.router {
    background-color: #ffffff;
    padding: 8px 0;
    margin-top: -4px;
}
.about>p{
    text-indent: 2em;
}
.service_box{
    width: 100%;
    overflow: hidden;
    margin-bottom: 70px;
}
.service_box .banxin .service{
    background: #fff;
    padding: 20px;
}
.service_box .banxin h3{
    font-size: 22px;
    margin: 30px 0;
    text-align: center;
}
.service_box .banxin h4{
    line-height: 34px;
    background: #f4f5f5;
    padding-left: 10px;
    margin-bottom: 10px;
    font-size: 15px;
    margin-top: 40px
}
.service_box .banxin p{
    font-size: 14px;
    line-height: 30px;
    color: #666;
}
.service_box .banxin .order_box{
    width: 100%;
    overflow: hidden;
}
.order_box .tag{
    color: red!important;
}   
.order_box .bt_tit{
    color: #333!important;
}
.about_tit h3{
    text-align: left!important;
    margin: 15px 0 5px!important;
    font-size: 16px!important;
}
.about_tit .img_box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 20px;
}
.about_tit .img_box img{
    width: 24%;
}