{
  "summary": "本文介绍了如何通过JavaScript和LocalStorage实现网页背景特效，包括雪花、樱花和粒子效果，通过设置标志控制是否显示，适用于个性化网页设计。",
  "service": "glm",
  "page_title": "背景特效",
  "timestamp": "2025-07-09T20:00:00.962646",
  "language": "zh"
}