:root {
            --brand-primary: #0A2540;
            --brand-primary-hover: #133A63;
            --brand-secondary: #C0C0C5;
            --brand-secondary-hover: #E0E0E5;
            --brand-accent: #00F5FF;
            --bg-main: #050D1A;
            --bg-surface: #0B172B;
            --bg-elevated: #12213D;
            --bg-overlay: rgba(5, 13, 26, 0.8);
            --text-primary: #E6EEF5;
            --text-secondary: #A0B0C5;
            --text-muted: #6B7B95;
            --text-brand-contrast: #050D1A;
            --text-link: #00F5FF;
            --text-link-hover: #70FFFF;
            --btn-bg: #00F5FF;
            --btn-text: #050D1A;
            --btn-hover-bg: #70FFFF;
            --btn-hover-text: #050D1A;
            --border-default: #1C2E4A;
            --border-strong: #2D456B;
            --border-brand: #00F5FF;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.5);
            --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.7);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.4);
            --grad-brand: linear-gradient(135deg, #0A2540 0%, #00F5FF 100%);
            --grad-hero: linear-gradient(180deg, #0B172B 0%, #050D1A 100%);
            --grad-btn: linear-gradient(to bottom, #00F5FF 0%, #00D1DC 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));
            overflow-x: hidden;
            background-color: var(--bg-main);
            color: var(--text-primary);
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--text-link-hover); }

        .btn, .cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
            text-align: center;
            font-family: 'Be Vietnam Pro', sans-serif;
        }
        .btn-primary { background: var(--grad-btn); color: var(--btn-text); }
        .btn-primary:hover { background: var(--btn-hover-bg); color: var(--btn-hover-text); box-shadow: var(--shadow-glow); }
        .btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-strong); }
        .btn-secondary:hover { background: var(--border-strong); }

        h1, h2, h3 { font-family: 'Barlow Condensed', sans-serif; letter-spacing: -0.02em; color: var(--text-primary); margin: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; margin-bottom: 1.2rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.5rem; }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-main);
        }
        .header-logo-link { display: flex; align-items: center; gap: 8px; }
        .header-logo-link strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 10px; }

        main { width: 100%; }

        .hero-section {
            padding: 40px 0;
            text-align: center;
            background: var(--grad-hero);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        .hero-intro-text { margin-bottom: 24px; color: var(--text-secondary); }
        .hero-cta-wrap { margin-bottom: 20px; }
        .hero-cta-wrap .btn-primary { width: 100%; font-size: 1.2rem; }
        .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
        .hero-tag {
            background: var(--bg-elevated);
            color: var(--brand-accent);
            border: 1px solid var(--border-brand);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
        }

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

        .category-hub {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 24px 0;
        }
        .category-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 16px;
            border-radius: var(--radius-lg);
            text-align: center;
            transition: transform 0.2s ease, border-color 0.2s ease;
        }
        .category-tile:hover { transform: translateY(-4px); border-color: var(--brand-accent); }
        .category-tile i { font-size: 1.5rem; color: var(--brand-accent); margin-bottom: 8px; }
        .category-tile strong { display: block; font-size: 1rem; margin-bottom: 4px; color: var(--text-primary); }
        .category-tile span { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            text-decoration: none;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
        .game-card:hover { border-color: var(--brand-accent); }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 1rem; text-align: center; color: var(--text-primary); }

        .facts-container {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-default);
            margin-bottom: 24px;
        }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table tr { border-bottom: 1px solid var(--border-default); }
        .facts-table td { padding: 12px 8px; font-size: 0.9rem; }
        .facts-label { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .facts-value { color: var(--text-primary); text-align: right; }
        .facts-terms-link { display: block; text-align: center; margin-top: 12px; font-size: 0.8rem; color: var(--text-muted); }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.85rem;
            border: 1px solid var(--border-strong);
        }
        .toc-link:hover { color: var(--brand-accent); border-color: var(--brand-accent); }

        .promo-stack { display: grid; gap: 16px; margin-bottom: 32px; }
        .promo-card {
            background: var(--bg-surface);
            border-left: 4px solid var(--brand-accent);
            padding: 20px;
            border-radius: var(--radius-lg);
            border-top: 1px solid var(--border-default);
            border-right: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
        }
        .promo-card h3 { margin-bottom: 12px; color: var(--brand-accent); }
        .promo-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 16px; }

        .usp-bar {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 32px;
        }
        .usp-tile {
            background: var(--bg-elevated);
            padding: 16px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            border: 1px solid var(--border-default);
        }
        .usp-tile i { color: var(--brand-accent); font-size: 1.2rem; margin-top: 4px; }
        .usp-content strong { display: block; font-size: 1rem; margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.85rem; color: var(--text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .payment-card {
            background: var(--bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .payment-card i { font-size: 1.5rem; color: var(--brand-accent); margin-bottom: 8px; }
        .payment-card strong { display: block; margin-bottom: 8px; font-size: 0.95rem; }
        .payment-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; line-height: 1.4; }

        .guide-steps { display: grid; gap: 20px; margin-bottom: 32px; }
        .guide-step {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .step-number {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--brand-accent);
            color: var(--btn-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .step-content h3 { margin-bottom: 8px; }
        .step-content h3 a { color: inherit; }
        .step-content p { margin: 0; color: var(--text-secondary); font-size: 0.9rem; }

        .mobile-access {
            background: var(--bg-elevated);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
            text-align: center;
            margin-bottom: 32px;
        }
        .mobile-access p { color: var(--text-secondary); margin-bottom: 20px; }

        .player-guide { display: grid; gap: 16px; margin-bottom: 32px; }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .guide-item .meta-info { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }

        .announcement-list { display: grid; gap: 16px; margin-bottom: 32px; }
        .announcement-item {
            background: var(--bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            display: flex;
            gap: 16px;
        }
        .announcement-item i { color: var(--brand-accent); font-size: 1.2rem; }
        .announcement-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .announcement-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 8px; }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); }

        .faq-container { display: grid; gap: 12px; margin-bottom: 32px; }
        .faq-item { background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; }
        .faq-item summary h3 { margin: 0; font-size: 1rem; color: var(--text-primary); }
        .faq-item p { padding: 0 16px 16px 16px; color: var(--text-secondary); font-size: 0.9rem; margin: 0; }

        .about-section {
            background: var(--bg-surface);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            margin-bottom: 32px;
        }
        .team-card {
            margin-top: 24px;
            padding: 20px;
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
        }
        .team-card h3 { color: var(--brand-accent); margin-bottom: 12px; }
        .team-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0; }

        .security-section {
            padding: 24px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            margin-bottom: 32px;
        }
        .security-list { display: grid; gap: 12px; margin: 16px 0; }
        .security-item { display: flex; gap: 10px; font-size: 0.9rem; color: var(--text-secondary); }
        .security-item i { color: var(--brand-accent); }
        .rg-links { display: flex; gap: 16px; margin: 16px 0; }
        .rg-link { font-size: 0.85rem; font-weight: 600; }

        footer {
            padding: 40px 0 80px 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: center;
        }
        .footer-sitemap a { font-size: 0.85rem; color: var(--text-secondary); }
        .footer-contact { margin-bottom: 24px; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-strong);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--text-secondary);
            font-size: 0.75rem;
            text-decoration: none;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }

        .util-link { text-align: center; display: block; font-size: 0.85rem; margin-top: 16px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .category-hub { 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(2, 1fr); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .category-hub { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
            .usp-bar { grid-template-columns: repeat(4, 1fr); }
        }

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