v3.26.1
Equity settled share-based payments - Restricted share units (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 20, 2024
$ / shares
Dec. 31, 2025
CNY (¥)
tranche
$ / shares
shares
Sep. 30, 2025
$ / shares
shares
Jul. 31, 2025
$ / shares
shares
Jun. 30, 2025
$ / shares
shares
Mar. 31, 2025
$ / shares
shares
Jan. 31, 2025
$ / shares
shares
Oct. 31, 2024
tranche
$ / shares
shares
Mar. 31, 2024
shares
Oct. 31, 2023
tranche
$ / shares
shares
Jun. 30, 2023
CNY (¥)
tranche
Mar. 31, 2023
$ / shares
shares
Oct. 31, 2022
tranche
$ / shares
shares
Dec. 31, 2023
CNY (¥)
$ / shares
Dec. 31, 2023
CNY (¥)
tranche
shares
Dec. 31, 2025
CNY (¥)
shares
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
$ / shares
shares
Dec. 31, 2024
CNY (¥)
shares
Jun. 30, 2023
CNY (¥)
$ / shares
Jun. 30, 2023
CNY (¥)
shares
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Equity settled share-based payments                                                  
Total compensation expense | ¥                             ¥ 46,432,000 ¥ 367,869,000     ¥ 85,184,000   ¥ 62,882,000        
Restricted share units                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares                             103,200           1,333,360        
Purchase price per share | $ / shares                           $ 0.036           $ 0.036          
Granted fair value share option   ¥ 115,902,000                 ¥ 186,116,000     $ 4,812,000 ¥ 4,812,000 ¥ 115,902,000   ¥ 847,747,000 847,747,000 $ 186,116,000 ¥ 186,116,000 $ 16,200,000 $ 118,087,000 $ 674,000 $ 27,004,000
Total compensation expense                             ¥ 38,839,000   $ 131,226,000   ¥ 79,305,000   ¥ 28,963,000        
Restricted share units | Minimum                                                  
Equity settled share-based payments                                                  
Number of tranches | tranche                     3       3                    
Vesting period                                         2 years        
Restricted share units | Maximum                                                  
Equity settled share-based payments                                                  
Number of tranches | tranche                     5       5                    
Vesting period                                         4 years        
Restricted share units | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares for which performance targets were set   10,846                           10,846           10,846      
Restricted share units | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares for which performance targets were set   97,614                           97,614           97,614      
Restricted share units | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares for which performance targets were set   3,089,548                           3,089,548           3,089,548      
Restricted share units issued on October 2022                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares                         143,436                        
Purchase price per share | $ / shares                         $ 0                        
Number of tranches | tranche                         2                        
Restricted share units issued on October 2022 | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting period                         1 year                        
Restricted share units issued on March 2023                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares                       5,084,800                          
Purchase price per share | $ / shares                       $ 0.036                          
Restricted share units issued on March 2023 | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage                               20.00% 20.00%                
Restricted share units issued on March 2023 | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage                       20.00%                          
Restricted share units issued on March 2023 | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage                       20.00%                          
Restricted share units issued on March 2023 | Vesting tranche five                                                  
Equity settled share-based payments                                                  
Vesting percentage                       20.00%                          
Restricted share units issued on October 2023                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares                   22,472                              
Purchase price per share | $ / shares                   $ 0                              
Number of tranches | tranche                   4                              
Restricted share units issued on March 2024                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares                 20,871,490                                
Purchase price per share | $ / shares $ 0.00001                                                
Restricted share units issued on March 2024 | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage                                     10.00%            
Grants to purchase ordinary shares for which performance targets were set                                   2,087,149 2,087,149       2,087,149    
Restricted share units issued on March 2024 | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage                                     10.00%            
Grants to purchase ordinary shares for which performance targets were set                                   18,784,341 18,784,341       18,784,341    
Restricted share units issued on March 2024 | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage                                     15.00%            
Restricted share units issued on March 2024 | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage                                     20.00%            
Restricted share units issued on March 2024 | Vesting tranche five                                                  
Equity settled share-based payments                                                  
Vesting percentage                                     45.00%            
Restricted share units issued on October 2024                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares               39,300                     686,680            
Purchase price per share | $ / shares               $ 0                   ¥ 0.036              
Number of tranches | tranche               4                                  
Restricted share units issued on March 2025, one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares           240,960                                      
Purchase price per share | $ / shares           $ 0.036                                      
Restricted share units issued on March 2025, one | Minimum                                                  
Equity settled share-based payments                                                  
Vesting period           3 years                                      
Restricted share units issued on March 2025, one | Maximum                                                  
Equity settled share-based payments                                                  
Vesting period           5 years                                      
Restricted share units issued on June 2025, one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares         45,200                                        
Purchase price per share | $ / shares         $ 0.00001                                        
Restricted share units issued on September 2025, one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares     102,000                                            
Purchase price per share | $ / shares     $ 0.00001                                            
Restricted share units issued on September 2025, one | Minimum                                                  
Equity settled share-based payments                                                  
Vesting period     3 years                                            
Restricted share units issued on September 2025, one | Maximum                                                  
Equity settled share-based payments                                                  
Vesting period     5 years                                            
Restricted share units issued on December 2025, one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares   93,800                                              
Purchase price per share | $ / shares   ¥ 0.00001                                              
Restricted share units issued on December 2025, one | Minimum                                                  
Equity settled share-based payments                                                  
Vesting period   3 years                                              
Restricted share units issued on December 2025, one | Maximum                                                  
Equity settled share-based payments                                                  
Vesting period   5 years                                              
Restricted share units issued on March 2025, two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares           534,398                                      
Purchase price per share | $ / shares           $ 0.00001                                      
Restricted share units issued on March 2025, two | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage           11.11%                                      
Restricted share units issued on March 2025, two | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage           16.67%                                      
Restricted share units issued on March 2025, two | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage           22.22%                                      
Restricted share units issued on March 2025, two | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage           50.00%                                      
Restricted share units issued on June 2025, two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares         69,700                                        
Purchase price per share | $ / shares         $ 0.00001                                        
Restricted share units issued on June 2025, two | Minimum                                                  
Equity settled share-based payments                                                  
Vesting period         3 years                                        
Restricted share units issued on June 2025, two | Maximum                                                  
Equity settled share-based payments                                                  
Vesting period         5 years                                        
Restricted share units issued on June 2025, two | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage         11.11%                                        
Restricted share units issued on June 2025, two | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage         16.67%                                        
Restricted share units issued on June 2025, two | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage         22.22%                                        
Restricted share units issued on June 2025, two | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage         50.00%                                        
Restricted share units issued on September 2025, two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares     46,470                                            
Purchase price per share | $ / shares     $ 0.00001                                            
Restricted share units issued on September 2025, two | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage     11.11%                                            
Restricted share units issued on September 2025, two | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage     16.67%                                            
Restricted share units issued on September 2025, two | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage     22.22%                                            
Restricted share units issued on September 2025, two | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage     50.00%                                            
Restricted share units issued on December 2025, two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares   13,440                                              
Purchase price per share | $ / shares   ¥ 0.036                                              
Number of tranches | tranche   3                                              
Restricted share units issued on March 2025, three                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares           77,440                                      
Purchase price per share | $ / shares           $ 0.00001                                      
Restricted share units issued on July 2025, one                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares       557,640                                          
Purchase price per share | $ / shares       $ 0.00001                                          
Restricted share units issued on July 2025, one | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage       11.11%                                          
Restricted share units issued on July 2025, one | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage       16.67%                                          
Restricted share units issued on July 2025, one | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage       22.22%                                          
Restricted share units issued on July 2025, one | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage       50.00%                                          
Restricted share units issued on July 2025, two                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares       1,208,850                                          
Purchase price per share | $ / shares       $ 0.00001                                          
Restricted share units issued on July 2025, two | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, two | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, two | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, two | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, two | Vesting tranche five                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, three                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares       595,050                                          
Purchase price per share | $ / shares       $ 0.00001                                          
Restricted share units issued on July 2025, three | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, three | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, three | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, three | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on July 2025, three | Vesting tranche five                                                  
Equity settled share-based payments                                                  
Vesting percentage       20.00%                                          
Restricted share units issued on January 2025                                                  
Equity settled share-based payments                                                  
Grants to purchase ordinary shares             108,460                                    
Purchase price per share | $ / shares             $ 0.00001                                    
Restricted share units issued on January 2025 | Vesting tranche one                                                  
Equity settled share-based payments                                                  
Vesting percentage             10.00%                                    
Restricted share units issued on January 2025 | Vesting tranche two                                                  
Equity settled share-based payments                                                  
Vesting percentage             10.00%                                    
Restricted share units issued on January 2025 | Vesting tranche three                                                  
Equity settled share-based payments                                                  
Vesting percentage             15.00%                                    
Restricted share units issued on January 2025 | Vesting tranche four                                                  
Equity settled share-based payments                                                  
Vesting percentage             20.00%                                    
Restricted share units issued on January 2025 | Vesting tranche five                                                  
Equity settled share-based payments                                                  
Vesting percentage             45.00%