.van-progress{position:relative;height:4px;background:#e5e5e5;border-radius:4px}.van-progress__portion{position:absolute;left:0;height:100%;border-radius:inherit}.van-progress__pivot{position:absolute;top:50%;box-sizing:border-box;min-width:3.6em;padding:0 5px;font-size:10px;line-height:1.6;text-align:center;word-break:keep-all;background-color:#e5e5e5;border-radius:1em;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.van-divider{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;margin:16px 0;color:#969799;font-size:14px;line-height:24px;border-color:#ebedf0;border-style:solid;border-width:0}.van-divider:after,.van-divider:before{display:block;-webkit-box-flex:1;-webkit-flex:1;flex:1;box-sizing:border-box;height:1px;border-color:inherit;border-style:inherit;border-width:1px 0 0}.van-divider:before{content:""}.van-divider--hairline:after,.van-divider--hairline:before{-webkit-transform:scaleY(.5);transform:scaleY(.5)}.van-divider--dashed{border-style:dashed}.van-divider--content-center:before,.van-divider--content-left:before,.van-divider--content-right:before{margin-right:16px}.van-divider--content-center:after,.van-divider--content-left:after,.van-divider--content-right:after{margin-left:16px;content:""}.van-divider--content-left:before,.van-divider--content-right:after{max-width:10%}.talk-box[data-v-33e1cd34]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-33e1cd34]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-33e1cd34]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-33e1cd34]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-33e1cd34]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-33e1cd34]{margin:0;font-size:.32rem;color:#46494d;line-height:1.5}.talk-box .talk-content .tip[data-v-33e1cd34]{margin-top:.25rem;font-size:.26rem;font-weight:400;color:#b6b7b9}.talk-box .talk-content .look-list[data-v-33e1cd34]{width:100%;font-size:.28rem;color:#666782!important;background-color:#f4f6f8;border:none}.talk-box .talk-content .look-list .van-button__text[data-v-33e1cd34]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.talk-box .talk-content .look-list .van-button__text p[data-v-33e1cd34]{margin:0}.talk-box .talk-content .look-list .van-button__text .icon[data-v-33e1cd34]{position:unset;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;width:.4rem;height:.4rem;border-radius:50%;background-color:#fff}.talk-box .talk-content .select-btn[data-v-33e1cd34]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.talk-box .talk-content .select-btn img[data-v-33e1cd34]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.talk-box .talk-content .select-btn p[data-v-33e1cd34]{font-size:.32rem;font-weight:500;color:#fff}.talk-box .talk-video[data-v-33e1cd34]{position:relative;max-width:70%;border-radius:.2rem;overflow:hidden}.talk-box .talk-video img[data-v-33e1cd34]{display:block;width:100%;height:100%}.talk-box .talk-video .video-mask[data-v-33e1cd34]{position:absolute;top:0;left:0;z-index:2;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%;font-size:.28rem;border-radius:.2rem;color:#fff;background-color:rgba(0,0,0,.4)}.talk-box .talk-video .video-mask .video-icon[data-v-33e1cd34]{margin-bottom:.2rem;font-size:1.2rem;color:#fff}.talk-box .multy-select .select-title[data-v-33e1cd34]{margin-bottom:.3rem;font-size:.3rem;font-weight:400;line-height:1.5}.talk-box .multy-select .select-list[data-v-33e1cd34]{width:100%;height:auto;border-radius:.1rem;background-color:#f4f6f7!important;border:none}.talk-box .multy-select .select-list .van-button__text[data-v-33e1cd34]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:baseline;-webkit-align-items:baseline;align-items:baseline;padding:.1rem;line-height:unset}.talk-box .multy-select .select-list .van-button__text label[data-v-33e1cd34]{margin-right:.1rem;font-size:.32rem;font-weight:500;color:#666782}.talk-box .multy-select .select-list .van-button__text p[data-v-33e1cd34]{font-size:.3rem;font-weight:400;color:#46494d;text-align:left}.talk-box .multy-select .choose-list li[data-v-33e1cd34]{width:100%;background:#f4f6f7;border-radius:.1rem;padding:.25rem;font-size:.3rem;font-weight:500;color:#666782}.talk-box .multy-select .choose-list li span[data-v-33e1cd34]{color:rgba(70,73,77,.7);margin-left:.1rem}.talk-box .multy-select .choose-list li[data-v-33e1cd34]:not(:last-of-type){margin-bottom:.3rem}.talk-box .multy-select .choose-list li.active[data-v-33e1cd34]{background:#666782;color:#fff}.talk-box .multy-select .choose-list li.active span[data-v-33e1cd34]{color:#fff}.audio-box[data-v-5a7df716]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.audio-box .talk-touxiang[data-v-5a7df716]{margin-right:.22rem}.audio-box .talk-touxiang img[data-v-5a7df716]{display:block;width:.8rem;height:.8rem;border-radius:50%}.audio-box .audio-icon[data-v-5a7df716]{margin-left:.1rem;width:.66rem}.audio-box .audio-icon img[data-v-5a7df716]{display:block;width:100%}.audio-box .talk-content audio[data-v-5a7df716]{display:block;max-width:4.45rem}.overlay[data-v-5a7df716]{position:fixed;top:0;left:0;width:100%;height:100vh;z-index:99999!important;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;background-color:rgba(0,0,0,.7)}.overlay .audio-popup[data-v-5a7df716]{width:95%;margin:0 auto}.overlay .audio-popup audio[data-v-5a7df716],.overlay .audio-popup img[data-v-5a7df716]{display:block;width:100%}.overlay .lan-popup[data-v-5a7df716]{position:relative;z-index:99999;width:5.6rem;max-height:10rem;margin:0 auto;padding:.32rem .47rem;font-size:.36rem;font-weight:500;color:#5d637d;background-color:#fff;border-radius:.2rem;box-sizing:border-box}.overlay .lan-popup .course-part-title[data-v-5a7df716]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.overlay .lan-popup .course-part-title img[data-v-5a7df716]{display:block;width:.36rem;margin-right:.1rem}.overlay .lan-popup .course-part-title p[data-v-5a7df716]{margin:0;font-size:.4rem;font-weight:500;color:#5d637d}.overlay .lan-popup .translate[data-v-5a7df716]{overflow-y:scroll;margin-top:.22rem}.overlay .lan-popup .translate .infor-detail[data-v-5a7df716]{width:100%;height:7.4rem;max-height:7.4rem;overflow-y:scroll;font-size:.3rem;line-height:.5rem;text-align:justify}.overlay .lan-popup .translate .infor-detail p[data-v-5a7df716]{margin:0;font-size:.3rem;font-weight:400;color:#46494d;line-height:.5rem}.overlay .lan-popup .translate .infor-detail img[data-v-5a7df716]{display:block;width:100%;margin-bottom:.15rem}.overlay .lan-popup .mask-audio[data-v-5a7df716]{height:.94rem;margin-top:.2rem;margin-bottom:.2rem}.overlay .lan-popup .mask-audio audio[data-v-5a7df716]{max-width:4.45rem}.overlay .top-box[data-v-5a7df716]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.overlay .close img[data-v-5a7df716]{display:block;width:.88rem;margin:0 auto}.talk-box[data-v-4492891c]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-4492891c]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-4492891c]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-video[data-v-4492891c]{position:relative;width:4.52rem;border-radius:.2rem;height:2.4rem;overflow:hidden}.talk-box .talk-video .video-container[data-v-4492891c]{position:relative;z-index:1;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;width:100%;height:100%;border-radius:.2rem}.talk-box .talk-video video.video-box[data-v-4492891c]{object-fit:cover;border-radius:.2rem}.talk-box .talk-video img[data-v-4492891c]{position:absolute;top:0;z-index:2;display:block;width:100%;height:100%;object-fit:cover}.talk-box .talk-video .video-mask[data-v-4492891c]{position:absolute;top:0;left:0;z-index:3;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%;font-size:.28rem;border-radius:.2rem;color:#fff;background-color:rgba(0,0,0,.4)}.talk-box .talk-video .video-mask .video-icon[data-v-4492891c]{margin-bottom:.2rem;font-size:1.2rem;color:#fff}.overlay[data-v-4492891c]{z-index:99999!important;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;height:100vh}.overlay .video-popup[data-v-4492891c]{width:95%;margin:0 auto}.overlay .video-popup img[data-v-4492891c],.overlay .video-popup video[data-v-4492891c]{display:block;width:100%}.overlay .lan-popup[data-v-4492891c]{width:5.6rem;max-height:8.64rem;margin:0 auto;padding:.32rem .47rem;background-color:#fff;border-radius:.2rem;box-sizing:border-box}.overlay .lan-popup .course-part-title[data-v-4492891c]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:center;-webkit-align-items:center;align-items:center;margin-bottom:.24rem}.overlay .lan-popup .course-part-title img[data-v-4492891c]{display:block;width:.36rem;margin-right:.1rem}.overlay .lan-popup .course-part-title p[data-v-4492891c]{margin:0;font-size:.36rem;font-weight:500;color:#5d637d}.overlay .lan-popup .translate[data-v-4492891c]{overflow-y:scroll;margin-top:.22rem}.overlay .lan-popup .translate .infor-detail[data-v-4492891c]{width:100%;max-height:6.28rem;overflow-y:scroll}.overlay .lan-popup .translate .infor-detail p[data-v-4492891c]{margin:0;font-size:.3rem;font-weight:400;color:#46494d;line-height:1.5}.overlay .lan-popup .translate .infor-detail img[data-v-4492891c]{display:block;width:100%;margin-bottom:.15rem}.overlay .lan-popup .mask-audio[data-v-4492891c]{height:.94rem;margin-top:.2rem;margin-bottom:.2rem}.overlay .lan-popup .mask-audio audio[data-v-4492891c]{max-width:4.45rem}.overlay .close[data-v-4492891c]{position:absolute;bottom:1rem;margin-top:.67rem}.overlay .close img[data-v-4492891c]{display:block;width:.88rem;margin:0 auto}.talk-box[data-v-43f1771c]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-43f1771c]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-43f1771c]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-video[data-v-43f1771c]{position:relative;max-width:4.52rem;border-radius:.2rem;overflow:hidden}.talk-box .talk-video img[data-v-43f1771c]{display:block;width:100%;height:100%}.overlay[data-v-43f1771c]{z-index:99999!important;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center}.overlay .pic-big[data-v-43f1771c]{width:95%;margin:0 auto}.overlay .pic-big img[data-v-43f1771c]{display:block;width:100%}.talk-box[data-v-713c91af]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-713c91af]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-713c91af]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-713c91af]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-713c91af]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-713c91af]{margin:0;font-size:.3rem;color:#46494d;line-height:1.5}.talk-box .talk-content .tip[data-v-713c91af]{margin-top:.25rem;font-size:.26rem;font-weight:400;color:#b6b7b9}.talk-box .talk-content .look-list[data-v-713c91af]{width:100%;font-size:.28rem;color:#666782!important;background-color:#f4f6f8;border:none}.talk-box .talk-content .look-list .van-button__text[data-v-713c91af]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.talk-box .talk-content .look-list .van-button__text p[data-v-713c91af]{margin:0}.talk-box .talk-content .look-list .van-button__text .icon[data-v-713c91af]{position:unset;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;width:.4rem;height:.4rem;border-radius:50%;background-color:#fff}.talk-box .talk-content .select-btn[data-v-713c91af]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.talk-box .talk-content .select-btn img[data-v-713c91af]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.talk-box .talk-content .select-btn p[data-v-713c91af]{font-size:.32rem;font-weight:500;color:#fff}.talk-box .talk-content1[data-v-713c91af]{width:78%}.talk-box .talk-video[data-v-713c91af]{position:relative;max-width:70%;border-radius:.2rem;overflow:hidden}.talk-box .talk-video img[data-v-713c91af]{display:block;width:100%;height:100%}.talk-box .talk-video .video-mask[data-v-713c91af]{position:absolute;top:0;left:0;z-index:2;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%;font-size:.28rem;border-radius:.2rem;color:#fff;background-color:rgba(0,0,0,.4)}.talk-box .talk-video .video-mask .video-icon[data-v-713c91af]{margin-bottom:.2rem;font-size:1.2rem;color:#fff}.talk-box .multy-select .select-title[data-v-713c91af]{margin-bottom:.3rem;font-size:.3rem;font-weight:400;line-height:1.5}.talk-box .multy-select .select-list[data-v-713c91af]{width:100%;height:auto;border-radius:.1rem;background-color:#f4f6f7!important;border:none}.talk-box .multy-select .select-list .van-button__text[data-v-713c91af]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:baseline;-webkit-align-items:baseline;align-items:baseline;padding:.1rem;line-height:unset}.talk-box .multy-select .select-list .van-button__text label[data-v-713c91af]{margin-right:.1rem;font-size:.32rem;font-weight:500;color:#666782}.talk-box .multy-select .select-list .van-button__text p[data-v-713c91af]{font-size:.3rem;font-weight:400;color:#46494d;text-align:left}.talk-box .multy-select .choose-list li[data-v-713c91af]{width:100%;background:#f4f6f7;border-radius:.1rem;padding:.25rem;font-size:.3rem;font-weight:500;color:#666782}.talk-box .multy-select .choose-list li label[data-v-713c91af]{font-weight:600}.talk-box .multy-select .choose-list li span[data-v-713c91af]{color:rgba(70,73,77,.7);margin-left:.1rem}.talk-box .multy-select .choose-list li[data-v-713c91af]:not(:last-of-type){margin-bottom:.3rem}.talk-box .multy-select .choose-list li.active[data-v-713c91af]{background:#666782;color:#fff}.talk-box .multy-select .choose-list li.active span[data-v-713c91af]{color:#fff}.replay-box[data-v-713c91af]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;width:100%;padding:0 .24rem;margin-bottom:.6rem;box-sizing:border-box}.replay-box .talk-touxiang[data-v-713c91af]{margin-left:.22rem}.replay-box .talk-touxiang img[data-v-713c91af]{display:block;width:.8rem;height:.8rem;border-radius:50%}.replay-box .talk-content[data-v-713c91af]{position:relative;max-width:82%;padding:.3rem .3rem;background-color:#66bc90;border-radius:.2rem}.replay-box .talk-content img[data-v-713c91af]{position:absolute;top:0;right:-.1rem;display:block;width:.36rem}.replay-box .talk-content p[data-v-713c91af]{margin:0;font-size:.3rem;color:#fff;line-height:1.5}.start-overlay[data-v-713c91af]{background-color:hsla(0,0%,100%,0)}.talk-box[data-v-1c57ee64]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-1c57ee64]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-1c57ee64]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-1c57ee64]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-1c57ee64]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-1c57ee64]{margin:0;font-size:.3rem;color:#46494d;line-height:1.5}.talk-box .talk-content .multy-select .select-title[data-v-1c57ee64]{margin-bottom:.3rem;font-size:.3rem;font-weight:400;line-height:1.5}.talk-box .talk-content .multy-select .select-list[data-v-1c57ee64]{width:100%;height:auto;border-radius:.1rem;background-color:#f4f6f7!important;border:none}.talk-box .talk-content .multy-select .select-list .van-button__text[data-v-1c57ee64]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:baseline;-webkit-align-items:baseline;align-items:baseline;padding:.1rem;line-height:unset}.talk-box .talk-content .multy-select .select-list .van-button__text label[data-v-1c57ee64]{margin-right:.1rem;font-size:.32rem;font-weight:500;color:#666782}.talk-box .talk-content .multy-select .select-list .van-button__text p[data-v-1c57ee64]{font-size:.3rem;font-weight:400;color:#46494d;text-align:left}.talk-box .talk-content .multy-select .choose-list li[data-v-1c57ee64]{width:100%;background:#f4f6f7;border-radius:.1rem;padding:.25rem;font-size:.3rem;font-weight:500;color:#666782}.talk-box .talk-content .multy-select .choose-list li label[data-v-1c57ee64]{font-weight:600}.talk-box .talk-content .multy-select .choose-list li span[data-v-1c57ee64]{color:rgba(70,73,77,.7);margin-left:.1rem}.talk-box .talk-content .multy-select .choose-list li[data-v-1c57ee64]:not(:last-of-type){margin-bottom:.3rem}.talk-box .talk-content .multy-select .choose-list li.active[data-v-1c57ee64]{background:#666782;color:#fff}.talk-box .talk-content .multy-select .choose-list li.active span[data-v-1c57ee64]{color:#fff}.talk-box .talk-content .multy-select .select-btn[data-v-1c57ee64]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.talk-box .talk-content .multy-select .select-btn img[data-v-1c57ee64]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.talk-box .talk-content .multy-select .select-btn p[data-v-1c57ee64]{font-size:.32rem;font-weight:500;color:#fff}.talk-box .talk-content1[data-v-1c57ee64]{width:78%}.replay-box[data-v-1c57ee64]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;width:100%;padding:0 .24rem;margin-bottom:.6rem;box-sizing:border-box}.replay-box .talk-touxiang[data-v-1c57ee64]{margin-left:.22rem}.replay-box .talk-touxiang img[data-v-1c57ee64]{display:block;width:.8rem;height:.8rem;border-radius:50%}.replay-box .talk-content[data-v-1c57ee64]{position:relative;padding:.3rem .3rem;background-color:#66bc90;max-width:82%;border-radius:.2rem}.replay-box .talk-content img[data-v-1c57ee64]{position:absolute;top:0;right:-.1rem;display:block;width:.36rem}.replay-box .talk-content p[data-v-1c57ee64]{margin:0;font-size:.32rem;color:#fff;line-height:1.5}.start-overlay[data-v-1c57ee64]{background-color:hsla(0,0%,100%,0)}.talk-box[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-b62bc500]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-b62bc500]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-b62bc500]{position:relative;width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-b62bc500]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-b62bc500]{margin:0;font-size:.3rem;color:#46494d;line-height:1.5}.talk-box .talk-content .tip[data-v-b62bc500]{margin-top:.25rem;font-size:.26rem;font-weight:400;color:#b6b7b9}.talk-box .talk-content .look-list[data-v-b62bc500]{width:100%;font-size:.28rem;color:#666782!important;background-color:#f4f6f8;border:none}.talk-box .talk-content .look-list .van-button__text[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.talk-box .talk-content .look-list .van-button__text p[data-v-b62bc500]{margin:0}.talk-box .talk-content .look-list .van-button__text .icon[data-v-b62bc500]{position:unset;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;width:.4rem;height:.4rem;border-radius:50%;background-color:#fff}.talk-box .talk-content .select-btn[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.talk-box .talk-content .select-btn img[data-v-b62bc500]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.talk-box .talk-content .select-btn p[data-v-b62bc500]{font-size:.32rem;font-weight:500;color:#fff}.talk-box .talk-video[data-v-b62bc500]{position:relative;max-width:70%;border-radius:.2rem;overflow:hidden}.talk-box .talk-video img[data-v-b62bc500]{display:block;width:100%;height:100%}.talk-box .talk-video .video-mask[data-v-b62bc500]{position:absolute;top:0;left:0;z-index:2;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%;font-size:.28rem;border-radius:.2rem;color:#fff;background-color:rgba(0,0,0,.4)}.talk-box .talk-video .video-mask .video-icon[data-v-b62bc500]{margin-bottom:.2rem;font-size:1.2rem;color:#fff}.talk-box .multy-select .select-title[data-v-b62bc500]{margin-bottom:.3rem;font-size:.3rem;font-weight:400;line-height:1.5}.talk-box .multy-select .select-list[data-v-b62bc500]{width:100%;height:auto;border-radius:.1rem;background-color:#f4f6f7!important;border:none}.talk-box .multy-select .select-list .van-button__text[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:baseline;-webkit-align-items:baseline;align-items:baseline;padding:.1rem;line-height:unset}.talk-box .multy-select .select-list .van-button__text label[data-v-b62bc500]{margin-right:.1rem;font-size:.32rem;font-weight:500;color:#666782}.talk-box .multy-select .select-list .van-button__text p[data-v-b62bc500]{font-size:.3rem;font-weight:400;color:#46494d;text-align:left}.talk-box .multy-select .choose-list li[data-v-b62bc500]{width:100%;background:#f4f6f7;border-radius:.1rem;padding:.25rem;font-size:.3rem;font-weight:500;color:#666782}.talk-box .multy-select .choose-list li span[data-v-b62bc500]{color:rgba(70,73,77,.7);margin-left:.1rem}.talk-box .multy-select .choose-list li[data-v-b62bc500]:not(:last-of-type){margin-bottom:.3rem}.talk-box .multy-select .choose-list li.active[data-v-b62bc500]{background:#666782;color:#fff}.talk-box .multy-select .choose-list li.active span[data-v-b62bc500]{color:#fff}.talk-box .multy-select .wrap-box[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;max-width:100%;margin-top:.26rem}.talk-box .multy-select .wrap-box .look-list[data-v-b62bc500]{height:auto;min-height:44px;margin-bottom:.3rem;padding:.15rem 15px;text-align:left}.overlay[data-v-b62bc500]{position:fixed;top:0;left:0;width:100%;height:100vh;z-index:99999!important;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;background-color:rgba(0,0,0,.7)}.overlay .audio-popup[data-v-b62bc500]{width:95%;margin:0 auto}.overlay .audio-popup audio[data-v-b62bc500],.overlay .audio-popup img[data-v-b62bc500]{display:block;width:100%}.overlay .lan-popup[data-v-b62bc500]{width:5.6rem;max-height:10rem;margin:0 auto;padding:.32rem .47rem;font-size:.36rem;font-weight:500;color:#5d637d;background-color:#fff;border-radius:.2rem;box-sizing:border-box}.overlay .lan-popup .course-part-title[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.overlay .lan-popup .course-part-title img[data-v-b62bc500]{display:block;width:.36rem;margin-right:.1rem}.overlay .lan-popup .course-part-title p[data-v-b62bc500]{margin:0;font-size:.36rem;font-weight:500;color:#5d637d}.overlay .lan-popup .translate[data-v-b62bc500]{overflow-y:scroll;margin-top:.22rem}.overlay .lan-popup .translate .infor-detail[data-v-b62bc500]{width:100%;height:7.4rem;max-height:7.4rem;overflow-y:scroll;text-align:justify}.overlay .lan-popup .translate .infor-detail p[data-v-b62bc500]{margin:0;font-size:.3rem;font-weight:400;color:#46494d;line-height:1.5}.overlay .lan-popup .translate .infor-detail img[data-v-b62bc500]{display:block;width:100%;margin-bottom:.15rem}.overlay .lan-popup .translate .infor-detail div[data-v-b62bc500]{font-size:.3rem}.overlay .lan-popup .mask-audio[data-v-b62bc500]{height:.94rem;margin-top:.2rem;margin-bottom:.2rem}.overlay .lan-popup .mask-audio audio[data-v-b62bc500]{max-width:4.45rem}.overlay .top-box[data-v-b62bc500]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.overlay .close img[data-v-b62bc500]{display:block;width:.88rem;margin:0 auto}.talk-box[data-v-7f10e729]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-7f10e729]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-7f10e729]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-7f10e729]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-7f10e729]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-7f10e729]{margin:0;font-size:.3rem;color:#46494d;line-height:1.5}.replay-box[data-v-7f10e729]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;width:100%;margin-bottom:.6rem;box-sizing:border-box}.replay-box .talk-touxiang[data-v-7f10e729]{margin-left:.22rem}.replay-box .talk-touxiang img[data-v-7f10e729]{display:block;width:.8rem;height:.8rem;border-radius:50%}.replay-box .talk-content[data-v-7f10e729]{position:relative;padding:.3rem .3rem;border-radius:.2rem}.replay-box .talk-content img[data-v-7f10e729]{position:absolute;top:0;right:-.1rem;display:block;width:.36rem}.replay-box .talk-content .select-btn[data-v-7f10e729]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.replay-box .talk-content .select-btn img[data-v-7f10e729]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.replay-box .talk-content .select-btn p[data-v-7f10e729]{font-size:.32rem;font-weight:500;color:#fff}.replay-box .reply-before[data-v-7f10e729]{background-color:#fff}.replay-box .reply-before .textarea[data-v-7f10e729]{background:#f4f6f8;border-radius:5px;min-height:100px!important;max-height:450px!important}.replay-box .reply-end[data-v-7f10e729]{max-width:82%;background-color:#66bc90}.replay-box .reply-end p.talk-text[data-v-7f10e729]{margin:0;font-size:.3rem;color:#fff;line-height:1.5;word-break:break-all}.talk-box[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.talk-box .talk-touxiang[data-v-457cd458]{margin-right:.22rem}.talk-box .talk-touxiang img[data-v-457cd458]{display:block;width:.8rem;height:.8rem;border-radius:50%}.talk-box .talk-content[data-v-457cd458]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.talk-box .talk-content img[data-v-457cd458]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.talk-box .talk-content p[data-v-457cd458]{margin:0;font-size:.3rem;color:#46494d;line-height:1.5}.talk-box .talk-content .tip[data-v-457cd458]{margin-top:.25rem;font-size:.26rem;font-weight:400;color:#b6b7b9}.talk-box .talk-content .look-list[data-v-457cd458]{width:100%;font-size:.28rem;color:#666782!important;background-color:#f4f6f8;border:none}.talk-box .talk-content .look-list .van-button__text[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.talk-box .talk-content .look-list .van-button__text p[data-v-457cd458]{margin:0}.talk-box .talk-content .look-list .van-button__text .icon[data-v-457cd458]{position:unset;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;width:.4rem;height:.4rem;border-radius:50%;background-color:#fff}.talk-box .talk-content .select-btn[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:2.44rem;height:.8rem;margin:.44rem auto .22rem;background-color:#666782;border-radius:.53rem}.talk-box .talk-content .select-btn img[data-v-457cd458]{position:unset;width:.4rem;margin-right:.2rem;margin-left:.38rem}.talk-box .talk-content .select-btn p[data-v-457cd458]{font-size:.32rem;font-weight:500;color:#fff}.talk-box .talk-content[data-v-457cd458]{width:78%}.talk-box .talk-video[data-v-457cd458]{position:relative;max-width:70%;border-radius:.2rem;overflow:hidden}.talk-box .talk-video img[data-v-457cd458]{display:block;width:100%;height:100%}.talk-box .talk-video .video-mask[data-v-457cd458]{position:absolute;top:0;left:0;z-index:2;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%;font-size:.28rem;border-radius:.2rem;color:#fff;background-color:rgba(0,0,0,.4)}.talk-box .talk-video .video-mask .video-icon[data-v-457cd458]{margin-bottom:.2rem;font-size:1.2rem;color:#fff}.talk-box .multy-select .select-title[data-v-457cd458]{margin-bottom:.3rem;font-size:.3rem;font-weight:400;line-height:1.5}.talk-box .multy-select .select-list[data-v-457cd458]{width:100%;height:auto;border-radius:.1rem;background-color:#f4f6f7!important;border:none}.talk-box .multy-select .select-list.active[data-v-457cd458]{background:#666782!important}.talk-box .multy-select .select-list.active .van-button__text p[data-v-457cd458]{color:#fff}.talk-box .multy-select .select-list .van-button__text[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:baseline;-webkit-align-items:baseline;align-items:baseline;padding:.25rem 0;line-height:unset}.talk-box .multy-select .select-list .van-button__text label[data-v-457cd458]{margin-right:.1rem;font-size:.32rem;font-weight:500;color:#666782}.talk-box .multy-select .select-list .van-button__text p[data-v-457cd458]{font-size:.3rem;font-weight:400;color:rgba(70,73,77,.7);text-align:left}.talk-box .multy-select .choose-list li[data-v-457cd458]{width:100%;background:#f4f6f7;border-radius:.1rem;padding:.25rem;font-size:.3rem;font-weight:500;color:#666782}.talk-box .multy-select .choose-list li span[data-v-457cd458]{color:rgba(70,73,77,.7);margin-left:.1rem}.talk-box .multy-select .choose-list li[data-v-457cd458]:not(:last-of-type){margin-bottom:.3rem}.talk-box .multy-select .choose-list li.active[data-v-457cd458]{background:#666782;color:#fff}.talk-box .multy-select .choose-list li.active span[data-v-457cd458]{color:#fff}.talk-box .multy-select .wrap-box[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;max-width:100%;margin-top:.26rem}.talk-box .multy-select .wrap-box .select-list[data-v-457cd458]{margin-bottom:.3rem}.replay-box[data-v-457cd458]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;width:100%;padding:0 .24rem;margin-bottom:.6rem;box-sizing:border-box}.replay-box .talk-touxiang[data-v-457cd458]{margin-left:.22rem}.replay-box .talk-touxiang img[data-v-457cd458]{display:block;width:.8rem;height:.8rem;border-radius:50%}.replay-box .talk-content[data-v-457cd458]{position:relative;max-width:82%;padding:.3rem .3rem;background-color:#66bc90;border-radius:.2rem}.replay-box .talk-content img[data-v-457cd458]{position:absolute;top:0;right:-.1rem;display:block;width:.36rem}.replay-box .talk-content p[data-v-457cd458]{margin:0;font-size:.32rem;color:#fff;line-height:1.5}.back-box[data-v-2da52d58]{position:fixed;bottom:1.4rem;left:.3rem;z-index:1000;height:.8rem;padding:0 .3rem;background:rgba(102,103,130,.6);border-radius:.53rem}.back-box a[data-v-2da52d58]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:100%}.back-box img[data-v-2da52d58]{width:.4rem;height:.4rem;margin-right:.2rem}.back-box p[data-v-2da52d58]{font-size:.3rem;font-weight:400;color:#fff}.course-study[data-v-463c2ae7]{width:100%}.course-study .banner[data-v-463c2ae7]{position:relative}.course-study .banner img[data-v-463c2ae7]{display:block;width:100%;height:2.6rem;object-fit:cover}.course-study .banner .banner-mask[data-v-463c2ae7]{position:absolute;top:0;left:0;z-index:1;width:100%;height:100%;background:-webkit-linear-gradient(top,transparent,rgba(0,0,0,.5));background:linear-gradient(180deg,transparent,rgba(0,0,0,.5))}.course-study .banner .banner-mask .study-title[data-v-463c2ae7]{position:absolute;top:.9rem;left:.3rem;z-index:3}.course-study .banner .banner-mask .study-title .left .text[data-v-463c2ae7],.course-study .banner .banner-mask .study-title .left[data-v-463c2ae7],.course-study .banner .banner-mask .study-title[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center}.course-study .banner .banner-mask .study-title .left .text[data-v-463c2ae7]{height:30px;padding:0 .2rem;font-size:.28rem;color:#000;background-color:#fff;border-radius:.5rem 0 0 .5rem}.course-study .banner .banner-mask .study-title .left #triangle-topleft[data-v-463c2ae7]{margin-left:-1px;width:10px;height:0;border-top:30px solid #fff;border-right:6px solid transparent}.course-study .banner .banner-mask .study-title .right[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;position:relative;margin-left:2px}.course-study .banner .banner-mask .study-title .right .text[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;height:30px;padding:0 .2rem 0 .1rem;font-size:.4rem;color:#fff;background-color:#66bc90;border-radius:0 .5rem .5rem 0}.course-study .banner .banner-mask .study-title .right #triangle-bottomright[data-v-463c2ae7]{width:0;height:0;border-bottom:30px solid #66bc90;border-left:6px solid transparent}.course-study .banner .banner-mask .detail-title[data-v-463c2ae7]{position:absolute;top:1.7rem;left:.3rem;z-index:3;font-size:.4rem;font-weight:500;color:#fff}.course-study .main[data-v-463c2ae7]{padding-left:.3rem;padding-right:.3rem;padding-bottom:.5rem;background-color:#f4f6f8}.course-study .main .loading[data-v-463c2ae7]{padding-bottom:1rem;text-align:center}.course-study .main .divider[data-v-463c2ae7]{margin:0;padding:16px 0;border-color:#d8d8d8}.course-study .main .exercises-box[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:start;-webkit-align-items:flex-start;align-items:flex-start;width:100%;padding:0;margin-bottom:.6rem;box-sizing:border-box}.course-study .main .exercises-box .talk-touxiang[data-v-463c2ae7]{margin-right:.22rem}.course-study .main .exercises-box .talk-touxiang img[data-v-463c2ae7]{display:block;width:.8rem;height:.8rem;border-radius:50%}.course-study .main .exercises-box .talk-content[data-v-463c2ae7]{position:relative;max-width:78%;padding:.3rem .3rem;background-color:#fff;border-radius:.2rem}.course-study .main .exercises-box .talk-content p[data-v-463c2ae7]{margin:0;font-size:.32rem;color:#46494d;line-height:1.5}.course-study .main .exercises-box .talk-content .talk[data-v-463c2ae7]{position:absolute;top:0;left:-.1rem;display:block;width:.36rem}.course-study .main .exercises-box .talk-content .go-study[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:end;-webkit-justify-content:flex-end;justify-content:flex-end;-webkit-box-align:center;-webkit-align-items:center;align-items:center;width:100%;height:.92rem;margin:.4rem auto .1rem;background-color:#666782;border-radius:.46rem}.course-study .main .exercises-box .talk-content .go-study p[data-v-463c2ae7]{margin:0;font-size:.36rem;font-weight:500;text-align:center;color:#fff}.course-study .main .exercises-box .talk-content .go-study img[data-v-463c2ae7]{width:.56rem;margin-left:1rem;margin-right:.2rem}.course-study .main .exercises-box .study-box[data-v-463c2ae7]{min-width:78%}.course-study .progress[data-v-463c2ae7]{position:fixed;bottom:0;z-index:99;width:100%}.course-study .van-overlay[data-v-463c2ae7]{position:fixed}.course-study .overlay[data-v-463c2ae7]{z-index:99999!important;display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center}.course-study .overlay .video-popup[data-v-463c2ae7]{width:95%;margin:0 auto}.course-study .overlay .video-popup img[data-v-463c2ae7],.course-study .overlay .video-popup video[data-v-463c2ae7]{display:block;width:100%}.course-study .overlay .lan-popup[data-v-463c2ae7]{width:5.6rem;max-height:8.64rem;margin:0 auto;padding:.32rem .47rem;background-color:#fff;border-radius:.2rem;box-sizing:border-box}.course-study .overlay .lan-popup .course-part-title[data-v-463c2ae7]{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-pack:start;-webkit-justify-content:flex-start;justify-content:flex-start;-webkit-box-align:center;-webkit-align-items:center;align-items:center;margin-bottom:.24rem}.course-study .overlay .lan-popup .course-part-title img[data-v-463c2ae7]{display:block;width:.36rem;margin-right:.1rem}.course-study .overlay .lan-popup .course-part-title p[data-v-463c2ae7]{margin:0;font-size:.36rem;font-weight:500;color:#5d637d}.course-study .overlay .lan-popup .translate[data-v-463c2ae7]{overflow-y:scroll;margin-top:.22rem}.course-study .overlay .lan-popup .translate .infor-detail[data-v-463c2ae7]{width:100%;max-height:6.28rem;overflow-y:scroll}.course-study .overlay .lan-popup .translate .infor-detail p[data-v-463c2ae7]{margin:0;font-size:.3rem;font-weight:400;color:#46494d;line-height:1.5}.course-study .overlay .lan-popup .translate .infor-detail img[data-v-463c2ae7]{display:block;width:100%;margin-bottom:.15rem}.course-study .overlay .lan-popup .mask-audio[data-v-463c2ae7]{height:.94rem;margin-top:.2rem;margin-bottom:.2rem}.course-study .overlay .lan-popup .mask-audio audio[data-v-463c2ae7]{max-width:4.45rem}.course-study .overlay .close[data-v-463c2ae7]{position:absolute;bottom:1rem;margin-top:.67rem}.course-study .overlay .close img[data-v-463c2ae7]{display:block;width:.88rem;margin:0 auto}.course-study .overlay .block img[data-v-463c2ae7]{display:block;margin-bottom:.6rem}.course-study .overlay .block img.bottom[data-v-463c2ae7],.course-study .overlay .block img.top[data-v-463c2ae7]{width:.66rem;margin:0 auto .6rem}.course-study .overlay .block img.finger[data-v-463c2ae7]{position:relative;top:0;left:30%;width:.58rem}.course-study .overlay .block p[data-v-463c2ae7]{font-size:.32rem;font-weight:500;color:#fff}.course-study .overlay .btns-group[data-v-463c2ae7]{position:absolute;bottom:2rem}.course-study .overlay .go-use[data-v-463c2ae7]{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;width:2.4rem;height:.9rem;margin-top:.4rem;background-color:#fff;border-radius:.45rem}.course-study .overlay .go-use label[data-v-463c2ae7]{font-size:.36rem;font-weight:400;color:#666782;line-height:.42rem}.course-study .overlay .go-use img[data-v-463c2ae7]{position:unset;width:.44rem;height:.44rem;margin-left:.2rem}.course-study .white-overlay[data-v-463c2ae7]{background-color:hsla(0,0%,100%,0)}.course-study .back-box{bottom:40vh!important}