The value-added tax rate on accommodation services.

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Hotel manager fees revenue.

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Long-term time deposits, unrealized gain (loss).

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Membership program of renewal period.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of loan receivable subject to concentration of credit or market risk or both.

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Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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Amount of long-term loans classified as other, payable within one year or the operating cycle, if longer.

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Amount of accumulated undistributed earnings (deficit).

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Summary of Principal Accounting Policies (Details)	12 Months Ended
Summary of Principal Accounting Policies (Details)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 01, 2023 CNY (¥)	Dec. 31, 2021 CNY (¥)
Summary of Principal Accounting Policies [Line Items]
Unrealized gains from long term deposits	¥ 6,411,249	$ 878,338	¥ 4,485,000	¥ 4,534,833
Long-term bank loans	285,570,000		63,340,000		$ 39,122,930
Accumulated losses	(458,337,569)		(568,339,799)		$ (62,791,989)
Impairment of long-lived assets	12,600,000	1,726,193	40,559,449	53,244,063
Impairment losses	39,072,000	5,352,842	16,027,000	30,892,345
Sublease revenue	90,666,129	12,421,209	102,194,590	61,578,703
Hotel manager fees	¥ 121,522,458	$ 16,648,509	134,798,805	115,738,098
Number of tiers membership	4	4
Membership expiration term	2 years	2 years
Membership program of renewal period	2 years	2 years
Membership duration	5 years	5 years
Accommodation services, value-added tax rate	6.00%				6.00%
Catering services, value-added tax rate	13.00%				13.00%
Marketing and advertising expenses	¥ 22,872,580	$ 3,133,531	24,170,599	35,872,725
Financial subsidies received	8,075,235	1,106,303	13,076,243	11,466,168
Expensed incurred for employee benefits	49,181,636	$ 6,737,857	54,737,023	63,954,002
Cash and cash equivalents and restricted cash	¥ 1,525,201,938		¥ 791,600,712	¥ 733,961,731	$ 208,951,809	$ 108,448,853		¥ 353,122,593
Percentage of appreciation of functional currencies	2.81%	2.81%	2.94%	8.23%
Level 3 [Member]
Summary of Principal Accounting Policies [Line Items]
Impairment losses	¥ 12,600,000	$ 1,726,193	¥ 40,559,449	¥ 48,306,360
Minimum [Member]
Summary of Principal Accounting Policies [Line Items]
Debt instrument term	1 year	1 year
Membership duration	3 years	3 years
Leases operating Term	5 years				5 years
Maximum [Member]
Summary of Principal Accounting Policies [Line Items]
Debt instrument term	3 years	3 years
Leases operating Term	20 years				20 years
Loans Receivable [Member] \| Credit Concentration Risk [Member]
Summary of Principal Accounting Policies [Line Items]
Concentration of credit risk, loans receivable	¥ 460,249,212		533,195,219		$ 63,053,884
Financial institutions in the PRC [Member]
Summary of Principal Accounting Policies [Line Items]
Cash and cash equivalents and restricted cash	1,682,703,645		1,120,364,700		230,529,454
Financial institutions outside of the PRC [Member]
Summary of Principal Accounting Policies [Line Items]
Cash and cash equivalents and restricted cash	128,078,768		152,287,629		$ 17,546,719
Hotel Business [Member]
Summary of Principal Accounting Policies [Line Items]
Impairment losses				¥ 4,937,703
United States of America, Dollars
Summary of Principal Accounting Policies [Line Items]
Foreign currency exchange translation rate	1				1
RMB [Member]
Summary of Principal Accounting Policies [Line Items]
Foreign currency exchange translation rate	7.2993				7.2993
Cumulative-effect Adjustment [Member]
Summary of Principal Accounting Policies [Line Items]
Accumulated losses							¥ 20,112,051