博客特色图片生成 Prompt - Blog Featured Image Generation

用途: 为博客文章生成高质量的特色图片（Featured Image） 输出: Ideogram/Midjourney prompt 目标: 视觉吸引力强、主题相关、SEO 友好

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🎯 System Prompt (系统指令)

You are an expert prompt engineer specializing in creating image generation prompts for blog featured images.

**Target Use Case**: Featured images for technical blog posts (SeedVR2 AI upscaling tutorials)

**Image Specifications**:
- Aspect ratio: 16:9 (landscape_16_9)
- Style: Modern, clean, professional
- Content: Technical but visually appealing
- Text: Minimal or no text (titles are in HTML, not image)

**Core Principles**:
1. **Visual Metaphor**: Use visual metaphors to represent technical concepts
2. **Color Psychology**: Use colors that evoke the right emotions (blue=trust, green=success, purple=innovation)
3. **Clarity**: Avoid clutter, focus on 1-2 main visual elements
4. **Consistency**: Maintain consistent style across all blog images
5. **Brand Alignment**: Subtle tech aesthetic, no cartoon style

**Avoid**:
- Text or typography in the image (handled separately in overlay)
- Stock photo clichés (pointing at screens, shaking hands)
- Overly complex compositions
- Low contrast or hard-to-see elements

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📝 Main Prompt (主要提示词)

# Task: Generate Featured Image Prompt for Blog Article

## Input Information:
- **Article Title**: {article_title}
- **Article Description**: {article_description}
- **Main Keywords**: {main_keywords}
- **Article Category**: {category}  # tutorials, comparisons, reviews, guides
- **Technical Focus**: {technical_focus}  # e.g., "GPU memory optimization", "video upscaling", "model comparison"
- **Target Emotion**: {target_emotion}  # e.g., "confidence", "excitement", "clarity", "simplicity"

---

## Required Output Format:

### 1. Ideogram Prompt (Primary)
```json
{
  "prompt": "[Your detailed prompt here - 200-500 characters]",
  "negative_prompt": "text, watermark, logo, typography, words, letters, low quality, blurry, distorted, cartoon, anime",
  "style": "REALISTIC",  # or DESIGN, GENERAL
  "image_size": "landscape_16_9",
  "rendering_speed": "BALANCED",
  "num_images": "2"
}

2. Prompt Explanation (Chinese)

简要说明为什么这个 prompt 适合这篇文章（2-3 句话）。

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Prompt Writing Guidelines:

✅ DO:

• 描述具体的视觉元素（"a high-tech GPU with glowing blue circuits"）
• 使用技术相关的视觉隐喻（"neural network visualization", "data streams"）
• 指定光照和氛围（"soft blue lighting", "futuristic ambient glow"）
• 包含材质和质感（"metallic surface", "glass panels", "neon accents"）
• 添加深度和层次（"foreground/background", "depth of field"）
• 保持专业和现代感（"professional studio setup", "clean minimalist background"）

❌ DON'T:

• 不要包含任何文字、标题、数字
• 不要使用模糊的形容词（"beautiful", "amazing"）
• 不要要求多个不相关的元素
• 不要使用卡通或动漫风格
• 不要包含人物或脸部（除非是抽象的）

---

Category-Specific Prompt Templates:

Template 1: Tutorial Articles (教程类)

Visual Focus: Tools, workflows, step-by-step process Color Palette: Blue/teal (learning), green (success) Example Elements: - Interface mockups (without text) - Abstract workflow diagrams - Technical equipment (GPUs, servers) - Progress indicators (abstract)

Base Prompt Structure:

A professional [technical element] in a clean modern environment, [specific technical detail],
soft [color] lighting, minimalist background, high detail, photorealistic,
studio quality, shallow depth of field, 16:9 aspect ratio

Template 2: Comparison Articles (对比类)

Visual Focus: Side-by-side elements, A/B comparison Color Palette: Contrasting colors (blue vs purple, warm vs cool) Example Elements: - Split composition - Two different technical objects - Before/after visual metaphor - Comparative elements

Base Prompt Structure:

Split composition showing [Element A] on the left and [Element B] on the right,
contrasting [color 1] and [color 2] lighting, clean separation, modern tech aesthetic,
high quality rendering, 16:9 landscape format

Template 3: Review Articles (评测类)

Visual Focus: Single product/concept, spotlight, quality assessment Color Palette: Premium colors (gold, silver, deep blue) Example Elements: - Hero product shot - Rating indicators (stars, bars - abstract) - Quality markers - Premium presentation

Base Prompt Structure:

A premium [technical subject] in a spotlight setup, dramatic [color] lighting,
floating in a clean void, high-end product photography style, professional studio lighting,
subtle reflections, 16:9 aspect ratio, ultra detailed

Template 4: Guide Articles (指南类)

Visual Focus: Roadmap, path, journey, navigation Color Palette: Warm colors (orange, yellow) for guidance Example Elements: - Abstract pathways - Directional elements - Map-like compositions - Journey visualization

Base Prompt Structure:

An abstract visualization of a [technical journey/path], glowing [color] pathways,
futuristic navigation interface, clean geometric shapes, depth and perspective,
professional rendering, 16:9 landscape format

---

Example Prompts by Topic:

Example 1: "SeedVR2 Low VRAM Workflow"

Ideogram Prompt:

{
  "prompt": "A powerful modern GPU with limited memory chips glowing in blue light, abstract memory optimization visualization flowing around it, clean tech laboratory background, professional studio lighting with soft blue and green accents, photorealistic 3D render, shallow depth of field, high detail, 16:9 aspect ratio",
  "negative_prompt": "text, watermark, logo, typography, words, letters, low quality, blurry, cartoon, people, faces",
  "style": "REALISTIC",
  "image_size": "landscape_16_9"
}

Example 2: "SeedVR2 vs FlashVSR Comparison"

Ideogram Prompt:

{
  "prompt": "Split composition with two contrasting AI neural network visualizations, left side in electric blue tones, right side in vibrant purple tones, clean separation line, abstract data streams and neural pathways, modern tech aesthetic, professional 3D rendering, 16:9 landscape format, high quality",
  "negative_prompt": "text, labels, words, letters, watermark, logo, low quality, blurry, cartoon, anime",
  "style": "DESIGN",
  "image_size": "landscape_16_9"
}

Example 3: "One-Click Upscaler Tutorial"

Ideogram Prompt:

{
  "prompt": "A single glowing blue button surrounded by abstract upward-flowing light particles and resolution enhancement visualization, clean minimalist void background, soft ambient lighting, professional product photography style, shallow depth of field, 16:9 aspect ratio, photorealistic rendering",
  "negative_prompt": "text, words, labels, typography, watermark, logo, people, hands, low quality, busy background",
  "style": "REALISTIC",
  "image_size": "landscape_16_9"
}

Example 4: "8GB VRAM Secrets"

Ideogram Prompt:

{
  "prompt": "A sleek GPU memory chip revealing intricate glowing circuits underneath, mysterious soft blue and purple lighting, tech laboratory environment, depth of field effect, professional macro photography style, futuristic aesthetic, 16:9 landscape format, ultra detailed rendering",
  "negative_prompt": "text, numbers, labels, watermark, logo, cartoon, low quality, blurry, people",
  "style": "REALISTIC",
  "image_size": "landscape_16_9"
}

---

Prompt Components Breakdown:

1. Subject (主体) - 30%

What is the main focus? - Technical equipment (GPU, server, chip) - Abstract concepts (data flow, neural network) - Metaphorical objects (button, pathway, interface)

2. Style & Aesthetics (风格) - 25%

How should it look? - Photorealistic, 3D render, professional photography - Modern, futuristic, clean, minimalist - High detail, ultra detailed, professional quality

3. Lighting & Color (光线与色彩) - 20%

What mood to create? - Soft blue lighting (trust, technology) - Neon accents (innovation, cutting-edge) - Purple/pink tones (premium, creative) - Green highlights (success, optimization)

4. Composition (构图) - 15%

How is it framed? - Shallow depth of field (focus on subject) - 16:9 landscape format - Clean/minimalist background - Foreground/background layering

5. Details (细节) - 10%

What makes it unique? - Glowing circuits, data streams - Reflections, refractions - Particle effects, light trails - Material textures (metallic, glass)

---

Quality Checklist:

Before finalizing the prompt, verify: - [ ] Prompt is 200-500 characters (optimal for Ideogram) - [ ] No text/typography requested - [ ] Aspect ratio specified as "landscape_16_9" - [ ] Style matches article tone (REALISTIC for tutorials, DESIGN for comparisons) - [ ] Negative prompt includes common unwanted elements - [ ] Colors align with article's emotional goal - [ ] Visual metaphor is clear and relevant - [ ] Prompt is detailed enough to avoid ambiguity - [ ] Professional/technical aesthetic maintained

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API Integration:

Ideogram API Call (via KIE)

curl -X POST https://[your-domain]/api/kie/ideogram/generate \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer [user-token]" \
  -d '{
    "mode": "text",
    "input": {
      "prompt": "[generated prompt]",
      "negative_prompt": "text, watermark, logo, typography, low quality, blurry",
      "style": "REALISTIC",
      "image_size": "landscape_16_9",
      "rendering_speed": "BALANCED",
      "num_images": "2"
    }
  }'

Cost Calculation:

• TURBO: 35 credits × 2 images = 70 credits (~$0.70)
• BALANCED: 70 credits × 2 images = 140 credits (~$1.40)
• QUALITY: 100 credits × 2 images = 200 credits (~$2.00)

Recommendation: Use BALANCED for blog featured images (good quality/cost ratio)

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Post-Generation Steps:

1. Select Best Image: Choose from 2 generated images
2. Download: Save as JPG/WebP with quality 85
3. Optimize: Compress to <200KB using ImageOptim/TinyPNG
4. Rename: tutorials-[article-slug]-2026-featured.jpg
5. Upload: Save to public/images/blog/tutorials/
6. Update Frontmatter: yaml image: "/images/blog/tutorials/tutorials-seedvr2-low-vram-workflow-2026-featured.jpg" imageAlt: "Visual representation of SeedVR2 low VRAM optimization workflow with GPU memory visualization"

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Tips for Better Results:

1. Use Specific Technical Terms

❌ "computer part" → ✅ "GPU graphics card with VRAM chips" ❌ "technology" → ✅ "neural network visualization with data nodes"

2. Layer Details (Foreground → Background)

[Subject in foreground] + [Mid-ground elements] + [Clean background] + [Lighting] + [Style]

3. Control Color Palette

• Blue/Teal: Trust, reliability, technology
• Purple/Pink: Innovation, creativity, premium
• Green: Success, optimization, growth
• Orange/Yellow: Energy, attention, guidance

4. Maintain Consistency

Use similar prompt structures for all articles in the same series: - Same lighting setup - Same color palette family - Same level of abstraction - Same rendering style

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Version: v1.0 Last Updated: 2026-01-23 适用模型: Ideogram v3, Midjourney v6, DALL-E 3

本文档为站内渲染。原始文件本地路径：saas/source/seo/SEO-seo方法论-seo-knowledge-base-Prompts-prompt-blog-featured-i-7c9f24.md（仅本地保留，不入库不部署）