nano-banana-prompt

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Nano Banana Prompt Engineer

Nano Banana Pro提示词工程

Core Principles

核心原则

Nano Banana Pro excels at:

Photorealistic rendering with accurate textures, lighting, and materials
Identity preservation - maintaining facial features across transformations
Complex compositions - multiple subjects, detailed environments, layered effects
Technical precision - specific camera specs, lighting setups, era aesthetics
Creative experiments - surreal compositions, 3D effects, recursive visuals

Key success factors:

Specificity over brevity - Detailed prompts yield better results
Technical language - Use photography/cinematography terminology
Progressive layering - Build from overall mood → subject details → technical specs
JSON for complexity - Use structured JSON for multi-element scenes
Negative prompts - Explicitly state what to avoid

Nano Banana Pro擅长：

逼真渲染——具备精准的纹理、光线和材质表现
身份保留——在变换过程中保持面部特征不变
复杂构图——支持多主体、细节丰富的环境、分层效果
技术精准性——特定相机参数、灯光设置、年代美学风格
创意实验——超现实构图、3D效果、递归视觉呈现

成功关键要素：

具体性优先于简洁性——详细的提示词能产出更优结果
使用专业术语——采用摄影/电影制作领域的专业词汇
渐进式分层构建——从整体氛围→主体细节→技术参数逐步构建
用JSON处理复杂场景——针对多元素场景使用结构化JSON
使用负面提示词——明确说明需要避免的内容

Prompt Pattern Selection

提示词模式选择

Choose your approach based on the task:

根据任务类型选择合适的方法：

Simple Prompts (Text-Based)

简单提示词（文本型）

When to use: Single subject, straightforward composition, basic style transfer

Pattern:

[Style/mood] + [Subject description] + [Environment] + [Technical specs] + [Quality markers]

Example:

A professional, high-resolution profile photo, maintaining exact facial features of the uploaded image.
Shot from chest up with ample headroom, looking directly at camera. Smart casual blazer in charcoal gray.
Solid neutral studio background (#562226). Bright airy lighting with catchlights in eyes.
85mm f/1.8 lens, shallow depth of field, crisp focus on eyes, soft bokeh.
Clean cinematic color grading with subtle warmth.

适用场景： 单主体、简洁构图、基础风格迁移

模式：

[风格/氛围] + [主体描述] + [环境] + [技术参数] + [质量标记]

示例：

A professional, high-resolution profile photo, maintaining exact facial features of the uploaded image.
Shot from chest up with ample headroom, looking directly at camera. Smart casual blazer in charcoal gray.
Solid neutral studio background (#562226). Bright airy lighting with catchlights in eyes.
85mm f/1.8 lens, shallow depth of field, crisp focus on eyes, soft bokeh.
Clean cinematic color grading with subtle warmth.

Structured JSON Prompts

结构化JSON提示词

When to use: Complex scenes, multiple elements, precise control, era-specific aesthetics

When JSON is essential:

Multiple subjects with different styling
Detailed accessory/wardrobe specifications
Era-specific aesthetics (Y2K, 2000s) with many characteristic elements
Scene compositions requiring precise element placement
Photography setups with specific technical requirements

See JSON Structure Guide for templates.

适用场景： 复杂场景、多元素、精准控制、特定年代美学风格

必须使用JSON的场景：

多主体且各主体风格不同
详细的配饰/服装规格
特定年代美学风格（Y2K、2000年代）包含大量标志性元素
需要精准元素布局的场景构图
带有特定技术要求的摄影设置

查看JSON结构指南获取模板。

Hybrid Approach

混合式方法

When to use: Moderate complexity, some technical precision needed

Combine narrative description with key technical specs in structured sections.

适用场景： 中等复杂度、需要一定技术精准性的任务

将叙事性描述与关键技术参数结合，分为结构化段落。

Identity Preservation

身份保留

When maintaining facial features from a reference image:

Critical phrases:

"Keep the facial features of the person in the uploaded image exactly consistent"
"Preserve original face 100% accurate from reference image"
"maintain the exact facial structure, identity, and key features"
"without changing her original face"

"face": { "preserve_original": true, "reference_match": true }

Additional requirements:

Specify what CAN change (outfit, environment, pose, expression)
Add technical specs to ensure quality (8k, sharp focus, etc.)
Describe the transformation while emphasizing face preservation

Example:

Keep the facial features of the person in the uploaded image exactly consistent.
Dress them in a professional navy blue business suit with white shirt.
Background: Clean solid dark gray studio photography backdrop with subtle gradient.
Photography Style: Sony A7III with 85mm f/1.4 lens, flattering portrait compression.
Lighting: Three-point setup with soft key light, subtle rim light.
Render natural skin texture with visible pores. Ultra-realistic 8k professional headshot.

当需要从参考图中保留面部特征时：

关键表述：

"Keep the facial features of the person in the uploaded image exactly consistent"
"Preserve original face 100% accurate from reference image"
"maintain the exact facial structure, identity, and key features"
"without changing her original face"

"face": { "preserve_original": true, "reference_match": true }

额外要求：

明确说明可以修改的内容（服装、环境、姿势、表情）
添加确保画质的技术参数（8K、清晰对焦等）
在描述变换效果时强调面部保留

示例：

Keep the facial features of the person in the uploaded image exactly consistent.
Dress them in a professional navy blue business suit with white shirt.
Background: Clean solid dark gray studio photography backdrop with subtle gradient.
Photography Style: Sony A7III with 85mm f/1.4 lens, flattering portrait compression.
Lighting: Three-point setup with soft key light, subtle rim light.
Render natural skin texture with visible pores. Ultra-realistic 8k professional headshot.

Technical Specifications

技术规格

Adding precise technical specs dramatically improves output quality.

添加精准的技术参数能显著提升输出质量。

Camera & Lens

相机与镜头

Camera models: Canon EOS R5, Sony A7III, Hasselblad H6D, iPhone 16, Canon IXUS
Lenses: 85mm f/1.4 (portraits), 35mm f/2.8 (environmental), 12-18mm (fisheye), 50mm f/1.8
Settings: Aperture (f/1.4 - f/5.6), ISO (100-400), shutter speed (1/60s - 1/125s)

相机型号： Canon EOS R5、Sony A7III、Hasselblad H6D、iPhone 16、Canon IXUS
镜头： 85mm f/1.4（肖像）、35mm f/2.8（环境）、12-18mm（鱼眼）、50mm f/1.8
设置： 光圈（f/1.4 - f/5.6）、ISO（100-400）、快门速度（1/60s - 1/125s）

Lighting

灯光

Studio: Three-point lighting, soft diffused, ring flash, hard flash
Natural: Golden hour, sunset, harsh midday, window light
Cinematic: Rim light, backlight, volumetric fog, dramatic shadows
Flash: Built-in flash, on-camera flash, blown-out highlights

影棚灯光： 三点布光、柔化漫射光、环形闪光灯、硬光闪光灯
自然光： 黄金时刻、日落、正午强光、窗边光线
电影风格灯光： 轮廓光、逆光、体积雾、戏剧性阴影
闪光灯： 内置闪光灯、机顶闪光灯、高光过曝

Film Stocks & Color

胶卷与色彩

Film: Kodak Portra 400, Kodak Ektar 100, 35mm aesthetic
Color grading: Cinematic, warm nostalgic, high contrast, muted tones
Quality: 8K, 4K, ultra HD, film grain, sharp detail

胶卷： Kodak Portra 400、Kodak Ektar 100、35mm胶片质感
色彩分级： 电影风格、温暖怀旧、高对比度、低饱和度色调
画质： 8K、4K、超高清、胶片颗粒、清晰细节

Depth of Field & Focus

景深与对焦

Shallow DoF for portraits (f/1.4 - f/2.8)
Deep DoF for products/architecture (f/5.6 - f/11)
"Crisp focus on eyes with soft bokeh background"
"Everything in sharp focus, edge to edge"

肖像使用浅景深（f/1.4 - f/2.8）
产品/建筑使用深景深（f/5.6 - f/11）
"Crisp focus on eyes with soft bokeh background"
"Everything in sharp focus, edge to edge"

Pattern Categories

模式分类

Photorealism & Portraits

逼真风格与肖像

Use for: Professional headshots, editorial portraits, realistic scene photography

Key elements:

Identity preservation phrases
Specific camera/lens combinations
Detailed lighting setups
Skin texture rendering ("visible pores," "natural texture")
Environmental context

See Photorealism & Portraits Guide for:

Professional headshot templates
Era-specific aesthetics (2000s mirror selfie, 1990s flash photography)
Victoria's Secret style shoots
Business photo transformations
Film photography aesthetics

适用场景： 专业头像、编辑类肖像、逼真场景摄影

核心元素：

身份保留相关表述
特定相机/镜头组合
详细的灯光设置
皮肤纹理渲染（"visible pores," "natural texture"）
环境背景

查看逼真风格与肖像指南获取：

专业头像模板
特定年代美学风格（2000年代镜面自拍、1990年代闪光灯摄影）
维多利亚的秘密风格拍摄
商务照片变换
胶片摄影美学

Creative Experiments

创意实验

Use for: 3D renders, dioramas, isometric views, surreal compositions, miniatures

Key elements:

Rendering engine specs (Cinema 4D, C4D)
Material descriptions (glossy, matte, PVC-like)
Perspective types (isometric, orthographic, axonometric)
Scale relationships (miniature, toy-sized, oversized)
Surreal physics violations

See Creative Experiments Guide for:

3D chibi/blind box style transformations
Isometric dioramas and miniature worlds
Floating island dioramas
Recursive/Droste effects
Surreal compositions (ironing wrinkles, trans-dimensional liquid pours)
Fisheye and wide-angle distortions

适用场景： 3D渲染、立体模型、等距视图、超现实构图、微缩模型

核心元素：

渲染引擎参数（Cinema 4D、C4D）
材质描述（光泽、哑光、类PVC材质）
视角类型（等距、正交、轴测）
比例关系（微缩、玩具尺寸、超大尺寸）
违背物理规律的超现实效果

查看创意实验指南获取：

3D Q版/盲盒风格变换
等距立体模型与微缩世界
浮空岛立体模型
递归/Droste效果
超现实构图（熨平褶皱、跨维度液体倾倒）
鱼眼与广角畸变

Product & Commercial

产品与商业摄影

Use for: E-commerce shots, product photography, brand imagery, luxury goods

Key elements:

Clean isolation ("pure white background RGB 255,255,255")
Professional lighting ("soft commercial studio lighting")
Material emphasis ("fabric texture," "metallic sheen")
Contact shadows for grounding
Brand integration

See Product & Commercial Guide for:

E-commerce product isolation
Virtual model try-on
Luxury product photography
Magazine cover layouts
3D brand store visualizations

适用场景： 电商拍摄、产品摄影、品牌视觉、奢侈品拍摄

核心元素：

纯净背景隔离（"pure white background RGB 255,255,255"）
专业灯光（"soft commercial studio lighting"）
材质突出（"fabric texture," "metallic sheen"）
接触阴影增强真实感
品牌融入

查看产品与商业摄影指南获取：

电商产品背景隔离
虚拟模特试穿
奢侈品摄影
杂志封面排版
3D品牌门店可视化

Editing & Transformation

编辑与变换

Use for: Aspect ratio changes, background removal, style transfer, outpainting

Key elements:

Preservation specifications
Logical fill instructions
Consistency requirements
Seamless blending

See Editing & Transformation Guide for:

Smart outpainting (composition rescue)
Background removal and replacement
Crowd removal with intelligent fill
Aspect ratio expansion
Style transfer while preserving identity

适用场景： 宽高比调整、背景移除、风格迁移、向外绘制

核心元素：

保留规格说明
合理的填充指令
一致性要求
无缝融合

查看编辑与变换指南获取：

智能向外绘制（构图修复）
背景移除与替换
智能填充移除人群
宽高比扩展
保留身份的风格迁移

Quick Reference Templates

快速参考模板

Professional Portrait

专业肖像

Keep the facial features exactly as in the uploaded image.
Professional [outfit description].
Background: [solid color/environment].
Photography: [Camera] with [lens], [lighting style].
[Technical details: DoF, skin texture, quality markers].

Keep the facial features exactly as in the uploaded image.
Professional [outfit description].
Background: [solid color/environment].
Photography: [Camera] with [lens], [lighting style].
[Technical details: DoF, skin texture, quality markers].

Era-Specific Aesthetic

特定年代美学风格

Use JSON structure. Include:

Period-accurate clothing, accessories, makeup
Era-specific photography style (flash, grain, camera model)
Environmental elements from the era
Nostalgic lighting and color palette

See JSON templates.

使用JSON结构，包含：

符合时代的服装、配饰、妆容
特定年代的摄影风格（闪光灯、胶片颗粒、相机型号）
年代相关的环境元素
怀旧感的灯光与色彩调色

查看JSON模板。

3D/Miniature Effect

3D/微缩效果

Create a [style: isometric/chibi/diorama] 3D render of [subject].
Rendered using [Cinema 4D/C4D], [material specs: glossy/matte/PVC].
[Perspective type: isometric/axonometric].
[Scale: miniature/toy-sized].
Soft studio lighting, [color palette], clean [background color] background.

Create a [style: isometric/chibi/diorama] 3D render of [subject].
Rendered using [Cinema 4D/C4D], [material specs: glossy/matte/PVC].
[Perspective type: isometric/axonometric].
[Scale: miniature/toy-sized].
Soft studio lighting, [color palette], clean [background color] background.

Product Shot

产品拍摄

Professional e-commerce product photography of [product].
Pure white background (RGB 255,255,255) with subtle contact shadow.
Soft commercial studio lighting highlighting [texture/material].
Shot on [camera] with [lens], even illumination, no harsh glare.
Sharp, color-corrected, professional retouching. High resolution.

Professional e-commerce product photography of [product].
Pure white background (RGB 255,255,255) with subtle contact shadow.
Soft commercial studio lighting highlighting [texture/material].
Shot on [camera] with [lens], even illumination, no harsh glare.
Sharp, color-corrected, professional retouching. High resolution.

Advanced Techniques

高级技巧

Multi-Element Scenes

多元素场景

For scenes with multiple subjects or complex interactions, use JSON to specify each element precisely. Structure sections for: subject, accessories, environment, lighting, photography, mood.

对于包含多主体或复杂互动的场景，使用JSON精准定义每个元素。分为以下结构模块：主体、配饰、环境、灯光、摄影、氛围。

Negative Prompts

负面提示词

Always include negative prompts for complex requests:

json

{
  "negative": {
    "content": "multiple characters, wrong gender, messy composition, extreme angles, fisheye",
    "style": "no hyper-saturation, no soft focus filters, no heavy vignetting"
  }
}

复杂请求中务必添加负面提示词：

json

{
  "negative": {
    "content": "multiple characters, wrong gender, messy composition, extreme angles, fisheye",
    "style": "no hyper-saturation, no soft focus filters, no heavy vignetting"
  }
}

Text Integration

文字整合

When including text in images:

Use HEREDOC format for proper rendering
Specify font characteristics (serif/sans-serif, bold/light, size)
Describe text placement and styling
Include text purpose (magazine title, poster headline, labels)

Example:

Glossy magazine cover, large bold words "Nano Banana Pro" in serif font, black on white.
Dynamic portrait in front of text. Issue number and date in corner, barcode, price.

在图像中添加文字时：

使用HEREDOC格式确保正确渲染
指定字体特征（衬线/无衬线、粗体/细体、字号）
描述文字位置与样式
说明文字用途（杂志标题、海报头条、标签）

示例：

Glossy magazine cover, large bold words "Nano Banana Pro" in serif font, black on white.
Dynamic portrait in front of text. Issue number and date in corner, barcode, price.

Consistency Across Variations

多版本图像一致性

For generating multiple related images:

Define "Visual Anchors" (3-6 traits that stay constant)
Specify what changes between shots
Maintain lighting style and color grade
Use same technical specs across all images

生成多张相关图像时：

定义“视觉锚点”（3-6个保持不变的特征）
指定不同版本间的变化内容
保持灯光风格与色彩分级一致
所有图像使用相同技术参数

Common Patterns by Use Case

按使用场景分类的常见模式

Social Media Content:

Viral thumbnail style with exaggerated expressions
Y2K scrapbook collages with multiple poses
Mirror selfies with era-specific aesthetics

Professional/Corporate:

Business headshots with studio lighting
Magazine editorial layouts
Corporate presentation mockups

E-commerce:

Product isolation on white
Virtual try-on with identity preservation
3D brand store visualizations

Creative/Artistic:

Surreal compositions breaking physics
Miniature diorama effects
Recursive/Droste effects
Era-accurate recreations

社交媒体内容：

夸张表情的病毒式缩略图风格
Y2K剪贴簿拼贴，包含多姿势
特定年代美学风格的镜面自拍

专业/企业场景：

影棚灯光的商务头像
杂志编辑排版
企业演示样机

电商场景：

白底产品隔离
保留身份的虚拟试穿
3D品牌门店可视化

创意/艺术场景：

违背物理规律的超现实构图
微缩立体模型效果
递归/Droste效果
符合年代特征的复刻

Resources

资源

This skill includes detailed reference guides:

references/photorealism-portraits.md - Professional portraits, era aesthetics, identity preservation techniques
references/creative-experiments.md - 3D renders, dioramas, isometric views, surreal effects
references/product-commercial.md - Product photography, e-commerce, brand imagery
references/editing-transformation.md - Outpainting, background removal, style transfer
references/json-structure-guide.md - JSON templates for complex prompts

Load these references as needed for detailed templates and examples.

本技能包含详细参考指南：

references/photorealism-portraits.md - 专业肖像、年代美学、身份保留技术
references/creative-experiments.md - 3D渲染、立体模型、等距视图、超现实效果
references/product-commercial.md - 产品摄影、电商、品牌视觉
references/editing-transformation.md - 向外绘制、背景移除、风格迁移
references/json-structure-guide.md - 复杂提示词的JSON模板

按需加载这些参考指南获取详细模板与示例。