COMBINED AND CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical) ¥ in Thousands	12 Months Ended
Dec. 31, 2024 CNY (¥)
Initial Public Offering ('IPO')
Share issuance upon the initial public offering ("IPO"), issuance costs	¥ 79,138

Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration