.video_box[data-v-a17054b8]{position:relative}.video_box .empty_wrap[data-v-a17054b8]{position:absolute;left:0;top:0;right:0;bottom:0;margin:auto;background:#000}.video_box .empty_wrap .empty_title[data-v-a17054b8]{padding-top:.26667rem;text-align:center;color:#fff}.iconfont[data-v-a17054b8]{color:#fff;font-size:1.12rem;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.video-js.vjs-4-3[data-v-a17054b8],.video-js.vjs-16-9[data-v-a17054b8],[data-v-a17054b8] .video-js.vjs-fluid{width:100%;max-width:100%;height:100%}[data-v-a17054b8] .video-js .vjs-big-play-button{font-size:2.5em;line-height:2.75em!important;height:3em!important;width:3em;border-radius:2.5em;background-color:#73859f;background-color:rgba(115,133,159,.5);border-width:.15em;margin-top:-1.5em!important;margin-left:-1.5em;left:50%;top:50%}[data-v-a17054b8] .vjs-big-play-button .vjs-icon-placeholder{font-size:1.63em}.base_type_selectbar[data-v-61b5a32f]{min-width:60%;max-width:100%;display:flex;justify-content:space-around;align-items:flex-end;margin:.4rem auto}.base_type_selectbar .select_item[data-v-61b5a32f]{font-size:.37333rem;color:#999;margin-right:.4rem}.base_type_selectbar .subTitle[data-v-61b5a32f]{font-size:.42667rem;font-weight:700;color:#333;position:relative;bottom:-.10667rem}.base_type_selectbar .subTilteBg[data-v-61b5a32f]{height:.10667rem;opacity:.5}.study_detail[data-v-9231fa9e]{background:#eee}.study_detail .study_detail_title_wrap[data-v-9231fa9e]{background:#fff;padding:.50667rem .4rem;margin-bottom:.26667rem;display:flex;justify-content:space-between;align-items:center}.study_detail .study_detail_title_wrap .left_info_wrap .detail_title[data-v-9231fa9e]{font-size:.37333rem;color:#333;margin-bottom:.37333rem}.study_detail .study_detail_title_wrap .left_info_wrap .detail_typecount .detail_type[data-v-9231fa9e]{display:inline-block;font-size:.32rem;color:#333;margin-right:.64rem}.study_detail .study_detail_title_wrap .left_info_wrap .detail_typecount .detail_count[data-v-9231fa9e]{display:inline-block;font-size:.32rem;color:#999}.study_detail .study_detail_teacher_wrap[data-v-9231fa9e]{background:#fff;box-sizing:border-box;padding:.4rem;display:flex;justify-content:space-between;align-items:center;margin-bottom:.26667rem}.study_detail .study_detail_teacher_wrap .left_wrap[data-v-9231fa9e]{display:flex;align-items:center}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_head[data-v-9231fa9e]{margin-right:.33333rem;flex-shrink:0;width:1.54667rem;height:1.54667rem;border-radius:50%;overflow:hidden;display:flex;justify-content:center;align-items:center;background:#efefef}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_head img[data-v-9231fa9e]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_head .empty_icon[data-v-9231fa9e]{width:80%;height:80%;border-radius:50%}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_info .top_row[data-v-9231fa9e]{margin-bottom:.26667rem}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_info .top_row .name[data-v-9231fa9e]{display:inline-block;font-size:.4rem;font-weight:700;color:#333;margin-right:.26667rem}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_info .top_row .livel[data-v-9231fa9e]{display:inline-block;font-size:.32rem;color:#999}.study_detail .study_detail_teacher_wrap .left_wrap .teacher_info .teacher_school[data-v-9231fa9e]{font-size:.32rem;color:#999}.study_detail #select_bar[data-v-9231fa9e]{background:#fff;padding:.66667rem 0;margin-bottom:0}.study_detail .study_detail_info_wrap[data-v-9231fa9e]{flex:1;padding:.4rem;background:#fff;overflow-y:auto;box-sizing:border-box}.study_detail .study_detail_info_wrap .study_detail_info_title[data-v-9231fa9e]{font-size:.37333rem;font-weight:700;margin-bottom:.8rem}.study_detail .study_detail_info_wrap .study_detail_info_text[data-v-9231fa9e]{box-sizing:border-box;padding:0 .26667rem;font-size:.32rem;color:#999;line-height:.50667rem;text-indent:.64rem}.study_detail .study_detail_list_wrap[data-v-9231fa9e]{padding:.4rem;background:#fff}.study_detail .study_detail_list_wrap .study_list_item[data-v-9231fa9e]{display:flex;align-items:center;margin-bottom:.37333rem}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_img[data-v-9231fa9e]{flex-shrink:0;margin-right:.29333rem;width:4.4rem;height:2.46667rem;border-radius:.10667rem;overflow:hidden;position:relative}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_img .cover_title_wrap[data-v-9231fa9e]{width:50%;height:60%;position:absolute;left:0;top:0;right:0;bottom:0;margin:auto;color:#fff;font-size:.37333rem;line-height:1.3em}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_img img[data-v-9231fa9e]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_content .study_list_item_title[data-v-9231fa9e]{font-size:.37333rem;color:#333;margin-bottom:.37333rem}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_content .study_list_item_middle[data-v-9231fa9e]{margin-bottom:.4rem}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_content .study_list_item_middle .teacher[data-v-9231fa9e]{display:inline-block;font-size:.32rem;color:#333;margin-right:.36rem}.study_detail .study_detail_list_wrap .study_list_item .study_list_item_content .study_list_item_middle .count[data-v-9231fa9e],.study_detail .study_detail_list_wrap .study_list_item .study_list_item_content .study_list_item_school[data-v-9231fa9e]{font-size:.32rem;color:#999}.study_detail .study_detail_videolist_wrap .video_list_wrap[data-v-9231fa9e]{background-color:#fff;box-sizing:border-box;padding:0 .4rem .26667rem}.study_detail .study_detail_videolist_wrap .video_list_wrap .study_detail_list_item[data-v-9231fa9e]{display:flex;justify-content:flex-start;align-items:center;margin-bottom:.4rem}.study_detail .study_detail_videolist_wrap .video_list_wrap .study_detail_list_item .icon_played[data-v-9231fa9e]{width:.56rem;height:.56rem;border-radius:50%;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgBAMAAACBVGfHAAAAKlBMVEUAAACqYFCpYU+qYFGoYE+pYFCpYFCpYFCpYFCnXk6pYFCpX1CoYU+pYFCaTEx5AAAADXRSTlMAvyrUpfWbf1gx7dtnhyy28AAAALFJREFUKM9jgAImBQZkoJF8965ZE4I/5S4YeML47LEQgasFUAHZu1BwEcLnvQsHF8ACuQiBa2AT7iIBkClTkQUigQK+yAJXgE4E0bc61gIRiKXAwAOxT/YixPYDDCyoAg4MzKgCBgy8CAGI03RRBS5hCGBowTSUDVUggYEDVaAB4vTLDLZABHY61HO7gQjiOUzvYwYQyDB4KGMGMmooX8OIKIyohAMd57t3TQ6BmRjJAQDn4guuEIPhvwAAAABJRU5ErkJggg==);background-size:100% 100%;flex-shrink:0}.study_detail .study_detail_videolist_wrap .video_list_wrap .study_detail_list_item .icon_pause[data-v-9231fa9e]{width:.56rem;height:.56rem;border-radius:50%;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAQlBMVEUAAADW1tbV1dXU1NTU1NTV1dXW1tbV1dXV1dXV1dXS0tLV1dXV1dXW1tbU1NTV1dXV1dXT09PV1dXV1dXS0tLV1dVTp+H5AAAAFXRSTlMA83/jKM6WhO2pDt+tXU/CtUCKVBEW1uTrAAAAx0lEQVQ4y4WTWQ7DIAxEx2EJe5q2vv9VK7URxQHE+0QPY+Ex/oTijSJSxpeAHm0dV5zVuLETC2iH4OCOAw2OBzhUIg+JuPA8wV/98ZRvp5rmAmkAtjk4z4c0LBCaAhuATZYIyCwFFNMaGeku4N0+mmA6AciqHhmogQBd6yrQSEC9RzMhVmH1xLDJV2ya9L2wi3mVu6DFbxcEJ4WsRGgCYEVCniyw63GvAyMjLTmaUK9iPQ/1PNh+vXoSbRuFrEZPyOm3/ikHVD69gzaImq/mPwAAAABJRU5ErkJggg==);background-size:100% 100%;flex-shrink:0}.study_detail .study_detail_videolist_wrap .video_list_wrap .study_detail_list_item .item_title[data-v-9231fa9e]{font-size:.37333rem;color:#999;margin-left:.4rem;line-height:1.2em}.btn[data-v-9231fa9e]{flex-shrink:0;padding:0 .26667rem}[data-v-9231fa9e] .van-button--info{border:none!important}[data-v-9231fa9e] .base_type_selectbar .select_item{margin-right:0}