海报 banner 目标：ChatGPT 生成 image-2
海报 banner：城市观光海报
城市观光海报：地标剪影拼接 + 鲜活配色 + 甜蜜图形语言，一图逛城的打卡诱惑。
提示词全文（英文）
Vibrant city tourism poster illustration, a playful collage skyline featuring recognizable landmarks of a city arranged along a winding river, cable cars, ferris wheel and street-food stalls, bright cheerful flat palette of sky blue, coral, lemon, jade and cream, rounded geometric shapes with a subtle grid, sticker-like details and small people having fun, joyful travel advertising mood, clean composition with a sky area for branding, modern flat graphic design, high resolution, 4k
生成同款： 复制上方提示词 → 打开 ChatGPT → 粘贴并发送（可切换生图模型）→ 等待生成。
详细图文步骤见 新手教程
#城市#观光#插画
