{
  "name": "Niumabox 牛马工具箱 — 外贸单据生成器",
  "short_name": "牛马工具箱",
  "description": "外贸人专用：PI / CI / 装箱单在线生成，电子印章、装柜计算、报价计算。",
  "start_url": "/?from=pwa",
  "scope": "/",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#1E3A5F",
  "theme_color": "#1E3A5F",
  "lang": "zh-CN",
  "categories": ["business", "productivity", "utilities"],
  "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-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}