{
  "name": "在线工具大全",
  "short_name": "在线工具",
  "description": "免费实用的在线计算器工具集合，包括 BMI、年龄、房贷、日期、小费、折扣计算器，以及加密解密、PDF 处理、开发者工具等",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#f8f9fa",
  "theme_color": "#3498db",
  "orientation": "portrait-primary",
  "icons": [
    {
      "src": "/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ],
  "categories": ["utilities", "productivity"],
  "screenshots": [
    {
      "src": "/screenshot-wide.png",
      "sizes": "1280x720",
      "type": "image/png",
      "form_factor": "wide"
    },
    {
      "src": "/screenshot-narrow.png",
      "sizes": "720x1280",
      "type": "image/png",
      "form_factor": "narrow"
    }
  ],
  "shortcuts": [
    {
      "name": "BMI 计算器",
      "short_name": "BMI",
      "description": "快速计算身体质量指数",
      "url": "/tools/bmi",
      "icons": [{ "src": "/icon-bmi.png", "sizes": "96x96" }]
    },
    {
      "name": "年龄计算器",
      "short_name": "年龄",
      "description": "精确计算年龄",
      "url": "/tools/age",
      "icons": [{ "src": "/icon-age.png", "sizes": "96x96" }]
    },
    {
      "name": "房贷计算器",
      "short_name": "房贷",
      "description": "计算月供和利息",
      "url": "/tools/mortgage",
      "icons": [{ "src": "/icon-mortgage.png", "sizes": "96x96" }]
    }
  ]
}