Principal Accounting Policies - Schedule of Contract Liabilities (Details) - CNY (¥) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Schedule of Contract Liabilities [Abstract] | ||
| Balance at beginning of the year | ¥ 5,595,491 | ¥ 6,513,072 |
| Receipts during the year | 21,036,220 | 21,467,951 |
| Revenue recognized | (18,835,483) | (22,385,532) |
| Balance at end of the year | ¥ 7,796,228 | ¥ 5,595,491 |
| X | ||||||||||
- Definition Amount of revenue recognized previously reported as deferred income not accounted for under Topic 606. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount of liabilities as of the balance sheet date pertaining to amounts received by the insurer or reinsurer from the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Cash receipts from customers during the current period which are usually for sales of goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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