Prepaid Expenses and Other Current Assets, Net - Schedule of Allowance of Credit Losses (Details) |
12 Months Ended | |||
|---|---|---|---|---|
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Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Schedule of Allowance of Credit Losses [Abstract] | ||||
| Beginning balance | ¥ 9,307,172 | $ 1,324,148 | ¥ 8,973,447 | |
| Addition | 5,000 | 711 | 592,178 | |
| Reversal | (4,661,999) | (663,271) | (258,453) | |
| Write off | (9,824) | (1,397) | ¥ (25,493) | |
| Ending balance | ¥ 4,640,349 | $ 660,191 | ¥ 9,307,172 | ¥ 8,973,447 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on receivable, classified as other and current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss on financing receivable. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. 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 of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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