/* roulang page: index */
:root {
            --imperial-jade: #051F14;
            --dark-forest: #0B2E1E;
            --deep-velvet: #0A281A;
            --gold-24k: #F59E0B;
            --gold-light: #FCD34D;
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            --dragon-red: #DC2626;
            --ivory-white: #F8FAFC;
            --pale-mint: #D1FAE5;
            --olive-gold: #A3A375;
            --dark-bg: #041A0E;
            --card-bg: rgba(11, 46, 30, 0.85);
            --card-border: rgba(245, 158, 11, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-space: 80px;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(5, 31, 20, 0.95) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold-24k);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ::selection {
            background: var(--gold-24k);
            color: var(--dark-bg);
        }

        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--dark-bg);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--gold-24k);
            border-radius: 4px;
        }

        /* Container */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(245, 158, 11, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
        }

        .brand-logo .logo-text {
            font-size: 0.95rem;
            line-height: 1.25;
        }

        .brand-logo .logo-text strong {
            display: block;
            font-size: 1.05rem;
            color: var(--ivory-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-links li a.active {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.15);
            box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.3);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold-light);
            background: transparent;
            border: 1px solid rgba(245, 158, 11, 0.5);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.55);
            color: var(--dark-bg);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
        }

        /* Mobile nav toggle */
        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid rgba(245, 158, 11, 0.4);
            border-radius: 8px;
            padding: 8px 10px;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }

        .navbar-toggle:hover {
            border-color: var(--gold-24k);
        }

        .navbar-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--gold-light);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .navbar-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .navbar-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            width: 100%;
            background: rgba(5, 31, 20, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.3);
            padding: 20px 24px 28px;
            z-index: 1049;
            flex-direction: column;
            gap: 6px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }

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

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(245, 158, 11, 0.12);
            color: var(--gold-light);
        }

        .mobile-menu .mobile-actions {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }

        .mobile-menu .mobile-actions .btn-login {
            flex: 1;
            text-align: center;
            padding: 12px 18px;
        }

        .mobile-menu .mobile-actions .btn-signup {
            flex: 1;
            text-align: center;
            padding: 12px 18px;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 720px;
            padding: 140px 0 80px;
            background:
                linear-gradient(180deg, rgba(5, 31, 20, 0.65) 0%, rgba(5, 31, 20, 0.9) 70%, var(--dark-bg) 100%),
                url('/assets/images/b7c2a76f3c9d9ae7.jpg') center / cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 70% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 70%, rgba(220, 38, 38, 0.1) 0%, transparent 45%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 180px;
            background: linear-gradient(180deg, transparent 0%, var(--dark-bg) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }

        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.35rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.025em;
            margin-bottom: 22px;
            color: var(--ivory-white);
            text-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight-gold {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-description {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 560px;
            letter-spacing: 0.01em;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .btn-hero-primary {
            padding: 15px 32px;
            border-radius: 14px;
            font-size: 1rem;
            font-weight: 800;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.6);
            color: var(--dark-bg);
        }

        .btn-hero-secondary {
            padding: 15px 28px;
            border-radius: 14px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.45);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-secondary:hover {
            background: rgba(245, 158, 11, 0.2);
            border-color: var(--gold-24k);
            color: var(--gold-light);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(245, 158, 11, 0.2);
        }

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

        .hero-stat .stat-number {
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--gold-light);
            letter-spacing: -0.02em;
        }

        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 400px;
        }

        .hero-visual .visual-frame {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(245, 158, 11, 0.4);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 80px rgba(245, 158, 11, 0.15);
            position: relative;
        }

        .hero-visual .visual-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-visual .visual-frame::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(5, 31, 20, 0.15) 0%, rgba(5, 31, 20, 0.4) 100%);
            pointer-events: none;
        }

        .floating-tag {
            position: absolute;
            padding: 10px 16px;
            border-radius: 12px;
            background: rgba(5, 31, 20, 0.9);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(245, 158, 11, 0.4);
            font-weight: 700;
            font-size: 0.82rem;
            color: var(--gold-light);
            box-shadow: var(--shadow-soft);
            z-index: 3;
            white-space: nowrap;
        }

        .floating-tag.tag-1 {
            top: 15%;
            left: -20px;
        }

        .floating-tag.tag-2 {
            bottom: 20%;
            right: -15px;
        }

        /* Section Styles */
        .section {
            padding: var(--section-space) 0;
            position: relative;
            z-index: 1;
        }

        .section-alt {
            background: rgba(11, 46, 30, 0.45);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }

        .section-header {
            margin-bottom: 44px;
            max-width: 680px;
        }

        .section-header .section-eyebrow {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.35);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--gold-light);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: clamp(1.7rem, 3vw, 2.35rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--ivory-white);
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .section-header p {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Metrics Dashboard */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gold-gradient);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(245, 158, 11, 0.55);
        }

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

        .metric-card .metric-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(245, 158, 11, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.25rem;
            margin-bottom: 16px;
        }

        .metric-card .metric-number {
            font-size: 1.85rem;
            font-weight: 900;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .metric-card .metric-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Collection / Category Cards */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .collection-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
            cursor: pointer;
        }

        .collection-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 158, 11, 0.6);
        }

        .collection-card .collection-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .collection-card:hover .collection-image img {
            transform: scale(1.06);
        }

        .collection-card .collection-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, transparent 30%, rgba(5, 31, 20, 0.7) 100%);
            pointer-events: none;
        }

        .collection-card .collection-body {
            padding: 20px 22px 24px;
        }

        .collection-card .collection-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            background: rgba(220, 38, 38, 0.2);
            color: #FCA5A5;
            border: 1px solid rgba(220, 38, 38, 0.4);
        }

        .collection-card .collection-tag.tag-gold {
            background: rgba(245, 158, 11, 0.18);
            color: var(--gold-light);
            border-color: rgba(245, 158, 11, 0.4);
        }

        .collection-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .collection-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Game Cards / Recommended */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .game-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: var(--shadow-gold);
            border-color: rgba(245, 158, 11, 0.6);
        }

        .game-card .game-thumb {
            height: 150px;
            overflow: hidden;
            position: relative;
        }

        .game-card .game-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-card:hover .game-thumb img {
            transform: scale(1.08);
        }

        .game-card .game-thumb .corner-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(220, 38, 38, 0.9);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .game-card .game-body {
            padding: 16px 18px 18px;
        }

        .game-card .game-body h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 5px;
            letter-spacing: -0.01em;
        }

        .game-card .game-body .game-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .game-card .game-body .game-meta i {
            font-size: 0.65rem;
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-height: 100%;
        }

        .service-item:hover {
            box-shadow: var(--shadow-soft);
            border-color: rgba(245, 158, 11, 0.5);
            transform: translateY(-4px);
        }

        .service-item .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.14);
            color: var(--gold-light);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 6px;
        }

        .service-item h3 {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 4px;
        }

        .service-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
            flex-grow: 1;
        }

        /* Comparison */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: stretch;
        }

        .comparison-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
        }

        .comparison-card.highlight {
            border-color: rgba(245, 158, 11, 0.6);
            box-shadow: var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }

        .comparison-card.highlight::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gold-gradient);
        }

        .comparison-card .comparison-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--ivory-white);
            letter-spacing: -0.01em;
        }

        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .comparison-card ul li:last-child {
            border-bottom: none;
        }

        .comparison-card ul li i {
            color: var(--gold-light);
            margin-top: 4px;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .comparison-card.muted-card ul li i {
            color: #64748B;
        }

        /* Timeline / Milestones */
        .timeline {
            position: relative;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            transform: translateX(-50%);
            width: 2px;
            height: 100%;
            background: rgba(245, 158, 11, 0.25);
            border-radius: 2px;
        }

        .timeline-item {
            display: flex;
            justify-content: flex-start;
            align-items: flex-start;
            margin-bottom: 40px;
            position: relative;
            width: 50%;
            padding-right: 40px;
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-end;
            padding-right: 0;
            padding-left: 40px;
            margin-left: 50%;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            top: 12px;
            right: -8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--gold-gradient);
            box-shadow: 0 0 14px rgba(245, 158, 11, 0.5);
            z-index: 2;
        }

        .timeline-item:nth-child(even)::before {
            right: auto;
            left: -8px;
        }

        .timeline-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: all var(--transition-smooth);
            width: 100%;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-soft);
            border-color: rgba(245, 158, 11, 0.5);
        }

        .timeline-card .timeline-date {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--gold-light);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

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

        .timeline-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* News / CMS Content */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }

        .news-main {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            gap: 18px;
            transition: all var(--transition-smooth);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow-soft);
            border-color: rgba(245, 158, 11, 0.5);
            transform: translateX(4px);
        }

        .news-item .news-thumb {
            width: 100px;
            height: 80px;
            border-radius: 12px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 6px;
            line-height: 1.35;
        }

        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-content .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            align-self: start;
            position: sticky;
            top: 90px;
        }

        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--gold-light);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
        }

        .news-sidebar ul li:last-child {
            border-bottom: none;
        }

        .news-sidebar ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            line-height: 1.45;
            display: block;
        }

        .news-sidebar ul li a:hover {
            color: var(--gold-light);
        }

        .news-empty {
            padding: 40px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: var(--card-bg);
            border: 1px dashed rgba(245, 158, 11, 0.3);
            border-radius: var(--radius-md);
        }

        /* Share / Save */
        .share-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            margin-bottom: 30px;
        }

        .share-bar .share-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ivory-white);
        }

        .share-bar .share-buttons {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(245, 158, 11, 0.35);
            color: var(--text-secondary);
            font-size: 1rem;
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .share-btn:hover {
            background: rgba(245, 158, 11, 0.15);
            color: var(--gold-light);
            border-color: var(--gold-24k);
            transform: scale(1.08);
        }

        /* Topic Index */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .topic-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .topic-chip:hover {
            border-color: rgba(245, 158, 11, 0.6);
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
            transform: translateY(-2px);
        }

        .topic-chip i {
            color: var(--gold-light);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        /* Trust / Guarantee */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .trust-item {
            text-align: left;
            padding: 24px 20px;
            background: rgba(5, 31, 20, 0.7);
            border: 1px solid rgba(245, 158, 11, 0.15);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }

        .trust-item:hover {
            border-color: rgba(245, 158, 11, 0.45);
            box-shadow: var(--shadow-soft);
        }

        .trust-item .trust-icon {
            font-size: 1.6rem;
            color: var(--gold-light);
            margin-bottom: 12px;
        }

        .trust-item h4 {
            font-size: 0.98rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 8px;
        }

        .trust-item p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* Quick FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
        }

        .faq-item summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--ivory-white);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--gold-light);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

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

        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            transition: all var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-soft);
            border-color: rgba(245, 158, 11, 0.5);
            transform: translateY(-4px);
        }

        .testimonial-card .testimonial-stars {
            color: var(--gold-light);
            font-size: 0.85rem;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .testimonial-card blockquote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            border-left: 3px solid rgba(245, 158, 11, 0.4);
            padding-left: 14px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .testimonial-author .avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-weight: 800;
            font-size: 0.9rem;
        }

        .testimonial-card .testimonial-author .author-info {
            font-size: 0.82rem;
        }

        .testimonial-card .testimonial-author .author-info strong {
            display: block;
            color: var(--ivory-white);
            font-size: 0.85rem;
        }

        .testimonial-card .testimonial-author .author-info span {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background:
                linear-gradient(180deg, rgba(5, 31, 20, 0.9) 0%, rgba(5, 31, 20, 0.95) 100%),
                url('/assets/images/eb92ae80e03a6626.jpg') center / cover no-repeat;
            border-radius: var(--radius-lg);
            margin: var(--section-space) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3.2vw, 2.5rem);
            font-weight: 900;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .cta-section p {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 26px;
        }

        /* Footer */
        .site-footer {
            background: var(--imperial-jade);
            border-top: 1px solid rgba(245, 158, 11, 0.25);
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--gold-light);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            text-transform: uppercase;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
        }

        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-column ul li a {
            font-size: 0.86rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-column ul li a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-bottom .footer-links li a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-badge {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .footer-badge .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--gold-24k);
            color: var(--gold-light);
            font-weight: 900;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .footer-badge .badge-text {
            font-size: 0.72rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gold-gradient);
            border: 2px solid var(--gold-24k);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.35rem;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-smooth);
            animation: fab-float 3s ease-in-out infinite;
            opacity: 0.85;
        }

        .fab-support:hover {
            transform: scale(1.1);
            opacity: 1;
            animation-play-state: paused;
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
        }

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

        .fab-support .notification-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--dragon-red);
            border: 2px solid var(--ivory-white);
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.6);
            animation: badge-pulse 2s ease-in-out infinite;
        }

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

        @keyframes badge-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-space: 60px;
            }

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

            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

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

            .footer-inner {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 30px;
            }

            .hero-visual .visual-frame {
                max-width: 380px;
            }

            .floating-tag.tag-1 {
                left: 0;
            }

            .floating-tag.tag-2 {
                right: 0;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 50px;
            }

            .header-inner {
                height: 64px;
            }

            .nav-links {
                display: none;
            }

            .navbar-toggle {
                display: flex;
            }

            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: none;
            }

            .hero-section {
                min-height: auto;
                padding: 120px 0 60px;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-description {
                font-size: 0.95rem;
            }

            .hero-visual {
                min-height: 280px;
                margin-top: 30px;
            }

            .hero-visual .visual-frame {
                max-width: 100%;
            }

            .floating-tag.tag-1 {
                top: -15px;
                left: 15px;
            }

            .floating-tag.tag-2 {
                bottom: -15px;
                right: 15px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-card {
                padding: 20px 16px;
            }

            .metric-card .metric-number {
                font-size: 1.4rem;
            }

            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .collection-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .timeline::before {
                left: 16px;
            }

            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding-left: 44px;
                padding-right: 0;
            }

            .timeline-item::before,
            .timeline-item:nth-child(even)::before {
                left: 8px;
                right: auto;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .news-sidebar {
                position: static;
            }

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

            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .trust-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }

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

            .footer-bottom .footer-links {
                justify-content: center;
            }

            .fab-support {
                bottom: 80px;
                left: 12px;
                width: 50px;
                height: 50px;
                font-size: 1.15rem;
            }

            .section-header {
                margin-bottom: 30px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cta-section {
                padding: 48px 24px;
                border-radius: var(--radius-md);
            }

            .share-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

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

            .brand-logo .logo-text {
                font-size: 0.75rem;
            }

            .brand-logo .logo-text strong {
                font-size: 0.85rem;
            }

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

            .hero-description {
                font-size: 0.88rem;
            }

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

            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
                padding: 13px 24px;
                font-size: 0.92rem;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat .stat-number {
                font-size: 1.2rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .game-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .game-card .game-thumb {
                height: 180px;
            }

            .topic-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.88rem;
            }

            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }

            .cta-section {
                padding: 36px 18px;
                border-radius: var(--radius-sm);
            }

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

            .cta-section p {
                font-size: 0.9rem;
            }

            .timeline-card {
                padding: 16px 18px;
            }

            .timeline-card h3 {
                font-size: 0.92rem;
            }

            .timeline-card p {
                font-size: 0.8rem;
            }
        }

/* roulang page: article */
:root {
            --imperial-jade: #051F14;
            --dark-forest: #0B2E1E;
            --deep-velvet: #0A281A;
            --gold-24k: #F59E0B;
            --gold-light: #FCD34D;
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            --dragon-red: #DC2626;
            --ivory-white: #F8FAFC;
            --pale-mint: #D1FAE5;
            --olive-gold: #A3A375;
            --dark-bg: #041A0E;
            --card-bg: rgba(11, 46, 30, 0.85);
            --card-border: rgba(245, 158, 11, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-space: 80px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(5, 31, 20, 0.95) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold-24k);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(245, 158, 11, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
        }

        .brand-logo .logo-text {
            font-size: 0.95rem;
            line-height: 1.25;
        }

        .brand-logo .logo-text strong {
            display: block;
            font-size: 1.05rem;
            color: var(--ivory-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-links li a.active {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.12);
            box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.25);
        }

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

        .btn-login {
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--gold-light);
            border: 1px solid rgba(245, 158, 11, 0.4);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }

        .btn-signup {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
            color: var(--dark-bg);
        }

        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 1060;
        }

        .navbar-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--gold-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Article Hero */
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(180deg, rgba(5, 31, 20, 0.95) 0%, rgba(11, 46, 30, 0.98) 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 150%;
            height: 150%;
            background: radial-gradient(ellipse at center, rgba(245, 158, 11, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .article-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-custom .separator {
            color: var(--gold-24k);
            font-size: 0.8rem;
        }

        .article-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--ivory-white);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--text-muted);
            position: relative;
            z-index: 1;
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item i {
            color: var(--gold-24k);
            font-size: 0.9rem;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.3);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--gold-light);
            position: relative;
            z-index: 1;
        }

        /* Article Content */
        .article-main {
            padding: 60px 0;
            position: relative;
            z-index: 1;
        }

        .article-content-wrapper {
            max-width: 820px;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gold-light);
            margin: 40px 0 16px;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin: 30px 0 12px;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .article-content blockquote {
            border-left: 4px solid var(--gold-24k);
            background: rgba(245, 158, 11, 0.06);
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            margin: 24px 0;
            color: var(--pale-mint);
            font-style: italic;
        }

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

        .article-content a:hover {
            color: var(--gold-24k);
        }

        /* Not Found Section */
        .not-found-section {
            padding: 60px 0;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .not-found-section .icon-404 {
            font-size: 3rem;
            color: var(--gold-24k);
            margin-bottom: 20px;
        }

        .not-found-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 12px;
        }

        /* Related Section */
        .related-section {
            padding: 50px 0 70px;
            background: rgba(5, 31, 20, 0.5);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
            position: relative;
            z-index: 1;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--gold-24k);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--gold-24k);
            border-radius: 2px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 620px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .related-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-smooth);
            display: block;
            position: relative;
            overflow: hidden;
        }

        .related-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gold-gradient);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .related-card:hover {
            border-color: rgba(245, 158, 11, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--ivory-white);
        }

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

        .related-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold-light);
            margin-bottom: 16px;
        }

        .related-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 8px;
        }

        .related-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            position: relative;
            z-index: 1;
        }

        .cta-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-card .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 10px;
        }

        .cta-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 500px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        .btn-primary-gold {
            padding: 14px 28px;
            border-radius: 14px;
            font-size: 0.95rem;
            font-weight: 800;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.55);
            color: var(--dark-bg);
        }

        .btn-outline-gold {
            padding: 14px 24px;
            border-radius: 14px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--gold-light);
            border: 1px solid rgba(245, 158, 11, 0.4);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }

        /* Trust Section */
        .trust-section {
            padding: 50px 0 70px;
            background: rgba(5, 31, 20, 0.45);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            position: relative;
            z-index: 1;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 28px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px;
            background: rgba(11, 46, 30, 0.6);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(245, 158, 11, 0.12);
            transition: all var(--transition-fast);
        }

        .trust-item:hover {
            border-color: rgba(245, 158, 11, 0.3);
            background: rgba(11, 46, 30, 0.85);
        }

        .trust-item .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--gold-light);
            flex-shrink: 0;
        }

        .trust-item .trust-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .trust-item .trust-text small {
            display: block;
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* FAQ Section */
        .faq-section {
            padding: 60px 0 70px;
            position: relative;
            z-index: 1;
        }

        .faq-list {
            margin-top: 30px;
            max-width: 780px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.45);
        }

        .faq-question {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--ivory-white);
            transition: color var(--transition-fast);
            gap: 16px;
            user-select: none;
        }

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

        .faq-question .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--gold-24k);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-question.open .faq-toggle {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .faq-answer-inner {
            padding-bottom: 16px;
        }

        /* Floating Action Button */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(ellipse at 30% 30%, #FCD34D 0%, #B45309 100%);
            border: 2px solid var(--gold-24k);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--dark-bg);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.8;
        }

        .fab-royal:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.55);
        }

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

        .fab-royal .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--dragon-red);
            border: 2px solid var(--ivory-white);
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.6);
        }

        /* Footer */
        .site-footer {
            background: rgba(5, 31, 20, 0.8);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }

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

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            max-width: 380px;
        }

        .footer-badge {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .badge-18 {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--dragon-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--ivory-white);
            box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
            flex-shrink: 0;
        }

        .badge-text {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .footer-column h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-column ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .footer-column ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .footer-column ul li a:hover {
            color: var(--gold-light);
            transform: translateX(4px);
        }

        .footer-column ul li a i {
            font-size: 0.75rem;
            color: var(--gold-24k);
            width: 14px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .footer-bottom .copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                height: 64px;
            }

            .nav-links li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }

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

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

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

        @media (max-width: 768px) {
            :root {
                --section-space: 60px;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(245, 158, 11, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                z-index: 1045;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }

            .navbar-toggle {
                display: flex;
            }

            .header-actions {
                display: none;
            }

            .header-actions.mobile-visible {
                display: flex;
                position: fixed;
                top: 240px;
                left: 24px;
                right: 24px;
                gap: 10px;
                z-index: 1046;
            }

            .header-actions.mobile-visible .btn-login,
            .header-actions.mobile-visible .btn-signup {
                flex: 1;
                text-align: center;
                padding: 12px 16px;
            }

            .article-hero {
                padding: 120px 0 40px;
            }

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

            .article-main {
                padding: 40px 0;
            }

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

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

            .cta-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-primary-gold,
            .cta-actions .btn-outline-gold {
                flex: 1;
                text-align: center;
            }

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

            .fab-royal {
                bottom: 80px;
                left: 12px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }

            .fab-royal .fab-badge {
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-space: 50px;
            }

            .container-custom {
                padding: 0 16px;
            }

            .brand-logo .logo-text {
                font-size: 0.8rem;
            }

            .brand-logo .logo-text strong {
                font-size: 0.9rem;
            }

            .article-hero h1 {
                font-size: 1.35rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }

            .article-content {
                font-size: 0.98rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .cta-card h2 {
                font-size: 1.25rem;
            }

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

/* roulang page: category1 */
:root {
            --imperial-jade: #051F14;
            --dark-forest: #0B2E1E;
            --deep-velvet: #0A281A;
            --gold-24k: #F59E0B;
            --gold-light: #FCD34D;
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            --dragon-red: #DC2626;
            --ivory-white: #F8FAFC;
            --pale-mint: #D1FAE5;
            --olive-gold: #A3A375;
            --dark-bg: #041A0E;
            --card-bg: rgba(11, 46, 30, 0.85);
            --card-border: rgba(245, 158, 11, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-space: 80px;
            --container-max: 1200px;
        }
        @media (max-width: 1024px) {
            :root {
                --section-space: 60px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-space: 50px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-primary);
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            position: relative;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(5, 31, 20, 0.95) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--gold-light);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold-24k);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(245, 158, 11, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
        }
        .brand-logo .logo-text {
            font-size: 0.95rem;
            line-height: 1.25;
        }
        .brand-logo .logo-text strong {
            display: block;
            font-size: 1.05rem;
            color: var(--ivory-white);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
        }
        .nav-links li a.active {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.12);
            box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.25);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--gold-24k);
            border: 1px solid rgba(245, 158, 11, 0.4);
            background: transparent;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
            color: var(--gold-light);
            border-color: var(--gold-24k);
        }
        .btn-signup {
            padding: 8px 20px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-fast);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
            color: var(--dark-bg);
        }
        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition-fast);
        }
        .navbar-toggle:hover {
            background: rgba(245, 158, 11, 0.1);
        }
        .navbar-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--gold-24k);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .navbar-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Hero Category */
        .hero-category {
            padding-top: 72px;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(5, 31, 20, 0.9) 0%, rgba(4, 26, 14, 0.95) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/0c9846f0303cf6b7.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 140px;
            background: linear-gradient(180deg, transparent 0%, var(--dark-bg) 100%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-category .container-custom {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 20px;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: var(--gold-24k);
            font-weight: 600;
        }
        .hero-breadcrumb a:hover {
            color: var(--gold-light);
        }
        .hero-breadcrumb .separator {
            color: var(--olive-gold);
            font-size: 0.75rem;
        }
        .hero-category h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--ivory-white);
            letter-spacing: -0.03em;
            line-height: 1.25;
            margin-bottom: 16px;
            max-width: 800px;
        }
        .hero-category h1 .highlight-gold {
            color: var(--gold-light);
            text-shadow: 0 0 30px rgba(245, 158, 11, 0.5);
        }
        .hero-category .lead-text {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 28px;
            opacity: 0.9;
        }
        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-gold {
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            border: none;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-primary-gold:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            color: var(--dark-bg);
        }
        .btn-outline-light-custom {
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid rgba(245, 158, 11, 0.35);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-outline-light-custom:hover {
            background: rgba(245, 158, 11, 0.08);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }
        /* Section common */
        .section-custom {
            padding: var(--section-space) 0;
            position: relative;
        }
        .section-alt {
            background: rgba(11, 46, 30, 0.4);
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            border-bottom: 1px solid rgba(245, 158, 11, 0.12);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--gold-24k);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.25);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
        }
        /* Data metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gold-gradient);
            opacity: 0.6;
        }
        .metric-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }
        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .metric-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        /* Strategy cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 0;
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .strategy-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        .strategy-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: rgba(5, 31, 20, 0.6);
        }
        .strategy-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .strategy-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--dragon-red);
            color: var(--ivory-white);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            box-shadow: 0 2px 10px rgba(220, 38, 38, 0.4);
        }
        .strategy-card .card-body-custom {
            padding: 20px;
        }
        .strategy-card .card-body-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .strategy-card .card-body-custom p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        /* Steps */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
            display: grid;
            gap: 0;
        }
        .steps-list li {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
            counter-increment: step-counter;
            position: relative;
        }
        .steps-list li:last-child {
            border-bottom: none;
        }
        .steps-list li::before {
            content: counter(step-counter, decimal-leading-zero);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--gold-24k);
            min-width: 48px;
            text-align: left;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }
        /* Comparison table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--card-border);
            background: var(--card-bg);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .compare-table th {
            background: rgba(245, 158, 11, 0.1);
            color: var(--gold-light);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
        }
        .compare-table td {
            padding: 14px 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(245, 158, 11, 0.08);
            vertical-align: middle;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover td {
            background: rgba(245, 158, 11, 0.04);
        }
        .compare-table .highlight-cell {
            color: var(--gold-light);
            font-weight: 700;
        }
        .compare-table .check-icon {
            color: #10B981;
            font-size: 1rem;
        }
        .compare-table .star-icon {
            color: var(--gold-24k);
            font-size: 0.85rem;
        }
        /* FAQ */
        .faq-list {
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 0;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.45);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: none;
            border: none;
            color: var(--ivory-white);
            font-size: 1rem;
            font-weight: 700;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            color: var(--gold-light);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--gold-24k);
            transition: all var(--transition-fast);
        }
        .faq-item .faq-question.active .faq-icon {
            transform: rotate(180deg);
            background: rgba(245, 158, 11, 0.3);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }
        .faq-item .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        /* CTA panel */
        .cta-panel {
            background: linear-gradient(145deg, rgba(5, 31, 20, 0.95) 0%, rgba(11, 46, 30, 0.9) 100%);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .cta-btn-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--gold-gradient);
            border: 2px solid var(--gold-24k);
            box-shadow: var(--shadow-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.8;
            transition: all var(--transition-smooth);
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-royal .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--dragon-red);
            border-radius: 50%;
            border: 2px solid var(--ivory-white);
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.6);
        }
        @keyframes fab-breathe {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-5px);
            }
        }
        /* Footer */
        .site-footer {
            background: rgba(3, 18, 10, 0.95);
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            padding: 50px 0 30px;
            position: relative;
            z-index: 1;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .footer-badge {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            background: rgba(245, 158, 11, 0.06);
            border: 1px solid rgba(245, 158, 11, 0.2);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
        }
        .badge-18 {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--dragon-red);
            color: var(--ivory-white);
            font-weight: 800;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            border: 2px solid var(--ivory-white);
            box-shadow: 0 0 12px rgba(220, 38, 38, 0.5);
        }
        .badge-text {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .footer-column ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .footer-column ul li a:hover {
            color: var(--gold-light);
            transform: translateX(3px);
        }
        .footer-column ul li a i {
            font-size: 0.7rem;
            color: var(--gold-24k);
            width: 14px;
            text-align: center;
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(245, 158, 11, 0.12);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-column:last-child {
                grid-column: span 2;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(5, 31, 20, 0.98);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(245, 158, 11, 0.25);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .navbar-toggle {
                display: flex;
            }
            .header-actions {
                display: none;
            }
            .header-actions.mobile-show {
                display: flex;
                gap: 10px;
                padding: 12px 0;
                border-top: 1px solid rgba(245, 158, 11, 0.15);
                margin-top: 8px;
            }
            .header-actions.mobile-show .btn-login,
            .header-actions.mobile-show .btn-signup {
                flex: 1;
                text-align: center;
                padding: 12px;
            }
            .hero-category {
                min-height: 350px;
                padding-top: 64px;
            }
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category .lead-text {
                font-size: 0.95rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-column:last-child {
                grid-column: span 1;
            }
            .cta-panel {
                padding: 28px 20px;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .steps-list li::before {
                font-size: 1.3rem;
                min-width: 36px;
            }
            .step-content h4 {
                font-size: 0.95rem;
            }
            .btn-primary-gold,
            .btn-outline-light-custom {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .fab-royal {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.45rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card {
                padding: 18px 16px;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-gold,
            .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
            }
            .compare-table {
                min-width: 480px;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .steps-list li {
                gap: 12px;
                padding: 16px 0;
            }
            .steps-list li::before {
                font-size: 1.1rem;
                min-width: 30px;
            }
            .cta-btn-row {
                flex-direction: column;
            }
            .cta-btn-row .btn-primary-gold,
            .cta-btn-row .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --imperial-jade: #051F14;
            --dark-forest: #0B2E1E;
            --deep-velvet: #0A281A;
            --gold-24k: #F59E0B;
            --gold-light: #FCD34D;
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            --dragon-red: #DC2626;
            --ivory-white: #F8FAFC;
            --pale-mint: #D1FAE5;
            --olive-gold: #A3A375;
            --dark-bg: #041A0E;
            --card-bg: rgba(11, 46, 30, 0.85);
            --card-border: rgba(245, 158, 11, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-space: 80px;
            --container-max: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.65;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(5, 31, 20, 0.95) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold-24k);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(245, 158, 11, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
        }

        .brand-logo .logo-text {
            font-size: 0.95rem;
            line-height: 1.25;
        }

        .brand-logo .logo-text strong {
            display: block;
            font-size: 1.05rem;
            color: var(--ivory-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-links li a.active {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.12);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--gold-gradient);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-login,
        .btn-signup {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login {
            color: var(--gold-light);
            border: 1px solid rgba(245, 158, 11, 0.4);
            background: transparent;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }

        .btn-signup {
            background: var(--gold-gradient);
            color: var(--dark-bg);
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--dark-bg);
        }

        .navbar-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 10px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--gold-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggle:hover {
            background: rgba(245, 158, 11, 0.2);
        }

        .navbar-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 480px;
            padding: 130px 0 70px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/dc786f2d462a7030.jpg') center/cover no-repeat;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.92) 0%, rgba(10, 40, 26, 0.85) 45%, rgba(5, 31, 20, 0.75) 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: var(--dragon-red);
            color: #fff;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            box-shadow: 0 4px 18px rgba(220, 38, 38, 0.5);
            animation: pulse-badge 2s infinite;
        }

        .hero-badge i {
            font-size: 1rem;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 4px 18px rgba(220, 38, 38, 0.5); }
            50% { box-shadow: 0 4px 30px rgba(220, 38, 38, 0.8); }
        }

        .hero-title {
            font-size: 2.35rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 20px 0 16px;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.6;
            max-width: 600px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .hero-cta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary-gold {
            padding: 14px 28px;
            background: var(--gold-gradient);
            color: var(--dark-bg);
            border: none;
            border-radius: 14px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-gold);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-gold:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--dark-bg);
        }

        .btn-outline-gold {
            padding: 14px 28px;
            background: transparent;
            color: var(--gold-light);
            border: 1px solid rgba(245, 158, 11, 0.5);
            border-radius: 14px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-gold:hover {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--gold-24k);
            color: var(--gold-light);
        }

        /* Section Base */
        section {
            position: relative;
            z-index: 1;
            padding: var(--section-space) 0;
        }

        .section-heading {
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(245, 158, 11, 0.12);
            color: var(--gold-light);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.6;
            margin: 0;
        }

        /* Stats Dashboard */
        .stats-section {
            background: rgba(5, 31, 20, 0.6);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: left;
            transition: all var(--transition-fase);
        }

        .stat-card:hover {
            border-color: rgba(245, 158, 11, 0.55);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .stat-value {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--gold-light);
            margin-bottom: 6px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Promo Service Matrix */
        .promo-section {
            background: var(--dark-bg);
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: all var(--transition-smooth);
        }

        .promo-card:hover {
            border-color: rgba(245, 158, 11, 0.55);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .promo-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.4rem;
        }

        .promo-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 6px;
        }

        .promo-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .promo-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--dragon-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        /* Compare Section */
        .compare-section {
            background: rgba(5, 31, 20, 0.5);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

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

        .compare-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .compare-item.highlight {
            border-color: rgba(245, 158, 11, 0.6);
            box-shadow: var(--shadow-gold);
            position: relative;
        }

        .compare-item.highlight::before {
            content: 'HOT';
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--dragon-red);
            color: #fff;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 800;
            letter-spacing: 0.08em;
        }

        .compare-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 14px;
        }

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

        .compare-list li {
            padding: 8px 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid rgba(245, 158, 11, 0.1);
        }

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

        .compare-list li i {
            color: var(--gold-24k);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Timeline */
        .timeline-section {
            background: var(--dark-bg);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            width: 2px;
            height: 100%;
            background: linear-gradient(180deg, var(--gold-24k), rgba(245, 158, 11, 0.15));
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--gold-gradient);
            box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
        }

        .timeline-date {
            font-size: 0.8rem;
            color: var(--gold-light);
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* News Section */
        .news-section {
            background: rgba(5, 31, 20, 0.5);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

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

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .news-card:hover {
            border-color: rgba(245, 158, 11, 0.55);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-body {
            padding: 20px;
        }

        .news-category {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(245, 158, 11, 0.12);
            color: var(--gold-light);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ivory-white);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .news-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--card-bg);
            border: 1px dashed rgba(245, 158, 11, 0.3);
            border-radius: var(--radius-md);
        }

        /* Trust Section */
        .trust-section {
            background: var(--dark-bg);
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .trust-item {
            text-align: left;
            padding: 20px;
            background: rgba(11, 46, 30, 0.5);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(245, 158, 11, 0.1);
        }

        .trust-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(245, 158, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .trust-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 4px;
        }

        .trust-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Quick QA */
        .quick-qa-section {
            background: rgba(5, 31, 20, 0.5);
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            border-bottom: 1px solid rgba(245, 158, 11, 0.15);
        }

        .quick-qa-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .quick-qa-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 20px;
        }

        .quick-qa-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 8px;
        }

        .quick-qa-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

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

        .faq-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--ivory-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(245, 158, 11, 0.1);
            color: var(--gold-light);
        }

        .faq-accordion .accordion-button::after {
            filter: invert(1) sepia(1) saturate(5) hue-rotate(10deg);
        }

        .faq-accordion .accordion-body {
            background: rgba(5, 31, 20, 0.4);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            padding: 16px 20px;
        }

        /* CTA Form */
        .cta-form-section {
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.9) 0%, rgba(10, 40, 26, 0.92) 100%);
            border-top: 1px solid rgba(245, 158, 11, 0.2);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            padding: 70px 0;
        }

        .cta-form-card {
            max-width: 680px;
            margin: 0 auto;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 36px;
        }

        .cta-form-card .form-label {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 6px;
        }

        .cta-form-card .form-control {
            background: rgba(5, 31, 20, 0.7);
            border: 1px solid rgba(245, 158, 11, 0.25);
            color: var(--ivory-white);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }

        .cta-form-card .form-control:focus {
            border-color: var(--gold-24k);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
            background: rgba(5, 31, 20, 0.9);
        }

        .cta-form-card .form-control::placeholder {
            color: rgba(163, 163, 117, 0.7);
        }

        .cta-form-card select.form-control option {
            background: #0B2E1E;
            color: #F8FAFC;
        }

        /* Footer */
        .site-footer {
            background: rgba(4, 26, 14, 0.95);
            border-top: 1px solid rgba(245, 158, 11, 0.25);
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand {
            flex: 1 1 320px;
            max-width: 360px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 14px;
        }

        .footer-badge {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-top: 16px;
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--dragon-red);
            color: #fff;
            font-weight: 800;
            font-size: 0.8rem;
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 0 15px rgba(220, 38, 38, 0.4);
        }

        .badge-text {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .footer-column {
            flex: 1 1 180px;
            min-width: 160px;
        }

        .footer-column h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-column ul li {
            margin-bottom: 8px;
        }

        .footer-column ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-column ul li a:hover {
            color: var(--gold-light);
            transform: translateX(3px);
        }

        .footer-column ul li a i {
            font-size: 0.75rem;
            color: var(--gold-24k);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-links-minor {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
        }

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

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

        /* FAB */
        .fab-gold {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle, #FCD34D 0%, #F59E0B 45%, #D97706 100%);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.8;
            transition: all var(--transition-smooth);
            animation: fab-breath 3s ease-in-out infinite;
        }

        .fab-gold:hover {
            opacity: 1;
            transform: scale(1.1);
            animation: none;
        }

        .fab-gold:active {
            transform: scale(0.95) translateY(4px);
            animation: none;
        }

        @keyframes fab-breath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #F8FAFC;
            box-shadow: 0 0 8px rgba(220, 38, 38, 0.7);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-qa-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 60px;
            }

            .navbar-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(245, 158, 11, 0.3);
                z-index: 1040;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li a {
                padding: 14px 16px;
                font-size: 0.95rem;
                border-radius: 8px;
                display: flex;
                justify-content: space-between;
            }

            .header-actions .btn-login {
                display: none;
            }

            .header-actions .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .hero-section {
                min-height: 420px;
                padding: 110px 0 50px;
            }

            .hero-title {
                font-size: 1.75rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

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

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

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

            .footer-inner {
                gap: 28px;
            }

            .footer-column {
                flex: 1 1 45%;
            }

            .cta-form-card {
                padding: 24px;
            }

            .fab-gold {
                width: 48px;
                height: 48px;
                bottom: 80px;
                left: 12px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-space: 50px;
            }

            .container-custom {
                padding: 0 16px;
            }

            .header-inner {
                height: 64px;
                gap: 10px;
            }

            .brand-logo .logo-text {
                font-size: 0.85rem;
            }

            .brand-logo .logo-text strong {
                font-size: 0.95rem;
            }

            .header-actions .btn-signup {
                padding: 6px 10px;
                font-size: 0.75rem;
            }

            .hero-section {
                padding: 100px 0 40px;
                min-height: 380px;
            }

            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }

            .hero-title {
                font-size: 1.45rem;
            }

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

            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary-gold,
            .btn-outline-gold {
                justify-content: center;
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 18px 16px;
            }

            .stat-value {
                font-size: 1.6rem;
            }

            .promo-card {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }

            .promo-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }

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

            .timeline {
                padding-left: 20px;
            }

            .timeline-item {
                padding-left: 14px;
            }

            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }

            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }

            .footer-column {
                flex: 1 1 auto;
                min-width: 0;
            }

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

            .footer-links-minor {
                justify-content: center;
                flex-wrap: wrap;
            }

            .cta-form-card {
                padding: 20px 16px;
            }

            .fab-gold {
                width: 44px;
                height: 44px;
                bottom: 70px;
                left: 10px;
                font-size: 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --imperial-jade: #051F14;
            --dark-forest: #0B2E1E;
            --deep-velvet: #0A281A;
            --gold-24k: #F59E0B;
            --gold-light: #FCD34D;
            --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FCD34D 50%, #F59E0B 100%);
            --dragon-red: #DC2626;
            --ivory-white: #F8FAFC;
            --pale-mint: #D1FAE5;
            --olive-gold: #A3A375;
            --dark-bg: #041A0E;
            --card-bg: rgba(11, 46, 30, 0.85);
            --card-border: rgba(245, 158, 11, 0.3);
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 32px;
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 6px 25px rgba(245, 158, 11, 0.35);
            --shadow-hover: 0 12px 40px rgba(245, 158, 11, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-space: 80px;
            --container-max: 1200px;
        }

        @media (max-width: 991px) {
            :root {
                --section-space: 60px;
            }
        }

        @media (max-width: 576px) {
            :root {
                --section-space: 50px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
            position: relative;
            z-index: 1;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 30%, rgba(5, 31, 20, 0.95) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 80%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--gold-24k);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(5, 31, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(5, 31, 20, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            border-bottom-color: rgba(245, 158, 11, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gold-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-bg);
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
        }

        .brand-logo .logo-text {
            font-size: 0.95rem;
            line-height: 1.25;
        }

        .brand-logo .logo-text strong {
            display: block;
            font-size: 1.05rem;
            color: var(--ivory-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.08);
        }

        .nav-links li a.active {
            color: var(--gold-light);
            background: rgba(245, 158, 11, 0.12);
            box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.25);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(245, 158, 11, 0.5);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--gold-light);
            background: transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.1);
            color: var(--gold-light);
            border-color: var(--gold-24k);
        }

        .btn-signup {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
            color: var(--dark-bg);
        }

        .navbar-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid rgba(245, 158, 11, 0.3);
            background: rgba(5, 31, 20, 0.7);
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .navbar-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--gold-light);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Main */
        main {
            position: relative;
            z-index: 1;
            padding-top: 72px;
            min-height: 100vh;
        }

        /* Sections common */
        .section-block {
            padding: var(--section-space) 0;
            position: relative;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.35);
            color: var(--gold-light);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-heading h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .section-heading p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Hero inner */
        .hero-inner {
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.97) 0%, rgba(11, 46, 30, 0.9) 50%, rgba(4, 26, 14, 0.95) 100%);
            border-bottom: 1px solid rgba(245, 158, 11, 0.2);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 15% 30%, rgba(245, 158, 11, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 70%, rgba(220, 38, 38, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-inner .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .hero-inner .hero-text {
            flex: 1.2;
        }

        .hero-inner .hero-image {
            flex: 0.8;
            max-width: 420px;
        }

        .hero-inner .hero-image img {
            border-radius: var(--radius-md);
            border: 1px solid rgba(245, 158, 11, 0.3);
            box-shadow: 0 0 40px rgba(245, 158, 11, 0.15);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--gold-light);
            font-weight: 600;
        }

        .breadcrumb-nav a:hover {
            text-decoration: underline;
        }

        .breadcrumb-nav i {
            font-size: 0.7rem;
            color: var(--olive-gold);
        }

        .hero-inner h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--ivory-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-inner h1 .highlight {
            color: var(--gold-light);
            background: linear-gradient(135deg, var(--gold-light), var(--gold-24k));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-inner .hero-sub {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 650px;
            margin-bottom: 24px;
        }

        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark-bg);
            background: var(--gold-gradient);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-primary-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(245, 158, 11, 0.6);
            color: var(--dark-bg);
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(10px);
        }

        .metric-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .metric-item .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(245, 158, 11, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .metric-item .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold-light);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .metric-item .metric-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Service cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gold-gradient);
            border-radius: var(--radius-md) 0 0 var(--radius-md);
            opacity: 0.6;
        }

        .service-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .service-card .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.5rem;
            flex-shrink: 0;
            margin-top: 4px;
        }

        .service-card .service-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .service-card .service-info p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--card-border);
            transition: all var(--transition-smooth);
        }

        .comparison-card.before {
            background: rgba(220, 38, 38, 0.08);
            border-color: rgba(220, 38, 38, 0.3);
        }

        .comparison-card.after {
            background: rgba(5, 31, 20, 0.7);
            border-color: rgba(245, 158, 11, 0.4);
            position: relative;
        }

        .comparison-card.after::after {
            content: 'TỐI ƯU';
            position: absolute;
            top: -12px;
            right: 20px;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--gold-gradient);
            color: var(--dark-bg);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        .comparison-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .comparison-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.92rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .comparison-card ul li:last-child {
            border-bottom: none;
        }

        .comparison-card ul li i {
            flex-shrink: 0;
            margin-top: 3px;
        }

        .comparison-card.before ul li i {
            color: var(--dragon-red);
        }

        .comparison-card.after ul li i {
            color: var(--gold-light);
        }

        /* Milestones */
        .milestone-grid {
            display: flex;
            gap: 24px;
            align-items: stretch;
            position: relative;
            overflow-x: auto;
            padding-bottom: 10px;
        }

        .milestone-step {
            flex: 1;
            min-width: 160px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition-smooth);
            text-align: left;
        }

        .milestone-step:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .milestone-step .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gold-gradient);
            color: var(--dark-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 14px;
            box-shadow: 0 0 15px rgba(245, 158, 11, 0.35);
        }

        .milestone-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 8px;
        }

        .milestone-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 0;
        }

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

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(10px);
            text-align: left;
            position: relative;
        }

        .news-card:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }

        .news-card .news-category {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid rgba(245, 158, 11, 0.3);
            color: var(--gold-light);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            align-self: flex-start;
        }

        .news-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--ivory-white);
            line-height: 1.45;
            margin-bottom: 0;
        }

        .news-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 0;
            flex: 1;
        }

        .news-card .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .no-updates {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            font-size: 1rem;
            color: var(--text-muted);
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
        }

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

        .guarantee-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
            text-align: left;
        }

        .guarantee-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
            box-shadow: var(--shadow-soft);
            transform: translateY(-3px);
        }

        .guarantee-item .guarantee-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .guarantee-item .guarantee-text h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--ivory-white);
            margin-bottom: 4px;
        }

        .guarantee-item .guarantee-text p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* Quick answers */
        .tips-panel {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
        }

        .tips-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 14px 16px;
            background: rgba(5, 31, 20, 0.5);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--gold-24k);
            transition: all var(--transition-fast);
        }

        .tips-list li:hover {
            background: rgba(11, 46, 30, 0.7);
            border-left-color: var(--gold-light);
        }

        .tips-list li i {
            color: var(--gold-light);
            font-size: 1.1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.5);
        }

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

        .faq-item .faq-question i {
            color: var(--gold-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(5, 31, 20, 0.95) 0%, rgba(11, 46, 30, 0.85) 50%, rgba(5, 31, 20, 0.95) 100%);
            border-top: 1px solid rgba(245, 158, 11, 0.25);
            border-bottom: 1px solid rgba(245, 158, 11, 0.25);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(245, 158, 11, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            justify-content: space-between;
        }

        .cta-text {
            flex: 1;
        }

        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ivory-white);
            margin-bottom: 12px;
        }

        .cta-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .cta-form {
            flex: 0.8;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(245, 158, 11, 0.3);
            background: rgba(5, 31, 20, 0.8);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form input:focus {
            border-color: var(--gold-24k);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }

        .cta-form .btn-primary-gold {
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: rgba(4, 26, 14, 0.98);
            border-top: 1px solid rgba(245, 158, 11, 0.25);
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-brand .brand-logo .logo-text {
            font-size: 0.85rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 360px;
            margin-bottom: 16px;
        }

        .footer-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: rgba(5, 31, 20, 0.6);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }

        .footer-badge .badge-18 {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--dragon-red);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--ivory-white);
            flex-shrink: 0;
        }

        .footer-badge .badge-text {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--gold-light);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-column ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-column ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .footer-column ul li a i {
            font-size: 0.7rem;
            color: var(--gold-24k);
            width: 16px;
            text-align: center;
        }

        .footer-column ul li a:hover {
            color: var(--gold-light);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(245, 158, 11, 0.15);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .footer-bottom .footer-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* FAB */
        .fab-widget {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--deep-velvet);
            border: 2px solid var(--gold-24k);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-light);
            font-size: 1.3rem;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-decoration: none;
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-widget:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 35px rgba(245, 158, 11, 0.55);
            color: var(--gold-light);
        }

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

        .fab-widget .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--dragon-red);
            border: 2px solid var(--ivory-white);
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .hero-inner .hero-content {
                flex-direction: column;
                text-align: left;
                gap: 30px;
            }

            .hero-inner .hero-image {
                max-width: 100%;
                width: 100%;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(245, 158, 11, 0.3);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links li a {
                padding: 12px 16px;
                width: 100%;
                font-size: 1rem;
            }

            .navbar-toggle {
                display: flex;
            }

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

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

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

            .cta-content {
                flex-direction: column;
                text-align: left;
                gap: 24px;
            }

            .cta-form {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .header-inner {
                height: 64px;
            }

            .brand-logo .logo-text {
                font-size: 0.82rem;
            }

            .brand-logo .logo-text strong {
                font-size: 0.9rem;
            }

            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 8px 12px;
                font-size: 0.78rem;
            }

            .hero-inner {
                padding: 40px 0 36px;
            }

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

            .hero-inner .hero-sub {
                font-size: 0.95rem;
            }

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

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

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

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }

            .cta-text h2 {
                font-size: 1.4rem;
            }

            .section-heading h2 {
                font-size: 1.5rem;
            }

            .milestone-grid {
                gap: 16px;
            }

            .milestone-step {
                min-width: 140px;
                padding: 18px;
            }

            .fab-widget {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}