@media (min-width:1200px){

.phone-nav { display:block}
.nav_right{ display:none}
.logo{ display:block}
.logo_mobile{ display:none}
.pro_ul li{ width:23.5%;margin-right:2%; }
.pro_ul li:nth-child(4n) { margin-right: 0px;}
.pro_ul li:nth-child(9):before { display: none;}
.pro_ul li:nth-child(10):before {display: none;}
.pro_ul li:nth-child(11):before {display: none;}
.pro_ul li:nth-child(12):before {display: none;}
.pro_ul li:nth-child(4n+4):after {display: none;}
/*相关产品*/
.guan_pro .pro_ul {padding: 0px 0px 3%;}


.f_yyqh{display:block;}
.f_cp{display:block;}
.f_fwzc{ display:block;}
.f_about{ display:block; }
.f_qyzp{ display:none}
.f_ewm{display:block; }
.f_pad{ display:none}
.copy {float:left}
/*回到顶部*/

.izl-rmenu{display:none;}

.pro_ul2 li{ width:23.5%;margin-right:2%; }
.pro_ul2 li:nth-child(4n) { margin-right: 0px;}
.pro_ul2 li:nth-child(9):before { display: none;}
.pro_ul2 li:nth-child(10):before {display: none;}
.pro_ul2 li:nth-child(11):before {display: none;}
.pro_ul2 li:nth-child(12):before {  display: none;}
.pro_ul2 li:nth-child(4n+4):after { display: none;}
.pro_com .p_left .zhe_a b{top:-120px;}
.pro_com .p_right ul li .zhe_a b{top:-100px;}
.sy_gsjj{width:800px;}
.pro_com .p_right2 ul li .zhe_a b{top:-100px;}
.picScroll-left{ display:block}
.picScroll-left_mobile{ display:none}
.slideTxtBox .bd li{width:49%}
.slideTxtBox .bd  li:nth-child(2n){float:right}
}