v3.26.1
Condensed financial information of the parent company - Condensed Balance Sheets (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Current assets:        
Cash and cash equivalents ¥ 167,955 $ 24,017 ¥ 119,171 ¥ 114,521
Restricted Cash 384 55 376 ¥ 486
Prepayments and other current assets 15,306 2,188 14,264  
Total current assets 231,963 33,170 184,615  
Non-current assets:        
Long-term investments 112,609 16,103 113,506  
Other non-current assets 6,165 882 6,510  
Total non-current assets 184,202 26,341 193,418  
Total assets 416,165 59,511 378,033  
Current liabilities:        
Total current liabilities 302,975 43,325 261,633  
Total liabilities 316,740 45,293 278,635  
Shareholders' equity        
Treasury shares (442,915 and 1,415,422 class A common shares as of December 31, 2024 and 2025, respectively) (6,430) (919) (1,674)  
Accumulated deficit (995,292) (142,325) (995,715)  
Accumulated other comprehensive income 18,440 2,637 20,040  
Total shareholders' equity 65,798 9,409 67,922  
Total liabilities and shareholders' equity 416,165 59,511 378,033  
Parent Company        
Current assets:        
Cash and cash equivalents 23,208 3,319 3,291  
Total amounts due from related parties 10,383 1,485 10,592  
Prepayments and other current assets 8,312 1,189 6,893  
Non-current assets:        
Long-term investments 306,164 43,781 304,090  
Other non-current assets 5,016 717 5,130  
Total non-current assets 311,180 44,498 309,220  
Total assets 353,083 50,491 329,996  
Current liabilities:        
Accrued liabilities and other current liabilities 3,633 520 2,342  
Due to the entities within the Group 283,652 40,562 259,732  
Total current liabilities 287,285 41,082 262,074  
Total liabilities 287,285 41,082 262,074  
Shareholders' equity        
Treasury shares (442,915 and 1,415,422 class A common shares as of December 31, 2024 and 2025, respectively) (6,430) (919) (1,674)  
Additional paid in capital 1,049,029 150,009 1,045,221  
Accumulated deficit (995,292) (142,325) (995,715)  
Accumulated other comprehensive income 18,440 2,637 20,040  
Total shareholders' equity 65,798 9,409 67,922  
Total liabilities and shareholders' equity 353,083 50,491 329,996  
Parent Company | Affiliated Entity        
Current assets:        
Total current assets 41,903 5,993 20,776  
Class A Common Shares        
Shareholders' equity        
Common shares 40 5 39  
Class A Common Shares | Parent Company        
Shareholders' equity        
Common shares 40 5 39  
Class B Common Shares        
Shareholders' equity        
Common shares 11 2 11  
Class B Common Shares | Parent Company        
Shareholders' equity        
Common shares ¥ 11 $ 2 ¥ 11