.szdw{}
.szdw li {
    width: 30%;
    display: block;
    margin: 1%;
    float: left;}
.szdw li .pic-img {
    position: relative;
    padding-top: 80%;
    width: 60%;
    margin: 0 auto;}
.szdw li .pic-img img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;}
.szdw li .bts {width: 80%;
    margin: 0 auto;
    text-align: center;
    color: #333;
    font-size: 16px;
    line-height: 35px;}
.szdw li .zys {
    width: 80%;
    margin: 0 auto;
    text-align: center;
    color: #666;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    min-height: 40px;
    line-height: 20px;
    overflow: hidden;}