body {
    background: #f4f4f4;
    padding-bottom: 15px!important;
	min-width: 100%!important;
	}
#pcbody{
	display: none;
}
#react-body{
	display: block;
}
#my-player{
object-fit: contain;
    object-position: center center;
   }
#course{display:none}.s-loaded-empty{text-align:center;padding-top:3.57143rem}.s-loaded-empty .icon-empty{width:8.92857rem;height:8.92857rem;background:url(//9.url.cn/edu/mobilev2/m-core/1f18ac0ca820756731d87ef7318cecd6.png) no-repeat top;background-size:8.92857rem 8.92857rem;display:inline-block;vertical-align:middle}.s-loaded-empty .empty-msg{color:#ccc;line-height:2}.s-loaded-fail{text-align:center;padding-top:3.57143rem}.s-loaded-fail .icon-fail{width:4.57143rem;height:4.57143rem;color:#ccc;border:.21429rem solid;border-radius:50%;display:inline-block;vertical-align:middle;margin-bottom:.71429rem;position:relative}.s-loaded-fail .icon-fail:after,.s-loaded-fail .icon-fail:before{content:"";width:.28571rem;height:2.28571rem;background:currentColor;position:absolute;top:.57143rem;left:50%;-webkit-transform:translate(-50%);transform:translate(-50%)}.s-loaded-fail .icon-fail:after{height:.35714rem;top:auto;bottom:.57143rem}.s-loaded-fail .fail-msg{color:#ccc;line-height:2}.s-loaded-fail .fail-msg .fail-retry{color:#23b8ff;cursor:pointer}.s-loading{text-align:center;padding-top:3.57143rem}.s-loading .loading-msg{line-height:2;color:#ccc}.s-loading-icon{display:inline-block;vertical-align:middle;width:5.35714rem;height:5.35714rem;background:url(//9.url.cn/edu/mobilev2/m-core/8abbdd89cdb23855aa6a5c6f00ef618b.gif) no-repeat top;background-size:5.14286rem 5.14286rem}.imp-viewer{position:fixed;top:0;bottom:0;left:0;right:0;background-color:#000;background-color:var(--black);z-index:4000;z-index:var(--zIndexOverlay)}.imp-viewer__inner{text-align:center;position:absolute;left:0;top:50%;width:100%;max-height:100%;overflow:auto;-webkit-transform:translateY(-50%)}.imp-viewer__inner img{width:100%}.wechat-share-mask{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.8);z-index:10020}.share__guide{background:url(//9.url.cn/edu/mobilev2/m-core/c7b54a6f4d2ce3361109ce42bdfa6476.png);position:absolute;right:1.71429rem;top:.71429rem;width:5.28571rem;height:7.14286rem;background-size:5.28571rem 7.14286rem}.mask--mp .share__guide{right:5rem}.share__txt{position:absolute;left:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);top:10.14286rem;font-size:1.71429rem;color:#fff;text-align:center}.icon-svg{width:1.71429rem;height:1.71429rem;fill:currentColor}.app-download{position:fixed;top:0;left:0;right:0;padding:.85714rem;font-size:1rem;color:#000;color:var(--black);height:3.71429rem;background:#fff;background:var(--white);z-index:1000;z-index:var(--zIndexHeader);box-shadow:0 .14286rem .71429rem 0 rgba(0,0,0,.2);display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.app-download .navigate-icon{color:#000;color:var(--black);width:1.57143rem;height:1.57143rem}.app-download .navigate-split{height:1.28571rem;border:.07143rem solid #ddd;border:.07143rem solid var(--grey-d);margin-left:.42857rem;margin-right:.42857rem}.app-download .download-wording{-webkit-box-flex:1;-webkit-flex:1;flex:1;width:1%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.app-download .download-wording .red-envelope{width:18px;margin:0 5px}.app-download .download-btns{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-align-content:center;align-content:center}.app-download .download-btns .download-btn{height:2.14286rem;font-size:1rem;padding:.28571rem 1.14286rem;border-radius:1.07143rem;margin-left:.57143rem;cursor:pointer}.app-download .download-btns .primary-btn{color:#fff;color:var(--white);background:#23b8ff;background:var(--blueLight)}.app-download .download-btns .secondary-btn{color:#000;color:var(--black);background:#edeff5}.obn-wrap{left:0;right:0;bottom:0;position:fixed;bottom:constant(safe-area-inset-bottom);bottom:env(safe-area-inset-bottom)}.obn-entry{position:absolute;bottom:4.28571rem;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:12.14286rem;height:5.28571rem;background:url(//9.url.cn/edu/mobilev2/m-core/5545c956b76d57c66800f2da4bc15a26.png) no-repeat;background-size:100%;-webkit-transition:opacity 1s;transition:opacity 1s}.obn-entry.is-hide{opacity:0;pointer-events:none}.obn-close{position:absolute;bottom:6.14286rem;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:1.5rem;height:1.5rem;background:url(//9.url.cn/edu/mobilev2/m-core/d7eb1ce9d501b101bf1c7e8e8f32fbd6.png) no-repeat;background-size:100%;-webkit-transition:opacity 1s;transition:opacity 1s;margin-left:7.5rem}.obn-close.is-hide{opacity:0;pointer-events:none}.obn-trigger{position:absolute;bottom:5.42857rem;left:50%;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:3rem;height:3rem;background-size:100%;-webkit-transition:opacity 1s;transition:opacity 1s;margin-left:7.5rem}.obn-trigger.is-hide{opacity:0;pointer-events:none}.ad-consult{position:fixed;z-index:var(--zIndexConsult);width:100%;height:12.85714rem;left:0;bottom:0;background-color:#2a2d39}.ad-consult .btn-close{position:absolute;width:1rem;height:1rem;top:.85714rem;right:.85714rem;color:#fff}.ad-consult .ad-consult-cover{position:absolute;width:40%;height:18.92857rem;left:0;top:-4.5rem;background-position:50%;background-size:cover}.ad-consult .ad-consult-bd{margin-left:.92857rem;padding-right:1.14286rem}.ad-consult .ad-consult-bd.ad-consult-pl{padding-left:40%}.ad-consult .ad-consult-bd .ad-consult-txt{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;word-wrap:break-word;margin-top:2.85714rem;font-size:.85714rem;line-height:1.14286rem;color:#777}.ad-consult .ad-consult-bd .ad-consult-btn{margin-top:2rem;display:block;width:100%;height:3.14286rem;line-height:3.14286rem;font-size:1.28571rem;color:#fff;background-color:#23b8ff;text-align:center}.s-dialog-wrap{display:none;position:fixed;left:0;right:0;top:0;bottom:0;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;background:rgba(0,0,0,.7);z-index:4000;z-index:var(--zIndexOverlay)}.s-dialog-wrap.active{display:-webkit-box;display:-webkit-flex;display:flex}.s-dialog{position:relative;width:20rem;background:#fff;border-radius:.21429rem;overflow:hidden;z-index:4000 + 5;z-index:var(--zIndexOverlay) + 5;color:#333;border-top:.28571rem solid #009eef;border-top:.28571rem solid var(--primary)}.s-dialog .dialog-bd{padding:1.42857rem .71429rem;text-align:center}.s-dialog .dialog-bd .bd-tt{font-size:1.14286rem;font-weight:700;line-height:1.3;margin-bottom:.71429rem}.s-dialog .dialog-bd .bd-txt.txt--left{text-align:left}.s-dialog .dialog-ft{overflow:hidden;text-align:center;line-height:3.14286rem;display:-webkit-box;display:-webkit-flex;display:flex}.s-dialog .dialog-ft button{line-height:normal;height:3.14286rem;border:none;background:transparent}.s-dialog .dialog-ft .ft-btn{position:relative;display:block;-webkit-box-flex:1;-webkit-flex:1;flex:1;width:1%}.s-dialog .dialog-ft .ft-btn.ft-btn--primary{color:#08cb6a;color:#009eef;color:var(--primary)}.s-dialog .dialog-ft .ft-btn:before{content:"";position:absolute;left:0;top:0;box-sizing:border-box;right:0;height:0;-webkit-transform:scaleY(.5);transform:scaleY(.5);border-top:.07143rem solid #ddd;border-top:.07143rem solid var(--grayLine)}.s-dialog .dialog-ft .ft-btn:first-of-type:after{content:"";position:absolute;left:auto;top:0;bottom:0;right:0;box-sizing:border-box;width:0;-webkit-transform:scaleX(.5);transform:scaleX(.5);border-left:.07143rem solid #ddd;border-left:.07143rem solid var(--grayLine)}.s-dialog .dialog-ft.ft--full{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column}.s-dialog .dialog-ft.ft--full .ft-btn{width:100%;border-left:none}.s-dialog .dialog-ft.ft--full .ft-btn:first-of-type:after{display:none}.dialog--close{overflow:visible;border-top:0}.dialog--close .icon-css-cross{position:absolute;color:#fff;left:50%;-webkit-transform:translate(-50%);transform:translate(-50%);bottom:-5.71429rem;width:3.14286rem;height:3.14286rem;border:.07143rem solid #ddd;border:.07143rem solid var(--grayLine);border-radius:50%}.dialog--close .icon-css-cross:after,.dialog--close .icon-css-cross:before{width:.07143rem;height:1.42857rem}:root{--colorAlert:#ff3b30;--colorAlert:var(--customColorAlert,var(--colorError));--colorInfo:#4da9e8;--colorInfo:var(--customColorInfo,#4da9e8)}.icon-tips{display:inline-block;vertical-align:middle;position:relative;width:1.14286rem;height:1.14286rem;border-radius:50%;line-height:1.14286rem;text-align:center;font-size:.85714rem;color:#fff}.icon-css-alert{background-color:#ff3b30;background-color:var(--colorAlert)}.icon-css-alert:after{content:"!"}.icon-css-info{background-color:#4da9e8;background-color:var(--colorInfo)}.icon-css-info:after{content:"i"}.icon-css-question{background-color:#4da9e8;background-color:var(--colorInfo)}.icon-css-question:after{content:"?"}.icon-css-ok{background-color:#08cb6a;background-color:var(--colorSuccess)}.icon-css-ok:after{content:"";position:absolute;top:50%;left:50%;width:.35714rem;height:.14286rem;border-bottom:.07143rem solid;border-left:.07143rem solid;-webkit-transform:translate(-50%,-50%) rotate(-52deg) scale(1.5);transform:translate(-50%,-50%) rotate(-52deg) scale(1.5);margin-top:-.07143rem}.icon-css-loading .loading-spinner-wrap{position:absolute;left:50%;top:50%;width:4.57143rem;height:4.57143rem;color:#333;-webkit-transform:translate(-50%,-50%) scale(.25);transform:translate(-50%,-50%) scale(.25)}.icon-css-loading .loading-spinner{display:block;-webkit-transform-origin:2.28571rem 2.28571rem;transform-origin:2.28571rem 2.28571rem;-webkit-animation:lds-spinner 1.2s linear infinite;animation:lds-spinner 1.2s linear infinite}.icon-css-loading .loading-spinner:after{content:" ";display:block;position:absolute;top:.21429rem;left:2.07143rem;width:.35714rem;height:1rem;border-radius:20%;background:currentColor}.icon-css-loading .loading-spinner:first-child{-webkit-transform:rotate(0deg);transform:rotate(0deg);-webkit-animation-delay:-1.1s;animation-delay:-1.1s}.icon-css-loading .loading-spinner:nth-child(2){-webkit-transform:rotate(30deg);transform:rotate(30deg);-webkit-animation-delay:-1s;animation-delay:-1s}.icon-css-loading .loading-spinner:nth-child(3){-webkit-transform:rotate(60deg);transform:rotate(60deg);-webkit-animation-delay:-.9s;animation-delay:-.9s}.icon-css-loading .loading-spinner:nth-child(4){-webkit-transform:rotate(90deg);transform:rotate(90deg);-webkit-animation-delay:-.8s;animation-delay:-.8s}.icon-css-loading .loading-spinner:nth-child(5){-webkit-transform:rotate(120deg);transform:rotate(120deg);-webkit-animation-delay:-.7s;animation-delay:-.7s}.icon-css-loading .loading-spinner:nth-child(6){-webkit-transform:rotate(150deg);transform:rotate(150deg);-webkit-animation-delay:-.6s;animation-delay:-.6s}.icon-css-loading .loading-spinner:nth-child(7){-webkit-transform:rotate(180deg);transform:rotate(180deg);-webkit-animation-delay:-.5s;animation-delay:-.5s}.icon-css-loading .loading-spinner:nth-child(8){-webkit-transform:rotate(210deg);transform:rotate(210deg);-webkit-animation-delay:-.4s;animation-delay:-.4s}.icon-css-loading .loading-spinner:nth-child(9){-webkit-transform:rotate(240deg);transform:rotate(240deg);-webkit-animation-delay:-.3s;animation-delay:-.3s}.icon-css-loading .loading-spinner:nth-child(10){-webkit-transform:rotate(270deg);transform:rotate(270deg);-webkit-animation-delay:-.2s;animation-delay:-.2s}.icon-css-loading .loading-spinner:nth-child(11){-webkit-transform:rotate(300deg);transform:rotate(300deg);-webkit-animation-delay:-.1s;animation-delay:-.1s}.icon-css-loading .loading-spinner:nth-child(12){-webkit-transform:rotate(330deg);transform:rotate(330deg);-webkit-animation-delay:0s;animation-delay:0s}@-webkit-keyframes lds-spinner{0%{opacity:1}to{opacity:0}}@keyframes lds-spinner{0%{opacity:1}to{opacity:0}}.icon-tips--m{width:1.71429rem;height:1.71429rem}.icon-tips--m:not(.icon-css-ok):after{font-size:1.28571rem;line-height:1.71429rem}.icon-tips--m.icon-css-ok:after{-webkit-transform:translate(-50%,-50%) rotate(-52deg) scale(2);transform:translate(-50%,-50%) rotate(-52deg) scale(2);display:inline-block;vertical-align:middle}.icon-tips--m.icon-css-loading .loading-spinner-wrap{-webkit-transform:translate(-50%,-50%) scale(.35);transform:translate(-50%,-50%) scale(.35)}.icon-tips--l{width:2.28571rem;height:2.28571rem}.icon-tips--l:not(.icon-css-ok):after{font-size:1.85714rem;line-height:2.28571rem}.icon-tips--l.icon-css-ok:after{-webkit-transform:translate(-50%,-50%) rotate(-52deg) scale(3);transform:translate(-50%,-50%) rotate(-52deg) scale(3);display:inline-block;vertical-align:middle}.icon-tips--l.icon-css-loading .loading-spinner-wrap{-webkit-transform:translate(-50%,-50%) scale(.5);transform:translate(-50%,-50%) scale(.5)}.s-msg-tips{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.s-msg-tips .msg-tips-txt{margin-left:.35714rem;-webkit-box-flex:1;-webkit-flex:1;flex:1}.s-msg-tips--l .msg-tips-txt{font-size:1.28571rem}.s-global-tips{display:-webkit-box;display:-webkit-flex;display:flex;position:fixed;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;left:0;right:0;background:#fff;z-index:4000;z-index:var(--zIndexOverlay);height:3.71429rem}.s-global-tips.s-global-tips--top{top:0}.s-global-tips.s-global-tips--bottom{bottom:0}.border-bottom:after,.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:after,.detail__bottom--container:before{display:block;position:absolute;right:0;left:0;border-top:.07143rem solid #e1e1e1;content:" "}.border-top,.detail__bottom--bottom,.detail__bottom--container{position:relative}.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:before{top:0}.border-bottom,.detail__bottom--container{position:relative}.border-bottom:after,.detail__bottom--container:after{bottom:0}@media only screen and (-webkit-min-device-pixel-ratio:1.5){.border-bottom:after,.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:after,.detail__bottom--container:before{-webkit-transform:scaleY(.7);transform:scaleY(.7);-webkit-transform-origin:left bottom}.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:before{-webkit-transform-origin:left top}.f-border-1px:after{right:-42.857%;bottom:-42.857%;-webkit-transform:scale(.7)}}@media only screen and (-webkit-min-device-pixel-ratio:2){.border-bottom:after,.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:after,.detail__bottom--container:before{-webkit-transform:scaleY(.5);transform:scaleY(.5)}.f-border-1px:after{right:-100%;bottom:-100%;-webkit-transform:scale(.5)}}@media only screen and (-webkit-min-device-pixel-ratio:3){.border-bottom:after,.border-top:before,.detail__bottom--bottom:before,.detail__bottom--container:after,.detail__bottom--container:before{-webkit-transform:scaleY(.3);transform:scaleY(.3)}.f-border-1px:after{right:-233.3%;bottom:-233.3%;-webkit-transform:scale(.3)}}.detail__bottom--left.detail__bottom--group{position:relative}.detail__bottom--left.detail__bottom--group:before{top:0;z-index:1}.detail__bottom--left.detail__bottom--group:after,.detail__bottom--left.detail__bottom--group:before{content:"";position:absolute;left:0;box-sizing:border-box;right:0;height:0;-webkit-transform:scaleY(.5);transform:scaleY(.5);border-top:.07143rem solid #eaeaea}.detail__bottom--left.detail__bottom--group:after{top:0;top:auto;bottom:0}.detail__bottom--space2{height:3.71429rem}.detail__bottom--bottom,.detail__bottom--container{background-color:#fff;background-color:var(--white);display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;height:3.71429rem;overflow:hidden}.detail__bottom--bottom svg.icon-svg,.detail__bottom--container svg.icon-svg{vertical-align:middle}.detail__bottom--container{position:relative;overflow:hidden}.detail__bottom--container.detail__bottom--empty:before{display:none}.detail__bottom--left{width:64%;background-color:#fff;background-color:var(--white);position:relative;height:3.71429rem}.detail__bottom--left.detail__bottom--half{background-color:rgba(255,105,35,.1);width:50%;height:100%;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column}.detail__bottom--left.detail__bottom--group,.detail__bottom--left.detail__bottom--half{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.detail__bottom--left.detail__bottom--group{padding-left:1.14286rem}.detail__bottom--left.detail__bottom--empty,.detail__bottom--left.detail__bottom--line{width:0;overflow:hidden}.detail__bottom--right{-webkit-box-flex:1;-webkit-flex:1;flex:1}.detail__bottom--right.detail__bottom--group,.detail__bottom--right.detail__bottom--half{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column}.detail__bottom--right.detail__bottom--group,.detail__bottom--right.detail__bottom--half,.detail__bottom--right.detail__bottom--line{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;height:100%;background-image:-webkit-linear-gradient(right,#f44336,#ff6923);background-image:linear-gradient(270deg,#f44336,#ff6923);color:#fff;color:var(--white)}.detail__bottom--wrapper{position:fixed;left:0;right:0;bottom:0;z-index:2000;z-index:var(--zIndexFooter)}.detail__bottom--btn{background-color:#23b8ff;background-color:var(--blueLight);color:#fff;color:var(--white)}.detail__bottom--btn,.discount__bottom--basic{text-align:center;line-height:3.71429rem;font-size:1.14286rem}.discount__bottom--basic{color:#777;color:var(--grey-7)}.detail__text--orange{font-size:1.14286rem;color:#f4621f;color:var(--orangePrice)}.detail__text--orange .svg.icon-svg{width:1.14286rem;height:1.14286rem}.detail__text--delete,.detail__text--gray,.discount__price--source{font-size:.85714rem;color:#777;color:var(--grey-7)}.detail__text--delete,.discount__price--source{text-decoration:line-through}.discount__price--source{margin-left:.57143rem;vertical-align:.14286rem}.detail__info{padding:.28571rem 1.14286rem}.detail__bottom--enter{-webkit-animation:bottom-in .2s forwards;animation:bottom-in .2s forwards}.detail__bottom--leave{height:0;-webkit-animation:bottom-out .2s forwards;animation:bottom-out .2s forwards}.detail__bottom--leave2{height:0}@-webkit-keyframes bottom-out{to{height:0}}@keyframes bottom-out{to{height:0}}@-webkit-keyframes bottom-in{0%{height:0}to{height:3.71429rem}}@keyframes bottom-in{0%{height:0}to{height:3.71429rem}}.bargain__bottom--price{margin-right:.21429rem}.bargain__price--source{font-size:1.14286rem;margin:0 .21429rem}.bottom-btn,.detail__bottom--line .bargin__info-des{font-size:1.14286rem}.bottom-btn{display:block;width:100%;height:3.71429rem;color:#fff;color:var(--white);background:#23b8ff;background:var(--blueLight);border:0;padding:0}.bottom-btn.coupon{background-image:-webkit-linear-gradient(right,#f44336,#ff6923);background-image:linear-gradient(270deg,#f44336,#ff6923)}.bottom-btn:focus{outline:none}.bottom-btn.active{color:#f1bca6;background:#e26410}.bottom-btn.active:disabled,.bottom-btn:disabled{color:#ccc;color:var(--grey-c);background:#eee;background:var(--grey-e)}.bottom-btn.study{background:#23b8ff;background:var(--blueLight)}.bottom-btn.study.active{color:#a5c5ec;background:#0a7cd8}.bottom-btn.red,.bottom-btn.red.active{background:#d12928}.bottom-btn.partner{background:#23b8ff;background:var(--blueLight);color:#fff;color:var(--white)}.bottom-btn.reset{background:#fff;background:var(--white);color:#009eef;color:var(--customPrimary)}.bottom-modal-mask{position:fixed;top:-100%;bottom:0;left:0;right:0;background:rgba(0,0,0,.5);z-index:4040;z-index:var(--zIndexBottomModalMask)}.bottom-modal-wrapper{position:fixed;bottom:0;left:0;right:0;z-index:4050;z-index:var(--zIndexBottomModal)}.bottom-modal-wrapper 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