v3.26.1
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value ¥ 104,827,145   ¥ 122,132,935
Accumulated amortization (48,423,327)   (46,455,384)
Net carrying value 56,403,818 $ 8,065,639 75,677,551
Da Niang Trademark [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 47,016,001   64,347,001
Accumulated amortization  
Net carrying value 47,016,001 6,723,199 64,347,001
Trademarks [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 21,129,394   21,129,394
Accumulated amortization (13,898,156)   (12,600,294)
Net carrying value 7,231,238 1,034,053 8,529,100
Technology [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 4,200,000   4,200,000
Accumulated amortization (2,730,000)   (2,310,000)
Net carrying value 1,470,000 210,207 1,890,000
Network rights      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value     210,755
Accumulated amortization     (209,550)
Net carrying value     1,205
Purchased software [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 29,305,597   29,279,182
Accumulated amortization (28,983,292)   (28,875,979)
Net carrying value 322,305 46,089 403,203
Reacquired rights [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 2,531,418   2,531,418
Accumulated amortization (2,167,144)   (2,024,376)
Net carrying value 364,274 52,091 507,042
Others [Member]      
Intangible Assets, Net - Schedule of Intangible Assets, Net (Details) [Line Items]      
Gross carrying value 644,735   435,185
Accumulated amortization (644,735)   (435,185)
Net carrying value