:root {
            --primary: #FFD700;
            --secondary: #C0C0C0;
            --accent: #FF4500;
            --brand-dark: #B8860B;
            --bg-primary: #0B0B0B;
            --bg-secondary: #1A1A1A;
            --bg-tertiary: #262626;
            --bg-surface: #121212;
            --text-primary: #FFFFFF;
            --text-secondary: #E0E0E0;
            --text-muted: #A0A0A0;
            --text-disabled: #666666;
            --on-brand: #000000;
            --success: #00C853;
            --warning: #FFAB00;
            --error: #FF5252;
            --info: #2196F3;
            --border-light: #333333;
            --border-medium: #4D4D4D;
            --border-strong: #FFD700;
            --font-primary: 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Montserrat', sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-primary);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
        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 img { width: 25px; height: 25px; object-fit: contain; }
        header strong { font-size: 16px; font-weight: normal; color: var(--text-primary); }
        header .auth-buttons { display: flex; gap: 10px; }
        .btn-auth {
            padding: 6px 14px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            border: none;
            transition: 0.3s;
        }
        .btn-login { background: var(--border-medium); color: white; }
        .btn-register { background: var(--primary); color: var(--on-brand); }
        .btn-auth:hover { opacity: 0.9; transform: scale(1.05); }

        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px 100px; }
        .banner-wrap { width: 100%; margin-bottom: 20px; }
        .banner-wrap img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 15px;
            cursor: pointer;
        }

        .promo-card {
            background: linear-gradient(135deg, var(--bg-secondary), var(--brand-dark));
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            border: 1px solid var(--border-strong);
            margin-bottom: 30px;
        }
        .promo-card h2 { font-family: var(--font-heading); color: var(--primary); font-size: 28px; margin-bottom: 15px; }
        .promo-card p { color: var(--text-secondary); margin-bottom: 20px; font-size: 16px; }
        .btn-promo {
            background: var(--accent);
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: bold;
            font-size: 18px;
            border: none;
            cursor: pointer;
            text-transform: uppercase;
            box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 24px;
            color: var(--primary);
            margin: 30px 0 20px;
            text-align: center;
            text-transform: uppercase;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-surface);
            border-radius: 12px;
            text-decoration: none;
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: 0.3s;
        }
        .game-card:hover { border-color: var(--primary); transform: translateY(-5px); }
        .game-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
        .game-card h3 {
            padding: 10px;
            font-size: 14px;
            text-align: center;
            color: var(--text-primary);
            font-family: var(--font-primary);
            font-weight: 500;
        }

        .intro-card {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: 20px;
            border-left: 5px solid var(--primary);
            margin-bottom: 30px;
        }
        .intro-card h1 { font-family: var(--font-heading); font-size: 30px; color: var(--primary); margin-bottom: 10px; }
        .intro-card p { color: var(--text-secondary); font-size: 16px; }

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

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .guide-item h3 { color: var(--primary); font-size: 16px; margin-bottom: 8px; }
        .guide-item p { font-size: 13px; color: var(--text-muted); }

        .comment-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .comment-card {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-light);
        }
        .comment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .comment-header i { color: var(--primary); font-size: 20px; }
        .comment-header .user { font-weight: bold; font-size: 14px; }
        .stars { color: var(--warning); font-size: 12px; margin-bottom: 8px; }
        .comment-text { font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
        .comment-date { font-size: 11px; color: var(--text-disabled); }

        .lottery-list {
            background: var(--bg-surface);
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 30px;
            border: 1px solid var(--border-light);
        }
        .lottery-row {
            display: flex;
            justify-content: space-between;
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
        }
        .lottery-row:last-child { border: none; }
        .win-amount { color: var(--success); font-weight: bold; }

        .provider-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .provider-item {
            background: var(--bg-tertiary);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            font-weight: bold;
            color: var(--primary);
            border: 1px solid var(--border-medium);
        }

        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            padding: 15px;
        }
        .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;
            padding: 10px 0;
            border-top: 2px solid var(--border-strong);
            z-index: 1001;
        }
        .nav-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-muted);
            font-size: 12px;
            gap: 4px;
        }
        .nav-link i { font-size: 20px; color: var(--text-primary); }

        footer {
            background: var(--bg-surface);
            padding: 40px 15px 120px;
            border-top: 1px solid var(--border-medium);
            text-align: center;
        }
        .footer-contact {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
            font-size: 14px;
        }
        .footer-contact a { color: var(--text-secondary); text-decoration: none; }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
            text-align: left;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            display: block;
            margin-bottom: 8px;
        }
        .footer-security {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            font-size: 12px;
            color: var(--text-disabled);
        }
        .security-icons { margin-bottom: 10px; color: var(--primary); font-size: 24px; }

        @media (min-width: 768px) {
            .game-grid, .comment-grid, .guide-grid { grid-template-columns: repeat(4, 1fr); }
            .payment-grid { grid-template-columns: repeat(8, 1fr); }
            .provider-grid { grid-template-columns: repeat(4, 1fr); }
        }