section{
    margin-bottom: 141px;
}
.banner_xiao{
    width:100%;
    height:auto;
}
.banner_xiao>img{
    width:100%;
    margin-top: -35px;
}
/*about_xian*/
.about_xian{
    width:100%;
    height:38px;
    margin-top: -4px;
    border-bottom: 1px solid #D2D2D2;
}
.about_xian_zi{
    width:1200px;
    margin:0 auto;
}
.about_xian_zi>p{
    color:#949494;
    font-size:12px;
    padding-top:11px;
}
/*¼ì²âÏîÄ¿ÏêÇéÒ³*/
.project_list_box{
    width:1200px;
    margin: 0 auto;
}
.project_list_box_box{
}
.pr_li_h4{
    text-align: center;
    color:#00ac91;
    margin-top:45px;
    margin-bottom:30px ;
    font-size:24px;
    font-weight: bold;
}
.project_list_box_box>p{
    line-height: 20px;
    margin-bottom: 10px;
    font-size:12px;
}