Other Liabilities - Schedule of Other Liabilities (Details) - CNY (¥) |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Other Liabilities [Abstract] | ||||||||||||||||||||||
| Guarantee repayments from sales partner | [1] | ¥ 776,084,008 | ¥ 903,573,569 | |||||||||||||||||||
| Guarantee liabilities | [2] | 459,340,708 | 355,474,674 | |||||||||||||||||||
| Settlement and clearing accounts | [3] | 386,209,816 | 222,315,820 | |||||||||||||||||||
| Collaboration cost payable | [4] | 45,940,989 | 54,131,483 | |||||||||||||||||||
| Other tax payable | [5] | 9,419,865 | 49,744,896 | |||||||||||||||||||
| Receipt in advance | [6] | 59,967,940 | 30,613,918 | |||||||||||||||||||
| Customer pledged deposits | [7] | 45,024,448 | 41,857,183 | |||||||||||||||||||
| Amounts due to third parties | [8] | 1,071,279 | 7,252,415 | |||||||||||||||||||
| Accrued expenses | [9] | 1,089,005 | 11,868,417 | |||||||||||||||||||
| Others | [10] | 9,862,835 | 9,622,431 | |||||||||||||||||||
| Total | ¥ 1,794,013,893 | ¥ 1,686,454,806 | ||||||||||||||||||||
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