:root {
            --color-primary: #0A2540;
            --color-primary-hover: #143A63;
            --color-secondary: #A0B2C1;
            --color-secondary-hover: #C5D1D9;
            --color-accent: #00F5FF;
            --color-bg-main: #050C17;
            --color-bg-surface: #0D1829;
            --color-bg-elevated: #16243D;
            --color-text-primary: #E6F1FF;
            --color-text-secondary: #B0C4DE;
            --color-text-muted: #7B92A8;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050C17;
            --color-btn-hover-bg: #70F9FF;
            --color-border-default: #1C2D4A;
            --color-border-strong: #2C456B;
            --color-border-brand: #00F5FF;
            --font-headings: 'Archivo Black', 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 0 #000000;
            --shadow-elevated: 0 8px 20px rgba(0, 0, 0, 0.5);
            --grad-brand: linear-gradient(135deg, #0A2540 0%, #00F5FF 100%);
            --grad-hero: linear-gradient(180deg, #0D1829 0%, #050C17 100%);
            --grad-btn: linear-gradient(to bottom, #00F5FF 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));
            overflow-x: hidden;
            background-color: var(--color-bg-main);
            color: var(--color-text-primary);
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-accent); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--color-btn-hover-bg); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 2px solid var(--color-border-default);
        }

        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: normal; }
        .header-nav { display: flex; gap: 12px; }

        .btn-main {
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            font-weight: 700;
            text-align: center;
            cursor: pointer;
            border: none;
            background: var(--grad-btn);
            color: var(--color-btn-text);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-card);
        }
        .btn-secondary { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border-strong); }

        main { width: 100%; }

        .hero-panel {
            padding: 40px 0;
            text-align: center;
            background: var(--grad-hero);
        }
        .hero-panel h1 {
            font-family: var(--font-headings);
            font-size: clamp(1.6rem, 6.5vw, 2.4rem);
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero-intro {
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--color-text-secondary);
        }
        .hero-cta-wrapper { margin-bottom: 24px; }
        .hero-cta { width: 100%; display: block; font-size: 1.2rem; }
        .hero-tags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
        .hero-tag {
            background: var(--color-bg-elevated);
            color: var(--color-accent);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            border: 1px solid var(--color-border-brand);
        }

        .banner-link img {
            width: 100%;
            aspect-ratio: 2 / 1;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 40px 0;
        }
        .category-tile {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 2px solid var(--color-border-default);
            transition: transform 0.2s, border-color 0.2s;
        }
        .category-tile:hover { transform: translateY(-4px); border-color: var(--color-accent); }
        .category-tile i { font-size: 2rem; color: var(--color-accent); margin-bottom: 12px; }
        .category-tile strong { display: block; font-size: 1.1rem; margin-bottom: 8px; color: var(--color-text-primary); }
        .category-tile span { font-size: 0.9rem; color: var(--color-text-muted); }

        .section-title {
            font-family: var(--font-headings);
            font-size: clamp(1.3rem, 5.2vw, 1.8rem);
            line-height: 1.25;
            margin: 40px 0 20px;
            color: var(--color-text-primary);
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .game-card {
            background: var(--color-bg-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-default);
            transition: box-shadow 0.2s;
        }
        .game-card:hover { box-shadow: var(--shadow-elevated); border-color: var(--color-accent); }
        .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(--color-text-primary);
        }

        .facts-wrapper {
            background: var(--color-bg-surface);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 2px solid var(--color-border-strong);
            margin-bottom: 20px;
        }
        .freshness-notice {
            font-style: italic;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            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);
        }
        .facts-label { font-weight: 600; color: var(--color-text-secondary); width: 40%; }
        .facts-value { color: var(--color-text-primary); }
        .terms-link {
            display: block;
            text-align: center;
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .toc-nav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            scrollbar-width: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link {
            background: var(--color-bg-elevated);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--color-border-default);
        }

        .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;
        }
        .promo-card h3 { margin: 0; font-size: 1.4rem; }

        .usp-grid { display: flex; flex-direction: column; gap: 20px; }
        .usp-tile {
            display: flex;
            gap: 20px;
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            align-items: flex-start;
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-content strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
        .usp-content p { margin: 0; font-size: 0.95rem; color: var(--color-text-secondary); }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .pay-card {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--color-border-default);
        }
        .pay-card i { font-size: 2rem; color: var(--color-accent); margin-bottom: 12px; }
        .pay-card strong { display: block; margin-bottom: 8px; }
        .pay-card p { font-size: 0.85rem; margin: 0; color: var(--color-text-muted); }

        .guide-list { display: flex; flex-direction: column; gap: 24px; }
        .guide-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-badge {
            min-width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: var(--color-btn-text);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
        }
        .guide-step h3 { margin: 0 0 8px; font-size: 1.2rem; }
        .guide-step a { color: inherit; }

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

        .player-guide-item {
            background: var(--color-bg-surface);
            padding: 20px;
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
        }
        .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 {
            background: var(--color-bg-surface);
            padding: 16px;
            border-radius: var(--radius-lg);
            display: flex;
            gap: 16px;
        }
        .announcement-item i { color: var(--color-accent); margin-top: 4px; }
        .announcement-content h3 { margin: 0 0 8px; font-size: 1.1rem; }
        .announcement-date { font-size: 0.8rem; color: var(--color-text-muted); display: block; margin-top: 8px; }

        .faq-list { display: flex; flex-direction: column; gap: 12px; }
        .faq-item details { background: var(--color-bg-surface); border-radius: var(--radius-lg); }
        .faq-item summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item summary h3 { margin: 0; font-size: 1.1rem; font-weight: 600; }
        .faq-item p { padding: 0 16px 16px; margin: 0; color: var(--color-text-secondary); }

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

        .security-panel {
            background: var(--color-bg-surface);
            padding: 30px;
            border-radius: var(--radius-lg);
            border-top: 4px solid var(--color-accent);
        }

        footer {
            margin-top: 60px;
            padding: 40px 0;
            border-top: 2px solid var(--color-border-default);
            text-align: center;
        }
        .footer-sitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 30px;
            text-align: left;
        }
        .footer-contact { margin-bottom: 20px; font-size: 0.95rem; }
        .footer-legal { font-size: 0.85rem; color: var(--color-text-muted); }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--color-bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            border-top: 2px solid var(--color-border-strong);
            z-index: 1000;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            color: var(--color-text-secondary);
        }
        .nav-item i { font-size: 1.2rem; color: var(--color-text-secondary); }

        .util-link { color: var(--color-accent); 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(4, 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); }
        }