v3.26.1
Segment Reporting - Schedule of Revenues Disaggregated by Segment (Details)
 12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Revenue:        
Total revenue ¥ 1,097,353,393 $ 156,919,448 ¥ 1,343,440,196 ¥ 1,627,257,689
Operating Segments [Member]        
Revenue:        
Total revenue 1,097,353,393 156,919,448 1,343,440,196 1,627,257,689
Intersegment Eliminations [Member]        
Revenue:        
Total revenue [1] (1,243,984) (177,886) (1,707,841) (6,284,350)
Hotel business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 912,348,421 130,464,088 1,066,710,224 1,191,906,073
Restaurant business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 186,248,956 26,633,246 278,437,813 441,635,966
Leased-and-operated hotels [Member] | Hotel business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 381,361,912 54,534,028 437,521,898 490,924,060
Franchised-and-managed hotels [Member]        
Revenue:        
Total revenue 534,451,868 76,425,600 635,360,312 705,244,948
Franchised-and-managed hotels [Member] | Hotel business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 528,472,018 75,570,493 625,072,856 696,321,236
Wholesale and others [Member]        
Revenue:        
Total revenue 74,727,172 10,685,843 111,439,245 134,198,399
Wholesale and others [Member] | Hotel business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 2,514,491 359,567 4,115,470 4,660,777
Wholesale and others [Member] | Restaurant business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 73,456,665 10,504,163 109,031,616 135,821,972
Leased-and-operated restaurants [Member] | Restaurant business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue 106,812,441 15,273,976 159,118,741 296,890,282
Franchised-and-managed restaurants [Member] | Restaurant business [Member] | Operating Segments [Member]        
Revenue:        
Total revenue ¥ 5,979,850 $ 855,107 ¥ 10,287,456 ¥ 8,923,712
[1] The inter segment eliminations mainly consist of labor services related to restaurant staff and prepared meals and frozen foods provided by restaurant business segment to hotel business segment.