Summary of Significant Accounting Policies - Schedule of Longduoduo’s Subsidiaries (Details) - 6 months ended Dec. 31, 2025	USD ($)	HKD ($)
Longduoduo Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	Hong Kong
Attributable equity interest %	100.00%
Authorized capital		$ 10,000
LDD Technology Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	British Virgin Islands
Attributable equity interest %	100.00%
Authorized capital	$ 100,000
LDDJK Hong Kong Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	Hong Kong
Attributable equity interest %	100.00%
Authorized capital		$ 10,000
Beijing Julong Health Consulting Co., Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	100.00%
Authorized capital	$ 0
Beijing Yihua Health Consulting Co., Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	100.00%
Authorized capital	$ 0
Longduoduo Health Technology Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	100.00%
Authorized capital	$ 0
Inner Mongolia Qingguo Health Consulting Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	90.00%
Authorized capital	$ 0
Inner Mongolia Rongbin Health Consulting Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	80.00%
Authorized capital	$ 0
Inner Mongolia Chengheng Health Consulting Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	80.00%
Authorized capital	$ 0
Inner Mongolia Tianju Health Consulting Company Limited [Member]
Schedule of Longduoduo’s Subsidiaries [Line Items]
Place of Incorporation	China
Attributable equity interest %	51.00%
Authorized capital	$ 0