.left_menu{min-height:100%;width:200px;position:fixed;top:50px;left:0;bottom:0;background-color:#545c64;color:#fff;overflow-x:hidden;overflow-y:auto;transition:width .3s ease-in-out}.menu_mini{width:64px}.btn_collapse_div{position:absolute;color:#e8ecf0;left:0;right:0;bottom:0}.btn_collapse,.btn_collapse i{background:#0f1012}.btn_collapse i{display:block;cursor:pointer;transition:all .3s;padding:14px 16px;width:64px;text-align:center}.btn_collapse i:hover{color:#42aafa}.cache_menu_box{width:100%;background:#fff;padding:0 20px;white-space:nowrap;text-overflow:ellipsis;display:flex;overflow:hidden}.cache_menu_item{padding:5px 12px;display:inline-block;cursor:pointer;border-bottom:2px solid transparent;transition:all .3s;vertical-align:middle;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;margin:0 4px;border:1px solid #f1f1f1;font-size:12px;border-radius:2px}.active_cache_menu,.cache_menu_item:hover{background-color:#409eff;color:#fff}.nav_btn{position:absolute;top:0;bottom:0;padding:10px;height:41px;cursor:pointer;background:#fff;transition:all .3s;z-index:1}.nav_btn i{font-size:16px;vertical-align:middle}.nav_btn:hover{background-color:#6e7db1;color:#fff}.nav_btn_left{left:0}.nav_btn_right{right:0}.cache_menu_list{position:relative;transition:all .2s;padding:10px 0}