:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --highlight: #FFEFB1;
            --bg-main: #0B0B0B;
            --bg-surface: #1A1A1A;
            --bg-overlay: rgba(0, 0, 0, 0.85);
            --grad-start: #1A1A1A;
            --grad-end: #000000;
            --success: #28A745;
            --warning: #FFC107;
            --error: #DC3545;
            --info: #17A2B8;
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #757575;
            --text-inverse: #000000;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Hind Siliguri', sans-serif;
            --font-secondary: 'Roboto', sans-serif;
            --font-accent: 'Poppins', sans-serif;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { 
            background: var(--bg-main); 
            color: var(--text-primary); 
            font-family: var(--font-primary); 
            line-height: 1.5; 
            overflow-x: hidden; 
        }

        header {
            background: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: inherit; }
        .header-brand img { width: 25px; height: 25px; border-radius: 4px; }
        .header-brand strong { font-size: 16px; font-weight: normal; color: var(--primary); }

        .header-actions { display: flex; gap: 10px; }
        .btn-login { background: transparent; border: 1px solid var(--primary); color: var(--primary); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-family: var(--font-primary); }
        .btn-reg { background: var(--primary); border: none; color: var(--text-inverse); padding: 6px 15px; border-radius: 20px; cursor: pointer; font-weight: 600; font-family: var(--font-primary); }

        main { max-width: 800px; margin: 0 auto; padding: 0 0 80px 0; }

        .banner-container { width: 100%; cursor: pointer; }
        .banner-container img { width: 100%; aspect-ratio: 2/1; object-fit: cover; display: block; }

        .reward-section { 
            background: linear-gradient(45deg, var(--grad-start), var(--accent)); 
            margin: 15px; padding: 25px; border-radius: 15px; text-align: center; 
            border: 1px solid var(--border-strong);
        }
        .reward-section h2 { font-size: 24px; margin-bottom: 10px; color: var(--highlight); }
        .reward-section p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-cta { 
            background: var(--primary); color: var(--text-inverse); 
            padding: 12px 30px; border-radius: 30px; font-weight: bold; 
            text-decoration: none; display: inline-block; cursor: pointer;
            font-size: 18px; box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
        }

        .info-card { 
            background: var(--bg-surface); margin: 15px; padding: 20px; 
            border-radius: 15px; border-left: 5px solid var(--primary);
        }
        .info-card h1 { font-size: 32px; color: var(--primary); margin-bottom: 10px; }
        .info-card p { color: var(--text-secondary); font-size: 16px; }

        .section-title { text-align: center; margin: 30px 15px 15px; font-size: 22px; color: var(--primary); position: relative; }
        .section-title::after { content: ''; display: block; width: 50px; height: 3px; background: var(--accent); margin: 8px auto; }

        .game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 15px; }
        .game-card { 
            background: var(--bg-surface); border-radius: 12px; overflow: hidden; 
            text-decoration: none; border: 1px solid var(--border-light); 
            transition: transform 0.2s;
        }
        .game-card:hover { transform: translateY(-5px); border-color: var(--primary); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
        .game-card h3 { font-size: 14px; color: var(--text-primary); padding: 10px; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

        .payment-grid { 
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 0 15px; 
        }
        .payment-item { 
            background: var(--bg-surface); padding: 15px 10px; border-radius: 10px; 
            text-align: center; font-size: 12px; color: var(--text-secondary);
            border: 1px solid var(--border-medium);
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 5px; }

        .guide-section { padding: 0 15px; margin-top: 20px; }
        .guide-item { 
            background: var(--bg-surface); padding: 15px; border-radius: 12px; 
            margin-bottom: 12px; border: 1px solid var(--border-medium);
        }
        .guide-item h3 { color: var(--primary); font-size: 18px; margin-bottom: 8px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid { padding: 0 15px; display: grid; gap: 15px; }
        .review-card { background: var(--bg-surface); padding: 15px; border-radius: 15px; border: 1px solid var(--border-light); }
        .review-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .review-header i { color: var(--primary); font-size: 24px; }
        .review-header .user { font-weight: bold; font-size: 15px; }
        .stars { color: var(--warning); font-size: 13px; }
        .review-body { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
        .review-date { color: var(--text-muted); font-size: 12px; display: block; text-align: right; }

        .lottery-list { padding: 0 15px; }
        .lottery-item { 
            background: var(--bg-surface); display: flex; justify-content: space-between; 
            align-items: center; padding: 12px 15px; border-radius: 10px; 
            margin-bottom: 8px; border: 1px dashed var(--primary);
        }
        .lottery-info { display: flex; gap: 10px; align-items: center; }
        .win-amount { color: var(--primary); font-weight: bold; font-family: var(--font-accent); }

        .provider-wall { 
            display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 15px; 
        }
        .provider-box { 
            background: linear-gradient(135deg, var(--bg-surface), #252525); 
            padding: 15px; border-radius: 10px; text-align: center; 
            font-weight: bold; border: 1px solid var(--border-medium); 
            color: var(--highlight); font-family: var(--font-accent);
        }

        .faq-section { padding: 0 15px; }
        .faq-item { margin-bottom: 15px; background: var(--bg-surface); border-radius: 10px; overflow: hidden; }
        .faq-question { 
            padding: 15px; background: #222; color: var(--primary); 
            cursor: pointer; font-weight: 600; display: block; width: 100%; text-align: left; border: none;
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .security-section { 
            margin: 20px 15px; padding: 20px; background: var(--bg-surface); 
            border-radius: 15px; text-align: center; border: 1px solid var(--border-medium); 
        }
        .security-badge { 
            display: inline-flex; align-items: center; gap: 8px; 
            background: rgba(40, 167, 69, 0.1); color: var(--success); 
            padding: 5px 15px; border-radius: 20px; font-size: 13px; margin: 5px;
        }
        .age-limit { margin-top: 15px; font-size: 12px; color: var(--text-muted); }

        .navigator { 
            position: fixed; bottom: 0; left: 0; right: 0; height: 65px; 
            background: var(--bg-surface); display: flex; justify-content: space-around; 
            align-items: center; border-top: 2px solid var(--primary); z-index: 1001; 
            padding-bottom: env(safe-area-inset-bottom);
        }
        .nav-item { 
            text-decoration: none; color: var(--text-secondary); 
            display: flex; flex-direction: column; align-items: center; 
            font-size: 11px; gap: 4px;
        }
        .nav-item i { font-size: 20px; color: var(--text-secondary); }
        .nav-item:hover i { color: var(--primary); }

        footer { 
            background: var(--bg-surface); padding: 30px 15px 100px 15px; 
            border-top: 1px solid var(--border-light); text-align: center; 
        }
        .footer-contact { margin-bottom: 25px; display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
        .footer-contact a { color: var(--primary); text-decoration: none; font-size: 14px; }
        .footer-links { 
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; 
            margin-bottom: 25px; text-align: left;
        }
        .footer-links a { 
            color: var(--text-secondary); text-decoration: none; 
            font-size: 13px; transition: color 0.2s; 
        }
        .footer-links a:hover { color: var(--primary); }
        .copyright { color: var(--text-muted); font-size: 12px; border-top: 1px solid var(--border-light); padding-top: 20px; }