feat: update slide deck

skills/baoyu-slide-deck/references/styles/corporate.md

@@ -1,29 +1,69 @@
 # corporate
 
-Professional, trustworthy, polished
+Professional business style with navy/gold palette and structured layouts
 
 ## Design Aesthetic
 
-Clean lines, structured layouts, business-appropriate
+Clean lines, structured layouts, and business-appropriate sophistication. Projects competence, reliability, and institutional credibility. Balances professionalism with approachability through careful use of whitespace and refined color choices.
 
-## Color Palette
+## Background
 
-- Background: Clean white (#FFFFFF) with navy accents
-- Primary Text: Navy (#1E3A5F)
-- Accent: Gold (#C9A227)
+- Color: Pure White (#FFFFFF) with navy structural elements
+- Texture: None - crisp digital clarity for maximum professionalism
 
 ## Typography
 
-- Primary Font: Inter (headlines)
-- Secondary Font: Source Sans Pro (body)
+### Primary Font (Headlines)
+
+Modern geometric sans-serif (Inter, SF Pro, or similar). Clean, professional, and highly legible. Conveys competence and contemporary business sensibility. Medium to semi-bold weight.
+
+### Secondary Font (Body)
+
+Humanist sans-serif (Source Sans Pro style) for body text. Friendly yet professional, optimized for reading comprehension. Regular weight with comfortable line height.
+
+## Color Palette
+
+| Role | Color | Hex | Usage |
+|------|-------|-----|-------|
+| Background | Pure White | #FFFFFF | Main slide background |
+| Primary Text | Navy | #1E3A5F | Headlines, key text |
+| Secondary Text | Dark Gray | #4A5568 | Body text |
+| Primary Accent | Gold | #C9A227 | Premium highlights, emphasis |
+| Secondary Accent | Light Navy | #3D5A80 | Secondary elements |
+| Success | Corporate Green | #059669 | Positive metrics |
+| Alert | Corporate Red | #DC2626 | Attention items |
+| Neutral | Light Gray | #F3F4F6 | Background sections |
 
 ## Visual Elements
 
-- Clean charts
-- Professional icons
-- Structured grids
-- Subtle shadows
+- Clean charts and data visualizations
+- Professional iconography (outlined style)
+- Structured grid layouts
+- Subtle shadows for depth (minimal)
+- Progress bars and metrics displays
+- Organizational charts
+- Timeline graphics
+- Comparison tables
+
+## Style Rules
+
+### Do
+
+- Maintain clear visual hierarchy
+- Use consistent grid alignment
+- Apply accent colors strategically (gold for emphasis)
+- Keep data visualizations clean and readable
+- Use professional outlined iconography
+
+### Don't
+
+- Use playful or casual elements
+- Apply heavy decorative effects
+- Mix too many accent colors
+- Crowd slides with information
+- Use informal illustration styles
+- Add slide numbers, footers, or logos
 
 ## Best For
 
-Business presentations, investor decks, reports
+Business presentations, investor decks, quarterly reports, executive summaries, client proposals, corporate communications, board meetings