:root {
            --color-primary: #0D2B45;
            --color-primary-hover: #153D61;
            --color-secondary: #C0C0C8;
            --color-secondary-hover: #E0E0E8;
            --color-accent: #00F2FF;
            --bg-main: #050B14;
            --bg-surface: #0A1423;
            --bg-elevated: #111E32;
            --bg-overlay: rgba(5, 11, 20, 0.8);
            --text-primary: #E6EEF5;
            --text-secondary: #B0BCC7;
            --text-muted: #7A8B9E;
            --text-brand-contrast: #050B14;
            --text-link: #00F2FF;
            --text-link-hover: #70F9FF;
            --btn-bg: #00F2FF;
            --btn-text: #050B14;
            --btn-bg-hover: #70F9FF;
            --btn-text-hover: #050B14;
            --border-default: #1C2D44;
            --border-strong: #2A415E;
            --border-brand: #00F2FF;
            --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);
            --shadow-glow: 0 0 15px rgba(0, 242, 255, 0.4);
            --grad-brand: linear-gradient(135deg, #0D2B45 0%, #050B14 100%);
            --grad-hero: linear-gradient(180deg, #0A1423 0%, #050B14 100%);
            --grad-btn: linear-gradient(to bottom, #00F2FF 0%, #00C2D1 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(--bg-main);
            color: var(--text-primary);
        }
        img, video, iframe { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--text-link-hover); }
        .btn, .cta { 
            min-height: 44px; 
            min-inline-size: 44px; 
            padding: 12px 18px; 
            display: inline-flex; 
            align-items: center; 
            justify-content: center; 
            border-radius: var(--radius-md); 
            font-weight: 600; 
            cursor: pointer; 
            text-align: center; 
            border: none; 
            transition: transform 0.1s, opacity 0.2s;
        }
        .btn-primary { background: var(--grad-btn); color: var(--btn-text); box-shadow: var(--shadow-glow); }
        .btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
        .btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border-strong); }
        .btn-secondary:hover { background: var(--border-strong); }

        h1, h2, h3 { font-family: 'Barlow Condensed', sans-serif; color: var(--text-primary); letter-spacing: -0.02em; line-height: 1.1; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-bottom: 1rem; font-style: italic; font-weight: 900; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2rem; margin-bottom: 1.25rem; font-style: italic; font-weight: 700; border-left: 4px solid var(--color-accent); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.75rem; font-weight: 600; }

        header { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px 0; 
            border-bottom: 1px solid var(--border-default); 
            position: sticky; 
            top: 0; 
            z-index: 100; 
            background: var(--bg-main);
        }
        .header-logo { display: flex; align-items: center; gap: 8px; }
        .header-logo strong { font-size: 16px; font-weight: 400; }
        .header-nav { display: flex; gap: 10px; }

        .hero-section { 
            padding: 40px 0; 
            text-align: center; 
            background: var(--grad-hero); 
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            margin-bottom: 20px;
        }
        .hero-intro { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 24px; max-width: 700px; margin-inline: auto; }
        .hero-cta { width: 100%; font-size: 1.2rem; text-transform: uppercase; }
        .hero-tags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
        .hero-tag { background: var(--bg-elevated); color: var(--text-secondary); padding: 4px 12px; border-radius: var(--radius-pill); font-size: 0.85rem; border: 1px solid var(--border-default); }

        .banner-wrap { width: 100%; margin-bottom: 30px; }
        .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: 12px; margin-bottom: 30px; }
        .cat-tile { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 1px solid var(--border-default); 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 8px;
            transition: border-color 0.2s;
        }
        .cat-tile:hover { border-color: var(--color-accent); }
        .cat-tile i { font-size: 1.5rem; color: var(--color-accent); }
        .cat-tile strong { color: var(--text-primary); display: block; font-size: 1rem; }
        .cat-tile span { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 30px; }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            overflow: hidden; 
            border: 1px solid var(--border-default); 
            transition: transform 0.2s;
            text-decoration: none;
            color: inherit;
        }
        .game-card:hover { transform: translateY(-4px); border-color: var(--color-accent); }
        .game-card img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
        .game-card h3 { padding: 12px; font-size: 0.95rem; text-align: center; margin: 0; color: var(--text-primary); }

        .facts-wrap { background: var(--bg-surface); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--border-strong); }
        .facts-notice { font-style: italic; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 15px; display: block; }
        .facts-table { width: 100%; border-collapse: collapse; }
        .facts-table td { padding: 12px; border-bottom: 1px solid var(--border-default); font-size: 0.9rem; }
        .facts-table td:first-child { color: var(--text-secondary); font-weight: 500; width: 40%; }
        .facts-table td:last-child { color: var(--text-primary); text-align: right; }
        .facts-footer { margin-top: 12px; font-size: 0.8rem; text-align: center; }

        .toc-nav { 
            display: flex; 
            gap: 12px; 
            overflow-x: auto; 
            padding: 10px 0; 
            margin-bottom: 30px; 
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { 
            white-space: nowrap; 
            background: var(--bg-elevated); 
            padding: 8px 16px; 
            border-radius: var(--radius-pill); 
            font-size: 0.85rem; 
            border: 1px solid var(--border-default);
        }

        .promo-card { 
            background: var(--bg-surface); 
            border-radius: var(--radius-lg); 
            padding: 20px; 
            margin-bottom: 16px; 
            border: 1px solid var(--border-strong); 
            position: relative;
            overflow: hidden;
        }
        .promo-card::before { content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--color-accent); }
        .promo-card h3 { margin-top: 0; }
        .promo-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 20px; }

        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 30px; }
        .usp-tile { 
            background: var(--bg-surface); 
            padding: 20px; 
            border-radius: var(--radius-lg); 
            display: flex; 
            gap: 16px; 
            align-items: flex-start; 
            border: 1px solid var(--border-default);
        }
        .usp-tile i { font-size: 1.5rem; color: var(--color-accent); margin-top: 4px; }
        .usp-tile strong { display: block; color: var(--text-primary); font-size: 1rem; margin-bottom: 4px; }
        .usp-tile p { margin: 0; font-size: 0.85rem; color: var(--text-secondary); }

        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 30px; }
        .pay-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default); 
            text-align: center; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 10px;
        }
        .pay-card i { font-size: 1.5rem; color: var(--color-accent); }
        .pay-card strong { font-size: 0.9rem; display: block; color: var(--text-primary); }
        .pay-card p { font-size: 0.75rem; color: var(--text-muted); margin: 0; }

        .guide-step { 
            display: flex; 
            gap: 16px; 
            margin-bottom: 20px; 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            border: 1px solid var(--border-default);
        }
        .step-num { 
            min-width: 32px; 
            height: 32px; 
            background: var(--color-accent); 
            color: var(--btn-text); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 900; 
            flex-shrink: 0;
        }
        .step-content h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .step-content h3 a { color: inherit; }
        .step-content p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); }

        .download-box { 
            background: var(--bg-surface); 
            padding: 30px 20px; 
            border-radius: var(--radius-lg); 
            text-align: center; 
            border: 2px dashed var(--border-strong); 
            margin-bottom: 30px;
        }
        .download-box p { margin-bottom: 24px; color: var(--text-secondary); }

        .player-guide { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border-default); }
        .guide-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; display: block; }

        .announcement-card { 
            background: var(--bg-surface); 
            padding: 16px; 
            border-radius: var(--radius-lg); 
            margin-bottom: 12px; 
            border: 1px solid var(--border-default); 
            display: flex; 
            gap: 16px;
        }
        .announcement-card i { font-size: 1.2rem; color: var(--color-accent); margin-top: 4px; }
        .announcement-info h3 { margin: 0 0 8px 0; font-size: 1rem; }
        .announcement-info p { margin: 0 0 8px 0; font-size: 0.85rem; color: var(--text-secondary); }
        .announcement-date { font-size: 0.75rem; color: var(--text-muted); }

        .faq-item { margin-bottom: 12px; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .faq-item summary { padding: 16px; cursor: pointer; list-style: none; outline: none; }
        .faq-item summary h3 { margin: 0; font-size: 1rem; display: flex; justify-content: space-between; align-items: center; }
        .faq-item summary h3::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 0.8rem; }
        .faq-answer { padding: 0 16px 16px 16px; font-size: 0.9rem; color: var(--text-secondary); }

        .about-box { padding: 20px; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-strong); }
        .team-card { 
            margin-top: 24px; 
            padding: 20px; 
            background: var(--bg-elevated); 
            border-radius: var(--radius-md); 
            border-left: 4px solid var(--color-accent);
        }
        .team-card h3 { margin: 0 0 12px 0; font-size: 1.1rem; }
        .team-card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 8px; }

        .security-box { padding: 20px; background: var(--bg-surface); border-radius: var(--radius-lg); border: 1px solid var(--border-default); }
        .security-list { list-style: none; padding: 0; margin: 0 0 20px 0; }
        .security-list li { margin-bottom: 12px; display: flex; gap: 10px; align-items: center; font-size: 0.9rem; }
        .security-list i { color: var(--color-accent); font-size: 1rem; }

        footer { 
            margin-top: 40px; 
            padding: 40px 0; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
            font-size: 0.85rem; 
            color: var(--text-muted);
        }
        .footer-sitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            margin-bottom: 30px; 
            text-align: left;
        }
        .footer-sitemap a { color: var(--text-secondary); }
        .footer-contact { margin-bottom: 20px; }
        .footer-contact a { font-weight: 600; }
        .footer-legal { font-size: 0.75rem; max-width: 800px; margin: 0 auto; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--bg-surface); 
            border-top: 1px solid var(--border-strong); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px)); 
            z-index: 1000; 
        }
        .nav-item { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 4px; 
            color: var(--text-secondary); 
            font-size: 0.7rem; 
            text-decoration: none;
        }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--color-accent); }

        .util-link { display: block; text-align: center; font-size: 0.85rem; color: var(--text-link); margin-top: 15px; 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(3, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { display: none; }
        }
        @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); }
            .footer-sitemap { grid-template-columns: repeat(5, 1fr); }
        }