v3.26.3
COMMITMENTS - Additional information (Details) - CNY (¥)
¥ in Thousands
1 Months Ended
Jan. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
COMMITMENTS        
Contractual Outstanding Commitment For Acquisition Of Inventories   ¥ (30,721) ¥ (39,795)  
Contractual capital commitments   256,528 277,122  
Contracted for purchase of services   (216,807) (216,807)  
Contracted for capital investments   9,000 20,520  
Contractual Commitments Paid For Capital Investments ¥ 11,500      
Vehicle purchase agreement        
COMMITMENTS        
Contractual Outstanding Commitment For Acquisition Of Inventories       ¥ 100,300
Contractual capital commitments   78,100    
Vehicle purchase agreement two        
COMMITMENTS        
Contractual Outstanding Commitment For Acquisition Of Inventories     32,700 32,700
Contractual capital commitments   24,300    
Research and development service agreement        
COMMITMENTS        
Contractual capital commitments   ¥ 0    
Contracted for purchase of services     ¥ 216,800 ¥ 216,800