/* roulang page: index */
:root {
            --bg-deep: #0A2E1C;
            --bg-forest: #123E25;
            --bg-card: #0D3522;
            --bg-dark: #082618;
            --gold: #FFD700;
            --gold-bright: #FFC107;
            --gold-muted: #D4AC0D;
            --gold-light: #FEF08A;
            --red-lucky: #D32F2F;
            --red-bright: #E53935;
            --white: #FFFFFF;
            --pale-mint: #D1F2EB;
            --mint-light: #E8F8F3;
            --text-soft: #B8D8CF;
            --text-muted: #8FBFB0;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-subtle: rgba(209, 242, 235, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-gold-strong: 0 8px 40px rgba(255, 215, 0, 0.35);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-heading: 'Playfair Display', 'Be Vietnam Pro', serif;
            --font-body: 'Be Vietnam Pro', sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1240px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            font-weight: 400;
            font-size: 16px;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

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

        ul, ol {
            list-style: none;
        }

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

        /* ==================== HEADER / NAV ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            height: var(--nav-height);
            transition: background var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(8, 38, 24, 0.97);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--gold);
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            font-size: 1.6rem;
            color: var(--gold-bright);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-links a.nav-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--pale-mint);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

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

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

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

        .btn-nav-login {
            background: transparent;
            color: var(--pale-mint);
            padding: 9px 18px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-login:hover {
            color: var(--gold);
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .btn-nav-signup {
            background: linear-gradient(135deg, var(--gold-bright), var(--gold));
            color: var(--bg-deep);
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-nav-signup:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow-gold-strong);
            background: linear-gradient(135deg, #FFD54F, #FFC107);
        }

        .btn-nav-signup:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--pale-mint);
            font-size: 1.6rem;
            padding: 6px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(8, 38, 24, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            padding: 16px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
        }

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

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1rem;
            color: var(--pale-mint);
            transition: all var(--transition-fast);
        }

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

        /* ==================== FAB ==================== */
        .fab-floating {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 35%, #1C3A2A, #0A1F14);
            border: 2.5px solid var(--gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fab-breathe 3s ease-in-out infinite;
            opacity: 0.75;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 36px rgba(255, 215, 0, 0.5);
            animation: none;
        }

        .fab-floating:active {
            transform: scale(0.94) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }

        .fab-floating .fab-icon {
            font-size: 1.5rem;
            color: var(--gold);
            transition: transform var(--transition-smooth);
        }

        .fab-floating:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab-dot {
            position: absolute;
            top: 6px;
            right: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--red-bright);
            border: 2px solid var(--bg-deep);
            animation: fab-dot-blink 1.6s ease-in-out infinite;
        }

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

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

        /* ==================== HERO ==================== */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: linear-gradient(180deg, #0A2E1C 0%, #0D3522 40%, #0A2E1C 100%);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 55% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 30% 60%, rgba(10, 46, 28, 0.7) 0%, transparent 50%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

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

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

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold-light);
            white-space: nowrap;
        }

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

        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2.2rem, 3.8vw, 3.4rem);
            font-weight: 900;
            line-height: 1.18;
            color: var(--white);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .hero-title .gold-accent {
            color: var(--gold);
            display: inline;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--pale-mint);
            line-height: 1.65;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--gold-bright), var(--gold));
            color: var(--bg-deep);
            padding: 14px 32px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold-strong);
        }

        .btn-hero-primary:active {
            transform: translateY(0);
        }

        .btn-hero-secondary {
            background: transparent;
            color: var(--pale-mint);
            padding: 13px 28px;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--border-subtle);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-secondary:hover {
            border-color: var(--border-gold);
            color: var(--gold);
            background: rgba(255, 215, 0, 0.04);
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

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

        .hero-stat-num {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 900;
            color: var(--gold);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-soft);
            margin-top: 4px;
        }

        .hero-visual {
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }

        .hero-visual-card {
            background: rgba(13, 53, 34, 0.75);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 24px 28px;
            width: 100%;
            max-width: 400px;
            backdrop-filter: blur(8px);
        }

        .hero-visual-card .vc-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--gold);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-visual-card .vc-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-visual-card .vc-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--pale-mint);
        }

        .hero-visual-card .vc-item i {
            color: var(--gold);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hero-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-gold-strong);
            max-width: 400px;
            width: 100%;
        }

        .hero-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ==================== SECTIONS ==================== */
        section {
            padding: 70px 0;
            position: relative;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--gold);
            background: rgba(255, 215, 0, 0.1);
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.6;
            max-width: 640px;
        }

        .section-title.left,
        .section-desc.left {
            text-align: left;
        }

        /* ==================== STATS DASHBOARD ==================== */
        .stats-dashboard {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

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

        .stat-card {
            background: rgba(13, 53, 34, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--gold);
            margin-bottom: 10px;
        }

        .stat-card .stat-value {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 900;
            color: var(--white);
            line-height: 1;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-top: 6px;
        }

        /* ==================== INTRO SECTION ==================== */
        .intro-section {
            background: var(--bg-deep);
        }

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

        .intro-text h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 2.2vw, 1.9rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 16px;
            text-align: left;
        }

        .intro-text p {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 12px;
            text-align: left;
        }

        .intro-visual {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: var(--shadow-card);
        }

        .intro-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ==================== SELLING POINTS ==================== */
        .selling-section {
            background: var(--bg-forest);
        }

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

        .selling-card {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .selling-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--gold-bright), var(--gold));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

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

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

        .selling-card .sc-icon {
            font-size: 2.2rem;
            color: var(--gold);
            margin-bottom: 16px;
        }

        .selling-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            text-align: left;
        }

        .selling-card p {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.55;
            text-align: left;
        }

        /* ==================== VERTICAL CARDS / GAME SHOWCASE ==================== */
        .showcase-section {
            background: var(--bg-deep);
        }

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

        .showcase-card {
            background: rgba(13, 53, 34, 0.65);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .showcase-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }

        .showcase-card .sc-img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--border-subtle);
        }

        .showcase-card .sc-body {
            padding: 20px;
        }

        .showcase-card .sc-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--red-lucky);
            background: rgba(211, 47, 47, 0.15);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        .showcase-card .sc-tag.hot {
            color: #FF6B35;
            background: rgba(255, 107, 53, 0.15);
        }

        .showcase-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
            text-align: left;
        }

        .showcase-card p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.5;
            text-align: left;
            margin-bottom: 12px;
        }

        .showcase-card .sc-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--gold);
            transition: gap var(--transition-fast);
        }

        .showcase-card:hover .sc-cta {
            gap: 10px;
        }

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

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

        .tip-card {
            background: rgba(10, 46, 28, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 28px 22px;
            transition: all var(--transition-smooth);
        }

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

        .tip-number {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--gold);
            opacity: 0.5;
            line-height: 1;
            margin-bottom: 8px;
        }

        .tip-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
            text-align: left;
        }

        .tip-card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.55;
            text-align: left;
        }

        /* ==================== TIER COMPARISON ==================== */
        .tier-section {
            background: var(--bg-deep);
        }

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

        .tier-card {
            background: rgba(13, 53, 34, 0.55);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .tier-card.featured {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
            background: rgba(18, 62, 37, 0.75);
            transform: scale(1.03);
        }

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

        .tier-card.featured:hover {
            transform: scale(1.04);
        }

        .tier-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 6px;
            text-align: center;
        }

        .tier-badge {
            display: inline-block;
            align-self: center;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--red-lucky);
            background: rgba(211, 47, 47, 0.15);
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .tier-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--pale-mint);
            line-height: 1.45;
        }

        .tier-features li i {
            color: var(--gold);
            font-size: 0.8rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .tier-features li.disabled {
            color: var(--text-muted);
            text-decoration: line-through;
            opacity: 0.55;
        }

        .tier-features li.disabled i {
            color: var(--text-muted);
            opacity: 0.5;
        }

        .tier-cta {
            display: block;
            text-align: center;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
            border: 2px solid var(--border-gold);
            color: var(--gold);
            background: transparent;
        }

        .tier-card.featured .tier-cta {
            background: linear-gradient(135deg, var(--gold-bright), var(--gold));
            color: var(--bg-deep);
            border-color: transparent;
            box-shadow: var(--shadow-gold);
        }

        .tier-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .tier-card.featured .tier-cta:hover {
            box-shadow: var(--shadow-gold-strong);
        }

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

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: rgba(10, 46, 28, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--white);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
        }

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

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

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

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

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

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

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: block;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-item:hover h4 {
            color: var(--gold);
        }

        .news-item .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .news-empty {
            padding: 32px 0;
            color: var(--text-soft);
            font-size: 0.95rem;
        }

        .news-sidebar {
            background: rgba(13, 53, 34, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }

        .news-sidebar h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--gold);
            margin-bottom: 16px;
        }

        .news-sidebar ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-sidebar ul li a {
            display: block;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            color: var(--pale-mint);
            transition: all var(--transition-fast);
        }

        .news-sidebar ul li a:hover {
            background: rgba(255, 215, 0, 0.06);
            color: var(--gold);
        }

        /* ==================== CTA SECTION ==================== */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-forest) 0%, var(--bg-dark) 100%);
            text-align: center;
        }

        .cta-card {
            background: rgba(13, 53, 34, 0.7);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-2xl);
            padding: 48px 32px;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-gold);
        }

        .cta-card h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 2.2vw, 2rem);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 24px;
            line-height: 1.55;
        }

        .cta-card .btn-hero-primary {
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: 48px 0 28px;
        }

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

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--gold);
            margin-bottom: 14px;
        }

        .footer-col p,
        .footer-col li {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            color: var(--text-soft);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold-light);
            border: 1px solid var(--border-gold);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .hero-visual-card,
            .hero-img-wrap {
                max-width: 340px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .selling-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-3px);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-nav-login {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .btn-nav-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            section {
                padding: 48px 0;
            }
            .hero-section {
                min-height: 78vh;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-stats {
                gap: 14px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .selling-grid {
                grid-template-columns: 1fr;
            }
            .showcase-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .tier-card.featured {
                transform: none;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab-floating .fab-icon {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .nav-inner {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: 1rem;
            }
            .btn-nav-login {
                padding: 6px 10px;
                font-size: 0.74rem;
            }
            .btn-nav-signup {
                padding: 7px 12px;
                font-size: 0.74rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-badge-row {
                gap: 6px;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .showcase-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-value {
                font-size: 1.2rem;
            }
            .stat-card .stat-icon {
                font-size: 1.4rem;
            }
            .selling-card {
                padding: 20px 16px;
            }
            .cta-card {
                padding: 28px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.84rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-surface: #0D3522;
            --bg-card: #0F3825;
            --bg-dark: #072012;
            --bg-input: #0B2818;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFED80;
            --accent-gold-dark: #C8A820;
            --accent-red: #D32F2F;
            --accent-red-light: #EF5350;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBBA8;
            --text-weak: #6B9E8A;
            --border-subtle: rgba(255, 215, 0, 0.18);
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-card: rgba(209, 242, 235, 0.12);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.18);
            --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition-fast: 160ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1140px;
            --max-width-article: 820px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.62;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.28;
            font-weight: 700;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.6rem);
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: clamp(1.4rem, 2.8vw, 2rem);
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.45rem);
        }
        h4 {
            font-size: 1.1rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .container--article {
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(7, 32, 18, 0.96);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
            border-bottom-color: var(--border-gold);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

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

        .logo a:hover {
            color: var(--accent-gold-light);
            text-shadow: 0 0 18px rgba(255, 215, 0, 0.4);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent-gold-dark), var(--accent-gold));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0A2E1C;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-item {
            padding: 9px 17px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-item:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.07);
        }

        .nav-item.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 700;
        }

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

        .btn-nav-login {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: 1.5px solid var(--border-gold);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .btn-nav-signup {
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 700;
            color: #0A2E1C;
            background: var(--accent-gold);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.25);
        }

        .btn-nav-signup:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(7, 32, 18, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: var(--space-lg) var(--space-md);
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

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

        .mobile-menu .nav-item {
            font-size: 1.1rem;
            padding: 14px 20px;
            border-radius: var(--radius-md);
        }

        .mobile-menu .btn-nav-login,
        .mobile-menu .btn-nav-signup {
            width: 100%;
            text-align: center;
            padding: 14px 20px;
            font-size: 1rem;
            margin-top: 4px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            margin-top: calc(var(--nav-height) + 24px);
            padding: 0 var(--space-md);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
            max-width: var(--max-width-article);
            margin: 0 auto;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb .separator {
            color: var(--text-weak);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* ========== ARTICLE HERO ========== */
        .article-hero {
            position: relative;
            margin-top: var(--space-md);
            border-radius: var(--radius-xl);
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-elevated);
            border: 1px solid var(--border-subtle);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.25) 0%, rgba(7, 32, 18, 0.7) 50%, rgba(7, 32, 18, 0.94) 100%);
            z-index: 1;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            top: 20px;
            right: 20px;
            width: 80px;
            height: 80px;
            border: 2px solid rgba(255, 215, 0, 0.25);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            padding: var(--space-xl) var(--space-lg);
            max-width: var(--max-width-article);
            width: 100%;
        }

        .article-category-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-sm);
            box-shadow: 0 2px 10px rgba(211, 47, 47, 0.35);
        }

        .article-hero h1 {
            color: #fff;
            margin-bottom: var(--space-sm);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--space-md);
            flex-wrap: wrap;
            color: var(--text-secondary);
            font-size: 0.88rem;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        /* ========== ARTICLE BODY LAYOUT ========== */
        .article-main {
            padding: var(--space-xl) 0;
        }

        .article-body-wrapper {
            display: flex;
            gap: var(--space-xl);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .article-content-col {
            flex: 1;
            min-width: 0;
            max-width: var(--max-width-article);
        }

        .article-sidebar {
            width: 300px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
        }

        /* ========== TOC / SUMMARY BOX ========== */
        .toc-box {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            margin-bottom: var(--space-lg);
            box-shadow: var(--shadow-gold);
        }

        .toc-box h3 {
            color: var(--accent-gold);
            margin-bottom: var(--space-sm);
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toc-box h3 i {
            font-size: 0.9rem;
        }

        .toc-box ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .toc-box ul li {
            padding-left: 18px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .toc-box ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 7px;
            height: 7px;
            background: var(--accent-gold);
            border-radius: 50%;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content {
            color: var(--text-secondary);
            font-size: 1.02rem;
            line-height: 1.72;
        }

        .article-content h2 {
            color: var(--accent-gold);
            margin-top: var(--space-xl);
            margin-bottom: var(--space-md);
            padding-bottom: var(--space-xs);
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-content h3 {
            color: var(--text-primary);
            margin-top: var(--space-lg);
            margin-bottom: var(--space-sm);
        }

        .article-content p {
            margin-bottom: 1.15rem;
            color: var(--text-secondary);
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.15rem;
            padding-left: 1.5rem;
            list-style: disc;
            color: var(--text-secondary);
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 6px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            padding: var(--space-md) var(--space-lg);
            margin: var(--space-lg) 0;
            background: var(--bg-card);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: var(--space-lg) 0;
            box-shadow: var(--shadow-card);
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 700;
        }

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

        /* ========== METRICS ROW ========== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
            margin: var(--space-xl) 0;
            padding: var(--space-lg);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .metric-item {
            text-align: center;
            padding: var(--space-sm);
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            font-family: var(--font-heading);
            line-height: 1.1;
        }

        .metric-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            margin: var(--space-xl) 0;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            font-size: 0.9rem;
        }

        .comparison-table thead th {
            background: var(--bg-dark);
            color: var(--accent-gold);
            padding: 14px var(--space-md);
            text-align: left;
            font-weight: 700;
            border-bottom: 2px solid var(--border-gold);
        }

        .comparison-table tbody td {
            padding: 12px var(--space-md);
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .comparison-table tbody tr:nth-child(even) {
            background: rgba(255, 215, 0, 0.03);
        }
        .comparison-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.07);
        }

        .comparison-table .highlight-col {
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            color: var(--accent-gold);
            margin-bottom: var(--space-sm);
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.88rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }
        .sidebar-card ul li a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-gold);
        }

        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-secondary));
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .sidebar-cta-box .cta-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: var(--space-sm);
        }
        .sidebar-cta-box h4 {
            color: var(--accent-gold);
            margin-bottom: 6px;
        }
        .sidebar-cta-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--space-md);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-2xl) 0;
        }

        .faq-section h2 {
            text-align: left;
            margin-bottom: var(--space-lg);
            color: var(--accent-gold);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

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

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

        .faq-question {
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-primary);
            user-select: none;
            gap: var(--space-md);
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--space-lg);
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--space-2xl) 0;
        }

        .cta-card {
            background: var(--bg-card);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            box-shadow: var(--shadow-gold);
            flex-wrap: wrap;
        }

        .cta-card-content {
            flex: 1;
            min-width: 240px;
        }

        .cta-card-content h2 {
            color: var(--accent-gold);
            margin-bottom: var(--space-xs);
            font-size: 1.5rem;
        }
        .cta-card-content p {
            color: var(--text-secondary);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        .cta-form {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
            align-items: center;
            flex: 1;
            min-width: 260px;
            justify-content: flex-end;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 13px 18px;
            border-radius: var(--radius-full);
            border: 1.5px solid var(--border-subtle);
            background: var(--bg-input);
            color: var(--text-primary);
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
        }

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

        .btn-cta-submit {
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-cta-submit:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 4px 22px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }

        /* ========== NOT FOUND ========== */
        .not-found-block {
            text-align: center;
            padding: var(--space-3xl) var(--space-md);
            min-height: 50vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .not-found-block .nf-icon {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: var(--space-lg);
            opacity: 0.7;
        }
        .not-found-block h2 {
            color: var(--text-primary);
            margin-bottom: var(--space-sm);
        }
        .not-found-block p {
            color: var(--text-muted);
            margin-bottom: var(--space-lg);
        }
        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 14px rgba(255, 215, 0, 0.3);
        }
        .btn-back-home:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 4px 22px rgba(255, 215, 0, 0.45);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: var(--space-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-col h4 {
            color: var(--accent-gold);
            margin-bottom: var(--space-sm);
            font-size: 1rem;
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-md);
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        .footer-badges {
            display: flex;
            gap: var(--space-sm);
            flex-wrap: wrap;
        }

        .footer-badge {
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .footer-badge i {
            color: var(--accent-gold);
        }

        /* ========== FAB ========== */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #2a1a08, #0d0802);
            border: 2.5px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            animation: fab-float 3s ease-in-out infinite;
            transition: all var(--transition-fast);
            opacity: 0.7;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-left i {
            color: var(--accent-gold);
            font-size: 1.3rem;
            transition: transform 0.4s ease;
        }
        .fab-left:hover i {
            transform: rotate(360deg);
        }

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: fab-blink 1.4s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-7px); }
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-body-wrapper {
                flex-direction: column;
            }
            .article-sidebar {
                width: 100%;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .article-sidebar > * {
                flex: 1;
                min-width: 240px;
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-card {
                flex-direction: column;
                text-align: center;
            }
            .cta-form {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .btn-nav-login {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .btn-nav-signup {
                padding: 7px 16px;
                font-size: 0.8rem;
            }
            .hamburger {
                display: flex;
            }
            .article-hero {
                min-height: 240px;
                border-radius: var(--radius-lg);
            }
            .article-hero-content {
                padding: var(--space-lg) var(--space-md);
            }
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
                padding: var(--space-md);
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .comparison-table {
                font-size: 0.78rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
            }
            .fab-left i {
                font-size: 1.1rem;
            }
            .sidebar-card,
            .sidebar-cta-box {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .logo a {
                font-size: 1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn-nav-login,
            .btn-nav-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .article-hero {
                min-height: 200px;
            }
            .article-hero h1 {
                font-size: 1.3rem;
            }
            .article-meta {
                font-size: 0.75rem;
                gap: var(--space-sm);
            }
            .toc-box {
                padding: var(--space-md);
            }
            .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .cta-form input {
                width: 100%;
            }
            .btn-cta-submit {
                width: 100%;
                text-align: center;
            }
            .metrics-row {
                grid-template-columns: 1fr 1fr;
                padding: var(--space-sm);
            }
            .faq-question {
                font-size: 0.88rem;
                padding: var(--space-sm) var(--space-md);
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-deep: #071F13;
            --bg-card: #0D3520;
            --bg-input: #0B2B1A;
            --accent-gold: #FFD700;
            --accent-gold-soft: #F5C518;
            --accent-gold-pale: #FFE87C;
            --accent-red: #D32F2F;
            --accent-red-bright: #EF4444;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-mint-muted: #9BC8B8;
            --text-body: #E8F5EF;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --border-mint: rgba(209, 242, 235, 0.15);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-gold-hover: 0 8px 32px rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --container-max: 1200px;
            --container-narrow: 920px;
            --font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-mint);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base), background var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            background: rgba(7, 31, 19, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #1A4A2A, #0D3520);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-gold);
            flex-shrink: 0;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .logo:hover .logo-icon {
            transform: rotate(10deg);
            box-shadow: var(--shadow-gold);
        }

        .logo span {
            font-size: 0.95rem;
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }

        .logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-mint-muted);
            letter-spacing: 0.04em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-item {
            padding: 10px 16px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-mint);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

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

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

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-size: 0.92rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            min-height: 44px;
        }

        .btn-gold {
            background: linear-gradient(135deg, #FFD700, #E6B800);
            color: #1A1A00;
            border-color: #FFD700;
            box-shadow: var(--shadow-gold);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE44D, #F5C518);
            box-shadow: var(--shadow-gold-hover);
            transform: translateY(-2px);
            border-color: #FFE87C;
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-mint);
            border-color: var(--border-gold-strong);
        }

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

        .btn-red {
            background: linear-gradient(135deg, #D32F2F, #B71C1C);
            color: #fff;
            border-color: #D32F2F;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.3);
        }

        .btn-red:hover {
            background: linear-gradient(135deg, #EF4444, #C62828);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.45);
            transform: translateY(-2px);
        }

        .btn-red:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            min-height: 38px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            min-height: 56px;
        }

        .btn-block {
            width: 100%;
        }

        .btn-text-only {
            background: transparent;
            color: var(--text-mint);
            border: none;
            padding: 10px 14px;
            font-weight: 600;
            font-size: 0.9rem;
            min-height: 38px;
            display: inline-flex;
            align-items: center;
        }

        .btn-text-only:hover {
            color: var(--accent-gold);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            min-width: 40px;
            min-height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        .mobile-toggle .bar {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-toggle.open .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-toggle.open .bar:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-toggle.open .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ============ HERO ============ */
        .hero {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 60px;
            background: linear-gradient(180deg, #061D12 0%, #0A2E1C 40%, #0D3520 100%);
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center top, rgba(255, 215, 0, 0.06) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-gold-pale);
            letter-spacing: 0.03em;
            margin-bottom: var(--space-md);
        }

        .hero-badge i {
            font-size: 0.8rem;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.18;
            color: var(--text-white);
            letter-spacing: -0.03em;
            margin-bottom: var(--space-md);
        }

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

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            border-radius: 2px;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-mint);
            line-height: 1.65;
            max-width: 520px;
            margin-bottom: var(--space-lg);
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--space-lg);
        }

        .hero-point {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-mint);
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-mint);
        }

        .hero-point i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-coupon-wall {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
            justify-content: center;
        }

        .coupon-main {
            background: linear-gradient(145deg, #0F3D24, #092C1B);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-gold), var(--shadow-lg);
            position: relative;
            overflow: hidden;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .coupon-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold-hover), 0 24px 56px rgba(0, 0, 0, 0.5);
        }

        .coupon-main::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .coupon-main::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .coupon-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-red-bright);
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid rgba(211, 47, 47, 0.4);
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: var(--space-sm);
        }

        .coupon-amount {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }

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

        .coupon-desc {
            font-size: 0.88rem;
            color: var(--text-mint-muted);
            margin-bottom: var(--space-md);
        }

        .coupon-divider {
            width: 100%;
            height: 1px;
            border: none;
            border-top: 2px dashed rgba(255, 215, 0, 0.4);
            margin: var(--space-sm) 0 var(--space-md);
        }

        .coupon-main .btn {
            width: 100%;
        }

        .coupon-mini-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .coupon-mini {
            background: rgba(13, 53, 32, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 16px 12px;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-base);
            backdrop-filter: blur(4px);
        }

        .coupon-mini:hover {
            border-color: var(--accent-gold);
            background: rgba(18, 62, 37, 0.95);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }

        .coupon-mini .mini-amount {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent-gold-pale);
            margin-bottom: 2px;
        }

        .coupon-mini .mini-label {
            font-size: 0.72rem;
            color: var(--text-mint-muted);
            font-weight: 500;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: var(--space-2xl) 0;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-deep {
            background: var(--bg-deep);
        }

        .section-header {
            text-align: left;
            margin-bottom: var(--space-xl);
        }

        .section-header .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-gold-pale);
            margin-bottom: var(--space-xs);
        }

        .section-header .eyebrow::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.25;
            max-width: 680px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-mint);
            margin-top: var(--space-sm);
            max-width: 600px;
            line-height: 1.65;
        }

        .section-header.text-center {
            text-align: center;
        }

        .section-header.text-center .eyebrow {
            justify-content: center;
        }
        .section-header.text-center .eyebrow::before {
            display: none;
        }
        .section-header.text-center h2 {
            margin-left: auto;
            margin-right: auto;
        }
        .section-header.text-center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ METRICS BOARD ============ */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .metric-card {
            background: rgba(13, 53, 32, 0.75);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: left;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            opacity: 0.6;
        }

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

        .metric-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: var(--space-sm);
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-gold-pale);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-mint-muted);
            font-weight: 500;
        }

        /* ============ STRATEGY MATRIX ============ */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .strategy-card {
            background: rgba(13, 53, 32, 0.7);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .strategy-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .strategy-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-mint);
        }

        .strategy-body {
            padding: 24px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .strategy-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-gold-pale);
            background: rgba(255, 215, 0, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .strategy-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .strategy-body p {
            font-size: 0.92rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .strategy-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .strategy-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-mint);
            line-height: 1.5;
        }

        .strategy-list li i {
            color: var(--accent-gold);
            font-size: 0.75rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ============ COMPARISON ============ */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
            align-items: stretch;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
        }

        .comparison-card.bad {
            background: rgba(211, 47, 47, 0.08);
            border: 1px solid rgba(211, 47, 47, 0.3);
        }

        .comparison-card.good {
            background: rgba(255, 215, 0, 0.07);
            border: 1px solid var(--border-gold-strong);
            box-shadow: var(--shadow-gold);
        }

        .comparison-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card.bad h3 {
            color: var(--accent-red-bright);
        }

        .comparison-card.good h3 {
            color: var(--accent-gold-pale);
        }

        .comparison-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            line-height: 1.55;
            color: var(--text-mint);
        }

        .comparison-list li i {
            flex-shrink: 0;
            margin-top: 3px;
            font-size: 0.85rem;
        }

        .comparison-card.bad .comparison-list li i {
            color: var(--accent-red-bright);
        }

        .comparison-card.good .comparison-list li i {
            color: var(--accent-gold);
        }

        .comparison-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            padding: 0 8px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: rgba(13, 53, 32, 0.7);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-item.open {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            text-align: left;
            transition: color var(--transition-fast);
            min-height: 52px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-mint);
            line-height: 1.65;
        }

        /* ============ CTA FORM ============ */
        .cta-panel {
            background: linear-gradient(145deg, #0F3D24, #081F14);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
            box-shadow: var(--shadow-lg), var(--shadow-gold);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -15%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.05) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-info h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .cta-info p {
            font-size: 0.95rem;
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .cta-info .cta-note {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-mint-muted);
        }

        .cta-info .cta-note i {
            color: var(--accent-gold);
        }

        .cta-form {
            position: relative;
            z-index: 1;
            background: rgba(7, 31, 19, 0.6);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-mint);
            backdrop-filter: blur(8px);
        }

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

        .form-group label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-mint);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 14px 16px;
            background: var(--bg-input);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-sm);
            color: var(--text-white);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-height: 48px;
        }

        .form-input::placeholder {
            color: var(--text-mint-muted);
            opacity: 0.7;
        }

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

        .form-hint {
            font-size: 0.75rem;
            color: var(--text-mint-muted);
            margin-top: 4px;
        }

        .form-submit-row {
            display: flex;
            gap: 10px;
            margin-top: 8px;
        }

        .form-submit-row .btn {
            flex: 1;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #05170E;
            border-top: 1px solid var(--border-mint);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-mint-muted);
            line-height: 1.65;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-mint);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-mint);
            padding-top: 20px;
        }

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

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-mint);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            padding: 6px 12px;
            border-radius: var(--radius-full);
        }

        .footer-badge i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* ============ FAB ============ */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A1A00, #0D0D00);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-gold);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 2px 6px rgba(255, 215, 0, 0.15);
            opacity: 0.7;
            transition: all var(--transition-base);
            animation: fabBreathe 3s ease-in-out infinite;
            position: fixed;
            min-width: 48px;
            min-height: 48px;
        }

        .fab::before {
            content: '';
            position: absolute;
            top: -3px;
            left: -3px;
            right: -3px;
            bottom: -3px;
            border-radius: 50%;
            border: 2px solid transparent;
            border-top-color: var(--accent-gold-pale);
            animation: fabShimmer 2.5s linear infinite;
            pointer-events: none;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5), inset 0 2px 8px rgba(255, 215, 0, 0.2);
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #1A1A00;
            animation: fabBlink 1.2s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% {
                transform: translateY(0);
                opacity: 0.7;
            }
            50% {
                transform: translateY(-6px);
                opacity: 0.85;
            }
        }

        @keyframes fabShimmer {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        @keyframes fabBlink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --space-2xl: 48px;
                --space-3xl: 56px;
                --space-xl: 36px;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

            .hero {
                padding-top: calc(var(--nav-height) + 24px);
                min-height: auto;
                padding-bottom: 48px;
            }

            .hero h1 {
                font-size: 2.1rem;
            }

            .coupon-main {
                padding: 24px 20px;
            }

            .coupon-amount {
                font-size: 2.2rem;
            }

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

            .strategy-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }

            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .comparison-divider {
                transform: rotate(90deg);
                padding: 0;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: var(--space-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
                --space-lg: 24px;
                --space-xl: 32px;
                --space-2xl: 40px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(7, 31, 19, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-mint);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
                backdrop-filter: blur(16px);
                z-index: 99;
            }

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

            .nav-item {
                padding: 14px 16px;
                font-size: 1rem;
                width: 100%;
                text-align: left;
                border-radius: var(--radius-sm);
            }

            .nav-item.active::after {
                display: none;
            }

            .nav-item.active {
                background: rgba(255, 215, 0, 0.15);
            }

            .mobile-toggle {
                display: flex;
            }

            .header-actions {
                gap: 6px;
            }

            .header-actions .btn-text-only {
                padding: 8px 10px;
                font-size: 0.82rem;
            }

            .header-actions .btn-sm {
                padding: 8px 14px;
                font-size: 0.82rem;
                min-height: 36px;
            }

            .logo {
                font-size: 1rem;
            }
            .logo .logo-sub {
                font-size: 0.55rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }

            .hero h1 {
                font-size: 1.7rem;
            }

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

            .coupon-main {
                padding: 20px 16px;
            }

            .coupon-amount {
                font-size: 1.8rem;
            }

            .coupon-mini-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .coupon-mini:nth-child(3) {
                grid-column: span 2;
            }

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

            .metric-card {
                padding: 18px 14px;
            }

            .metric-value {
                font-size: 1.5rem;
            }

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

            .strategy-img {
                height: 160px;
            }

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

            .cta-panel {
                padding: 24px 18px;
            }

            .cta-info h2 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .fab {
                left: 0.75rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }

            .form-submit-row {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-sm: 10px;
                --space-md: 16px;
                --space-lg: 20px;
                --space-xl: 28px;
            }

            .hero h1 {
                font-size: 1.45rem;
            }

            .hero-points {
                gap: 6px;
            }

            .hero-point {
                font-size: 0.75rem;
                padding: 4px 10px;
            }

            .coupon-main {
                border-radius: var(--radius-lg);
            }

            .coupon-amount {
                font-size: 1.6rem;
            }
            .coupon-title {
                font-size: 1rem;
            }

            .coupon-mini-row {
                grid-template-columns: 1fr;
            }
            .coupon-mini:nth-child(3) {
                grid-column: span 1;
            }

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

            .section-header h2 {
                font-size: 1.3rem;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
                min-height: 50px;
            }

            .cta-panel {
                padding: 20px 14px;
                border-radius: var(--radius-lg);
            }

            .form-input {
                padding: 12px 14px;
                font-size: 0.9rem;
                min-height: 44px;
            }
        }

/* roulang page: category2 */
:root {
            --go88-green: #0A2E1C;
            --go88-green-2: #123E25;
            --go88-green-3: #1B5231;
            --go88-gold: #FFD700;
            --go88-gold-soft: #F0C620;
            --go88-red: #D32F2F;
            --go88-red-bright: #E64A19;
            --go88-white: #FFFFFF;
            --go88-mint: #D1F2EB;
            --go88-mint-dim: #9AC7B8;
            --go88-text: #F0F4F0;
            --go88-muted: #B0C4B8;
            --go88-border: rgba(255, 215, 0, 0.22);
            --go88-border-strong: rgba(255, 215, 0, 0.42);
            --go88-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --go88-shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.18);
            --go88-radius: 16px;
            --go88-radius-sm: 10px;
            --go88-font: 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
            --go88-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        
        body {
            font-family: var(--go88-font);
            background: var(--go88-green);
            color: var(--go88-text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--go88-transition);
        }
        
        a:hover {
            text-decoration: none;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(10, 46, 28, 0.92) 100%);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--go88-border);
            padding: 0;
        }
        
        .navbar-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 20px;
            flex-wrap: wrap;
            padding: 8px 0;
        }
        
        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--go88-gold) 0%, #B8860B 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--go88-green);
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        
        .logo-text {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--go88-gold);
            letter-spacing: 0.01em;
            line-height: 1.2;
            white-space: nowrap;
        }
        
        .logo-text small {
            display: block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--go88-mint-dim);
            letter-spacing: 0.03em;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .nav-item {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--go88-mint);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--go88-transition);
            white-space: nowrap;
        }
        
        .nav-item:hover {
            color: var(--go88-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-item.active {
            color: var(--go88-green);
            background: linear-gradient(135deg, var(--go88-gold) 0%, #E6C200 100%);
            box-shadow: var(--go88-shadow-gold);
            font-weight: 700;
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .btn-login {
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--go88-mint);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--go88-transition);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            border-color: var(--go88-gold);
            color: var(--go88-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .btn-signup {
            padding: 8px 22px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--go88-green);
            background: linear-gradient(135deg, #FFE066 0%, var(--go88-gold) 100%);
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--go88-transition);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.28);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }
        
        .btn-signup:active {
            transform: translateY(0) scale(0.98);
        }
        
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--go88-border);
            color: var(--go88-gold);
            width: 44px;
            height: 44px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            transition: var(--go88-transition);
        }
        
        .nav-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--go88-border-strong);
        }
        
        /* ========== Hero Section ========== */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 70px;
            position: relative;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center;
            background-size: cover;
            position: relative;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.96) 0%, rgba(10, 46, 28, 0.88) 50%, rgba(10, 46, 28, 0.98) 100%);
            pointer-events: none;
        }
        
        .hero-section > * {
            position: relative;
            z-index: 1;
        }
        
        .hero-content-wrap {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--go88-muted);
            margin-bottom: 6px;
        }
        
        .hero-breadcrumb a {
            color: var(--go88-mint-dim);
            transition: var(--go88-transition);
        }
        
        .hero-breadcrumb a:hover {
            color: var(--go88-gold);
        }
        
        .hero-breadcrumb .sep {
            color: var(--go88-gold);
            opacity: 0.6;
        }
        
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--go88-white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        
        .hero-title .gold {
            color: var(--go88-gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
        }
        
        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--go88-mint);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        
        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 22px;
        }
        
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--go88-mint);
            transition: var(--go88-transition);
        }
        
        .hero-icon-item i {
            color: var(--go88-gold);
            font-size: 1rem;
        }
        
        .hero-icon-item:hover {
            border-color: var(--go88-border-strong);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid var(--go88-border);
            border-radius: 12px;
            padding: 14px 20px;
            font-size: 0.88rem;
        }
        
        .status-item {
            display: flex;
            align-items: center;
            gap: 7px;
            color: var(--go88-mint);
        }
        
        .status-item .dot {
            width: 8px;
            height: 8px;
            background: #2ecc71;
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(46, 204, 113, 0.6);
            animation: pulse-dot 2s infinite;
        }
        
        .status-item .dot.red {
            background: var(--go88-red-bright);
            box-shadow: 0 0 8px rgba(230, 74, 25, 0.6);
            animation-delay: 1s;
        }
        
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        
        .status-item strong {
            color: var(--go88-gold);
            font-weight: 700;
        }
        
        /* ========== Common Section Styles ========== */
        .section {
            padding: 70px 0;
            position: relative;
        }
        
        .section-header {
            margin-bottom: 40px;
        }
        
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--go88-white);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        
        .section-header h2 .gold {
            color: var(--go88-gold);
        }
        
        .section-header p {
            font-size: 1rem;
            color: var(--go88-muted);
            max-width: 650px;
            line-height: 1.7;
        }
        
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--go88-border-strong);
            color: var(--go88-gold);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        
        /* ========== Metrics Dashboard ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        .metric-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--go88-border);
            border-radius: var(--go88-radius);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: var(--go88-transition);
            position: relative;
            overflow: hidden;
        }
        
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--go88-gold) 0%, transparent 100%);
            opacity: 0;
            transition: var(--go88-transition);
        }
        
        .metric-card:hover {
            border-color: var(--go88-border-strong);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
            box-shadow: var(--go88-shadow-gold);
        }
        
        .metric-card:hover::before {
            opacity: 1;
        }
        
        .metric-icon {
            font-size: 1.8rem;
            color: var(--go88-gold);
            margin-bottom: 4px;
        }
        
        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--go88-white);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        
        .metric-value .gold {
            color: var(--go88-gold);
        }
        
        .metric-label {
            font-size: 0.88rem;
            color: var(--go88-muted);
            font-weight: 500;
        }
        
        .metric-trend {
            font-size: 0.78rem;
            color: #2ecc71;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        /* ========== Game Review Cards ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        
        .review-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--go88-border);
            border-radius: var(--go88-radius);
            overflow: hidden;
            transition: var(--go88-transition);
            display: flex;
            flex-direction: column;
        }
        
        .review-card:hover {
            border-color: var(--go88-border-strong);
            box-shadow: var(--go88-shadow);
            transform: translateY(-4px);
        }
        
        .review-card-media {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--go88-green-2);
        }
        
        .review-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .review-card:hover .review-card-media img {
            transform: scale(1.08);
        }
        
        .review-card-media .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 46, 28, 0.9) 100%);
        }
        
        .review-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--go88-red-bright);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 6px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        
        .review-tag.gold-tag {
            background: var(--go88-gold);
            color: var(--go88-green);
        }
        
        .review-score {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            border: 1px solid var(--go88-border-strong);
            color: var(--go88-gold);
            font-size: 1.2rem;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: 8px;
            z-index: 2;
        }
        
        .review-score span {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--go88-mint-dim);
        }
        
        .review-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        
        .review-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--go88-white);
            margin: 0;
        }
        
        .review-card-body p {
            font-size: 0.9rem;
            color: var(--go88-muted);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }
        
        .review-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        
        .review-stat {
            font-size: 0.78rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 5px 10px;
            color: var(--go88-mint);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .review-stat i {
            color: var(--go88-gold);
            font-size: 0.7rem;
        }
        
        /* ========== Comparison Section ========== */
        .comparison-wrap {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--go88-border);
            border-radius: var(--go88-radius);
            padding: 28px 24px;
            overflow-x: auto;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
        }
        
        .comparison-table thead th {
            background: linear-gradient(135deg, var(--go88-green-3) 0%, var(--go88-green-2) 100%);
            color: var(--go88-gold);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 14px 16px;
            text-align: left;
            white-space: nowrap;
            border-bottom: 2px solid var(--go88-border-strong);
        }
        
        .comparison-table tbody td {
            padding: 13px 16px;
            font-size: 0.9rem;
            color: var(--go88-mint);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            white-space: nowrap;
        }
        
        .comparison-table tbody tr:hover {
            background: rgba(255, 215, 0, 0.04);
        }
        
        .comparison-table .game-name {
            font-weight: 700;
            color: var(--go88-white);
        }
        
        .comparison-table .high {
            color: #2ecc71;
            font-weight: 600;
        }
        
        .comparison-table .medium {
            color: var(--go88-gold-soft);
            font-weight: 600;
        }
        
        .comparison-table .low {
            color: var(--go88-red-bright);
            font-weight: 600;
        }
        
        /* ========== Review Process ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        
        .process-step {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--go88-border);
            border-radius: var(--go88-radius);
            padding: 24px 20px;
            position: relative;
            transition: var(--go88-transition);
            counter-increment: step;
        }
        
        .process-step:hover {
            border-color: var(--go88-border-strong);
            background: rgba(255, 255, 255, 0.07);
        }
        
        .process-step::before {
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 20px;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--go88-gold) 0%, #B8860B 100%);
            color: var(--go88-green);
            font-weight: 800;
            font-size: 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }
        
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--go88-white);
            margin: 8px 0 6px;
        }
        
        .process-step p {
            font-size: 0.88rem;
            color: var(--go88-muted);
            margin: 0;
            line-height: 1.6;
        }
        
        /* ========== FAQ Section ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        
        .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--go88-border);
            border-radius: var(--go88-radius-sm);
            padding: 18px 22px;
            transition: var(--go88-transition);
            cursor: pointer;
        }
        
        .faq-item:hover {
            border-color: var(--go88-border-strong);
            background: rgba(255, 255, 255, 0.07);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--go88-white);
            margin: 0;
        }
        
        .faq-question .icon {
            color: var(--go88-gold);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        
        .faq-item.open .faq-question .icon {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            font-size: 0.92rem;
            color: var(--go88-muted);
            line-height: 1.65;
            margin-top: 10px;
            display: none;
        }
        
        .faq-item.open .faq-answer {
            display: block;
        }
        
        /* ========== CTA Form Section ========== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: url('/assets/images/backpic/back-3.png') no-repeat center center;
            background-size: cover;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.97) 0%, rgba(10, 46, 28, 0.9) 100%);
            pointer-events: none;
        }
        
        .cta-section > * {
            position: relative;
            z-index: 1;
        }
        
        .cta-box {
            background: rgba(0, 0, 0, 0.45);
            border: 1px solid var(--go88-border-strong);
            border-radius: 20px;
            padding: 40px 36px;
            max-width: 650px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        
        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--go88-white);
            margin-bottom: 12px;
        }
        
        .cta-box h2 .gold {
            color: var(--go88-gold);
        }
        
        .cta-box p {
            font-size: 1rem;
            color: var(--go88-mint);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 1px solid var(--go88-border-strong);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--go88-white);
            font-size: 0.95rem;
            outline: none;
            transition: var(--go88-transition);
        }
        
        .cta-form input::placeholder {
            color: var(--go88-muted);
            opacity: 0.7;
        }
        
        .cta-form input:focus {
            border-color: var(--go88-gold);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
        }
        
        .cta-form button {
            padding: 14px 28px;
            background: linear-gradient(135deg, #FFE066 0%, var(--go88-gold) 100%);
            color: var(--go88-green);
            font-weight: 800;
            font-size: 0.95rem;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--go88-transition);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            white-space: nowrap;
        }
        
        .cta-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }
        
        .cta-form button:active {
            transform: translateY(0) scale(0.98);
        }
        
        .cta-note {
            font-size: 0.8rem;
            color: var(--go88-muted);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .cta-note i {
            color: #2ecc71;
        }
        
        /* ========== Footer ========== */
        .site-footer {
            background: #071F13;
            border-top: 1px solid var(--go88-border);
            padding: 50px 0 24px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--go88-gold);
            margin-bottom: 14px;
        }
        
        .footer-col p {
            font-size: 0.88rem;
            color: var(--go88-muted);
            line-height: 1.7;
            margin: 0;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--go88-muted);
            transition: var(--go88-transition);
        }
        
        .footer-col ul a:hover {
            color: var(--go88-gold);
        }
        
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            font-size: 0.82rem;
            color: var(--go88-muted);
        }
        
        .footer-badges {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 6px;
            padding: 5px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--go88-mint);
        }
        
        .footer-badge i {
            color: var(--go88-gold);
        }
        
        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 950;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #1A1A1A 0%, #0D0D0D 100%);
            border: 2px solid var(--go88-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--go88-transition);
            opacity: 0.75;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        
        .fab-support i {
            font-size: 1.4rem;
            color: var(--go88-gold);
            transition: var(--go88-transition);
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
        }
        
        .fab-support:hover i {
            transform: rotate(360deg);
            transition: transform 0.6s ease;
        }
        
        .fab-support:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--go88-red-bright);
            border: 2px solid #071F13;
            border-radius: 50%;
            animation: notify-blink 1.8s infinite;
        }
        
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }
        
        @keyframes notify-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }
        }
        
        @media (max-width: 768px) {
            .navbar-top {
                flex-wrap: nowrap;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 20px;
                border-bottom: 1px solid var(--go88-border-strong);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                padding: 12px 14px;
                font-size: 0.95rem;
            }
            .nav-auth {
                gap: 6px;
            }
            .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 0.95rem;
            }
            .logo-text small {
                font-size: 0.65rem;
            }
            
            .hero-section {
                padding-top: 110px;
                padding-bottom: 50px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-icon-matrix {
                gap: 8px;
            }
            .hero-icon-item {
                font-size: 0.78rem;
                padding: 8px 10px;
            }
            .hero-status-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 12px 16px;
                font-size: 0.8rem;
            }
            
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 16px 14px;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .review-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 28px 0;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
            .fab-support i {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-icon-matrix {
                flex-direction: column;
                align-items: flex-start;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 10px;
            }
            .metric-icon {
                margin-bottom: 0;
                font-size: 1.4rem;
            }
            .metric-value {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .comparison-wrap {
                padding: 16px 12px;
            }
            .cta-box {
                padding: 22px 16px;
            }
            .logo-text {
                font-size: 0.82rem;
            }
            .logo-text small {
                font-size: 0.58rem;
            }
            .nav-auth .btn-login {
                display: none;
            }
        }