/*.xm{width:100%;}*/
.ipart2 li {
    width: 25%;
    float: left;
    padding: 15px;
}
.ipart2 li img{
    width:100%;
    border-radius:5px;
}
.bai_img{width:100%;}
.bottom30{margin-bottom:30px;}


@media (max-width:555px){
    .ipart2 li {
        width: 100%;
        float: left;
        padding: 15px;
    }
}
@media (max-width: 787px){
    .ipart2 li {
        width: 50%;
        float: left;
        padding: 15px;
    }
}

.span1 {
    width: 60px;
    float: left;
    vertical-align: middle;
    height: 100%;
    margin-top: -10px;
}

.span2 {
    width: 215px;
    white-space: normal;
    float: right;
    font-size: 21px;
    margin-top: -15px;
    padding-left: 7px;
    color: #666;
}