.fl[data-v-385a9d47]{float:left}.fr[data-v-385a9d47]{float:right}.text_center[data-v-385a9d47]{text-align:center}.text_left[data-v-385a9d47]{text-align:left}.text_right[data-v-385a9d47]{text-align:right}.text_overflow[data-v-385a9d47]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.disable[data-v-385a9d47]{pointer-events:none}.disable[data-v-385a9d47]:hover{border:none}.text_overflow3[data-v-385a9d47]{-webkit-line-clamp:3;line-clamp:3}.text_overflow2[data-v-385a9d47],.text_overflow3[data-v-385a9d47]{text-overflow:-o-ellipsis-lastline;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical}.text_overflow2[data-v-385a9d47]{-webkit-line-clamp:2;line-clamp:2}.text_overflow1[data-v-385a9d47]{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-385a9d47]{position:relative}.psn_absolute[data-v-385a9d47]{position:absolute}.no_write_module_placeholder[data-v-385a9d47]{font-size:50px;text-align:center;margin-top:50px}.clearfix[data-v-385a9d47]:after,.clearfix[data-v-385a9d47]:before{content:" ";display:table}.clearfix[data-v-385a9d47]:after{clear:both}.clearfix[data-v-385a9d47],.text_overflow[data-v-385a9d47],[data-v-385a9d47],zoom 1[data-v-385a9d47]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.red_color_font[data-v-385a9d47]{color:#fa541c}.main_color_font[data-v-385a9d47]{color:#26bf80}.white_color_font[data-v-385a9d47]{color:#fff}.grey_color_font[data-v-385a9d47]{color:#8c8c8c}.orange_color_font[data-v-385a9d47]{color:$basket_color}.dander_color[data-v-385a9d47]{color:#ff2a00}.small_size[data-v-385a9d47]{font-size:12px}.middle_size[data-v-385a9d47]{font-size:14px}.width_150[data-v-385a9d47]{width:150px}.ml_10[data-v-385a9d47]{margin-left:10px}.mr_10[data-v-385a9d47]{margin-right:10px}.mb_10[data-v-385a9d47]{margin-bottom:10px}.mt_10[data-v-385a9d47]{margin-top:10px}.font_weight[data-v-385a9d47]{font-weight:700}.pointer[data-v-385a9d47]{cursor:pointer}.no_border[data-v-385a9d47]{border:none}.delete_btn:hover span[data-v-385a9d47]{color:#fa541c!important}.related-knowledge-points[data-v-385a9d47]{height:100%}.related-knowledge-points .select_line[data-v-385a9d47]{border-left:1px dashed #dcdfe6;border-bottom:1px dashed #dcdfe6;width:16px;height:40px;left:-18px;top:-24px;position:absolute;z-index:1}.related-knowledge-points .select_line.active[data-v-385a9d47]{border-left:1px dashed #26bf80;border-bottom:1px dashed #26bf80}.related-knowledge-points .question-body[data-v-385a9d47]{width:150px;height:100%;padding-top:0;background-color:#fcfbfb;overflow-y:scroll;overflow-x:hidden;overflow:-moz-scrollbars-none;-ms-overflow-style:none}.related-knowledge-points .question-body[data-v-385a9d47]::-webkit-scrollbar{width:0}.related-knowledge-points .question-body .question-title[data-v-385a9d47]{text-align:left;height:40px;line-height:40px;background:#f0f0f0;padding-left:20px;width:150px;border-right:1px solid #dcdfe6;color:#343434;font-size:14px;font-weight:700}.related-knowledge-points .question-body .question-list[data-v-385a9d47]{margin:0 20px;margin-top:10px;margin-bottom:30px}.related-knowledge-points .question-body .question-list .question-item[data-v-385a9d47]{margin-bottom:10px;height:32px;width:110px;border:1px solid #dcdfe6;line-height:32px;text-align:center;position:relative;cursor:pointer}.related-knowledge-points .question-body .question-list .question-item.question-name[data-v-385a9d47]{color:#595959;font-weight:700}.related-knowledge-points .question-body .question-list .question-item.active[data-v-385a9d47],.related-knowledge-points .question-body .question-list .question-item[data-v-385a9d47]:hover{border:1px solid #26bf80}.related-knowledge-points .question-body .question-list .question-item.active[data-v-385a9d47]:after{width:0;height:0;border-top:12px solid #26bf80;border-left:11px solid transparent;display:block;content:"";position:absolute;right:0;top:0}.related-knowledge-points .question-body .question-list .question-item:after.isRealted[data-v-385a9d47]{border-top:12px solid #dcdfe6}.related-knowledge-points .question-body .question-list .question-item.isRealted[data-v-385a9d47]{border:1px solid #dcdfe6}.related-knowledge-points .question-body .question-list .question-item.isRealted[data-v-385a9d47]:after{width:0;height:0;border-top:12px solid #dcdfe6;border-left:11px solid transparent;display:block;content:"";position:absolute;right:0;top:0}.related-knowledge-points .question-body .question-list .question-item.isRealted[data-v-385a9d47]:hover{border:1px solid #26bf80}.related-knowledge-points .question-body .question-list .question-item .question-prefix[data-v-385a9d47]{position:absolute;left:-24px;top:25%}.related-knowledge-points .question-body .question-list .question-item .expand-icon[data-v-385a9d47]{width:15px;height:15px;border:1px solid #26c080;border-radius:50%;color:#26c080;cursor:pointer;z-index:2;background:#fff}.related-knowledge-points .question-body .question-list .question-item .expand-icon.el-icon-plus[data-v-385a9d47]{color:#ccc;border:1px solid #dcdfe6;border-radius:50%}.related-knowledge-points .question-body .question-list .question-item .long-line-icon[data-v-385a9d47]{border:1px dashed #26c080;width:0;height:40px;left:-18px;top:0}.related-knowledge-points .question-body .question-list .question-item .long-line-icon.last-line[data-v-385a9d47]{height:14px}.related-knowledge-points .question-body .question-list .question-item .long-line-icon[data-v-385a9d47]:after{border:1px dashed #26c080;width:15px;height:0;position:absolute;content:"";top:11px;left:2px}.related-knowledge-points .question-body .question-list .question-small-item[data-v-385a9d47]{width:86px;margin-left:24px}.related-knowledge-points .know-tree-difficulty[data-v-385a9d47]{height:780px;padding-top:0;width:448px;border-left:1px solid #f0f0f0}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content[data-v-385a9d47]{height:100%}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .know-tree-body[data-v-385a9d47]{padding-left:20px;overflow-y:auto;-ms-overflow-style:none;overflow:-moz-scrollbars-none}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .know-tree-body[data-v-385a9d47]::-webkit-scrollbar{display:none}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .know-tree-difficulty-title[data-v-385a9d47]{line-height:40px;height:40px;background:#f0f0f0;padding-left:20px;color:#343434;font-size:14px;font-weight:700}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .title[data-v-385a9d47]{font-weight:400;font-size:14px;color:#333}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .question-difficulty[data-v-385a9d47]{border-bottom:1px solid #dcdfe6;margin-left:20px;padding:20px 0;margin-right:20px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .question-difficulty .question-difficulty-rate[data-v-385a9d47]{margin-left:30px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .question-difficulty .question-difficulty-rate i[data-v-385a9d47]{font-size:20px;margin-right:4px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .tag_wrapper[data-v-385a9d47]{height:620px;overflow-y:auto;-ms-overflow-style:none;overflow:-moz-scrollbars-none}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .tag_wrapper[data-v-385a9d47]::-webkit-scrollbar{display:none}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .checked_nodes[data-v-385a9d47]{padding:20px 0;padding-left:20px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .checked_nodes .el-tag[data-v-385a9d47]{margin-right:10px;margin-bottom:5px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .checked_nodes .tag_info[data-v-385a9d47]{margin-bottom:10px;padding:5px 10px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part[data-v-385a9d47]{margin:0 0 20px;margin-top:10px;text-align:center;margin-left:20px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part .part_title[data-v-385a9d47]{height:30px;line-height:30px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part .search_node_input[data-v-385a9d47]{margin-left:15px;width:325px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part .search_node_input .search_node_list[data-v-385a9d47]{max-height:200px;overflow-y:auto;font-size:12px;line-height:20px}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part .search_node_input .search_node_list li[data-v-385a9d47]{padding:2px 5px;cursor:pointer;text-align:left}.related-knowledge-points .know-tree-difficulty .know-tree-difficulty-content .knowledge_part .search_node_input .search_node_list li[data-v-385a9d47]:hover{background-color:#f5f7fa}