@media screen and (max-width:1030px){
.header .head ,.nav_bg .nav,.i_box_a,.i_news,.i_box_b,.f_bg .foot,.scd{width:740px; margin:0px auto;}
.nav_bg .nav li{ float:left;}
.nav_bg .nav li a{ font-size:15px; padding:0px 13px;}
.i_pl li{ margin-right:50px; margin-bottom:30px;}
.i_news .i_nr{ width:100%; margin-top:30px;}
.i_news .i_nl{ width:100%;}
.i_news .i_nl dd{ width:465px;}

.i_box_b .i_about dt{ width:100%; }
.i_box_b .i_about dt img{ width:474px; }


.i_about dd{ width:430px;}
.contact dt, .contact dt img{ width:401px; height:231px;}
.scd .scd_r{ width:510px;}
.news dl dd{ width:280px;}
.news dl dd .des{ height:98px;}
.pro_d dl dt{ float:left; margin-bottom:20px;}
.pro_d dl dd{ width:100%;}
.scd_r .pro_l li{ margin-right:26px !important;}

}
@media screen and (max-width:770px) {
.header .head ,.nav_bg .nav,.i_box_a,.i_news,.n_news,.i_box_b,.f_bg .foot,.scd,.nav_m{width:95%; margin:0px auto;}

.hot-key .content{width:95%; margin:0px auto; overflow:hidden;}
.header_nav .header{width:95%; margin:0px auto;}
.i_box_case{width:95%; margin:0px auto;}

.head .logo{ width:95%; float:none;}
.head .head_r{ width:95%; text-align:center;}

.header_nav{display:none;}
.head_l,.head_r{display:none;}
.head_l .slogan{ display:none;}

.link{ display:none;}
.head_mobile{ display:block;width:100%;}
.header_tel{display:block;}

.slides,.slides li img {
    height: auto;
}

.head_r .search{ margin-top:0px;}
.nav_m .n_icon{ display:block;}
.nav_m .nav{ display:none;}
.nav_bg{ height:auto;}
.nav_m{ min-height:50px; position:relative;}
.nav_m .nav{ width:100%; padding-top:50px;}
.nav_m .nav li , .nav_m .nav li a{ width:100%; height:50px; line-height:50px;}

.i_pl li{ margin:20px  24px 0 !important;}
.i_pl li{ width:48%; margin:1%!important; margin-bottom:40px !important; height:auto; position:relative;}
.i_pl li .pcontent{ float:left; overflow: hidden; background:#FFFFFF; position:relative;}
.i_pl li .pcontent img{ vertical-align:top;transition: all 1s;overflow: hidden;}
.i_pl li:hover .pcontent img {transform: scale(1.2);}
.i_pl li .pcontent .mask{position: absolute;width: 100%;height: 100%;background-color: rgba(23,63,157,.8);left: 0;top: 0;transition: all 1s;opacity: 0;}
.i_pl li:hover .pcontent .mask{opacity: 1;}
.i_pl li .pcontent .product-link{background: url(../images/product-link.png);width: 33px;height: 31px;position: absolute;top: -180px;bottom: 0;right: 0;left: 0;margin:auto;transition: all 1s;opacity: 0;}
.i_pl li:hover .pcontent .product-link{top: 0;opacity: 1;}
.i_pl li p{ position:absolute;background: rgba(0 , 0 , 0 , 0.5); bottom:-3px; width:100%; height:30px; line-height:30px; text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:14px; color:#ffffff;}
.i_pl li p a{ color:#ffffff;}
.i_pl li a:hover p{ color:#FD4D23;}

.fnav{ display:block;}
.f_bg .foot{ margin-bottom:40px;}

.i_p2 li{ width:48%; margin:1%!important; margin-bottom:40px !important; height:auto; position:relative;}
.i_p3 li{ width:48%; margin:1%!important; margin-bottom:40px !important; height:auto; position:relative;}
.i_p3 li p{ display:none;}

.pd50{padding:20px 0px;}

.i_news .i_nl dt , .i_news .i_nl dt img{ width:100%;}
.i_news .i_nl dd{ width:255px;}

.i_news .i_nl{ height:auto;}
.i_news .i_nl dt, .i_news .i_nl dt img{ width:100%; }
.i_news .i_nl dd{ width:100%;}

.n_news .i_nl{ width:100%; }
.n_news .i_nl dt , .n_news .i_nl dt img{ width:100%;}
.n_news .i_nl dd{ width:100%; padding-top:20px;}


.i_box_b .i_about dt{ width:100%; }
.i_box_b .i_about dt img{ }


.i_about dd{ width:100%; margin-top:20px;}
.contact dt, .contact dt img{ width:480px; height:276px; margin-bottom:20px;}
.contact dd,.scd .scd_l ,.scd .scd_r{ width:100%;}
.scd_r .pro_l li{ margin:10px 5px !important;}
.scd_r .pro_l{ padding:30px 0;}
.pro_d dl dt, .pro_d dl dt img{ width:478px; height:332px;}
.news dl dt, .news dl dt img{ width:184px; height:139px;}
.scd_r .pst{ height:auto; padding:10px 0; line-height:160%;}

.p-nav1{ display:none;}
#banner1{ display:none;}
#foot{ display:none;}
.mbanner{ display:block;}
.leftcontact{ display:none;}
.more1{display:none;}

}
@media screen and (max-width:500px) {
.header .head ,.nav_bg .nav,.i_box_a,.i_news,.n_news,.i_box_b,.f_bg .foot,.scd,.nav_m{width:95%; margin:0px auto;}
.head .logo img,.head .logo{ }
.head_r .search{ width:95%; float:none; margin-top:20px;}
.head_r .search .text{ width:95%;}

.head_l .slogan{ display:none;}
.hot-key .content{width:95%; margin:0px auto; overflow:hidden;}
.header_nav .header{width:95%; margin:0px auto;}
.i_box_case{width:95%; margin:0px auto;}

/*产品详情*/
.pro_d dl dt, .pro_d dl dt img{ /*width:318px; height:318px;*/ width:100%; height:auto;}

.fnav{ display:block;}
.f_bg .foot{ margin-bottom:40px;}

.i_pl li{ width:48%; margin:1%!important; margin-bottom:20px !important; height:auto;}
.i_pl li .pcontent{ float:left; overflow: hidden; background:#FFFFFF; position:relative;}
.i_pl li .pcontent img{ vertical-align:top;transition: all 1s;width: 100%;overflow: hidden;}
.i_pl li:hover .pcontent img {transform: scale(1.2);}
.i_pl li .pcontent .mask{position: absolute;width: 100%;height: 100%;background-color: rgba(23,63,157,.8);left: 0;top: 0;transition: all 1s;opacity: 0;}
.i_pl li:hover .pcontent .mask{opacity: 1;}
.i_pl li .pcontent .product-link{background: url(../images/product-link.png);width: 33px;height: 31px;position: absolute;top: -180px;bottom: 0;right: 0;left: 0;margin:auto;transition: all 1s;opacity: 0;}
.i_pl li:hover .pcontent .product-link{top: 0;opacity: 1;}
.i_pl li p{ position:absolute; background: rgba(0 , 0 , 0 , 0.5); bottom:-3px; width:100%; height:30px; line-height:30px; text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:14px; color:#ffffff;}
.i_pl li p a{ color:#ffffff;}
.i_pl li p a:hover { color:#FD4D23;}

.i_p3 li{ width:48%; margin:1%!important; margin-bottom:40px !important; height:auto; position:relative;}
.i_p3 li p{ display:none;}

.pd50{padding:15px 0px;}

.i_news .i_nl{ height:auto;}
.i_news .i_nl dt, .i_news .i_nl dt img{ width:100%; }
.i_news .i_nl dd{ width:100%;}

.n_news .i_nl{ width:100%; }
.n_news .i_nl dt , .n_news .i_nl dt img{ width:100%;}
.n_news .i_nl dd{ width:100%; padding-top:20px;}

.i_box_b .i_about { width:95%; margin:0 auto;}
.i_box_b .i_about dt{ width:100%; }
.i_box_b .i_about dt img{ width:474px; }

.scd_r .pro_l li{ width:47%; margin:1%!important; margin-bottom:20px !important; height:auto;}
.scd_r .pro_l li .pcontent{ float:left; overflow: hidden; background:#FFFFFF; position:relative;}
.scd_r .pro_l li .pcontent img{ vertical-align:top;transition: all 1s;width: 100%;overflow: hidden;}
.scd_r .pro_l li:hover .pcontent img {transform: scale(1.2);}
.scd_r .pro_l li .pcontent .mask{position: absolute;width: 100%;height: 100%;background-color: rgba(23,63,157,.8);left: 0;top: 0;transition: all 1s;opacity: 0;}
.scd_r .pro_l li:hover .pcontent .mask{opacity: 1;}
.scd_r .pro_l li .pcontent .product-link{background: url(../images/product-link.png);width: 33px;height: 31px;position: absolute;top: -180px;bottom: 0;right: 0;left: 0;margin:auto;transition: all 1s;opacity: 0;}
.scd_r .pro_l li:hover .pcontent .product-link{top: 0;opacity: 1;}
.scd_r .pro_l li p{ position:absolute; background: rgba(0 , 0 , 0 , 0.5); bottom:-3px; width:100%; height:30px; line-height:30px; text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:14px; color:#ffffff;}
.scd_r .pro_l li p a{ color:#ffffff;}
.scd_r .pro_l li p a:hover { color:#FD4D23;}


.pages a, .pages span, .pages input{ margin-bottom:10px;}
.contact dt, .contact dt img{ width:318px; height:182px;}

.news dl dt, .news dl dt img{ /*width:318px; height:240px;*/ width:100%; height:auto;}
.news dl dd{ width:100%; margin-top:10px;}


/*联系我*/
.about .contact_m ul li {
    width: 100%;
    /* float: left; */
    text-align: center;
    padding: 10px 0px;
}

.p-nav1{ display:none;}
#banner1{ display:none;}
#foot{ display:none;}
.mbanner{ display:block;}
.leftcontact{ display:none;}



}

img{max-width:100%;height:auto;width:auto\9; /* ie8 */}/*弹性图片*/