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Related Party Transactions - Summary of Related Party Transactions (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
EaSuMed Holding Ltd. [Member] | Related Party [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Consulting service received from: | ¥ 0 | $ 0 | ¥ 18 | ¥ 201

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