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skills/creative/baoyu-article-illustrator/references/styles/sketch.md

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+# sketch
+
+Raw, authentic notebook-style illustration for ideas and processes
+
+## Design Aesthetic
+
+Hand-drawn sketch aesthetic that feels authentic and in-progress. Pencil-on-paper quality with intentional imperfection. Suggests thinking, brainstorming, and creative exploration. Raw and honest visual approach that invites collaboration.
+
+## Background
+
+- Color: Off-White Paper (#F7FAFC) or Cream (#FAFAFA)
+- Texture: Paper texture with visible grain
+
+## Color Palette
+
+| Role | Color | Hex | Usage |
+|------|-------|-----|-------|
+| Background | Paper White | #F7FAFC | Primary background |
+| Primary | Pencil Gray | #4A5568 | Main sketch lines |
+| Secondary | Light Gray | #A0AEC0 | Shading, soft marks |
+| Highlight Blue | Note Blue | #3182CE | Highlight color |
+| Highlight Red | Mark Red | #E53E3E | Emphasis color |
+| Highlight Yellow | Marker Yellow | #F6E05E | Highlighter effect |
+| Text | Charcoal | #2D3748 | Text elements |
+
+## Visual Elements
+
+- Rough sketch lines with natural variation
+- Arrows and directional pointers
+- Handwritten labels and notes
+- Crossed-out marks and corrections
+- Underlines and emphasis marks
+- Simple diagram shapes
+- Margin notes style
+- Quick icon sketches
+
+## Style Rules
+
+### Do
+
+- Use pencil-like line quality
+- Include natural imperfections
+- Add handwritten annotations
+- Create diagram-style layouts
+- Show thinking process
+
+### Don't
+
+- Use perfect geometric shapes
+- Add polished or refined elements
+- Create colorful compositions
+- Use digital effects
+- Make it look finished
+
+## Best For
+
+Ideas in progress, brainstorming articles, thought processes, concept exploration, draft-stage thinking, planning content, problem-solving pieces