v3.26.1
Convertible Notes Payable (Details)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Convertible Notes Payable [Line Items]        
Principal amount | ¥   ¥ 18,449    
Convertible notes payable $ 2,638,000 ¥ 18,449
Net proceeds | $ $ 2,580,000      
Convertible Note [Member]        
Convertible Notes Payable [Line Items]        
Contractual rate 10.00% 10.00%    
Principal amount | $ $ 3,370      
Convertible notes payable | ¥   ¥ 18,449