v3.26.1
Share capital (Tables)
12 Months Ended
Dec. 31, 2025
Share capital  
Basic and diluted loss per share

  ​ ​ ​

For the year ended

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For the year ended 

  ​ ​ ​

December 31, 2023

December 31, 2024

For the year ended December 31, 2025

Class A

Class B

Class A

Class B

Class A

Class B

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RMB

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

RMB

  ​ ​ ​

US$

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RMB

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US$

Numerator:

Net (loss)/income attributable to common shareholders

 

(48,851)

 

(13,247)

 

(5,545)

 

(1,501)

 

334

 

48

 

89

 

13

Denominator:

Weighted average number of shares used in calculating basic and diluted (loss)/earnings per share

 

62,688,838

 

17,000,189

 

62,802,678

 

17,000,189

 

63,357,628

 

63,357,628

 

17,000,189

 

17,000,189

Basic and diluted (loss)/earnings per share

 

(0.78)

 

(0.78)

 

(0.09)

 

(0.09)

 

0.01

 

0.00

 

0.01

 

0.00