Line of credit facility drew down amount.

No definition available.

Name:	CCG_LineOfCreditFacilityDrewDownAmount
Namespace Prefix:	CCG_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of decrease in debt under credit facility arrangement from principal payment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityAnnualPrincipalPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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

- Definition

The amount of assets, typically cash, provided to suppliers of goods in advance of receipt and acceptance, or services (such as research facilities, lawyers or consultants), which is held by such parties until the entity either effects full payment (including applying the retainer) or obtains release from liability.

+ References

+ Details

Name:	us-gaap_RetainageDeposit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Schedule of Bank Borrowings (Details) (Parenthetical) ¥ in Millions, $ in Millions																					1 Months Ended	12 Months Ended
	Dec. 29, 2025 CNY (¥)	Dec. 08, 2025 CNY (¥)	Nov. 28, 2025 CNY (¥)	Oct. 22, 2025 CNY (¥)	Oct. 14, 2025 CNY (¥)	Jun. 30, 2025 CNY (¥)	Jun. 27, 2025 CNY (¥)	Jun. 19, 2025 CNY (¥)	Jun. 10, 2025 CNY (¥)	May 30, 2025 CNY (¥)	May 08, 2025 CNY (¥)	Jan. 14, 2025 CNY (¥)	Dec. 27, 2024 CNY (¥)	Dec. 25, 2024 CNY (¥)	Nov. 06, 2024 CNY (¥)	Jun. 27, 2024 CNY (¥)	Jun. 20, 2024 CNY (¥)	May 31, 2024 CNY (¥)	May 30, 2024 CNY (¥)	May 24, 2024 CNY (¥)	Oct. 31, 2020 CNY (¥)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 03, 2025 CNY (¥)	Jun. 17, 2025 CNY (¥)
Line of Credit Facility [Line Items]
Line of Credit Facility, Annual Principal Payment	¥ 10.0	¥ 5.0	¥ 5.0		¥ 10.0	¥ 10.0	¥ 5.0		¥ 10.0	¥ 5.0	¥ 20.0			¥ 20.0	¥ 30.0	¥ 10.0	¥ 50.0	¥ 5.0	¥ 5.0	¥ 10.0	¥ 65.0
Line of Credit Facility, Expiration Date	Dec. 20, 2026	Aug. 24, 2026	Aug. 26, 2026		Jun. 26, 2026	Jun. 28, 2026	Jun. 26, 2026				May 08, 2027			Jun. 19, 2026	Nov. 05, 2025	Jun. 06, 2025	Jun. 19, 2026
Drew down amount	¥ 0.7	¥ 5.0	¥ 5.0	¥ 5.0		¥ 10.0		¥ 10.0				¥ 9.9	¥ 10.0		¥ 5.0							¥ 5.0
Loans Payable																								¥ 0.2	¥ 10.0
Deposit pledge \| $																							$ 3.0
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date										May 29, 2026