v3.26.3
Convertible Preferred Shares (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2026
CNY (¥)
Days
¥ / shares
shares
Jun. 30, 2026
USD ($)
Days
shares
Dec. 31, 2025
CNY (¥)
shares
Jun. 30, 2026
USD ($)
$ / shares
Dec. 31, 2025
$ / shares
Dec. 31, 2025
CNY (¥)
shares
Convertible Preferred Shares [Line Items]            
Number of investors subscribe value (in Dollars) | ¥          
Percentage of volume weighted average price 150.00% 150.00%        
Consecutive trading days | Days 5 5        
Number of initial conversion ratio per share issue price (in Dollars per share) | $ / shares       $ 2.05    
Subscription price per share (in Dollars per share) | $ / shares         $ 2.05  
Converted shares 1,297,392 1,297,392        
Series Seed Preferred Shares [Member] | Investor [Member]            
Convertible Preferred Shares [Line Items]            
Number of investors subscribe shares (in Shares)     16,000,000      
Number of investors subscribe value (in Dollars) | ¥     ¥ 230,500,000      
Class A Ordinary Shares [Member]            
Convertible Preferred Shares [Line Items]            
Percentage of volume weighted average price 200.00% 200.00%        
Consecutive trading days 10 10        
Amount of average daily trading volume (in Dollars) | $   $ 5,000,000        
Preferred Stock, Convertible, Conversion Price | ¥ / shares ¥ 3.3          
Converted shares 9,924,598 9,924,598        
Convertible Preferred Stock [Member]            
Convertible Preferred Shares [Line Items]            
Dividend rate per annum 4.50% 4.50%        
Preferred stock value (in Yuan Renminbi)       ¥ 230,544,640
Preferred shares, issued (in Shares)           16,000,000
Converted amount ¥ 230,500,000 $ 34,000,000        
Convertible Preferred Stock [Member] | RMB [Member]            
Convertible Preferred Shares [Line Items]            
Preferred stock value (in Yuan Renminbi) | ¥           ¥ 230,544,640