โปสเตอร์อินโฟกราฟิกกายวิภาคหัวใจเพื่อการศึกษาสำหรับเด็ก

{
  "type": "children's educational medical infographic poster",
  "topic": "[心脏 人体的超级泵]",
  "subtitle": "[24小时不停工作，把血液送到全身！]",
  "style": "publication-quality cute science encyclopedia cutaway illustration for children, warm pastel cream background with floating hearts, stars, clouds, and rounded annotation boxes, glossy 3D cartoon rendering mixed with clean vector labels, friendly and non-scary anatomy, Chinese educational poster typography",
  "main_visual": {
    "subject": "large central anatomical cross-section of a human heart",
    "position": "center-left, occupying most of the poster canvas",
    "colors": "blue right heart and veins for oxygen-poor blood, red left heart and arteries for oxygen-rich blood",
    "details": "transparent cutaway chambers, cardiac valves, septum, thick muscular ventricular walls, red aortic arch, blue pulmonary artery, vena cava tubes, pulmonary veins, directional white arrows indicating blood circulation, smiling miniature red blood cell mascots navigating chambers",
    "main_labels_count": 12,
    "main_labels": [
      "上腔静脉",
      "肺动脉",
      "右心房",
      "三尖瓣",
      "右心室",
      "下腔静脉",
      "主动脉",
      "肺静脉",
      "左心房",
      "二尖瓣",
      "左心室",
      "室间隔"
    ]
  },
  "layout": {
    "format": "vertical portrait infographic, 4:5 aspect ratio",
    "top_header": "large red bold handwritten-style characters for '心脏', blue characters for '人体的超级泵', cute mascot blood cell next to title",
    "right_column": {
      "sections_count": 4,
      "sections": [
        {
          "title": "血液循环路线图",
          "position": "top-right",
          "content": "mini schematic diagram connecting heart, lungs, and body icon with blue and red flow arrows",
          "legend_labels": [
            "缺氧血",
            "富氧血"
          ],
          "step_labels": [
            "1 缺氧血从全身回到心脏",
            "2 送往肺部交换气体",
            "3 富氧血从肺部到心脏",
            "4 泵送到全身各处"
          ]
        },
        {
          "title": "1 瓣膜开合",
          "position": "upper-middle-right",
          "content": "two small cutaway diagrams depicting cardiac valves open versus closed",
          "labels": [
            "瓣膜打开 血液流入心室",
            "瓣膜关闭 防止血液倒流"
          ]
        },
        {
          "title": "2 心肌层结构",
          "position": "middle-right",
          "content": "layered cross-section detail of heart wall with a cute chibi doctor mascot",
          "labels": [
            "心内膜",
            "心肌层（厚实有力）",
            "心外膜"
          ],
          "caption": "心肌像强壮的肌肉，收缩时推动血液！"
        },
        {
          "title": "3 心跳节律",
          "position": "lower-right",
          "content": "ECG waveform graphic with short educational facts",
          "facts": [
            "正常成年人心率：60~100次/分",
            "运动时心跳会加快，给身体更多能量！"
          ]
        }
      ]
    },
    "bottom_area": {
      "sections_count": 3,
      "sections": [
        {
          "title": "颜色小贴士",
          "position": "bottom-left",
          "items": [
            "蓝色 = 缺氧血（含氧少）",
            "红色 = 富氧血（含氧多）"
          ],
          "decor": "smiling red blood cell mascot peering through a telescope"
        },
        {
          "title": "知识贴士",
          "position": "bottom-center",
          "bullets": [
            "心脏像一台不停工作的泵。",
            "左心室肌肉最厚，能把血液送得更远。",
            "瓣膜像小门，只让血液向一个方向流动。",
            "一次心跳（心脏收缩 + 舒张）会推动血液前进。",
            "好习惯让心脏更健康：运动、睡眠、少熬夜！"
          ]
        },
        {
          "title": "speech bubble",
          "position": "bottom-right",
          "text": "[谢谢你一直认真工作！]",
          "decor": "friendly girl doctor character standing beside a cute mechanical heart pump with cheerful blood cell figures"
        }
      ]
    },
    "left_annotations": "dashed leader lines connecting labels to anatomical heart sections, short explanatory simplified Chinese text under each label",
    "character_elements": [
      "small red blood cell mascot near top title",
      "three cheerful red blood cell characters inside heart chambers",
      "little boy doctor with magnifying glass at bottom-left",
      "little girl doctor explaining tips at bottom-center",
      "kawaii mechanical heart pump character at bottom-right"
    ]
  },
  "text_rendering": "all text rendered strictly in legible simplified Chinese characters, crisp typography with rounded colorful tags and clean callout lines",
  "lighting": "bright soft lighting with gentle glossy 3D highlights and clean shadows",
  "avoid": "gore, dark medical horror, illegible text, English text"
}