:root {
            --primary: #0A2540;
            --primaryHover: #143A63;
            --secondary: #C0C0C8;
            --secondaryHover: #E2E2EA;
            --accent: #00F5FF;
            --bgMain: #050D17;
            --bgSurface: #0C1828;
            --bgElevated: #15233A;
            --textPrimary: #E6F1FF;
            --textSecondary: #B0C4DE;
            --textMuted: #6B83A1;
            --btnBg: #00F5FF;
            --btnText: #050D17;
            --btnHoverBg: #70F9FF;
            --borderDefault: #1C2D44;
            --borderBrand: rgba(0, 245, 255, 0.4);
            --radiusSm: 6px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --glassBorder: 1px solid rgba(0, 245, 255, 0.2);
        }

        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 { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent); text-decoration: none; transition: 0.3s; }
        a:hover { color: var(--btnHoverBg); }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        .headerLogo { display: flex; align-items: center; gap: 8px; }
        .headerLogo strong { font-size: 16px; font-weight: normal; color: var(--textPrimary); }
        .headerActions { display: flex; gap: 12px; }
        .btnNav {
            padding: 8px 16px;
            border-radius: var(--radiusSm);
            font-weight: 600;
            font-size: 0.875rem;
        }
        .btnNavLogin { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
        .btnNavRegister { background: var(--btnBg); color: var(--btnText); }

        main { width: 100%; max-width: 1200px; margin: 0 auto; }
        
        .heroSection { text-align: center; padding: 40px 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 20px; color: var(--textPrimary); }
        .heroIntro { color: var(--textSecondary); margin-bottom: 30px; max-width: 800px; margin-inline: auto; }
        .heroCta {
            display: block;
            width: 100%;
            background: linear-gradient(180deg, var(--btnBg) 0%, #00D1DB 100%);
            color: var(--btnText);
            text-align: center;
            padding: 16px;
            border-radius: var(--radiusMd);
            font-weight: 700;
            font-size: 1.25rem;
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.6);
            margin-bottom: 24px;
        }
        .heroTags { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
        .heroTag {
            background: var(--bgElevated);
            border: var(--glassBorder);
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            color: var(--textSecondary);
        }

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

        .categoryGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }
        .categoryTile {
            background: var(--bgSurface);
            border: var(--glassBorder);
            padding: 20px;
            border-radius: var(--radiusMd);
            text-align: center;
            transition: 0.3s;
        }
        .categoryTile:hover { background: var(--bgElevated); transform: translateY(-5px); }
        .categoryTile i { font-size: 2rem; color: var(--accent); margin-bottom: 10px; }
        .categoryTile strong { display: block; margin-bottom: 8px; color: var(--textPrimary); }
        .categoryTile span { font-size: 0.8rem; color: var(--textMuted); }

        .gameSection { content-visibility: auto; contain-intrinsic-size: 1000px; margin-bottom: 50px; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 20px; color: var(--textPrimary); }
        .gameGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .gameCard {
            background: var(--bgSurface);
            border-radius: var(--radiusMd);
            overflow: hidden;
            border: var(--glassBorder);
            transition: 0.3s;
        }
        .gameCard:hover { transform: scale(1.02); border-color: var(--accent); }
        .gameCard img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .gameCard h3 {
            font-size: 1rem;
            padding: 12px;
            margin: 0;
            text-align: center;
            color: var(--textSecondary);
        }

        .factsSection { margin-bottom: 50px; }
        .freshnessNotice { font-style: italic; color: var(--textMuted); font-size: 0.875rem; margin-bottom: 15px; }
        .factsTable { width: 100%; border-collapse: collapse; background: var(--bgSurface); border-radius: var(--radiusMd); overflow: hidden; }
        .factsTable td { padding: 12px 15px; 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; text-align: center; margin-top: 15px; font-size: 0.875rem; color: var(--textMuted); }

        .tocNav {
            display: flex;
            overflow-x: auto;
            gap: 10px;
            padding: 10px 0;
            margin-bottom: 30px;
            scrollbar-width: none;
        }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink {
            white-space: nowrap;
            background: var(--bgElevated);
            padding: 8px 16px;
            border-radius: var(--radiusSm);
            font-size: 0.875rem;
            border: var(--glassBorder);
        }

        .promoGrid { display: flex; flex-direction: column; gap: 20px; }
        .promoCard {
            background: var(--bgSurface);
            border: var(--glassBorder);
            padding: 25px;
            border-radius: var(--radiusLg);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .promoCard h3 { margin: 0; color: var(--accent); }
        .promoCard p { margin: 0; color: var(--textSecondary); font-size: 0.95rem; }
        .promoBtn {
            align-self: flex-start;
            padding: 10px 20px;
            background: var(--btnBg);
            color: var(--btnText);
            border-radius: var(--radiusSm);
            font-weight: 600;
        }

        .uspGrid { display: grid; gap: 20px; margin-bottom: 50px; }
        .uspTile {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: var(--glassBorder);
        }
        .uspTile i { font-size: 1.5rem; color: var(--accent); width: 30px; text-align: center; }
        .uspTile strong { display: block; color: var(--textPrimary); margin-bottom: 4px; }
        .uspTile span { font-size: 0.875rem; color: var(--textSecondary); }

        .paymentGrid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 50px;
        }
        .payCard {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: var(--glassBorder);
            text-align: center;
        }
        .payCard i { font-size: 2rem; color: var(--accent); margin-bottom: 10px; }
        .payCard strong { display: block; margin-bottom: 8px; color: var(--textPrimary); }
        .payCard p { font-size: 0.8rem; color: var(--textSecondary); margin: 0; }

        .guideSteps { display: flex; flex-direction: column; gap: 20px; }
        .guideStep {
            display: flex;
            gap: 20px;
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: var(--glassBorder);
        }
        .stepNum {
            min-width: 40px;
            height: 40px;
            background: var(--accent);
            color: var(--btnText);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .stepContent h3 { margin: 0 0 10px 0; color: var(--textPrimary); }
        .stepContent h3 a { color: inherit; }
        .stepContent p { margin: 0; color: var(--textSecondary); font-size: 0.9rem; }

        .downloadSection {
            background: var(--bgElevated);
            padding: 30px;
            border-radius: var(--radiusLg);
            text-align: center;
            margin-bottom: 50px;
        }
        .downloadBtn {
            display: inline-block;
            padding: 15px 30px;
            background: var(--btnBg);
            color: var(--btnText);
            border-radius: var(--radiusMd);
            font-weight: 700;
            margin-top: 20px;
        }

        .playerGuideGrid { display: flex; flex-direction: column; gap: 20px; }
        .guideItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: var(--glassBorder);
        }
        .guideItem h3 { margin: 0 0 5px 0; color: var(--accent); }
        .guideItem .meta { font-size: 0.8rem; color: var(--textMuted); margin-bottom: 10px; display: block; }
        .guideItem p { margin: 0; color: var(--textSecondary); }

        .announcementGrid { display: flex; flex-direction: column; gap: 15px; }
        .announcementItem {
            background: var(--bgSurface);
            padding: 20px;
            border-radius: var(--radiusMd);
            border: var(--glassBorder);
            display: flex;
            gap: 15px;
        }
        .announcementItem i { color: var(--accent); font-size: 1.2rem; }
        .announcementText h3 { margin: 0 0 8px 0; font-size: 1.1rem; }
        .announcementText p { margin: 0 0 8px 0; font-size: 0.9rem; color: var(--textSecondary); }
        .announcementDate { font-size: 0.75rem; color: var(--textMuted); }

        .faqContainer { display: flex; flex-direction: column; gap: 15px; }
        details { background: var(--bgSurface); border: var(--glassBorder); border-radius: var(--radiusMd); }
        summary { padding: 15px; cursor: pointer; list-style: none; }
        summary h3 { margin: 0; font-size: 1.1rem; color: var(--textPrimary); display: flex; justify-content: space-between; }
        summary h3::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.8rem; }
        .faqAnswer { padding: 0 15px 15px 15px; color: var(--textSecondary); font-size: 0.95rem; }

        .aboutSection { background: var(--bgSurface); padding: 30px; border-radius: var(--radiusLg); border: var(--glassBorder); margin-bottom: 50px; }
        .teamCard {
            background: var(--bgElevated);
            padding: 20px;
            border-radius: var(--radiusMd);
            margin-top: 25px;
            border-left: 4px solid var(--accent);
        }
        .teamCard h3 { margin: 0 0 10px 0; font-size: 1.2rem; }
        .teamCard p { margin: 0 0 10px 0; font-size: 0.9rem; color: var(--textSecondary); }

        .securitySection { padding: 30px; background: var(--bgElevated); border-radius: var(--radiusLg); text-align: center; }
        .securityLinks { display: flex; justify-content: center; gap: 20px; margin: 20px 0; flex-wrap: wrap; }
        .securityLink { background: var(--bgSurface); padding: 10px 20px; border-radius: var(--radiusSm); border: var(--glassBorder); font-size: 0.9rem; }

        footer {
            background: var(--bgSurface);
            padding: 40px 0 20px 0;
            margin-top: 50px;
            border-top: var(--glassBorder);
            text-align: center;
        }
        .footerSitemap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
            text-align: left;
            max-width: 800px;
            margin-inline: auto;
        }
        .footerSitemap a { color: var(--textSecondary); font-size: 0.9rem; }
        .footerContact { margin-bottom: 20px; color: var(--textSecondary); }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); padding: 0 20px; }

        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bgSurface);
            border-top: var(--glassBorder);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .navItem { text-align: center; color: var(--textSecondary); font-size: 0.7rem; flex: 1; }
        .navItem i { display: block; font-size: 1.2rem; margin-bottom: 4px; }
        .navItem strong { display: block; font-weight: normal; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .categoryGrid { grid-template-columns: repeat(3, 1fr); }
            .gameGrid { grid-template-columns: repeat(4, 1fr); }
            .paymentGrid { grid-template-columns: repeat(4, 1fr); }
            .guideSteps { flex-direction: row; flex-wrap: wrap; }
            .guideStep { width: calc(50% - 10px); }
            .navigator { position: static; height: auto; padding: 0; display: none; }
            .footerSitemap { grid-template-columns: repeat(5, 1fr); }
        }

        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .categoryGrid { grid-template-columns: repeat(4, 1fr); }
        }
        
        .utilLink { color: var(--accent); font-weight: 600; text-decoration: underline; }