{"cik":1954694,"taxonomy":"us-gaap","tag":"NetIncomeLoss","label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","entityName":"Lucas GC Ltd","units":{"CNY":[{"start":"2021-01-01","end":"2021-12-31","val":39509000,"accn":"0001493152-24-016957","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-29","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":36142000,"accn":"0001493152-24-016957","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-29"},{"start":"2022-01-01","end":"2022-12-31","val":36142000,"accn":"0001641172-25-001706","fy":2024,"fp":"FY","form":"20-F","filed":"2025-03-31","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":77668000,"accn":"0001493152-24-016957","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-29"},{"start":"2023-01-01","end":"2023-12-31","val":77668000,"accn":"0001641172-25-001706","fy":2024,"fp":"FY","form":"20-F","filed":"2025-03-31"},{"start":"2023-01-01","end":"2023-12-31","val":77668000,"accn":"0001493152-26-018091","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-20","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":39789000,"accn":"0001641172-25-001706","fy":2024,"fp":"FY","form":"20-F","filed":"2025-03-31"},{"start":"2024-01-01","end":"2024-12-31","val":39789000,"accn":"0001493152-26-018091","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-20","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":9782000,"accn":"0001493152-26-018091","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-20","frame":"CY2025"}],"USD":[{"start":"2023-01-01","end":"2023-12-31","val":10941000,"accn":"0001493152-24-016957","fy":2023,"fp":"FY","form":"20-F","filed":"2024-04-29","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":5451000,"accn":"0001641172-25-001706","fy":2024,"fp":"FY","form":"20-F","filed":"2025-03-31","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":1399000,"accn":"0001493152-26-018091","fy":2025,"fp":"FY","form":"20-F","filed":"2026-04-20","frame":"CY2025"}]}}