:root {
            --color-primary: #0A1A3C;
            --color-primary-hover: #142B61;
            --color-secondary: #C0C0C8;
            --color-secondary-hover: #E2E2E9;
            --color-accent: #00F5FF;
            --color-bg-main: #050B1C;
            --color-bg-surface: #0D1631;
            --color-bg-elevated: #162146;
            --color-text-primary: #E6EEFF;
            --color-text-secondary: #B0BADD;
            --color-text-muted: #7A8BAF;
            --color-btn-bg: #00F5FF;
            --color-btn-text: #050B1C;
            --color-btn-hover: #70F9FF;
            --color-border: #1D2B5A;
            --color-border-strong: #2C3E82;
            --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);
            --grad-brand: linear-gradient(135deg, #0A1A3C 0%, #050B1C 100%);
            --grad-button: 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;
            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); }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .header-brand { display: flex; align-items: center; gap: 8px; }
        .header-brand strong { font-size: 16px; font-weight: normal; color: var(--color-text-primary); }
        .header-actions { display: flex; gap: 10px; }
        
        .btn-nav {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            transition: opacity 0.2s;
        }
        .btn-login { background: var(--color-bg-elevated); color: var(--color-text-primary); border: 1px solid var(--color-border); }
        .btn-signup { background: var(--color-btn-bg); color: var(--color-btn-text); }
        .btn-nav:hover { opacity: 0.9; }

        main { width: 100%; }
        
        .hero-section { padding: 32px 0; text-align: center; }
        .hero-section h1 { 
            font-family: 'Archivo Black', sans-serif; 
            font-size: clamp(1.6rem, 6.5vw, 2.4rem); 
            line-height: 1.2; 
            margin: 0 0 16px 0; 
            font-style: italic;
            text-transform: uppercase;
        }
        .hero-intro { color: var(--color-text-secondary); margin-bottom: 24px; max-width: 800px; margin-inline: auto; }
        .hero-cta { 
            display: block; 
            width: 100%; 
            background: var(--grad-button); 
            color: var(--color-btn-text); 
            text-align: center; 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            font-weight: 800; 
            font-size: 1.2rem; 
            box-shadow: var(--shadow-card);
            text-transform: uppercase;
        }
        .hero-tags { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 8px; 
            margin-top: 20px; 
        }
        .hero-tag { 
            background: var(--color-bg-surface); 
            color: var(--color-text-muted); 
            padding: 4px 12px; 
            border-radius: var(--radius-pill); 
            font-size: 12px; 
            border: 1px solid var(--color-border); 
        }

        .banner-link { display: block; width: 100%; aspect-ratio: 2 / 1; overflow: hidden; }
        .banner-link img { width: 100%; height: 100%; object-fit: cover; }

        .category-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 12px; 
            margin: 32px 0; 
        }
        .category-tile { 
            background: var(--color-bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .category-tile i { font-size: 24px; color: var(--color-accent); }
        .category-tile strong { display: block; color: var(--color-text-primary); margin-bottom: 4px; }
        .category-tile span { font-size: 13px; color: var(--color-text-muted); line-height: 1.4; }

        .section-title { 
            font-family: 'Archivo Black', sans-serif; 
            font-size: clamp(1.3rem, 5.2vw, 1.8rem); 
            line-height: 1.25; 
            margin-top: 2rem; 
            margin-bottom: 1.5rem; 
            font-style: italic;
            border-left: 4px solid var(--color-accent);
            padding-left: 12px;
        }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
            margin-bottom: 32px; 
        }
        .game-card { 
            background: var(--color-bg-surface); 
            border-radius: var(--radius-lg); 
            overflow: hidden; 
            border: 1px solid var(--color-border);
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-4px); }
        .game-card img { aspect-ratio: 1 / 1; width: 100%; object-fit: cover; }
        .game-card h3 { 
            font-size: 14px; 
            margin: 0; 
            padding: 12px; 
            text-align: center; 
            color: var(--color-text-primary); 
            font-weight: 500;
        }

        .facts-container { background: var(--color-bg-surface); padding: 20px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .freshness-notice { font-style: italic; color: var(--color-text-muted); font-size: 13px; margin-bottom: 16px; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 14px; }
        .facts-table td:first-child { color: var(--color-text-muted); width: 40%; }
        .facts-table td:last-child { color: var(--color-text-primary); text-align: right; font-weight: 500; }
        .terms-link-wrapper { margin-top: 12px; text-align: center; font-size: 13px; }
        .terms-link-wrapper a { color: var(--color-text-muted); text-decoration: underline; }

        .toc-nav { 
            display: flex; 
            overflow-x: auto; 
            gap: 12px; 
            padding: 16px 0; 
            margin-bottom: 32px; 
            scrollbar-width: none; 
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { 
            white-space: nowrap; 
            background: var(--color-bg-elevated); 
            padding: 8px 16px; 
            border-radius: var(--radius-pill); 
            font-size: 13px; 
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
        }

        .promo-card { 
            background: var(--color-bg-elevated); 
            padding: 24px; 
            border-radius: var(--radius-lg); 
            margin-bottom: 16px; 
            border: 1px solid var(--color-border-strong);
        }
        .promo-card h3 { margin: 0 0 12px 0; color: var(--color-accent); }
        .promo-card p { color: var(--color-text-secondary); font-size: 14px; margin-bottom: 20px; }
        .promo-cta { 
            display: inline-block; 
            padding: 10px 20px; 
            background: var(--color-btn-bg); 
            color: var(--color-btn-text); 
            border-radius: var(--radius-md); 
            font-weight: 700; 
            font-size: 14px; 
        }

        .usp-grid { display: grid; gap: 16px; margin: 32px 0; }
        .usp-item { 
            display: flex; 
            gap: 16px; 
            background: var(--color-bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--color-border); 
        }
        .usp-item i { font-size: 24px; color: var(--color-accent); }
        .usp-content strong { display: block; color: var(--color-text-primary); margin-bottom: 4px; }
        .usp-content span { font-size: 13px; color: var(--color-text-muted); }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 12px; 
            margin-bottom: 32px; 
        }
        .payment-card { 
            background: var(--color-bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--color-border); 
        }
        .payment-card i { font-size: 24px; color: var(--color-accent); margin-bottom: 8px; display: block; }
        .payment-card strong { display: block; color: var(--color-text-primary); margin-bottom: 8px; }
        .payment-card p { font-size: 12px; color: var(--color-text-muted); margin: 0; line-height: 1.4; }

        .guide-step { 
            display: flex; 
            gap: 16px; 
            margin-bottom: 20px; 
            background: var(--color-bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--color-border); 
        }
        .step-num { 
            min-width: 36px; 
            height: 36px; 
            background: var(--color-accent); 
            color: var(--color-btn-text); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 800; 
        }
        .step-content h3 { margin: 0 0 8px 0; font-size: 16px; }
        .step-content h3 a { color: inherit; }
        .step-content p { margin: 0; font-size: 13px; color: var(--color-text-secondary); }

        .download-box { 
            background: var(--color-bg-elevated); 
            padding: 32px 20px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 2px solid var(--color-accent); 
        }
        .download-cta { 
            display: block; 
            width: 100%; 
            max-width: 300px; 
            margin: 20px auto; 
            background: var(--grad-button); 
            color: var(--color-btn-text); 
            padding: 14px; 
            border-radius: var(--radius-md); 
            font-weight: 800; 
            text-transform: uppercase; 
        }

        .guide-item { 
            background: var(--color-bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            margin-bottom: 16px; 
            border: 1px solid var(--color-border); 
        }
        .guide-item h3 { margin: 0 0 4px 0; color: var(--color-text-primary); }
        .guide-meta { font-size: 12px; color: var(--color-text-muted); margin-bottom: 12px; display: block; }
        .guide-item p { margin: 0; font-size: 14px; color: var(--color-text-secondary); }

        .announcement-item { 
            display: flex; 
            gap: 16px; 
            padding: 16px; 
            border-bottom: 1px solid var(--color-border); 
            background: var(--color-bg-surface); 
        }
        .announcement-item i { font-size: 20px; color: var(--color-accent); margin-top: 4px; }
        .announcement-body h3 { margin: 0 0 8px 0; font-size: 16px; }
        .announcement-body p { margin: 0 0 8px 0; font-size: 13px; color: var(--color-text-secondary); }
        .announcement-date { font-size: 12px; color: var(--color-text-muted); }

        .faq-item { margin-bottom: 12px; background: var(--color-bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px; }
        .faq-item summary h3 { font-size: 15px; margin: 0; color: var(--color-text-primary); font-weight: 500; }
        .faq-item p { padding: 0 16px 16px 16px; margin: 0; font-size: 14px; color: var(--color-text-secondary); }

        .about-box { padding: 24px; background: var(--color-bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .team-card { 
            margin-top: 24px; 
            padding: 20px; 
            background: var(--color-bg-elevated); 
            border-radius: var(--radius-lg); 
            border-left: 4px solid var(--color-accent); 
        }
        .team-card h3 { margin: 0 0 12px 0; font-size: 16px; }
        .team-card p { margin: 0 0 8px 0; font-size: 13px; color: var(--color-text-secondary); }

        .security-section { padding: 24px; background: var(--color-bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
        .security-grid { display: grid; gap: 16px; margin-bottom: 24px; }
        .security-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--color-text-secondary); }
        .security-item i { color: var(--color-accent); margin-top: 4px; }
        .rg-links { display: flex; flex-wrap: wrap; gap: 12px; margin: 20px 0; }
        .rg-link { background: var(--color-bg-elevated); padding: 8px 16px; border-radius: var(--radius-md); font-size: 13px; color: var(--color-text-primary); border: 1px solid var(--color-border); }

        footer { 
            background: var(--color-bg-surface); 
            padding: 32px 0; 
            margin-top: 48px; 
            border-top: 1px solid var(--color-border); 
            text-align: center; 
        }
        .footer-sitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 12px; 
            margin-bottom: 32px; 
            text-align: left; 
        }
        .footer-sitemap a { font-size: 13px; color: var(--color-text-muted); }
        .footer-contact { margin-bottom: 24px; font-size: 14px; color: var(--color-text-secondary); }
        .footer-legal { font-size: 12px; color: var(--color-text-muted); line-height: 1.6; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--color-bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); 
            border-top: 1px solid var(--color-border); 
            z-index: 1000; 
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; gap: 4px; }
        .nav-item i { font-size: 20px; color: var(--color-text-muted); }
        .nav-item span { font-size: 10px; color: var(--color-text-muted); }
        .nav-item:hover i, .nav-item:hover span { color: var(--color-accent); }

        .utility-link { display: block; text-align: center; margin-top: 16px; color: var(--color-accent); font-size: 14px; font-weight: 600; }

        @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 { padding-bottom: 24px; }
        }
        @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(4, 1fr); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }

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