:root {
            --brand-primary: #0D4234;
            --brand-primary-hover: #145B47;
            --brand-secondary: #D4AF37;
            --brand-secondary-hover: #E5C158;
            --brand-accent: #FFD300;
            --bg-main: #051C16;
            --bg-surface: #0A261E;
            --bg-elevated: #103127;
            --bg-overlay: rgba(5, 28, 22, 0.8);
            --text-primary: #F2F5F2;
            --text-secondary: #BCC6B9;
            --text-muted: #8A9688;
            --text-brand: #D4AF37;
            --text-link: #D4AF37;
            --text-link-hover: #FFD300;
            --btn-bg: #D4AF37;
            --btn-text: #051C16;
            --btn-hover-bg: #FFD300;
            --border-default: #1A3D33;
            --border-strong: #265244;
            --border-brand: #D4AF37;
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-pill: 9999px;
            --shadow-card: 0 10px 20px rgba(0, 0, 0, 0.3);
            --shadow-elevated: 0 20px 40px rgba(0, 0, 0, 0.4);
            --grad-brand: linear-gradient(135deg, #D4AF37 0%, #B8860B 100%);
            --grad-hero: radial-gradient(circle at center, #0D4234 0%, #051C16 100%);
            --grad-btn: linear-gradient(to bottom, #E5C158 0%, #D4AF37 100%);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            background-color: var(--bg-main);
            color: var(--text-primary);
            overflow-x: hidden;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 15px;
            max-width: 1200px;
            margin-inline: auto;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: var(--text-primary);
        }

        .header-brand-name {
            font-size: 16px;
            font-weight: normal;
        }

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

        .btn-nav {
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: background 0.3s, color 0.3s;
        }

        .btn-login {
            color: var(--text-primary);
            border: 1px solid var(--border-brand);
        }

        .btn-register {
            background: var(--grad-btn);
            color: var(--btn-text);
        }

        .btn-register:hover { background: var(--btn-hover-bg); }

        main {
            max-width: 1200px;
            margin-inline: auto;
        }

        h1, h2, h3 {
            font-family: 'Playfair Display', serif;
            color: var(--text-primary);
            margin-top: 0;
            letter-spacing: 0.02em;
        }

        h1 {
            font-size: clamp(1.6rem, 6.5vw, 2.75rem);
            line-height: 1.2;
            margin-bottom: 20px;
            text-align: center;
        }

        h2 {
            font-size: clamp(1.3rem, 5.2vw, 2.25rem);
            line-height: 1.25;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        h3 {
            font-size: clamp(1.05rem, 4.2vw, 1.75rem);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .hero-section {
            padding-block: 40px 20px;
            background: var(--grad-hero);
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 30px;
        }

        .hero-intro {
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--text-secondary);
        }

        .cta-main {
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 0 auto 25px;
            padding: 16px 32px;
            background: var(--grad-btn);
            color: var(--btn-text);
            text-decoration: none;
            font-weight: 700;
            border-radius: var(--radius-pill);
            font-size: 1.2rem;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s;
        }

        .cta-main:hover { transform: scale(1.02); }

        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-tag {
            background: var(--bg-elevated);
            border: 1px solid var(--border-strong);
            color: var(--text-secondary);
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
        }

        .banner-link {
            display: block;
            margin-bottom: 40px;
            line-height: 0;
        }

        .banner-img {
            width: 100%;
            aspect-ratio: 2 / 1;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }

        .cat-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 20px;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--text-primary);
            text-align: center;
            transition: border-color 0.3s;
        }

        .cat-tile:hover { border-color: var(--brand-secondary); }

        .cat-tile i {
            font-size: 2rem;
            color: var(--brand-secondary);
            margin-bottom: 10px;
            display: block;
        }

        .cat-title {
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .cat-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: block;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }

        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--text-primary);
            overflow: hidden;
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid var(--border-default);
        }

        .game-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            border-color: var(--brand-secondary);
        }

        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
        }

        .game-info {
            padding: 12px;
            text-align: center;
        }

        .game-info h3 {
            font-size: 1rem;
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
        }

        .facts-container {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
            margin-bottom: 40px;
        }

        .freshness-notice {
            text-align: center;
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
            display: block;
        }

        .facts-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 15px;
        }

        .facts-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-default);
        }

        .facts-label {
            font-weight: 600;
            color: var(--text-secondary);
            width: 40%;
        }

        .facts-value {
            color: var(--text-primary);
        }

        .terms-link-wrap {
            text-align: center;
            font-size: 0.85rem;
        }

        .terms-link {
            color: var(--text-link);
            text-decoration: none;
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding-block: 20px;
            margin-bottom: 40px;
            scrollbar-width: none;
        }

        .toc-nav::-webkit-scrollbar { display: none; }

        .toc-link {
            background: var(--bg-elevated);
            color: var(--text-primary);
            text-decoration: none;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--border-strong);
        }

        .promo-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 25px;
            margin-bottom: 20px;
            border-left: 5px solid var(--brand-secondary);
            box-shadow: var(--shadow-card);
        }

        .promo-btn {
            display: inline-block;
            padding: 10px 20px;
            background: var(--grad-brand);
            color: var(--btn-text);
            text-decoration: none;
            font-weight: 600;
            border-radius: var(--radius-sm);
            margin-top: 15px;
        }

        .usp-bar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-bottom: 40px;
        }

        .usp-item {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: var(--radius-md);
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .usp-item i {
            font-size: 1.5rem;
            color: var(--brand-accent);
        }

        .usp-text strong {
            display: block;
            margin-bottom: 5px;
            font-size: 1.1rem;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }

        .pay-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid var(--border-default);
        }

        .pay-card i {
            font-size: 2rem;
            color: var(--brand-secondary);
            margin-bottom: 10px;
            display: block;
        }

        .pay-card strong {
            display: block;
            margin-bottom: 8px;
        }

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

        .step-list {
            margin-bottom: 40px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
            align-items: flex-start;
        }

        .step-num {
            background: var(--grad-brand);
            color: var(--btn-text);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .step-content h3 a {
            color: inherit;
            text-decoration: none;
        }

        .mobile-section {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-bottom: 40px;
        }

        .btn-download {
            display: inline-block;
            padding: 15px 30px;
            background: var(--grad-btn);
            color: var(--btn-text);
            text-decoration: none;
            font-weight: 700;
            border-radius: var(--radius-pill);
            margin-top: 20px;
        }

        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            border: 1px solid var(--border-default);
        }

        .guide-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .announcement-list {
            margin-bottom: 40px;
        }

        .ann-item {
            display: flex;
            gap: 15px;
            padding: 15px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 15px;
            border: 1px solid var(--border-default);
        }

        .ann-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 5px;
            display: block;
        }

        .faq-item {
            margin-bottom: 15px;
        }

        .faq-item summary {
            cursor: pointer;
            background: var(--bg-elevated);
            padding: 15px;
            border-radius: var(--radius-md);
            list-style: none;
            border: 1px solid var(--border-strong);
        }

        .faq-item summary h3 {
            margin: 0;
            font-size: 1.1rem;
            font-family: 'Be Vietnam Pro', sans-serif;
        }

        .faq-answer {
            padding: 15px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .about-text {
            text-align: justify;
            margin-bottom: 30px;
        }

        .team-card {
            background: var(--bg-elevated);
            padding: 25px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-secondary);
        }

        .security-section {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            margin-bottom: 40px;
        }

        .rg-links {
            display: flex;
            gap: 20px;
            margin: 20px 0;
            flex-wrap: wrap;
        }

        .rg-link {
            color: var(--text-link);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px solid var(--text-link);
        }

        footer {
            background: var(--bg-surface);
            padding: 40px 14px;
            margin-top: 60px;
            border-top: 2px solid var(--border-strong);
        }

        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 1200px;
            margin: 0 auto 30px;
        }

        .footer-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
        }

        .footer-contact {
            text-align: center;
            margin-bottom: 20px;
            color: var(--text-secondary);
        }

        .footer-contact a { color: var(--text-link); text-decoration: none; }

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

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-strong);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }

        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 0.75rem;
            gap: 4px;
        }

        .nav-item i { font-size: 1.2rem; }

        .utility-link {
            display: block;
            text-align: center;
            margin-top: 10px;
            color: var(--text-link);
            text-decoration: none;
            font-size: 0.9rem;
        }

        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .cat-grid { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { grid-template-columns: repeat(3, 1fr); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
        }