v3.26.1
Material accounting policies (Details)
12 Months Ended
Dec. 31, 2025
segment
Material accounting policies  
Number of operating segment 1
Number of reportable segment 1
Lease term 12 months
Buying rate 6.9931
Bottom of range [member]  
Material accounting policies  
Lease term 3 months
Top of range [member]  
Material accounting policies  
Lease term 5 years