神秘力量剪影：卷发粗胡须男士黑白肖像 Gemini Nano Banana 3.0 Prompt: { "request": { "type": "imagegeneration", "param

神秘力量剪影：卷发粗胡须男士黑白肖像
Gemini Nano Banana 3.0
Prompt:
{
"request": {
"type": "image_generation",
"parameters": {
"dimensions": {
"width": 1024,
"height": 1024,
"aspect_ratio": "1:1"
},
"format": "jpg",
"count": 1
},
"content": {
"prompt": "Close-up black and white portrait of a man with tousled hair and a rough beard, tilting his head slightly upward as light falls dramatically from above. His eyes remain in shadow, creating a mysterious, powerful silhouette-like mood with strong contrast.",
"negative_prompt": null
}
}
}