{
  "name": "数独 - 集盒",
  "short_name": "数独",
  "description": "为小学生准备的数独：4×4 入门、6×6 进阶、9×9 标准三档难度，每局由程序生成且保证唯一解，支持随时检查、提示一格、换一局，锻炼数字推理与专注力。数据纯本地、不上传。",
  "lang": "zh-CN",
  "dir": "ltr",
  "start_url": "/tool/sudoku",
  "scope": "/",
  "display": "standalone",
  "display_override": [
    "standalone",
    "minimal-ui"
  ],
  "orientation": "portrait",
  "background_color": "#007AFF",
  "theme_color": "#007AFF",
  "categories": [
    "utilities",
    "productivity"
  ],
  "icons": [
    {
      "src": "/icons/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}