.ibanner{ width:100%; padding:440px 0 50px 0; color:#fff; font-size:64px; font-weight:bold;}
.contact_banner{ line-height:200%; color:#606060;}

.know_list a{ background:#f7f7f7; display:block; margin-top:10px;}
.know_list a:hover{ background:#ec0005; color:#fff;}
.know_list a:hover img{ transform:scale(1.05);}

.know_content{ padding-bottom:100px;}

.kn_fr{ float:right;}
.kn_fl{ float:left;}
.know_img{ padding:0; position:relative;}
.know_img img{ width:100%;}

.know_img span{ position:absolute; width:100%; text-align:center; font-size:45px; color:#fff; z-index:99; font-weight:normal; line-height:250%; padding-top:42%;}
.know_img span.tl_know_img{ text-align:left; padding-top:35%; padding-left:120px;}
.know_img i{ position:absolute; width:10px; height:100%; background:#fff; overflow:hidden; z-index:99;}
.kn_fl i{ right:-10px; z-index:999;}
.know_img_box{ overflow:hidden;}

.know_content_box{ text-align:center; padding:0; }
.title_know{ font-size:105px; color:#595757; line-height:100%; margin-top:35%;}
.know_content_box p{ font-size:20px; padding:20px 0 0;}

.know_content_box em{ border:1px solid #9e9e9e; border-radius:50px; padding:13px 45px; font-style:normal; margin-top:22px; display:block; font-size:15px; font-weight:normal; display:inline-block;}
.know_content_box em i{ font-size:28px; vertical-align:middle; margin-right:5px;}
.know_list a:hover .title_know{ color:#fff;}
.know_list a:hover em{ border:1px solid #fff; background:#fff; color:#ec0005;}

a.more_know{ border:1px solid #9e9e9e; border-radius:50px; padding:11px 60px; font-style:normal; margin-top:22px; display:block; font-size:24px; letter-spacing:4px; font-weight:normal; display:inline-block; margin:0 auto; margin-top:50px;}
a.more_know:hover{ border:1px solid #ec0005; background:#ec0005; color:#fff;}



@media (min-width: 75em) {/*宽屏*/
}
@media (max-width: 1200px) {/*窄屏*/ 
}
@media (max-width: 990px) { /*ipad*/
}
@media (max-width: 767px) { /*手机尺寸*/

.ibanner{padding:170px 20px 10px 0;font-size:24px;}
.contact_banner{  line-height:180%;}


a.more_know{ padding:5px 20px; margin-top:5px; font-size:14px; letter-spacing:1px; margin-top:20px;}
a.more_know:hover{ border:1px solid #ec0005; background:#ec0005; color:#fff;}


.title_know{ font-size:30px;  margin-top:0; padding:50px 0 10px;}
.know_content_box p{ font-size:14px; padding:0 0 0; margin:0;}
.know_content_box em{ padding:5px 20px; margin-top:12px; font-size:14px;  margin-bottom:35px;}
.know_content_box em i{ font-size:24px;}

.know_content{ padding-bottom:25px;}

.know_img span{ font-size:22px; font-weight:lighter;}
.know_img span.tl_know_img{ text-align:left; padding-top:35%; padding-left:60px; font-size:22px; line-height:160%;}
.know_img i{ display:none;}
.know_img_box{ overflow:hidden;}

}