Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Name:	us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair Value Measurement - Schedule of Warrant Liability at Fair Value (Details) ¥ in Thousands, $ in Thousands	Jun. 30, 2026 USD ($)	Jun. 30, 2026 CNY (¥)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2024 CNY (¥)
Schedule of Warrant Liability at Fair Value [Line Items]
Warrant liability	$ 2,294	¥ 15,558	¥ 24,377
Level 1 Inputs [Member]
Schedule of Warrant Liability at Fair Value [Line Items]
Warrant liability
Level 2 Inputs [Member]
Schedule of Warrant Liability at Fair Value [Line Items]
Warrant liability
Level 3 Inputs [Member]
Schedule of Warrant Liability at Fair Value [Line Items]
Warrant liability		¥ 15,558	¥ 24,377	¥ 68,556