.about-top{background-color:#745aff;background-image:url(https://resource-cdn.kaoshibao.com/pc/e/bg_kaoshi.png);background-position:0 -1px;height:300px;min-width:1200px;padding-top:150px;position:relative}.about-top .bj-nav{background-color:rgba(0,0,0,.1)}.about-top .about-title{color:#fff;font-size:36px;line-height:48px;text-align:center}.about-top .about-nav{line-height:59px;margin:41px auto 0;width:900px}.about-top .about-nav>div{float:left;font-size:20px;text-align:center;width:300px}.about-top .about-nav>div a{color:#fff;display:block}.about-top .about-nav>div a i{font-size:24px;margin-right:5px;vertical-align:top}.about-top .about-nav>div.active,.about-top .about-nav>div:hover{background-color:#745aff}.about-tit{font-size:36px;margin-bottom:40px;position:relative;text-align:center}.about-tit:after{background-color:#745aff;content:"";display:block;height:3px;margin:15px auto;width:35px}.jiesao{padding:50px 0}.jiesao p{line-height:28px;text-align:center}.tese{padding:50px 0}.tese .tese-box>div{float:left;text-align:center;width:33.33%}.tese .tese-box>div .tese-tit{font-size:24px;line-height:48px}.tese .tese-box>div .tese-bottom{color:#666;font-size:14px;line-height:24px}.concat{padding:50px 0}.concat .concat-box>div{float:left;text-align:center;width:33.33%}.concat .concat-box>div>.top-icon{border:1px solid #ddd;border-radius:50%;color:#adb6bc;display:inline-block;font-size:40px;height:80px;line-height:60px;padding:10px;width:80px}.concat .concat-box>div .concat-tit{font-size:24px;line-height:48px}.concat .concat-box>div .concat-bottom{color:#666;font-size:14px;line-height:28px}.concat .concat-box>div .concat-bottom i{color:#adb6bc;font-size:24px;margin-right:10px;vertical-align:text-bottom}.concat .concat-box>div .concat-bottom a:hover{color:#745aff}