.cover-container[data-v-f7e468ac]{position:relative;display:inline-block}.cover[data-v-f7e468ac]{border:1px solid #eee;object-fit:cover}[data-v-f7e468ac] .el-skeleton .el-skeleton__item.el-skeleton__image{border:1px solid #eee}.close-page-btn[data-v-01ba23dc]{position:relative;margin-left:16px}.close-page-btn .close-text[data-v-01ba23dc]{position:absolute;padding:0 10px;border-radius:4px;background:#303133;color:#fff;bottom:38px;left:-8px;font-size:12px;line-height:34px;height:34px;white-space:nowrap}.close-page-btn .close-text[data-v-01ba23dc]:after{content:" ";border-width:5px;position:absolute;left:17px;top:100%;width:0;height:0;border-color:transparent;border-style:solid;border-top-color:#303133}.close-page-btn .close-icon[data-v-01ba23dc]{display:block;width:28px;height:28px;line-height:25px;text-align:center;border-radius:6px;background:#0069ff;font-size:22px;color:#fff;cursor:pointer}.close-page-btn .close-icon[data-v-01ba23dc]:hover{background:#4494ff}.close-page-btn[data-v-01ba23dc]:before{position:absolute;left:-16px;top:8px;content:"";width:1px;height:16px;background:#e2e2e2}.teaching-brief[data-v-6798c9ec]{position:relative;padding:16px 16px 12px;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;gap:20px}.teaching-brief[data-v-6798c9ec]:before{position:absolute;content:"";left:16px;right:16px;height:1px;bottom:0;background:#e2e2e2}.teaching-brief .brief-cover .book-cover[data-v-6798c9ec]{border-radius:6px;overflow:hidden}.teaching-brief .brief-info[data-v-6798c9ec]{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;height:74px;gap:4px}.teaching-brief .brief-info .label[data-v-6798c9ec]{font-size:14px;font-style:normal;font-weight:400;line-height:24px;color:#666}.teaching-brief .brief-info .author .content[data-v-6798c9ec],.teaching-brief .brief-info .intro .content[data-v-6798c9ec],.teaching-brief .brief-info .title .content[data-v-6798c9ec]{color:#1a1a1a;font-size:16px;font-style:normal;font-weight:700;line-height:24px}.teaching-brief .brief-info .author[data-v-6798c9ec],.teaching-brief .brief-info .intro[data-v-6798c9ec],.teaching-brief .brief-info .tags[data-v-6798c9ec]{line-height:20px}.teaching-brief .brief-info .author .label[data-v-6798c9ec],.teaching-brief .brief-info .intro .label[data-v-6798c9ec],.teaching-brief .brief-info .tags .label[data-v-6798c9ec]{font-size:14px;line-height:20px}.teaching-brief .brief-info .author .content[data-v-6798c9ec],.teaching-brief .brief-info .intro .content[data-v-6798c9ec],.teaching-brief .brief-info .tags .content[data-v-6798c9ec]{line-height:20px;font-size:14px;color:#0057ff}.teaching-brief .brief-info .tags .tag[data-v-6798c9ec]{margin-right:8px;padding:0 4px;border-radius:2px;background:#eff1f4;font-size:12px;font-style:normal;font-weight:400;line-height:20px;color:#80848b}.teaching-brief .brief-bg[data-v-6798c9ec]{height:100%;position:absolute;right:-1px;top:0}[data-v-6798c9ec] .close-page-btn{position:absolute;right:24px;top:40px}[data-v-6798c9ec] .close-page-btn:before{display:none}.teaching-content[data-v-c187cde4]{height:100%;overflow:auto;padding:20px;background:#fff;padding-top:32px}.teaching-content .title[data-v-c187cde4]{text-align:center;font-size:24px;font-style:normal;font-weight:500;line-height:32px;color:#1a1a1a;margin-bottom:24px}.teaching-content .content-intro[data-v-c187cde4]{width:calc(100% - 410px);margin:0 auto;padding:16px 20px;color:#666;background:#f6f6f6;border-radius:6px;margin-bottom:24px}.teaching-content .content-intro .intro-title[data-v-c187cde4]{font-size:16px;font-style:normal;font-weight:700;line-height:24px;margin-bottom:6px}.teaching-content .content-intro .intro-text[data-v-c187cde4]{font-size:14px;font-style:normal;font-weight:400;line-height:22px}.teaching-content .content-html[data-v-c187cde4]{margin:0 auto;width:calc(100% - 410px)}.article-content{word-wrap:break-word;color:#666;font-size:16px;line-height:30px;margin-bottom:1em}.article-content img{display:block;margin:20px auto;max-height:100%;max-width:100%}.article-content b,.article-content strong{font-weight:700}.article-content table{border-collapse:separate}.article-content table p{margin-bottom:0}.article-content a{color:#3981f6;-webkit-text-decoration:underline;text-decoration:underline}.article-content a:hover{color:rgba(57,129,246,.9)}.article-content ol{list-style:disc;padding:0 0 0 16px}.teaching-detail[data-v-ea04a268]{height:100%;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;background:#fff;border-radius:8px 8px 0 0}.teaching-detail .content[data-v-ea04a268]{-webkit-box-flex:1;-webkit-flex:1;-ms-flex:1;flex:1}.teaching-detail .recommend-album[data-v-ea04a268]{position:fixed;top:40%;right:40px;width:78px;height:100px;border:1px solid #eee;border-radius:6px;overflow:hidden;cursor:pointer;-webkit-transition:.3s ease-in-out;transition:.3s ease-in-out}.teaching-detail .recommend-album[data-v-ea04a268]:hover{box-shadow:0 2px 18px 0 rgba(0,0,0,.04),0 10px 14px -4px rgba(0,0,0,.04),0 20px 15px 0 rgba(0,0,0,.08)}.teaching-detail .recommend-album img[data-v-ea04a268]{width:100%;height:100%}.teaching-detail .recommend-album .tip[data-v-ea04a268]{position:absolute;left:0;bottom:0;width:100%;background:#0057ff;color:#fff;font-size:13px;font-style:normal;font-weight:500;line-height:22px;text-align:center}