:root {
            --primary: #D4AF37;
            --primary-hover: #F9D71C;
            --secondary: #B8860B;
            --secondary-hover: #DAA520;
            --accent: #FFD700;
            --bg-main: #0A0A0B;
            --bg-surface: #16161A;
            --bg-elevated: #1F1F24;
            --bg-overlay: rgba(0,0,0,0.85);
            --text-primary: #FFFFFF;
            --text-secondary: #C0C0C0;
            --text-muted: #707070;
            --text-contrast: #000000;
            --text-link: #D4AF37;
            --text-link-hover: #F9D71C;
            --btn-bg: #D4AF37;
            --btn-text: #000000;
            --btn-hover-bg: #F9D71C;
            --btn-hover-text: #000000;
            --success: #2ECC71;
            --error: #E74C3C;
            --warning: #F1C40F;
            --info: #3498DB;
            --border-def: #2C2C32;
            --border-strong: #404048;
            --border-brand: #B8860B;
        }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: 'Inter', 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(--bg-main);
            color: var(--text-primary);
        }
        h1, h2, h3 { font-family: 'Montserrat', sans-serif; letter-spacing: -0.02em; line-height: 1.2; color: var(--text-primary); }
        h1 { font-size: clamp(1.6rem, 6.5vw, 2.4rem); margin: 1rem 0; }
        h2 { font-size: clamp(1.3rem, 5.2vw, 1.8rem); margin-top: 2rem; border-left: 4px solid var(--primary); padding-left: 12px; }
        h3 { font-size: clamp(1.05rem, 4.2vw, 1.25rem); margin-top: 1rem; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--text-link); text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--text-link-hover); }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-inline-size: 44px;
            padding: 12px 18px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            text-align: center;
            transition: transform 0.2s, background 0.2s;
            background-color: var(--btn-bg);
            color: var(--btn-text);
            font-family: inherit;
        }
        .btn:hover { background-color: var(--btn-hover-bg); transform: translateY(-2px); }
        .btn-full { width: 100%; }
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-def);
        }
        .brand-box { display: flex; align-items: center; gap: 8px; }
        .brand-box strong { font-size: 16px; font-weight: 400; }
        .header-actions { display: flex; gap: 8px; }
        main { width: 100%; }
        .hero-banner { aspect-ratio: 2/1; overflow: hidden; border-radius: 0; }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 1rem; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-def); transition: border-color 0.2s; }
        .game-card:hover { border-color: var(--primary); }
        .game-card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; }
        .game-card h3 { font-size: 14px; padding: 10px; margin: 0; text-align: center; color: var(--text-primary); }
        .fact-table { width: 100%; border-collapse: collapse; margin: 1rem 0; background: var(--bg-surface); border-radius: 12px; overflow: hidden; }
        .fact-table td { padding: 12px; border-bottom: 1px solid var(--border-def); }
        .fact-table td:first-child { font-weight: 600; color: var(--text-secondary); width: 40%; }
        .toc-nav { display: flex; overflow-x: auto; gap: 10px; padding: 1rem 0; scrollbar-width: none; }
        .toc-nav::-webkit-scrollbar { display: none; }
        .toc-link { white-space: nowrap; padding: 8px 16px; background: var(--bg-elevated); border-radius: 20px; font-size: 14px; border: 1px solid var(--border-def); }
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 1rem 0; }
        .cat-tile { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-def); display: flex; flex-direction: column; align-items: center; gap: 8px; }
        .cat-tile i { font-size: 24px; color: var(--primary); }
        .cat-tile span { font-weight: 600; display: block; }
        .cat-tile p { font-size: 12px; color: var(--text-muted); margin: 0; }
        .usp-bar { display: grid; gap: 12px; margin: 1rem 0; }
        .usp-item { background: var(--bg-surface); padding: 16px; border-radius: 12px; display: flex; gap: 16px; align-items: center; border: 1px solid var(--border-def); }
        .usp-item i { font-size: 24px; color: var(--primary); min-width: 30px; }
        .promo-card { background: var(--bg-surface); border-radius: 12px; padding: 20px; margin-bottom: 12px; border: 1px solid var(--border-brand); }
        .announcement-list { display: flex; flex-direction: column; gap: 12px; margin: 1rem 0; }
        .announcement-item { background: var(--bg-surface); padding: 16px; border-radius: 12px; border-left: 4px solid var(--primary); }
        .announcement-meta { font-size: 12px; color: var(--text-muted); margin-top: 8px; display: block; }
        .payment-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .payment-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-def); }
        .payment-card i { font-size: 24px; color: var(--primary); margin-bottom: 8px; display: block; }
        .payment-card h4 { font-size: 14px; margin: 0 0 8px 0; }
        .payment-card p { font-size: 12px; color: var(--text-muted); margin: 0; }
        .step-list { display: flex; flex-direction: column; gap: 20px; margin: 1rem 0; }
        .step-item { display: flex; gap: 16px; align-items: flex-start; }
        .step-num { min-width: 32px; height: 32px; background: var(--primary); color: var(--text-contrast); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; }
        .provider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .provider-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-def); }
        .guide-item { background: var(--bg-surface); padding: 16px; border-radius: 12px; margin-bottom: 12px; border: 1px solid var(--border-def); }
        .guide-meta { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 8px; font-style: italic; }
        .article-card { display: flex; gap: 12px; background: var(--bg-surface); border-radius: 12px; overflow: hidden; margin-bottom: 12px; border: 1px solid var(--border-def); }
        .article-card img { width: 100px; aspect-ratio: 4/3; object-fit: cover; }
        .article-content { padding: 12px; }
        .article-content h3 { margin: 0 0 8px 0; font-size: 16px; }
        .article-content p { margin: 0; font-size: 13px; color: var(--text-secondary); }
        .vip-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .vip-card { background: var(--bg-surface); padding: 16px; border-radius: 12px; text-align: center; border: 1px solid var(--border-def); }
        .faq-section { margin: 1rem 0; }
        .faq-item { background: var(--bg-surface); margin-bottom: 8px; border-radius: 8px; overflow: hidden; }
        .faq-item summary { padding: 16px; cursor: pointer; font-weight: 600; list-style: none; border-bottom: 1px solid var(--border-def); }
        .faq-item p { padding: 16px; margin: 0; color: var(--text-secondary); }
        .trust-card { background: var(--bg-elevated); padding: 20px; border-radius: 12px; margin-top: 20px; border: 1px solid var(--primary); }
        footer { padding: 2rem 0; background: var(--bg-surface); margin-top: 3rem; }
        .footer-sitemap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 2rem; }
        .footer-legal { font-size: 12px; color: var(--text-muted); text-align: center; padding: 0 10px; }
        .navigator {
            position: fixed;
            inset-inline: 0;
            bottom: 0;
            height: 72px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-def);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding-bottom: env(safe-area-inset-bottom);
            z-index: 1000;
        }
        .nav-item { display: flex; flex-direction: column; align-items: center; font-size: 11px; color: var(--text-secondary); gap: 4px; }
        .nav-item i { font-size: 20px; }
        .nav-item:hover { color: var(--primary); }
        section { content-visibility: auto; contain-intrinsic-size: 1px 500px; }

        @media (min-width: 768px) {
            body { padding-inline: 24px; padding-bottom: 24px; }
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .usp-bar { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(4, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
            .vip-grid { grid-template-columns: repeat(4, 1fr); }
            .navigator { position: static; display: none; }
            footer { padding-bottom: 24px; }
        }
        @media (min-width: 1200px) {
            body { padding-inline: 32px; max-width: 1200px; margin-inline: auto; }
        }