แผนที่โครงสร้างพื้นฐานใต้ดินของมหานคร

{
  "type": "complex urban systems atlas infographic",
  "style": "[dark background with glowing blue, gold, and purple accents], technical cross-section illustration, 3D isometric cutaway",
  "header": {
    "title": "[上海]城市系统剖面 [SHANGHAI] URBAN SYSTEMS ATLAS",
    "subtitles": [
      "地表之上，是城市；地表之下，是秩序 [Beneath the skyline lies the machine.]",
      "一座城市如何运转 How a Megacity Actually Works"
    ]
  },
  "layout": {
    "top_left": "Compass rose and regional locator map labeled '上海市域位置 SHANGHAI LOCATION'",
    "top_right": "Data metric table titled '城市数据 CITY DATA' with 7 statistical rows",
    "centerpiece": {
      "description": "[highly detailed 3D isometric cutaway render] of a megacity river landscape with layered subsurface infrastructure",
      "layers": [
        "地面层 SURFACE",
        "排水层 DRAINAGE LAYER",
        "电力层 POWER LAYER",
        "通信层 COMMUNICATION LAYER",
        "轨道交通层 METRO LAYER",
        "道路隧道层 ROAD TUNNEL LAYER",
        "管廊综合层 UTILITY CORRIDOR LAYER"
      ]
    },
    "side_panels": [
      {
        "id": "01",
        "title": "城市主骨架 URBAN SKELETON",
        "elements": "Structural map diagram with 8 legend entries"
      },
      {
        "id": "02",
        "title": "排水与地下水网 DRAINAGE + STORMWATER",
        "elements": "Technical cross-section diagram '典型排水剖面 DRAINAGE SECTION' with 5 legend callouts"
      },
      {
        "id": "03",
        "title": "电网与能源分配 POWER GRID + ENERGY",
        "elements": "Technical cross-section diagram '典型变电站剖面 SUBSTATION SECTION' with 6 legend callouts"
      },
      {
        "id": "04",
        "title": "通信与网络骨干 TELECOM + INTERNET",
        "elements": "Technical cross-section diagram '数据中心剖面 DATA CENTER SECTION' with 6 legend callouts"
      },
      {
        "id": "05",
        "title": "地铁与地下交通 METRO + SUBSURFACE MOBILITY",
        "elements": "Technical cross-section diagram '人民广场站剖面 PEOPLE'S SQUARE STATION' with 6 legend callouts"
      },
      {
        "id": "06",
        "title": "道路、高架与循环 ROADS + ELEVATED MOBILITY",
        "elements": "Technical cross-section diagram '南浦大桥剖面 NANPU BRIDGE SECTION' with 6 legend callouts"
      },
      {
        "id": "07",
        "title": "管廊与地下设施 UTILITY CORRIDORS + PLUMBING",
        "elements": "Technical cross-section diagram '综合管廊 UTILITY CORRIDOR' with 8 legend callouts"
      },
      {
        "id": "08",
        "title": "城市流量与系统协同 URBAN FLOWS + COORDINATION",
        "elements": "System network map '城市运行指挥中心 CITY OPERATIONS CENTER' with 6 legend callouts"
      }
    ],
    "bottom_panels": {
      "system_logic": {
        "title": "城市系统协同逻辑 SYSTEM COORDINATION LOGIC",
        "steps": 4,
        "labels": [
          "感知层 SENSING LAYER",
          "网络层 NETWORK LAYER",
          "平台层 PLATFORM LAYER",
          "应用层 APPLICATION LAYER"
        ]
      },
      "city_brain": {
        "title": "城市大脑 CITY BRAIN",
        "central_node": 1,
        "peripheral_nodes": 8
      },
      "references": {
        "depth_scale": {
          "title": "深度与尺度 DEPTH & SCALE REFERENCE",
          "icons": 5
        },
        "map_scale": {
          "title": "比例尺 SCALE",
          "markers": 4
        }
      }
    }
  }
}