可爱心脏剖面科普海报

{"type":"children's educational medical infographic poster","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":"publication-quality cute science encyclopedia cutaway illustration for children, warm pastel cream background with hearts, stars, clouds and rounded annotation boxes, glossy 3D cartoon rendering mixed with clean vector labels, high detail, 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 page","colors":"blue right heart and veins for oxygen-poor blood, red left heart and arteries for oxygen-rich blood","details":"transparent cutaway chambers, valves, septum, thick ventricular walls, large red aorta arch, blue pulmonary artery, vena cava tubes, pulmonary veins, white directional arrows showing blood flow, small smiling red blood cell mascots inside 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 handwritten-style characters for 心脏, blue characters for 人体的超级泵, small mascot heart/blood-cell character near title","right_column":{"sections_count":4,"sections":[{"title":"血液循环路线图","position":"top-right","content":"mini schematic with heart, lungs, body icon, red and blue arrows","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":"upper-middle-right","content":"two small cutaway heart diagrams showing valves open and closed","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":"middle-right","content":"layered close-up of heart wall with child doctor mascot","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":"lower-right","content":"ECG line graph and short facts","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":"bottom-left","item_count":2,"items":["蓝色 = 缺氧血（含氧少）","红色 = 富氧血（含氧多）"],"decor":"blood cell mascot looking through a telescope"},{"title":"知识贴士","position":"bottom-center","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":"speech bubble","position":"bottom-right","text":"{argument name=\"doctor speech bubble\" default=\"谢谢你一直认真工作！\"}","decor":"girl doctor character beside a cute mechanical heart pump and smiling red blood cells"}]},"left_annotations":"dotted leader lines from labels to heart structures, short explanatory Chinese text under each label","character_elements_count":5,"character_elements":["small red blood cell mascot near top title","three smiling red blood cell mascots inside the heart chambers and vessels","boy doctor with magnifying glass at bottom-left","girl doctor presenting knowledge tips at bottom-center","mechanical heart pump character at bottom-right"]},"text_rendering":"keep all visible labels in simplified Chinese, crisp and legible, with rounded colored label tags and dashed callout lines","lighting":"soft glossy highlights, clean shadows, high-resolution print-ready composition","avoid":"photorealistic gore, dark medical textbook mood, cluttered illegible microtext, English labels"}