.n-about-tit{color:#fff;height:60px;line-height:60px;font-size:20px;padding-left:20px;margin-top:90px;margin-bottom:25px;background-color:#22a4e5}.n-qa{margin-bottom:40px}.n-content{color:#333;font-size:18px;line-height:32px;margin:0}.n-content .blue{color:#22a4e5}