@charset "utf-8";.system{width:1100px;margin:0 auto;text-align:center;padding-top:140px}.system img{text-align:center;width:500px}.title h2{color:#fff;font-size:36px;letter-spacing:4px;text-align:center;line-height:120px}.title h4{color:#fff;font-size:18px;line-height:38px;text-align:center}