.row4-list ul li a .txt p {
    font-size: .18rem;
    line-height: .3rem;
    margin-bottom: .3rem;
    height: 1.2rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
    transition: .5s;
    -ms-transition: .5s;
    -moz-transition: .5s;
    -webkit-transition: .5s;
    -o-transition: .5s;}