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Nature of Business and Organization - Schedule of Consolidated Financial Statements Reflect the Activities of GDC (Details)	9 Months Ended
	Sep. 30, 2025
Citi Profit BVI [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A British Virgin Island company Incorporated in April 2019
Ownership	100.00%
Highlight HK [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A Hong Kong company
Ownership	100.00%
Highlight HK One [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	Incorporated in November 2022
Highlight WFOE [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A PRC limited liability company and deemed a wholly foreign owned enterprise (WFOE)
Ownership	100.00%
Highlight WFOE One [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	Incorporated in January 2023
AI Catalysis [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A Nevada company
Ownership	100.00%
AI Catalysis One [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	Incorporated in May 2023
SH Xianzhui [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A PRC limited liability company
Ownership	73.3333%
SH Xianzhui One [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	Incorporated in August 2023
Pallas [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	A British Virgin Islands company
Ownership	100.00%
Pallas One [Member]
Schedule of Consolidated Financial Statements Reflect the Activities of GDC [Line Items]
Background	Incorporated in June 2025, acquired on September 29, 2025

X

- Definition

Description of business purpose of the subsidiary of the limited liability company or limited partnership, for example, its day-to-day operating functions and whether it acts as a holding or operating company.

+ References

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- 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

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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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