.course-list[data-v-7266cbf9]{box-sizing:border-box;padding:0 0 0 20px;height:100%}.course-list.normal[data-v-7266cbf9]{background:#121212}.course-list .tab[data-v-7266cbf9]{white-space:nowrap;overflow:hidden}.course-list .tab li[data-v-7266cbf9]{display:inline-block;height:30px;line-height:30px;background:#424a54;border:1px solid #424a54;border-radius:15px;margin-right:20px;padding:0 20px;box-sizing:border-box;font-size:14px;cursor:pointer}.course-list .tab li.active[data-v-7266cbf9],.course-list .tab li[data-v-7266cbf9]:hover{border:1px solid #37d26e;background:#32373e;color:#37d26e;font-weight:500}.course-list .course-group[data-v-7266cbf9]{margin-top:20px;overflow-y:auto;overflow-x:hidden;height:calc(100% - 80px);padding-right:20px}.course-list .course-group[data-v-7266cbf9]:first-child{margin-top:0}.course-list .course-group[data-v-7266cbf9]::-webkit-scrollbar{width:6px;height:70px}.course-list .course-group[data-v-7266cbf9]::-webkit-scrollbar-thumb{background:#999;border-radius:6px;height:70px}.course-list .course-group[data-v-7266cbf9]::-webkit-scrollbar-track{background:#595a5a;border-radius:6px}.course-list .course-group h2[data-v-7266cbf9]{font-size:14px;margin-bottom:10px}.course-list .course-group .course-stage .course-stage-item[data-v-7266cbf9]{margin-bottom:10px}.course-list .course-group .course-stage .course-stage-item h3[data-v-7266cbf9]{height:50px;background:#282d35;line-height:50px;padding-left:20px;position:relative;cursor:pointer}.course-list .course-group .course-stage .course-stage-item h3[data-v-7266cbf9]:after{content:"";display:block;width:16px;height:16px;background-image:url(../../202577105243/img/arrow.svg);background-size:100%;position:absolute;top:18px;right:0;transition:transform 1s}.course-list .course-group .course-stage .course-stage-item h3.active[data-v-7266cbf9]:after{transform:rotate(180deg)}.course-list .course-group .lesson[data-v-7266cbf9]{color:#999;height:0;overflow:hidden;transition:height 1s}.course-list .course-group .lesson .lesson-item[data-v-7266cbf9]{margin-top:20px}.course-list .course-group .lesson.active[data-v-7266cbf9]{height:300px}