:root {
            --color-primary: #0D2B45;
            --color-primary-hover: #153E63;
            --color-secondary: #C0C0C0;
            --color-secondary-hover: #E0E0E0;
            --color-accent: #00F0FF;
            --color-bg-main: #060E1A;
            --color-bg-surface: #0C1728;
            --color-bg-elevated: #142138;
            --color-text-primary: #E6F1FF;
            --color-text-secondary: #A3B8CC;
            --color-text-muted: #6B7C91;
            --color-brand-contrast: #060E1A;
            --color-link: #00F0FF;
            --color-link-hover: #70F9FF;
            --color-btn-bg: #00F0FF;
            --color-btn-text: #060E1A;
            --color-btn-hover: #70F9FF;
            --color-border-default: #1C2D44;
            --color-border-strong: #2D4261;
            --color-border-brand: #00F0FF;
            --font-heading: 'Barlow Condensed', sans-serif;
            --font-body: 'Be Vietnam Pro', sans-serif;
            --radius-sm: 2px;
            --radius-md: 4px;
            --radius-lg: 8px;
            --radius-pill: 9999px;
            --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
            --grad-brand: linear-gradient(135deg, #0D2B45 0%, #060E1A 100%);
            --grad-hero: radial-gradient(circle at center, #153E63 0%, #060E1A 100%);
            --grad-btn: linear-gradient(180deg, #00F0FF 0%, #00C2D1 100%);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: clamp(15px, 3.9vw, 16px);
            line-height: 1.65;
            padding-inline: 14px;
            padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
            overflow-x: hidden;
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-link); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--color-link-hover); }
        .btn, .cta-link {
            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;
            transition: transform 0.2s, background 0.2s;
            text-align: center;
            border: none;
        }
        .btn-primary { background: var(--grad-btn); color: var(--color-btn-text); }
        .btn-primary:hover { background: var(--color-btn-hover); transform: translateY(-2px); }
        .btn-secondary { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border-strong); }
        .btn-secondary:hover { background: var(--color-primary-hover); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-block: 16px;
            background-color: var(--color-bg-surface);
            border-bottom: 1px solid var(--color-border-default);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: 400; color: var(--color-text-primary); }
        .header-nav { display: flex; gap: 12px; }

        main { width: 100%; }
        section { padding-block: 40px 0; }
        .section-below-fold { content-visibility: auto; contain-intrinsic-size: 1px 800px; }

        h1 { font-family: var(--font-heading); font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin: 0 0 16px; color: var(--color-text-primary); }
        h2 { font-family: var(--font-heading); font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 20px; color: var(--color-accent); }
        h3 { font-family: var(--font-heading); font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 12px; color: var(--color-text-primary); }

        .hero-panel {
            padding-block: 40px;
            text-align: center;
            background: var(--grad-hero);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-bottom: 20px;
        }
        .hero-intro { max-width: 800px; margin: 0 auto 24px; color: var(--color-text-secondary); }
        .hero-cta { width: 100%; display: block; margin-bottom: 20px; font-size: 1.2rem; }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
        .tag-pill {
            background: var(--color-bg-elevated);
            color: var(--color-text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            border: 1px solid var(--color-border-default);
        }

        .banner-wrapper { margin-bottom: 30px; line-height: 0; }
        .banner-img { width: 100%; aspect-ratio: 2/1; object-fit: cover; }

        .cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 40px;
        }
        .cat-tile {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border-default);
            transition: border-color 0.2s;
        }
        .cat-tile:hover { border-color: var(--color-accent); }
        .cat-tile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 12px; display: block; }
        .cat-tile strong { display: block; margin-bottom: 8px; font-size: 1.1rem; color: var(--color-text-primary); }
        .cat-tile span { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.4; }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-default);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; margin: 0; text-align: center; font-size: 1rem; }

        .facts-container { background: var(--color-bg-surface); padding: 24px; border-radius: var(--radius-lg); border: 1px solid var(--color-border-default); }
        .freshness-notice { font-style: italic; color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 16px; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--color-border-default); font-size: 0.95rem; }
        .facts-table td:first-child { color: var(--color-text-secondary); font-weight: 500; width: 40%; }
        .facts-table td:last-child { color: var(--color-text-primary); text-align: right; }
        .terms-link { display: block; margin-top: 16px; font-size: 0.85rem; text-align: center; color: var(--color-text-muted); }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding-block: 20px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-item {
            white-space: nowrap;
            background: var(--color-bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            border: 1px solid var(--color-border-strong);
        }

        .promo-list { display: flex; flex-direction: column; gap: 20px; }
        .promo-card {
            background: var(--color-bg-surface);
            padding: 24px;
            border-radius: var(--radius-lg);
            border-left: 4px solid var(--color-accent);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .usp-grid { display: flex; flex-direction: column; gap: 16px; }
        .usp-tile {
            display: flex;
            gap: 16px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            align-items: center;
            border: 1px solid var(--color-border-default);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); width: 30px; text-align: center; }
        .usp-content strong { display: block; margin-bottom: 4px; color: var(--color-text-primary); }
        .usp-content span { font-size: 0.9rem; color: var(--color-text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .pay-card {
            background: var(--color-bg-elevated);
            padding: 16px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border-default);
        }
        .pay-card i { font-size: 1.8rem; color: var(--color-accent); margin-bottom: 12px; display: block; }
        .pay-card strong { display: block; margin-bottom: 8px; font-size: 1rem; }
        .pay-card p { font-size: 0.8rem; color: var(--color-text-secondary); margin: 0; }

        .guide-steps { display: flex; flex-direction: column; gap: 24px; }
        .step-item { display: flex; gap: 20px; align-items: flex-start; }
        .step-num {
            min-width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: var(--color-bg-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }
        .step-content h3 a { color: inherit; text-decoration: none; }

        .download-panel {
            background: var(--color-bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 2px dashed var(--color-border-strong);
        }

        .player-guides { display: flex; flex-direction: column; gap: 20px; }
        .guide-card { background: var(--color-bg-surface); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--color-border-default); }
        .guide-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 12px; display: block; }

        .announcement-list { display: flex; flex-direction: column; gap: 16px; }
        .announcement-item {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-default);
        }
        .announcement-item i { color: var(--color-accent); font-size: 1.2rem; margin-top: 4px; }
        .announcement-date { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 8px; display: block; }

        .faq-item { background: var(--color-bg-surface); margin-bottom: 12px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border-default); }
        .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; }
        .faq-item p { padding: 0 16px 16px; color: var(--color-text-secondary); font-size: 0.95rem; }

        .about-panel { background: var(--color-bg-surface); padding: 30px; border-radius: var(--radius-lg); border: 1px solid var(--color-border-default); }
        .team-card {
            margin-top: 24px;
            padding: 20px;
            background: var(--color-bg-elevated);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--color-accent);
        }

        .security-panel { background: var(--color-bg-surface); padding: 30px; border-radius: var(--radius-lg); border: 1px solid var(--color-border-default); }
        .security-links { display: flex; gap: 12px; flex-wrap: wrap; margin-block: 20px; }
        .security-links a { background: var(--color-bg-elevated); padding: 8px 16px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--color-border-default); }

        footer {
            background: var(--color-bg-surface);
            padding-block: 40px 20px;
            border-top: 1px solid var(--color-border-default);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            max-width: 800px;
            margin: 0 auto 30px;
            text-align: left;
        }
        .footer-contact { margin-bottom: 20px; color: var(--color-text-secondary); font-size: 0.9rem; }
        .footer-legal { font-size: 0.8rem; color: var(--color-text-muted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--color-bg-surface);
            border-top: 1px solid var(--color-border-default);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--color-text-secondary);
            font-size: 0.7rem;
            text-decoration: none;
        }
        .nav-link i { font-size: 1.2rem; }
        .nav-link:hover { color: var(--color-accent); }

        .util-link { display: inline-block; margin-top: 12px; font-weight: 600; }

        @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); }
            .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(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(7, 1fr); }
        }