A free online tool to collect lottery numbers and check draws, with local saving. No installation required.
免费在线工具，本地保存彩票号码（双色球/3D），开奖后粘贴开奖号批量核对命中情况，数据仅存浏览器。
彩民手动记录和核对多注彩票号码容易出错且耗时，该工具提供本地保存和批量核对功能，提升效率并保护隐私。
输入：彩种、号码（双色球7个数字，3D 3个数字）、可选备注、开奖号码。输出：保存的号码列表，每条显示命中情况（双色球显示红/蓝命中数，3D显示直选/组选/未命中）。
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适合经常购买双色球或3D/排列三彩票、需要管理多注号码并核对开奖结果的彩民。
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