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"}