v3.26.1
Income Taxes - Schedule of Reconciliation of Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Schedule Of Reconciliation Of Effective Income Tax Rate Abstract        
PRC Statutory income tax rates, amount ¥ (30,315,688)   ¥ (6,175,509) ¥ (25,118,909)
PRC Statutory income tax rates, percentage 25.00% 25.00% 25.00% 25.00%
Effect of preferential tax rates, amount ¥ 21,448,229   ¥ 667,990 ¥ 323,804
Effect of preferential tax rates, percentage (17.70%) (17.70%) (2.70%) (0.30%)
Effect of non-taxable loss, amount [1]   ¥ (864,477)
Effect of non-taxable loss, percentage [1] 0.90%
Effect of favorable tax rates on small-scale and low-profit entities, amount   ¥ (298,213) ¥ 5,669,481
Effect of favorable tax rates on small-scale and low-profit entities, percentage 1.20% (5.60%)
Change of valuation allowance, amount ¥ 8,867,459   ¥ 5,805,732 ¥ 23,109,677
Change of valuation allowance, percentage (7.30%) (7.30%) (23.50%) (23.00%)
Total income tax expenses, amount ¥ 3,119,576
Provision for income tax, percentage 0.00% 0.00% 0.00% (3.00%)
[1] Non-taxable loss was primarily due to goodwill impairment loss of Beijing P.X.