section{
    margin-bottom: 141px;
}
.banner_xiao{
    width:100%;
    height:auto;
}
.banner_xiao>img{
    width:100%;
    margin-top: -47px;
}
/*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;
}
/*检测领域*/
.field{
}
.field_box{
    width:1230px;
    margin:0 auto;
    overflow: hidden;
    padding-top: 50px;
}
.field_box_nav{
    height:720px;
    float:left;
}
/*两级菜单树*/
#menubox{ width:200px; overflow:hidden;}
#menubox ul li{line-height:50px;background-color:#00ac91; border-bottom:#fff solid 1px;text-align: center;}
/*#menubox ul li:hover{*/
    /*background-image: url("../images/02.png") ;*/
    /*background-repeat: no-repeat;*/
    /*background-position: 5px center;*/
/*}*/
#menubox a{color:#ffffff;text-decoration: none}

#menubox .thismenu{
    /*background-color:#030; */
    color:#ffffff;
    border:none;}
#menubox .thismenu a{ color:#ffffff; }

#menubox .submenu{ display:none; background-color:#00ac91;padding:0px 10px}
#menubox .submenu a{ height:40px; line-height:40px; color:#303030; display:block;text-decoration: none;background: #ffffff;font-size:14px;}
#menubox .submenu a:hover{  color:#00ac91;}
#menubox>ul{
    padding-bottom:10px ;
    background: #00ac91;
}
/**/
.field_box_list{
    width:1029px;
    float:left;
}
.field_box_list_box{
    float: left;
    margin-left:40px;
    margin-bottom: 40px;
    width:303px;
    height:250px;
    position: relative;
    cursor: pointer;
}
.field_box_list_box>.field_box_list_box_box>img{
    width:100%;
}
.field_box_list_box_box{
    width:301px;
    height:35px;
    background:#70c6b8;
    position: absolute;
    bottom:0px;
    left:1px;
    z-index: 999;
    text-align: center;
    line-height: 35px;
    color:#fff;
    opacity: .9;
}
/*field_list检测领域详情页*/
.field_box_list_list{
    width:900px;
    margin-left:40px;
}
.fiel_l_h4{
    text-align:center;
    font-size:18px;
    color:#00ac91;
    margin-bottom: 40px;
}
.field_box_list_list>p{
    color:#303030;
    font-size: 14px;
    margin-top:20px;
}
.fenye{
    margin-top:50px;
    text-align: center;
}
.div_kuang{
    padding:15px 10px 10px 11px;
    /*height:45px;*/
    background:#fff;
    border:1px solid #00ac91;
    display: inline;
}
.tiaoinp{
    width:45px;
}