v3.26.3
Parent Only Financial Information - Schedule of Condensed Statements of Cash Flows (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 Cash Flows [Line Items]      
Net cash used in operating activities ¥ (36,674) $ (5,405) ¥ (21,235)
Cash flows from investing activities      
Investment in short-term investments (4,757) (701) (64,194)
Net cash (used in)/provided by investing activities 20,449 3,014 (70,684)
Cash flows from financing activities      
Proceeds from issuance of convertible promissory note, net of issuance costs 42,278
Net cash provided by financing activities 150 22 46,318
Effect of exchange rate changes on cash and cash equivalents 1,176 173 482
Net decrease in cash, cash equivalents and restricted cash (14,899) (2,196) (45,119)
Cash, cash equivalents and restricted cash at the beginning of the period 32,659 4,813 89,484
Cash, cash equivalents and restricted cash at the end of the period 17,760 $ 2,617 44,365
Reportable Legal Entities [Member] | Parent Company [Member]      
Schedule of Condensed Statements of Cash Flows [Line Items]      
Net cash used in operating activities (24,285)   (37,386)
Cash flows from investing activities      
Investments in and amounts due from subsidiaries, the VIE and VIE’s subsidiaries 17,087   (249)
Investment in short-term investments (1,546)   (41,685)
Proceeds from redemption of short-term investments 17,653   11,532
Net cash (used in)/provided by investing activities 33,194   (30,402)
Cash flows from financing activities      
Proceeds from issuance of ordinary shares, net of issuance costs 162  
Proceeds from issuance of convertible promissory note, net of issuance costs   42,278
Transaction with non-controlling interests (305)  
Net cash provided by financing activities (143)   42,278
Effect of exchange rate changes on cash and cash equivalents (8,605)   (42)
Net decrease in cash, cash equivalents and restricted cash 161   (25,552)
Cash, cash equivalents and restricted cash at the beginning of the period 1,693   29,762
Cash, cash equivalents and restricted cash at the end of the period ¥ 1,854   ¥ 4,210