.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_exerise_preview .accessory_wrapper{min-height:880px}.module_prepare_exerise_preview .accessory_left{height:880px;padding:40px;border:1px solid #e1e1e1;border-right:none;-webkit-box-sizing:border-box;box-sizing:border-box}.module_prepare_exerise_preview .accessory_right{height:880px;border:1px solid #e1e1e1;-webkit-box-sizing:border-box;box-sizing:border-box}.module_prepare_exerise_preview .right_title{padding:0 20px;height:40px;line-height:40px;background-color:#f7f7f7;font-size:14px;color:#333}.module_prepare_exerise_preview .accessory_content_wrapper{padding-top:18px;max-height:840px;overflow-y:scroll}.module_prepare_exerise_preview .accessory_big_qs_item{color:#666;font-size:14px;padding:0 20px}.module_prepare_exerise_preview .accessory_big_qs_item h4 .qs_info{font-size:12px;padding-left:5px}.module_prepare_exerise_preview .accessory_small_qs_wrapper{padding:14px 20px 14px 26px}.module_prepare_exerise_preview .accessory_small_qs_wrapper .accessory_qs_item{margin-bottom:8px;line-height:22px}.module_prepare_exerise_preview .accessory_small_qs_wrapper .accessory_qs_item:last-child{margin-bottom:0}.module_prepare_exerise_preview .accessory_qs_body>p{margin-right:8px;max-width:28px}.module_prepare_exerise_preview .accessory_qs_body_content{line-height:22px}.module_prepare_exerise_preview .accessory_qs_body_content img{width:70px;height:70px;-o-object-fit:cover;object-fit:cover;border-radius:8px}.module_prepare_exerise_preview .accessory_multiple_fill_box .fill_answer_show{padding-bottom:8px}.module_prepare_exerise_preview .accessory_multiple_fill_box .multiple_fill_answer{width:258px;line-height:22px}.module_prepare_exerise_preview .accessory_multiple_fill_box:last-child .fill_answer_show{padding-bottom:0}.module_prepare_exerise_preview .accessory_multiple_fill_box .has_space{margin-left:4px}.module_prepare_exerise_preview .multiple_fill_num{border:1px solid #666;display:inline-block;width:16px;height:16px;border-radius:50%;font-size:12px;line-height:12px;text-align:center;margin-top:3px}.module_prepare_exerise_preview .same_result_show.multiple{padding-left:18px}.module_prepare_exerise_preview .same_result_show>p{font-size:14px;color:#26bf80;line-height:24px}.module_prepare_exerise_preview .el-carousel__item{text-align:center}.module_prepare_exerise_preview .answer_img{max-width:100%;max-height:100%}