{
  "name": "净算 CleanCalc - 洁净室工程在线计算工具",
  "short_name": "净算",
  "description": "28个洁净室专业计算工具，覆盖洁净度、风量、压差、负荷、设备选型等全流程，依据ISO 14644、GB 50073规范，浏览器打开即用。",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#f0f6ff",
  "theme_color": "#0EA5E9",
  "lang": "zh-CN",
  "dir": "ltr",
  "categories": ["productivity", "utilities", "business"],
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icon-192-maskable.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "maskable"
    },
    {
      "src": "/icon-512-maskable.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    },
    {
      "src": "/icon.svg",
      "sizes": "any",
      "type": "image/svg+xml",
      "purpose": "any"
    }
  ],
  "shortcuts": [
    {
      "name": "换气次数计算",
      "short_name": "换气次数",
      "description": "免费工具：根据洁净度等级和房间体积计算换气次数",
      "url": "/#t1",
      "icons": [{ "src": "/icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "洁净度等级对照",
      "short_name": "洁净度对照",
      "description": "免费工具：ISO 14644 与 GB 50073 洁净度等级对照表",
      "url": "/#t4",
      "icons": [{ "src": "/icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "高效过滤器选型",
      "short_name": "过滤器选型",
      "description": "高级工具：根据风量和效率要求选择高效过滤器规格",
      "url": "/#t2",
      "icons": [{ "src": "/icon-192.png", "sizes": "192x192" }]
    }
  ]
}