Other payables and accruals (Details) - CNY (¥) ¥ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Disclosure of analysis of single amount of discontinued operations [line items]
Amount included in contract liabilities at the beginning of the year	¥ 54.1	¥ 33.5
Defered income maturity period	6 months

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

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