.collapse[data-v-77baa060]{width:100%}.collapse_head[data-v-77baa060]{width:100%;display:flex;align-items:center;border-radius:4px;cursor:pointer;box-sizing:border-box}.collapse_head[data-v-77baa060]:hover{background:#f4faff!important}.collapse_head .el-icon-arrow-down[data-v-77baa060]{transition:.5s ease-in-out;font-size:1.2rem;color:#7d7d7d;font-weight:700;margin-right:1rem}.collapse_head .el-icon-arrow-down.active[data-v-77baa060]{transform:rotate(180deg)}.collapse_head .collapse_head_main[data-v-77baa060]{flex:1}.collapse_body_wrap[data-v-77baa060]{transition:.5s ease-in-out;overflow:hidden}.collapse_body[data-v-77baa060]{padding-left:2.5rem}.back_button_main[data-v-810b0eac]{width:14rem;box-sizing:border-box;cursor:pointer;height:4rem;display:flex;align-items:center;justify-content:center;background:#fff;color:#00a2e9;font-size:1.4rem;border:1px solid #00a2e9;box-shadow:0 .2rem 2rem 0 rgba(0,125,220,.3);border-radius:2rem}.back_button_main .return_button[data-v-810b0eac]{width:1.3rem;height:1.2rem;margin-right:.8rem}[data-v-7b6f280c] .el-tabs__nav-wrap:after{background:none}.label-tip[data-v-7b6f280c]{color:#969696!important;font-size:14px;font-weight:400}.course_intro[data-v-7b6f280c]{background:#fff;padding:2.5rem 2rem;border-radius:.4rem;margin-top:1.5rem}.course_intro .title_text[data-v-7b6f280c]{font-size:2.2rem}.course_intro .course_info[data-v-7b6f280c]{margin-top:1.5rem;display:flex}.course_intro .course_info .course_cover_wrap[data-v-7b6f280c]{height:15.5rem;width:27.6rem;border-radius:.4rem;display:flex;align-items:center;overflow:hidden}.course_intro .course_info .course_cover_wrap .course_cover[data-v-7b6f280c]{width:27.6rem;height:15.5rem}.course_intro .course_info .course_info_detail[data-v-7b6f280c]{margin-left:2.5rem;display:flex;flex-direction:column}.course_intro .course_info .course_info_detail .course_info_title_wrap[data-v-7b6f280c]{display:flex;align-items:center}.course_intro .course_info .course_info_detail .course_title[data-v-7b6f280c]{font-size:2.2rem;font-weight:700;white-space:nowrap;text-overflow:ellipsis}.course_intro .course_info .course_info_detail .tag[data-v-7b6f280c]{margin-left:1.5rem}.course_intro .course_info .course_info_detail .views[data-v-7b6f280c]{display:flex;align-items:center;font-size:1.4rem;margin-left:2rem;margin-top:.25rem;color:#999}.course_intro .course_info .course_info_detail .views [data-v-7b6f280c]{vertical-align:top}.course_intro .course_info .course_info_detail .views .icon[data-v-7b6f280c]{width:2.2rem;height:2.2rem}.course_intro .course_info .course_info_detail .course_info_column_wrap[data-v-7b6f280c]{margin-top:1.5rem}.course_intro .course_info .course_info_detail .course_info_column_wrap .course_info_column[data-v-7b6f280c]{color:#666;font-size:1.4rem;line-height:1.6}.course_intro .subject_list[data-v-7b6f280c]{font-size:1.6rem;display:flex;align-items:center;margin-top:2.5rem}.course_intro .subject_list .subject_button[data-v-7b6f280c]{display:flex;justify-content:center;align-items:center;width:21.8rem;height:3.6rem;line-height:3.6rem;box-sizing:border-box;color:#00a2e9;border:1px solid #00a2e9;margin-left:2rem;border-radius:1.8rem;font-size:1.4rem;cursor:pointer}.course_intro .subject_list .subject_button .subject_icon[data-v-7b6f280c]{width:1.4rem;height:1.4rem;margin-right:1rem}.course_intro .subject_list .subject_button.active[data-v-7b6f280c]{background:#00a2e9;color:#fff}.course_detail[data-v-7b6f280c]{background:#fff;padding:3rem;margin-top:2.2rem;border-radius:.4rem;overflow:hidden}.course_detail .tab_bar[data-v-7b6f280c]{display:flex;justify-content:space-between;align-items:center;color:#000;font-size:1.8rem}.course_detail .tab_bar .tabs[data-v-7b6f280c]{width:100%}.course_detail .tab_bar .tab_bar_title[data-v-7b6f280c]{line-height:4rem}.course_detail .tab_bar[data-v-7b6f280c] .el-tabs__nav-wrap:after{display:none}.course_detail .tab_bar[data-v-7b6f280c] .el-tabs__item{color:#000;font-size:2.2rem;font-weight:700}.course_detail .tab_bar .term_button[data-v-7b6f280c]{font-size:1.6rem;flex:1;word-break:keep-all;white-space:nowrap;position:relative;margin-top:-15px;margin-right:1rem}.course_detail .tab_bar .term_button .term-select[data-v-7b6f280c]{position:absolute;width:5rem;margin-right:-5rem}.course_detail .tab_bar .term_button .term-select[data-v-7b6f280c] .el-input__inner{border:none}.course_detail .tab_bar .term_button span[data-v-7b6f280c]{position:absolute;padding:0 1rem;color:#00a2e9;background:#fff;pointer-events:none}.course_detail .tab_body[data-v-7b6f280c]{min-height:10rem}.course_detail .course_intro_detail[data-v-7b6f280c]{white-space:pre-wrap;margin-top:2.5rem}.course_detail .course_intro_detail[data-v-7b6f280c] img{max-width:50%;margin:1rem auto;display:block}.course_detail .nav_bar_wrap[data-v-7b6f280c]{display:flex;justify-content:space-between}.course_detail .nav_bar[data-v-7b6f280c]{flex:1;display:flex;overflow-x:auto}.course_detail .nav_bar .nav_bar_button[data-v-7b6f280c]{cursor:pointer;font-size:1.8rem;padding:.2rem 1rem;margin-right:2.5rem;font-weight:600}.course_detail .nav_bar .nav_bar_button.active[data-v-7b6f280c]{color:#00a2e9}.course_detail .expand_all[data-v-7b6f280c]{font-size:1.6rem;color:#666;cursor:pointer;display:flex;align-items:center}.course_detail .expand_all img[data-v-7b6f280c]{margin-left:1rem;width:auto;height:1.5rem}.course_detail .course_list[data-v-7b6f280c]{margin-top:1.5rem}.course_detail .course_list_cell_title[data-v-7b6f280c]{color:#666;font-size:1.8rem}.course_detail .course_list_cell_title.hasResource[data-v-7b6f280c]{cursor:pointer}.course_detail .course_list_cell_title.hasResource[data-v-7b6f280c]:hover{color:#00a2e9}.course_detail .button_zone[data-v-7b6f280c]{display:flex}.course_detail .course_content .course_detail_title[data-v-7b6f280c]{font-size:1.4rem}.course_detail .course_content .full_bar[data-v-7b6f280c]{width:100%}.course_detail .course_content .course_collapse_item[data-v-7b6f280c]{margin-bottom:2.5rem}.course_detail .course_content .course_collapse_item .column_title[data-v-7b6f280c]{display:flex;justify-content:space-between;align-items:center;font-size:1.6rem}.course_detail .course_content .course_collapse_item .column_title .column_title_bold[data-v-7b6f280c]{font-weight:700}.course_detail .course_content .course_collapse_item .column_title .column_title_bold[data-v-7b6f280c]:hover{color:#00a2e9}.course_detail .course_content .course_collapse_item .column_title .course_chapter_child_button[data-v-7b6f280c]{margin-left:1.5rem;font-size:1.6rem;display:inline-block;height:2.8rem;line-height:2.8rem;border-radius:1.4rem;color:#999;background:#fff;border:1px solid #d2d2d2;padding:0 1.5rem;cursor:pointer}.course_detail .course_content .course_collapse_item .column_title .course_chapter_child_button[data-v-7b6f280c]:hover{background:#f4faff;color:#00a2e9;border-color:#00a2e9}.course_detail .course_content .course_collapse_item .no_resource_button[data-v-7b6f280c]{padding:0 1.6rem;color:#999;font-size:1.6rem;line-height:2.8rem}.course_detail .course_detail_title[data-v-7b6f280c]{font-size:1.4rem;font-weight:700;white-space:nowrap;text-overflow:ellipsis}.course_detail .course_chapter_child_cell[data-v-7b6f280c]{padding:1rem 2rem 1rem 3rem;display:flex;justify-content:space-between;align-items:center}.course_detail .course_chapter_child_cell:hover .course_chapter_child_title[data-v-7b6f280c]{color:#00a2e9}.course_detail .course_chapter_child_cell.collapse_title[data-v-7b6f280c]{padding:0}.course_detail .course_chapter_child_cell .course_chapter_child_title[data-v-7b6f280c]{color:#666;font-size:1.6rem}.course_detail .course_chapter_child_cell .course_chapter_child_title.hasResource[data-v-7b6f280c]{cursor:pointer}.course_detail .course_chapter_child_cell .button_zone[data-v-7b6f280c]{display:flex}.course_detail .course_chapter_child_cell .course_chapter_child_button[data-v-7b6f280c]{margin-left:1.5rem;font-size:1.6rem;display:inline-block;height:2.8rem;line-height:2.8rem;border-radius:1.4rem;color:#999;background:#fff;border:1px solid #d2d2d2;padding:0 1.5rem;cursor:pointer}.course_detail .course_chapter_child_cell .course_chapter_child_button[data-v-7b6f280c]:hover{background:#f4faff;color:#00a2e9;border-color:#00a2e9}.course_detail .guest_empty[data-v-7b6f280c]{height:30rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.course_detail .guest_empty .guest_empty_content[data-v-7b6f280c]{font-size:1.4rem;color:#999;margin-bottom:2rem}.class_dialog[data-v-7b6f280c] .el-dialog__header,.resourse_dialog[data-v-7b6f280c] .el-dialog__header{padding:0}.class_dialog[data-v-7b6f280c] .el-dialog__title,.resourse_dialog[data-v-7b6f280c] .el-dialog__title{display:none}.class_dialog[data-v-7b6f280c] .el-dialog__body,.resourse_dialog[data-v-7b6f280c] .el-dialog__body{padding:2.5rem 3.5rem}.class_dialog[data-v-7b6f280c] .el-tabs__header,.resourse_dialog[data-v-7b6f280c] .el-tabs__header{margin-bottom:0}.class_dialog .class_dialog_title_wrap[data-v-7b6f280c]{display:flex;align-items:flex-end}.class_dialog .class_dialog_title_wrap .class_dialog_icon[data-v-7b6f280c]{width:1.9rem;height:1.6rem;margin-bottom:2px}.class_dialog .class_dialog_title_wrap .class_dialog_title[data-v-7b6f280c]{font-size:2rem;color:#000;font-weight:700;margin-left:.8rem;margin-right:1.2rem}.class_dialog .class_dialog_title_wrap .class_dialog_subtitle[data-v-7b6f280c]{font-size:1.6rem;color:#999}.class_dialog .class_list[data-v-7b6f280c]{margin-top:3rem;border-bottom:1px solid #eee}.class_dialog .class_list_item[data-v-7b6f280c]{display:flex;justify-content:space-between;padding:1.9rem 1.4rem;border:1px solid #fff;background:#fff;border-radius:4px;cursor:pointer}.class_dialog .class_list_item[data-v-7b6f280c]:hover{border-color:#00a2e9;background:#f3fbff}.class_dialog .class_list_item .class_list_left[data-v-7b6f280c]{display:flex;align-items:center}.class_dialog .class_list_item .class_list_left .class_checkbox[data-v-7b6f280c]{width:1.5rem;height:1.5rem;margin-right:1.5rem}.class_dialog .class_list_item .class_list_left .class_info .class_name[data-v-7b6f280c]{color:#000;font-size:2rem;margin-bottom:1.5rem}.class_dialog .class_list_item .class_list_left .class_info .class_data[data-v-7b6f280c]{display:flex;align-items:center;color:#999;font-size:1.6rem}.class_dialog .class_list_item .class_list_left .class_info .class_data .class_data_block[data-v-7b6f280c]{margin-right:3.6rem}.class_dialog .class_list_item .class_list_left .class_info .class_data .class_data_block .class_data_icon[data-v-7b6f280c]{height:1.6rem}.class_dialog .class_bottom[data-v-7b6f280c]{margin-top:3.5em;display:flex;align-items:center;justify-content:center}.class_dialog .class_bottom .class_button[data-v-7b6f280c]{height:4rem;display:flex;align-items:center;justify-content:center;border-radius:2rem;font-size:1.4rem;cursor:pointer}.class_dialog .class_bottom .class_button.cancel[data-v-7b6f280c]{background:#e5e5e5;color:#676767;width:10.5rem}.class_dialog .class_bottom .class_button.normal[data-v-7b6f280c]{background:#00a2e9;color:#fff;margin-left:2.4rem;width:20rem}.resourse_dialog .resourse_title[data-v-7b6f280c]{color:#202020;font-size:2.2rem;font-weight:700;margin-bottom:.2rem}.resourse_dialog .resourse_body[data-v-7b6f280c]{margin-top:3.5rem;display:flex;justify-content:space-between}.resourse_dialog .resourse_body .resourse_list_wrap[data-v-7b6f280c]{flex:1;height:50vh;overflow:hidden;overflow-y:auto}.resourse_dialog .resourse_body .resourse_list_wrap .resourse_list_item[data-v-7b6f280c]{box-sizing:border-box;width:auto;max-height:10rem;overflow:hidden;margin-bottom:2rem;margin-right:1rem;background:#f6f6f6;color:#000;font-size:1.4rem;padding:2rem;border-radius:.4rem;border:1px solid #f6f6f6;cursor:pointer;text-overflow:ellipsis}.resourse_dialog .resourse_body .resourse_list_wrap .resourse_list_item[data-v-7b6f280c]:hover{border-color:#00a2e9}.resourse_dialog .resourse_body .resourse_list_wrap .resourse_list_item.active[data-v-7b6f280c]{background:#f3fbff;color:#00a2e9;border-color:#00a2e9}.resourse_dialog .resourse_body .resourse_preview_wrap[data-v-7b6f280c]{margin-left:3rem;flex:2;height:50vh;overflow:hidden;overflow-y:auto}.resourse_dialog .resourse_body .resourse_preview_wrap.empty[data-v-7b6f280c]{overflow-y:hidden!important}.resourse_dialog .resourse_body .resourse_preview_wrap .preview_resourse_img[data-v-7b6f280c]{width:100%;height:auto}.resourse_dialog .resourse_body .resourse_preview_wrap .audio_cover[data-v-7b6f280c]{width:100%;height:100%;background:url(../img/background_audio_preview.69001c91.png) no-repeat;background-size:cover;background-position:100%}.resourse_dialog .resourse_body .resourse_preview_wrap .audio_cover .audio_info[data-v-7b6f280c]{height:100%;display:flex;flex-direction:column;justify-content:center;padding-left:6rem}.resourse_dialog .resourse_body .resourse_preview_wrap .audio_cover .audio_info .file_name[data-v-7b6f280c]{font-size:2.4rem;color:#000;font-weight:700}.resourse_dialog .resourse_body .resourse_preview_wrap .audio_cover .audio_info .file_duration[data-v-7b6f280c]{margin-top:5%;font-size:1.4rem;color:#999}.resourse_dialog .resourse_body .resourse_preview_wrap .vedio_cover[data-v-7b6f280c]{width:100%;height:100%;background:url(../img/background_video.653c63dc.png) no-repeat;background-size:cover;background-position:50%}.resourse_dialog .resourse_body .resourse_preview_wrap .vedio_cover .video_info[data-v-7b6f280c]{height:100%;display:flex;flex-direction:column;justify-content:center;padding:12rem 0 0 6rem;box-sizing:border-box}.resourse_dialog .resourse_body .resourse_preview_wrap .vedio_cover .video_info .file_name[data-v-7b6f280c]{font-size:2.4rem;color:#000;font-weight:700}.resourse_dialog .resourse_body_empty[data-v-7b6f280c]{height:50vh}.resourse_dialog .bottom[data-v-7b6f280c]{display:flex;align-items:center;justify-content:flex-end;margin-top:2.5rem}.resourse_dialog .bottom .download_button[data-v-7b6f280c]{cursor:pointer;font-size:1.4rem;margin-right:3.5rem;display:flex;align-items:center;color:#00a2e9}.resourse_dialog .bottom .download_button .icon_download[data-v-7b6f280c]{height:1.5rem}.word-preview[data-v-7b6f280c]{width:100%;height:100%}[data-v-7b6f280c] .pdf-footer{text-align:center}[data-v-7b6f280c] .pdf-footer button{cursor:pointer;border:none;background:none;color:#666}[data-v-7b6f280c] .pdf-footer input[type=text]{margin:0 1rem;text-align:center;width:4rem;border:none;background:none}[data-v-7b6f280c] .el-tabs__item{height:4rem;line-height:4rem;font-size:1.4rem;padding:0 2rem}[data-v-7b6f280c] .el-button{font-size:1.4rem}[data-v-7b6f280c] .el-button.is-round{border-radius:2rem;padding:1.2rem 2.3rem}