:root {
            --brandPrimary: #0A2540;
            --brandPrimaryHover: #143B63;
            --brandSecondary: #C0C0C8;
            --brandSecondaryHover: #D8D8E0;
            --brandAccent: #00F5FF;
            --bgMain: #040B14;
            --bgSurface: #0B1624;
            --bgElevated: #152336;
            --bgOverlay: rgba(4, 11, 20, 0.8);
            --textPrimary: #E6F0FF;
            --textSecondary: #A0B1C5;
            --textMuted: #647B94;
            --textContrast: #040B14;
            --textLink: #00F5FF;
            --textLinkHover: #70F9FF;
            --btnBg: #00F5FF;
            --btnText: #040B14;
            --btnHoverBg: #70F9FF;
            --success: #00E676;
            --error: #FF5252;
            --warning: #FFD740;
            --info: #40C4FF;
            --borderDefault: #1C2D44;
            --borderStrong: #2D4261;
            --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);
            --glowCyan: 0 0 20px rgba(0, 245, 255, 0.4);
            --gradBrand: linear-gradient(135deg, #0A2540 0%, #00F5FF 100%);
            --gradHero: radial-gradient(circle at top right, #143B63 0%, #040B14 70%);
            --gradBtn: linear-gradient(180deg, #00F5FF 0%, #00D1DD 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 24px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, background 0.2s ease;
            border: none;
            text-align: center;
        }
        .btnPrimary { background: var(--gradBtn); color: var(--btnText); }
        .btnPrimary:hover { background: var(--btnHoverBg); 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;
            border-bottom: 1px solid var(--borderDefault);
        }
        .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%; }
        section { 
            padding: 40px 0; 
            content-visibility: auto; 
            contain-intrinsic-size: 1px 500px; 
        }

        h1 { font-size: clamp(1.6rem, 6.5vw, 2.75rem); line-height: 1.2; margin: 0 0 20px 0; color: var(--textPrimary); }
        h2 { font-size: clamp(1.3rem, 5.2vw, 2.25rem); line-height: 1.25; margin: 40px 0 20px 0; color: var(--textPrimary); }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.75rem); line-height: 1.3; margin: 0 0 12px 0; color: var(--textPrimary); }

        .heroSection { 
            background: var(--gradHero); 
            padding: 60px 20px; 
            border-radius: var(--radiusLg); 
            text-align: center; 
            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 30px; font-size: 1.2rem; }
        .heroTags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .tagPill { 
            background: rgba(0, 245, 255, 0.1); 
            border: 1px solid var(--borderBrand); 
            padding: 6px 16px; 
            border-radius: var(--radiusPill); 
            font-size: 0.85rem; 
            color: var(--textLink); 
        }

        .bannerLink { display: block; border-radius: var(--radiusMd); overflow: hidden; margin-bottom: 30px; }
        .bannerImg { aspect-ratio: 2 / 1; object-fit: cover; width: 100%; }

        .categoryGrid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
            margin-bottom: 40px; 
        }
        .categoryTile { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            text-align: center; 
            transition: border-color 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .categoryTile:hover { border-color: var(--brandAccent); }
        .categoryIcon { font-size: 2rem; color: var(--brandAccent); margin-bottom: 8px; }
        .categoryLabel { font-weight: 600; font-size: 1.1rem; color: var(--textPrimary); }
        .categoryDesc { font-size: 0.85rem; color: var(--textSecondary); }

        .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: transform 0.3s ease; 
        }
        .gameCard:hover { transform: translateY(-5px); border-color: var(--borderBrand); }
        .gameCardImg { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; }
        .gameCardInfo { padding: 12px; text-align: center; }
        .gameCardInfo h3 { font-size: 1rem; margin: 0; color: var(--textPrimary); }

        .factsContainer { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            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; }
        .factsLabel { color: var(--textMuted); font-weight: 500; width: 40%; }
        .factsValue { color: var(--textPrimary); text-align: right; }
        .factsFooter { margin-top: 16px; text-align: center; font-size: 0.85rem; }
        .factsFooter a { color: var(--textSecondary); }

        .tocContainer { 
            display: flex; 
            overflow-x: auto; 
            gap: 12px; 
            padding: 10px 0; 
            margin-bottom: 30px; 
            scrollbar-width: none; 
        }
        .tocContainer::-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(--borderStrong); color: var(--brandAccent); }

        .promoGrid { display: grid; gap: 20px; }
        .promoCard { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            border-radius: var(--radiusMd); 
            padding: 24px; 
            display: flex; 
            flex-direction: column; 
            gap: 16px;
            position: relative;
            overflow: hidden;
        }
        .promoCard::before { 
            content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--brandAccent); 
        }

        .uspBar { 
            display: grid; 
            gap: 20px; 
            margin-bottom: 40px; 
        }
        .uspItem { 
            display: flex; 
            gap: 16px; 
            background: var(--bgSurface); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            align-items: flex-start; 
            border: 1px solid var(--borderDefault); 
        }
        .uspIcon { font-size: 1.5rem; color: var(--brandAccent); }
        .uspContent strong { display: block; margin-bottom: 4px; font-size: 1.1rem; }
        .uspContent p { margin: 0; font-size: 0.9rem; color: var(--textSecondary); }

        .paymentGrid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 16px; 
        }
        .paymentCard { 
            background: var(--bgSurface); 
            border: 1px solid var(--borderDefault); 
            border-radius: var(--radiusMd); 
            padding: 20px; 
            text-align: center; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            gap: 12px; 
        }
        .paymentIcon { font-size: 2rem; color: var(--brandAccent); }
        .paymentName { font-weight: 600; font-size: 1rem; }
        .paymentDesc { font-size: 0.8rem; color: var(--textSecondary); }

        .guideSteps { display: grid; gap: 24px; }
        .guideStep { 
            display: flex; 
            gap: 20px; 
            align-items: flex-start; 
        }
        .stepBadge { 
            background: var(--gradBrand); 
            color: var(--textContrast); 
            min-width: 32px; 
            height: 32px; 
            border-radius: 50%; 
            display: flex; 
            align-items: center; 
            justify-content: center; 
            font-weight: 700; 
        }
        .stepContent h3 a { color: inherit; text-decoration: none; }

        .appSection { 
            background: var(--bgSurface); 
            border-radius: var(--radiusMd); 
            padding: 30px 20px; 
            text-align: center; 
            border: 1px solid var(--borderDefault); 
        }
        .appContent { margin-bottom: 24px; color: var(--textSecondary); }

        .announcementGrid { display: grid; gap: 16px; }
        .announcementCard { 
            background: var(--bgElevated); 
            padding: 20px; 
            border-radius: var(--radiusMd); 
            display: flex; 
            gap: 16px; 
            border-left: 4px solid var(--brandAccent); 
        }
        .annoDate { font-size: 0.8rem; color: var(--textMuted); display: block; margin-top: 8px; }

        .faqContainer { display: grid; gap: 12px; }
        .faqItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); }
        .faqItem summary { padding: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
        .faqItem summary h3 { font-size: 1.1rem; margin: 0; }
        .faqAnswer { padding: 0 16px 16px; color: var(--textSecondary); font-size: 0.95rem; }

        .aboutSection { background: var(--bgSurface); padding: 30px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .teamCard { 
            margin-top: 30px; 
            padding: 20px; 
            background: var(--bgElevated); 
            border-radius: var(--radiusMd); 
            border: 1px solid var(--borderBrand); 
        }

        .securitySection { text-align: center; background: var(--bgSurface); padding: 30px 20px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .securityLinks { display: flex; justify-content: center; gap: 20px; margin: 20px 0; flex-wrap: wrap; }

        footer { 
            background: var(--bgSurface); 
            padding: 40px 0 20px; 
            border-top: 1px solid var(--borderDefault); 
            text-align: center; 
        }
        .footerSitemap { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 12px; 
            max-width: 800px; 
            margin: 0 auto 30px; 
            text-align: center; 
        }
        .footerSitemap a { color: var(--textSecondary); font-size: 0.9rem; }
        .footerContact { margin-bottom: 20px; font-size: 0.95rem; }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); max-width: 700px; margin: 0 auto; }

        .navigator { 
            position: fixed; 
            inset-inline: 0; 
            bottom: 0; 
            background: var(--bgSurface); 
            border-top: 1px solid var(--borderDefault); 
            display: flex; 
            justify-content: space-around; 
            padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); 
            z-index: 1000; 
            backdrop-filter: blur(10px); 
        }
        .navItem { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--textSecondary); font-size: 0.75rem; }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--brandAccent); }

        .utilLink { 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 { grid-template-columns: repeat(3, 1fr); }
            .uspBar { grid-template-columns: repeat(2, 1fr); }
        }

        @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); }
        }