:root {
            --brand-primary: #0D1B3E;
            --brand-primary-hover: #162A5B;
            --brand-secondary: #C0C0C8;
            --brand-secondary-hover: #E0E0E8;
            --brand-accent: #00F5FF;
            --bg-main: #060B1A;
            --bg-surface: #0B132B;
            --bg-elevated: #121C3D;
            --text-primary: #E6EBF5;
            --text-secondary: #AAB4D1;
            --text-muted: #6B7B9C;
            --text-link: #00F5FF;
            --text-link-hover: #70F9FF;
            --btn-bg: #00F5FF;
            --btn-text: #060B1A;
            --btn-hover-bg: #70F9FF;
            --border-default: #1C2B52;
            --border-strong: #2D427A;
            --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);
            --glow-accent: 0 0 15px rgba(0, 245, 255, 0.4);
            --grad-brand: linear-gradient(135deg, #0D1B3E 0%, #060B1A 100%);
            --grad-hero: linear-gradient(180deg, #0B132B 0%, #060B1A 100%);
            --grad-btn: 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;
            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;
        }

        h1, h2, h3 {
            font-family: 'Archivo Black', 'Be Vietnam Pro', sans-serif;
            font-weight: 900;
            color: var(--text-primary);
            text-transform: uppercase;
            font-style: italic;
            letter-spacing: -0.02em;
        }

        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin: 0 0 1rem 0; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.25rem; border-left: 4px solid var(--brand-accent); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin: 0 0 0.5rem 0; }

        a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--text-link-hover); }

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

        .btn {
            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: 700;
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: transform 0.1s, box-shadow 0.2s;
            text-align: center;
        }

        .btn-primary {
            background: var(--grad-btn);
            color: var(--btn-text);
            box-shadow: var(--shadow-card), var(--glow-accent);
        }

        .btn-primary:hover { transform: translateY(-2px); background: var(--btn-hover-bg); }

        .btn-outline {
            border: 2px solid var(--brand-accent);
            color: var(--brand-accent);
            background: transparent;
        }

        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }

        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-link { display: flex; align-items: center; gap: 8px; }
        .header-brand-name { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-actions { display: flex; gap: 10px; }

        main { width: 100%; }

        .hero-panel {
            background: var(--grad-hero);
            padding: 32px 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-strong);
            margin-bottom: 20px;
        }

        .hero-intro-text { color: var(--text-secondary); margin-bottom: 24px; font-size: 1.1rem; }
        .hero-cta-wrap { margin-bottom: 20px; }
        .hero-cta-main { width: 100%; display: block; }
        
        .hero-pill-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }

        .hero-pill {
            background: var(--bg-elevated);
            border: 1px solid var(--border-default);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            white-space: nowrap;
        }

        .banner-link { display: block; margin-bottom: 24px; line-height: 0; }
        .banner-img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: var(--radius-lg); }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }

        .cat-tile {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 16px;
            border-radius: var(--radius-lg);
            text-align: center;
            transition: border-color 0.2s;
        }

        .cat-tile:hover { border-color: var(--brand-accent); }
        .cat-tile i { font-size: 2rem; color: var(--brand-accent); margin-bottom: 8px; }
        .cat-tile-name { display: block; color: var(--text-primary); margin-bottom: 4px; }
        .cat-tile-desc { display: block; font-size: 0.85rem; color: var(--text-muted); }

        .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-md);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
            text-decoration: none;
        }

        .game-card:hover { transform: scale(1.02); border-color: var(--brand-accent); }
        .game-card-img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card-title { padding: 10px; text-align: center; font-size: 0.9rem; color: var(--text-primary); }

        .fact-container {
            background: var(--bg-surface);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 20px;
            margin-bottom: 24px;
        }

        .freshness-notice {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 16px;
            display: block;
        }

        .fact-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 16px;
        }

        .fact-table tr { border-bottom: 1px solid var(--border-default); }
        .fact-table td { padding: 12px 8px; font-size: 0.95rem; }
        .fact-label { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .fact-value { color: var(--text-primary); text-align: right; }

        .terms-link-wrap { text-align: center; font-size: 0.8rem; }
        .terms-link-text { color: var(--text-muted); }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 12px 0;
            margin-bottom: 24px;
            scrollbar-width: none;
            -ms-overflow-style: none;
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--bg-elevated);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.85rem;
            border: 1px solid var(--border-default);
        }

        .promo-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
        .promo-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-lg);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .promo-body { color: var(--text-secondary); font-size: 0.95rem; }

        .usp-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 32px;
        }
        .usp-tile {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-elevated);
            padding: 16px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--brand-accent); width: 30px; text-align: center; }
        .usp-content strong { display: block; color: var(--text-primary); margin-bottom: 2px; }
        .usp-content span { font-size: 0.9rem; color: var(--text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .pay-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            padding: 16px;
            border-radius: var(--radius-lg);
            text-align: center;
        }
        .pay-card i { font-size: 1.8rem; color: var(--brand-accent); margin-bottom: 8px; }
        .pay-card-name { display: block; font-weight: 700; margin-bottom: 8px; }
        .pay-card-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
        .step-item { display: flex; gap: 16px; 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: 900;
            flex-shrink: 0;
        }
        .step-text h3 { margin: 0 0 8px 0; }
        .step-text a { color: inherit; text-decoration: none; }

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

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 32px;
        }
        .provider-tile {
            background: var(--bg-elevated);
            padding: 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-default);
            text-align: center;
        }
        .provider-tile strong { display: block; margin-bottom: 4px; }
        .provider-tile p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

        .player-guides { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
        .guide-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; display: block; }

        .announcement-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
        .ann-item {
            background: var(--bg-elevated);
            padding: 16px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 12px;
            border: 1px solid var(--border-default);
        }
        .ann-icon { color: var(--brand-accent); font-size: 1.2rem; margin-top: 4px; }
        .ann-content { flex: 1; }
        .ann-date { font-size: 0.75rem; color: var(--text-muted); display: block; margin-top: 8px; }

        .faq-container { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
        .faq-item { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-md); }
        .faq-item summary { padding: 16px; cursor: pointer; outline: none; list-style: none; }
        .faq-item summary h3 { margin: 0; font-size: 1rem; }
        .faq-answer { padding: 0 16px 16px 16px; color: var(--text-secondary); font-size: 0.95rem; }

        .about-panel {
            background: var(--bg-surface);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-strong);
            margin-bottom: 24px;
        }
        .team-card {
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-default);
        }
        .team-scope { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; }

        .security-panel {
            background: var(--bg-elevated);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-default);
            margin-bottom: 32px;
        }
        .security-link { display: block; margin: 8px 0; color: var(--brand-accent); }

        footer {
            background: var(--bg-surface);
            padding: 32px 0;
            border-top: 1px solid var(--border-strong);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 24px;
            text-align: left;
            max-width: 600px;
            margin-inline: auto;
        }
        .footer-sitemap a { font-size: 0.85rem; color: var(--text-secondary); }
        .footer-contact { margin-bottom: 20px; font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--text-muted); max-width: 700px; margin-inline: auto; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            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;
            color: var(--text-secondary);
            font-size: 0.7rem;
            gap: 4px;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--brand-accent); }

        .util-link { color: var(--text-link); text-decoration: underline; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .cat-grid { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(3, 1fr); }
            .navigator { position: static; display: none; }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(6, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
        }

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