v3.26.1
Taxation - Schedule of Loss Before Provision for Income Taxes (Details)
¥ in Thousands, $ in Thousands
 10 Months Ended 12 Months Ended
Oct. 31, 2025
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income before income taxes   ¥ 2,270 $ 323 ¥ (187,991) ¥ (82,971)
Total (loss)/income from continuing operations before income taxes   42,535 6,081 (94,272) (3,160)
Total loss from discontinued operations before income taxes ¥ (40,265) (40,265) $ (5,758) (93,719) ¥ (79,811)
Domestic Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income before income taxes   (40,608)   (93,714)  
Foreign Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income before income taxes   42,878   (94,277)  
Continuing Operations [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income from continuing operations before income taxes   42,535   (94,272)  
Continuing Operations [Member] | Domestic Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income from continuing operations before income taxes   (343)    
Continuing Operations [Member] | Foreign Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total (loss)/income from continuing operations before income taxes   ¥ 42,878   (94,272)  
Discontinued Operations [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total loss from discontinued operations before income taxes (40,265)     (93,719)  
Discontinued Operations [Member] | Domestic Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total loss from discontinued operations before income taxes (40,265)     (93,714)  
Discontinued Operations [Member] | Foreign Tax Jurisdiction [Member]          
Schedule of Loss Before Provision for Income Taxes [Line Items]          
Total loss from discontinued operations before income taxes     ¥ (5)