:root {
            --primary: #D4AF37;
            --primary-hover: #F9E076;
            --primary-active: #996515;
            --secondary: #B8860B;
            --accent: #FFD700;
            --bg-default: #0A0A0B;
            --bg-paper: #141518;
            --bg-surface: #1E1F24;
            --bg-elevated: #2A2C32;
            --text-primary: #FFFFFF;
            --text-secondary: #A0A0A0;
            --border-default: #333333;
            --jackpot: #E91E63;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-default);
            color: var(--text-primary);
            font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.5;
            overflow-x: hidden;
        }
        h1, h2, h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        img { max-width: 100%; height: auto; display: block; }

        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            background: var(--bg-paper);
            border-bottom: 1px solid var(--border-default);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-left { display: flex; align-items: center; gap: 8px; }
        .header-left img { width: 25px; height: 25px; border-radius: 4px; }
        .header-left strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        .header-right { display: flex; gap: 10px; }
        .btn { padding: 8px 16px; border-radius: 6px; font-weight: 600; cursor: pointer; border: none; font-size: 14px; }
        .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .btn-register { background: var(--primary); color: #000; }

        main { padding-bottom: 80px; }
        .banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; background: var(--bg-surface); }
        .section-container { padding: 20px 15px; }
        
        .jackpot-box {
            background: linear-gradient(145deg, #1e1f24, #0a0a0b);
            border: 2px solid var(--primary);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            margin: 20px 15px;
            box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
        }
        .jackpot-title { font-size: 14px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
        .jackpot-amount { font-size: 32px; color: var(--accent); font-weight: 800; font-family: 'Roboto Mono', monospace; }

        .intro-card { background: var(--bg-paper); border-radius: 12px; padding: 20px; margin-bottom: 25px; border-left: 4px solid var(--primary); }
        .intro-card h1 { font-size: 20px; margin-bottom: 10px; line-height: 1.3; }
        .intro-card p { color: var(--text-secondary); font-size: 14px; text-align: justify; }

        .section-title { font-size: 22px; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; }
        .section-title::before { content: ''; width: 4px; height: 24px; background: var(--primary); border-radius: 2px; }

        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 25px; }
        .game-item { background: var(--bg-paper); border-radius: 10px; overflow: hidden; border: 1px solid var(--border-default); transition: transform 0.2s; }
        .game-item:active { transform: scale(0.98); }
        .game-image { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-info { padding: 10px; }
        .game-info h3 { font-size: 14px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 25px; }
        .payment-item { background: var(--bg-surface); padding: 15px 5px; border-radius: 8px; text-align: center; border: 1px solid var(--border-default); }
        .payment-item i { font-size: 20px; color: var(--primary); margin-bottom: 8px; display: block; }
        .payment-item span { font-size: 10px; color: var(--text-secondary); display: block; }

        .guide-grid { display: grid; grid-template-columns: 1fr; gap: 15px; margin-bottom: 25px; }
        .guide-item { background: var(--bg-elevated); padding: 15px; border-radius: 10px; }
        .guide-item h3 { font-size: 18px; margin-bottom: 8px; color: var(--accent); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .lottery-marquee { background: var(--bg-paper); padding: 15px; border-radius: 10px; overflow: hidden; border: 1px solid var(--border-default); }
        .marquee-content { height: 150px; overflow-y: auto; scroll-behavior: smooth; }
        .lottery-record { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-default); font-size: 13px; }
        .lottery-user { color: var(--primary); }
        .lottery-win { color: var(--jackpot); font-weight: bold; }

        .provider-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 25px; }
        .provider-item { background: linear-gradient(90deg, #1e1f24, #2a2c32); padding: 12px; border-radius: 6px; text-align: center; font-weight: 600; font-size: 14px; color: var(--text-primary); border-right: 3px solid var(--primary); }

        .comment-list { display: flex; flex-direction: column; gap: 15px; margin-bottom: 25px; }
        .comment-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; border: 1px solid var(--border-default); }
        .comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .comment-avatar { width: 35px; height: 35px; background: var(--bg-elevated); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); }
        .comment-user-info h3 { font-size: 14px; color: var(--text-primary); margin: 0; }
        .comment-stars { color: #FFD700; font-size: 12px; }
        .comment-content { font-size: 13px; color: var(--text-secondary); line-height: 1.4; }
        .comment-date { font-size: 11px; color: var(--text-hint); margin-top: 8px; text-align: right; }

        .faq-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 25px; }
        .faq-item { background: var(--bg-paper); border-radius: 8px; border: 1px solid var(--border-default); overflow: hidden; }
        .faq-question { padding: 15px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; color: var(--text-primary); }
        .faq-answer { padding: 0 15px 15px; font-size: 14px; color: var(--text-secondary); line-height: 1.6; border-top: 1px solid var(--border-default); padding-top: 10px; }

        .security-box { background: var(--bg-paper); padding: 20px; border-radius: 12px; text-align: center; border: 1px dashed var(--primary); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--primary); }
        .security-text { font-size: 13px; color: var(--text-secondary); }
        .age-limit { display: inline-block; border: 2px solid var(--text-secondary); border-radius: 50%; width: 30px; height: 30px; line-height: 26px; font-weight: bold; margin-bottom: 10px; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-paper);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 1px solid var(--border-default);
            z-index: 1001;
        }
        .nav-item { text-align: center; color: var(--text-secondary); flex: 1; }
        .nav-item i { font-size: 18px; display: block; margin-bottom: 4px; }
        .nav-item span { font-size: 11px; }
        .nav-item:active { color: var(--primary); }

        footer {
            background: var(--bg-paper);
            padding: 30px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        .footer-contact { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 30px; }
        .contact-link { background: var(--bg-surface); padding: 10px; border-radius: 6px; text-align: center; font-size: 13px; border: 1px solid var(--border-default); }
        .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 30px; }
        .footer-links a { color: var(--text-secondary); font-size: 13px; }
        .footer-copy { text-align: center; font-size: 12px; color: var(--text-hint); padding-top: 20px; border-top: 1px solid var(--border-default); }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(3, 1fr); }
            .guide-grid { grid-template-columns: 1fr 1fr; }
            .header-left strong { font-size: 20px; }
        }