:root {
            --pf-primary: #0077FF;
            --pf-primary-hover: #3399FF;
            --pf-secondary: #C0C0C8;
            --pf-secondary-hover: #E0E0E8;
            --pf-accent: #00F5FF;
            --pf-bg-main: #050B18;
            --pf-bg-surface: #0D1526;
            --pf-bg-elevated: #162138;
            --pf-text-primary: #E6EEF7;
            --pf-text-secondary: #B0B9C8;
            --pf-text-muted: #7C899B;
            --pf-border-default: #1E2B45;
            --pf-border-brand: rgba(0, 245, 255, 0.4);
            --pf-radius-md: 12px;
            --pf-radius-lg: 24px;
            --pf-gradient-brand: linear-gradient(135deg, #0077FF 0%, #00F5FF 100%);
            --pf-shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }
        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(--pf-bg-main);
            color: var(--pf-text-primary);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--pf-accent); text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #33CCFF; }
        .btn-core {
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 24px;
            border-radius: var(--pf-radius-md);
            font-weight: 600;
            text-align: center;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            transition: transform 0.2s, background 0.3s;
            text-decoration: none;
        }
        .btn-primary { background: var(--pf-gradient-brand); color: #FFFFFF; }
        .btn-primary:hover { transform: translateY(-2px); background: var(--pf-primary-hover); }
        .btn-outline { border: 1px solid var(--pf-border-brand); color: var(--pf-text-primary); background: transparent; }
        .btn-outline:hover { background: rgba(0, 245, 255, 0.1); }
        .glass-card {
            background: rgba(13, 21, 38, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid var(--pf-border-default);
            border-radius: var(--pf-radius-lg);
            padding: 20px;
            box-shadow: var(--pf-shadow-card);
        }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 11, 24, 0.8);
            backdrop-filter: blur(8px);
        }
        .header-brand { display: flex; align-items: center; gap: 10px; }
        .header-brand strong { font-size: 16px; font-weight: normal; }
        .header-nav { display: flex; gap: 12px; }
        main { width: 100%; }
        .hero-section { text-align: center; padding: 40px 0; }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); line-height: 1.2; margin-bottom: 20px; color: #FFFFFF; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); line-height: 1.25; margin-top: 2rem; margin-bottom: 1.5rem; color: #FFFFFF; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); line-height: 1.3; margin-bottom: 10px; color: var(--pf-text-primary); }
        .hero-intro { font-size: 1.1rem; color: var(--pf-text-secondary); margin-bottom: 30px; max-width: 800px; margin-inline: auto; }
        .hero-pills { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
        .pill-tag { background: var(--pf-bg-elevated); border: 1px solid var(--pf-border-brand); padding: 4px 12px; border-radius: 9999px; font-size: 0.85rem; color: var(--pf-accent); }
        .banner-link { display: block; width: 100%; aspect-ratio: 2/1; overflow: hidden; border-radius: var(--pf-radius-lg); }
        .banner-link img { width: 100%; height: 100%; object-fit: cover; }
        .cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; margin: 30px 0; }
        .cat-tile {
            background: var(--pf-bg-surface);
            border: 1px solid var(--pf-border-default);
            padding: 20px;
            border-radius: var(--pf-radius-md);
            text-align: center;
            transition: border-color 0.3s;
        }
        .cat-tile:hover { border-color: var(--pf-accent); }
        .cat-tile i { font-size: 2rem; margin-bottom: 10px; color: var(--pf-accent); }
        .cat-tile strong { display: block; margin-bottom: 5px; color: #FFFFFF; }
        .cat-tile span { font-size: 0.85rem; color: var(--pf-text-muted); }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .game-card { background: var(--pf-bg-surface); border-radius: var(--pf-radius-md); overflow: hidden; border: 1px solid var(--pf-border-default); transition: transform 0.3s; }
        .game-card:hover { transform: scale(1.03); border-color: var(--pf-primary); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .game-card h3 { font-size: 0.95rem; padding: 10px; margin: 0; text-align: center; background: var(--pf-bg-elevated); }
        .fact-table-wrapper { margin: 20px 0; }
        .freshness-notice { font-style: italic; color: var(--pf-text-muted); font-size: 0.85rem; margin-bottom: 15px; display: block; }
        .fact-table { width: 100%; border-collapse: collapse; background: var(--pf-bg-surface); border-radius: var(--pf-radius-md); overflow: hidden; }
        .fact-table td { padding: 12px 15px; border-bottom: 1px solid var(--pf-border-default); font-size: 0.9rem; }
        .fact-table td:first-child { font-weight: 600; color: var(--pf-text-secondary); width: 40%; }
        .fact-table td:last-child { color: var(--pf-text-primary); }
        .fact-link { display: block; margin-top: 10px; font-size: 0.85rem; color: var(--pf-text-muted); }
        .toc-nav { display: flex; overflow-x: auto; gap: 10px; padding: 10px 0; margin-bottom: 30px; scrollbar-width: none; }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { background: var(--pf-bg-surface); padding: 8px 16px; border-radius: var(--pf-radius-md); white-space: nowrap; font-size: 0.9rem; border: 1px solid var(--pf-border-default); }
        .promo-card { display: flex; flex-direction: column; gap: 15px; margin-bottom: 20px; }
        .usp-grid { display: grid; grid-template-columns: 1fr; gap: 20px; margin: 30px 0; }
        .usp-tile { display: flex; gap: 15px; align-items: flex-start; }
        .usp-tile i { font-size: 1.5rem; color: var(--pf-accent); margin-top: 5px; }
        .usp-content strong { display: block; color: #FFFFFF; margin-bottom: 5px; }
        .usp-content p { margin: 0; font-size: 0.9rem; color: var(--pf-text-secondary); }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
        .pay-card { background: var(--pf-bg-surface); padding: 15px; border-radius: var(--pf-radius-md); text-align: center; border: 1px solid var(--pf-border-default); }
        .pay-card i { font-size: 1.8rem; color: var(--pf-primary); margin-bottom: 10px; }
        .pay-card h3 { font-size: 1rem; margin-bottom: 8px; }
        .pay-card p { font-size: 0.8rem; color: var(--pf-text-muted); margin: 0; }
        .guide-step { display: flex; gap: 20px; margin-bottom: 25px; align-items: flex-start; }
        .step-num { background: var(--pf-gradient-brand); color: #FFF; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
        .guide-step h3 { margin: 0 0 10px 0; }
        .guide-step a { color: inherit; text-decoration: none; }
        .download-box { text-align: center; padding: 30px; background: var(--pf-bg-elevated); border-radius: var(--pf-radius-lg); border: 1px solid var(--pf-border-brand); }
        .player-guide-item { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--pf-border-default); }
        .guide-meta { font-size: 0.8rem; color: var(--pf-text-muted); margin-bottom: 10px; display: block; }
        .announcement-item { display: flex; gap: 15px; margin-bottom: 20px; padding: 15px; background: var(--pf-bg-surface); border-radius: var(--pf-radius-md); }
        .announcement-item i { color: var(--pf-accent); font-size: 1.2rem; }
        .announcement-date { font-size: 0.75rem; color: var(--pf-text-muted); display: block; margin-top: 5px; }
        .faq-item { margin-bottom: 15px; background: var(--pf-bg-surface); border-radius: var(--pf-radius-md); }
        .faq-item summary { padding: 15px; cursor: pointer; outline: none; }
        .faq-item p { padding: 0 15px 15px 15px; color: var(--pf-text-secondary); font-size: 0.95rem; }
        .team-card { background: var(--pf-bg-elevated); padding: 20px; border-radius: var(--pf-radius-md); margin-top: 20px; border-left: 4px solid var(--pf-primary); }
        .footer-sitemap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 30px; }
        .footer-sitemap a { font-size: 0.85rem; color: var(--pf-text-secondary); }
        .footer-bottom { text-align: center; padding: 20px 0; font-size: 0.8rem; color: var(--pf-text-muted); }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: rgba(13, 21, 38, 0.95);
            backdrop-filter: blur(15px);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            border-top: 1px solid var(--pf-border-default);
            z-index: 2000;
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; color: var(--pf-text-secondary); font-size: 0.7rem; gap: 4px; }
        .nav-item i { font-size: 1.2rem; }
        .nav-item:hover { color: var(--pf-accent); }
        .util-link { color: var(--pf-text-muted); font-size: 0.9rem; text-decoration: underline; }
        
        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .cat-grid { grid-template-columns: repeat(3, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .usp-grid { grid-template-columns: repeat(2, 1fr); }
            .navigator { display: none; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
            .cat-grid { grid-template-columns: repeat(4, 1fr); }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
        }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }