.about{min-height:100vh}.about .content{width:1200px;margin:0 auto;position:relative;background-color:#f9f9f9}.about .content .contentView{width:1200px;padding:60px 10px 10px;padding-left:220px}.about .content .nav{position:absolute;left:0;top:60px}.about .content .nav div{width:185px;font-size:16px;background-color:#fff;color:rgba(0,0,0,.8);height:56px;line-height:56px;text-align:center;border:1px solid #ddd;border-radius:1px;cursor:pointer;margin-bottom:3px}.about .content .nav div.active,.about .content .nav div:hover{color:#fff;background-color:#1d96cf;border:1px solid #1d96cf}