v3.26.3
Parent Only Financial Information - Schedule of Condensed Statements of Loss (Details)
¥ in Thousands, $ in Thousands
 6 Months Ended
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
CNY (¥)
Schedule of Condensed Statements of Loss [Line Items]      
General and administrative expenses ¥ (24,686) $ (3,638) ¥ (73,625)
Total operating expenses (41,216) (6,074) (90,213)
Loss from operations (25,919) (3,819) (71,761)
Other income:      
Gain on short-term investments 421 62 2,917
Loss before income tax (34,117) (5,027) (39,353)
Income tax expense (367) (54) 171
Net loss (34,484) (5,081) (39,182)
Net loss attributable to ordinary shareholders (34,037) $ (5,015) (38,119)
Reportable Legal Entities [Member] | Parent Company [Member]      
Schedule of Condensed Statements of Loss [Line Items]      
General and administrative expenses (14,153)   (37,892)
Total operating expenses (14,153)   (37,892)
Loss from operations (14,153)   (37,892)
Equity loss of subsidiaries and the VIE and VIE’s subsidiaries (21,430)   (4,265)
Other income:      
Interest income, net   59
Gain on short-term investments 1,546   2,916
Loss before income tax (34,037)   (39,182)
Income tax expense  
Net loss (34,037)   (39,182)
Accretion of Redeemable Convertible Preferred Shares  
Deemed dividend to preferred shareholder  
Net loss attributable to ordinary shareholders ¥ (34,037)   ¥ (39,182)