:root {
            --brandPrimary: #1E40AF;
            --brandPrimaryHover: #2563EB;
            --brandSecondary: #E2E8F0;
            --brandSecondaryHover: #F8FAFC;
            --brandAccent: #06B6D4;
            --bgMain: #050B18;
            --bgSurface: #0D1628;
            --bgElevated: #16223A;
            --bgOverlay: rgba(5, 11, 24, 0.75);
            --textPrimary: #F1F5F9;
            --textSecondary: #CBD5E1;
            --textMuted: #94A3B8;
            --textBrandContrast: #083344;
            --textLink: #22D3EE;
            --textLinkHover: #BBF7D0;
            --btnBg: #06B6D4;
            --btnText: #083344;
            --btnBgHover: #22D3EE;
            --btnTextHover: #083344;
            --borderDefault: #1E293B;
            --borderStrong: #334155;
            --borderBrand: #06B6D4;
            --radiusSm: 4px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --radiusPill: 9999px;
            --shadowCard: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadowElevated: 0 10px 40px rgba(0, 0, 0, 0.6);
            --shadowGlow: 0 0 15px rgba(6, 182, 212, 0.5);
            --gradBrand: linear-gradient(135deg, #1E40AF 0%, #06B6D4 100%);
            --gradHero: radial-gradient(circle at top right, #1E3A8A 0%, #050B18 70%);
            --gradBtn: linear-gradient(to bottom, #06B6D4 0%, #0891B2 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;
            transition: all 0.3s ease;
            border: none;
            text-align: center;
            text-decoration: none;
        }
        .ctaPrimary {
            background: var(--gradBtn);
            color: var(--btnText);
            box-shadow: var(--shadowGlow);
        }
        .ctaPrimary:hover {
            background: var(--btnBgHover);
            color: var(--btnTextHover);
            transform: translateY(-2px);
        }
        .ctaSecondary {
            background: var(--bgElevated);
            color: var(--textPrimary);
            border: 1px solid var(--borderBrand);
        }
        .ctaSecondary:hover {
            background: var(--borderStrong);
        }
        h1 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin: 0 0 1rem; color: var(--textPrimary); font-weight: 800; }
        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: 1rem; color: var(--textPrimary); font-weight: 700; }
        h3 { font-family: 'Be Vietnam Pro', sans-serif; font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin: 0 0 0.5rem; color: var(--textPrimary); font-weight: 600; }
        
        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            background: rgba(13, 22, 40, 0.8);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--borderDefault);
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: 400; color: var(--textPrimary); }
        .headerNav { display: flex; gap: 10px; }

        main { width: 100%; }
        
        .heroSection {
            background: var(--gradHero);
            padding: 2rem 0;
            text-align: center;
        }
        .heroIntro { max-width: 800px; margin: 0 auto 2rem; padding: 0 1rem; }
        .heroIntro p { color: var(--textSecondary); margin-bottom: 2rem; }
        .heroCta { width: 100%; max-width: 400px; margin: 0 auto; display: block; }
        .heroTags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 2rem;
        }
        .heroTag {
            background: rgba(6, 182, 212, 0.1);
            border: 1px solid var(--brandAccent);
            color: var(--brandAccent);
            padding: 4px 12px;
            border-radius: var(--radiusPill);
            font-size: 0.85rem;
        }

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

        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 2rem 0;
        }
        .categoryTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            padding: 1.5rem 1rem;
            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: var(--textPrimary); margin-bottom: 4px; }
        .categoryTile p { font-size: 0.8rem; color: var(--textMuted); margin: 0; }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 3rem;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: transform 0.2s ease;
        }
        .gameCard:hover { transform: scale(1.02); border-color: var(--brandAccent); }
        .gameCard img { aspect-ratio: 1/1; width: 100%; object-fit: cover; }
        .gameCard h3 { padding: 10px; font-size: 1rem; text-align: center; margin: 0; }

        .factsSection {
            background: var(--bgSurface);
            border-radius: var(--radiusLg);
            padding: 2rem;
            margin: 2rem 0;
            border: 1px solid var(--borderStrong);
        }
        .freshnessNotice { font-style: italic; color: var(--textMuted); font-size: 0.9rem; margin-bottom: 1.5rem; display: block; }
        .factsTable { width: 100%; border-collapse: collapse; }
        .factsTable td { padding: 12px; border-bottom: 1px solid var(--borderDefault); }
        .factsTable td:first-child { font-weight: 600; color: var(--textSecondary); width: 40%; }
        .factsTable td:last-child { color: var(--textPrimary); }
        .termsLink { display: block; margin-top: 1rem; font-size: 0.85rem; color: var(--textMuted); text-align: center; }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 1rem 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            background: var(--bgElevated);
            color: var(--textPrimary);
            padding: 8px 16px;
            border-radius: var(--radiusPill);
            white-space: nowrap;
            font-size: 0.9rem;
            border: 1px solid var(--borderDefault);
        }
        .tocLink:hover { border-color: var(--brandAccent); background: var(--bgSurface); }

        .promoSection { margin: 3rem 0; }
        .promoCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--brandAccent);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .promoCard h3 { margin: 0; }
        .promoCard p { color: var(--textSecondary); margin: 0; }

        .uspBar { display: grid; gap: 15px; margin: 3rem 0; }
        .uspTile {
            background: var(--bgElevated);
            padding: 1.5rem;
            border-radius: var(--radiusMd);
            display: flex;
            align-items: center;
            gap: 15px;
            border: 1px solid var(--borderDefault);
        }
        .uspTile i { font-size: 1.5rem; color: var(--brandAccent); }
        .uspTile strong { display: block; color: var(--textPrimary); font-size: 1.1rem; }
        .uspTile p { margin: 0; color: var(--textSecondary); font-size: 0.9rem; }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 2rem 0;
        }
        .paymentCard {
            background: var(--bgSurface);
            padding: 1.2rem;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .paymentCard i { font-size: 1.8rem; color: var(--brandAccent); }
        .paymentCard strong { color: var(--textPrimary); font-size: 0.95rem; }
        .paymentCard p { font-size: 0.8rem; color: var(--textMuted); margin: 0; }

        .guideList { display: grid; gap: 20px; margin: 2rem 0; }
        .guideStep {
            display: flex;
            gap: 20px;
            background: var(--bgSurface);
            padding: 1.5rem;
            border-radius: var(--radiusMd);
            align-items: flex-start;
        }
        .stepNum {
            background: var(--brandAccent);
            color: var(--btnText);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }
        .guideStep h3 { margin: 0 0 8px; }
        .guideStep a { color: inherit; }

        .downloadSection {
            background: var(--bgElevated);
            padding: 2rem;
            border-radius: var(--radiusLg);
            text-align: center;
            margin: 3rem 0;
        }
        .downloadSection p { color: var(--textSecondary); margin-bottom: 2rem; }

        .announcementList { display: grid; gap: 15px; margin: 2rem 0; }
        .announcementItem {
            background: var(--bgSurface);
            padding: 1.2rem;
            border-radius: var(--radiusMd);
            display: flex;
            gap: 15px;
            border: 1px solid var(--borderDefault);
        }
        .announcementItem i { color: var(--brandAccent); margin-top: 4px; }
        .announcementDate { font-size: 0.8rem; color: var(--textMuted); display: block; margin-bottom: 5px; }

        .faqContainer { margin: 3rem 0; }
        .faqItem {
            background: var(--bgSurface);
            margin-bottom: 10px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
            overflow: hidden;
        }
        .faqItem summary { padding: 1.2rem; cursor: pointer; list-style: none; display: flex; align-items: center; }
        .faqItem summary::-webkit-details-marker { display: none; }
        .faqItem summary h3 { margin: 0; font-size: 1rem; }
        .faqItem p { padding: 0 1.2rem 1.2rem; color: var(--textSecondary); margin: 0; }

        .aboutSection {
            background: var(--bgSurface);
            padding: 2rem;
            border-radius: var(--radiusLg);
            margin: 3rem 0;
            border: 1px solid var(--borderStrong);
        }
        .teamCard {
            background: var(--bgElevated);
            padding: 1.5rem;
            border-radius: var(--radiusMd);
            margin-top: 2rem;
            border: 1px solid var(--brandAccent);
        }

        .securitySection {
            border-top: 1px solid var(--borderStrong);
            padding-top: 2rem;
            margin-top: 3rem;
        }
        .securityGrid { display: grid; gap: 20px; margin-bottom: 2rem; }
        .securityBox { background: var(--bgSurface); padding: 1.2rem; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }

        footer {
            background: var(--bgSurface);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-top: 1px solid var(--borderStrong);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            max-width: 800px;
            margin: 0 auto 2rem;
            text-align: left;
        }
        .footerSitemap a { font-size: 0.9rem; color: var(--textSecondary); }
        .contactLine { margin-bottom: 2rem; color: var(--textSecondary); }
        .legalLine { font-size: 0.8rem; color: var(--textMuted); line-height: 1.5; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            background: rgba(13, 22, 40, 0.95);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            padding: 10px 0 calc(10px + env(safe-area-inset-bottom, 0px));
            border-top: 1px solid var(--borderBrand);
            z-index: 1000;
        }
        .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); }

        .utilLink { color: var(--textLink); font-size: 0.9rem; 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); }
            .navigator { position: static; display: none; }
            .heroIntro { padding: 0; }
        }
        @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); }
            .footerSitemap { grid-template-columns: repeat(5, 1fr); }
        }