@media screen and (max-width:768px){.page_banner{height:230px;width:100%;margin-top:84px;background:url(../images/about/about_phone.jpg) center no-repeat;background-size:cover}.content{background:#fff;width:100%;margin:0 auto;padding:0 15px 40px}.bannerText{padding-top:100px}.bannerText .m_auto .aboutUs{font-size:16px;color:#fff;padding-left:20px}.content .changeTab span,.paraText .paragraph{font-family:"Noto Sans S Chinese Regular","Open Sans","PingFang SC","Microsoft YaHei","Helvetica Neue","Hiragino Sans GB","WenQuanYi Micro Hei",Arial,sans-serif!important;font-size:12px}.content .changeTab{margin-bottom:35px;height:40px;line-height:40px;border-bottom:1px solid #656565}.content .changeTab span{margin-right:30px;color:#aaa}.content .changeTab span.last{margin-right:0}.content .aboutZY{font-family:"Noto Sans S Chinese Regular","Open Sans","PingFang SC","Microsoft YaHei","Helvetica Neue","Hiragino Sans GB","WenQuanYi Micro Hei",Arial,sans-serif!important;padding-bottom:12px;color:#666}.content .t_border{border-bottom:1px solid #9f9fa0;width:22px;height:1px;margin-bottom:16px}.backPic2 img,.develope .devePic img,.history img,table{width:100%}.content .backPic{background:#d70c19;height:216px;color:#fff;text-align:center}.description p{line-height:24px;color:#999}.paraText{margin-bottom:20px}.paraText .paragraph{line-height:20px;color:#666}.demo_title{border-top-left-radius:4px;border-top-right-radius:4px;font-size:16px;height:30px;line-height:30px;background:#c5d7e0;margin-top:10px;color:#fff;padding-left:15px}table{border-collapse:collapse;border-spacing:0;border:1px solid #dedede;border-top:0;border-bottom:0}tbody{display:table-row-group;vertical-align:middle}tr{display:table-row}td{width:33%;border-bottom:1px solid #dedede;border-right:1px solid #dedede;text-align:center;height:80px}td img{width:50%}td.last{border-right:0}.trademarks{text-align:right;color:#fe6c6a;margin-top:20px;margin-bottom:100px}.trademark{margin-right:10px}}.content .changeTab span.act{color:#666}.proText{color:#999}@media screen and (min-width:769px){.bannerText .m_auto,.content{width:1178px;margin:0 auto}.page_banner{height:480px;background:url(../images/about/about_banner.jpg) center no-repeat;background-size:cover}.bannerText{padding-top:227px}.bannerText .m_auto .aboutUs{font-size:36px;color:#fff}.content{background:#fff}.content .changeTab{height:86px;line-height:86px;border-bottom:1px solid #656565}.content .changeTab span{font-family:"Noto Sans S Chinese Regular","Open Sans","PingFang SC","Microsoft YaHei","Helvetica Neue","Hiragino Sans GB","WenQuanYi Micro Hei",Arial,sans-serif!important;margin-right:40px;color:#aaa;font-size:14px;cursor:pointer}.description .aboutZY,.description .paragraph{font-family:"Noto Sans S Chinese Regular","Open Sans","PingFang SC","Microsoft YaHei","Helvetica Neue","Hiragino Sans GB","WenQuanYi Micro Hei",Arial,sans-serif!important;color:#656565}.content .backPic{margin-top:40px;margin-bottom:70px}.content .t_border{border-bottom:1px solid #9f9fa0;width:38px;height:1px;margin-bottom:46px}.description{margin-bottom:118px;padding-top:50px}.develope{padding-top:80px}.description .aboutZY{font-size:22px;padding-bottom:22px}.description .aboutZY .about{border-bottom:1px solid #9f9fa0;padding-bottom:22px}.description .paraText{padding-bottom:118px;width:600px}.description .paragraph{margin-top:30px;font-size:14px;line-height:24px}.develope .devePic{margin-bottom:60px}.history .hisPic{margin:70px auto 100px;text-align:center}.demo_title{border-top-left-radius:4px;border-top-right-radius:4px;font-size:20px;height:68px;line-height:68px;background:#c5d7e0;margin-top:60px;color:#fff;padding-left:30px}table{width:100%;border-collapse:collapse;border-spacing:0;border:1px solid #dedede;border-top:0;border-bottom:0}tbody{display:table-row-group;vertical-align:middle}tr{display:table-row}td{width:33.3%;border-bottom:1px solid #dedede;border-right:1px solid #dedede;text-align:center;height:130px}td.last{border-right:0}.trademarks{text-align:right;color:#fe6c6a;margin-top:20px;margin-bottom:150px}.trademark{margin-right:10px}}