v3.25.4
Trade receivables - Schedule of ECL Allowance (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Within 1 year    
Trade receivables    
Expected loss rate 11.10% 9.60%
Within 1 year | Gross carrying amount [member]    
Trade receivables    
Financial assets ¥ 67,843 ¥ 71,938
Within 1 year | Accumulated impairment [member]    
Trade receivables    
Financial assets ¥ 7,536 ¥ 6,879
1-2 years    
Trade receivables    
Expected loss rate 28.00% 20.80%
1-2 years | Gross carrying amount [member]    
Trade receivables    
Financial assets ¥ 21,615 ¥ 9,994
1-2 years | Accumulated impairment [member]    
Trade receivables    
Financial assets ¥ 6,047 ¥ 2,076
2-3 years    
Trade receivables    
Expected loss rate 49.20% 55.30%
2-3 years | Gross carrying amount [member]    
Trade receivables    
Financial assets ¥ 5,992 ¥ 371
2-3 years | Accumulated impairment [member]    
Trade receivables    
Financial assets ¥ 2,947 ¥ 205
Over 3 years    
Trade receivables    
Expected loss rate 0.00% 0.00%
Over 3 years | Gross carrying amount [member]    
Trade receivables    
Financial assets ¥ 329 ¥ 0
Over 3 years | Accumulated impairment [member]    
Trade receivables    
Financial assets ¥ 329 ¥ 0