信息图 / 教育视觉图 - 可爱心脏剖面科普海报

{
  "type": "儿童科普医学信息图海报",
  "topic": "{argument name=\"headline text\" default=\"心脏 人体的超级泵\"}",
  "subtitle": "{argument name=\"subtitle text\" default=\"24 小时不停工作，把血液送到全身！\"}",
  "style": "出版级可爱科学百科剖面插画，适合儿童，暖色调奶油背景，点缀爱心、星星、云朵和圆角注释框，光泽感 3D 卡通渲染结合简洁的矢量标签，细节丰富，解剖结构友好且不恐怖，中文科普海报排版",
  "main_visual": {
    "subject": "人体心脏的大型中心解剖剖面",
    "position": "左中位置，占据页面大部分空间",
    "colors": "右心和静脉为蓝色（代表缺氧血），左心和动脉为红色（代表富氧血）",
    "details": "透明剖面心室、瓣膜、室间隔、厚实的心室壁、红色大动脉弓、蓝色肺动脉、腔静脉管、肺静脉、显示血液流向的白色方向箭头、心室内部的小型红细胞笑脸吉祥物",
    "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": "竖版信息图，4:5 比例",
    "top_header": "红色大号手写体“心脏”，蓝色“人体的超级泵”，标题旁有小型吉祥物心脏/红细胞角色",
    "right_column": {
      "sections_count": 4,
      "sections": [
        {
          "title": "血液循环路线图",
          "position": "右上",
          "content": "包含心脏、肺部、身体图标以及红蓝箭头的迷你示意图",
          "legend_count": 2,
          "legend_labels": [
            "缺氧血",
            "富氧血"
          ],
          "step_count": 4,
          "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": "中上右",
          "content": "两个小型心脏剖面图，展示瓣膜打开和关闭的状态",
          "diagram_count": 2,
          "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": "中右",
          "content": "心脏壁的分层特写，配有儿童医生吉祥物",
          "labels_count": 3,
          "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": "下右",
          "content": "心电图折线图及简短科普知识",
          "facts_count": 2,
          "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": "左下",
          "item_count": 2,
          "items": [
            "蓝色 = 缺氧血（含氧少）",
            "红色 = 富氧血（含氧多）"
          ],
          "decor": "红细胞吉祥物正通过望远镜观察"
        },
        {
          "title": "知识贴士",
          "position": "下中",
          "bullet_count": 5,
          "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": "对话气泡",
          "position": "右下",
          "text": "{argument name=\"doctor speech bubble\" default=\"谢谢你一直认真工作！\"}",
          "decor": "女医生角色站在可爱的机械心脏泵和微笑的红细胞旁边"
        }
      ]
    },
    "left_annotations": "从标签到心脏结构的虚线引导线，每个标签下方有简短的中文解释文字",
    "character_elements_count": 5,
    "character_elements": [
      "顶部标题附近的小型红细胞吉祥物",
      "心脏腔室和血管内的三个微笑红细胞吉祥物",
      "左下角拿着放大镜的男医生",
      "下中位置展示知识贴士的女医生",
      "右下角的机械心脏泵角色"
    ]
  },
  "text_rendering": "所有可见标签均保持简体中文，清晰易读，配有圆角彩色标签框和虚线标注线",
  "lighting": "柔和的光泽高光，干净的阴影，高分辨率印刷级构图",
  "avoid": "写实血腥、阴暗的医学教材风格、杂乱且难以辨认的微小文字、英文标签"
}