        /* 容器样式 */
        .container1 {
            margin: 0 auto;
            padding: 20px 0px;
			max-width: 1400px; 
        }
        
        /* 标题样式 */
        .section-title {
            text-align: center;
            margin-bottom: 15px;
            position: relative;
			border-bottom: 2px solid #44AC50;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #1a5d3e;
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        .section-title p {
            font-size: 18px;
            color: #4a6b5a;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 优势卡片网格布局 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        /* 单个优势卡片 - 默认样式 */
        .advantage-card {
            background: white;
            border-radius: 12px;
            padding: 10px 30px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
            cursor: pointer;
            border: 2px solid transparent;
			height: 280px;
        }
        
        /* 卡片悬停效果 */
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
			 background: linear-gradient(135deg, #f0fff4, #e6ffee);
        }
        
        /* 卡片被选中时的样式 - 点击后变色 */
        .advantage-card.selected {
            border-color: #2e8b57;
            background: linear-gradient(135deg, #f0fff4, #e6ffee);
            box-shadow: 0 10px 25px rgba(46, 139, 87, 0.2);
        }
        
        /* 选中卡片中的图标颜色 */
        .advantage-card.selected .icon {
            color: #2e8b57;
        }
        
        /* 选中卡片中的标题颜色 */
        .advantage-card.selected h3 {
            color: #1a5d3e;
        }
        
        /* 选中卡片中的描述颜色 */
        .advantage-card.selected p {
            color: #2e8b57;
        }
        
        /* 选中卡片的编号样式 */
        .advantage-card.selected .card-number {
            color: rgba(46, 139, 87, 0.2);
        }
        
        /* 图标样式 */
        .icon {
            font-size: 48px;
            margin-bottom: 25px;
            display: inline-block;
            transition: transform 0.3s ease, color 0.3s ease;
            color: #2e8b57;
        }
        
        .advantage-card:hover .icon {
            transform: scale(1.1);
        }
        
        /* 卡片标题 */
        .advantage-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 20px;
			margin-top: 20px;
            color: #1a5d3e;
            transition: color 0.3s ease;
        }
        
        /* 卡片描述 */
        .advantage-card p {
            font-size: 16px;
			font-weight: bold;
            line-height: 1.8;
            transition: color 0.3s ease;
			color:#000000;
			text-align:left;
        }
        
        /* 装饰线条 */
        .section-title::after {
            content: '';
            display: block;
            width: 80px;

            margin: 20px auto 0;
            border-radius: 2px;
        }
        
        /* 卡片编号 */
        .card-number {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 14px;
            color: rgba(0, 0, 0, 0.1);
            font-weight: bold;
            transition: color 0.3s ease;
        }
        
      
   