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name: geo-magazine-slides-cn description: 创建震撼的地理杂志风格演示文稿（PPTX），具备编辑级版式、大幅主图、数据驱动图表与奢华美学。适用于地点合集、奢侈房产展示、旅行目的地演讲、地图主题策展、建筑作品集等，带杂志风格的网格概览与章节分隔页。

Geographic Magazine Presentation

Create high-end editorial presentation decks modeled after luxury geographic magazines. The style combines large-format photography placeholders, clean serif/sans-serif typography, a bold red-and-gray color system, and structured data visualizations.

Reference Source

• Type: Uploaded artifact (PPTX)
• Reference artifact type: PPTX
• Effective Reference File Type: PPTX
• Fonts extracted from reference: Oranienbaum (serif headings), Liter (sans-serif body)

Supported Outputs

• PPTX (default and primary)

Default Output Selection

• If user explicitly requests a format, use that format
• Otherwise, default to PPTX

Workflow

1. Gather Content Requirements

Collect from the user:

• Topic: What geographic collection is being presented (city, region, properties, landmarks)
• Items: The individual items/locations to feature (target ~20 items for full structure)
• Data points: Key metrics per item (prices, sizes, dates, ratings — varies by domain)
• Visual assets: Available photos or confirm use of dark placeholder rectangles
• Narrative flow: Preferred grouping by region, category, or ranking

2. Read the Style and Structure Contracts

Before creating any slides, read both reference files to internalize the visual language:

• references/style_contract.md — Full color palette (exact hex), typography system, layout rules with measurements, image/chart treatment, and slide-specific layout patterns
• references/structure_contract.md — Exact 15-slide sequence, section hierarchy, content block patterns, and mandatory elements checklist

3. Plan the Slide Deck

Map content to the required 15-slide sequence (see structure contract). For each slide:

• Determine slide type (cover, overview, section divider, detail, chart, theme, closing)
• Assign text content and hierarchy levels
• Plan image placeholder positions (dark rectangles, NEVER external image downloads)
• Prepare data for charts (horizontal bar chart on slide 5, vertical bar chart on slide 9)

4. Create the Presentation

Build the deck slide by slide following the style contract exactly.

CRITICAL: Color Palette (Non-Negotiable)

Element	Color	Hex
Slide background	Light warm gray	#CCCCCC or #D3D3D3
Primary accent	Red	#D32F2F
Headings / chart bars	Black	#000000
Body text	Dark gray	#333333
Image placeholders	Near-black range	#1A1A1A – #353535
Text on dark bars	White	#FFFFFF
Info card backgrounds	White	#FFFFFF

NEVER use cream, beige, brown, copper, or gold tones. The background must be gray, and the accent must be the exact red #D32F2F.

Typography Rules

• Headings: Oranienbaum serif, ALL CAPS, black (#000000)
• Body: Liter sans-serif, sentence case, dark gray (#333333)
• Emphasis: Red (#D32F2F) for prices, locations, key statistics, bullet dots
• Taglines: Liter, ALL CAPS, red (#D32F2F)
• Captions/Labels: Liter, ALL CAPS, 9 pt
• Red underline: Short horizontal rule (~1" wide, 4–6 px, #D32F2F) beneath main titles

CRITICAL: Cover Slide Layout (Must Match Exactly)

• Left ~45%: Light-gray panel with:
  • Thin red vertical accent bar on left edge (~0.1" wide, ~4" tall)
  • Title: Oranienbaum, 52 pt, ALL CAPS, black
  • Tagline: Liter, 16 pt, ALL CAPS, red (#D32F2F)
• Right ~55%: Full-height B&W hero photograph
  • Black diagonal accent bar crossing lower portion (~1" wide)
  • Red diagonal accent bar parallel to black one (~0.6" wide)
• White rectangle at bottom-right corner
• NO footer text on cover

CRITICAL: Overview Grid (Slide 2)

• 5-column x 4-row grid showing ALL 20 items
• Each card: Dark placeholder rectangle (~3.06" x 0.97") + property name (bold, ALL CAPS) + location tag (red, "| LOCATION" format)
• Vary placeholder shades: #1A1A1A, #222222, #252525, #282828, #2A2A2A, #2D2D2D, #303030, #333333, #353535
• Title above grid: Oranienbaum, 38 pt, ALL CAPS

CRITICAL: Chart Slides (Slides 5 and 9 — Must Include Both)

Slide 5 — Horizontal Bar Chart:

• Left side: Horizontal bar chart with black bars, item names on Y-axis, values at bar ends
• Right side: 2x2 grid of white info cards (property name, price in red, brief specs)
• Below cards: Feature heading + 2-column red dot bullet list
• Bottom: Full-width black info bar with market data

Slide 9 — Vertical Bar Chart:

• Top-right: Two metric callout boxes ("MARKET TRENDS: +X% GROWTH", "INVESTMENT: HIGH DEMAND")
• Central: Vertical bar chart with black bars, X-axis=item names, values labeled at tops
• Bottom: Side-by-side bars — black ("MELBOURNE AVG: $X/SQM") + red ("ULTRA-LUXURY RANGE: $X — $X/SQM")

Bar charts MUST use solid black fill. No gradients, no patterns.

CRITICAL: Page Numbering and Footer (Every Slide)

• Red page-number box: Bottom-left, ~0.4" square, red fill (#D32F2F), white number centered
• Footer text: Bottom-right, format "{PUBLICATION TITLE} | {PAGE NUMBER}", Liter 9 pt, ALL CAPS, #333333
• Cover slide (slide 1) has page number but NO footer text
• All other slides (2–15) have BOTH page number and footer

Mandatory Slide Types (Must All Be Present)

1. Section Dividers (slides 3, 6): Left text ~40% + red vertical line + right dark image ~60% + caption
2. Detail Slides (slides 4, 7): Title + red underline + 3-column (image + specs + quote/price)
3. Collection Summaries (slides 5, 8): Comparison cards with property info and features
4. Architecture Slide (slide 10): Architect names with red dot bullets + large image + skyline card
5. Interior/Amenities Slide (slide 11): Finishes list + 2x3 image grid + amenities list + floor plan thumbnails
6. Investment Slide (slide 12): Metrics with mini bar charts + image grid + bottom stat bars
7. Neighbourhood Slide (slide 13): 2x2 white neighbourhood cards with red left border + map placeholder with red dots
8. Floor Plans Slide (slide 14): 4-column comparison cards with gray placeholders
9. Closing Slide (slide 15): Left metrics + mini chart + right image/logo + red contact panel + diagonal accent bars

Image Placeholder Rules

• ALWAYS use dark near-black rectangles (#1A1A1A–353535) for all image areas
• NEVER attempt to download or embed external images
• Vary the specific shade across different placeholders for visual interest
• Hero images on section dividers: Large dark rectangle filling ~60% of slide
• Grid thumbnails: Smaller dark rectangles (~3.06" x 0.97")
• Floor plan placeholders: Light gray rectangles with red dot markers

Price and Button Styling

• Price callouts: Red text (#D32F2F), Liter, 18–22 pt, bold
• Price boxes: Red filled rectangle (#D32F2F) with white text OR black filled rectangle with white text
• Bottom info bars: Full-width black bar (#000000) with white ALL CAPS text
• Accent bottom bars: Red bar (#D32F2F) with white text (used alongside black bars)

5. Font Handling for CJK Content

When the presentation includes Chinese, Japanese, or Korean text:

• Headings: Use Noto Serif SC (or equivalent CJK serif) in place of Oranienbaum
• Body: Use Noto Sans SC (or equivalent CJK sans-serif) in place of Liter
• Maintain ALL CAPS heading style where applicable; for CJK use bold weight for emphasis
• Preserve the red accent color #D32F2F for emphasis regardless of script

6. Final Quality Checklist

Before delivering, verify ALL of the following:

• 15 slides total (or minimum 5 with all mandatory types represented)
• Cover has split layout with left text panel + right B&W hero + diagonal accent bars
• Slide 2 shows grid of ALL items (4x5 or 5x4) with dark placeholders
• Slides 5 and 9 contain bar charts with solid black bars
• Every slide has red page-number square box bottom-left
• Every slide except cover has footer text bottom-right
• All image placeholders are dark near-black rectangles (no external images)
• Background is gray (#CCCCCC/#D3D3D3), NOT cream/beige
• Accent color is red #D32F2F throughout (bullets, prices, lines, boxes)
• Headings are ALL CAPS Oranienbaum, body is Liter
• Red underline decoration beneath main slide titles
• Bottom info bars are black with white text
• All 9 dedicated slide types (section divider, detail, collection summary, architecture, interiors, investment, neighbourhood, floor plans, closing) are present