:root {
            --primary-bg: #050C1A;
            --surface-bg: #0B162B;
            --elevated-bg: #13213D;
            --accent-color: #00F5FF;
            --accent-hover: #70F9FF;
            --text-main: #E6EBF5;
            --text-sec: #A8B4C8;
            --text-muted: #6B7A91;
            --border-color: #1C2E4A;
            --border-strong: #2D4466;
            --white: #FFFFFF;
            --success: #00E676;
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Manrope', sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-main);
            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;
        }
        h1, h2, h3 { font-family: 'Be Vietnam Pro', sans-serif; color: var(--white); font-weight: 700; margin-top: 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: 0.75rem; }
        a { text-decoration: none; color: var(--accent-color); transition: color 0.2s ease; }
        a:hover { color: var(--accent-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 24px;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: linear-gradient(180deg, #00F5FF 0%, #00D1DC 100%);
            color: #050C1A;
        }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent-color);
            color: var(--accent-color);
        }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            margin-bottom: 2rem;
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: 400; color: var(--text-main); }
        .header-actions { display: flex; gap: 12px; }
        .hero-section { text-align: center; max-width: 800px; margin: 0 auto 2rem; }
        .hero-intro { color: var(--text-sec); margin-bottom: 1.5rem; }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 1.5rem; }
        .hero-tag {
            background: var(--elevated-bg);
            border: 1px solid var(--border-strong);
            color: var(--text-sec);
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.8rem;
        }
        .banner-link { display: block; width: 100%; margin-bottom: 2rem; }
        .banner-img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: 12px; }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 2.5rem;
        }
        .category-tile {
            background: var(--surface-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }
        .category-tile:hover { border-color: var(--accent-color); background: var(--elevated-bg); }
        .category-tile i { font-size: 2rem; color: var(--accent-color); margin-bottom: 12px; }
        .category-tile span { display: block; font-weight: 600; margin-bottom: 8px; color: var(--white); }
        .category-tile p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 2.5rem;
        }
        .game-card {
            background: var(--surface-bg);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: transform 0.2s ease;
        }
        .game-card:hover { transform: scale(1.03); border-color: var(--accent-color); }
        .game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 1rem; text-align: center; margin: 0; color: var(--text-main); }
        .facts-container { margin-bottom: 2.5rem; }
        .freshness-note { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 1rem; display: block; }
        .facts-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface-bg);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .facts-table tr { border-bottom: 1px solid var(--border-color); }
        .facts-table td { padding: 12px 16px; font-size: 0.9rem; }
        .facts-table td:first-child { font-weight: 600; color: var(--text-sec); width: 40%; }
        .facts-table td:last-child { color: var(--text-main); }
        .facts-footer { margin-top: 12px; font-size: 0.85rem; text-align: center; }
        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 12px 0;
            margin-bottom: 2rem;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            white-space: nowrap;
            background: var(--elevated-bg);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            border: 1px solid var(--border-strong);
        }
        .promo-card {
            background: var(--surface-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            margin-bottom: 16px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .usp-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-bottom: 2.5rem;
        }
        .usp-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--surface-bg);
            border-radius: 12px;
            border-left: 4px solid var(--accent-color);
        }
        .usp-item i { font-size: 1.5rem; color: var(--accent-color); }
        .usp-item strong { display: block; margin-bottom: 4px; color: var(--white); }
        .usp-item p { margin: 0; font-size: 0.9rem; color: var(--text-sec); }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 2.5rem;
        }
        .payment-card {
            background: var(--surface-bg);
            padding: 16px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
        }
        .payment-card i { font-size: 1.8rem; color: var(--accent-color); margin-bottom: 12px; }
        .payment-card strong { display: block; margin-bottom: 8px; color: var(--white); }
        .payment-card p { margin: 0; font-size: 0.8rem; color: var(--text-muted); }
        .guide-steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 2.5rem; }
        .guide-step {
            display: flex;
            gap: 16px;
            background: var(--surface-bg);
            padding: 20px;
            border-radius: 16px;
            align-items: flex-start;
        }
        .step-badge {
            background: var(--accent-color);
            color: var(--primary-bg);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }
        .guide-step h3 a { color: inherit; }
        .download-panel {
            background: var(--elevated-bg);
            padding: 32px;
            border-radius: 24px;
            text-align: center;
            border: 1px solid var(--border-strong);
            margin-bottom: 2.5rem;
        }
        .player-guide-item {
            background: var(--surface-bg);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
        }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; display: block; }
        .announcement-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--surface-bg);
            border-radius: 12px;
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
        }
        .announcement-item i { color: var(--accent-color); margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-top: 8px; }
        .faq-item { background: var(--surface-bg); border-radius: 12px; margin-bottom: 12px; border: 1px solid var(--border-color); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3 { margin: 0; font-size: 1.05rem; color: var(--text-main); }
        .faq-content { padding: 0 16px 16px; color: var(--text-sec); font-size: 0.95rem; }
        .about-section { background: var(--surface-bg); padding: 32px; border-radius: 24px; border: 1px solid var(--border-strong); margin-bottom: 2.5rem; }
        .team-card {
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            color: var(--text-sec);
        }
        .team-card h3 { color: var(--accent-color); margin-bottom: 12px; }
        .security-panel {
            background: var(--elevated-bg);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border-strong);
            margin-bottom: 2.5rem;
        }
        .security-link { display: block; margin-bottom: 8px; color: var(--text-sec); font-size: 0.9rem; }
        footer {
            margin-top: 4rem;
            padding-top: 32px;
            border-top: 1px solid var(--border-strong);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 32px;
            text-align: left;
        }
        .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;
            height: 72px;
            background: rgba(11, 22, 43, 0.9);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-top: 1px solid var(--border-strong);
            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-sec);
            font-size: 0.75rem;
            text-decoration: none;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--accent-color); }
        .util-link { font-size: 0.9rem; color: var(--accent-color); 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(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 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; }
            .category-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
        }