.banner{width:100%;margin-top:90px;position:relative}.banner img{display:block;width:100%}.container{width:100%;padding-top:50px;padding-bottom:123px;background:#f5f8ff}.container .container_inner{width:1180px;margin:0 auto}.case_filter{background:#fff}.case_filter_tab{-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.case_filter_tab div{height:50px;line-height:50px;font-size:18px;text-align:center;-ms-flex:1;-webkit-box-flex:1;flex:1;border-right:1px solid #999;border-bottom:1px solid #999}.option_all,.option_cont div{display:inline-block;line-height:30px;cursor:pointer}.case_filter_tab div.active{background:#4fa0ff;color:#fff;border-bottom:0}.case_filter_tab div:last-child{border-right:0}.case_filter_option{font-size:14px;padding:20px 69px;color:#999}.option_all{padding-right:69px;float:left}.option_all.active,.option_cont div.active{color:#4fa0ff}.option_cont{margin-left:97px;font-size:0}.option_cont div{min-width:180px;margin-right:5px;font-size:14px}.case_item_wrap{margin-top:40px;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;-ms-flex-wrap:wrap;flex-wrap:wrap}.case_item{width:380px;height:380px;background:#fff;margin-bottom:25px;margin-right:20px;cursor:pointer}.case_item:nth-child(3n){margin-right:0}.case_item img{display:block;width:380px;height:236px}.case_cont_wrap{padding:0 15px}.case_cont_name{color:#666;font-size:12px;line-height:20px}.case_cont_title{font-size:24px;color:#4fa0ff}.case_cont_text{font-size:14px;color:#999;line-height:20px;margin:10px 0;max-height:40px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.case_cont_fonc{color:#999;font-size:12px}.case_cont_fonc span{margin-right:30px}.banner_wrap{width:100%;position:absolute;left:0;bottom:0;background-color:rgba(0,0,0,.65);text-align:center}.banner_wrap_inner{margin:0 auto;height:98px;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.banner_item{height:50px;padding-left:10px;padding-right:20px;border-right:3px solid #dadada;display:inline-block;font-size:0}.banner_item:last-child{border-right:0}.banner_item_title{color:#cecccc;font-size:18px;line-height:20px}.banner_item_cont{color:#fdfdfd;font-size:21px;line-height:30px}.brief_wrap{background:#f5f9ff;padding:67px 0}.brief_title{width:175px;height:62px;background:url(../images/case/brief_title.png) no-repeat;font-size:30px;text-align:center;line-height:62px;margin:0 auto}.brief_cont{width:935px;margin:20px auto 0;font-size:14px;text-align:center;line-height:30px;color:#1f1f1f}.brief_table{width:816px;margin:50px auto;border-color:#c3c3c3}.brief_table tr th{background:#4fa0ff;color:#fff;font-size:18px;height:50px}.brief_table tr th img{position:relative;top:2px;margin-right:10px}.brief_table tr td{font-size:14px;padding:22px}.detail_wrap{background:#fff;padding-top:67px}.detail_item{width:1180px;margin:0 auto 100px}.detail_item_left{width:430px;font-size:0}.detail_item_left img{display:block;width:50px;margin-bottom:10px}.detail_item_left .detail_item_title{display:inline-block;font-size:18px;line-height:30px;border-bottom:3px solid #077cd2;font-weight:bolder}.detail_item_left .detail_item_cont{font-size:14px;line-height:30px;margin-top:20px}.detail_item_right img{display:block;width:620px;height:400px}.relate_case{height:670px;background:#dfedff}.relate_case_title{font-size:24px;font-weight:bolder;text-align:center;padding-top:48px}.blue_line{width:49px;height:6px;background:#5785fa;margin:10px auto 48px}.relate_case_wrap{width:1180px;margin:0 auto;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.relate_case_wrap .case_item{-webkit-box-shadow:0 3px 5px 0 rgba(3,24,90,.23);box-shadow:0 3px 5px 0 rgba(3,24,90,.23)}.relate_case_wrap .case_item:first-child,.relate_case_wrap .case_item:last-child{margin-top:38px}.go_case{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#077cd2;margin-top:20px}.go_case img{margin-left:10px}