:root {
            --brandPrimary: #0E2A47;
            --brandPrimaryHover: #163B61;
            --brandSecondary: #A5B4FC;
            --brandSecondaryHover: #C4B5FD;
            --brandAccent: #00F5FF;
            --bgMain: #050C16;
            --bgSurface: #0B1624;
            --bgElevated: #122135;
            --bgOverlay: rgba(5, 12, 22, 0.8);
            --textPrimary: #E2E8F0;
            --textSecondary: #94A3B8;
            --textMuted: #64748B;
            --textBrandContrast: #050C16;
            --textLink: #00F5FF;
            --textLinkHover: #70F9FF;
            --btnBg: #00F5FF;
            --btnText: #050C16;
            --btnBgHover: #70F9FF;
            --btnTextHover: #050C16;
            --semanticSuccess: #10B981;
            --semanticError: #EF4444;
            --semanticWarning: #F59E0B;
            --semanticInfo: #3B82F6;
            --borderDefault: #1E293B;
            --borderStrong: #334155;
            --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, #0E2A47 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at center, #122135 0%, #050C16 100%);
            --gradButton: 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(--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: transform 0.2s ease, filter 0.2s ease;
            text-align: center;
        }
        .btnPrimary { background: var(--gradButton); color: var(--btnText); }
        .btnPrimary:hover { filter: brightness(1.1); transform: translateY(-2px); }
        .btnSecondary { background: var(--bgElevated); color: var(--textPrimary); border: 1px solid var(--borderBrand); }
        .btnSecondary:hover { background: var(--brandPrimaryHover); }
        
        h1, h2, h3 { font-family: 'Be Vietnam Pro', 'Outfit', sans-serif; color: var(--textPrimary); margin: 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2.5rem; margin-bottom: 1.25rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 0.75rem; }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--borderDefault);
            margin-bottom: 2rem;
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; }
        .headerActions { display: flex; gap: 12px; }

        main { width: 100%; }

        .heroSection {
            background: var(--gradHero);
            padding: 40px 20px;
            border-radius: var(--radiusLg);
            text-align: center;
            border: 1px solid var(--borderBrand);
            margin-bottom: 2rem;
        }
        .heroIntro { margin-bottom: 1.5rem; color: var(--textSecondary); }
        .heroCta { width: 100%; margin-bottom: 1.5rem; }
        .heroTags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
        .heroTag {
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid var(--borderBrand);
            color: var(--brandAccent);
            padding: 4px 12px;
            border-radius: var(--radiusPill);
            font-size: 0.8rem;
        }

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

        .catGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 2rem;
        }
        .catTile {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            transition: background 0.3s ease;
        }
        .catTile:hover { background: var(--bgElevated); border-color: var(--borderBrand); }
        .catTile i { font-size: 2rem; color: var(--brandAccent); }
        .catTile span { font-weight: 600; display: block; margin-bottom: 4px; }
        .catTile p { font-size: 0.8rem; color: var(--textSecondary); margin: 0; }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 2rem;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: transform 0.2s ease;
        }
        .gameCard:hover { transform: translateY(-4px); border-color: var(--brandAccent); }
        .gameCard img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
        .gameCard h3 { padding: 12px; font-size: 1rem; text-align: center; margin: 0; color: var(--textPrimary); }

        .factSection { background: var(--bgSurface); padding: 24px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .freshnessNotice { font-style: italic; color: var(--textSecondary); font-size: 0.85rem; margin-bottom: 1rem; display: block; }
        .factTable { width: 100%; border-collapse: collapse; margin-bottom: 1rem; }
        .factTable tr { border-bottom: 1px solid var(--borderDefault); }
        .factTable td { padding: 12px 8px; font-size: 0.9rem; }
        .factLabel { color: var(--textSecondary); font-weight: 500; width: 40%; }
        .factValue { color: var(--textPrimary); text-align: right; }
        .factTermsLink { display: block; text-align: center; font-size: 0.8rem; color: var(--textMuted); }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 12px 0;
            margin-bottom: 2rem;
            scrollbar-width: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            background: var(--bgElevated);
            padding: 8px 16px;
            border-radius: var(--radiusPill);
            white-space: nowrap;
            font-size: 0.85rem;
            border: 1px solid var(--borderDefault);
        }

        .promoSection { display: flex; flex-direction: column; gap: 16px; margin-bottom: 2rem; }
        .promoCard {
            background: var(--bgSurface);
            padding: 24px;
            border-radius: var(--radiusMd);
            border-left: 4px solid var(--brandAccent);
            border-top: 1px solid var(--borderDefault);
            border-right: 1px solid var(--borderDefault);
            border-bottom: 1px solid var(--borderDefault);
        }
        .promoCard h3 { color: var(--brandAccent); }
        .promoCard p { margin-bottom: 1.25rem; color: var(--textSecondary); }

        .uspBar { display: flex; flex-direction: column; gap: 16px; margin-bottom: 2rem; }
        .uspTile {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bgElevated);
            padding: 16px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .uspTile i { font-size: 1.5rem; color: var(--brandAccent); width: 30px; text-align: center; }
        .uspContent strong { display: block; color: var(--textPrimary); font-size: 1rem; }
        .uspContent p { margin: 0; font-size: 0.85rem; color: var(--textSecondary); }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 2rem;
        }
        .payCard {
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            text-align: center;
        }
        .payCard i { font-size: 1.5rem; color: var(--brandAccent); margin-bottom: 8px; }
        .payCard strong { display: block; margin-bottom: 8px; font-size: 0.9rem; }
        .payCard p { font-size: 0.8rem; color: var(--textSecondary); margin: 0; }

        .stepList { display: flex; flex-direction: column; gap: 20px; margin-bottom: 2rem; }
        .stepItem { display: flex; gap: 16px; align-items: flex-start; }
        .stepBadge {
            background: var(--brandAccent);
            color: var(--textBrandContrast);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .stepItem h3 { margin: 0 0 8px 0; }
        .stepItem a { color: inherit; }

        .downloadBox {
            background: var(--bgSurface);
            padding: 30px 20px;
            border-radius: var(--radiusLg);
            text-align: center;
            border: 1px solid var(--borderBrand);
            margin-bottom: 2rem;
        }
        .downloadBox p { margin-bottom: 1.5rem; color: var(--textSecondary); }

        .guideItem {
            background: var(--bgElevated);
            padding: 20px;
            border-radius: var(--radiusMd);
            margin-bottom: 16px;
            border: 1px solid var(--borderDefault);
        }
        .guideMeta { font-size: 0.75rem; color: var(--textMuted); margin-bottom: 8px; display: block; }

        .announcementGrid { display: flex; flex-direction: column; gap: 16px; margin-bottom: 2rem; }
        .announcementCard {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            display: flex;
            gap: 16px;
        }
        .announcementCard i { color: var(--brandAccent); font-size: 1.2rem; margin-top: 4px; }
        .announcementContent h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .announcementContent p { font-size: 0.9rem; color: var(--textSecondary); margin-bottom: 8px; }
        .announcementDate { font-size: 0.8rem; color: var(--textMuted); }

        .faqContainer { display: flex; flex-direction: column; gap: 12px; margin-bottom: 2rem; }
        details { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); }
        summary { padding: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        summary::-webkit-details-marker { display: none; }
        summary h3 { margin: 0; font-size: 1rem; color: var(--textPrimary); }
        .faqAnswer { padding: 0 16px 16px 16px; color: var(--textSecondary); font-size: 0.9rem; }

        .aboutBox { background: var(--bgSurface); padding: 24px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); margin-bottom: 2rem; }
        .teamCard {
            background: var(--bgElevated);
            padding: 20px;
            border-radius: var(--radiusMd);
            margin-top: 20px;
            border: 1px solid var(--borderBrand);
        }

        .securityBox { background: var(--bgSurface); padding: 24px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); margin-bottom: 2rem; }
        .securityLinks { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; }
        .securityLink { background: var(--bgElevated); padding: 8px 12px; border-radius: var(--radiusSm); font-size: 0.85rem; border: 1px solid var(--borderDefault); }

        footer {
            background: var(--bgSurface);
            padding: 40px 0 24px 0;
            border-top: 1px solid var(--borderDefault);
            margin-top: 4rem;
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            max-width: 600px;
            margin: 0 auto 32px auto;
            text-align: left;
        }
        .footerSitemap a { font-size: 0.85rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 24px; font-size: 0.9rem; }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); line-height: 1.4; }

        .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;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.7rem;
            text-decoration: none;
        }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--brandAccent); }

        .utilityLink { text-align: center; display: block; margin-top: 12px; color: var(--brandAccent); font-size: 0.9rem; }

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

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .catGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .stepList { flex-direction: row; }
            .stepItem { flex: 1; }
            .navigator { position: static; display: none; }
            header { padding: 24px 0; }
        }

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