v3.26.1
Share-Based Compensation - Additional Information (Details)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Jul. 10, 2025
$ / shares
shares
Jul. 10, 2025
¥ / shares
shares
Aug. 12, 2024
CNY (¥)
¥ / shares
shares
Jun. 01, 2023
CNY (¥)
¥ / shares
shares
Feb. 05, 2021
¥ / shares
shares
Feb. 17, 2020
¥ / shares
shares
Jun. 30, 2019
¥ / shares
shares
Jan. 22, 2019
CNY (¥)
shares
Jan. 22, 2019
$ / shares
Feb. 28, 2026
CNY (¥)
¥ / shares
Feb. 28, 2026
USD ($)
Feb. 28, 2025
CNY (¥)
¥ / shares
Feb. 29, 2024
CNY (¥)
Feb. 28, 2019
CNY (¥)
Feb. 28, 2026
USD ($)
Jun. 30, 2015
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Shares option granted     1,901,790 1,155,000       460,000                
Intrinsic value of options exercised                   ¥ 21 $ 3 ¥ 66 ¥ 0      
Shares option granted per share | (per share)     ¥ 0.58 ¥ 2         $ 4.6 ¥ 11.18   ¥ 7.28        
Incremental compensation cost | ¥     ¥ 3,170 ¥ 453       ¥ 3,967                
Compensation expense | ¥                         400 ¥ 127    
Incremental compensation cost amortized over remaining vesting period | ¥       ¥ 53       ¥ 3,840                
Share-based compensation expenses                   ¥ 1,651 $ 241 ¥ 5,026 ¥ 3,122      
Unrecognized compensation cost related to non-vested share options                   ¥ 3,734         $ 544  
Unrecognized compensation cost expected to recognized over a weighted-average period                   1 year 11 months 23 days 1 year 11 months 23 days          
Directors                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Vesting period         4 years                      
Shares option granted         860,000                      
Weighted average grant date fair value of options granted per share | ¥ / shares         ¥ 13.24                      
Options expiration period         10 years                      
Officers                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Vesting period         4 years                      
Shares option granted         860,000                      
Weighted average grant date fair value of options granted per share | ¥ / shares         ¥ 13.24                      
Options expiration period         10 years                      
Employees                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Vesting period       4 years 4 years 4 years                    
Shares option granted 752,400 752,400   100,000 860,000 80,000 360,000                  
Weighted average grant date fair value of options granted per share | ¥ / shares       ¥ 17.75 ¥ 13.24 ¥ 10.03 ¥ 10.46                  
Options expiration period       10 years 10 years 10 years                    
Independent Directors, Executive Officers and Employees                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Shares option granted     650,000                          
Weighted average grant date fair value of options granted per share | (per share) $ 0.46 ¥ 3.18 ¥ 5.52                          
Maximum | Independent Directors, Executive Officers and Employees                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Vesting period     4 years                          
Minimum | Independent Directors, Executive Officers and Employees                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Vesting period     2 years                          
2015 Option Plan and 2017 Option Plan | Maximum                                
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                                
Number of ordinary shares authorized to issue                               4,201,330