.of-list{
    padding: 10px 42px;
}
.of-list ul{

}
.of-list ul li{
   width: 438px;
   float: left;
    margin: 0 29px 40px 0;
    border: 1px solid #ddd;
}
.of-list ul li:nth-child(3n){
    margin-right: 0px;
}
.of-list ul li .title_name{
    font-size: 24px;
    font-weight: 500;
    text-align: center;
    color: #444444;
    line-height: 33px;
}
.of-list ul li .yw-keyword{
    margin-top: 14px;
    font-size: 16px;
    font-weight: 400;
    text-align: justify;
    color: #8a8a8a;
    line-height: 28px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    line-clamp: 6;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
}
.of-list ul li img{
    width: 100%;
    height: 265px;
    object-fit: cover;
}
.yw-content-left{
    height: 245px;
    padding: 13px 20px 20px 20px;
    box-sizing: border-box;
}