:root {
            --primary: #0F2A5C;
            --primary-hover: #163B8A;
            --secondary: #C0C0C8;
            --secondary-hover: #E2E2EB;
            --accent: #00F5FF;
            --bg-main: #050B1A;
            --bg-surface: #0D162D;
            --bg-elevated: #16213D;
            --text-primary: #E6E9F0;
            --text-secondary: #B0B8CC;
            --text-muted: #7A869D;
            --btn-bg: #00F5FF;
            --btn-text: #050B1A;
            --btn-hover-bg: #70F9FF;
            --border-default: #1C2B4D;
            --border-brand: rgba(0, 245, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-pill: 9999px;
            --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --glass-border: 1px solid rgba(0, 245, 255, 0.2);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-main);
            color: var(--text-primary);
            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;
        }
        img, video { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: var(--btn-hover-bg); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        .header-actions { display: flex; gap: 12px; }

        .btn-nav {
            background: var(--bg-elevated);
            color: var(--text-primary);
            border: var(--glass-border);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            font-weight: 500;
        }
        .btn-nav-primary {
            background: var(--btn-bg);
            color: var(--btn-text);
            border: none;
        }
        .btn-nav-primary:hover { background: var(--btn-hover-bg); }

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

        .hero-section {
            text-align: center;
            padding: 3rem 0;
            background: radial-gradient(circle at top right, #163B8A 0%, #050B1A 70%);
        }
        .hero-section h1 {
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }
        .hero-intro {
            font-size: 1.125rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 800px;
            margin-inline: auto;
        }
        .hero-cta {
            display: block;
            width: 100%;
            max-width: 400px;
            margin: 0 auto 2rem;
            background: linear-gradient(180deg, #00F5FF 0%, #00D1DB 100%);
            color: var(--btn-text);
            padding: 16px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 1.25rem;
            text-align: center;
        }
        .hero-tags {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-tag {
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid var(--border-brand);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
        }

        .banner-link { display: block; width: 100%; margin: 2rem 0; }
        .banner-img { 
            width: 100%; 
            aspect-ratio: 2 / 1; 
            object-fit: cover; 
            border-radius: var(--radius-md);
        }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 3rem;
        }
        .cat-tile {
            background: var(--bg-surface);
            border: var(--glass-border);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: transform 0.3s ease;
        }
        .cat-tile:hover { transform: translateY(-5px); background: var(--bg-elevated); }
        .cat-tile i { font-size: 2rem; color: var(--accent); margin-bottom: 10px; }
        .cat-tile strong { display: block; color: var(--text-primary); margin-bottom: 5px; }
        .cat-tile span { font-size: 0.875rem; color: var(--text-muted); }

        .section-title {
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: var(--glass-border);
            transition: opacity 0.3s ease;
        }
        .game-card:hover { opacity: 0.9; }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 {
            font-size: 1rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--text-primary);
        }

        .facts-container {
            background: var(--bg-surface);
            border: var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin: 2rem 0;
        }
        .facts-notice {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.875rem;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
        }
        .facts-table tr { border-bottom: 1px solid var(--border-default); }
        .facts-table td { padding: 12px; color: var(--text-secondary); }
        .facts-table td:first-child { font-weight: 600; color: var(--text-primary); width: 40%; }
        .facts-footer {
            margin-top: 1rem;
            text-align: center;
            font-size: 0.875rem;
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 1rem 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            background: var(--bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: var(--glass-border);
            font-size: 0.875rem;
        }

        .promo-grid { display: flex; flex-direction: column; gap: 20px; }
        .promo-card {
            background: var(--bg-surface);
            border: var(--glass-border);
            padding: 24px;
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .promo-card h3 { color: var(--accent); margin: 0; }
        .promo-btn {
            align-self: flex-start;
            background: var(--btn-bg);
            color: var(--btn-text);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }

        .usp-bar { display: flex; flex-direction: column; gap: 20px; margin-bottom: 3rem; }
        .usp-tile {
            display: flex;
            align-items: center;
            gap: 15px;
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: var(--glass-border);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--accent); }
        .usp-tile strong { display: block; color: var(--text-primary); }
        .usp-tile p { margin: 0; font-size: 0.875rem; color: var(--text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .pay-card {
            background: var(--bg-surface);
            border: var(--glass-border);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
        }
        .pay-card i { font-size: 1.5rem; color: var(--accent); margin-bottom: 10px; }
        .pay-card strong { display: block; margin-bottom: 8px; }
        .pay-card p { font-size: 0.75rem; color: var(--text-muted); margin: 0; }

        .guide-steps { display: flex; flex-direction: column; gap: 20px; }
        .guide-step {
            display: flex;
            gap: 20px;
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: var(--glass-border);
        }
        .step-num {
            background: var(--accent);
            color: var(--btn-text);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .guide-step h3 { margin: 0 0 8px 0; font-size: 1.125rem; }
        .guide-step h3 a { color: inherit; }

        .download-panel {
            background: var(--bg-surface);
            border: var(--glass-border);
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
        }
        .dl-btn {
            display: inline-block;
            background: var(--btn-bg);
            color: var(--btn-text);
            padding: 15px 30px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            margin-top: 20px;
        }

        .player-guides { display: flex; flex-direction: column; gap: 20px; }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: var(--glass-border);
        }
        .guide-item h3 { margin: 0 0 5px 0; color: var(--accent); }
        .guide-meta { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 10px; }

        .announcement-list { display: flex; flex-direction: column; gap: 15px; }
        .announcement-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: var(--radius-md);
            border: var(--glass-border);
            display: flex;
            gap: 15px;
        }
        .announcement-item i { color: var(--accent); font-size: 1.2rem; }
        .announcement-content h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); }

        .faq-container { display: flex; flex-direction: column; gap: 10px; }
        .faq-item { background: var(--bg-surface); border: var(--glass-border); border-radius: var(--radius-md); }
        .faq-item summary { padding: 15px; cursor: pointer; list-style: none; }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; display: flex; align-items: center; gap: 10px; }
        .faq-item p { padding: 0 15px 15px; color: var(--text-secondary); font-size: 0.9rem; }

        .trust-statement {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: var(--glass-border);
            margin-bottom: 2rem;
        }
        .team-card {
            background: var(--bg-elevated);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-top: 20px;
            border-left: 4px solid var(--accent);
        }

        .rg-section {
            background: var(--bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: var(--glass-border);
        }
        .rg-links { display: flex; gap: 15px; margin: 20px 0; flex-wrap: wrap; }
        .rg-link {
            background: var(--bg-elevated);
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.875rem;
            border: 1px solid var(--border-default);
        }

        footer {
            background: var(--bg-surface);
            padding: 40px 0;
            margin-top: 4rem;
            text-align: center;
            border-top: var(--glass-border);
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 600px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .footer-contact { margin-bottom: 20px; font-size: 0.875rem; }
        .footer-legal { font-size: 0.75rem; color: var(--text-muted); }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: var(--glass-border);
            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-secondary);
            font-size: 0.7rem;
        }
        .nav-item i { font-size: 1.2rem; color: var(--text-secondary); }
        .nav-item:hover { color: var(--accent); }
        .nav-item:hover i { color: var(--accent); }

        .util-link { color: var(--accent); font-weight: 500; text-decoration: underline; }

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

        @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(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .guide-steps { flex-direction: row; flex-wrap: wrap; }
            .guide-step { width: calc(50% - 10px); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(3, 1fr); }
        }