:root {
            --primary: #FFD700;
            --primary-hover: #FFC107;
            --secondary: #C0C0C0;
            --accent: #E60000;
            --bg-main: #0F0F0F;
            --bg-surface: #1A1A1A;
            --bg-surface-variant: #252525;
            --bg-overlay: rgba(0, 0, 0, 0.7);
            --text-primary: #FFFFFF;
            --text-secondary: #B0B0B0;
            --text-muted: #757575;
            --text-inverse: #000000;
            --success: #4CAF50;
            --warning: #FF9800;
            --error: #F44336;
            --info: #2196F3;
            --border-light: #333333;
            --border-medium: #444444;
            --border-strong: #FFD700;
            --font-primary: 'Roboto', 'Segoe UI', Arial, sans-serif;
            --font-heading: 'Montserrat', 'Segoe UI', Arial, sans-serif;
            --font-accent: 'Playfair Display', serif;
        }

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

        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--border-strong);
            padding: 10px 15px;
            position: sticky;
            top: 0;
            z-index: 1000;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        header .logo-area { display: flex; align-items: center; gap: 8px; }
        header .logo-area img { width: 25px; height: 25px; object-fit: cover; }
        header .logo-area strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        header .btn-auth {
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            border: none;
            font-weight: 600;
            transition: 0.3s;
        }
        header .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--primary); }
        header .btn-login:hover { background: var(--border-light); }
        header .btn-reg { background: var(--primary); color: var(--text-inverse); }
        header .btn-reg:hover { background: var(--primary-hover); }

        main { max-width: 1000px; margin: 0 auto; padding: 15px; }

        .banner-container { margin-bottom: 20px; }
        .banner-container img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 12px;
            cursor: pointer;
            display: block;
        }

        .promo-card {
            background: linear-gradient(135deg, #252525 0%, #1a1a1a 100%);
            border: 2px solid var(--primary);
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .promo-card h2 { font-family: var(--font-heading); color: var(--primary); margin-bottom: 15px; font-size: 24px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-promo {
            background: var(--primary);
            color: var(--text-inverse);
            padding: 15px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 700;
            font-size: 18px;
            display: inline-block;
            cursor: pointer;
            border: none;
            animation: pulse 2s infinite;
        }
        @keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

        .section-title {
            font-family: var(--font-heading);
            font-size: 22px;
            margin: 30px 0 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-surface-variant);
            border-radius: 12px;
            text-decoration: none;
            overflow: hidden;
            transition: transform 0.2s;
            border: 1px solid var(--border-light);
        }
        .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: 15px;
            color: var(--text-primary);
            text-align: center;
            font-weight: 500;
        }

        .intro-card {
            background: var(--bg-surface);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            margin: 30px 0;
            border: 1px solid var(--border-medium);
        }
        .intro-card h1 { font-family: var(--font-heading); color: var(--primary); font-size: 32px; margin-bottom: 15px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; line-height: 1.8; }

        .payment-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .payment-item {
            background: var(--bg-surface-variant);
            padding: 15px 5px;
            border-radius: 8px;
            text-align: center;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }

        .guideline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            border-bottom: 3px solid var(--primary);
        }
        .guide-item h3 { font-size: 17px; color: var(--primary); margin-bottom: 10px; }
        .guide-item p { font-size: 14px; color: var(--text-secondary); }

        .comment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .comment-card {
            background: var(--bg-surface-variant);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .comment-user { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .comment-user i { font-size: 30px; color: var(--secondary); }
        .comment-user span { font-weight: 600; color: var(--text-primary); }
        .comment-stars { color: #ffca28; margin-bottom: 10px; font-size: 14px; }
        .comment-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; font-style: italic; }
        .comment-date { font-size: 12px; color: var(--text-muted); text-align: right; }

        .lottery-container {
            background: var(--bg-surface);
            border-radius: 12px;
            padding: 15px;
            margin-bottom: 30px;
            border: 1px solid var(--border-medium);
        }
        .lottery-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .lottery-item:last-child { border-bottom: none; }
        .lottery-item .user { color: var(--text-primary); font-weight: 500; }
        .lottery-item .game { color: var(--text-secondary); }
        .lottery-item .amount { color: var(--primary); font-weight: 700; }
        .lottery-item .time { color: var(--text-muted); font-size: 12px; }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-item {
            background: var(--bg-surface-variant);
            padding: 15px;
            text-align: center;
            border-radius: 8px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border-light);
        }

        .faq-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        .faq-item {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .faq-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
        .faq-item p { font-size: 14px; color: var(--text-secondary); }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 10px 0;
            border-top: 2px solid var(--primary);
            z-index: 2000;
            box-shadow: 0 -5px 15px rgba(0,0,0,0.5);
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 12px;
            gap: 4px;
            flex: 1;
        }
        .nav-item i { font-size: 20px; color: var(--text-primary); }
        .nav-item:hover { color: var(--primary); }

        footer {
            background: var(--bg-surface);
            padding: 30px 15px;
            border-top: 1px solid var(--border-medium);
            margin-bottom: 80px;
        }
        footer .contact-area {
            text-align: center;
            margin-bottom: 25px;
            font-size: 14px;
        }
        footer .contact-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        footer .contact-links a { color: var(--primary); text-decoration: none; }
        
        footer .link-columns {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 30px;
            text-align: center;
        }
        footer .link-columns a {
            display: block;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 13px;
            margin-bottom: 8px;
        }
        footer .link-columns a:hover { color: var(--primary); }

        footer .security-area {
            text-align: center;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 12px;
        }
        footer .security-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 10px;
            font-size: 24px;
            color: var(--secondary);
        }

        @media (max-width: 600px) {
            .payment-grid { grid-template-columns: repeat(2, 1fr); }
            .link-columns { grid-template-columns: repeat(2, 1fr); }
        }