v3.26.1
Prepaid Expenses and Other Current Assets, Net (Details)
12 Months Ended
Sep. 01, 2025
CNY (¥)
Sep. 01, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2022
CNY (¥)
Prepaid Expenses and Other Current Assets, Net [Line Items]                
Prepaid amount               ¥ 3,600,000
Amount of agreed to invest           ¥ 4,500,000    
Percentage of interest of expenses           13.50%    
Loans to expecs     ¥ 4,610,000   ¥ 4,000,000   $ 655,873 ¥ 5,000,000
Purchase consideration ¥ 26,800,000 $ 3,800,000            
Provision for credit losses         576,726 ¥ 3,845,273    
Allowance for credit losses     4,421,999   333,725 8,761,236 629,126  
Collected lease amount     2,049,020 $ 291,518        
Outstanding balance     ¥ 4,663,040       $ 663,419  
Exceeding shareholding percentage     5.00% 5.00%        
Recognized recoveries of credit losses     ¥ 4,656,999 $ 662,560        
Written off     9,824 1,397 ¥ 25,493    
Expecs [Member]                
Prepaid Expenses and Other Current Assets, Net [Line Items]                
Remaining amount interest     ¥ 3,500,000 $ 497,951