }

        .article-banner {
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            padding: 32px 0 28px;
            border-bottom: 1px solid rgba(255, 204, 0, 0.15);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light-green);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-light-green);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb .sep {
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-title-meta h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-on-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.88rem;
            color: var(--text-light-green);
        }
        .article-meta-row i {
            color: var(--accent-gold);
            margin-right: 6px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 32px;
            padding: 36px 0 56px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            margin: 28px 0 12px;
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 22px 0 10px;
            line-height: 1.35;
        }
        .article-body p {
            margin-bottom: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 18px 20px;
            color: var(--text-body);
            line-height: 1.7;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 16px 0;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: #FFF9E8;
            padding: 12px 16px;
            margin: 16px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
        }
        .sidebar-card h3 i {
            color: var(--accent-gold-dark);
        }

        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-list li a {
            display: flex;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.4;
        }
        .sidebar-list li a i {
            color: var(--accent-lime);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .sidebar-list li a:hover {
            color: var(--bg-primary);
        }

        .download-widget {
            background: var(--bg-primary);
            border-radius: var(--radius-md);
            padding: 22px;
            color: var(--text-on-dark);
            text-align: left;
        }
        .download-widget h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--accent-gold);
        }
        .download-widget p {
            font-size: 0.88rem;
            color: var(--text-light-green);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .btn-download {
            display: block;
            width: 100%;
            padding: 12px;
            text-align: center;
            font-weight: 700;
            color: var(--bg-primary);
            background: linear-gradient(135deg, var(--accent-gold), #FFB800);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            box-shadow: var(--shadow-gold);
        }
        .btn-download:hover {
            background: linear-gradient(135deg, #FFD633, #FFC400);
            transform: translateY(-1px);
        }
        .btn-download-alt {
            display: block;
            width: 100%;
            padding: 12px;
            text-align: center;
            font-weight: 700;
            color: var(--text-on-dark);
            background: transparent;
            border: 1px solid rgba(255, 253, 240, 0.35);
            border-radius: var(--radius-sm);
        }
        .btn-download-alt:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .article-action-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .action-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .action-tag {
            padding: 5px 12px;
            background: #F0F7EF;
            color: var(--bg-primary);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
        }

        .not-found-box {
            text-align: left;
            background: #FFF9E8;
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px dashed var(--accent-gold-dark);
        }
        .not-found-box h2 {
            font-size: 1.4rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .not-found-box p {
            margin-bottom: 16px;
        }
        .not-found-box a {
            color: var(--bg-primary);
            font-weight: 700;
        }
        .not-found-box a:hover {
            color: var(--accent-gold-dark);
        }

        /* ============ CTA ============ */
        .page-cta {
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            padding: 48px 0;
            color: var(--text-on-dark);
        }
        .page-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .page-cta h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .page-cta p {
            color: var(--text-light-green);
            max-width: 560px;
        }
        .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            color: var(--text-light-green);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 204, 0, 0.15);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 14px 0 18px;
            color: #A9C5B4;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--text-on-dark);
        }
        .footer-socials {
            display: flex;
            gap: 10px;
        }
        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light-green);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .footer-socials a:hover {
            background: var(--accent-gold);
            color: var(--bg-primary);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            font-size: 0.88rem;
            color: #A9C5B4;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: #7A9384;
        }
        .footer-bottom span.text-gold {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ============ FAB ============ */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0B0B0B 0%, #1C1C1E 100%);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            opacity: 0.85;
            transition: all var(--transition-base);
            animation: fabBreathe 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.55);
        }
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-support::after {
            content: '';
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #FFFFFF;
            animation: blinkDot 1.8s infinite;
        }

        @keyframes fabBreathe {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3); }
            50% { box-shadow: 0 4px 28px rgba(255, 215, 0, 0.6); }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
            }
            .download-widget {
                grid-column: span 2;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-wrap {
                height: 64px;
            }
            .nav-links {
                display: none;
            }
            .nav-auth .btn-login {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .article-banner {
                padding: 24px 0 20px;
            }
            .article-title-meta h1 {
                font-size: 1.6rem;
            }
            .article-body {
                padding: 20px;
            }
            .article-layout {
                padding: 24px 0 40px;
                gap: 20px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .download-widget {
                grid-column: span 1;
            }
            .page-cta .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-auth .btn-signup {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            .article-title-meta h1 {
                font-size: 1.4rem;
            }
            .article-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-body {
                padding: 16px;
            }
            .action-tags {
                width: 100%;
            }
            .cta-buttons {
                width: 100%;
                flex-direction: column;
            }
            .cta-buttons a {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --gold: #FFD700;
            --gold-soft: #F0E68C;
            --red: #D32F2F;
            --red-dark: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A9C8BE;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 8px 28px rgba(255, 215, 0, 0.18);
            --shadow-red: 0 8px 28px rgba(211, 47, 47, 0.22);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header/Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: var(--shadow-gold);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-logo:hover {
            color: var(--gold-soft);
            transform: translateY(-1px);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            color: var(--bg-deep);
            font-size: 1.15rem;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-mint);
            border-radius: 100px;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

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

        .btn-login {
            padding: 9px 18px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold);
            border: 1px solid rgba(255, 215, 0, 0.45);
            border-radius: 100px;
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--gold);
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.2);
        }

        .btn-signup {
            padding: 9px 22px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            border-radius: 100px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--gold);
            border-radius: var(--radius-sm);
            background: rgba(255, 215, 0, 0.1);
            transition: var(--transition);
        }

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

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: rgba(10, 46, 28, 0.98);
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 16px 24px;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-mint);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

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

        .mobile-menu a.active {
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
        }

        /* Hero */
        .page-hero {
            position: relative;
            padding: 140px 0 70px;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(180deg, rgba(10, 46, 28, 0.92) 0%, rgba(10, 46, 28, 0.75) 60%, var(--bg-deep) 100%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 2px solid rgba(255, 215, 0, 0.25);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 50%, rgba(255, 215, 0, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            border-radius: 100px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--gold);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 28px;
            max-width: 520px;
            line-height: 1.7;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 800;
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            border-radius: 100px;
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            box-shadow: 0 12px 36px rgba(255, 215, 0, 0.55);
            transform: translateY(-3px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.4);
            border-radius: 100px;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--gold);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.25);
        }

        .hero-panel {
            position: relative;
            background: rgba(18, 62, 37, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-gold);
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: -1px;
            right: -1px;
            bottom: -1px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, transparent 40%, transparent 60%, rgba(255, 215, 0, 0.3) 100%);
            z-index: -1;
        }

        .hero-panel-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-stat {
            text-align: center;
            padding: 14px 8px;
            background: rgba(10, 46, 28, 0.6);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .hero-stat-value {
            font-size: 1.35rem;
            font-weight: 900;
            color: var(--gold);
            display: block;
        }

        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-mint);
        }

        .hero-notice {
            padding: 14px 16px;
            background: rgba(211, 47, 47, 0.15);
            border-left: 3px solid var(--red);
            border-radius: 6px;
            font-size: 0.85rem;
            color: var(--text-mint);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .hero-notice i {
            color: var(--red);
            margin-top: 3px;
        }

        /* Section common */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-forest);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 680px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 100px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.3;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
        }

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

        .event-card {
            position: relative;
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .event-card:hover {
            border-color: rgba(255, 215, 0, 0.6);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .event-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .event-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 6px 14px;
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            color: var(--bg-deep);
            border-radius: 100px;
            z-index: 2;
        }

        .event-tag.hot {
            background: linear-gradient(135deg, var(--red) 0%, #FF5252 100%);
            color: #FFF;
        }

        .event-tag.new {
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
        }

        .event-tag.vip {
            background: linear-gradient(135deg, #E5E8E8 0%, #F0E68C 100%);
        }

        .event-card-body {
            padding: 20px;
        }

        .event-card-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .event-card-desc {
            font-size: 0.88rem;
            color: var(--text-mint);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .event-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--gold);
        }

        .event-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* Value row */
        .value-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 16px;
        }

        .value-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px;
            background: rgba(10, 46, 28, 0.5);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .value-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: var(--shadow-gold);
        }

        .value-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 159, 0, 0.15) 100%);
            color: var(--gold);
            font-size: 1.15rem;
        }

        .value-text h4 {
            font-size: 0.98rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 4px;
        }

        .value-text p {
            font-size: 0.85rem;
            color: var(--text-mint);
            line-height: 1.6;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            padding: 24px 20px;
            background: rgba(18, 62, 37, 0.5);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold) 0%, #FF9F00 100%);
            color: var(--bg-deep);
            font-weight: 900;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .step-item h4 {
            font-size: 0.98rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.82rem;
            color: var(--text-mint);
            line-height: 1.6;
        }

        /* Giftcode box */
        .giftcode-box {
            background: rgba(18, 62, 37, 0.85);
            border: 2px dashed rgba(255, 215, 0, 0.5);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: center;
            transition: var(--transition);
        }

        .giftcode-box:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
        }

        .giftcode-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--text-mint);
            margin-bottom: 8px;
        }

        .giftcode-code {
            display: inline-block;
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--gold);
            letter-spacing: 2px;
            padding: 10px 24px;
            background: rgba(10, 46, 28, 0.7);
            border-radius: 8px;
            margin-bottom: 10px;
            font-family: 'Courier New', monospace;
        }

        .giftcode-status {
            font-size: 0.8rem;
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 6px;
            justify-content: center;
        }

        .giftcode-status i {
            color: #4CAF50;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(18, 62, 37, 0.5);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--gold);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-forest) 0%, var(--bg-deep) 100%);
            border-top: 2px solid rgba(255, 215, 0, 0.3);
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }

        .cta-title {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .cta-desc {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #071E12;
            border-top: 3px solid rgba(255, 215, 0, 0.3);
            padding: 56px 0 28px;
        }

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

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin: 14px 0 18px;
            max-width: 340px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--gold);
        }

        .footer-socials {
            display: flex;
            gap: 10px;
        }

        .footer-socials a {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            font-size: 0.95rem;
            border: 1px solid rgba(255, 215, 0, 0.25);
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: rgba(255, 215, 0, 0.22);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1C1C1E 0%, #0A0A0A 100%);
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 1.35rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            cursor: pointer;
            opacity: 0.7;
            position: fixed;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

        .fab-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--red);
            border-radius: 50%;
            border: 2px solid #0A0A0A;
            animation: blink 1.8s infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.25; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-panel {
                max-width: 520px;
            }
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .value-list {
                grid-template-columns: 1fr;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .mobile-menu {
                display: flex;
            }
            .mobile-menu.hidden-mobile {
                display: none;
            }
            .nav-auth {
                display: none;
            }
            .nav-wrap {
                height: 64px;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
            .page-hero {
                padding: 110px 0 50px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary, .btn-secondary {
                justify-content: center;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .hero-stat-value {
                font-size: 1.1rem;
            }
            .hero-panel {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-badge {
                font-size: 0.65rem;
                padding: 5px 12px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-panel {
                padding: 16px;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .giftcode-code {
                font-size: 1.1rem;
                letter-spacing: 1px;
                padding: 8px 16px;
            }
            .fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #062315;
            --bg-forest: #0B3C25;
            --bg-card: #0A2E1C;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: #8FB8A0;
            --border-soft: rgba(50, 205, 50, 0.35);
            --shadow-soft: 0 10px 25px rgba(0,0,0,0.3);
            --radius-lg: 20px;
            --radius-md: 14px;
            --transition: all 0.25s ease;
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.55;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        @media (min-width: 1024px) { .container { padding: 0 30px; } }

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 50; background: rgba(6,35,21,0.94); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,204,0,0.18); }
        .nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }
        .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: var(--accent-gold); letter-spacing: -0.02em; }
        .nav-logo .logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, #FFCC00, #FF9F00); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #062315; font-size: 1.1rem; box-shadow: 0 0 12px rgba(255,204,0,0.5); }
        .nav-links { display: flex; list-style: none; gap: 6px; margin: 0; padding: 0; }
        .nav-links a { padding: 8px 14px; border-radius: 999px; font-size: 0.92rem; font-weight: 600; color: var(--text-light); transition: var(--transition); position: relative; }
        .nav-links a:hover, .nav-links a.active { color: #062315; background: var(--accent-gold); box-shadow: 0 0 14px rgba(255,204,0,0.35); }
        .nav-auth { display: flex; align-items: center; gap: 10px; }
        .btn-login { padding: 9px 18px; border-radius: 999px; font-weight: 700; font-size: 0.9rem; color: var(--text-white); background: transparent; border: 1.5px solid rgba(255,204,0,0.5); transition: var(--transition); }
        .btn-login:hover { background: rgba(255,204,0,0.12); }
        .btn-signup { padding: 9px 20px; border-radius: 999px; font-weight: 800; font-size: 0.9rem; color: #062315; background: var(--accent-lime); box-shadow: 0 0 16px rgba(50,205,50,0.5); transition: var(--transition); }
        .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(50,205,50,0.7); }
        .nav-toggle { display: none; font-size: 1.6rem; color: var(--accent-gold); }
        .mobile-menu { display: none; flex-direction: column; background: rgba(6,35,21,0.98); border-top: 1px solid rgba(255,204,0,0.15); padding: 12px 20px 20px; }
        .mobile-menu a { padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,0.06); font-weight: 600; color: var(--text-light); }
        .mobile-menu a.active { color: var(--accent-gold); }
        @media (max-width: 1023px) {
            .nav-links, .nav-auth { display: none; }
            .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; }
            .mobile-menu.open { display: flex; }
        }

        /* Flash sale strip */
        .flash-sale-bar { background: linear-gradient(90deg, #8B0000, #D32F2F, #8B0000); padding: 10px 0; position: relative; overflow: hidden; }
        .flash-sale-inner { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; font-size: 0.95rem; font-weight: 700; }
        .flash-sale-badge { background: #FFD700; color: #4A0007; padding: 4px 12px; border-radius: 999px; font-weight: 900; letter-spacing: 0.02em; }
        .countdown { display: flex; align-items: center; gap: 6px; }
        .countdown span { background: rgba(0,0,0,0.4); padding: 5px 10px; border-radius: 8px; font-size: 1rem; font-weight: 800; }
        .countdown .label { font-weight: 400; font-size: 0.75rem; color: #F5F5F5; }

        /* Buttons */
        .btn-primary, .btn-gold { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 28px; border-radius: 999px; font-weight: 800; font-size: 1rem; transition: var(--transition); text-align: center; }
        .btn-gold { background: linear-gradient(135deg, #FFCC00, #FF9F00); color: #062315; box-shadow: 0 6px 20px rgba(255,204,0,0.45); }
        .btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,204,0,0.65); }
        .btn-lime { background: linear-gradient(135deg, #32CD32, #228B22); color: #FFF; box-shadow: 0 6px 20px rgba(50,205,50,0.4); }
        .btn-lime:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(50,205,50,0.6); }
        .btn-outline { background: transparent; border: 2px solid rgba(255,204,0,0.7); color: var(--accent-gold); }
        .btn-outline:hover { background: rgba(255,204,0,0.15); }

        /* Cards */
        .card { background: var(--bg-card); border: 1px solid var(--border-soft); border-radius: var(--radius-lg); padding: 24px; transition: var(--transition); }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: rgba(255,204,0,0.6); }
        .card-stat { display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg, rgba(11,60,37,0.9), rgba(6,35,21,0.95)); border: 1px solid rgba(255,204,0,0.25); border-radius: var(--radius-lg); padding: 20px; }
        .card-stat .number { font-size: 2.2rem; font-weight: 900; color: var(--accent-gold); line-height: 1.1; }
        .card-stat .desc { color: var(--text-light); font-size: 0.9rem; margin-top: 4px; }

        /* Step timeline */
        .step-item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
        .step-number { flex-shrink: 0; width: 46px; height: 46px; background: var(--accent-gold); color: #062315; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 1.3rem; box-shadow: 0 0 16px rgba(255,204,0,0.4); }
        .step-content h3 { margin: 0 0 6px; font-size: 1.35rem; color: var(--accent-gold); }
        .step-content p { margin: 0; color: var(--text-light); }

        /* FAQ */
        .faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
        .faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 4px; font-size: 1.08rem; font-weight: 700; color: var(--text-white); text-align: left; transition: var(--transition); }
        .faq-question:hover { color: var(--accent-gold); }
        .faq-question i { color: var(--accent-gold); transition: transform 0.3s; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
        .faq-item.active .faq-answer { max-height: 240px; }
        .faq-answer p { padding: 0 4px 18px; margin: 0; color: var(--text-muted); }

        /* Footer */
        .site-footer { background: #041B10; border-top: 1px solid rgba(255,204,0,0.2); padding: 44px 0 20px; margin-top: 60px; }
        .footer-main { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 32px; }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 14px; }
        .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--accent-gold); }
        .footer-logo .logo-icon { width: 36px; height: 36px; background: var(--accent-gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #062315; }
        .footer-socials { display: flex; gap: 10px; margin-top: 16px; }
        .footer-socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: var(--text-light); transition: var(--transition); }
        .footer-socials a:hover { background: var(--accent-gold); color: #062315; transform: translateY(-2px); }
        .footer-col h4 { color: var(--accent-lime); font-size: 1rem; margin: 0 0 14px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col li { margin-bottom: 9px; }
        .footer-col a { color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
        .footer-col a:hover { color: var(--accent-gold); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 32px; padding-top: 20px; text-align: center; color: var(--text-muted); font-size: 0.8rem; }
        @media (max-width: 768px) {
            .footer-main { grid-template-columns: 1fr; gap: 24px; }
            .step-item { flex-direction: column; }
            .card-stat .number { font-size: 1.8rem; }
            .nav-wrap { height: 60px; }
        }