GPT Image 2.5 复古旅行海报提示词模板
一条纯文生图模板：只给城市名，就能生成 1950–60 年代中世纪风格竖版旅行海报，含配色与排版约束。
GPT Image 2.5 Prompt: Create a premium FULL-FRAME 4:5 vertical vintage travel poster for [COUNTRY / CITY / LOCATION]. TEXT-TO-IMAGE ONLY — generate the entire artwork from the destination name alone. No reference image required. CORE CONCEPT: Transform the destination into a colorful 1950s–60s mid-century travel poster inspired by hand-painted Nubian village architecture. Feature iconic local landmarks, distinctive buildings, and a beautiful coastal, riverside, or natural landscape appropriate to the location. COMPOSITION: Place “[CITY NAME]” in large, bold retro typography across the top. Fill the central scene with simplified architectural forms, geometric wall patterns, local vegetation, and a few authentic transport or cultural details. Add a warm sun and a spacious, atmospheric background. Keep the composition balanced and uncluttered. STYLE & COLORS: Flat geometric shapes, hand-painted wall textures, sun-faded colors, and subtle vintage print character. Use turquoise, cobalt blue, terracotta, orange, butter yellow, and warm ivory, adapting the palette to the destination. FINAL AESTHETIC: Bright, optimistic, nostalgic, and collectible—classic mid-century tourism art with distinctive local identity. AVOID: Photorealism, 3D rendering, excessive detail, unrelated landmarks, crowded layouts, incorrect text, logos, watermarks, and mockup framing. FORMAT: Full-bleed 4:5 vertical poster. Artwork fills the entire canvas with no external borders or margins.