v3.26.3
Ordinary Shares - Additional Information (Details) - USD ($)
 6 Months Ended
Jun. 29, 2026
Feb. 02, 2026
Jan. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Jul. 23, 2025
Class of Stock [Line Items]            
Proceeds from issue of shares   $ 0        
Class A Ordinary Shares            
Class of Stock [Line Items]            
Common stock shares represented by each American depositary receipt 40   40      
Par value $ 0.00001   $ 0.00001 $ 0.00001 $ 0.00001  
Shares issued   340,000,000   340,000,000    
Shares issued       2,799,892,915 2,160,310,915 19,582,000
Purchase of ordinary shares   340,000,000   340,000,000    
Authorized share capital, share       4,258,745,553 4,258,745,553  
Shares outstanding       2,459,892,915 2,160,310,915  
Class B Ordinary Shares            
Class of Stock [Line Items]            
Par value       $ 0.00001 $ 0.00001  
Shares issued       741,254,447 741,254,447  
Authorized share capital, share       741,254,447 741,254,447  
Shares outstanding       741,254,447 741,254,447  
American Depositary Shares            
Class of Stock [Line Items]            
Par value   $ 3,400        
Aggregate gross proceeds percentage     3.00%      
Shares issued   8,500,000   8,500,000    
shares sold       0    
Stock available for future issuance       $ 12,800,000    
Sales commission and offering expenses percentage       3.00%    
Proceeds received       $ 0    
Shares issued 7,000,000         489,550
Purchase of ordinary shares   8,500,000   8,500,000    
Purchase price per share $ 0.625          
Gross proceeds $ 4,375,000          
Maximum | American Depositary Shares            
Class of Stock [Line Items]            
Stock offered aggregate maximum amount proposed offering price     $ 12,800,000