:root {
            --primary: #FFD700;
            --primary-hover: #FFC400;
            --secondary: #E6B800;
            --accent: #FF4500;
            --bg-main: #0B0E11;
            --bg-surface: #181A20;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --grad-start: #1a1a2e;
            --grad-end: #0f0f1a;
            --success: #00C853;
            --error: #FF5252;
            --warning: #FFAB00;
            --info: #2196F3;
            --text-primary: #FFFFFF;
            --text-secondary: #B7BDC9;
            --text-disabled: #5E6673;
            --text-highlight: #FFD700;
            --border-default: #2B2F36;
            --border-active: #FFD700;
            --border-subtle: #1E2329;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            background-color: var(--bg-main); 
            color: var(--text-primary); 
            font-family: 'Hind Siliguri', sans-serif; 
            line-height: 1.5;
            overflow-x: hidden;
        }
        header { 
            background: var(--bg-surface); 
            border-bottom: 1px solid var(--border-default); 
            padding: 10px 20px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            position: sticky; 
            top: 0; 
            z-index: 1000; 
        }
        header .logo-area { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
        header .logo-area img { width: 25px; height: 25px; }
        header .logo-area strong { font-size: 16px; font-weight: normal; }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn { 
            padding: 8px 16px; 
            border-radius: 6px; 
            border: none; 
            cursor: pointer; 
            font-family: 'Hind Siliguri', sans-serif; 
            font-weight: 600; 
            transition: 0.3s; 
            text-decoration: none; 
            font-size: 14px; 
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--border-default); }
        .btn-login:hover { border-color: var(--primary); color: var(--primary); }
        .btn-reg { background: var(--primary); color: #000; }
        .btn-reg:hover { background: var(--primary-hover); }

        main { padding-bottom: 80px; }
        .hero-banner { width: 100%; max-width: 1200px; margin: 0 auto; cursor: pointer; }
        .hero-banner img { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 0 0 20px 20px; }

        .section-container { max-width: 1200px; margin: 30px auto; padding: 0 20px; }
        .reward-card { 
            background: linear-gradient(135deg, var(--grad-start), var(--grad-end)); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            border: 2px solid var(--primary);
            margin-bottom: 30px;
        }
        .reward-card h2 { font-size: 28px; color: var(--primary); margin-bottom: 15px; }
        .reward-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 18px; }
        .btn-lg { padding: 15px 40px; font-size: 20px; background: var(--accent); color: #fff; border-radius: 50px; box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4); }

        .intro-card { 
            background: var(--bg-surface); 
            padding: 40px; 
            border-radius: 20px; 
            border: 1px solid var(--border-default); 
            text-align: center;
            margin-bottom: 40px;
        }
        .intro-card h1 { font-size: 48px; color: var(--primary); margin-bottom: 20px; }
        .intro-card p { font-size: 18px; color: var(--text-secondary); max-width: 800px; margin: 0 auto; }

        .game-grid { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 15px; 
            margin-top: 20px; 
        }
        .game-card { 
            background: var(--bg-surface); 
            border-radius: 15px; 
            overflow: hidden; 
            text-decoration: none; 
            border: 1px solid var(--border-subtle);
            transition: transform 0.3s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 { padding: 12px; font-size: 16px; text-align: center; color: var(--text-primary); }

        .section-title { font-size: 24px; color: var(--primary); margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 15px; }

        .payment-grid { 
            display: grid; 
            grid-template-columns: repeat(4, 1fr); 
            gap: 10px; 
        }
        .payment-item { 
            background: var(--bg-surface); 
            padding: 15px; 
            border-radius: 12px; 
            text-align: center; 
            border: 1px solid var(--border-default);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .payment-item i { display: block; font-size: 24px; color: var(--primary); margin-bottom: 8px; }

        .guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .guide-item { background: var(--bg-surface); padding: 20px; border-radius: 15px; border-bottom: 3px solid var(--primary); }
        .guide-item h3 { margin-bottom: 10px; color: var(--primary); }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
        .review-card { background: var(--bg-surface); padding: 20px; border-radius: 15px; border: 1px solid var(--border-default); }
        .review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
        .review-header i { font-size: 30px; color: var(--primary); }
        .review-user { font-weight: 600; }
        .review-stars { color: var(--primary); font-size: 14px; margin-bottom: 10px; }
        .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-disabled); }

        .lottery-list { background: var(--bg-surface); border-radius: 15px; overflow: hidden; }
        .lottery-item { 
            display: grid; 
            grid-template-columns: 1fr 1fr 1fr 1fr; 
            padding: 12px 20px; 
            border-bottom: 1px solid var(--border-subtle); 
            font-size: 14px; 
            align-items: center;
        }
        .lottery-item:last-child { border-bottom: none; }
        .win-amount { color: var(--primary); font-weight: bold; }

        .provider-wall { 
            display: grid; 
            grid-template-columns: repeat(2, 1fr); 
            gap: 10px; 
        }
        .provider-box { 
            background: linear-gradient(45deg, var(--bg-surface), #252932); 
            padding: 20px; 
            border-radius: 10px; 
            text-align: center; 
            font-weight: bold; 
            border: 1px solid var(--border-default);
            color: var(--primary);
        }

        .faq-container { display: grid; gap: 15px; }
        .faq-item { background: var(--bg-surface); border-radius: 10px; padding: 20px; border: 1px solid var(--border-default); }
        .faq-item h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { color: var(--text-secondary); font-size: 14px; }

        .security-section { 
            background: var(--bg-surface); 
            padding: 30px; 
            border-radius: 20px; 
            text-align: center; 
            border: 1px dashed var(--primary);
        }
        .security-badges { display: flex; justify-content: center; gap: 30px; margin-bottom: 20px; flex-wrap: wrap; }
        .badge { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 14px; }
        .badge i { color: var(--success); font-size: 20px; }

        .navigator { 
            position: fixed; 
            bottom: 0; 
            left: 0; 
            width: 100%; 
            background: var(--bg-surface); 
            display: flex; 
            justify-content: space-around; 
            padding: 10px 0; 
            border-top: 1px solid var(--border-default); 
            z-index: 1001; 
        }
        .nav-item { text-decoration: none; color: var(--text-secondary); display: flex; flex-direction: column; align-items: center; font-size: 12px; }
        .nav-item i { font-size: 20px; margin-bottom: 4px; }
        .nav-item:hover { color: var(--primary); }

        footer { 
            background: var(--bg-surface); 
            padding: 40px 20px; 
            border-top: 1px solid var(--border-default); 
            text-align: center; 
        }
        .footer-contact { margin-bottom: 30px; display: flex; justify-content: center; align-items: center; gap: 15px; flex-wrap: wrap; }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; font-size: 14px; border: 1px solid var(--border-default); padding: 5px 10px; border-radius: 5px; }
        .footer-links { 
            display: grid; 
            grid-template-columns: repeat(3, 1fr); 
            gap: 10px; 
            max-width: 600px; 
            margin: 0 auto 30px; 
            text-align: left; 
        }
        .footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 13px; }
        .footer-links a:hover { color: var(--primary); }
        .copyright { color: var(--text-disabled); font-size: 12px; }

        @media (max-width: 768px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-links { grid-template-columns: repeat(3, 1fr); }
            .lottery-item { grid-template-columns: 1fr 1fr; gap: 5px; }
            .lottery-item span:nth-child(4) { grid-column: span 2; text-align: right; }
        }