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Shareholder's Equity - Additional Information (Details)
$ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Aug. 14, 2024
CNY (¥)
shares
Aug. 14, 2024
USD ($)
$ / shares
shares
Feb. 28, 2025
CNY (¥)
shares
Feb. 29, 2024
CNY (¥)
shares
Feb. 28, 2023
CNY (¥)
shares
Feb. 28, 2025
$ / shares
shares
Feb. 29, 2024
$ / shares
shares
Feb. 28, 2022
shares
Jun. 09, 2014
shares
Class of Stock [Line Items]                  
Ordinary shares, authorized           500,000,000 500,000,000    
Ordinary shares, issued           22,600,576 21,163,416   14,000,000
Ordinary shares, outstanding           22,600,576 21,163,416   14,000,000
Ordinary shares, par value | $ / shares           $ 0.0001 $ 0.0001    
Exercise of share options, Shares     1,137,000            
Treasury shares repurchased     0 25,799 49,591        
Treasury shares repurchased, value | ¥     ¥ 0 ¥ 159 ¥ 238        
Cash dividend declared | $ / shares   $ 0.23              
Cash dividend ordinary shares 22,303,024 22,303,024              
Dividend distribution ¥ 36,598 $ 5,025              
Ordinary Shares                  
Class of Stock [Line Items]                  
Ordinary shares, outstanding         21,189,215 22,600,576 21,163,416 21,238,806  
Reissuance of treasury stock, Shares     300,000 0 0        
Exercise of share options, Shares     1,137,160            
Treasury Shares                  
Class of Stock [Line Items]                  
Reissuance of treasury stock, Shares     (300,000)            
Exercise of share options, Shares     (275,000) 0 0        
ADS                  
Class of Stock [Line Items]                  
Cash dividend declared | $ / shares   $ 2.3