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Summary of Significant Accounting Policies - Schedule of Disaggregated Revenue from Contracts with Customers (Details)
 6 Months Ended
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
CNY (¥)
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers ¥ 4,957,064   ¥ 10,593,209
Revenue 7,673,997 $ 1,071,249 209,303,030
Subscription revenue [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers 2,916,580   7,637,272
Other services revenue [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers 2,040,484   2,955,937
Revenue from IT related solution services [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Other revenue 2,716,933   198,709,821
Revenue from IT related solution services [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers 2,533,573   197,425,210
Revenue from educational content service [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers 5,095,370   10,593,209
Revenue from IT related solution services [Member]      
Schedule of Disaggregated Revenue from Contracts with Customers [Line Items]      
Revenue from contracts with customers ¥ 45,054   ¥ 1,284,611