旅游海报生成指南

{
  "style_definition": {
    "art_style": "Modern Flat Vector Illustration",
    "medium": "Digital Vector Art",
    "vibe": "Optimistic, Cheerful, Travel Poster",
    "rendering_engine_simulation": "Adobe Illustrator / Vectorized"
  },
  "visual_parameters": {
    "lines_and_shapes": "Clean sharp lines, simplified geometry, lack of complex textures, rounded organic shapes for trees and clouds.",
    "colors": "High saturation, vibrant palette. Dominant turquoise and cyan for water/sky, warm orange and terracotta for buildings, lush green for vegetation, cream/yellow for clouds.",
    "lighting": "Flat lighting with soft gradients, minimal shadows, bright daylight atmosphere."
  },
  "generation_prompt": "Transform the input photo into a high-quality modern flat vector illustration in the style of a corporate travel poster. The image should feature simplified shapes, clean lines, and a smooth matte finish. Use a vibrant color palette with bright turquoise water, warm orange rooftops,