@media screen and (min-width:1200px) {
	.sj{ display:none !important;}
}
@media screen and (max-width:1199px) {		
	.pc{ display:none !important;}
	.top{ left:0; margin-left:0; width:100%; height:60px;}
	.top_dhan{ width:60px; height:60px;padding-top: 11px;}
	.top_logo img{ height:60px; padding:10px 15px;}
	.top_tel{ line-height:60px;}
	.banner{width:95%; margin:auto;}
	.sy_foot{ left:0; margin-left:0; width:100%;}
	.sy_foot_dh{ width:100%; text-align:center; padding-bottom:10px;}
	.sy_foot_dh ul li{ display:inline-block; float:none;}
	.sy_foot_bq{ width:100%; text-align:center;}
	.dh_bg.on{ height:100%;}
	.dh_bg{ left:0; margin-left:0; width:100%;}
	.dh_bg .dh ul{ width:100%; border-bottom:1px dotted rgba(255,255,255,0.2);}
	.dh_bg .dh{ top:60px; padding:0 2.5%;}
	.dh_bg .dh ul li a{ text-align:left;}
	.dh_bg .dh ul li{ display:none; padding-left:15px;}
	.dh_bg .dh ul li.dh_bt{ display:block; position:relative; height:45px; padding-left:0;}
	.dh_bg .dh ul li.dh_bt a{ float:left;font-size: 16px;line-height: 45px;}
	.dh_bg .dh ul li.dh_bt i{ position:absolute; right:0; top:0; width:45px; height:45px; background:url(../img/off.png) center no-repeat;}
	.dh_bg .dh ul li.dh_bt.on i{background:url(../img/on.png) center no-repeat;}
	.head_top{ width:95%;}
	.head_top .nav ul span{ display:none;}
	.head_top .nav ul li{ width:33.333%; border:1px solid #333; border-width:1px 1px 0 0;}
	.head_top .nav{ width:100%;border:1px solid #333; border-width:0 0 1px 1px;}
	.head_top .nav ul li a{ display:block; text-align:center;}
	.ny_nav{ width:95%;font-size: 14px; text-align:center;}
	.head_top .logo{ float:none; margin:auto;}
	.about_us{ width:95%;}
	.about{ width:95%;}
	.gongchang ul li{ width:49%;}
	.gongchang ul li:nth-child(2n){ margin:0 0 2% 0;}
	.contact_us{ width:95%;}
	.feedback{ width:95%;}
	.form_group label{ display:none;}
	.col_sm_8{ width:100%;}
	.form_control{ width:100%;}
	.form_group{ margin-bottom:2%;}
	.col_sm_3{ width:100%;}
	.form_controls{ width:100%;}
	.row_two{ width:49%; margin-right:2%;}
	.row_two:nth-child(2n){margin-right:0;}
	.news{ width:95%;}
	.products{ width:95%;}
}
@media screen and (max-width:750px) {
	.top_tel{ display:none;}
	.top_dhan{ float:right;}
	.sy_foot_tb{ right:2.5%;}
}