.header{width:100%;top:0;position:fixed;height:70px;line-height:70px;background:#fff;z-index:999}.header .logo{height:48px;vertical-align:middle}.navbar{float:right}.navbar .nav_item{height:70px;float:left;padding:0 25px;color:#333}.navbar .active{color:#fff;background:#ff9b35}.banner{margin-top:70px}.banner img{width:100%;height:650px}.search{margin-top:22px;width:100%;text-align:center}.search img{height:44px}.server_box{margin:162px 0 100px;display:-webkit-flex;display:flex;justify-content:space-between;transition:1s;-moz-transition:1s;-webkit-transition:1s;-o-transition:1s}.server_item{width:373px;transition:.8s;-moz-transition:.8s;-webkit-transition:.8s;-o-transition:.8s}.server_img1{margin-top:0}.server_img2{margin-top:40px}.server_img3{margin-top:80px}.server_img{display:inline-block;width:100%;height:225px;transition:1s;-moz-transition:1s;-webkit-transition:1s;-o-transition:1s;opacity:.2}.server_title{margin:28px 20px 0;font-size:18px}.server_desp{margin:12px 20px 0;color:#a2a2a2}.server_btn_box{padding-top:24px;height:56px}.more_btn{margin:0 20px;text-align:center;width:88px;height:32px;line-height:32px;border:1px solid #e6e6e6;color:#a2a2a2;background:#fff;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s}.btn_active{background:#ff9b35;color:#fff;border:1px solid #ff9b35}.server_item_active{box-shadow:0 4px 18px 0 rgba(102,102,102,0.35)}.about{position:relative;height:620px;background:url(../images/beijingshan.png)}.special_box{display:-webkit-flex;display:flex;justify-content:space-around}.special_item{color:#fff;text-align:center}.special_item_img{display:inline-block;width:90px;height:90px;transition:1s;-moz-transition:1s;-webkit-transition:1s;-o-transition:1s;opacity:.2}.special_item_img1{margin-top:136px}.special_item_img2{margin-top:166px}.special_item_img3{margin-top:196px}.special_item_title{margin:5px 0;font-size:18px}.about_box{margin-left:40px;top:526px;position:absolute;background:#fff;width:1000px;height:310px;padding:10px 60px 40px;box-shadow:0 4px 18px 0 rgba(102,102,102,0.35);opacity:0;transition:1s;-moz-transition:1s;-webkit-transition:1s;-o-transition:1s}.about_desc{margin-top:50px;line-height:24px}.partner{margin:186px 0 10px}.partner_box{margin-top:66px;width:100%;display:-webkit-flex;display:flex;justify-content:space-between;flex-wrap:wrap}.partner_item{margin-bottom:77px;text-align:center;width:245px;}.partner_item img{margin-bottom:20px;display:inline-block;width:245px;height:148px;transition:1s;-moz-transition:1s;-webkit-transition:1s;-o-transition:1s;opacity:.2}.partner_item_img1{margin-top:30px}.partner_item_img2{margin-top:60px}.partner_item_img3{margin-top:90px}.partner_item_img4{margin-top:120px}.footer{color:#fff;background:#2c2c2c}.inner{position:relative}.footerRight{position:absolute;right:0;top:49px}.footerRight img{cursor:pointer}.connect_img{position:absolute}.company_name{padding-top:49px;margin-bottom:44px;font-size:18px}.company_info{line-height:24px}.beianhao{border-top:1px solid #fff;margin-top:60px;height:77px;line-height:77px;text-align:center}