Long-term Investments, Net - Summary of Long-term Investments (Details) ¥ in Thousands, $ in Thousands	Feb. 28, 2026 CNY (¥)	Feb. 28, 2026 USD ($)	Feb. 28, 2025 CNY (¥)
Schedule Of Equity Method Investments [Line Items]
Equity method investments	¥ 45,000	$ 6,562	¥ 36,000
Nanjing Chengwei Venture Capital Partnership (Limited Partnership) ("Chengwei")
Schedule Of Equity Method Investments [Line Items]
Equity method investments	¥ 45,000	$ 6,562	¥ 36,000

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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.

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