.module_select_know_popover{padding:10px}.module_select_know_popover .el-popover__title{font-size:14px;color:#8c8c8c}.module_select_know_popover .tree_button_wrapper{text-align:center;margin-top:10px}.module_select_know_popover .tree_button_wrapper .el-button+.el-button{margin-left:20px}.fl{float:left}.fr{float:right}.text_center{text-align:center}.text_left{text-align:left}.text_right{text-align:right}.text_overflow{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.disable{pointer-events:none}.disable:hover{border:none}.text_overflow3{-webkit-line-clamp:3;line-clamp:3}.text_overflow2,.text_overflow3{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical}.text_overflow2{-webkit-line-clamp:2;line-clamp:2}.text_overflow1{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical}.psn_relative{position:relative}.psn_absolute{position:absolute}.no_write_module_placeholder{font-size:50px;text-align:center;margin-top:50px}.clearfix:after,.clearfix:before{content:" ";display:table}.clearfix:after{clear:both}*,.clearfix,.text_overflow,zoom 1{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.red_color_font{color:#fa541c}.main_color_font{color:#26bf80}.white_color_font{color:#fff}.grey_color_font{color:#8c8c8c}.orange_color_font{color:$basket_color}.dander_color{color:#ff2a00}.small_size{font-size:12px}.middle_size{font-size:14px}.width_150{width:150px}.ml_10{margin-left:10px}.mr_10{margin-right:10px}.mb_10{margin-bottom:10px}.mt_10{margin-top:10px}.font_weight{font-weight:700}.pointer{cursor:pointer}.no_border{border:none}.delete_btn:hover span{color:#fa541c!important}.module_prepare_save_setting_dialog .save_setting_dialog .dialog_body{min-height:0!important}.module_prepare_save_setting_dialog .save_setting_dialog .el-form-item{margin-bottom:12px}.module_prepare_save_setting_dialog .save_setting_dialog .el-form-item .el-form-item__label{color:#666}.module_prepare_save_setting_dialog .save_setting_dialog .el-dialog__body{padding:20px 16px 0}.module_prepare_save_setting_dialog .save_setting_dialog .common__btn{border:1px solid #26bf80;color:#26bf80}.module_prepare_save_setting_dialog .save_setting_dialog .chapter_name{color:#333;font-size:14px;margin-right:10px;max-width:410px}.module_prepare_save_setting_dialog .save_setting_dialog .form_input .el-input__inner{color:#333;font-size:14px}.module_prepare_save_setting_dialog .save_setting_dialog .form_select .el-input{width:98px}.module_prepare_save_setting_dialog .save_setting_dialog .form_select .el-input__inner{text-align:center}.module_prepare_save_setting_dialog .save_setting_dialog .el_form_select_class .el-form-item__label{line-height:36px}.module_prepare_save_setting_dialog .save_setting_dialog .select_class{font-size:14px;line-height:36px}.module_prepare_save_setting_dialog .save_setting_dialog .select_class .el-checkbox__label{color:#333;position:absolute;top:8px;left:12px}.module_prepare_save_setting_dialog .save_setting_dialog .select_class .class_name{display:inline-block;max-width:135px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.fl[data-v-2fec9d2f]{float:left}.fr[data-v-2fec9d2f]{float:right}.text_center[data-v-2fec9d2f]{text-align:center}.text_left[data-v-2fec9d2f]{text-align:left}.text_right[data-v-2fec9d2f]{text-align:right}.text_overflow[data-v-2fec9d2f]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.disable[data-v-2fec9d2f]{pointer-events:none}.disable[data-v-2fec9d2f]:hover{border:none}.text_overflow3[data-v-2fec9d2f]{-webkit-line-clamp:3;line-clamp:3}.text_overflow2[data-v-2fec9d2f],.text_overflow3[data-v-2fec9d2f]{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical}.text_overflow2[data-v-2fec9d2f]{-webkit-line-clamp:2;line-clamp:2}.text_overflow1[data-v-2fec9d2f]{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical}.psn_relative[data-v-2fec9d2f]{position:relative}.psn_absolute[data-v-2fec9d2f]{position:absolute}.no_write_module_placeholder[data-v-2fec9d2f]{font-size:50px;text-align:center;margin-top:50px}.clearfix[data-v-2fec9d2f]:after,.clearfix[data-v-2fec9d2f]:before{content:" ";display:table}.clearfix[data-v-2fec9d2f]:after{clear:both}.clearfix[data-v-2fec9d2f],.text_overflow[data-v-2fec9d2f],[data-v-2fec9d2f],zoom 1[data-v-2fec9d2f]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.red_color_font[data-v-2fec9d2f]{color:#fa541c}.main_color_font[data-v-2fec9d2f]{color:#26bf80}.white_color_font[data-v-2fec9d2f]{color:#fff}.grey_color_font[data-v-2fec9d2f]{color:#8c8c8c}.orange_color_font[data-v-2fec9d2f]{color:$basket_color}.dander_color[data-v-2fec9d2f]{color:#ff2a00}.small_size[data-v-2fec9d2f]{font-size:12px}.middle_size[data-v-2fec9d2f]{font-size:14px}.width_150[data-v-2fec9d2f]{width:150px}.ml_10[data-v-2fec9d2f]{margin-left:10px}.mr_10[data-v-2fec9d2f]{margin-right:10px}.mb_10[data-v-2fec9d2f]{margin-bottom:10px}.mt_10[data-v-2fec9d2f]{margin-top:10px}.font_weight[data-v-2fec9d2f]{font-weight:700}.pointer[data-v-2fec9d2f]{cursor:pointer}.no_border[data-v-2fec9d2f]{border:none}.delete_btn:hover span[data-v-2fec9d2f]{color:#fa541c!important}.module_prepare_exercise_create .create_answer_sheet_wrapper[data-v-2fec9d2f]{margin-bottom:70px}.module_prepare_exercise_create .create_answer_sheet_wrapper .file_upload_wrapper[data-v-2fec9d2f]{min-height:700px;padding-left:20px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.module_prepare_exercise_create .create_answer_sheet_wrapper .file_upload_wrapper .img_box[data-v-2fec9d2f]{width:131px;height:144px}.module_prepare_exercise_create .create_answer_sheet_wrapper .file_upload_wrapper p.tips[data-v-2fec9d2f]{text-align:center;font-size:14px;color:#999}.module_prepare_exercise_create .create_answer_sheet_wrapper .file_upload_wrapper .el-button[data-v-2fec9d2f]{margin:20px auto;display:block;border-color:#26bf80;font-size:14px;color:#26bf80}.module_prepare_exercise_create .exercise_save_next_button[data-v-2fec9d2f]{position:fixed;bottom:0;left:0;width:100%;z-index:1888;height:70px;background-color:#fff;-webkit-box-shadow:0 0 10px 0 hsla(0,0%,80%,.5);box-shadow:0 0 10px 0 hsla(0,0%,80%,.5);display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.module_prepare_exercise_create .exercise_save_next_button .operate_button[data-v-2fec9d2f]{width:150px;font-size:16px}.module_prepare_exercise_create .exercise_save_next_button .operate_button.back[data-v-2fec9d2f]{background-color:#e6e6e6;color:#666}