:root {
            --bg-color: #0b0e11;
            --surface-color: #1e2329;
            --brand-primary: #f0b90b;
            --brand-secondary: #c99400;
            --accent: #ff3b3b;
            --text-primary: #ffffff;
            --text-secondary: #909399;
            --text-muted: #5e6673;
            --success: #2ecc71;
            --border-default: #2b2f36;
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-display: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-color);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.5;
            padding-bottom: 80px;
        }
        h1, h2, h3 { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        header {
            background-color: var(--surface-color);
            padding: 12px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-default);
        }
        .header-left { display: flex; align-items: center; gap: 8px; }
        .header-left img { width: 25px; height: 25px; }
        .header-left strong { font-size: 16px; font-weight: 400; color: var(--brand-primary); }
        .header-right { display: flex; gap: 8px; }
        .btn {
            padding: 8px 16px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: none;
        }
        .btn-login { background-color: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-register { background-color: var(--brand-primary); color: #000; }

        .hero-banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            cursor: pointer;
            overflow: hidden;
        }
        .hero-banner img { width: 100%; height: 100%; object-fit: cover; }

        .jackpot-section {
            background: linear-gradient(180deg, #1e2329 0%, #0b0e11 100%);
            padding: 20px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-default);
        }
        .jackpot-label { color: var(--brand-primary); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
        .jackpot-amount {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand-primary);
            font-family: var(--font-display);
            margin: 5px 0;
            text-shadow: 0 0 10px rgba(240, 185, 11, 0.3);
        }

        .intro-section { padding: 24px 16px; text-align: center; }
        .intro-section h1 { font-size: 24px; margin-bottom: 12px; color: var(--brand-primary); }
        .intro-section p { font-size: 14px; color: var(--text-secondary); }

        .section-title { padding: 16px 16px 8px; font-size: 20px; border-left: 4px solid var(--brand-primary); margin: 10px 16px; }

        .game-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 16px;
        }
        .game-card {
            background-color: var(--surface-color);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.2s;
        }
        .game-card:active { transform: scale(0.98); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 8px; font-size: 14px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

        .article-list { padding: 16px; display: flex; flex-direction: column; gap: 16px; }
        .article-card {
            display: flex;
            gap: 12px;
            background-color: var(--surface-color);
            padding: 12px;
            border-radius: 12px;
        }
        .article-card img { width: 100px; height: 100px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
        .article-info h3 { font-size: 15px; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .article-info p { font-size: 12px; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 8px;
            padding: 16px;
        }
        .payment-item {
            background-color: var(--surface-color);
            padding: 12px 4px;
            text-align: center;
            border-radius: 8px;
            border: 1px solid var(--border-default);
        }
        .payment-item i { font-size: 20px; color: var(--brand-primary); margin-bottom: 4px; }
        .payment-item span { display: block; font-size: 10px; color: var(--text-secondary); font-weight: 600; }

        .winning-records {
            background-color: var(--surface-color);
            margin: 16px;
            border-radius: 12px;
            overflow: hidden;
        }
        .record-item {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-default);
            display: flex;
            justify-content: space-between;
            font-size: 12px;
        }
        .record-user { color: var(--brand-primary); font-weight: 600; }
        .record-amount { color: var(--success); font-weight: 700; }

        .providers-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 16px;
        }
        .provider-block {
            background-color: var(--surface-color);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-weight: 800;
            color: var(--text-muted);
            border: 1px solid var(--border-default);
            text-transform: uppercase;
        }

        .reviews-section { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
        .review-card {
            background-color: var(--surface-color);
            padding: 16px;
            border-radius: 12px;
            border-left: 4px solid var(--brand-primary);
        }
        .review-header { display: flex; justify-content: space-between; margin-bottom: 8px; }
        .review-user { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; }
        .stars { color: var(--brand-primary); font-size: 12px; }
        .review-text { font-size: 13px; color: var(--text-secondary); font-style: italic; }
        .review-date { font-size: 11px; color: var(--text-muted); margin-top: 8px; display: block; }

        .faq-section { padding: 16px; }
        .faq-item { margin-bottom: 16px; background-color: var(--surface-color); border-radius: 8px; padding: 16px; border: 1px solid var(--border-default); }
        .faq-item h3 { font-size: 16px; margin-bottom: 8px; color: var(--brand-primary); }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .security-section {
            padding: 24px 16px;
            text-align: center;
            background-color: var(--surface-color);
            margin-top: 20px;
        }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 16px; font-size: 24px; color: var(--brand-primary); }
        .security-text { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
        .security-links a { color: var(--brand-primary); text-decoration: underline; font-size: 12px; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--surface-color);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .nav-item { text-align: center; color: var(--text-secondary); flex: 1; }
        .nav-item i { font-size: 20px; margin-bottom: 4px; display: block; }
        .nav-item span { font-size: 11px; font-weight: 600; }
        .nav-item:nth-child(3) { color: var(--brand-primary); }

        footer { background-color: var(--bg-color); padding: 30px 16px 100px; border-top: 1px solid var(--border-default); }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 25px;
        }
        .footer-links a { color: var(--text-secondary); font-size: 13px; text-align: center; }
        .footer-bottom {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
        }