[
  { "id": "pr1", "title": "企业团购", "image": "/promos/promo-1.svg", "href": "/enterprise" },
  { "id": "pr2", "title": "以旧换新", "image": "/promos/promo-2.svg", "href": "/recycle" },
  { "id": "pr3", "title": "学生专享", "image": "/promos/promo-3.svg", "href": "/student" }
]