Taxes - Schedule of Movement of Deferred Tax Assets (Details)	6 Months Ended	12 Months Ended
Mar. 31, 2026 USD ($)	Mar. 31, 2026 CNY (¥)	Sep. 30, 2025 CNY (¥)
Deferred tax assets:
Beginning balance	$ 616,049	¥ 4,249,503	¥ 2,722,233
Movement	211,327	(1,457,734)	1,527,270
Ending balance	$ 404,722	¥ 2,791,769	¥ 4,249,503

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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