.book-textbook-wrapper .tree-book-list-wrapper{display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-line-pack:start;align-content:flex-start;-webkit-box-sizing:border-box;box-sizing:border-box}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper{margin:.2rem .2rem 0 0;width:3.6rem;height:6rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-sizing:border-box;box-sizing:border-box;border:1px solid #ebeef5}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .title{padding:0 .1rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-sizing:border-box;box-sizing:border-box;height:.5rem;background:#f0f5f9}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .title h1{margin-right:10px;-webkit-box-flex:1;-ms-flex:1;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree{margin:.1rem;-webkit-box-flex:1;-ms-flex:1;flex:1;overflow-y:auto}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree .el-tree-node__content{height:30px}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree .custom-tree-node{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-sizing:border-box;box-sizing:border-box}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree .custom-tree-node .name{max-width:1.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree .custom-tree-node .btn-wrapper{padding-left:10px}.book-textbook-wrapper .tree-book-list-wrapper .tree-book-wrapper .filter-tree .custom-tree-node .btn-wrapper .btn{padding:4px}.book-textbook-wrapper .checkbox-wrapper{width:100%;height:4rem;overflow-y:auto}.book-textbook-wrapper .checkbox-wrapper .checkbox-group{margin:0 0 0 24px;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-line-pack:start;align-content:flex-start;-webkit-box-sizing:border-box;box-sizing:border-box}