.inner_s4 li{width:100%;}
.inner_s4 li .pic{width:3.6rem;}
.inner_s4 li .txt{width:calc(100% - 3.6rem);}
.inner_s4 li p{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    white-space: break-spaces;
        margin-top: .2rem;}