:root {
            --color-primary: #0A1C3D;
            --color-primary-hover: #142D63;
            --color-secondary: #C0C0C0;
            --color-secondary-hover: #E0E0E0;
            --color-accent: #00F2FF;
            --color-bg-main: #050C1B;
            --color-bg-surface: #0D172B;
            --color-bg-elevated: #16223D;
            --color-text-primary: #E6EEF8;
            --color-text-secondary: #A0B1C5;
            --color-text-muted: #64748B;
            --color-brand-contrast: #050C1B;
            --color-link: #00F2FF;
            --color-link-hover: #80FFFF;
            --color-btn-bg: #00F2FF;
            --color-btn-text: #050C1B;
            --color-btn-hover-bg: #80FFFF;
            --color-border-default: #1E293B;
            --color-border-strong: #334155;
            --color-border-brand: #00F2FF;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
            --shadow-elevated: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 15px rgba(0, 242, 255, 0.5);
            --grad-brand: linear-gradient(135deg, #0A1C3D 0%, #00F2FF 100%);
            --grad-hero: linear-gradient(180deg, #0D172B 0%, #050C1B 100%);
            --grad-btn: linear-gradient(to bottom, #00F2FF 0%, #00C8D4 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;
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            overflow-x: hidden;
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 1rem;
            border-bottom: 1px solid var(--color-border-default);
        }
        .header-logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            color: inherit;
        }
        .header-brand-name {
            font-size: 16px;
            font-weight: normal;
        }
        .header-actions {
            display: flex;
            gap: 12px;
        }
        main {
            width: 100%;
        }
        footer {
            background-color: var(--color-bg-surface);
            padding-block: 3rem 1.5rem;
            border-top: 1px solid var(--color-border-strong);
            text-align: center;
        }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background-color: var(--color-bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--color-border-brand);
            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(--color-text-secondary);
            font-size: 12px;
            gap: 4px;
        }
        .nav-item:hover { color: var(--color-accent); }

        img { max-width: 100%; height: auto; display: block; }
        .aspect-square { aspect-ratio: 1 / 1; object-fit: cover; }
        .aspect-banner { aspect-ratio: 2 / 1; object-fit: cover; }

        .btn, .cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            text-decoration: none;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, opacity 0.2s;
            border: none;
            font-family: 'Be Vietnam Pro', sans-serif;
        }
        .btn-primary {
            background: var(--grad-btn);
            color: var(--color-btn-text);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover { transform: translateY(-2px); opacity: 0.9; }
        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
        }
        .btn-outline:hover { background: rgba(0, 242, 255, 0.1); }

        h1, h2, h3 {
            font-family: 'Barlow Condensed', sans-serif;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
            margin-block-start: 0;
        }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-block-end: 1.5rem; text-transform: uppercase; font-style: italic; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; margin-bottom: 1.25rem; text-transform: uppercase; font-style: italic; border-left: 4px solid var(--color-accent); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-block-start: 0; }

        .hero-section {
            padding-block: 3rem 1.5rem;
            background: var(--grad-hero);
            text-align: center;
        }
        .hero-intro {
            max-width: 800px;
            margin: 0 auto 2rem;
            color: var(--color-text-secondary);
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            margin-top: 1.5rem;
        }
        .hero-tag {
            background: var(--color-bg-elevated);
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            border: 1px solid var(--color-border-strong);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-block: 2rem 0;
        }
        .category-tile {
            background: var(--color-bg-surface);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            text-decoration: none;
            color: inherit;
            text-align: center;
            border: 1px solid var(--color-border-default);
            transition: border-color 0.3s;
        }
        .category-tile:hover { border-color: var(--color-accent); }
        .category-tile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 0.75rem; display: block; }
        .category-tile .cat-name { display: block; font-weight: 700; margin-bottom: 4px; }
        .category-tile .cat-desc { font-size: 13px; color: var(--color-text-muted); }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            text-decoration: none;
            color: inherit;
            overflow: hidden;
            border: 1px solid var(--color-border-default);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: scale(1.02); border-color: var(--color-accent); }
        .game-card h3 { padding: 12px; font-size: 1rem; text-align: center; margin-bottom: 0; }

        .facts-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-block: 1rem 0;
        }
        .facts-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-default);
        }
        .facts-label { color: var(--color-text-secondary); font-weight: 500; width: 40%; }
        .facts-value { color: var(--color-text-primary); text-align: right; }
        .freshness-notice {
            font-style: italic;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 1rem;
            display: block;
        }
        .terms-link {
            display: block;
            text-align: center;
            font-size: 13px;
            color: var(--color-text-muted);
            margin-top: 0.75rem;
            text-decoration: none;
        }
        .terms-link:hover { color: var(--color-accent); }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-block: 1.5rem;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            background: var(--color-bg-surface);
            color: var(--color-text-primary);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            font-size: 14px;
            border: 1px solid var(--color-border-default);
        }
        .toc-link:hover { border-color: var(--color-accent); color: var(--color-accent); }

        .promo-card {
            background: var(--color-bg-elevated);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 1rem;
            border: 1px solid var(--color-border-strong);
        }
        .promo-card h3 { margin-bottom: 0.75rem; color: var(--color-accent); }
        .promo-card p { margin-bottom: 1.5rem; color: var(--color-text-secondary); }

        .usp-grid {
            display: grid;
            gap: 1rem;
            margin-block: 2rem 0;
        }
        .usp-tile {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            background: var(--color-bg-surface);
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-content strong { display: block; margin-bottom: 4px; font-size: 1.1rem; }
        .usp-content p { margin: 0; font-size: 14px; color: var(--color-text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .payment-card {
            background: var(--color-bg-surface);
            padding: 1rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
            text-align: center;
        }
        .payment-card i { font-size: 1.5rem; color: var(--color-accent); margin-bottom: 8px; display: block; }
        .payment-card strong { display: block; margin-bottom: 8px; font-size: 14px; }
        .payment-card p { font-size: 12px; color: var(--color-text-muted); margin: 0; line-height: 1.4; }

        .guide-step {
            display: flex;
            gap: 1rem;
            padding-block: 1rem;
            border-bottom: 1px solid var(--color-border-default);
        }
        .step-num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--color-accent);
            color: var(--color-bg-main);
            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; text-decoration: none; }
        .step-content p { font-size: 14px; color: var(--color-text-secondary); margin: 0; }

        .download-section {
            background: var(--color-bg-surface);
            padding: 2rem;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border-strong);
        }

        .player-guide-item {
            padding-block: 1.5rem;
            border-bottom: 1px solid var(--color-border-default);
        }
        .guide-meta { font-size: 12px; color: var(--color-text-muted); margin-bottom: 8px; display: block; }

        .announcement-item {
            display: flex;
            gap: 1rem;
            padding-block: 1rem;
            border-bottom: 1px solid var(--color-border-default);
        }
        .announcement-item i { color: var(--color-accent); font-size: 1.2rem; margin-top: 4px; }
        .announcement-date { font-size: 12px; color: var(--color-text-muted); display: block; margin-top: 4px; }

        .faq-item {
            margin-bottom: 1rem;
            border: 1px solid var(--color-border-default);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .faq-summary {
            background: var(--color-bg-surface);
            cursor: pointer;
            padding: 1rem;
            list-style: none;
        }
        .faq-summary h3 { margin: 0; font-size: 1.1rem; }
        .faq-answer {
            padding: 1rem;
            background: var(--color-bg-main);
            color: var(--color-text-secondary);
            font-size: 14px;
            border-top: 1px solid var(--color-border-default);
        }

        .team-card {
            background: var(--color-bg-elevated);
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-top: 2rem;
            border: 1px solid var(--color-border-strong);
        }

        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .footer-link {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 13px;
        }
        .footer-link:hover { color: var(--color-accent); }
        .footer-contact { margin-bottom: 1.5rem; font-size: 14px; }
        .footer-legal { font-size: 12px; color: var(--color-text-muted); }

        .util-link {
            display: inline-block;
            margin-top: 1rem;
            color: var(--color-accent);
            text-decoration: none;
            font-weight: 500;
        }

        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 { display: none; }
            h1 { font-size: 2.8rem; }
        }

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