AIBoxBot场景实战：年轻 Gen-Z 女生写真级合照提示结构解析｜NanoBanana 构图提示词

这条案例展示了一个结构化的「群像写真」Prompt：通过类型字段控制整体风格，用 subjects 对象精细定义人物数量、年龄层和外观细节，非常适合用来做多人物写真、海报和团队形象照。对于想在 NanoBanana 中稳定生成多角色、但又希望有统一风格与构图的创作者，这种 JSON 式提示结构非常值得借鉴和拓展。

中文提示词
{
"type": "写真级多人合照",
"subjects": {
"count": 4,
"demographic": "年轻的 Z 世代女生",
"details": [
{ "skin": "白皙肤色", "hair": "棕色长直发" },
{ "skin": "偏白肤色", "hair": "顺滑高马尾" }
// 其余角色可按需补充：肤色、发型、配饰等
]
},
"style": "摄影棚写真风格, 柔和光线, 高细节, 真实质感",
"composition": "四人并排半身合照, 目视镜头, 画面均衡"
}


English Prompt
{
"type": "photorealistic_group_portrait",
"subjects": {
"count": 4,
"demographic": "Young Gen-Z women",
"details": [
{ "skin": "Fair", "hair": "Long straight brown" },
{ "skin": "Light", "hair": "Sleek high ponytail" }
// add more characters with skin tone, hairstyle, accessories as needed
]
},
"style": "studio photography, soft lighting, high detail, realistic skin texture",
"composition": "four women in a balanced half-body group shot, looking at the camera"
}