.module_base_tree{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.module_base_tree .el-tree{background-color:#fff;color:#666}.module_base_tree .el-tree-node{position:relative}.module_base_tree .el-tree-node .custom_tree_node{vertical-align:middle;display:inline-block}.module_base_tree .el-tree-node__content{height:35px;line-height:35px;border-left:2px solid #f0f0f0}.module_base_tree .el-icon-caret-right{display:inline-block;vertical-align:middle}.module_base_tree .el-tree-node__expand-icon{z-index:102;font-size:18px}.module_base_tree .is-leaf .el-icon-caret-right{position:relative}.module_base_tree .is-leaf .el-icon-caret-right:before{opacity:0}.module_base_tree .el-tree-node__expand-icon.expanded{color:#666}.module_base_tree .el-tree-node.is-current>.el-tree-node__content{background-color:#e5e5e5;color:#333;border-color:#26bf80}.module_base_tree .el-tree-node__content:hover{background-color:#e5e5e5}.module_base_tree .know-accurate.red-font{color:#f94343}.module_base_tree .know-accurate.green-font{color:#26bf80}.module_base_tree .know-accurate.yellow-font{color:#f99143}.module_textbook_prepare_tree_title .prepare_tree_title .popover_target{top:28px!important}.module_chapter_and_knowledge_tree .module_chapter_and_knowledge_tree_content .tree_title{height:61px;line-height:61px;font-size:18px}.module_chapter_and_knowledge_tree .module_chapter_and_knowledge_tree_content .tree_title .popover_target{height:61px;line-height:61px}.module_chapter_and_knowledge_tree .module_chapter_and_knowledge_tree_content .tree_title .popover_target span{border:0 solid #ccc}.module_textbook_prepare_tree_title .prepare_tree_title[data-v-27db407d],.module_textbook_prepare_tree_title[data-v-27db407d]{height:90px}.module_textbook_prepare_tree_title .prepare_tree_title .prepare_tree_title_box[data-v-27db407d]{padding-top:24px;position:relative}.module_textbook_prepare_tree_title .prepare_tree_title .prepare_tree_title_box p[data-v-27db407d]{line-height:20px;text-align:center;width:150px}.module_textbook_prepare_tree_title .prepare_tree_title .prepare_tree_title_box p[data-v-27db407d]:first-child{margin-bottom:10px;padding-left:10px}.module_textbook_prepare_tree_title .prepare_tree_title .prepare_tree_title_box p[data-v-27db407d]:nth-of-type(2){font-weight:400;font-size:14px;padding:0 25px 0 15px}.module_textbook_prepare_tree_title .prepare_tree_title .prepare_tree_title_box .prepare_tree_title_box_line[data-v-27db407d]{position:absolute;top:30px;right:28px;width:1px;height:42px;background:#e1e1e1;z-index:888}.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_has_tree_layout{display:-webkit-box;display:-ms-flexbox;display:flex}.module_has_tree_layout .has_tree_layout_left{width:280px}.module_has_tree_layout .has_tree_layout_right{-webkit-box-flex:1;-ms-flex:1;flex:1}