Kexue Ppt Maker

学科PPT制作

User Profile & Preferences

• Identity: Middle school teacher (History/Geography/Politics), engaged in teaching and research
• Language: Chinese
• Feedback style: Iterative revisions, specific and clear instructions, detail-sensitive about layout
• Content perspective: Teacher/researcher perspective, emphasizes curriculum alignment and competency-based orientation

Design Standards (Must Follow)

Canvas & Layout

• Aspect ratio: 16:9 (13.333" x 7.5")
• Layout: Prefer dual-column (e.g., left: diagnosis / right: strategy; left: old version / right: new version)
• Content zones (revision slides): Top (text analysis) → Middle (model answer/scoring) → Bottom (comparison images)

Color Palette (Low Saturation)

• Background: #F8F7F4 (cream white)
• Primary (titles/emphasis): #2C3E50 (dark blue-gray)
• Accent (decorative lines/labels/borders): #8B4513 (dark red-brown)
• Body text: #2B2B2B (dark charcoal)
• Guide lines: #B0C4DE (light steel blue)
• Highlight block background: #EFEBE4 (light beige)

Fonts

• Titles: SimSun, 28-52pt, bold
• Body text: Microsoft YaHei, >= 16pt
• Captions/labels/notes: Microsoft YaHei, 12pt, bold, dark red-brown

Image Standards

• Questions/materials must be presented as screenshot images, not text copy
• Images and titles centered together (title centered directly below image)
• Images may be force-stretched to uniform size (user accepts distortion for alignment)
• Multi-image horizontal layouts must have consistent sizing

Line Spacing & Whitespace

• Body text line spacing: 1.15-1.18
• Remove unnecessary decorative elements (redundant subtitles, colored labels, complex shapes)
• Prioritize font >= 16pt and image dimensions; reduce line spacing rather than font size when space is tight

Model Answer / Scoring Standards Display

• Revision slides must include a Model Answer block
• Block style: Rounded rectangle, beige background + dark red-brown border
• Position: Below text analysis, above comparison images
• Content: Scoring criteria, key points, grade descriptors, point allocation
• Animation: No animation by default; inform user they can set "Appear/Fade" animation in PowerPoint

Content Structure Template (10 Slides)

Content Writing Standards

Revision Slide Three-Part Structure

1. Old Version Diagnosis (left column): Structural flaws using numbered items; 1 line each
2. New Version Strategy (right column): Improvement plan matching diagnosis; numbered items
3. Model Answer (middle block): Concise scoring points with point allocation

Comparison Page Structure

• Left column: Old version problems (gaps/missing/coarse)
• Right column: New version advantages (progressive/complete/refined)
• Use arrows + keywords to annotate level differences

Technical Implementation

Use python-pptx to generate PPT. Key utility functions:

• add_image_stretched(): Force-stretch image to specified dimensions (uniform alignment)
• add_image_centered_caption(): Maintain aspect ratio + horizontal center + caption centered below
• add_answer_block(): Rounded rectangle answer block (beige bg + dark red-brown border)
• add_title_box(): Title + bottom decorative line (dark red-brown)
• add_multiline_textbox(): Multi-paragraph text box (supports numbering, bold, color changes)
• add_divider_line(): Light steel blue divider line (between dual columns)