on
{
  "name": "ChatGPT 下载中心",
  "short_name": "ChatGPT下载",
  "description": "官方正版 ChatGPT 客户端下载，iOS / Android / 桌面端全覆盖。",
  "start_url": "index.html",
  "display": "standalone",
  "background_color": "#f8fafc",
  "theme_color": "#6366f1",
  "orientation": "portrait",
  "icons": [
    {
      "src": "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect width='512' height='512' rx='80' fill='%236366f1'/%3E%3Cpath d='M160 200c0-44.2 35.8-80 80-80h32c44.2 0 80 35.8 80 80v112c0 44.2-35.8 80-80 80h-32c-44.2 0-80-35.8-80-80V200z' fill='white'/%3E%3Ccircle cx='256' cy='256' r='48' fill='%236366f1'/%3E%3C/svg%3E",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ]
}