{
  "name": "E-COPPER · 有色金属专业平台",
  "short_name": "E-COPPER",
  "id": "/",
  "description": "有色金属每日现货报价、全球金属版图、进口盈亏计算器、混矿计算、金属重量计算器、TC/RC行情",
  "start_url": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#f5f7fa",
  "theme_color": "#b87333",
  "lang": "zh-CN",
  "icons": [
    { "src": "icons/icon-192.png?v=2", "sizes": "192x192", "type": "image/png", "purpose": "any maskable" },
    { "src": "icons/icon-512.png?v=2", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ],
  "categories": ["finance", "business", "utilities"]
}