:root {
            --brand-primary: #007BFF;
            --brand-primary-hover: #3395FF;
            --brand-secondary: #C0C0C0;
            --brand-accent: #00F5FF;
            --bg-main: #060B1A;
            --bg-surface: #0D152B;
            --bg-elevated: #16213D;
            --text-primary: #E6EBF5;
            --text-secondary: #B0B8D1;
            --text-muted: #7A86A3;
            --border-default: #1F2D50;
            --border-brand: rgba(0, 245, 255, 0.4);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --grad-brand: linear-gradient(135deg, #007BFF 0%, #00F5FF 100%);
            --grad-hero: radial-gradient(circle at top right, #16213D 0%, #060B1A 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;
            color: var(--text-primary);
            background-color: var(--bg-main);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }

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

        .glass-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.2s, background 0.2s;
            cursor: pointer;
            border: none;
        }

        .btn-primary { background: var(--grad-brand); color: var(--bg-main); }
        .btn-primary:hover { transform: translateY(-2px); background: var(--brand-accent); }
        .btn-outline { border: 1px solid var(--brand-primary); color: var(--text-primary); }
        .btn-outline:hover { background: rgba(0, 123, 255, 0.1); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            max-width: 1200px;
            margin: 0 auto;
        }

        .header-logo-link { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--text-primary); }
        .header-logo-link strong { font-size: 16px; font-weight: 400; }

        .header-actions { display: flex; gap: 12px; }

        main { max-width: 1200px; margin: 0 auto; }

        .hero-section {
            text-align: center;
            padding: 40px 0;
            background: var(--grad-hero);
            border-radius: var(--radius-lg);
            margin-bottom: 24px;
        }

        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 16px; color: var(--text-primary); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; margin-bottom: 1.5rem; color: var(--text-primary); }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 12px; color: var(--text-primary); }

        .hero-intro { font-size: 1.1rem; color: var(--text-secondary); max-width: 800px; margin: 0 auto 24px; padding-inline: 16px; }
        .hero-cta-full { display: block; width: 100%; max-width: 400px; margin: 0 auto 24px; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
        .hero-tag { background: var(--bg-elevated); color: var(--brand-accent); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--border-brand); }

        .banner-link { display: block; margin-bottom: 24px; border-radius: var(--radius-md); overflow: hidden; }
        .banner-link img { aspect-ratio: 2 / 1; width: 100%; object-fit: cover; }

        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 32px; }
        .category-tile {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 20px;
            text-decoration: none;
            color: var(--text-primary);
            transition: background 0.3s;
        }
        .category-tile i { font-size: 2rem; margin-bottom: 12px; color: var(--brand-accent); }
        .category-tile strong { display: block; margin-bottom: 6px; font-size: 1.1rem; }
        .category-tile span { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.4; }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .game-card { text-decoration: none; color: inherit; transition: transform 0.2s; }
        .game-card:hover { transform: scale(1.03); }
        .game-card img { aspect-ratio: 1 / 1; border-radius: var(--radius-md); object-fit: cover; margin-bottom: 8px; }
        .game-card h3 { font-size: 1rem; text-align: center; margin: 8px 0; }

        .facts-container { margin-bottom: 32px; }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
        .facts-table { width: 100%; border-collapse: collapse; background: var(--bg-surface); border-radius: var(--radius-md); overflow: hidden; }
        .facts-table td { padding: 12px 16px; border-bottom: 1px solid var(--border-default); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .terms-link { display: block; text-align: center; margin-top: 12px; color: var(--text-muted); font-size: 0.85rem; text-decoration: none; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            scrollbar-width: none;
            margin-bottom: 32px;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            padding: 8px 16px;
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-pill);
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .toc-link:hover { border-color: var(--brand-accent); color: var(--brand-accent); }

        .promo-grid { display: grid; gap: 20px; }
        .promo-card { padding: 24px; display: flex; flex-direction: column; }
        .promo-card h3 { margin-top: 0; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; }

        .usp-grid { display: grid; gap: 16px; }
        .usp-tile { display: flex; align-items: center; gap: 16px; padding: 20px; }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); width: 30px; text-align: center; }
        .usp-content strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .payment-card { padding: 16px; text-align: center; display: flex; flex-direction: column; align-items: center; }
        .payment-card i { font-size: 1.8rem; margin-bottom: 12px; color: var(--text-primary); }
        .payment-card strong { display: block; margin-bottom: 8px; font-size: 0.95rem; }
        .payment-card p { font-size: 0.8rem; color: var(--text-secondary); margin: 0; }

        .guide-steps { display: grid; gap: 20px; }
        .step-item { display: flex; gap: 16px; align-items: flex-start; }
        .step-badge {
            min-width: 36px;
            height: 36px;
            background: var(--grad-brand);
            color: var(--bg-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .step-content h3 { margin: 0 0 8px 0; }
        .step-content h3 a { color: inherit; text-decoration: none; }

        .download-section { padding: 32px; text-align: center; background: var(--bg-elevated); border-radius: var(--radius-lg); }
        .download-text { margin-bottom: 24px; color: var(--text-secondary); }

        .player-guides { display: grid; gap: 24px; }
        .guide-card { padding: 0; }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; }

        .announcement-grid { display: grid; gap: 16px; }
        .announcement-card { display: flex; gap: 16px; padding: 16px; align-items: flex-start; }
        .announcement-card i { color: var(--brand-accent); font-size: 1.2rem; margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); margin-top: 8px; }

        .faq-container { display: grid; gap: 12px; }
        .faq-item { border: 1px solid var(--border-default); border-radius: var(--radius-md); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; }
        .faq-item p { padding: 0 16px 16px; color: var(--text-secondary); font-size: 0.95rem; margin: 0; }

        .trust-statement { padding: 32px; background: var(--bg-surface); border-radius: var(--radius-lg); margin-bottom: 32px; }
        .team-card { margin-top: 24px; padding: 20px; border-top: 1px solid var(--border-default); }

        .security-section { padding: 32px; border: 1px solid var(--border-brand); border-radius: var(--radius-lg); background: rgba(0, 123, 255, 0.05); }
        .external-links { display: flex; gap: 16px; margin: 20px 0; }
        .external-links a { color: var(--brand-accent); text-decoration: none; font-size: 0.9rem; }

        footer {
            margin-top: 48px;
            padding: 40px 0;
            border-top: 1px solid var(--border-default);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 32px;
            text-align: left;
        }
        .footer-sitemap a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
        .footer-contact { margin-bottom: 24px; color: var(--text-secondary); }
        .footer-contact a { color: var(--brand-accent); text-decoration: none; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-default);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 0.75rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }

        .utility-link { color: var(--brand-accent); text-decoration: none; font-weight: 500; }

        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; margin-bottom: 40px; }

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

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }