.router {
    padding: 8px 0;
    margin-top: -4px;
}
.service_box{
    width: 100%;
    overflow: hidden;
    margin-bottom: 70px;
}
.service_box .banxin .service{
    padding: 20px 0;
}
.about>p{
    font-size: 14px;
    line-height: 28px;
    text-indent: 2em;
    color: #666;
}
.service>ul{
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 30px 0;
}
.service>ul li{
    width: 24%;
}
.service>ul li img{
    width: 100%;
}
.yb_box>ul>li{
    border: 1px solid #e7e7e7!important;
    margin: 10px 0;
}
.yb_box>ul>li a p{
    line-height: 42px;
    background: #e7e7e7;
    text-align: center;
    font-size: 15px;
    margin-top: -4px;
}