:root {
            --brandPrimary: #0A2540;
            --brandPrimaryHover: #13365C;
            --brandSecondary: #C0C0C8;
            --brandSecondaryHover: #E0E0E8;
            --brandAccent: #00F2FF;
            --bgMain: #050D18;
            --bgSurface: #0C1726;
            --bgElevated: #152235;
            --bgOverlay: rgba(5, 13, 24, 0.8);
            --textPrimary: #E6F0FF;
            --textSecondary: #A0B1C5;
            --textMuted: #6B7C91;
            --textContrast: #050D18;
            --textLink: #00F2FF;
            --textLinkHover: #70F7FF;
            --btnBg: #00F2FF;
            --btnText: #050D18;
            --btnBgHover: #70F7FF;
            --semanticSuccess: #00FF9D;
            --semanticError: #FF4D6D;
            --semanticWarning: #FFB800;
            --semanticInfo: #4D96FF;
            --borderDefault: #1E2C3E;
            --borderStrong: #2D3F54;
            --borderBrand: #00F2FF;
            --radiusSm: 4px;
            --radiusMd: 8px;
            --radiusLg: 16px;
            --radiusPill: 9999px;
            --shadowCard: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadowElevated: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadowGlow: 0 0 15px rgba(0, 242, 255, 0.5);
            --gradBrand: linear-gradient(135deg, #00F2FF 0%, #00B4DB 100%);
            --gradHero: radial-gradient(circle at center, #152235 0%, #050D18 100%);
            --gradBtn: linear-gradient(to right, #00F2FF, #00C2D1);
        }

        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bgMain);
            color: var(--textPrimary);
            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;
        }

        h1, h2, h3 {
            font-family: 'Rajdhani', sans-serif;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-top: 2rem;
            color: var(--textPrimary);
        }

        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin-bottom: 1rem; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-bottom: 1.5rem; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-bottom: 0.75rem; }

        a { color: var(--textLink); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--textLinkHover); }

        img { max-width: 100%; height: auto; display: block; }

        .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;
            transition: all 0.2s;
            border: none;
            text-align: center;
        }

        .btnPrimary {
            background: var(--gradBtn);
            color: var(--textContrast);
            box-shadow: var(--shadowGlow);
        }
        .btnPrimary:hover { background: var(--btnBgHover); transform: translateY(-2px); }

        .btnSecondary {
            background-color: var(--bgElevated);
            color: var(--textPrimary);
            border: 1px solid var(--borderStrong);
        }
        .btnSecondary:hover { background-color: var(--brandPrimaryHover); }

        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; }
        .headerLogo strong { font-size: 16px; font-weight: 400; }
        .headerNav { display: flex; gap: 12px; }

        main { width: 100%; }

        .heroSection {
            text-align: center;
            padding: 40px 0;
            background: var(--gradHero);
            border-radius: var(--radiusLg);
            margin-bottom: 30px;
        }
        .heroIntro { max-width: 800px; margin: 0 auto 24px; color: var(--textSecondary); }
        .heroPills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
        .heroPill {
            background: var(--bgSurface);
            border: 1px solid var(--borderBrand);
            color: var(--brandAccent);
            padding: 4px 12px;
            border-radius: var(--radiusPill);
            font-size: 0.875rem;
        }

        .bannerWrap { margin: 20px 0; border-radius: var(--radiusMd); overflow: hidden; }
        .bannerImg { width: 100%; aspect-ratio: 2/1; object-fit: cover; }

        .catGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 30px 0;
        }
        .catTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            transition: border-color 0.3s;
        }
        .catTile:hover { border-color: var(--brandAccent); }
        .catTile i { font-size: 2rem; color: var(--brandAccent); margin-bottom: 12px; }
        .catTile span { display: block; font-weight: 600; margin-bottom: 8px; }
        .catTile p { font-size: 0.875rem; color: var(--textSecondary); margin: 0; }

        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin: 20px 0;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: 1px solid var(--borderDefault);
            transition: transform 0.2s;
        }
        .gameCard:hover { transform: scale(1.02); border-color: var(--brandAccent); }
        .gameCard img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .gameCard h3 { font-size: 1rem; padding: 12px; margin: 0; text-align: center; }

        .factsTable {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
        }
        .factsTable td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--borderDefault);
        }
        .factsTable td:first-child { font-weight: 600; color: var(--textSecondary); width: 40%; }
        .factsFreshness { font-style: italic; color: var(--textMuted); font-size: 0.875rem; margin-bottom: 10px; }
        .factsTerms { display: block; text-align: center; margin-top: 10px; font-size: 0.875rem; color: var(--textSecondary); }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 12px;
            padding: 16px 0;
            margin: 30px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            background: var(--bgElevated);
            padding: 8px 16px;
            border-radius: var(--radiusPill);
            white-space: nowrap;
            font-size: 0.875rem;
            border: 1px solid var(--borderStrong);
        }

        .promoGrid { display: grid; gap: 16px; margin: 20px 0; }
        .promoCard {
            background: var(--bgSurface);
            border-left: 4px solid var(--brandAccent);
            padding: 24px;
            border-radius: var(--radiusMd);
            box-shadow: var(--shadowCard);
        }
        .promoCard h3 { margin-top: 0; }

        .uspBar {
            display: grid;
            gap: 16px;
            margin: 30px 0;
        }
        .uspTile {
            display: flex;
            gap: 16px;
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            align-items: center;
        }
        .uspTile i { font-size: 1.5rem; color: var(--brandAccent); min-width: 30px; }
        .uspTile strong { display: block; font-size: 1.1rem; }
        .uspTile p { margin: 0; font-size: 0.875rem; color: var(--textSecondary); }

        .stepList { display: grid; gap: 20px; margin: 20px 0; }
        .stepItem {
            display: flex;
            gap: 16px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            align-items: flex-start;
        }
        .stepNum {
            background: var(--gradBrand);
            color: var(--textContrast);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .stepContent h3 a { color: inherit; text-decoration: none; }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 20px 0;
        }
        .payCard {
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            text-align: center;
            border: 1px solid var(--borderDefault);
        }
        .payCard i { font-size: 1.5rem; color: var(--brandAccent); margin-bottom: 10px; }
        .payCard strong { display: block; margin-bottom: 8px; }
        .payCard p { font-size: 0.75rem; color: var(--textSecondary); margin: 0; }

        .guideList { display: grid; gap: 16px; margin: 20px 0; }
        .guideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .guideMeta { font-size: 0.75rem; color: var(--textMuted); margin-bottom: 10px; display: block; }

        .announcementList { display: grid; gap: 16px; margin: 20px 0; }
        .announcementItem {
            background: var(--bgSurface);
            padding: 16px;
            border-radius: var(--radiusMd);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .announcementItem i { color: var(--brandAccent); margin-top: 4px; }
        .announcementDate { font-size: 0.75rem; color: var(--textMuted); display: block; margin-top: 8px; }

        .faqSection { margin: 30px 0; }
        .faqItem {
            background: var(--bgSurface);
            margin-bottom: 12px;
            border-radius: var(--radiusMd);
            border: 1px solid var(--borderDefault);
        }
        .faqItem summary {
            padding: 16px;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faqItem summary h3 { margin: 0; font-size: 1.1rem; }
        .faqAnswer { padding: 0 16px 16px; color: var(--textSecondary); border-top: 1px solid var(--borderDefault); padding-top: 16px; }

        .trustCard {
            background: var(--bgElevated);
            padding: 24px;
            border-radius: var(--radiusLg);
            margin-top: 24px;
            border: 1px solid var(--borderStrong);
        }

        footer {
            margin-top: 40px;
            padding: 40px 0;
            border-top: 1px solid var(--borderDefault);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 30px;
        }
        .footerSitemap a { font-size: 0.875rem; color: var(--textSecondary); }
        .footerContact { margin-bottom: 20px; font-size: 0.875rem; }
        .footerLegal { font-size: 0.75rem; color: var(--textMuted); max-width: 600px; margin: 0 auto; }

        .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: 1000;
        }
        .navItem {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: var(--textSecondary);
            font-size: 0.7rem;
        }
        .navItem i { font-size: 1.2rem; }

        .utilityLink {
            display: block;
            text-align: center;
            margin-top: 20px;
            font-weight: 600;
            color: var(--brandAccent);
        }

        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(2, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            .heroSection { padding: 60px 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); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .footerSitemap { grid-template-columns: repeat(5, 1fr); }
        }