:root {
            --primary: #FFD700;
            --primary-variant: #B8860B;
            --secondary: #E21B1B;
            --accent: #00E676;
            --bg-default: #0A0B0C;
            --bg-paper: #16181A;
            --bg-elevated: #1F2225;
            --bg-nav: #000000;
            --grad-gold: linear-gradient(180deg, #FFD700 0%, #D4AF37 100%);
            --grad-dark: linear-gradient(180deg, #1A1C1E 0%, #0A0B0C 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #AFB1B3;
            --text-muted: #717579;
            --border-default: #2D3034;
            --border-brand: #FFD700;
            --font-main: 'Inter', sans-serif;
            --font-display: 'Montserrat', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { background-color: var(--bg-default); color: var(--text-primary); font-family: var(--font-main); line-height: 1.5; -webkit-tap-highlight-color: transparent; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

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

        main { padding-bottom: 80px; }
        .banner-container { width: 100%; aspect-ratio: 2/1; cursor: pointer; overflow: hidden; }
        .banner-container img { width: 100%; height: 100%; object-fit: cover; }

        .jackpot-box {
            background: var(--bg-paper); margin: 15px; padding: 20px; border-radius: 12px;
            text-align: center; border: 1px solid var(--border-brand);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.2);
        }
        .jackpot-title { color: var(--primary); font-family: var(--font-display); font-size: 14px; text-transform: uppercase; margin-bottom: 8px; letter-spacing: 1px; }
        .jackpot-amount { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--primary); text-shadow: 0 2px 4px rgba(0,0,0,0.5); }

        .intro-section { padding: 20px 16px; text-align: center; }
        .intro-section h1 { font-family: var(--font-display); font-size: 24px; color: var(--primary); margin-bottom: 12px; line-height: 1.2; }
        .intro-section p { font-size: 14px; color: var(--text-secondary); text-align: justify; }

        .section-title { font-family: var(--font-display); font-size: 20px; padding: 15px 16px 10px; color: var(--primary); display: flex; align-items: center; gap: 10px; }
        .section-title::before { content: ''; display: block; width: 4px; height: 20px; background: var(--secondary); border-radius: 2px; }

        .game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 12px 16px; }
        .game-card { background: var(--bg-elevated); border-radius: 10px; overflow: hidden; border: 1px solid var(--border-default); transition: transform 0.2s; }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { font-size: 14px; padding: 10px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text-primary); }

        .payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 15px 16px; }
        .payment-item { background: var(--bg-paper); padding: 10px; border-radius: 8px; text-align: center; border: 1px solid var(--border-default); }
        .payment-item i { font-size: 20px; color: var(--primary); margin-bottom: 5px; display: block; }
        .payment-item span { font-size: 10px; color: var(--text-muted); text-transform: uppercase; }

        .guide-container { padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; }
        .guide-item { background: var(--bg-paper); padding: 15px; border-radius: 12px; border-left: 3px solid var(--primary); }
        .guide-item h2 { font-size: 18px; margin-bottom: 8px; color: var(--primary); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); text-align: justify; }

        .lottery-marquee { background: var(--bg-paper); margin: 15px 16px; border-radius: 12px; height: 120px; overflow: hidden; position: relative; border: 1px solid var(--border-default); }
        .marquee-content { position: absolute; width: 100%; animation: scrollUp 20s linear infinite; }
        .marquee-item { padding: 8px 15px; border-bottom: 1px solid var(--border-default); display: flex; justify-content: space-between; font-size: 12px; }
        .marquee-user { color: var(--accent); }
        .marquee-win { color: var(--primary); font-weight: bold; }
        @keyframes scrollUp { 0% { transform: translateY(0); } 100% { transform: translateY(-50%); } }

        .providers-wall { padding: 12px 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .provider-tag { background: var(--grad-dark); padding: 12px; text-align: center; border-radius: 6px; border: 1px solid var(--border-default); font-weight: 600; font-size: 14px; color: var(--text-secondary); }

        .review-container { padding: 12px 16px; display: flex; flex-direction: column; gap: 15px; }
        .review-card { background: var(--bg-paper); padding: 15px; border-radius: 12px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--text-muted); }
        .review-user { font-weight: bold; color: var(--primary); }
        .review-stars { color: #FFAB00; 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; }

        .faq-section { padding: 12px 16px; }
        .faq-item { background: var(--bg-paper); 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); line-height: 1.6; }

        .security-section { padding: 20px 16px; background: var(--bg-elevated); margin: 20px 0; text-align: center; }
        .security-icons { display: flex; justify-content: center; gap: 20px; margin-bottom: 15px; font-size: 24px; color: var(--accent); }
        .security-section p { font-size: 12px; color: var(--text-muted); max-width: 300px; margin: 0 auto; }

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

        footer { background: var(--bg-nav); padding: 30px 16px 100px; border-top: 1px solid var(--border-default); }
        .footer-contact { margin-bottom: 25px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
        .footer-contact a { background: var(--bg-elevated); padding: 10px; border-radius: 6px; font-size: 13px; text-align: center; 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-muted); font-size: 13px; transition: color 0.2s; }
        .footer-links a:hover { color: var(--primary); }
        .footer-copy { text-align: center; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border-default); padding-top: 20px; }

        @media (min-width: 768px) {
            .game-grid { grid-template-columns: repeat(4, 1fr); }
            main { max-width: 800px; margin: 0 auto; border-left: 1px solid var(--border-default); border-right: 1px solid var(--border-default); }
        }