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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 equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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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, after tax, of realized and unrealized gain (loss) from foreign currency transaction.

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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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Summary of Principal Accounting Policies (Details)	12 Months Ended
Summary of Principal Accounting Policies (Details)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jan. 01, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)
Summary of Principal Accounting Policies [Line Items]
Unrealized gains from long term deposits	¥ 7,300,400	$ 1,043,943	¥ 6,411,249	¥ 4,485,000
Long-term bank loans	285,570,000		285,570,000		$ 40,835,967
Accumulated losses	(291,545,545)		(458,337,569)		$ (41,690,458)
Impairment of long-lived assets	20,893,149	2,987,681	12,600,000	40,559,449
Sublease revenue	63,433,911	9,070,929	90,666,129	102,194,590
Hotel manager fees	¥ 113,814,539	$ 16,275,263	121,522,458	134,798,805
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	¥ 25,367,195	$ 3,627,461	22,872,580	24,170,599
Financial subsidies received	14,806,814	2,117,346	8,075,235	13,076,243
foreign currency transaction gain and loss	45,830,117	6,553,620	16,474,064	10,757,354
Expensed incurred for employee benefits	37,292,831	$ 5,332,804	49,181,636	54,737,023
Cash and cash equivalents and restricted cash	¥ 1,678,439,024		¥ 1,525,201,938	¥ 791,600,712	$ 240,013,588	$ 218,100,976		¥ 733,961,731
Percentage of appreciation of functional currencies	4.19%	4.19%	2.81%	2.94%
Cumulative-effect Adjustment [Member]
Summary of Principal Accounting Policies [Line Items]
Accumulated losses							¥ 20,112,051
USD [Member]
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	6.9931				6.9931
Loans Receivable [Member] \| Credit Concentration Risk [Member]
Summary of Principal Accounting Policies [Line Items]
Concentration of credit risk, loans receivable			¥ 460,249,212	¥ 450,846,929	$ 64,470,253
Financial institutions in the PRC [Member]
Summary of Principal Accounting Policies [Line Items]
Cash and cash equivalents and restricted cash	¥ 1,783,979,317		1,682,703,645		255,105,649
Financial institutions outside of the PRC [Member]
Summary of Principal Accounting Policies [Line Items]
Cash and cash equivalents and restricted cash	¥ 180,037,563		¥ 128,078,768		$ 25,745,029
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