.back-page-btn[data-v-30a55ab1]{display:-webkit-box;display:-ms-flexbox;display:flex;width:6.73469vw;height:8.43023vh;z-index:998}.back-page-btn img[data-v-30a55ab1]{width:100%;height:100%;pointer-events:none}.body-prelearn[data-v-0ebbd8c6]{height:100vh;overflow:hidden}.body-prelearn .scroll-view[data-v-0ebbd8c6]{margin:0 auto;position:relative}.body-prelearn .scroll-view .play-bg0[data-v-0ebbd8c6]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;height:7.5vh;margin-top:1vh}.body-prelearn .scroll-view .play-bg[data-v-0ebbd8c6]{width:45vw;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-line-pack:center;align-content:center;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;background:-webkit-gradient(linear,right top,left top,from(#60b2ff),to(#1277fb));background:linear-gradient(270deg,#60b2ff,#1277fb);border-radius:50vw}.body-prelearn .scroll-view .play-img1[data-v-0ebbd8c6]{width:3vw;height:auto;margin-left:1vw;-o-object-fit:contain;object-fit:contain}.body-prelearn .scroll-view .play-img2[data-v-0ebbd8c6]{height:5vh;margin-left:1vw;-o-object-fit:contain;object-fit:contain}.body-prelearn .scroll-view .play-text[data-v-0ebbd8c6]{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-line-pack:center;align-content:center;font-size:2vw;color:#fff;font-weight:500;height:100%;z-index:2;margin-right:1vw;-webkit-box-align:center;-ms-flex-align:center;align-items:center;max-width:60%;word-wrap:break-word;text-align:end}.body-prelearn .scroll-view .listen-select .title[data-v-0ebbd8c6]{font-size:2.5vw;font-family:Yuanti SC;font-weight:700;color:#3e95fb;line-height:.613333rem;-webkit-background-clip:text}.body-prelearn .scroll-view .listen-select .select-images-container[data-v-0ebbd8c6]{width:70vw}.body-prelearn .scroll-view .listen-select .bg-item-corner[data-v-0ebbd8c6]{border-radius:10vw}.body-prelearn .scroll-view .listen-select .bg-item-corner-select[data-v-0ebbd8c6],.body-prelearn .scroll-view .listen-select .bg-item-corner[data-v-0ebbd8c6]{width:21vw;background:#fffaf6;opacity:1;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.body-prelearn .scroll-view .listen-select .bg-item-corner-select[data-v-0ebbd8c6]{border-radius:10vw;border:.5vw solid #feba04;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.body-prelearn .scroll-view .listen-select .image-listen-select[data-v-0ebbd8c6]{width:19.95vw;height:13.5vw;text-align:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;border-radius:1.5vw;margin-top:.5vw;margin-bottom:.5vw;display:-webkit-box;display:-ms-flexbox;display:flex}.body-prelearn .scroll-view .listen-select .image-listen-select-btn[data-v-0ebbd8c6]{width:16.8vw;text-align:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin-top:2vw}.body-prelearn .scroll-view .listen-select .image-audio[data-v-0ebbd8c6]{width:6vw;height:6vw}.body-prelearn .scroll-view .score-text[data-v-0ebbd8c6]{font-size:3vw;color:#eb9c36;line-height:3.5vw;letter-spacing:.5vw}.class-progress[data-v-0ebbd8c6]{height:1.6vh;border-radius:2vw;background:-webkit-gradient(linear,left top,right top,from(#5094ff),to(#59adf2));background:linear-gradient(90deg,#5094ff 0,#59adf2);-webkit-box-shadow:inset 0 0 .053333rem .026667rem #30b8ff;box-shadow:inset 0 0 .053333rem .026667rem #30b8ff}.first-col[data-v-0ebbd8c6]{z-index:30;margin:0 3.40136vw;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.first-col .img1[data-v-0ebbd8c6]{width:3.94558vw;height:3.94558vw;height:auto;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.first-col span[data-v-0ebbd8c6]{font-family:PingFang SC,PingFang SC-Semibold,苹方-简 中粗体;font-weight:600;color:rgba(79,91,103,.7490196078431373);font-size:1.08844vw;line-height:3.19767vh;margin:0 auto}