.nav .on{  height: 68px;
    background-color: #890824;
    position: relative;
    top: -4px;  line-height: 68px;}
.w1200{
    width: 880px;
    margin: 0 auto;}
.mt30{margin-top: 30px;}
.guide li:first-child{border: none;}
.guide li {
    float: left;
    width: calc(50% - 21px);
    border-left: 1px dashed #c1babb;
    padding: 85px 10px 20px;
    text-align: center;
    overflow: hidden;}
.guide_1 {
    background: url(/zpzlg/images/ico1.png) center 22px no-repeat;}
.guide_2 {
     background: url(/zpzlg/images/ico2.png) center 22px no-repeat;}

.guide li h5 {
    font-size: 24px;
    font-weight: normal;
    line-height: 50px;}

.guide li b {
    font-size: 16px;
    line-height: 35px;}