body{margin:0}*{-webkit-box-sizing:border-box;box-sizing:border-box}.welcome{position:fixed;top:0;right:0;bottom:0;left:0}.welcome,.welcome-content{background-repeat:no-repeat;background-position:50%}.welcome-content{position:relative;top:24%;left:50%;-webkit-transform:translate(-50%);transform:translate(-50%);width:100%;max-width:815px;height:459px}.welcome-button{position:absolute;right:66px;bottom:70px;display:inline-block;width:300px;line-height:50px;color:#fff;background-color:#409eff;border-color:#409eff;text-align:center;-webkit-transition:.1s;transition:.1s;font-size:18px;border-radius:100px;text-decoration:none}.welcome-footer{position:absolute;bottom:20px;left:50%;-webkit-transform:translate(-50%);transform:translate(-50%);color:#fff}.lihang .welcome-button{right:50%;-webkit-transform:translate(50%);transform:translate(50%)}.guide{position:absolute;right:68px;bottom:35px;font-size:12px;color:#409eff}