v3.26.1
Investments - Schedule of Short-Term and Long-Term Debt Securities (Details) - Available-for-sale debt securities of Yibon [Member] - CNY (¥)
Dec. 31, 2025
Dec. 31, 2024
Schedule of Available-for-Sale Debt Securities [Line Items]    
Amortized cost ¥ 103,701,474 ¥ 103,701,474
Gross unrecognized holding gains
Gross unrecognized gains
Gross unrealized gains 2,797,663 2,797,663
Gross unrealized losses (2,789,865) (2,789,865)
Fair value ¥ 103,709,272 ¥ 103,709,272