.must-content[data-v-99f85bac]{height:auto;background-image:url(../img/bigBack.ead24c5c.png);background-size:100% 100%;background-repeat:no-repeat;background-position:50%}.must-content .detail_content[data-v-99f85bac]{width:90%;margin:0 auto;padding-top:46px;padding-bottom:30px}.must-content .detail_content .btn_back[data-v-99f85bac]{display:flex;align-items:center;justify-content:center;width:101px;height:46px;background:#013a71;color:#fff;margin-bottom:32px}.must-content .contentTop[data-v-99f85bac]{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.must-content .contentTop .top_left[data-v-99f85bac]{display:flex;align-items:center}.must-content .contentTop .top_left .title[data-v-99f85bac]{display:flex;align-items:center;font-family:Source Han Serif CN;font-weight:600;font-size:28px;color:#191919;line-height:46px;margin-right:24px}.must-content .contentTop .top_left .title .bar[data-v-99f85bac]{background:#013a71;width:4px;height:22px;margin-right:12px}.must-content .contentTop .top_left .bookType[data-v-99f85bac]{display:flex;align-items:center}.must-content .contentTop .top_left .bookType .bookType_title[data-v-99f85bac]{font-family:Source Han Serif CN;font-weight:600;font-size:16px;color:#323232;line-height:23px}.must-content .contentTop .top_left .bookType .typeItem[data-v-99f85bac]{width:82px;height:46px;margin-right:12px;display:flex;align-items:center;justify-content:center;font-family:Source Han Serif CN;font-weight:400;font-size:13px;color:#626262;line-height:20px;border:1px solid #c5c5c5;cursor:pointer}.must-content .contentTop .top_left .bookType .typeItem[data-v-99f85bac]:last-child{margin-right:0}.must-content .contentTop .top_left .bookType .typeItem_active[data-v-99f85bac]{border-color:#013a71;background:#013a71;color:#fff}.must-content .contentTop .top_left .addMargin[data-v-99f85bac]{margin:0 36px 0 15px;position:relative}.must-content .contentTop .top_left .addMargin span[data-v-99f85bac]{font-family:PingFang SC;font-weight:400;font-size:13px;color:#666;margin-left:14px}.must-content .contentTop .top_left[data-v-99f85bac] .search{margin-right:16px;display:flex;align-items:center}.must-content .contentTop .top_left[data-v-99f85bac] .search .label{font-family:Source Han Serif CN;font-weight:600;font-size:16px;color:#323232;line-height:23px}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input{width:185px;height:46px}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input input::-moz-placeholder{color:grey}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input input::placeholder{color:grey}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input .el-input__inner{width:100%;height:100%;border:1px solid grey;color:#191919;line-height:20px;font-size:13px}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input .el-input__suffix{display:flex;align-items:center;padding-right:11px}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input .el-input__suffix-inner{display:flex;align-items:center}.must-content .contentTop .top_left[data-v-99f85bac] .search .el-input .el-input__suffix-inner img{width:16px;height:16px}.must-content .contentTop .top_left .search_btn[data-v-99f85bac]{cursor:pointer;padding:12px;display:flex;align-items:center;justify-content:center;font-family:Source Han Serif CN;font-weight:600;font-size:14px;color:#fff;line-height:20px;background:#003970;border:1px solid #023b72;margin-right:8px}.must-content .contentTop .top_left .search_btn img[data-v-99f85bac]{width:14px;height:14px;margin-right:8px}.must-content .contentTop .top_left .search_btn.reset[data-v-99f85bac]{color:#023b72;border:1px solid #023b72;background:#fff}.must-content .contentTop .top_right[data-v-99f85bac]{display:flex;align-items:center}.must-content .contentTop .top_right .addClass[data-v-99f85bac],.must-content .contentTop .top_right .removeClass[data-v-99f85bac]{margin-left:8px;cursor:pointer;background:#ed6d00;padding:10px 24px;font-family:Source Han Serif CN;font-weight:500;font-size:16px;color:#fff;line-height:20px;display:flex;align-items:center;justify-content:center;white-space:nowrap}.must-content .contentTop .top_right .addClass img[data-v-99f85bac],.must-content .contentTop .top_right .removeClass img[data-v-99f85bac]{margin-right:8px;width:24px;height:24px}.must-content .contentTop .top_right .removeClass[data-v-99f85bac]{background:inherit;border:1px solid #c2ccd6;color:#191919}.must-content .text_box[data-v-99f85bac]{background:linear-gradient(175deg,#fcfefd,#f8fcff);box-shadow:0 4px 12px 0 #e9f7fa;border-radius:0 0 0 0;border:1px solid #fff;padding:0 16px 26px}.must-content .text_box .class_tabs[data-v-99f85bac]{display:flex;align-items:center;width:100%}.must-content .text_box .class_tabs .class_tabs_title[data-v-99f85bac]{cursor:pointer;font-family:Source Han Serif CN;font-weight:500;font-size:24px;color:#a1a1a1;line-height:28px;padding:16px;padding-bottom:14px;margin-right:22px;border-bottom:2px solid transparent}.must-content .text_box .class_tabs .act_tab[data-v-99f85bac]{color:#191919;border-color:#191919}.must-content .text_box .book_info[data-v-99f85bac]{width:100%;height:232px;background:linear-gradient(175deg,#fcfefd,#f8fcff);box-shadow:0 4px 12px 0 #e9f7fa;border-radius:8px 8px 8px 8px;padding:30px;margin-top:30px;display:flex}.must-content .text_box .book_info .book_info_right[data-v-99f85bac]{padding-left:20px;height:100%;width:100%;display:flex;flex-direction:column;justify-content:space-between}.must-content .text_box .book_info .book_info_right .title_box[data-v-99f85bac]{display:flex;align-items:center}.must-content .text_box .book_info .book_info_right .title_box .title[data-v-99f85bac]{font-family:Source Han Serif CN;font-weight:500;font-size:18px;color:#333;line-height:22px}.must-content .text_box .book_info .book_info_right .title_box .tag_box[data-v-99f85bac]{padding:0 4px;height:22px;background:rgba(218,235,255,.28);border-radius:2px 2px 2px 2px;border:1px solid #d4e4ff;font-family:PingFang SC;font-weight:400;font-size:13px;color:#627cff;margin-left:24px;flex-shrink:0;display:flex;align-items:center}.must-content .text_box .book_info .book_info_right .title_box .tag_box img[data-v-99f85bac]{margin-right:4px;width:10px}.must-content .text_box .book_info .book_info_right .from_box[data-v-99f85bac]{font-family:PingFang SC;font-weight:400;font-size:14px;color:#999;margin-top:10px}.must-content .text_box .book_info .book_info_right .last_box[data-v-99f85bac]{display:flex;align-items:center;justify-content:space-between}.must-content .text_box .book_info .book_info_right .last_box .info_box[data-v-99f85bac]{font-family:Source Han Serif CN;font-weight:400;font-size:16px;color:#666;line-height:23px;margin-right:38px;cursor:pointer;align-items:center}.must-content .text_box .book_info .book_info_right .last_box .info_box i[data-v-99f85bac]{font-size:12px;color:#013a71}.must-content .text_box .book_info .book_info_right .last_box .info_box span[data-v-99f85bac]{font-weight:600;font-size:18px;color:#333;padding-left:8px}.must-content .text_box .book_info .book_info_right .last_box .ope_box[data-v-99f85bac]{display:flex;justify-content:flex-end;margin-bottom:-30px;margin-right:-30px}.must-content .text_box .book_info .book_info_right .last_box .ope_box .ope_btn[data-v-99f85bac]{font-family:Source Han Serif CN;font-weight:400;font-size:14px;color:#fff;line-height:20px;padding:20px 16px;background:#013a71;margin-left:1px;cursor:pointer}.must-content .text_box .statistics_box[data-v-99f85bac]{display:flex;align-items:center;justify-content:space-between;margin-top:13px}.must-content .text_box .statistics_box .custom_item[data-v-99f85bac]{width:876px;height:390px;background:#fff;border-radius:8px 8px 8px 8px;border:1px solid #e2e8f0;padding:19px 24px}.must-content .text_box .statistics_box .custom_item2[data-v-99f85bac]{width:517px}.must-content .text_box .statistics_box .custom_item_title[data-v-99f85bac]{display:flex;align-items:center;justify-content:space-between}.must-content .text_box .statistics_box .custom_item_title span[data-v-99f85bac]{font-family:PingFang SC;font-weight:500;font-size:16px;color:#333}.must-content .text_box .statistics_box .custom_item_title div[data-v-99f85bac]{font-family:PingFang SC;font-weight:400;font-size:14px;color:#999;display:flex;align-items:center;cursor:pointer}.must-content .text_box .statistics_box .ranking_list[data-v-99f85bac]{padding-top:20px}.must-content .text_box .statistics_box .ranking_list .ranking_item[data-v-99f85bac]{display:flex;align-items:center;justify-content:space-between;font-family:PingFang SC;font-weight:400;font-size:13px;color:#333;height:46px;margin:6px 0;padding:0 16px;position:relative}.must-content .text_box .statistics_box .ranking_list .ranking_item .ranking_icon[data-v-99f85bac]{width:30px;height:30px;margin-right:10px;position:relative}.must-content .text_box .statistics_box .ranking_list .ranking_item .ranking_icon span[data-v-99f85bac]{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-family:PingFang SC;font-weight:600;font-size:15px;color:#fff}.must-content .text_box .statistics_box .ranking_list .ranking_item img[data-v-99f85bac]{width:30px}.must-content .text_box .statistics_box .ranking_list .ranking_item .time[data-v-99f85bac]{font-family:PingFang SC;font-weight:400;font-size:12px;color:#999;flex-shrink:0}.must-content .text_box .statistics_box .ranking_list .ranking_bg1[data-v-99f85bac]{background:#fdf8f3}.must-content .text_box .statistics_box .ranking_list .ranking_bg1[data-v-99f85bac]:before{content:"";width:3px;height:100%;position:absolute;left:0;background:#ff5a43}.must-content .text_box .statistics_box .ranking_list .ranking_bg2[data-v-99f85bac]{background:#f7f9fe}.must-content .text_box .statistics_box .ranking_list .ranking_bg2[data-v-99f85bac]:before{content:"";width:3px;height:100%;position:absolute;left:0;background:#409eff}.must-content .text_box .statistics_box .ranking_list .ranking_bg3[data-v-99f85bac]{background:#f6fff9}.must-content .text_box .statistics_box .ranking_list .ranking_bg3[data-v-99f85bac]:before{content:"";width:3px;height:100%;position:absolute;left:0;background:#4abd86}.must-content .text_box .tags_box[data-v-99f85bac]{display:flex;align-items:center}.must-content .text_box .tags_box .item_tags[data-v-99f85bac]{font-family:Inter;font-weight:500;font-size:18px;color:#666;padding:0 16px;cursor:pointer}.must-content .text_box .tags_box .item_tags[data-v-99f85bac]:first-child{margin-right:22px}.must-content .text_box .tags_box .item_tags_active[data-v-99f85bac]{color:#ff7600;position:relative}.must-content .text_box .tags_box .item_tags_active[data-v-99f85bac]:after{content:"";display:inline-block;width:100%;height:2px;background:#ff7600;margin-left:4px;position:absolute;left:0;bottom:-14px}.must-content .text_box .student_screen[data-v-99f85bac]{display:flex;align-items:center;padding-top:40px}.must-content .text_box .student_screen .custom_search_btn[data-v-99f85bac]{margin-bottom:18px}[data-v-99f85bac] .el-dialog__header{padding:0}[data-v-99f85bac] .el-dialog__header .dia_title{padding:0!important}[data-v-99f85bac] .el-dialog__body{padding:24px 30px 30px}.titles[data-v-99f85bac]{width:100%;height:100px;background:url(../img/nav_bar_new.bdaa13cd.png) no-repeat 50%;background-size:100% 100%;display:flex;align-items:center;justify-content:space-between;font-family:Source Han Sans SC;font-size:30px;color:#333;line-height:45px;padding:0 40px}.titles img[data-v-99f85bac]{cursor:pointer;width:43px;height:43px}.add_course .student[data-v-99f85bac]{cursor:pointer;background:#fff;border-radius:4px 4px 4px 4px;border:1px solid #cbd5e0;display:flex;justify-content:space-between;align-items:center;padding:0 12px}[data-v-99f85bac].asstant_box .search_box{display:flex;justify-content:space-between;margin-bottom:24px}[data-v-99f85bac].asstant_box .search_box .el-form-item{margin-bottom:0}[data-v-99f85bac].asstant_box .search_box .el-form-item__content{display:flex;align-items:center}[data-v-99f85bac].asstant_box .search_box .el-form-item__content .label_text{white-space:nowrap;font-family:Source Han Serif CN;font-weight:400;font-size:16px;color:#323232;line-height:26px;margin-right:8px}[data-v-99f85bac].asstant_box .search_box .el-input__inner{width:156px;height:26px;border-radius:0 0 0 0;border:1px solid #c5c5c5}[data-v-99f85bac].asstant_box .search_box .btnlist{display:flex;align-items:center}[data-v-99f85bac].asstant_box .search_box .btnlist .btn{margin-left:12px;padding:0 12px;display:flex;align-items:center;justify-content:center;border:1px solid #003970;cursor:pointer;font-family:Source Han Serif CN;font-weight:600;font-size:14px;color:#fff;line-height:20px;height:32px}[data-v-99f85bac].asstant_box .search_box .btnlist .btn img{width:14px;height:14px;margin-right:8px}[data-v-99f85bac].asstant_box .search_box .btnlist .btn_search{background:#003970}[data-v-99f85bac].asstant_box .search_box .btnlist .btn_reset{color:#003970}[data-v-99f85bac].asstant_box .search_box .search_box_left,[data-v-99f85bac].asstant_box .search_box .search_box_left .tab{display:flex;align-items:center}[data-v-99f85bac].asstant_box .search_box .search_box_left .tab .tab_item{cursor:pointer;font-family:Source Han Serif CN;font-weight:500;font-size:24px;color:#a1a1a1;line-height:28px;margin-right:22px;padding:14px 16px;border-bottom:2px solid #fff}[data-v-99f85bac].asstant_box .search_box .search_box_left .tab .tab_active{font-weight:600;color:#191919;border-bottom:2px solid #191919}[data-v-99f85bac].asstant_box .table_box{padding:0}[data-v-99f85bac].asstant_box .btn_box{margin-top:37px;display:flex;align-items:center;justify-content:flex-end}[data-v-99f85bac].asstant_box .btn_box .cancle,[data-v-99f85bac].asstant_box .btn_box .sure{cursor:pointer;border:1px solid #d3d3d3;padding:8px 24px;font-family:Source Han Serif CN;font-weight:500;font-size:16px;color:#333;line-height:24px;margin-left:30px}[data-v-99f85bac].asstant_box .btn_box .sure{border-color:#003970;background:#013a71;color:#fff}[data-v-99f85bac].book_box .search_box{display:flex;justify-content:space-between;margin-bottom:24px}[data-v-99f85bac].book_box .search_box .el-form-item{margin-bottom:0}[data-v-99f85bac].book_box .search_box .label_type{margin-left:74px;height:40px}[data-v-99f85bac].book_box .search_box .el-form-item__content{height:100%;display:flex;align-items:center}[data-v-99f85bac].book_box .search_box .el-form-item__content .label_text{white-space:nowrap;font-family:Source Han Serif CN;font-weight:400;font-size:16px;color:#666;line-height:26px;margin-right:8px}[data-v-99f85bac].book_box .search_box .el-input__inner{width:156px;height:26px;border-radius:0 0 0 0;border:1px solid #c5c5c5}[data-v-99f85bac].book_box .search_box .typeList{display:flex}[data-v-99f85bac].book_box .search_box .typeList .item{cursor:pointer;padding:4px 12px;font-family:Source Han Serif CN;font-weight:500;font-size:14px;color:#666;line-height:22px;background:#f2f3f5}[data-v-99f85bac].book_box .search_box .typeList .selectItem{background:#013a71;color:#fff}[data-v-99f85bac].book_box .list_box .list{display:flex;flex-wrap:wrap}[data-v-99f85bac].book_box .list_box .list .list_item{width:423px;background:#fff;border-radius:6px 6px 6px 6px;border:1px solid #eaeaea;padding:16px;margin-right:10px;margin-bottom:16px;display:flex}[data-v-99f85bac].book_box .list_box .list .list_item .checkbox{position:absolute;top:10px;left:10px}[data-v-99f85bac].book_box .list_box .list .list_item .pic{width:134px;height:165px;margin-right:16px;position:relative}[data-v-99f85bac].book_box .list_box .list .list_item .pic img{width:100%;height:100%}[data-v-99f85bac].book_box .list_box .list .list_item .item_info{width:calc(100% - 134px)}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_title{font-family:Source Han Serif CN;font-weight:500;font-size:18px;color:#333;line-height:22px;margin-bottom:8px;height:44px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:ellipsis}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_tag{padding:0 4px;background:rgba(218,235,255,.28);border-radius:2px 2px 2px 2px;border:1px solid #d4e4ff;font-family:Source Han Serif CN;font-weight:400;font-size:13px;color:#627cff;line-height:22px;margin-bottom:8px}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_num{display:flex;font-family:Source Han Serif CN;font-weight:400;font-size:14px;color:#666;line-height:20px;margin-bottom:8px;margin-top:8px}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_num .num_num{color:#013a71}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_time{margin-bottom:14px;font-family:Source Han Serif CN;font-weight:400;font-size:12px;color:#999;line-height:17px}[data-v-99f85bac].book_box .list_box .list .list_item .item_info .info_util{font-family:Source Han Serif CN;font-weight:400;font-size:12px;color:#013a71;line-height:17px}[data-v-99f85bac].book_box .list_box .list .list_item:nth-child(3n){margin-right:0}[data-v-99f85bac].book_box .btn_box{margin-top:37px;display:flex;align-items:center;justify-content:flex-end}[data-v-99f85bac].book_box .btn_box .cancle,[data-v-99f85bac].book_box .btn_box .sure{cursor:pointer;border:1px solid #d3d3d3;padding:8px 24px;font-family:Source Han Serif CN;font-weight:500;font-size:16px;color:#333;line-height:24px;margin-left:30px}[data-v-99f85bac].book_box .btn_box .sure{border-color:#003970;background:#013a71;color:#fff}.delete_box[data-v-99f85bac]{font-family:Source Han Serif CN;font-weight:400;font-size:14px;color:#666;line-height:20px}.btn_box[data-v-99f85bac]{margin-top:37px;display:flex;align-items:center;justify-content:flex-end}.btn_box .cancle[data-v-99f85bac],.btn_box .sure[data-v-99f85bac]{cursor:pointer;border:1px solid #d3d3d3;padding:8px 24px;font-family:Source Han Serif CN;font-weight:500;font-size:16px;color:#333;line-height:24px;margin-left:30px}.btn_box .sure[data-v-99f85bac]{border-color:#003970;background:#013a71;color:#fff}