.page_banner{background:url("../images/banner/about_banner.png") no-repeat center center}.title{width:100%;height:129px}.title_1{background:url("../images/about/title_1.png") no-repeat center center}.title_2{background:url("../images/about/title_2.png") no-repeat center center}.title_3{background:url("../images/about/title_3.png") no-repeat center center}.title_4{background:url("../images/about/title_4.png") no-repeat center center}.title_5{margin-bottom:15px;background:url("../images/about/title_5.png") no-repeat center center}.crumbs_box{border-bottom:0;margin-bottom:0}.introduce_box{background:#f8f2ec;padding:30px 0 60px}.introduce_box p{margin-bottom:40px;text-indent:2em;font-size:18px;color:#503734;line-height:1.6}.introduce_box .imgs_box:hover img{transform:scale(1.2);-webkit-transform:scale(1.2);-o-transform:scale(1.2);-ms-transform:scale(1.2);-moz-transform:scale(1.2)}.introduce_list{margin-bottom:50px}.introduce_list li{margin:0 50px;text-align:center}.introduce_list li h1{font-size:24px;color:#bb2322}.introduce_list li h1 span{font-size:48px;font-weight:bold}.introduce_list h3{margin-top:10px;color:#67553f}.culture_box{padding:80px 0}.culture_container .imgs_box{width:455px}.culture_container .imgs_box:hover img{transform:scale(1.2);-webkit-transform:scale(1.2);-o-transform:scale(1.2);-ms-transform:scale(1.2);-moz-transform:scale(1.2)}.culture_info{width:700px;margin-left:45px}.culture_info .first_box{padding:15px 0;border-top:1px dashed #e5e4e4}.culture_info .first_box:last-child{border-bottom:1px dashed #e5e4e4}.culture_info .first_box:hover h3+h3{color:#bb2322}.culture_info h3{color:#424242;padding:10px 0}.culture_info h3.flex_center{margin-right:20px;padding:10px 15px;color:#fff;background:#67553f;position:relative}.culture_info h3.flex_center::after{display:block;content:"";position:absolute;right:-16px;top:50%;border:8px solid;border-color:transparent transparent transparent #67553f;transform:translateY(-50%);-webkit-transform:translateY(-50%);-moz-transform:translateY(-50%);-ms-transform:translateY(-50%);-o-transform:translateY(-50%)}.development_box{width:100%;padding-top:30px;height:634px;background:url("../images/about/development_bg.png") no-repeat center center}.certificate_box{padding:30px 0 50px}.certificate_list li{width:290px;height:261px;margin:0 5px 10px}.certificate_list li img{max-width:290px;max-height:261px}.factory_box{padding:0px 0 50px}.factory_list li{width:290px;height:238px;margin:0 5px 10px}.factory_list li:hover img{transform:scale(1.2);-webkit-transform:scale(1.2);-o-transform:scale(1.2);-ms-transform:scale(1.2);-moz-transform:scale(1.2)}.factory_list li img{max-width:290px;max-height:238px}