Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Deferred tax assets:
Tax losses carryforward	¥ 122,740,862	$ 17,551,710	¥ 125,063,028
Allowance for accounts receivables and other current assets	11,621,434	1,661,843	10,863,499
Allowance for non-current other assets	48,076,465	6,874,843	48,076,465
Allowance for loans receivable	96,110,634	13,743,638	85,588,610
Impairment of long-lived assets	17,392,626	2,487,112	13,073,472
Lease liabilities	304,284,522	43,512,108	362,136,225
Deferred revenue	66,114,264	9,454,214	75,722,666
Accrued liabilities	18,826,160	2,692,105	19,542,973
Unrealized losses from equity securities	2,310,404	330,383	1,638,899
Investment in subsidiaries	3,650,000	521,943	2,775,000
Valuation allowance	(167,122,474)	(23,898,195)	(165,327,438)
Total deferred tax assets	524,004,897	74,931,704	579,153,399
Deferred tax liabilities:
Property, plant and equipment	(1,959,639)	(280,225)	(2,219,319)
Right-of-use assets	(280,175,271)	(40,064,531)	(327,572,728)
Intangible assets arising from acquisition	(30,807,513)	(4,405,416)	(47,872,112)
Unrealized gains from equity securities	(4,396,334)	(628,667)	(1,805,008)
Investment in subsidiaries	(25,508,844)	(3,647,716)	(33,595,045)
Total deferred tax liabilities	¥ (342,847,601)	$ (49,026,555)	¥ (413,064,212)

Allowance for loans receivable.

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The amount of deferred tax assets allowance for non current other assets.

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No definition available.

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Investment in subsidiaries.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liability.

+ References

No definition available.

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Deferred tax assets unrealized losses from equity securities.

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No definition available.

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Investment in subsidiaries.

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No definition available.

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The amount of deferred tax liabilities right-of-use assets.

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No definition available.

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Deferred tax liabilities unrealized gains from equity securities.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated impairment losses.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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