Condensed Financial Information of the Parent Company - Schedule of Condensed Statements of Operations and Comprehensive Loss (Details) - Parent Company [Member] |
12 Months Ended | |||
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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| Operating costs and expenses: | ||||
| Selling, general and administrative | ¥ (49,347,867) | $ (7,056,651) | ¥ (377,756) | |
| Operating loss | ||||
| Equity loss in subsidiaries, VIEs and VIEs’ subsidiaries | (81,582,534) | (11,666,147) | (37,013,556) | (36,950,478) |
| Net loss | (130,930,401) | (18,722,798) | (37,391,312) | (36,950,478) |
| Accretion to redemption value of mezzanine equities | (81,648,716) | (11,675,611) | (105,969,614) | (108,440,354) |
| Net loss attributable to ordinary shareholders | (212,579,117) | (30,398,409) | (143,360,926) | (145,390,832) |
| Other comprehensive income | ||||
| Foreign currency translation adjustments | (1,747,229) | (249,850) | (5,231) | |
| Total other comprehensive loss | (1,747,229) | (249,850) | (5,231) | |
| Total Comprehensive loss | ¥ (214,326,346) | $ (30,648,259) | ¥ (143,366,157) | ¥ (145,390,832) |
| X | ||||||||||
- References No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of income (loss) of subsidiary attributable to the parent entity. No definition available.
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| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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