.szdw-list{margin:25px 0;overflow:hidden;}
.szdw-list li{width:48.5%;float:left;margin-bottom:20px;border:1px solid #ddd;padding:15px;overflow:hidden;}
.szdw-list li.even{float:right;}
.szdw-left{width:170px;float:left;}
.szdw-left .s-pic{position:relative;overflow:hidden;height:240px;}
.szdw-left .s-pic-bg{position:absolute;width:100%;height:100%;top:0;right:0;bottom:0;left:0;}
.szdw-right{width:calc(100% - 220px);float:right;margin-top:40px;}
.szdw-right h3{font-size:18px;font-weight:bold;margin-bottom:20px;}
.szdw-right p{font-size:16px;line-height:28px;overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;height:140px;}
    
    @media screen and (max-width:1240px) {
    .szdw-list li{width:100%;}
    
    }
    
     @media screen and (max-width:500px) {
    .szdw-left{float:none;margin:0 auto;}
    .szdw-right{width:100%;float:none;margin-top:20px;}
     .szdw-right h3{text-align:center;}
    .szdw-right p{height:auto; -webkit-line-clamp: 15;}
    }