@charset "UTF-8";.progress{display:flex;height:6px;justify-content:stretch;margin-left:-2px;margin-right:-2px;position:sticky;top:0;width:100%;z-index:2}.progress .page{background:#a5ccff;border-left:1px solid #fff;flex:1;height:6px}.progress .page:hover{background:#2c5187!important;cursor:pointer}.progress .page.in_progress,.progress .page.success{background:#1677ff}.content{background:#fff;padding:1em}.content a{white-space:pre-line}.content .video-container{background:#000;height:calc(100vh - 80px);margin:-1em}.content .video-container video{background:#000;height:100%}.pager{border-bottom:1px solid #e5e5e5}.price-box{margin-bottom:20px}.price-box>div{font-size:150%;margin-bottom:5px}.price-box .old-price{text-decoration:line-through}.price-box .sale-price{color:red;font-size:180%;font-weight:700}#root{display:flex;flex-direction:column}#root .toggleAside{display:none}#root #header{align-items:center;background:#fff;border-bottom:1px solid #eee;gap:15px;padding:15px;position:sticky;top:0;z-index:1}#root #header .breadcrumbs span:before{content:" → ";font-size:12px;padding:.5em}#root #header .breadcrumbs span:first-child:before{display:none}@media screen and (max-width:1024px){#root .toggleAside{display:block}#root .breadcrumbs{display:none}#root #navigation{inset:0;position:fixed;z-index:5}#root #navigation.hidden{display:none}#root #navigation>div{background:#fff;inset:0;overflow:scroll;position:absolute;right:50px}#root #navigation:after{background:rgba(0,0,0,.3);content:"";inset:0;position:absolute;z-index:-1}#root #navigation .toggleAside{position:absolute;right:30px;top:-20px}}@media screen and (min-width:1024px){#root{flex-direction:row}#root #navigation{border-right:1px solid #e5e5e5;height:100vh;min-width:350px;position:sticky!important}#root #course{height:100vh}}#root .toggleAside svg{height:25px;width:25px}