* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
            max-width: 100vw;
            overflow-x: hidden;
        }
        
        .container {
            padding-bottom: 20px;
            min-height: 100vh;
        }
        
        /* 顶部导航栏 */
        .header {
            background-color: #67c23a;
            color: white;
            padding: 15px;
            text-align: center;
            position: sticky;
            top: 0;
            z-index: 10;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }
        
        .title {
            font-size: 18px;
            font-weight: bold;
        }
        
        /* 专家卡片容器 */
        .expert-container {
            padding: 15px;
        }
        
        /* 专家卡片 */
        .expert-card {
            background-color: white;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        /* 专家头像 */
        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-image: url('https://picsum.photos/200/200?random=1');
            background-size: cover;
            background-position: center;
            margin-bottom: 15px;
            border: 3px solid #e8f5e9;
        }
        
        /* 专家信息 */
        .expert-info {
            width: 100%;
            margin-bottom: 15px;
        }
        
        .expert-name {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 16px;
        }
        
        .expert-name span:first-child {
            font-weight: bold;
        }
        
        .expert-name span:last-child {
            color: #666;
            font-size: 14px;
        }
        
        .expert-research {
            font-size: 14px;
            color: #666;
            padding: 5px 0;
            border-top: 1px solid #f0f0f0;
        }
        
        /* 咨询按钮 */
        .consult-btn {
            width: 100%;
            padding: 10px;
            background-color: #1890ff;
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .consult-btn:hover {
            background-color: #40a9ff;
        }
        
        .consult-btn i {
            margin-right: 5px;
        }