:root {
            --brandPrimary: #0D2B45;
            --brandPrimaryHover: #163D61;
            --brandSecondary: #C0C0C5;
            --brandSecondaryHover: #E0E0E5;
            --brandAccent: #00F2FF;
            --bgMain: #050B14;
            --bgSurface: #0B1522;
            --bgElevated: #132032;
            --bgOverlay: rgba(5, 11, 20, 0.8);
            --textPrimary: #E6EBF2;
            --textSecondary: #AAB4C1;
            --textMuted: #6B7C91;
            --textBrandContrast: #050B14;
            --textLink: #00F2FF;
            --textLinkHover: #70F9FF;
            --btnBg: #00F2FF;
            --btnText: #050B14;
            --btnBgHover: #70F9FF;
            --btnTextHover: #050B14;
            --semanticSuccess: #00E676;
            --semanticError: #FF5252;
            --semanticWarning: #FFD740;
            --semanticInfo: #40C4FF;
            --borderDefault: #1E2D42;
            --borderStrong: #314561;
            --borderBrand: rgba(0, 242, 255, 0.4);
            --radiusSm: 4px;
            --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, 242, 255, 0.6);
            --gradBrand: linear-gradient(135deg, #0D2B45 0%, #050B14 100%);
            --gradHero: radial-gradient(circle at top right, #0D2B45 0%, #050B14 100%);
            --gradButton: linear-gradient(180deg, #00F2FF 0%, #00C8D4 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(--bgMain);
            color: var(--textPrimary);
        }
        img, video, iframe { 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, .cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all 0.3s ease;
            text-align: center;
            text-decoration: none;
        }
        .ctaPrimary { background: var(--gradButton); color: var(--btnText); }
        .ctaPrimary:hover { background: var(--btnBgHover); transform: translateY(-2px); box-shadow: var(--shadowGlow); }
        .ctaSecondary { background: var(--bgElevated); color: var(--textPrimary); border: 1px solid var(--borderBrand); }
        .ctaSecondary:hover { background: var(--brandPrimaryHover); }
        
        h1 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; font-weight: 700; margin-bottom: 1rem; color: #fff; }
        h2 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.2rem; font-weight: 700; color: var(--textPrimary); }
        h3 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; font-weight: 600; color: var(--textPrimary); }
        
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid var(--borderDefault);
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(5, 11, 20, 0.9);
            backdrop-filter: blur(10px);
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerBrand { font-size: 16px; font-weight: 400; color: var(--textPrimary); }
        .headerActions { display: flex; gap: 12px; }

        main { width: 100%; }
        .heroSection { padding: 2rem 0; text-align: center; background: var(--gradHero); border-radius: var(--radiusLg); margin-bottom: 2rem; }
        .heroIntro { max-width: 800px; margin: 0 auto 2rem auto; padding: 0 1rem; color: var(--textSecondary); }
        .heroTags { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 1.5rem; }
        .pillTag { background: rgba(0, 242, 255, 0.1); border: 1px solid var(--borderBrand); color: var(--brandAccent); padding: 4px 12px; border-radius: var(--radiusPill); font-size: 0.8rem; }

        .bannerWrapper { margin-bottom: 2rem; }
        .bannerImage { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; border-radius: var(--radiusMd); }

        .categoryGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .categoryTile { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 1.5rem; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        .categoryTile:hover { border-color: var(--brandAccent); background: var(--bgElevated); transform: translateY(-3px); }
        .categoryTile i { font-size: 2rem; color: var(--brandAccent); margin-bottom: 8px; }
        .categoryTile span { display: block; font-weight: 600; color: #fff; margin-bottom: 4px; }
        .categoryTile p { font-size: 0.85rem; color: var(--textMuted); margin: 0; }

        .gameGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin-bottom: 2rem; }
        .gameCard { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            border-radius: var(--radiusMd); 
            overflow: hidden; 
            transition: all 0.3s ease; 
            text-decoration: none;
        }
        .gameCard:hover { border-color: var(--brandAccent); transform: scale(1.02); box-shadow: var(--shadowCard); }
        .gameCard img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .gameCard h3 { padding: 12px; margin: 0; font-size: 1rem; text-align: center; color: var(--textPrimary); }

        .factsContainer { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 1.5rem; margin-bottom: 2rem; }
        .factsTable { width: 100%; border-collapse: collapse; margin: 1rem 0; }
        .factsTable td { padding: 12px; border-bottom: 1px solid var(--borderDefault); }
        .factsLabel { color: var(--textSecondary); font-weight: 500; width: 40%; }
        .factsValue { color: var(--textPrimary); text-align: right; }
        .freshnessNotice { font-style: italic; color: var(--textMuted); font-size: 0.85rem; margin-bottom: 1rem; display: block; }
        .factsTerms { display: block; text-align: center; font-size: 0.85rem; color: var(--textSecondary); margin-top: 1rem; }

        .tocNav { 
            display: flex; 
            overflow-x: auto; 
            gap: 10px; 
            padding: 1rem 0; 
            margin-bottom: 2rem; 
            scrollbar-width: none; 
            border-bottom: 1px solid var(--borderDefault);
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink { 
            white-space: nowrap; 
            background: var(--bgElevated); 
            padding: 8px 16px; 
            border-radius: var(--radiusPill); 
            font-size: 0.9rem; 
            border: 1px solid var(--borderDefault);
        }
        .tocLink:hover { background: var(--brandPrimary); border-color: var(--brandAccent); }

        .promoGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .promoCard { 
            background: var(--bgElevated); 
            border: 1px solid var(--borderDefault); 
            padding: 1.5rem; 
            border-radius: var(--radiusMd); 
            display: flex; 
            flex-direction: column; 
            gap: 12px;
        }
        .promoCard h3 { margin: 0; }
        .promoCard p { margin: 0; color: var(--textSecondary); }

        .uspGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .uspTile { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 1.5rem; 
            border-radius: var(--radiusMd); 
            display: flex; 
            align-items: flex-start; 
            gap: 15px;
        }
        .uspTile i { font-size: 1.5rem; color: var(--brandAccent); margin-top: 4px; }
        .uspContent strong { display: block; color: #fff; margin-bottom: 4px; }
        .uspContent p { margin: 0; font-size: 0.9rem; color: var(--textSecondary); }

        .paymentGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .paymentCard { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 1rem; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 8px;
        }
        .paymentCard i { font-size: 1.8rem; color: var(--brandAccent); }
        .paymentCard strong { display: block; color: #fff; font-size: 0.9rem; }
        .paymentCard p { font-size: 0.75rem; color: var(--textMuted); margin: 0; }

        .guideList { display: grid; grid-template-columns: 1fr; gap: 20px; margin-bottom: 2rem; }
        .guideStep { 
            display: flex; 
            gap: 15px; 
            background: var(--bgSurface); 
            padding: 1.5rem; 
            border-radius: var(--radiusMd); 
            border: 1px solid var(--borderDefault);
        }
        .stepNum { 
            min-width: 32px; 
            height: 32px; 
            background: var(--brandAccent); 
            color: var(--btnText); 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
        }
        .guideContent h3 { margin: 0 0 8px 0; }
        .guideContent h3 a { color: inherit; }
        .guideContent p { margin: 0; color: var(--textSecondary); font-size: 0.95rem; }

        .appSection { 
            background: var(--bgElevated); 
            padding: 2rem; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            margin-bottom: 2rem; 
            border: 1px solid var(--borderDefault);
        }
        .appSection p { margin-bottom: 1.5rem; color: var(--textSecondary); }

        .playerGuideGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .guideItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); padding: 1.5rem; border-radius: var(--radiusMd); }
        .guideItem .meta { font-size: 0.8rem; color: var(--textMuted); display: block; margin-bottom: 8px; }

        .announcementGrid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 2rem; }
        .announcementCard { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 1.2rem; 
            border-radius: var(--radiusMd); 
            display: flex; 
            gap: 15px;
        }
        .announcementCard i { font-size: 1.2rem; color: var(--brandAccent); }
        .announcementDetails h3 { font-size: 1.1rem; margin: 0 0 8px 0; }
        .announcementDetails p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--textSecondary); }
        .announcementDate { font-size: 0.75rem; color: var(--textMuted); }

        .faqSection { margin-bottom: 2rem; }
        .faqItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); margin-bottom: 10px; border-radius: var(--radiusMd); }
        .faqItem summary { padding: 1.2rem; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqItem summary h3 { margin: 0; font-size: 1.1rem; text-align: left; }
        .faqItem p { padding: 0 1.2rem 1.2rem 1.2rem; margin: 0; color: var(--textSecondary); font-size: 0.95rem; }

        .aboutSection { background: var(--bgSurface); padding: 2rem; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); margin-bottom: 2rem; }
        .teamCard { 
            background: var(--bgElevated); 
            padding: 1.5rem; 
            border-radius: var(--radiusMd); 
            margin-top: 2rem; 
            border-left: 4px solid var(--brandAccent);
        }

        .securitySection { padding: 2rem; background: var(--bgSurface); border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); margin-bottom: 2rem; }
        .securityLinks { display: flex; gap: 15px; flex-wrap: wrap; margin: 1.5rem 0; }
        .securityLinks a { background: var(--bgElevated); padding: 8px 16px; border-radius: var(--radiusSm); font-size: 0.85rem; border: 1px solid var(--borderDefault); }

        footer { 
            background: var(--bgSurface); 
            padding: 3rem 0 2rem 0; 
            border-top: 1px solid var(--borderDefault); 
            text-align: center; 
            margin-top: 4rem;
        }
        .footerSitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 15px; 
            max-width: 800px; 
            margin: 0 auto 2rem auto; 
            text-align: left;
        }
        .footerSitemap a { color: var(--textSecondary); font-size: 0.9rem; }
        .footerSitemap a:hover { color: #fff; }
        .footerContact { margin-bottom: 2rem; font-size: 0.95rem; }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); max-width: 800px; margin: 0 auto; line-height: 1.5; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            height: 72px; 
            background: var(--bgSurface); 
            border-top: 1px solid var(--borderDefault); 
            display: flex; 
            justify-content: space-around; 
            align-items: center; 
            padding-bottom: env(safe-area-inset-bottom); 
            z-index: 1000; 
            backdrop-filter: blur(10px);
        }
        .navItem { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center; 
            color: var(--textSecondary); 
            font-size: 0.75rem; 
            gap: 4px; 
            text-decoration: none;
        }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--brandAccent); }

        .utilLink { display: inline-block; margin-top: 1rem; color: var(--brandAccent); font-weight: 500; text-decoration: underline; }

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

        @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); }
            .guideList { grid-template-columns: repeat(2, 1fr); }
            .announcementGrid { grid-template-columns: repeat(2, 1fr); }
            .playerGuideGrid { grid-template-columns: repeat(2, 1fr); }
            .navigator { position: static; display: none; }
            body { padding-bottom: 24px; }
        }

        @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); }
            .guideList { grid-template-columns: repeat(2, 1fr); }
            .announcementGrid { grid-template-columns: repeat(2, 1fr); }
            .playerGuideGrid { grid-template-columns: repeat(2, 1fr); }
        }