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.26rem}.library .library_books .search_nav .subject_nav{text-align:center;width:1.5rem;font-size:.32rem;color:#333;margin-left:.22rem}.library .library_books .common-filter-bar{margin:0 auto;width:6.9rem}.library .library_books .library_booksContent{overflow:scroll;-webkit-box-flex:1;-ms-flex:1;flex:1}.library .library_books .library_booksContent .classType_nav{width:100%;height:.5rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:horizontal;-webkit-box-direction:normal;-ms-flex-direction:row;flex-direction:row;-webkit-box-align:center;-ms-flex-align:center;align-items:center;overflow:scroll;-ms-flex-wrap:nowrap;flex-wrap:nowrap;margin-bottom:.4rem}.library .library_books .library_booksContent .classType_nav .classNav_item{text-align:center;line-height:.5rem;color:#555;font-size:.3rem;padding:0 .3rem}.library .library_books .library_booksContent .classType_nav .classNav_item:first-of-type{padding-left:0}.library .library_books .library_booksContent 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.class-btn{position:absolute;bottom:2.2rem;left:0;width:100%;left:calc(50% - 2.9rem)}.library .class-type .class-wrap .class-btn .search-Class{background-color:#ea5503;color:#fff;width:5.8rem}.library .class-type .el-tree-node{min-height:.9rem;line-height:1rem;color:#333;font-size:.3rem;padding-top:.15rem;border-bottom:1px solid #ededed}.library .class-type .el-tree-node:focus>.el-tree-node__content,.library .class-type .el-tree-node__content:hover{background:none}.library .class-type .el-tree-node__label{font-size:.3rem;padding-right:.4rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;float:left!important}.library .class-type .el-tree-node__content:after{content:attr(data);float:right;color:#333;position:relative;right:20px}.library .class-type .el-tree-node__children{outline:none}.library .class-type .class-wrap .class-item-box .el-tree div.is-current>.el-tree-node__content{color:#ea5503}.library .class-type .class-wrap .class-item-box .el-tree 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