:root {
            --brand-primary: #D4AF37;
            --brand-primary-hover: #FFD700;
            --brand-secondary: #B8860B;
            --brand-secondary-hover: #DAA520;
            --brand-accent: #FF4500;
            --bg-main: #0A0A0A;
            --bg-surface: #1A1A1A;
            --bg-elevated: #2D2D2D;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #E0E0E0;
            --text-muted: #A0A0A0;
            --text-brand-contrast: #000000;
            --text-link: #D4AF37;
            --text-link-hover: #FFD700;
            --btn-bg: #D4AF37;
            --btn-text: #000000;
            --btn-bg-hover: #FFD700;
            --btn-text-hover: #000000;
            --border-default: #333333;
            --border-strong: #444444;
            --border-brand: #B8860B;
            --semantic-success: #2ECC71;
            --semantic-error: #E74C3C;
            --semantic-warning: #F1C40F;
            --semantic-info: #3498DB;
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Inter', 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));
            overflow-x: hidden;
            background-color: var(--bg-main);
            color: var(--text-primary);
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 12px;
            border-bottom: 1px solid var(--border-default);
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--bg-main);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
        .header-brand strong { font-size: 16px; font-weight: normal; }
        .header-actions { display: flex; gap: 8px; }
        .btn-header {
            min-height: 44px;
            padding: 8px 16px;
            border-radius: 8px;
            border: 1px solid var(--brand-primary);
            background: transparent;
            color: var(--brand-primary);
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-header.primary { background: var(--btn-bg); color: var(--btn-text); }
        .btn-header.primary:hover { background: var(--btn-bg-hover); }
        .btn-header:hover { border-color: var(--brand-primary-hover); color: var(--brand-primary-hover); }

        main { width: 100%; }
        h1, h2, h3 { font-family: 'Montserrat', sans-serif; letter-spacing: -0.02em; line-height: 1.2; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-block: 1rem 0.5rem; color: var(--brand-primary); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2rem; margin-bottom: 1rem; border-left: 4px solid var(--brand-primary); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-block: 0.5rem 0; }

        .hero { text-align: center; }
        .hero-banner { display: block; width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 16px; }
        .hero-intro { margin-block: 1rem; color: var(--text-secondary); }
        .cta-full {
            display: block;
            width: 100%;
            min-height: 48px;
            background: var(--btn-bg);
            color: var(--btn-text);
            text-decoration: none;
            font-weight: 700;
            text-align: center;
            border-radius: 12px;
            padding: 12px;
            transition: transform 0.2s ease;
        }
        .cta-full:hover { transform: scale(1.02); background: var(--btn-bg-hover); }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1rem;
        }
        .game-card {
            text-decoration: none;
            color: inherit;
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease;
            border: 1px solid var(--border-default);
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--brand-primary); }
        .game-card img { aspect-ratio: 1/1; width: 100%; object-fit: cover; }
        .game-card h3 { padding: 8px; font-size: 14px; text-align: center; }

        .fact-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            margin-block: 1rem;
        }
        .fact-table td { padding: 12px; border-bottom: 1px solid var(--border-default); }
        .fact-table td:first-child { font-weight: 600; color: var(--brand-primary); width: 40%; }
        .freshness-notice { font-style: italic; font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding-block: 1rem;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            padding: 8px 16px;
            background: var(--bg-elevated);
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 20px;
            font-size: 14px;
            border: 1px solid var(--border-default);
        }
        .toc-link:hover { background: var(--brand-primary); color: var(--btn-text); }

        .announcement-item {
            display: flex;
            gap: 12px;
            padding: 16px;
            background: var(--bg-surface);
            border-radius: 12px;
            margin-bottom: 12px;
            border-left: 4px solid var(--brand-primary);
        }
        .announcement-item i { color: var(--brand-primary); font-size: 20px; margin-top: 4px; }
        .announcement-date { font-size: 12px; color: var(--text-muted); display: block; margin-top: 8px; }

        .category-hub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1rem;
        }
        .category-tile {
            text-decoration: none;
            color: inherit;
            background: var(--bg-surface);
            padding: 16px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-default);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .category-tile i { font-size: 24px; color: var(--brand-primary); }
        .category-tile span { font-weight: 600; display: block; }
        .category-tile p { font-size: 12px; color: var(--text-muted); margin: 0; }

        .usp-bar { display: flex; flex-direction: column; gap: 12px; margin-block: 1rem; }
        .usp-card {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-surface);
            border-radius: 12px;
            align-items: flex-start;
        }
        .usp-card i { font-size: 24px; color: var(--brand-primary); }
        .usp-card h3 { margin-bottom: 4px; font-size: 16px; }
        .usp-card p { margin: 0; font-size: 14px; color: var(--text-secondary); }

        .promo-card {
            background: var(--bg-surface);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 16px;
            border: 1px solid var(--border-brand);
        }
        .promo-btn {
            display: inline-block;
            padding: 10px 20px;
            background: var(--brand-primary);
            color: var(--btn-text);
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            margin-top: 12px;
        }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1rem;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 16px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-default);
        }
        .payment-card i { font-size: 32px; color: var(--brand-primary); margin-bottom: 10px; display: block; }
        .payment-card p { font-size: 12px; color: var(--text-muted); margin: 8px 0 0; }

        .guide-step {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-surface);
            border-radius: 16px;
            margin-bottom: 16px;
            align-items: center;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--brand-primary);
            color: var(--btn-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .article-card {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            padding: 12px;
            border-radius: 12px;
            text-decoration: none;
            color: inherit;
            margin-bottom: 12px;
            border: 1px solid var(--border-default);
        }
        .article-card img { width: 100px; aspect-ratio: 4/3; object-fit: cover; border-radius: 8px; }
        .article-card h3 { font-size: 16px; margin: 0; }
        .article-card p { font-size: 13px; color: var(--text-muted); margin: 4px 0 0; }

        .vip-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 1rem;
        }
        .vip-card {
            padding: 16px;
            background: var(--bg-surface);
            border-radius: 12px;
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .vip-card h3 { color: var(--brand-primary); }

        .faq-item { background: var(--bg-surface); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
        .faq-item summary { padding: 16px; cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary::after { content: ' \f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--brand-primary); }
        .faq-item p { padding: 0 16px 16px; margin: 0; color: var(--text-secondary); }

        .team-card {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: 16px;
            margin-top: 20px;
            border: 1px dashed var(--brand-primary);
        }

        footer {
            background: var(--bg-surface);
            padding: 32px 14px;
            margin-top: 40px;
            border-top: 1px solid var(--border-default);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            text-align: left;
            margin-bottom: 24px;
        }
        .footer-sitemap a { color: var(--text-muted); text-decoration: none; font-size: 14px; }
        .footer-sitemap a:hover { color: var(--brand-primary); }
        .legal-text { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-block: 12px;
            padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
            border-top: 1px solid var(--border-default);
            z-index: 2000;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 11px;
            gap: 4px;
        }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--brand-primary); }

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

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .category-hub { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .vip-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-bar { flex-direction: row; flex-wrap: wrap; }
            .usp-card { width: calc(50% - 6px); }
            .navigator { display: none; }
            .footer-sitemap { grid-template-columns: repeat(4, 1fr); }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .usp-card { width: calc(25% - 12px); }
        }