[
  { "name": "建筑铝材", "desc": "门窗/幕墙/家装",    "image": "/static/index/cube1.jpg" },
  { "name": "工业型材", "desc": "光伏/轨道/汽配",    "image": "/static/index/cube2.jpg" },
  { "name": "特种定制", "desc": "精密开模/特种合金", "image": "/static/index/cube3.jpg" },
  { "name": "深加工",   "desc": "切割/冲压/CNC",     "image": "/static/index/cube4.jpg" }
]