:root {
            --primary: #FFD700;
            --primary-variant: #B8860B;
            --secondary: #1E90FF;
            --accent: #FF4500;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-elevated: #262626;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --border-default: #333333;
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-secondary: 'Montserrat', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            padding-bottom: 70px;
        }
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-default);
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 15px;
        }
        header .logo-container {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        header img {
            width: 25px;
            height: 25px;
            border-radius: 4px;
        }
        header strong {
            font-size: 16px;
            font-weight: 500;
            color: var(--primary);
        }
        header .auth-buttons {
            display: flex;
            gap: 10px;
        }
        header button {
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
        }
        header .login-btn {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-default);
        }
        header .register-btn {
            background: var(--primary);
            color: #000;
        }
        main {
            max-width: 800px;
            margin: 0 auto;
            padding: 10px;
        }
        .banner {
            width: 100%;
            aspect-ratio: 2 / 1;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            margin-bottom: 20px;
        }
        .banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .jackpot-box {
            background: linear-gradient(135deg, #262626 0%, #1a1a1a 100%);
            border: 2px solid var(--primary);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        .jackpot-box h2 {
            font-family: var(--font-secondary);
            font-size: 14px;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .jackpot-amount {
            font-size: 32px;
            font-weight: 900;
            color: var(--text-primary);
            text-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
        }
        .intro-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
        }
        .intro-card h1 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .intro-card p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 25px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: 10px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-default);
        }
        .game-card:active { transform: scale(0.95); }
        .game-card img {
            width: 100%;
            aspect-ratio: 1 / 1;
            object-fit: cover;
            display: block;
        }
        .game-card h3 {
            padding: 10px;
            font-size: 14px;
            color: var(--text-primary);
            text-align: center;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .payment-section {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 25px;
        }
        .payment-section h2 {
            font-size: 18px;
            margin-bottom: 15px;
            text-align: center;
        }
        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            text-align: center;
        }
        .payment-item i {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .payment-item span {
            display: block;
            font-size: 10px;
            color: var(--text-secondary);
        }
        .guide-section {
            margin-bottom: 25px;
        }
        .guide-card {
            background: var(--bg-elevated);
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
        }
        .guide-card h2 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .lottery-section {
            background: var(--bg-surface);
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 25px;
        }
        .lottery-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-default);
            font-size: 13px;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-user { color: var(--secondary); font-weight: 600; }
        .lottery-win { color: var(--primary); font-weight: 700; }
        .providers-section {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 25px;
        }
        .provider-tag {
            flex: 1 1 calc(50% - 10px);
            background: linear-gradient(45deg, #1a1a1a, #262626);
            padding: 12px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid var(--border-default);
        }
        .comment-section {
            margin-bottom: 25px;
        }
        .comment-card {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 15px;
        }
        .comment-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .comment-header i {
            font-size: 30px;
            color: var(--text-secondary);
        }
        .comment-info h3 { font-size: 14px; }
        .stars { color: var(--primary); font-size: 12px; }
        .faq-section { margin-bottom: 25px; }
        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 8px;
            padding: 15px;
        }
        .faq-item h3 {
            font-size: 15px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .security-section {
            text-align: center;
            padding: 20px;
            background: var(--bg-elevated);
            border-radius: 12px;
            margin-bottom: 20px;
        }
        .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 15px;
        }
        .security-icons i { font-size: 24px; color: var(--primary); }
        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1000;
        }
        .navigator a {
            text-decoration: none;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            font-size: 12px;
        }
        .navigator i { font-size: 20px; margin-bottom: 4px; }
        footer {
            background: var(--bg-surface);
            padding: 30px 15px 100px;
            text-align: center;
            border-top: 1px solid var(--border-default);
        }
        footer .contact-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        footer a { color: var(--text-secondary); text-decoration: none; font-size: 14px; }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }
        footer .copy {
            font-size: 12px;
            color: var(--text-disabled);
        }