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Income Tax - Schedule of Components of Income Tax Expense (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Current income tax expense      
Total current tax provision ¥ 2,115,015 ¥ 97,241
Total income tax expense 2,115,015 97,241
Chinese Mainland [Member]      
Current income tax expense      
Total current tax provision 2,096,534 97,241
Others [Member]      
Current income tax expense      
Total current tax provision ¥ 18,481