:root {
            --primary-color: #2e7d32;
            --secondary-color: #4caf50;
            --light-green: #e8f5e9;
            --dark-green: #1b5e20;
            --white: #ffffff;
            --light-gray: #f5f5f5;
            --text-color: #333333;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: var(--light-gray);
            color: var(--text-color);
            line-height: 1.6;
        }
        
        .seo-training-page {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: var(--white);
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
        }
        
        .section {
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 2px dashed var(--light-green);
        }
        
        .section-title {
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-color);
            display: inline-block;
        }
        
        /* 痛点弹幕区域样式 */
        .pain-points-section {
            position: relative;
            height: 200px;
            overflow: hidden;
            background-color: var(--light-green);
            border-radius: 8px;
            padding: 15px;
        }
        
        .pain-point {
            position: absolute;
            white-space: nowrap;
            color: var(--dark-green);
            font-weight: bold;
            padding: 5px 10px;
            background-color: rgba(255, 255, 255, 0.8);
            border-radius: 20px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        /* 培训简介样式 */
        .intro-section {
            padding: 20px;
            background-color: var(--white);
            border-left: 4px solid var(--secondary-color);
        }
        
        /* 培训模式样式 */
        .training-modes {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-between;
        }
        
        .mode-card {
            flex: 1 1 300px;
            background-color: var(--light-green);
            padding: 20px;
            border-radius: 8px;
            border-top: 4px solid var(--primary-color);
        }
        
        .mode-title {
            color: var(--dark-green);
            margin-bottom: 10px;
        }
        
        /* 获取流程样式 */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: space-between;
        }
        
        .step {
            flex: 1 1 200px;
            text-align: center;
            padding: 15px;
            background-color: var(--light-green);
            border-radius: 8px;
            position: relative;
        }
        
        .step-number {
            display: inline-block;
            width: 30px;
            height: 30px;
            background-color: var(--primary-color);
            color: var(--white);
            border-radius: 50%;
            line-height: 30px;
            margin-bottom: 10px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .training-modes, .process-steps {
                flex-direction: column;
            }
            
            .pain-points-section {
                height: 300px;
            }
        }