:root {
            --primary: #D4AF37;
            --primary-hover: #F1C40F;
            --secondary: #FFD700;
            --accent: #B8860B;
            --gradient-gold: linear-gradient(180deg, #FFD700 0%, #D4AF37 100%);
            --bg-main: #0A0A0A;
            --bg-surface: #161616;
            --bg-elevated: #222222;
            --bg-nav: #000000;
            --text-primary: #FFFFFF;
            --text-secondary: #BDBDBD;
            --text-muted: #757575;
            --text-brand: #D4AF37;
            --success: #2ECC71;
            --error: #E74C3C;
            --hot: #FF4500;
            --border-default: #333333;
            --border-brand: #D4AF37;
            --font-main: 'Montserrat', 'Be Vietnam Pro', sans-serif;
            --font-display: 'Lexend', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-main); color: var(--text-primary); font-family: var(--font-main); line-height: 1.5; -webkit-tap-highlight-color: transparent; padding-bottom: 70px; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }

        header {
            position: sticky; top: 0; z-index: 1000; background: var(--bg-nav); border-bottom: 1px solid var(--border-default);
            padding: 10px 15px; display: flex; justify-content: space-between; align-items: center; height: 60px;
        }
        header .brand { display: flex; align-items: center; gap: 8px; }
        header .brand img { width: 25px; height: 25px; border-radius: 4px; }
        header .brand strong { font-size: 16px; font-weight: 400; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        header button {
            padding: 6px 16px; border-radius: 20px; font-weight: 600; font-size: 14px; cursor: pointer; border: none;
        }
        header .btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        header .btn-register { background: var(--gradient-gold); color: #000; }

        main { max-width: 600px; margin: 0 auto; padding: 0; }

        .hero-banner { width: 100%; aspect-ratio: 2/1; cursor: pointer; border-radius: 0 0 15px 15px; overflow: hidden; }

        .jackpot-box {
            margin: 15px; background: var(--bg-surface); border: 1px solid var(--border-brand); border-radius: 12px;
            padding: 15px; text-align: center; box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
        }
        .jackpot-box h2 { font-size: 14px; color: var(--primary); text-transform: uppercase; margin-bottom: 5px; }
        .jackpot-amount { font-family: var(--font-display); font-size: 32px; font-weight: 900; color: var(--secondary); text-shadow: 0 0 10px rgba(255, 215, 0, 0.5); }

        .platform-intro { padding: 20px 15px; text-align: center; }
        .platform-intro h1 { font-size: 24px; color: var(--primary); margin-bottom: 12px; line-height: 1.2; font-family: var(--font-display); }
        .platform-intro p { font-size: 14px; color: var(--text-secondary); text-align: justify; }

        .game-section { padding: 15px; }
        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .game-card { background: var(--bg-surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border-default); transition: transform 0.2s; }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 10px; font-size: 14px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

        .payment-methods { background: var(--bg-surface); margin: 15px; padding: 20px; border-radius: 12px; 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; display: block; }
        .payment-item span { font-size: 10px; color: var(--text-muted); }

        .guide-section { padding: 20px 15px; background: var(--bg-elevated); margin: 15px 0; }
        .guide-section h2 { font-size: 20px; color: var(--primary); margin-bottom: 15px; text-align: center; }
        .guide-item { margin-bottom: 20px; }
        .guide-item h3 { color: var(--secondary); font-size: 16px; margin-bottom: 8px; }
        .guide-item p { font-size: 13px; color: var(--text-secondary); text-align: justify; }

        .lottery-marquee { background: #000; border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); padding: 10px 0; overflow: hidden; }
        .marquee-content { display: flex; animation: marquee 30s linear infinite; gap: 30px; }
        .marquee-item { white-space: nowrap; font-size: 12px; color: var(--text-secondary); }
        .marquee-item span { color: var(--success); font-weight: bold; }
        @keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

        .providers-wall { padding: 15px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .provider-tag { background: var(--bg-surface); padding: 12px; border-radius: 8px; text-align: center; font-weight: 600; color: var(--text-primary); border-left: 3px solid var(--primary); }

        .reviews-section { padding: 15px; }
        .review-card { background: var(--bg-surface); padding: 15px; border-radius: 12px; margin-bottom: 15px; border: 1px solid var(--border-default); }
        .review-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
        .user-info { display: flex; align-items: center; gap: 8px; font-weight: bold; font-size: 14px; }
        .stars { color: var(--secondary); font-size: 12px; }
        .review-date { font-size: 11px; color: var(--text-muted); }
        .review-body { font-size: 13px; color: var(--text-secondary); font-style: italic; }

        .faq-section { padding: 15px; }
        .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: 13px; color: var(--text-secondary); }

        .security-section { text-align: center; padding: 25px 15px; background: #000; border-top: 1px solid var(--border-default); }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; color: var(--primary); font-size: 24px; }
        .age-limit { display: inline-block; border: 2px solid var(--error); color: var(--error); border-radius: 50%; width: 40px; height: 40px; line-height: 36px; font-weight: bold; margin-bottom: 10px; }
        .security-text { font-size: 12px; color: var(--text-muted); }

        .navigator {
            position: fixed; bottom: 0; left: 0; right: 0; background: var(--bg-nav); height: 65px;
            display: flex; justify-content: space-around; align-items: center; border-top: 1px solid var(--border-default); z-index: 1000;
        }
        .nav-item { text-align: center; color: var(--text-muted); font-size: 11px; flex: 1; }
        .nav-item i { display: block; font-size: 20px; margin-bottom: 4px; }
        .nav-item.active { color: var(--primary); }

        footer { background: var(--bg-nav); padding: 30px 15px 100px; text-align: center; border-top: 1px solid var(--border-default); }
        footer .contact-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 25px; }
        footer .contact-row a { color: var(--primary); font-size: 14px; border-bottom: 1px solid var(--accent); }
        footer .link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 25px; text-align: left; }
        footer .link-grid a { color: var(--text-secondary); font-size: 13px; }
        footer .copyright { color: var(--text-muted); font-size: 12px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-default); }