.progress_bar{position:fixed;left:0;top:0;width:100%;height:7px;background:#fff;z-index:1100}.progress_bar .current_bar{width:0;height:7px;overflow:hidden}.progress_bar .current_bar .current_bar_bg{width:100vw;height:7px;background:linear-gradient(90deg,rgba(165,47,170,1) 0%,rgba(255,255,255,1) 100%)}