* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
            color: #fff;
            min-height: 100vh;
            padding: 20px;
        }
        .select-btn {
            margin-top: 10px;
            padding: 5px 15px;
            background-color: #2ecc71;
            color: white;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(0, 0, 0, 0.7);
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        }
        
        header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #ffcc00;
        }
        
        h1 {
            font-size: 2.5rem;
            color: #ffcc00;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            margin-bottom: 10px;
        }
        
        .description {
            color: #ccc;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .tab {
            padding: 12px 25px;
            margin: 0 10px 10px;
            background: #333;
            border: none;
            border-radius: 30px;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .tab:hover {
            background: #555;
            transform: translateY(-3px);
        }
        
        .tab.active {
            background: #ffcc00;
            color: #000;
            font-weight: bold;
            box-shadow: 0 0 15px rgba(255, 204, 0, 0.7);
        }
        
        .content {
            display: none;
        }
        
        .content.active {
            display: block;
        }
        
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .content-box {
            background: rgba(50, 50, 50, 0.8);
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s;
        }
         .content-box1 {
            background: rgba(33, 33, 33, 0.8);
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s;
        }
        
        .content-box:hover {
            transform: translateY(-5px);
        }
        
        .content-title {
            text-align: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #666;
            color: #ffcc00;
        }
        
        .cost {
            color: #ff9900;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        
        .skill-btn {
            display: block;
            width: 100%;
            padding: 12px;
            background: #444;
            color: #fff;
            border: none;
            border-radius: 5px;
            margin-top: 15px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: bold;
        }
        
        .skill-btn:hover {
            background: #ffcc00;
            color: #000;
        }
        
        .result {
            font-size: 14px;
            min-height: 150px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 8px;
            padding: 15px;
            margin-top: 15px;
            overflow-y: auto;
            max-height: 200px;
        }
        
        .skill-item {
            padding: 8px;
            margin-bottom: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            border-left: 3px solid #ffcc00;
        }
        
        .stats {
            background: rgba(0, 0, 0, 0.5);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
        }
        
        .stats h2 {
            color: #ffcc00;
            margin-bottom: 15px;
        }
        
        .stats-content {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
        }
        
        .stat-item {
            margin: 10px;
            padding: 15px;
            background: rgba(50, 50, 50, 0.8);
            border-radius: 10px;
            min-width: 200px;
        }
        
        .stat-value {
            font-size: 1.8rem;
            color: #ffcc00;
            margin-top: 5px;
        }
        
        .history {
            margin-top: 30px;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 10px;
            padding: 20px;
        }
        
        .history h2 {
            color: #ffcc00;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .history-list {
            max-height: 200px;
            overflow-y: auto;
        }
        
        .history-item {
            padding: 10px;
            border-bottom: 1px solid #333;
        }
        
        @media (max-width: 768px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            .tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .tab {
                width: 80%;
                margin-bottom: 10px;
            }
            
            .stats-content {
                flex-direction: column;
            }
        }