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Financial Risk Management Objectives and Policies - Foreign Currency Exchange Rate Risk Sensitivity Analysis Assuming 10% Strengthening of Major Currencies against Functional Currency (Detail) - Foreign currency risk [Member] ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
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Singapore dollar [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 12,601 | $ 1,757 | ¥ 14,964
Euro [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | 769 | 107 | 533
USD [Member] |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Effect on profit before tax | ¥ 6,905 | $ 963 | ¥ 493

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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