        /* 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: 50px;
            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;
        }
        
        /* 卡片悬停效果 */
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        /* 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;
            color: #1a5d3e;
            transition: color 0.3s ease;
        }
        
        /* 卡片描述 */
        .advantage-card p {
            font-size: 16px;
            color: #4a6b5a;
            line-height: 1.8;
            transition: color 0.3s ease;
        }
        
        /* 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;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            
            .container1 {
                padding: 30px 15px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .section-title p {
                font-size: 16px;
            }
        }
        
        
        /* 弹窗样式 */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0%;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            animation: fadeIn 0.3s ease;
			font-size: 20px;
        }
        
       .modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 50px; /* 增加内边距 */
    border-radius: 12px;
    width: 90%;
    max-width: 100%;

    animation: slideIn 0.3s ease;
    position: relative;
    border-top: 5px solid #2e8b57;
    /* 使用更大字体 */
    font-size: 20px;
}

.modal-title {
    font-size: 56px; /* 更大的标题 */
    color: #1a5d3e;
    font-weight: 600;
    margin: 0 0 20px 0;
}

.modal-body {
    font-size: 42px; /* 更大的正文 */
    color: #4a6b5a;
    line-height: 1.8;
    padding: 20px 0;
}

.modal-icon {
    font-size: 50px; /* 更大的图标 */
    color: #2e8b57;
    margin-right: 20px;
}
        
        .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 28px;
            color: #999;
            cursor: pointer;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s ease;
        }
        
        .close-btn:hover {
            background-color: #f0f0f0;
            color: #333;
        }
        
        .confirm-btn {
            background-color: #2e8b57;
            color: white;
            border: none;
            padding: 12px 30px;
            font-size: 26px;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .confirm-btn:hover {
            background-color: #1a5d3e;
        }
        
        /* 弹窗动画 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideIn {
            from { 
                opacity: 0;
                transform: translateY(-50px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }