v3.26.1
Convertible Redeemable Preferred Shares - Schedule of Preferred Shares Activities (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Schedule of Preferred Shares Activities [Line Items]      
Balances ¥ 1,595,051,558 ¥ 1,499,109,342 ¥ 1,472,641,591
Re-designation     (76,041,096)
Accretion to redemption value of mezzanine equity 73,922,689 95,942,216 102,508,847
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (1,668,974,247)    
Balances ¥ 1,595,051,558 ¥ 1,499,109,342
Series Pre-A Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 2,722,222 2,722,222 2,722,222
Balances ¥ 252,754,571 ¥ 238,996,989 ¥ 224,619,462
Re-designation    
Accretion to redemption value of mezzanine equity ¥ 10,600,104 ¥ 13,757,582 ¥ 14,377,527
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (2,722,222)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (263,354,675)    
Balances (in Shares) 2,722,222 2,722,222
Balances ¥ 252,754,571 ¥ 238,996,989
Series A Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 2,957,613 2,957,613 2,957,613
Balances ¥ 391,730,202 ¥ 369,312,953 ¥ 346,956,953
Re-designation    
Accretion to redemption value of mezzanine equity ¥ 17,272,307 ¥ 22,417,249 ¥ 22,356,000
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (2,957,613)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (409,002,509)    
Balances (in Shares) 2,957,613 2,957,613
Balances ¥ 391,730,202 ¥ 369,312,953
Series B-1 Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 911,178 911,178 911,178
Balances ¥ 91,356,164 ¥ 86,342,465 ¥ 80,027,397
Re-designation    
Accretion to redemption value of mezzanine equity ¥ 3,863,014 ¥ 5,013,699 ¥ 6,315,068
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (911,178)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (95,219,178)    
Balances (in Shares) 911,178 911,178
Balances ¥ 91,356,164 ¥ 86,342,465
Series B-2 Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 2,460,315 2,460,315 2,460,315
Balances ¥ 279,915,069 ¥ 264,372,603 ¥ 248,084,932
Re-designation    
Accretion to redemption value of mezzanine equity ¥ 11,975,342 ¥ 15,542,466 ¥ 16,287,671
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (2,460,315)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (291,890,411)    
Balances (in Shares)   2,460,315 2,460,315
Balances ¥ 279,915,069 ¥ 264,372,603
Series B-3 Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 228,786 228,786 228,786
Balances ¥ 34,673,972 ¥ 32,668,493 ¥ 30,668,493
Re-designation    
Accretion to redemption value of mezzanine equity ¥ 1,545,205 ¥ 2,005,479 ¥ 2,000,000
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (228,786)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (36,219,177)    
Balances (in Shares) 228,786 228,786
Balances ¥ 34,673,972 ¥ 32,668,493
Series B-4 Preferred Shares [Member]      
Schedule of Preferred Shares Activities [Line Items]      
Balances (in Shares) 3,317,114 3,317,114 3,770,112
Balances ¥ 544,621,580 ¥ 507,415,839 ¥ 542,284,354
Re-designation (in Shares)     (452,998)
Re-designation     ¥ (76,041,096)
Accretion to redemption value of mezzanine equity ¥ 28,666,717 ¥ 37,205,741 ¥ 41,172,581
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO (in Shares) (3,317,114)    
Convertible redeemable preferred shares converted into Class A ordinary shares upon the completion of the IPO ¥ (573,288,297)    
Balances (in Shares) 3,317,114 3,317,114
Balances ¥ 544,621,580 ¥ 507,415,839