Google Gemini 2.5 Nano banana 新玩法之时尚美女写真（附上json格式提示词）

生成图像效果：

Google Gemini 2.5 Nano banana 使用如下的提示词，生成美女写真图像：

{
  "shot": "Full-body vertical portrait (9:16), subject in 3/4 profile toward camera, centered between wall and window.",
  "subject": {
    "age": "adult woman (25+)",
    "appearance": "slender, long dark hair, no hat, calm/introspective expression",
    "pose": "weight on left leg with right knee slightly crossed; slight torso twist; head angled down so hair shadow softens face; right hand near hip, left arm relaxed along thigh"
  },
  "wardrobe": "opaque BLUE lace bra and matching bikini briefs (no sheer fabric, tasteful fashion lingerie)",
  "breast_view": "Covered cleavage contour shaped by opaque bra; natural proportions; camera height slightly above bust with a gentle downward tilt to preserve the neckline while keeping the full body in frame. No nipple/areola visibility.",
  "environment": "minimalist apartment interior; sheer curtains at left with balcony rails visible; textured interior wall at right; clean floor baseboard",
  "lighting": "strong backlight from window left; soft rim along shoulders/abdomen; low-key with gentle halation and soft roll-off",
  "camera": {
    "focal_length": "55mm look",
    "aperture": "f/2.2",
    "distance": "3.2 m",
    "angle": "slightly above eye level, tilt −5°",
    "framing": "head-to-toe in frame; toes visible"
  },
  "color_grade": "BLACK & WHITE global grade with SELECTIVE COLOR only on underwear in blue",
  "selective_color": {
    "mask_target": "bra_and_briefs_only",
    "blue_palette_hex": ["#1E3A8A", "#2563EB", "#60A5FA"],
    "rule": "no other hues anywhere; all else strictly monochrome"
  },
  "style": "fashion-editorial, moody noir silhouette, realistic anatomy",
  "quality": "photo-real 4K detail; accurate fabric texture; subtle film grain",
  "negatives": "no explicit nudity, no see-through fabric, no nipples/areola, no genitals, no pornographic poses, no exaggerated anatomy, no other colors besides blue on underwear, no text/logos/watermarks, no minors"
}