.about-top{height:200px;min-width:1200px;background-image:url(/_nuxt/img/7e98af2.png);background-position:0 -1px;padding-top:50px;position:relative}.about-top .bj-nav{background-color:rgba(0,0,0,.1)}.about-top .about-title{font-size:36px;line-height:48px;color:#fff;text-align:center}.about-top .about-nav{width:1200px;line-height:59px;margin:41px auto 0}.about-top .about-nav>div{width:300px;float:left;font-size:20px;text-align:center}.about-top .about-nav>div a{display:block;color:#fff}.about-top .about-nav>div a i{font-size:24px;vertical-align:top;margin-right:5px}.about-top .about-nav>div.active,.about-top .about-nav>div:hover{background-color:#157df1}.about-tit{font-size:36px;text-align:center;margin-bottom:40px;position:relative}.about-tit:after{content:"";width:35px;height:3px;display:block;margin:15px auto;background-color:#1a8cff}.jiesao{padding:50px 0}.jiesao p{text-align:center;line-height:28px}.tese{padding:50px 0}.tese .tese-box>div{width:33.33%;float:left;text-align:center}.tese .tese-box>div .tese-tit{font-size:24px;line-height:48px}.tese .tese-box>div .tese-bottom{font-size:14px;color:#666;line-height:24px}.concat{padding:50px 0}.concat .concat-box>div{width:33.33%;float:left;text-align:center}.concat .concat-box>div>.top-icon{display:inline-block;height:80px;width:80px;padding:10px;font-size:40px;line-height:60px;border:1px solid #ddd;border-radius:50%;color:#adb6bc}.concat .concat-box>div .concat-tit{font-size:24px;line-height:48px}.concat .concat-box>div .concat-bottom{font-size:14px;color:#666;line-height:28px}.concat .concat-box>div .concat-bottom i{font-size:24px;color:#adb6bc;margin-right:10px;vertical-align:text-bottom}.concat .concat-box>div .concat-bottom a:hover{color:#1a8cff}