:root {
            --brand-primary: #1A2B4C;
            --brand-primary-hover: #243B66;
            --brand-secondary: #C0C0C8;
            --brand-secondary-hover: #D1D1DA;
            --brand-accent: #00F5FF;
            --bg-main: #050B1A;
            --bg-surface: #0C162D;
            --bg-elevated: #142141;
            --bg-overlay: rgba(5, 11, 26, 0.8);
            --text-primary: #E6EBF5;
            --text-secondary: #B0B9CC;
            --text-muted: #7A869A;
            --text-brand-contrast: #050B1A;
            --text-link: #00F5FF;
            --text-link-hover: #70F8FF;
            --btn-bg: #00F5FF;
            --btn-text: #050B1A;
            --btn-bg-hover: #70F8FF;
            --btn-text-hover: #050B1A;
            --semantic-success: #00E676;
            --semantic-error: #FF5252;
            --semantic-warning: #FFD740;
            --semantic-info: #40C4FF;
            --border-default: #1E2D52;
            --border-strong: #2D3F70;
            --border-brand: #00F5FF;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 0 #000000;
            --shadow-elevated: 0 8px 16px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 15px rgba(0, 245, 255, 0.4);
            --grad-brand: linear-gradient(135deg, #1A2B4C 0%, #050B1A 100%);
            --grad-hero: linear-gradient(180deg, rgba(0, 245, 255, 0.15) 0%, rgba(5, 11, 26, 0) 100%);
            --grad-button: linear-gradient(to bottom, #00F5FF 0%, #00D1DB 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;
            border: none;
            text-align: center;
            transition: transform 0.1s ease, filter 0.2s ease;
            text-decoration: none;
        }
        .cta-primary {
            background: var(--grad-button);
            color: var(--btn-text);
            box-shadow: var(--shadow-glow);
        }
        .cta-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
        .cta-secondary {
            background-color: var(--bg-elevated);
            color: var(--text-primary);
            border: 1px solid var(--border-brand);
        }
        .cta-secondary:hover { background-color: var(--border-strong); }

        h1, h2, h3 {
            font-family: 'Barlow Condensed', sans-serif;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-top: 0;
        }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2.5rem; margin-bottom: 1.25rem; border-left: 4px solid var(--brand-accent); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.75rem; }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-default);
            margin-bottom: 20px;
        }
        .header-logo { display: flex; align-items: center; gap: 8px; }
        .header-logo strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-actions { display: flex; gap: 10px; }

        .hero-section {
            padding: 20px 0;
            background: var(--grad-hero);
            text-align: center;
        }
        .hero-intro-text { color: var(--text-secondary); margin-bottom: 24px; }
        .hero-pill-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
        .hero-pill {
            background: var(--bg-surface);
            border: 1px solid var(--border-strong);
            color: var(--text-secondary);
            font-size: 0.85rem;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .banner-wrapper { margin: 20px 0; line-height: 0; }
        .banner-wrapper img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: var(--radius-lg); }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 30px;
        }
        .category-tile {
            background: var(--bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            transition: border-color 0.2s ease;
        }
        .category-tile:hover { border-color: var(--brand-accent); }
        .category-tile i { font-size: 1.5rem; color: var(--brand-accent); }
        .category-tile strong { display: block; color: var(--text-primary); }
        .category-tile span { font-size: 0.8rem; color: var(--text-muted); }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s ease;
            box-shadow: var(--shadow-card);
        }
        .game-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 {
            padding: 12px;
            margin: 0;
            font-size: 1rem;
            text-align: center;
            color: var(--text-primary);
        }

        .fact-container {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
            padding: 20px;
            margin-bottom: 20px;
        }
        .freshness-notice {
            font-style: italic;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 15px;
            display: block;
        }
        .fact-table {
            width: 100%;
            border-collapse: collapse;
        }
        .fact-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-default);
            font-size: 0.95rem;
        }
        .fact-table td:first-child {
            color: var(--text-secondary);
            width: 40%;
            font-weight: 500;
        }
        .fact-table td:last-child { color: var(--text-primary); }
        .fact-footer {
            margin-top: 12px;
            font-size: 0.85rem;
            text-align: center;
        }
        .fact-footer a { color: var(--text-muted); text-decoration: underline; }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-bottom: 10px;
            margin-bottom: 30px;
            scrollbar-width: 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: 0.9rem;
            border: 1px solid var(--border-default);
        }
        .toc-link:hover { color: var(--brand-accent); border-color: var(--brand-accent); }

        .promo-stack { display: flex; flex-direction: column; gap: 16px; }
        .promo-card {
            background: var(--bg-surface);
            border: 2px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 20px;
            position: relative;
        }
        .promo-card h3 { color: var(--brand-accent); }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; }

        .usp-grid { display: flex; flex-direction: column; gap: 16px; }
        .usp-tile {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 15px;
            align-items: flex-start;
            border-left: 4px solid var(--brand-accent);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); margin-top: 4px; }
        .usp-tile strong { display: block; font-size: 1.1rem; color: var(--text-primary); }
        .usp-tile p { margin: 4px 0 0; color: var(--text-secondary); font-size: 0.9rem; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .pay-card {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .pay-card i { font-size: 1.8rem; color: var(--brand-accent); margin-bottom: 10px; }
        .pay-card strong { display: block; margin-bottom: 8px; color: var(--text-primary); }
        .pay-card p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .guide-steps { display: flex; flex-direction: column; gap: 20px; }
        .step-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .step-num {
            background: var(--brand-accent);
            color: var(--bg-main);
            width: 32px;
            height: 32px;
            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; }

        .download-box {
            background: var(--bg-surface);
            padding: 30px 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-strong);
        }
        .download-box p { margin-bottom: 20px; color: var(--text-secondary); }

        .player-guides { display: flex; flex-direction: column; gap: 20px; }
        .guide-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .guide-card .meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; display: block; }

        .announcement-list { display: flex; flex-direction: column; gap: 15px; }
        .announcement-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            display: flex;
            gap: 12px;
        }
        .announcement-item i { color: var(--brand-accent); margin-top: 4px; }
        .announcement-body h3 { font-size: 1.1rem; margin-bottom: 5px; }
        .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: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3::after { content: '\f054'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.8rem; }
        .faq-answer { padding: 0 15px 15px; color: var(--text-secondary); font-size: 0.95rem; }

        .about-section { background: var(--bg-surface); padding: 30px 20px; border-radius: var(--radius-lg); margin-bottom: 30px; }
        .team-card {
            margin-top: 20px;
            padding: 20px;
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-brand);
        }
        .team-card h3 { font-size: 1.2rem; color: var(--brand-accent); margin-bottom: 10px; }
        .team-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 10px; }

        .security-section {
            padding: 20px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
        }
        .security-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 20px; }
        .security-item { display: flex; gap: 10px; align-items: center; color: var(--text-secondary); font-size: 0.95rem; }
        .security-item i { color: var(--semantic-success); }
        .ext-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
        .ext-link { background: var(--bg-elevated); padding: 8px 12px; border-radius: var(--radius-md); font-size: 0.85rem; border: 1px solid var(--border-default); }

        footer {
            margin-top: 40px;
            padding: 30px 0;
            border-top: 1px solid var(--border-default);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 25px;
            text-align: left;
        }
        .footer-sitemap a { font-size: 0.85rem; color: var(--text-muted); }
        .footer-contact { margin-bottom: 20px; font-size: 0.9rem; color: var(--text-secondary); }
        .footer-contact a { color: var(--brand-accent); font-weight: 600; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 64px;
            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 {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.7rem;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }

        .util-link { color: var(--text-secondary); font-size: 0.9rem; text-decoration: underline; }

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

        @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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; height: auto; border: none; display: none; }
            header { padding-inline: 0; }
        }

        @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(4, 1fr); }
        }