:root {
            --primary: #0077B6;
            --primaryHover: #0096D6;
            --secondary: #C0C0C8;
            --secondaryHover: #D9D9E3;
            --accent: #00F5FF;
            --bgMain: #050A14;
            --bgSurface: #0D1526;
            --bgElevated: #16213B;
            --textPrimary: #E6F1FF;
            --textSecondary: #B0C4DE;
            --textMuted: #778899;
            --borderDefault: #1C2D4B;
            --borderStrong: #2D4472;
            --borderBrand: #00F5FF;
            --radiusSm: 6px;
            --radiusMd: 12px;
            --radiusLg: 24px;
            --radiusPill: 9999px;
            --shadowCard: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
            --gradBrand: linear-gradient(135deg, #0077B6 0%, #00F5FF 100%);
            --gradButton: linear-gradient(180deg, #0096D6 0%, #0077B6 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 { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent); text-decoration: none; transition: color 0.3s; }
        a:hover { color: #B0F7FF; }
        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; color: var(--textPrimary); }
        .headerActions { display: flex; gap: 12px; }
        .btnBase {
            min-height: 44px;
            min-inline-size: 44px;
            padding: 10px 20px;
            border-radius: var(--radiusMd);
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }
        .btnPrimary { background: var(--gradButton); color: #FFFFFF; border: none; }
        .btnPrimary:hover { background: var(--accent); color: var(--bgMain); transform: translateY(-2px); }
        .btnOutline { border: 1px solid var(--primary); color: var(--textPrimary); background: transparent; }
        .btnOutline:hover { background: var(--primary); color: #FFFFFF; }
        main { width: 100%; }
        .heroSection { padding: 40px 0; text-align: center; }
        .heroH1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 20px; color: var(--textPrimary); }
        .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 24px; font-size: 1.2rem; }
        .featurePills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
        .pill { background: var(--bgElevated); border: 1px solid var(--borderStrong); padding: 6px 14px; border-radius: var(--radiusPill); font-size: 0.85rem; color: var(--textSecondary); }
        .bannerLink { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: var(--radiusMd); }
        .bannerImg { width: 100%; height: 100%; object-fit: cover; }
        .catGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 40px 0; }
        .catTile {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
            text-decoration: none;
        }
        .catTile:hover { border-color: var(--accent); background: var(--bgElevated); transform: translateY(-5px); }
        .catIcon { font-size: 2rem; color: var(--accent); margin-bottom: 12px; display: block; }
        .catLabel { display: block; font-weight: 600; color: var(--textPrimary); margin-bottom: 8px; }
        .catDesc { font-size: 0.85rem; color: var(--textSecondary); display: block; }
        .gameGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 40px; }
        .gameCard {
            background: var(--bgSurface);
            border: 1px solid var(--borderDefault);
            border-radius: var(--radiusMd);
            overflow: hidden;
            text-decoration: none;
            transition: all 0.3s;
        }
        .gameCard:hover { border-color: var(--accent); transform: scale(1.03); }
        .gameImg { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .gameInfo { padding: 12px; text-align: center; }
        .gameTitle { font-size: 1rem; color: var(--textPrimary); margin: 0; }
        .sectionTitle { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin: 40px 0 20px; color: var(--textPrimary); }
        .factsContainer { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 24px; margin-bottom: 20px; }
        .freshNotice { font-style: italic; color: var(--textMuted); font-size: 0.9rem; margin-bottom: 16px; display: block; }
        .factsTable { width: 100%; border-collapse: collapse; }
        .factsRow { border-bottom: 1px solid var(--borderDefault); }
        .factsLabel { padding: 12px 0; color: var(--textSecondary); font-weight: 500; width: 40%; }
        .factsValue { padding: 12px 0; color: var(--textPrimary); text-align: right; }
        .termsLink { display: block; text-align: center; margin-top: 16px; font-size: 0.85rem; color: var(--textMuted); }
        .tocNav { display: flex; overflow-x: auto; gap: 12px; padding: 16px 0; scrollbar-width: none; }
        .tocNav::-webkit-scrollbar { display: none; }
        .tocLink { white-space: nowrap; background: var(--bgElevated); padding: 8px 16px; border-radius: var(--radiusPill); border: 1px solid var(--borderDefault); font-size: 0.9rem; }
        .promoList { display: flex; flex-direction: column; gap: 20px; }
        .promoCard { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 24px; transition: all 0.3s; }
        .promoCard:hover { border-color: var(--primary); background: var(--bgElevated); }
        .promoTitle { margin-top: 0; color: var(--textPrimary); }
        .promoText { color: var(--textSecondary); margin-bottom: 20px; }
        .uspGrid { display: flex; flex-direction: column; gap: 16px; margin: 40px 0; }
        .uspTile { display: flex; align-items: center; gap: 16px; background: var(--bgSurface); padding: 20px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .uspIcon { font-size: 1.5rem; color: var(--accent); width: 40px; text-align: center; }
        .uspContent strong { display: block; color: var(--textPrimary); font-size: 1.1rem; }
        .uspContent p { margin: 4px 0 0; font-size: 0.9rem; color: var(--textSecondary); }
        .paymentGrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .payCard { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 20px; text-align: center; }
        .payIcon { font-size: 2rem; color: var(--accent); margin-bottom: 12px; display: block; }
        .payName { display: block; font-weight: 600; margin-bottom: 8px; }
        .payDesc { font-size: 0.8rem; color: var(--textSecondary); line-height: 1.4; }
        .guideList { display: flex; flex-direction: column; gap: 20px; }
        .guideStep { display: flex; gap: 20px; align-items: flex-start; background: var(--bgSurface); padding: 20px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .stepNum { background: var(--primary); color: #fff; min-width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }
        .stepContent h3 { margin: 0 0 10px; color: var(--textPrimary); }
        .stepContent a { color: inherit; text-decoration: none; }
        .stepContent p { margin: 0; color: var(--textSecondary); font-size: 0.95rem; }
        .appSection { background: var(--bgElevated); border-radius: var(--radiusLg); padding: 30px 20px; text-align: center; margin: 40px 0; }
        .appText { color: var(--textSecondary); margin-bottom: 24px; }
        .guideItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 20px; margin-bottom: 16px; }
        .guideMeta { font-size: 0.8rem; color: var(--textMuted); margin-bottom: 12px; display: block; }
        .announcementList { display: flex; flex-direction: column; gap: 16px; }
        .announceCard { display: flex; gap: 16px; background: var(--bgSurface); padding: 20px; border-radius: var(--radiusMd); border: 1px solid var(--borderDefault); }
        .announceIcon { font-size: 1.2rem; color: var(--accent); }
        .announceBody h3 { margin: 0 0 8px; font-size: 1.1rem; color: var(--textPrimary); }
        .announceBody p { margin: 0 0 8px; font-size: 0.9rem; color: var(--textSecondary); }
        .announceDate { font-size: 0.8rem; color: var(--textMuted); }
        .faqList { display: flex; flex-direction: column; gap: 12px; }
        .faqItem { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); }
        .faqSummary { padding: 16px; cursor: pointer; list-style: none; display: flex; align-items: center; }
        .faqSummary h3 { margin: 0; font-size: 1.1rem; color: var(--textPrimary); pointer-events: none; }
        .faqAnswer { padding: 0 16px 16px; color: var(--textSecondary); font-size: 0.95rem; }
        .aboutSection { padding: 30px 0; border-top: 1px solid var(--borderDefault); margin-top: 40px; }
        .teamCard { background: var(--bgElevated); border: 1px solid var(--borderStrong); border-radius: var(--radiusMd); padding: 24px; margin-top: 24px; }
        .teamCard h3 { margin-top: 0; color: var(--accent); }
        .rgSection { background: var(--bgSurface); border: 1px solid var(--borderDefault); border-radius: var(--radiusMd); padding: 24px; margin: 40px 0; }
        .rgLinks { display: flex; gap: 15px; margin: 20px 0; }
        .rgLink { background: var(--bgElevated); padding: 8px 16px; border-radius: var(--radiusSm); border: 1px solid var(--borderDefault); font-size: 0.9rem; }
        footer { border-top: 1px solid var(--borderDefault); padding: 40px 0 100px; text-align: center; }
        .footerSitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 30px; }
        .footerSitemap a { color: var(--textSecondary); font-size: 0.9rem; }
        .footerContact { margin-bottom: 20px; color: var(--textSecondary); }
        .footerLegal { font-size: 0.8rem; color: var(--textMuted); line-height: 1.5; }
        .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 { text-align: center; color: var(--textSecondary); text-decoration: none; font-size: 0.75rem; display: flex; flex-direction: column; align-items: center; gap: 4px; }
        .navItem i { font-size: 1.2rem; }
        .navItem:hover { color: var(--accent); }
        .utilityLink { color: var(--textSecondary); text-decoration: underline; font-size: 0.9rem; }
        
        @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); }
            .navigator { position: static; display: none; }
            .heroH1 { text-align: center; }
        }
        @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(5, 1fr); }
        }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }