v3.26.3
Income/(Loss) per share (Details)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
 6 Months Ended
Jun. 30, 2026
CNY (¥)
¥ / shares
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jun. 30, 2025
CNY (¥)
¥ / shares
shares
Class A Common Shares      
Numerator:      
Net (loss)/income attributable to common shareholders, Basic ¥ 2,309 $ 340 ¥ (2,028)
Net (loss)/income attributable to common shareholders, Diluted ¥ 2,339 $ 345 ¥ (2,028)
Denominator:      
Dilutive share options and restricted share units 3,977,667 3,977,667  
Weighted average number of shares used in calculating basic (loss)/income per share 62,427,953 62,427,953 63,325,008
Weighted average number of shares used in calculating diluted (loss)/income per share 66,405,620 66,405,620 63,325,008
Basic (loss)/income per share | (per share) ¥ 0.04 $ 0.01 ¥ (0.03)
Diluted (loss)/income per share | (per share) ¥ 0.04 $ 0.01 ¥ (0.03)
Class B Common Shares      
Numerator:      
Net (loss)/income attributable to common shareholders, Basic ¥ 628 $ 93 ¥ (545)
Net (loss)/income attributable to common shareholders, Diluted ¥ 598 $ 88 ¥ (545)
Denominator:      
Weighted average number of shares used in calculating basic (loss)/income per share 17,000,189 17,000,189 17,000,189
Weighted average number of shares used in calculating diluted (loss)/income per share 17,000,189 17,000,189 17,000,189
Basic (loss)/income per share | (per share) ¥ 0.04 $ 0.01 ¥ (0.03)
Diluted (loss)/income per share | (per share) 0.04 0.01 (0.03)
ADS      
Denominator:      
Basic (loss)/income per share | (per share) 0.49 0.07 (0.4)
Diluted (loss)/income per share | (per share) ¥ 0.47 $ 0.07 ¥ (0.4)