Prepaid Expenses and Other Current Assets, Net - Schedule of Prepaid Expenses and Other Current Assets (Details) |
Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
CNY (¥)
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| Schedule of Prepaid Expenses and Other Current Assets [Abstract] | |||||||||||||||
| Deposits | [1] | ¥ 18,937,745 | $ 2,694,307 | ¥ 19,287,912 | |||||||||||
| Loan & interest receivable | [2] | 13,198,674 | 1,877,799 | 4,421,999 | |||||||||||
| Rental receivables | [3] | 6,712,060 | 954,937 | 1,130,000 | |||||||||||
| Advanced to suppliers | [4] | 6,277,408 | 893,098 | 13,824,412 | |||||||||||
| Prepaid VAT and other taxes | 5,369,810 | 763,973 | 3,961,477 | ||||||||||||
| Tax/expenses paid on behalf of clients | 320,009 | 45,528 | 219,635 | ||||||||||||
| Other receivables | [5] | 2,006,200 | 285,426 | 377,511 | |||||||||||
| Total | 52,821,906 | 7,515,068 | 43,222,946 | ||||||||||||
| Allowance for credit losses related to prepaid expenses and other current assets | (4,640,349) | (660,191) | (9,307,172) | $ (1,324,148) | ¥ (8,973,447) | ||||||||||
| Total prepaid expenses and other receivables, net | ¥ 48,181,557 | $ 6,854,877 | ¥ 33,915,774 | ||||||||||||
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