[!note] 
提示词如下 
[!failure] 
模型 nano banano 

 [Gemini_Generated_Image_r72tqyr72tqyr72t] 
{
 "project_type": "Nine-grid Trendy Star Portrait Collage",
 "aspect_ratio": "3:4",
 "visual_style": {
   "color_palette": "Black and white, Monochrome, High key, Bright grayscale, Clean whites, Light grays",
   "background": "Studio background, seamless white paper, light gray concrete wall, minimalist brig...