@media screen and (max-width: 1400px) {
	.dht { margin-left:6%;}
}
@media screen and (max-width: 1200px) {
	.w1520 { margin:0 1%; width:98%;}
	.dht { display:none;}
	.sp_nav { display:block;}
	#home_slider1 { display:none;}
	#home_slider2 { display: block;}
	.flexslider .slides li { height:100%;}
	.mis { float:right;}
	.soj { display:none;}
	.chps_1 { font-size:25px;}
	.chps_3 { font-size:14px;}
	.chps { margin-top:40px;}
	.cppw li .cppw_b { font-size:14px;}
	.sy_zs_img2 ul li { margin-bottom:0;}
	.sy_zs_img { margin-top:20px;}
	.gojj_a {position:inherit; float:left; width:48%; top:0; margin:2px 0; }
	.gojj_a .gojj_a_2 { margin-top:10px;}
	.gojj_b {}
	.aob { margin-top:2%;}
	.about p { font-size:20px;}
	.hmmsw { display:block;}
	.hme{ display:none;}
}
@media screen and (max-width:769px) {
	.cppw li { width:48.4%;}
	.chps { margin-top:3%;}
	.blnm { margin-top:3%;}
	.sy_zs_img2 ul li { width:0.5%; margin-right:0.01%;}
	.sy_zs_img { margin-top:20px;}
	.gojj { padding:1%;}
	.gojj_a { width:100%;}
	.gojj_b { display:none;}
	.gojj_a .gojj_a_2 { width:100%;}
	.gojj_a .gojj_a_1a { display:block; border:1px solid #ebebeb; float:left; margin-top:10px;}
	.foot { display:none;}
	.wka { display:none;}
	.wql { width:100%;}
	.wql .wkd ul { margin-left:-2%;}
	.wql .wkd ul li { width:48%; float:left; margin-left:2%;}
	.wql .wkd .ao { width:48%;}
	.ydus { width:100%; margin:2% 0;}
	.foott { line-height:30px; padding:0% 1%;}
	.hme { height:150px;}
	.hme_a { display:none;}
	.pva .pva_a1 { width:100%; margin-bottom:3%;}
	.pva .pva_b .pva_b_2 { height:200px;}
	.wkd_a { display:none;}
	.wql .wkd_b { overflow:hidden; text-indent:40px; margin-bottom:10px; display:block;}
	.wql .wkd_b dl { font-size:14px; text-indent:40px; line-height:40px; margin-left:-1%;}
	.wql .wkd_b dt { border-bottom: solid 1px #e6e6e6; background: background: url(../images/san.png) no-repeat 10%; no-repeat 5%; width:49%; float:left; margin-left:1%;}
}	
@media screen and (max-width: 450px) {
	.block_home_slider .flex-control-paging { bottom:10px;}
	.sy_zs_img2 ul li { width:1%;}
	.cppw li { width:48%; margin-bottom:10px;}
	.cppw_c { display:none;}
	.cppw li .cppw_0 { padding:0 1%; text-align:center;}
	.cppw li .cppw_d { display:none;}
	.cppw li .cppw_b { line-height:40px;}
	.gojj { margin-top:10px;}
	.gojj_a .gojj_a_1 { overflow:auto; height:150px;}
	.about p img { width:100%;}
	.about p { line-height:50px; text-align:center;}
	.wql .wkd .ao { width:100%;} 
	.wql .wkd ul li { width:100%;}
	.tiso { display:none;}
	.about p { font-size:16px;}
	.produ li { width:49%; }
	.cases li { width:49%; text-overflow: ellipsis; white-space: nowrap; overflow: hidden;}
	.pva .pva_a { width:100%;}
	.pva .pva_b { width:100%;}
	.pva .pva_b iframe { width:500px;}
	.pv_s { padding:0 2%;}
	.pva .pva_b .pva_b_1 { font-size:18px;}
	.wql .wkd_b dt { width:100%; text-indent:50px;}
}