v3.26.1
Summary of Significant Accounting Policies - Additional information (Details)
12 Months Ended
Dec. 31, 2025
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Dec. 31, 2025
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Dec. 31, 2024
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Dec. 31, 2024
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Dec. 31, 2023
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Dec. 31, 2025
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Dec. 31, 2024
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May 31, 2015
CNY (¥)
Summary Of Significant Accounting Policies                
Land use right, term 33 years 33 years            
Allowance for credit loss ¥ 0   ¥ 0   ¥ 0      
Interest income from held-to maturity investments 22,823,764 $ 3,263,755 51,034,427   80,693,057      
Investment income from other short-term investments carried at fair value 862,264,850 123,302,234 315,013,325   77,394,955      
Total notional amount 824,279,618   267,280,381     $ 117,870,418    
loss from decrease in value of excluded component 52,011,906 7,437,604 89,894,630          
Gain from increase in value of excluded component 113,191,365 16,186,150 0          
Derivative collateral right to reclaim cash 824,279,618   267,280,381     117,870,418    
Account receivables 5,351,275   34,275,509     765,222    
Allowance for account receivables, net 236   274,956   205,489 $ 34 $ 39,318  
Impairment loss recognized 0              
Defined contribution plan expensed incurred 18,416,589 2,633,537 19,125,406   14,321,884      
Advertising costs 3,992,262 570,886 53,979   946,664      
Government grants 51,796 7,407 175,519   5,483,308      
VAT incurred ¥ 57,324,548 $ 8,197,301 52,519,936   26,906,439      
Operating segment | segment 1 1            
Number of reportable segments | segment 1 1            
Exchange rate | $ / ¥ 6.9931         6.9931    
Deposits in the licensed banks               ¥ 500,000
Revenues ¥ 40,963,626 $ 5,857,721 ¥ 216,428,374   ¥ 126,338,353      
Concentration of credit risk | Financial assets | China Merchants Bank Company Limited                
Summary Of Significant Accounting Policies                
Concentration risk, percentage 10.00% 10.00% 22.00% 22.00%        
Financial assets ¥ 1,171,000,000   ¥ 1,831,000,000     $ 167,000,000 $ 251,000,000  
Concentration of credit risk | Financial assets | China Zheshang Bank Co., Ltd                
Summary Of Significant Accounting Policies                
Concentration risk, percentage 20.00% 20.00%            
Financial assets ¥ 2,289,000,000         327,000,000    
Concentration of credit risk | Accounts receivable | Customer A                
Summary Of Significant Accounting Policies                
Concentration risk, percentage     26.00% 26.00%        
Revenues | $       $ 9,028,752        
Concentration of credit risk | Accounts receivable | Customer B                
Summary Of Significant Accounting Policies                
Concentration risk, percentage     27.00% 27.00%        
Revenues | $       $ 9,300,571        
Concentration of credit risk | Accounts receivable | Customer C                
Summary Of Significant Accounting Policies                
Concentration risk, percentage     38.00% 38.00%        
Revenues | $       $ 13,291,323        
Customer concentration risk | Revenue benchmark | Customer A                
Summary Of Significant Accounting Policies                
Concentration risk, percentage 24.00% 24.00% 10.00% 10.00%        
Revenues ¥ 9,634,779 $ 1,377,755 ¥ 22,125,951          
Customer concentration risk | Revenue benchmark | Customer B                
Summary Of Significant Accounting Policies                
Concentration risk, percentage 19.00% 19.00% 22.00% 22.00%        
Revenues ¥ 7,872,475 $ 1,125,749 ¥ 47,629,353          
Customer concentration risk | Revenue benchmark | Customer C                
Summary Of Significant Accounting Policies                
Concentration risk, percentage 10.00% 10.00% 39.00% 39.00% 13.00%      
Revenues ¥ 4,261,328 $ 609,362 ¥ 83,463,994   ¥ 16,198,314      
Customer concentration risk | Revenue benchmark | Customer D                
Summary Of Significant Accounting Policies                
Concentration risk, percentage     11.00% 11.00% 36.00%      
Revenues     ¥ 24,452,405   ¥ 45,749,204      
Customer concentration risk | Accounts receivable | Customer A                
Summary Of Significant Accounting Policies                
Account receivables ¥ 5,230,801         747,995    
Concentration risk, percentage 98.00% 98.00%            
Xiamen Youqi Technology Co., Ltd. and other companies                
Summary Of Significant Accounting Policies                
Applicable tax rate 3.00% 3.00%            
Computer software                
Summary Of Significant Accounting Policies                
Research and development costs capitalized ¥ 0              
Minimum                
Summary Of Significant Accounting Policies                
Intangible assets estimated useful lives P1Y P1Y            
Minimum | Other Subsidiaries                
Summary Of Significant Accounting Policies                
Applicable tax rate 6.00% 6.00%            
Maximum                
Summary Of Significant Accounting Policies                
Intangible assets estimated useful lives P10Y P10Y            
Maximum | Other Subsidiaries                
Summary Of Significant Accounting Policies                
Applicable tax rate 13.00% 13.00%            
Swap                
Summary Of Significant Accounting Policies                
Derivative collateral right to reclaim cash ¥ 824,279,618   267,280,381     $ 117,870,418    
CICC, CITIC and GF | Swap                
Summary Of Significant Accounting Policies                
Prepaid for new contracts to be entered into ¥ 369,603,877 $ 52,852,651 ¥ 1,231,094,816