v3.26.3
CAPITAL AND RESERVES (Details)
$ / shares in Units, $ in Millions
6 Months Ended 12 Months Ended
Mar. 23, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
shares
Jun. 30, 2025
CNY (¥)
Dec. 31, 2025
CNY (¥)
shares
Jun. 30, 2026
$ / shares
CAPITAL AND RESERVES          
Number of shares issued for settlement | shares   1,915,725      
Par value per share | $ / shares         $ 0.00001
Class A ordinary shares issued to depositary bank, shares | shares   75,000,000   75,000,000  
Number of shares issued for exercise of share options | shares   3,850,311      
Proceeds from stock options exercised   ¥ 21,000,000      
Proceeds from consideration, share depositary bank       ¥ 0  
Number of shares issued for settlement of vested restricted stock units from share depositary bank | shares   34,788,501      
Number of shares issued for exercise of share options from share depositary bank | shares   17,922,804      
Treasury shares   ¥ 684,809,000      
Number of vested RSUs and exercise of vested share options | shares   22,288,695      
Beginning balance   ¥ 7,900,174,000 ¥ 7,066,019,000 7,066,019,000  
Loss for the period   (789,750,000) (791,517,000)    
Foreign currency translation adjustment, net of nil income taxes   (18,942,000)      
Net of income taxes   0 0    
Share-based compensation expenses   119,210,000 219,522,000    
Ending balance   6,395,302,000 6,463,756,000 7,900,174,000  
Dividends declared or paid   0 ¥ 0    
Share-based compensation reserve          
CAPITAL AND RESERVES          
Beginning balance   2,523,287,000      
Share-based compensation expenses   119,210,000      
Ending balance   2,642,497,000   2,523,287,000  
Translation reserve          
CAPITAL AND RESERVES          
Beginning balance   (318,313,000)      
Foreign currency translation adjustment, net of nil income taxes   (172,106,000)      
Net of income taxes   0      
Ending balance   (490,419,000)   (318,313,000)  
Other reserves          
CAPITAL AND RESERVES          
Beginning balance   1,018,848,000      
Ending balance   1,018,848,000   1,018,848,000  
Accumulated losses          
CAPITAL AND RESERVES          
Beginning balance   (10,286,252,000)      
Loss for the period   (789,750,000)      
Ending balance   ¥ (11,076,002,000)   (10,286,252,000)  
Class A ordinary shares          
CAPITAL AND RESERVES          
Number of shares | shares   972,508,041      
Share capital   ¥ 69,000   69,000  
Repurchase amount | $ $ 100        
Share repurchase period 12 months        
Class A ordinary shares | Nasdaq Stock Market          
CAPITAL AND RESERVES          
Shares repurchased | shares   13,006,299      
Class A ordinary shares | HKEX          
CAPITAL AND RESERVES          
Shares repurchased | shares   27,447,800      
Class B ordinary shares          
CAPITAL AND RESERVES          
Number of shares | shares   54,814,423      
Share capital   ¥ 4,000   ¥ 4,000