:root {
            --primary: #FFD700;
            --primary-hover: #FFC107;
            --secondary: #C0C0C0;
            --accent: #E91E63;
            --dark: #1A1A1A;
            --bg-main: #0F0F0F;
            --bg-surface: #1E1E1E;
            --bg-card: #2A2A2A;
            --text-primary: #FFFFFF;
            --text-secondary: #BDBDBD;
            --text-muted: #757575;
            --border-default: #333333;
            --border-highlight: #FFD700;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            background-color: var(--bg-main);
            color: var(--text-primary);
            font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
            line-height: 1.5;
        }
        header {
            background-color: var(--bg-surface);
            border-bottom: 2px solid var(--primary);
            padding: 0 15px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        header .logo-area { display: flex; align-items: center; gap: 10px; }
        header img { width: 25px; height: 25px; border-radius: 50%; }
        header strong { font-size: 16px; font-weight: normal; color: var(--primary); }
        header .auth-btns { display: flex; gap: 10px; }
        .btn-auth {
            padding: 6px 15px;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            transition: 0.3s;
        }
        .btn-login { background: transparent; color: var(--text-primary); border: 1px solid var(--primary); }
        .btn-register { background: var(--primary); color: var(--dark); }
        .btn-register:hover { background: var(--primary-hover); }

        main { max-width: 1000px; margin: 0 auto; padding: 20px 15px; }
        .banner-container { margin-bottom: 20px; cursor: pointer; }
        .banner-container img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
        }

        .promo-card {
            background: linear-gradient(135deg, #2A2A2A 0%, #1A1A1A 100%);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            border: 1px solid var(--border-highlight);
            margin-bottom: 30px;
        }
        .promo-card h2 { font-family: 'Montserrat', sans-serif; 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(--primary);
            color: var(--dark);
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 18px;
            display: inline-block;
            cursor: pointer;
            border: none;
            box-shadow: 0 0 15px var(--primary);
        }

        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 24px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--primary);
            text-transform: uppercase;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 30px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            text-decoration: none;
            transition: transform 0.2s;
            border: 1px solid var(--border-default);
        }
        .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: 10px; 
            font-size: 15px; 
            text-align: center; 
            color: var(--text-primary); 
            font-family: 'Roboto', sans-serif;
        }

        .intro-card {
            background: var(--bg-surface);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid var(--primary);
            margin-bottom: 30px;
        }
        .intro-card h1 { font-family: 'Montserrat', sans-serif; font-size: 32px; 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;
        }
        .payment-item {
            background: var(--bg-card);
            padding: 15px 5px;
            text-align: center;
            border-radius: 8px;
            font-size: 12px;
            color: var(--text-secondary);
            border: 1px solid var(--border-default);
        }
        .payment-item i { display: block; font-size: 20px; color: var(--primary); margin-bottom: 8px; }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .guide-item {
            background: var(--bg-surface);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border-default);
        }
        .guide-item h3 { color: var(--primary); font-size: 18px; margin-bottom: 8px; }
        .guide-item p { color: var(--text-secondary); font-size: 14px; }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        .review-card {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            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(--secondary); }
        .review-user { font-weight: bold; color: var(--text-primary); }
        .review-stars { color: var(--primary); font-size: 13px; margin-bottom: 10px; }
        .review-text { color: var(--text-secondary); font-size: 14px; font-style: italic; margin-bottom: 10px; }
        .review-date { font-size: 12px; color: var(--text-muted); }

        .win-record {
            background: var(--bg-surface);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 30px;
        }
        .win-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            padding: 12px 10px;
            border-bottom: 1px solid var(--border-default);
            font-size: 13px;
            text-align: center;
        }
        .win-row:nth-child(even) { background: var(--bg-card); }
        .win-header { font-weight: bold; color: var(--primary); background: var(--dark); }

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

        .faq-section { margin-bottom: 30px; }
        .faq-item {
            background: var(--bg-surface);
            margin-bottom: 10px;
            border-radius: 8px;
            overflow: hidden;
        }
        .faq-question {
            padding: 15px;
            font-weight: bold;
            color: var(--primary);
            cursor: pointer;
            display: block;
            border-bottom: 1px solid var(--border-default);
        }
        .faq-answer { padding: 15px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

        .navigator {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--bg-surface);
            display: flex;
            justify-content: space-around;
            padding: 10px 0;
            border-top: 2px solid var(--primary);
            z-index: 2000;
        }
        .nav-item {
            text-decoration: none;
            color: var(--text-secondary);
            text-align: center;
            font-size: 12px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
        }
        .nav-item i { font-size: 20px; color: var(--primary); }

        footer {
            background: var(--dark);
            padding: 40px 15px 100px;
            border-top: 1px solid var(--border-default);
        }
        footer .contact-top {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
            color: var(--text-secondary);
        }
        footer .contact-top a { color: var(--primary); text-decoration: none; font-size: 14px; }
        footer .link-cols {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        footer .link-cols a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            display: block;
            margin-bottom: 8px;
        }
        footer .link-cols a:hover { color: var(--primary); }
        footer .security {
            text-align: center;
            border-top: 1px solid var(--border-default);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 12px;
        }
        footer .security i { color: var(--primary); margin-right: 5px; }

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