实战案例：用AI提示词制作少儿免疫细胞科普动画，从病毒入侵到抗体出动的3分钟绘本风医学启蒙片

你是一位同时懂儿童认知心理与基础免疫学的动画导演。制作3分钟2D绘本风科普动画《免疫细胞卫队大战病毒》，观众5-10岁。

【科学事实铁律（已由儿科医生审核，不得篡改）】
1. 病毒经飞沫进入口鼻黏膜，突破第一道防线皮肤与黏液
2. 中性粒细胞(neutrophil)是最先赶到的巡警，会吞噬细菌病毒、寿命短
3. 巨噬细胞(macrophage)像大块头清洁工，吞噬并拆解病原体
4. 树突状细胞(dendritic cell)像情报员，把抗原情报送给淋巴细胞
5. 辅助T细胞(helper T cell)是指挥官，激活B细胞；B细胞制造抗体(antibody)，抗体是Y形钥匙，锁住病毒使其无法感染细胞
6. 记忆B/T细胞(memory cell)存档，同种病毒再来时快速反应（疫苗原理伏笔）
【角色设定（每镜一致）】
- 中性粒细胞小警：圆胖白色果冻身体，戴藏蓝小警帽，表情憨勇，多触手短手
- 巨噬大叔：更大的淡绿色圆身，围裙，像温和的清洁工
- 树突小信：淡紫色，背后有树枝状触角卷着情报卷轴
- T细胞指挥官：金色圆身戴小肩章，拿指挥旗
- B细胞小炮：蓝色圆身，背后背着Y形软弹发射器
- 病毒反派：圆滚滚紫绿色小毛球，戴歪歪的小帽子，滑稽不吓人，被打败时像泄气球一样变软，禁止獠牙鲜血骷髅
【画风锁死】
children's picture book style 2D animation, soft watercolor and colored pencil texture, rounded shapes, pastel palette, friendly, inspired by educational science illustration for kids
Negative强制：horror, scary monster, fangs, blood, gore, realistic anatomy, 3D render, photoreal, japanese anime style, dark background, needle injection close-up
场景统一：人体内部设计成温暖的粉红色「身体城市」，血管是发光的粉色河道，细胞住圆顶小屋

[Shot1 0-12s 日常城市]
2D children picture book animation, a warm pink "body city" inside a human, glowing soft-pink river-canals (blood vessels) between dome houses, friendly round white cells walking along the banks, watercolor texture, gentle morning light, narrator-friendly composition, slow pan
Audio: soft ukulele, gentle narrator voice 「在我们的身体里，有一座热闹的城市」
Style: pastel watercolor; Negative: realistic blood vessel, red gore, dark, horror

[Shot2 12-30s 病毒进城]
A group of round chubby purple-green virus fluffballs with tiny silly crooked hats sneaking in riding a cartoon droplet-train through a mouth gate, mischievous but goofy expressions, one trips over its own fluff, soft watercolor, playful sneaky music
Audio: tiny tiptoe pizzicato strings, comic boing when one trips
Negative: scary fangs, dripping venom, skull, realistic virus microscope, teeth

[Shot3 30-50s 警报]
The virus fluffballs start poking the dome houses gently (not destroying them), a glowing alarm bell rings over the city, the white cells turn their heads, warm colors still dominant, 2D flat motion
Audio: friendly alarm bell (not siren), narrator 「别怕，免疫卫队出动啦！」
Negative: screaming faces, fire, destruction, apocalypse, red emergency lighting

[Shot4 50s-1m10s 中性粒小警]
The chubby white jelly neutrophil cop with navy police cap waddles up bravely, stretches short pseudopod arms, and engulfs two virus fluffballs in one big soft gulp, tummy comically bulges, virus hat pops comically out the top then deflates like a balloon, other cells cheer, same character design every shot
Audio: cartoon gulp, pop sound, cheerful march
Negative: digestion gore, melting virus screaming, character redesign, extra arms, scary

[Shot5 1m10-1m35 巨噬大叔]
The big soft light-green macrophage janitor with apron gently sweeps up debris and engulfs a whole cluster of fluffballs calmly like taking out trash, fatherly warm smile, watercolor pink canal background
Audio: broom swish, warm tuba comically
Negative: menacing monster, teeth, dark sludge, blood

[Shot6 1m35-1m55 树突小信送情报]
The light-purple dendritic cell with branch-like antennae rolls up a small scroll showing a drawing of the virus fluffball, then runs along the canal path toward a golden headquarters dome, motion lines in picture-book style
Audio: fast pizzicato, paper scroll sound
Negative: realistic dendrite electricity, horror, complex text on scroll (only simple drawing)

[Shot7 1m55-2m20 T指挥官与B小炮]
The golden T-cell commander with small epaulettes waves a command flag, the blue B-cell cannon trooper fires soft Y-shaped foam darts (antibodies), the Y darts gently lock onto the fluffballs like puzzle keys so they cannot move, virus looks silly and cross-eyed stuck in foam, bright cheerful scene
Audio: spring boing darts, commander whistle, triumphant melody
Negative: real missiles, explosion, laser, war weapons, injured characters, tears

[Shot8 2m20-2m45 记忆细胞存档]
After the battle, a calm memory cell archivist wearing tiny glasses places a scroll with the virus fluffball drawing onto a glowing library shelf labeled with a simple key icon (no text), narrator explains that next time the same virus comes, the city will recognize it instantly, cozy library inside the body city, warm light
Audio: gentle music box, narrator 「这就是为什么打过疫苗或得过一次病，身体会记得它」
Negative: text paragraphs, scary virus return scene, dark, cemetery imagery

[Shot9 2m45-3m 欢托收尾]
Wide shot, all cell characters waving together on the canal bank, sun shining through soft clouds over the pink body city, confetti flower petals, picture-book illustration, gentle fade, bottom safe area for end card added in post
Audio: full ensemble warm outro, narrator 「好好洗手、好好睡觉，就是在帮卫队加油哦！」
Post: 片尾「本动画经儿科医生审核」与机构logo后期合成
Negative: text rendered in image, brand mascot confusion, 3D

1. 旁白：温柔女声，语速比成人科普慢30%，每句话不超过15字，专业词后必须跟一句大白话（如「抗体，就像一把把小钥匙」）
2. 音效：全部软质感（吞咽、弹簧、铃铛、纸卷），禁用枪声爆炸声
3. 科学审校清单（给医生勾）：防线顺序、四类细胞分工、抗体Y形结合机制、记忆细胞与疫苗关系、无「杀死病毒」式过度拟人暴力
4. 儿童心理审校：无黑暗场景超过3秒、反派无面部恐怖特写、冲突后必须有安抚性画面与音乐
5. 一致性逐镜过：五个角色颜色/配饰/体型、粉色河道城、圆顶小屋全片统一
6. 版本：3分钟正片；60秒「抗体Y钥匙」单集短片；9:16竖版病毒进城片段；课件版（无旁白字幕版供老师讲解）