.of-list{
    padding: 65px 32px  20px 32px;
}
.of-list ul li{
   width: 428px;
   float: left;
    margin: 0 46px 26px 0;
}
.of-list ul li:nth-child(3n){
    margin-right: 0px;
}
.of-list ul li .vido{
    height: 284px;
}
.of-list ul li .t_name{
    font-size: 16px;
    font-weight: 400;
    text-align: center;
    color: #444444;
    line-height: 39px;
    padding: 0 10px;
}