:root {
            --primary: #00A3FF;
            --primaryHover: #33B5FF;
            --secondary: #C0C0C8;
            --secondaryHover: #E0E0E8;
            --accent: #00F5FF;
            --bgMain: #050A15;
            --bgSurface: #0D1426;
            --bgElevated: #161F38;
            --bgOverlay: rgba(5, 10, 21, 0.8);
            --textPrimary: #E6EBF5;
            --textSecondary: #A0AECB;
            --textMuted: #6B7B9C;
            --textBrandContrast: #050A15;
            --textLink: #00A3FF;
            --textLinkHover: #00F5FF;
            --btnBg: #00A3FF;
            --btnText: #050A15;
            --btnBgHover: #00F5FF;
            --btnTextHover: #050A15;
            --success: #00E676;
            --error: #FF5252;
            --warning: #FFD740;
            --info: #40C4FF;
            --borderDefault: #1C2744;
            --borderStrong: #2D3B61;
            --borderBrand: rgba(0, 245, 255, 0.4);
            --radiusSm: 6px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --radiusPill: 9999px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --shadowElevated: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
            --shadowGlow: 0 0 15px rgba(0, 245, 255, 0.5);
            --gradBrand: linear-gradient(135deg, #00A3FF 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at top right, #161F38, #050A15);
            --gradBtn: linear-gradient(to bottom, #00A3FF, #0082CC);
        }

        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(--bgMain);
            color: var(--textPrimary);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--textLink); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--textLinkHover); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: transform 0.2s ease, background 0.2s ease;
            text-align: center;
            text-decoration: none;
        }
        .btnPrimary { background: var(--gradBtn); color: var(--btnText); }
        .btnPrimary:hover { background: var(--btnBgHover); transform: translateY(-2px); }
        .btnSecondary { background: var(--bgElevated); color: var(--textPrimary); border: 1px solid var(--borderBrand); }
        .btnSecondary:hover { background: var(--borderStrong); }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 10, 21, 0.8);
            backdrop-filter: blur(10px);
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; }
        .headerNav { display: flex; gap: 12px; }

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

        h1 { font-size: clamp(1.8rem, 6.5vw, 3rem); line-height: 1.2; margin: 0 0 20px; color: var(--textPrimary); }
        h2 { font-size: clamp(1.4rem, 5.2vw, 2.25rem); line-height: 1.25; margin: 32px 0 24px; color: var(--textPrimary); }
        h3 { font-size: clamp(1.1rem, 4.2vw, 1.5rem); line-height: 1.3; margin: 0 0 12px; color: var(--textPrimary); }

        .heroSection { 
            background: var(--gradHero); 
            padding: 60px 20px; 
            border-radius: var(--radiusLg); 
            text-align: center;
            border: 1px solid var(--borderBrand);
            margin-bottom: 20px;
        }
        .heroIntro { font-size: 1.1rem; color: var(--textSecondary); margin-bottom: 30px; max-width: 800px; margin-inline: auto; }
        .heroCta { display: block; width: 100%; max-width: 400px; margin: 0 auto 24px; font-size: 1.2rem; }
        .heroTags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .heroTag { 
            background: rgba(0, 163, 255, 0.1); 
            border: 1px solid var(--borderBrand); 
            padding: 4px 12px; 
            border-radius: var(--radiusPill); 
            font-size: 0.85rem; 
            color: var(--accent); 
        }

        .bannerLink { display: block; width: 100%; overflow: hidden; border-radius: var(--radiusMd); }
        .bannerImg { width: 100%; aspect-ratio: 2/1; object-fit: cover; }

        .categoryGrid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
            margin-top: 24px; 
        }
        .categoryTile { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .categoryTile:hover { border-color: var(--accent); background: var(--bgElevated); transform: translateY(-5px); }
        .categoryTile i { font-size: 2rem; color: var(--primary); }
        .categoryTile strong { display: block; font-size: 1.1rem; margin-bottom: 4px; }
        .categoryTile span { font-size: 0.85rem; color: var(--textMuted); }

        .gameGrid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
        }
        .gameCard { 
            background: var(--bgSurface); 
            border-radius: var(--radiusMd); 
            overflow: hidden; 
            border: 1px solid var(--borderDefault); 
            transition: all 0.3s ease;
        }
        .gameCard:hover { border-color: var(--primary); box-shadow: var(--shadowGlow); }
        .gameCard img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .gameCard h3 { padding: 12px; margin: 0; font-size: 1rem; text-align: center; font-weight: 500; }

        .factsWrapper { background: var(--bgSurface); border: 1px solid var(--borderStrong); border-radius: var(--radiusMd); padding: 24px; margin-bottom: 20px; }
        .freshnessNotice { font-style: italic; color: var(--textSecondary); font-size: 0.9rem; margin-bottom: 20px; display: block; }
        .factsTable { width: 100%; border-collapse: collapse; }
        .factsTable tr { border-bottom: 1px solid var(--borderDefault); }
        .factsTable td { padding: 12px 8px; font-size: 0.95rem; }
        .factsTable td:first-child { font-weight: 600; color: var(--textSecondary); width: 40%; }
        .factsFooter { margin-top: 16px; font-size: 0.85rem; text-align: center; }

        .tocNav { 
            display: flex; 
            overflow-x: auto; 
            gap: 12px; 
            padding-bottom: 12px; 
            scrollbar-width: none; 
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink { 
            background: var(--bgElevated); 
            padding: 8px 16px; 
            border-radius: var(--radiusPill); 
            white-space: nowrap; 
            font-size: 0.9rem; 
            border: 1px solid var(--borderDefault); 
        }
        .tocLink:hover { background: var(--primary); color: var(--btnText); }

        .promoGrid { display: flex; flex-direction: column; gap: 20px; }
        .promoCard { 
            background: var(--bgElevated); 
            border: 1px solid var(--borderBrand); 
            padding: 24px; 
            border-radius: var(--radiusLg); 
            display: flex; 
            flex-direction: column; 
            gap: 16px; 
        }
        .promoCard h3 { margin: 0; color: var(--accent); }
        .promoCard p { margin: 0; color: var(--textSecondary); }

        .uspGrid { display: flex; flex-direction: column; gap: 20px; }
        .uspTile { 
            display: flex; 
            align-items: center; 
            gap: 20px; 
            background: var(--bgSurface); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            border-left: 4px solid var(--primary);
        }
        .uspTile i { font-size: 1.5rem; color: var(--primary); width: 30px; text-align: center; }
        .uspTile strong { display: block; font-size: 1.1rem; }
        .uspTile p { margin: 0; font-size: 0.9rem; color: var(--textSecondary); }

        .guideList { display: flex; flex-direction: column; gap: 24px; }
        .guideItem { background: var(--bgSurface); padding: 20px; border-radius: var(--radiusMd); }
        .guideMeta { font-size: 0.8rem; color: var(--textMuted); margin-bottom: 10px; display: block; }

        .paymentGrid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
        }
        .paymentCard { 
            background: var(--bgSurface); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            border: 1px solid var(--borderDefault);
        }
        .paymentCard i { font-size: 2rem; color: var(--accent); margin-bottom: 12px; }
        .paymentCard strong { display: block; margin-bottom: 8px; }
        .paymentCard p { font-size: 0.85rem; color: var(--textSecondary); margin: 0; }

        .stepList { display: flex; flex-direction: column; gap: 20px; }
        .stepItem { 
            display: flex; 
            gap: 20px; 
            background: var(--bgSurface); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            align-items: flex-start; 
        }
        .stepBadge { 
            background: var(--gradBrand); 
            color: var(--btnText); 
            min-width: 32px; 
            height: 32px; 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
        }
        .stepContent h3 { margin: 0 0 8px; }
        .stepContent a { color: inherit; text-decoration: none; }

        .downloadSection { 
            background: var(--bgElevated); 
            padding: 40px 20px; 
            border-radius: var(--radiusLg); 
            text-align: center; 
            border: 1px solid var(--borderDefault);
        }

        .announcementList { display: flex; flex-direction: column; gap: 16px; }
        .announcementItem { 
            background: var(--bgSurface); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            display: flex; 
            gap: 16px; 
            border: 1px solid var(--borderDefault);
        }
        .announcementItem i { color: var(--primary); font-size: 1.2rem; margin-top: 4px; }
        .announcementDate { font-size: 0.8rem; color: var(--textMuted); display: block; margin-top: 8px; }

        .faqList { display: flex; flex-direction: column; gap: 12px; }
        .faqItem details { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); }
        .faqItem summary { padding: 16px; cursor: pointer; list-style: none; }
        .faqItem summary h3 { margin: 0; font-size: 1.1rem; display: flex; justify-content: space-between; align-items: center; }
        .faqItem p { padding: 0 16px 16px; color: var(--textSecondary); margin: 0; }

        .aboutSection { background: var(--bgSurface); padding: 30px; border-radius: var(--radiusLg); border: 1px solid var(--borderStrong); }
        .teamCard { 
            margin-top: 30px; 
            background: var(--bgElevated); 
            padding: 24px; 
            border-radius: var(--radiusMd); 
            border: 1px solid var(--borderBrand); 
        }

        .securitySection { padding: 30px; background: var(--bgSurface); border-radius: var(--radiusLg); border: 1px solid var(--borderDefault); }
        .securityLinks { display: flex; flex-wrap: wrap; gap: 16px; margin: 20px 0; }
        .securityLink { background: var(--bgElevated); padding: 10px 20px; border-radius: var(--radiusMd); font-size: 0.9rem; }

        footer { 
            margin-top: 60px; 
            padding: 40px 0; 
            border-top: 1px solid var(--borderStrong); 
            text-align: center; 
        }
        .footerSitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 12px; 
            margin-bottom: 30px; 
            text-align: center; 
        }
        .footerSitemap a { font-size: 0.9rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 20px; color: var(--textSecondary); }
        .footerContact a { color: var(--primary); font-weight: 600; }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); line-height: 1.5; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            height: 72px; 
            background: var(--bgSurface); 
            border-top: 1px solid var(--borderStrong); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding-bottom: env(safe-area-inset-bottom); 
            z-index: 2000; 
            backdrop-filter: blur(10px);
        }
        .navItem { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--textSecondary); text-decoration: none; font-size: 0.75rem; }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--accent); }

        .utilLink { color: var(--textSecondary); font-size: 0.9rem; text-decoration: underline; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .categoryGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(3, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            .promoGrid { flex-direction: row; }
            .promoCard { flex: 1; }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .categoryGrid { grid-template-columns: repeat(4, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
        }