#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}.ro-home-content{width:100%;background:#f0f0f0;overflow:hidden;padding:20px 0;background-image:url(../img/bg-7.325ccb04.jpg);background-repeat:no-repeat;background-position:50%;background-size:cover}.ro-home-content-box{width:1140px;margin:auto;padding:40px 0}.ro-content-overflow-3{width:100%;height:72px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3}