Other payables and accruals - Schedule Of Other Payables And Accruals (Parenthetical) (Details) - CNY (¥) ¥ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Disclosure of Other Current Payables and Accruals Current [Line Items]
Contract liabilities	¥ 45,247	¥ 29,384
VIP Membership and Coupon Sales
Disclosure of Other Current Payables and Accruals Current [Line Items]
Contract liabilities	30,527	24,585
Customer Advances
Disclosure of Other Current Payables and Accruals Current [Line Items]
Contract liabilities	13,797	3,869
Others
Disclosure of Other Current Payables and Accruals Current [Line Items]
Contract liabilities	¥ 923	¥ 930

The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 105
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_105&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 116
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_ContractLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant