/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --card-bg: rgba(18, 62, 37, 0.85);
            --card-bg-hover: rgba(20, 70, 42, 0.95);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-red: 0 4px 16px rgba(211, 47, 47, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.18s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .logo-brand:hover {
            color: #FFF2A8;
            transform: translateY(-1px);
        }
        .logo-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            border-radius: 12px;
            font-size: 1.2rem;
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-weight: 500;
        }
        .nav-links a:not(.btn) {
            color: var(--text-mint);
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:not(.btn)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition-base);
            border-radius: 2px;
        }
        .nav-links a:not(.btn):hover,
        .nav-links a:not(.btn).active {
            color: var(--accent-gold);
        }
        .nav-links a:not(.btn):hover::after,
        .nav-links a:not(.btn).active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.7rem 1.4rem;
            border-radius: 9999px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 215, 0, 0.6);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: translateY(-1px);
        }
        .btn-primary {
            background: linear-gradient(145deg, #FFD700 0%, #E6A800 100%);
            color: #0A2E1C;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.35);
            border-color: #FFD700;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(145deg, #FFE033 0%, #FFC400 100%);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-danger {
            background: linear-gradient(145deg, #E53935 0%, #C62828 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.35);
        }
        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(211, 47, 47, 0.5);
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 10px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            transition: var(--transition-base);
        }
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.18);
        }
        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background-image: linear-gradient(rgba(10, 46, 28, 0.78), rgba(10, 46, 28, 0.85)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 4rem 0 5.5rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }
        .hero-coupon-wall {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(211, 47, 47, 0.25);
            color: #FFB4B4;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.4rem 1rem;
            border-radius: 9999px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            border: 1px solid rgba(211, 47, 47, 0.45);
            margin-bottom: 1.5rem;
        }
        .hero-badge i {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        .hero-title {
            font-size: clamp(1.9rem, 5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-white);
            max-width: 850px;
            margin: 0 auto 1.25rem;
        }
        .hero-title .highlight {
            background: linear-gradient(145deg, #FFD700 0%, #FFC400 50%, #FFD700 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: #FFD700;
            display: inline-block;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-mint);
            max-width: 720px;
            margin: 0 auto 2rem;
            opacity: 0.92;
        }
        .hero-coupon-main {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.12) 0%, rgba(255, 215, 0, 0.04) 100%);
            border: 2px dashed var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 1.8rem 2.2rem;
            margin: 0 auto 2rem;
            max-width: 560px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            position: relative;
        }
        .hero-coupon-main::before,
        .hero-coupon-main::after {
            content: '';
            position: absolute;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-bg);
            top: 50%;
            transform: translateY(-50%);
        }
        .hero-coupon-main::before {
            left: -13px;
            border-right: 2px dashed var(--accent-gold);
        }
        .hero-coupon-main::after {
            right: -13px;
            border-left: 2px dashed var(--accent-gold);
        }
        .coupon-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: #FFB4B4;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
        }
        .coupon-value {
            font-size: clamp(2.2rem, 6vw, 3.2rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            background: linear-gradient(145deg, #FFD700 0%, #FFA000 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: #FFD700;
            line-height: 1.2;
        }
        .coupon-desc {
            font-size: 0.95rem;
            color: var(--text-mint);
            margin-top: 0.5rem;
            opacity: 0.85;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            margin-top: 0.5rem;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            margin-top: 2rem;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            min-width: 120px;
            backdrop-filter: blur(8px);
        }
        .hero-stat-value {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent-gold);
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-mint);
            opacity: 0.8;
            margin-top: 0.2rem;
        }
        /* ===== Section ===== */
        .section {
            padding: 4.5rem 0;
        }
        .section-alt {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }
        .section-tag::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: pulse 2.5s infinite;
        }
        .section-title {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 0.75rem;
        }
        .section-desc {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-mint);
            opacity: 0.82;
            max-width: 680px;
        }
        /* ===== Cards & Grids ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            background: var(--card-bg-hover);
            border-color: rgba(255, 215, 0, 0.45);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 14px;
            color: var(--accent-gold);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            flex-shrink: 0;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-mint);
            opacity: 0.82;
            line-height: 1.65;
        }
        .badge-hot {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--accent-red);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 0.3rem 0.7rem;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            box-shadow: var(--shadow-red);
        }
        .badge-new {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 0.3rem 0.7rem;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        /* ===== Game Cards ===== */
        .game-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            position: relative;
        }
        .game-card:hover {
            border-color: rgba(255, 215, 0, 0.55);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.2);
        }
        .game-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.06);
        }
        .game-card-body {
            padding: 1.2rem 1.3rem;
        }
        .game-card-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .game-card-meta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.7;
        }
        .game-card-meta i {
            font-size: 0.7rem;
            color: var(--accent-gold);
        }
        /* ===== Data Dashboard ===== */
        .data-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .data-item {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition-base);
        }
        .data-item:hover {
            border-color: rgba(255, 215, 0, 0.45);
            background: rgba(20, 70, 42, 0.85);
        }
        .data-value {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(145deg, #FFD700 0%, #FFA000 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: #FFD700;
            line-height: 1.2;
        }
        .data-label {
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.75;
            margin-top: 0.4rem;
        }
        /* ===== CMS News List ===== */
        .news-list {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 1.5rem;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .news-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 1.1rem 1.4rem;
            transition: var(--transition-base);
        }
        .news-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
            background: rgba(20, 70, 42, 0.8);
            transform: translateX(4px);
        }
        .news-item-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.5;
            flex: 1;
        }
        .news-item-date {
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.6;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-sidebar {
            background: rgba(18, 62, 37, 0.65);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
        }
        .news-sidebar-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            padding-bottom: 0.7rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }
        .news-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .news-sidebar-item {
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.8;
            line-height: 1.5;
            transition: var(--transition-base);
        }
        .news-sidebar-item:hover {
            color: var(--accent-gold);
            opacity: 1;
        }
        .empty-news {
            color: var(--text-mint);
            opacity: 0.7;
            font-style: italic;
            padding: 1.5rem;
            background: rgba(18, 62, 37, 0.5);
            border-radius: var(--radius-md);
            border: 1px dashed rgba(255, 215, 0, 0.3);
        }
        /* ===== Steps Timeline ===== */
        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        .step-item {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            transition: var(--transition-base);
            position: relative;
        }
        .step-item:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            font-weight: 900;
            font-size: 1.1rem;
            border-radius: 50%;
            margin-bottom: 1rem;
            box-shadow: 0 3px 10px rgba(255, 215, 0, 0.35);
        }
        .step-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .step-text {
            font-size: 0.88rem;
            color: var(--text-mint);
            opacity: 0.78;
            line-height: 1.6;
        }
        /* ===== Trust Bar ===== */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            padding: 2rem 1.5rem;
            background: rgba(18, 62, 37, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-mint);
        }
        .trust-item i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
        }
        .faq-item {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.4rem;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            text-align: left;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--accent-gold);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.3rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-mint);
            opacity: 0.82;
            line-height: 1.7;
        }
        /* ===== CTA Section ===== */
        .cta-section {
            padding: 5rem 0;
            background-image: linear-gradient(rgba(10, 46, 28, 0.82), rgba(10, 46, 28, 0.9)), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-top: 1px solid rgba(255, 215, 0, 0.25);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            text-align: center;
        }
        .cta-box {
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .cta-text {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-mint);
            opacity: 0.85;
            margin-bottom: 2rem;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #081A10;
            border-top: 2px solid rgba(255, 215, 0, 0.25);
            padding: 3.5rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-mint);
            opacity: 0.7;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .footer-link {
            display: block;
            font-size: 0.88rem;
            color: var(--text-mint);
            opacity: 0.75;
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }
        .footer-link:hover {
            color: var(--accent-gold);
            opacity: 1;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.82rem;
            color: var(--text-mint);
            opacity: 0.65;
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .badge-18plus {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: #FFFFFF;
            color: #D32F2F;
            font-weight: 900;
            font-size: 0.85rem;
            border-radius: 50%;
            border: 3px solid #D32F2F;
        }
        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-mint);
            opacity: 0.75;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            padding: 0.4rem 0.8rem;
            border-radius: 9999px;
        }
        /* ===== FAB ===== */
        .fab-promo {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 60;
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, #1A1A1A 0%, #0D0D0D 100%);
            border: 3px solid #FFD700;
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            font-size: 1.3rem;
            color: #FFD700;
            opacity: 0.7;
            transition: var(--transition-base);
            animation: float 3s ease-in-out infinite;
            position: relative;
            min-width: 48px;
            min-height: 48px;
        }
        .fab-promo:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        .fab-promo:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-promo .notification-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 12px;
            height: 12px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink 1.5s infinite;
        }
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4, .data-dashboard, .steps-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                min-height: 64px;
                flex-wrap: wrap;
                padding: 0.5rem 0;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                padding: 1rem 0;
                border-top: 1px solid rgba(255, 215, 0, 0.15);
                margin-top: 0.5rem;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a:not(.btn) {
                padding: 0.6rem 0;
                font-size: 1rem;
            }
            .header-actions {
                margin-left: auto;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero-section {
                padding: 3rem 0 4rem;
            }
            .hero-coupon-main {
                padding: 1.5rem 1.8rem;
            }
            .grid-2, .grid-3, .grid-4, .data-dashboard, .steps-timeline {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 0.8rem;
            }
            .hero-stat {
                min-width: 90px;
                padding: 0.8rem 1rem;
            }
            .section {
                padding: 3rem 0;
            }
            .trust-bar {
                gap: 1rem;
                padding: 1.5rem 1rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .btn {
                padding: 0.6rem 1.1rem;
                font-size: 0.88rem;
            }
            .header-actions .btn-outline,
            .header-actions .btn-primary {
                padding: 0.5rem 0.9rem;
                font-size: 0.82rem;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.4rem;
            }
            .fab-promo {
                width: 48px;
                height: 48px;
                bottom: 5rem;
                left: 0.75rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.92rem;
            }
            .hero-coupon-main {
                padding: 1.2rem 1.4rem;
                max-width: 100%;
            }
            .coupon-value {
                font-size: 1.8rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .hero-stats {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .data-value {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --card-bg: rgba(18, 62, 37, 0.85);
            --card-bg-hover: rgba(20, 70, 42, 0.95);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-red: 0 4px 16px rgba(211, 47, 47, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.18s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .logo-brand:hover {
            color: #FFF2A8;
            transform: translateY(-1px);
        }
        .logo-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            border-radius: 12px;
            font-size: 1.2rem;
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-weight: 500;
        }
        .nav-links a:not(.btn) {
            color: var(--text-mint);
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:not(.btn)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition-base);
            border-radius: 2px;
        }
        .nav-links a:not(.btn):hover,
        .nav-links a:not(.btn).active {
            color: var(--accent-gold);
        }
        .nav-links a:not(.btn):hover::after,
        .nav-links a:not(.btn).active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.7rem 1.4rem;
            border-radius: 9999px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 215, 0, 0.6);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: translateY(-1px);
        }
        .btn-primary {
            background: linear-gradient(145deg, #FFD700 0%, #E6A800 100%);
            color: #0A2E1C;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.35);
            border-color: #FFD700;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(145deg, #FFE033 0%, #FFC400 100%);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-danger {
            background: linear-gradient(145deg, #E53935 0%, #C62828 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.35);
        }
        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(211, 47, 47, 0.5);
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 10px;
            transition: var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.18);
        }
        /* ===== Hero Section ===== */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,46,28,0.82) 0%, rgba(10,46,28,0.6) 50%, rgba(10,46,28,0.9) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.45rem 1.1rem;
            border-radius: 9999px;
            margin-bottom: 1.25rem;
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
            max-width: 800px;
        }
        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
        }
        .hero-metric {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .hero-metric .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .hero-metric .metric-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
        }
        .hero-metric .metric-label {
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        /* ===== Section General ===== */
        .section {
            padding: 4rem 0;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        .section-header.left-aligned {
            text-align: left;
        }
        .section-header.center-aligned {
            text-align: center;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            color: #FFFFFF;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 640px;
        }
        /* ===== Metrics Dashboard ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            transition: var(--transition-base);
            text-align: center;
        }
        .metric-card:hover {
            background: var(--card-bg-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
            border-color: var(--accent-gold);
        }
        .metric-card .metric-card-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 1rem;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
        }
        .metric-card .metric-card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }
        .metric-card .metric-card-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.4;
        }
        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .service-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .service-card:hover {
            background: var(--card-bg-hover);
            border-color: rgba(255, 215, 0, 0.5);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }
        .service-card .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 0.35rem;
        }
        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.35rem;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.65;
        }
        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .service-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 9999px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
        }
        /* ===== Comparison Section ===== */
        .comparison-wrapper {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            overflow: hidden;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }
        .comparison-table th,
        .comparison-table td {
            text-align: left;
            padding: 1rem 1.25rem;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.95rem;
        }
        .comparison-table th {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: rgba(255, 215, 0, 0.05);
        }
        .comparison-table td {
            color: var(--text-mint);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .check-icon {
            color: #4CAF50;
            font-size: 1rem;
        }
        .comparison-table .x-icon {
            color: #E53935;
            font-size: 1rem;
        }
        /* ===== FAQ Section ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 0.85rem;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.45);
        }
        .faq-item.active {
            border-color: var(--accent-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.15rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: #FFFFFF;
            transition: var(--transition-fast);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 0.8rem;
            transition: var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--accent-gold);
            color: #0A2E1C;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        /* ===== CTA Section ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 3.5rem 2.5rem;
            margin: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,46,28,0.92) 0%, rgba(18,62,37,0.88) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .cta-content p {
            font-size: 1rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #062315;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 3.5rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 0.85rem;
        }
        .footer-brand i {
            font-size: 1.2rem;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.7;
            max-width: 380px;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-bottom: 0.6rem;
            transition: var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-gold);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 0.82rem;
            color: var(--text-mint);
        }
        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .badge-18plus {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.75rem;
            border: 2px solid #FFF;
        }
        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 9999px;
            padding: 0.4rem 0.9rem;
        }
        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A 0%, #0D0D0D 100%);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition-base);
            animation: fabPulse 2.5s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #E53935;
            border: 2px solid #0D0D0D;
            animation: blinkDot 1.5s ease-in-out infinite;
        }
        @keyframes fabPulse {
            0%, 100% { opacity: 0.65; }
            50% { opacity: 0.9; }
        }
        @keyframes blinkDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid rgba(255, 215, 0, 0.3);
                box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a:not(.btn) {
                font-size: 1rem;
                padding: 0.75rem 0;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-actions .btn-outline,
            .header-actions .btn-danger {
                padding: 0.5rem 0.9rem;
                font-size: 0.8rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-metrics {
                gap: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .comparison-wrapper {
                padding: 1.5rem 1rem;
                overflow-x: auto;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 0.75rem 0.85rem;
                font-size: 0.85rem;
                white-space: nowrap;
            }
            .cta-section {
                padding: 2.5rem 1.25rem;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .fab-support {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .header-actions {
                gap: 0.4rem;
            }
            .header-actions .btn-outline,
            .header-actions .btn-danger {
                padding: 0.4rem 0.7rem;
                font-size: 0.75rem;
            }
            .logo-brand {
                font-size: 0.95rem;
                gap: 0.4rem;
            }
            .logo-brand .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-metrics {
                flex-direction: column;
                gap: 1rem;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-header {
                margin-bottom: 1.75rem;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --card-bg: rgba(18, 62, 37, 0.85);
            --card-bg-hover: rgba(20, 70, 42, 0.95);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-red: 0 4px 16px rgba(211, 47, 47, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.18s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .logo-brand:hover {
            color: #FFF2A8;
            transform: translateY(-1px);
        }
        .logo-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            border-radius: 12px;
            font-size: 1.2rem;
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-weight: 500;
        }
        .nav-links a:not(.btn) {
            color: var(--text-mint);
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:not(.btn)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition-base);
            border-radius: 2px;
        }
        .nav-links a:not(.btn):hover,
        .nav-links a:not(.btn).active {
            color: var(--accent-gold);
        }
        .nav-links a:not(.btn):hover::after,
        .nav-links a:not(.btn).active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.7rem 1.4rem;
            border-radius: 9999px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 215, 0, 0.6);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: translateY(-1px);
        }
        .btn-primary {
            background: linear-gradient(145deg, #FFD700 0%, #E6A800 100%);
            color: #0A2E1C;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.35);
            border-color: #FFD700;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(145deg, #FFE033 0%, #FFC400 100%);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-danger {
            background: linear-gradient(145deg, #E53935 0%, #C62828 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.35);
        }
        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(211, 47, 47, 0.5);
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 10px;
            border: 1px solid var(--border-gold);
            transition: var(--transition-base);
        }
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.16);
        }
        .breadcrumb-nav {
            background: rgba(18, 62, 37, 0.65);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            padding: 0.8rem 0;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-mint);
        }
        .breadcrumb-list a {
            color: var(--accent-gold);
            transition: var(--transition-base);
        }
        .breadcrumb-list a:hover {
            color: #FFF2A8;
        }
        .breadcrumb-list .sep {
            color: rgba(255, 215, 0, 0.5);
        }
        .breadcrumb-list .current {
            color: var(--text-mint);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-hero {
            position: relative;
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: flex-end;
            padding: 4rem 0 2.5rem;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.55) 0%, rgba(10, 46, 28, 0.88) 65%, rgba(10, 46, 28, 0.98) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            border-radius: 9999px;
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
            max-width: 850px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }
        .article-meta i {
            color: var(--accent-gold);
        }
        .article-body {
            padding: 3.5rem 0 2rem;
        }
        .article-body .container {
            max-width: 820px;
        }
        .article-content {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-content h2 {
            color: var(--text-white);
            font-size: 1.6rem;
            font-weight: 750;
            margin: 2.2rem 0 1rem;
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            color: var(--accent-gold);
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.8rem 0 0.85rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 1.4rem;
        }
        .article-content ul li {
            position: relative;
            padding-left: 1.6rem;
            margin-bottom: 0.6rem;
        }
        .article-content ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.2rem;
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: #FFF2A8;
        }
        .pull-quote {
            background: var(--secondary-bg);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 1.5rem 1.75rem;
            margin: 2.2rem 0;
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.6;
            position: relative;
        }
        .pull-quote::before {
            content: '\f10d';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            top: -0.9rem;
            left: 1.25rem;
            font-size: 1.8rem;
            color: var(--accent-gold);
            background: var(--primary-bg);
            padding: 0 0.4rem;
            border-radius: 6px;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 750;
            color: var(--text-white);
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
            text-align: left;
        }
        .section-sub {
            color: var(--text-mint);
            font-size: 1rem;
            margin-bottom: 2.2rem;
            text-align: left;
            max-width: 680px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin: 1.5rem 0 0;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            background: var(--card-bg-hover);
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-mint);
            font-size: 0.85rem;
            margin-top: 0.4rem;
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .service-card-link {
            display: block;
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            position: relative;
        }
        .service-card-link:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
            background: var(--card-bg-hover);
        }
        .service-card-img {
            height: 200px;
            overflow: hidden;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .service-card-link:hover .service-card-img img {
            transform: scale(1.06);
        }
        .service-card-body {
            padding: 1.5rem;
        }
        .service-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .service-card-body p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .compare-section {
            padding: 3rem 0;
        }
        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            background: var(--card-bg);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .compare-table th {
            background: var(--secondary-bg);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 1rem 1.25rem;
            text-align: left;
            border-bottom: 1px solid var(--border-gold);
            white-space: nowrap;
        }
        .compare-table td {
            padding: 1rem 1.25rem;
            color: var(--text-mint);
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-check {
            color: #32CD32;
            font-size: 1.05rem;
        }
        .compare-x {
            color: var(--accent-red);
            font-size: 1.05rem;
        }
        .faq-section {
            padding: 3rem 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            margin-top: 1.5rem;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.15rem 1.5rem;
            text-align: left;
            color: var(--text-white);
            font-weight: 650;
            font-size: 0.98rem;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .faq-icon {
            color: var(--accent-gold);
            font-size: 1rem;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }
        .faq-answer p {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.65;
        }
        .cta-section {
            padding: 3.5rem 0 4rem;
        }
        .cta-box {
            background: linear-gradient(145deg, rgba(18, 62, 37, 0.95) 0%, rgba(10, 46, 28, 0.98) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-box .container-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 1.5rem;
        }
        .cta-title {
            font-size: 1.7rem;
            font-weight: 750;
            color: var(--text-white);
            max-width: 650px;
        }
        .cta-desc {
            color: var(--text-mint);
            font-size: 1rem;
            max-width: 600px;
        }
        .cta-actions {
            display: flex;
            gap: 0.85rem;
            flex-wrap: wrap;
        }
        .trust-strip {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 0.75rem;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }
        .trust-strip span {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-mint);
            font-size: 0.85rem;
        }
        .trust-strip i {
            color: var(--accent-gold);
        }
        .site-footer {
            background: #061D12;
            border-top: 1px solid rgba(255, 215, 0, 0.18);
            padding: 3.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-brand i {
            font-size: 1.4rem;
        }
        .footer-desc {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col-title {
            color: var(--accent-gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-link {
            display: block;
            color: var(--text-mint);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: var(--transition-base);
        }
        .footer-link:hover {
            color: var(--accent-gold);
            padding-left: 0.4rem;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            font-size: 0.8rem;
            color: var(--text-mint);
        }
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .badge-18plus {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #FFFFFF;
            font-weight: 800;
            font-size: 0.8rem;
            border: 2px solid #FFFFFF;
        }
        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--text-mint);
            font-size: 0.8rem;
        }
        .badge-license i {
            color: var(--accent-gold);
        }
        .fab-float {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #1a1a1a 0%, #0A2E1C 80%);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.75;
            animation: fab-breathe 3s ease-in-out infinite;
            text-decoration: none;
        }
        .fab-float:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
            animation: none;
        }
        .fab-float:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-float .fab-icon {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        .fab-float .fab-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #FFFFFF;
            animation: dot-blink 1.6s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes dot-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-hero h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                min-height: 62px;
            }
            .logo-brand {
                font-size: 1rem;
            }
            .logo-brand .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 0.5rem 1.5rem 1rem;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
                display: none;
                z-index: 49;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a:not(.btn) {
                padding: 0.7rem 0;
                font-size: 1rem;
                width: 100%;
                border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            }
            .nav-links a:not(.btn):last-of-type {
                border-bottom: none;
            }
            .nav-links a:not(.btn)::after {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .header-actions .btn-outline {
                padding: 0.5rem 0.9rem;
                font-size: 0.85rem;
            }
            .header-actions .btn-primary {
                padding: 0.5rem 0.9rem;
                font-size: 0.85rem;
            }
            .article-hero {
                min-height: 300px;
                padding: 3rem 0 1.75rem;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 0.75rem;
            }
            .article-body {
                padding: 2.5rem 0 1.5rem;
            }
            .article-content {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .pull-quote {
                font-size: 1rem;
                padding: 1.25rem 1.4rem;
                margin: 1.6rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .compare-section, .faq-section, .cta-section {
                padding: 2.25rem 0;
            }
            .cta-box {
                padding: 2rem 1.5rem;
            }
            .cta-title {
                font-size: 1.35rem;
            }
            .fab-float {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
            }
            .fab-float .fab-icon {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.1rem 0.8rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .trust-strip {
                gap: 0.75rem;
            }
            .trust-strip span {
                font-size: 0.75rem;
            }
            .header-actions .btn-outline {
                padding: 0.45rem 0.75rem;
                font-size: 0.78rem;
            }
            .header-actions .btn-primary {
                padding: 0.45rem 0.75rem;
                font-size: 0.78rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --card-bg: rgba(18, 62, 37, 0.85);
            --card-bg-hover: rgba(20, 70, 42, 0.95);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-red: 0 4px 16px rgba(211, 47, 47, 0.25);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.18s ease;
        }

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

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

        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 1rem;
            flex-wrap: nowrap;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.02em;
            color: var(--accent-gold);
            white-space: nowrap;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .logo-brand:hover {
            color: #FFF2A8;
            transform: translateY(-1px);
        }
        .logo-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(145deg, #FFD700 0%, #D4A017 100%);
            color: #0A2E1C;
            border-radius: 12px;
            font-size: 1.2rem;
            box-shadow: 0 3px 12px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-weight: 500;
        }
        .nav-links a:not(.btn) {
            color: var(--text-mint);
            font-size: 0.95rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-links a:not(.btn)::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: var(--transition-base);
            border-radius: 2px;
        }
        .nav-links a:not(.btn):hover,
        .nav-links a:not(.btn).active {
            color: var(--accent-gold);
        }
        .nav-links a:not(.btn):hover::after,
        .nav-links a:not(.btn).active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.7rem 1.4rem;
            border-radius: 9999px;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(255, 215, 0, 0.6);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--accent-gold);
            transform: translateY(-1px);
        }
        .btn-primary {
            background: linear-gradient(145deg, #FFD700 0%, #E6A800 100%);
            color: #0A2E1C;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.35);
            border-color: #FFD700;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            background: linear-gradient(145deg, #FFE033 0%, #FFC400 100%);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.97);
        }
        .btn-danger {
            background: linear-gradient(145deg, #E53935 0%, #C62828 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.35);
        }
        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(211, 47, 47, 0.5);
        }
        .btn-lg {
            padding: 0.85rem 1.8rem;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
        }
        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            background: rgba(255, 215, 0, 0.08);
            border-radius: 10px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.18);
            border-color: var(--accent-gold);
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.92) 0%, rgba(10, 46, 28, 0.98) 55%, var(--primary-bg) 100%),
                        url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            padding: 4rem 0 5rem;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 3rem;
            align-items: center;
        }
        .hero-content {
            text-align: left;
        }
        .hero-content .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            border-radius: 9999px;
            padding: 0.4rem 1.1rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }
        .hero-content .hero-tag i {
            font-size: 0.9rem;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            line-height: 1.15;
            font-weight: 900;
            margin: 0 0 1.25rem;
            color: var(--text-white);
            letter-spacing: -0.02em;
            text-wrap: balance;
        }
        .hero-content h1 .highlight {
            color: var(--accent-gold);
        }
        .hero-content p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 540px;
            margin: 0 0 2rem;
            line-height: 1.65;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .hero-visual {
            display: flex;
            justify-content: flex-end;
        }
        .hero-visual-card {
            position: relative;
            width: 300px;
            height: 520px;
            border-radius: 1.5rem;
            overflow: hidden;
            border: 2px solid rgba(255, 215, 0, 0.4);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(255, 215, 0, 0.1);
            background: #0F3320;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .hero-visual-card:hover {
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7), 0 0 55px rgba(255, 215, 0, 0.18);
            transform: translateY(-4px);
        }
        .hero-visual-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .hero-visual-card .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.1) 0%, rgba(10, 46, 28, 0.7) 55%, rgba(10, 46, 28, 0.95) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
            gap: 0.75rem;
        }
        .hero-visual-card .hero-visual-overlay .visual-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            align-self: flex-start;
        }
        .hero-visual-card .hero-visual-overlay h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 0;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }
        .hero-visual-card .hero-visual-overlay p {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin: 0;
            line-height: 1.5;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
        }
        .hero-visual-card .visual-cta {
            display: flex;
            gap: 0.6rem;
            align-items: center;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 900;
            margin: 0;
            color: var(--text-white);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .section-header h2 .highlight {
            color: var(--accent-gold);
        }
        .section-header .section-sub {
            font-size: 0.95rem;
            color: var(--text-mint);
            max-width: 450px;
            margin: 0;
            text-align: left;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }
        .section-label i {
            font-size: 0.85rem;
        }

        /* ===== Stats Board ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: var(--transition-base);
            cursor: default;
        }
        .stat-card:hover {
            background: var(--card-bg-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.6);
        }
        .stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.1;
            margin-bottom: 0.4rem;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
            font-weight: 500;
            margin: 0;
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: rgba(255, 215, 0, 0.12);
            border-radius: 12px;
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }

        /* ===== Feature Grid ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.22);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: default;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            background: var(--card-bg-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 215, 0, 0.55);
        }
        .feature-card .feature-img-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }
        .feature-card .feature-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-card:hover .feature-img-wrap img {
            transform: scale(1.06);
        }
        .feature-card .feature-img-wrap .feature-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            padding: 0.25rem 0.7rem;
            border-radius: 9999px;
            letter-spacing: 0.04em;
            box-shadow: var(--shadow-red);
        }
        .feature-card .feature-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .feature-card .feature-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 0;
            line-height: 1.3;
        }
        .feature-card .feature-desc {
            font-size: 0.88rem;
            color: var(--text-mint);
            margin: 0;
            line-height: 1.6;
        }
        .feature-card .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: auto;
            padding-top: 0.5rem;
            transition: var(--transition-base);
        }
        .feature-card .feature-link:hover {
            gap: 0.7rem;
            color: #FFF2A8;
        }

        /* ===== Comparison Table ===== */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
        }
        .comparison-col {
            padding: 0;
        }
        .comparison-col .col-head {
            padding: 1.5rem 1.75rem;
            text-align: center;
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
        }
        .comparison-col .col-head h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin: 0;
            color: var(--text-white);
        }
        .comparison-col.web-col .col-head {
            background: rgba(255, 215, 0, 0.1);
        }
        .comparison-col.web-col .col-head h3 {
            color: var(--accent-gold);
        }
        .comparison-col .col-head .col-sub {
            font-size: 0.8rem;
            color: var(--text-mint);
            margin: 0.25rem 0 0;
        }
        .comparison-col .col-body {
            padding: 0;
        }
        .comparison-row {
            display: grid;
            grid-template-columns: 1fr 40px 1fr;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-row .cmp-item {
            padding: 1rem 1.75rem;
            font-size: 0.88rem;
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comparison-row .cmp-item i {
            font-size: 0.75rem;
        }
        .comparison-row .cmp-item.cmp-good i {
            color: #32CD32;
        }
        .comparison-row .cmp-item.cmp-bad i {
            color: var(--accent-red);
        }
        .comparison-row .cmp-item.cmp-best {
            background: rgba(255, 215, 0, 0.06);
            font-weight: 600;
            color: var(--accent-gold);
        }
        .comparison-row .cmp-center {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: rgba(255, 215, 0, 0.5);
            font-weight: 700;
            letter-spacing: 0.04em;
            background: rgba(255, 215, 0, 0.03);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.18);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.45);
            box-shadow: var(--shadow-gold);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-white);
            transition: var(--transition-base);
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
        }
        .faq-item .faq-question:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
        }
        .faq-item .faq-question .faq-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(180deg);
            background: var(--accent-gold);
            color: #0A2E1C;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.5rem;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-item .faq-answer p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* ===== CTA Form ===== */
        .cta-section {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.1) 0%, rgba(18, 62, 37, 0.6) 60%, var(--secondary-bg) 100%),
                        url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
            padding: 4rem 0;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 46, 28, 0.75);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-card {
            background: rgba(18, 62, 37, 0.9);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .cta-card .cta-info h2 {
            font-size: 1.9rem;
            font-weight: 900;
            margin: 0 0 1rem;
            color: var(--text-white);
            line-height: 1.2;
        }
        .cta-card .cta-info h2 .highlight {
            color: var(--accent-gold);
        }
        .cta-card .cta-info p {
            font-size: 0.95rem;
            color: var(--text-mint);
            margin: 0 0 1.5rem;
            line-height: 1.65;
        }
        .cta-card .cta-info .cta-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .cta-card .cta-info .cta-list li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.88rem;
            color: var(--text-mint);
        }
        .cta-card .cta-info .cta-list li i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .cta-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }
        .cta-form .form-group label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-mint);
            letter-spacing: 0.01em;
        }
        .cta-form .form-group input,
        .cta-form .form-group textarea {
            background: rgba(10, 46, 28, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-sm);
            padding: 0.7rem 1rem;
            color: var(--text-white);
            font-size: 0.9rem;
            transition: var(--transition-base);
            width: 100%;
        }
        .cta-form .form-group input::placeholder,
        .cta-form .form-group textarea::placeholder {
            color: rgba(209, 242, 235, 0.5);
        }
        .cta-form .form-group input:focus,
        .cta-form .form-group textarea:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
            background: rgba(10, 46, 28, 0.8);
        }
        .cta-form .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }
        .cta-form .btn {
            align-self: flex-start;
            margin-top: 0.25rem;
        }
        .form-note {
            font-size: 0.78rem;
            color: rgba(209, 242, 235, 0.6);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #081F12;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 3rem 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .footer-brand i {
            font-size: 1.15rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin: 0;
            max-width: 420px;
        }
        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--text-white);
            margin: 0 0 1rem;
            letter-spacing: 0.02em;
        }
        .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-mint);
            padding: 0.35rem 0;
            transition: var(--transition-base);
        }
        .footer-link:hover {
            color: var(--accent-gold);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.12);
            padding: 1.25rem 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-bottom span {
            font-size: 0.78rem;
            color: rgba(209, 242, 235, 0.55);
        }
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .badge-18plus {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            font-weight: 900;
            font-size: 0.75rem;
            border: 2px solid #fff;
            box-shadow: 0 2px 8px rgba(211, 47, 47, 0.45);
        }
        .badge-license {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.75rem;
            color: var(--text-mint);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            padding: 0.3rem 0.7rem;
            border-radius: 9999px;
        }
        .badge-license i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* ===== FAB (Classic & Royal Style) ===== */
        .fab-support {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 60;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A1A 0%, #0A0A0A 100%);
            border: 3px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), 0 0 30px rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0.7;
            animation: fab-breathe 3s ease-in-out infinite;
            -webkit-animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5), 0 0 45px rgba(255, 215, 0, 0.2);
        }
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-support .fab-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            font-size: 1.4rem;
            color: var(--accent-gold);
            transition: transform 0.35s ease;
        }
        .fab-support:hover .fab-icon {
            transform: rotate(360deg);
        }
        .fab-support .fab-icon .crown-mini {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 0.75rem;
            color: #FFF2A8;
            text-shadow: 0 0 8px rgba(255, 215, 0, 0.7);
        }
        .fab-support .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #E53935;
            border: 2px solid #0A0A0A;
            animation: fab-blink 1.6s ease-in-out infinite;
            -webkit-animation: fab-blink 1.6s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(229, 57, 53, 0.7);
        }
        @keyframes fab-breathe {
            0%, 100% {
                transform: translateY(0);
                opacity: 0.7;
            }
            50% {
                transform: translateY(-4px);
                opacity: 0.85;
            }
        }
        @keyframes fab-blink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 280px;
                gap: 2rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-visual-card {
                width: 250px;
                height: 440px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            .cta-card {
                grid-template-columns: 1fr;
                gap: 1.75rem;
                padding: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
                min-height: 64px;
            }
            .logo-brand {
                font-size: 0.95rem;
            }
            .logo-brand .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.75rem;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
                z-index: 49;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a:not(.btn) {
                padding: 0.7rem 0;
                font-size: 1rem;
                width: 100%;
                border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            }
            .nav-links a:not(.btn):last-of-type {
                border-bottom: none;
            }
            .nav-links a:not(.btn)::after {
                display: none;
            }
            .header-actions .btn {
                padding: 0.55rem 1rem;
                font-size: 0.82rem;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .hero {
                padding: 2.5rem 0 3.5rem;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-content h1 {
                font-size: 1.9rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .hero-visual {
                justify-content: center;
            }
            .hero-visual-card {
                width: 220px;
                height: 380px;
                border-radius: 1.25rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
                margin-bottom: 1.75rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
                border-radius: var(--radius-md);
            }
            .comparison-col .col-head {
                padding: 1.1rem 1.25rem;
            }
            .comparison-row {
                grid-template-columns: 1fr 36px 1fr;
            }
            .comparison-row .cmp-item {
                padding: 0.75rem 1rem;
                font-size: 0.78rem;
            }
            .faq-item .faq-question {
                font-size: 0.88rem;
                padding: 0.9rem 1.1rem;
            }
            .cta-card {
                padding: 1.5rem;
                border-radius: var(--radius-md);
            }
            .cta-card .cta-info h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
            .fab-support {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .stat-card {
                padding: 1rem 0.75rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.75rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .feature-card .feature-img-wrap {
                height: 130px;
            }
            .comparison-row {
                grid-template-columns: 1fr 30px 1fr;
            }
            .comparison-row .cmp-item {
                padding: 0.6rem 0.75rem;
                font-size: 0.7rem;
                gap: 0.3rem;
            }
            .cta-card {
                padding: 1.25rem;
            }
            .cta-card .cta-info h2 {
                font-size: 1.3rem;
            }
            .cta-form .btn {
                width: 100%;
                justify-content: center;
            }
        }