可爱风格肖像，带身份锁定和特定服装

{
  "image_request": {
    "subject": {
      "type": "Young adult woman",
      "identity_constraint": "Use the uploaded image as a strict facial and body reference. Preserve exact facial features, proportions, and skin texture without any alterations, morphing, or beautification.",
      "expression": "Use the uploaded image as reference: bright innocent smile, big sparkling eyes, slight head tilt or playful pout for extra cuteness",
      "gaze": "Use the uploaded image as reference: wide-eyed direct look at camera, endearing and full of charm",
      "emotion": "Use the uploaded image as reference: cheerful, bubbly,萌萌哒 innocence with light-hearted sweetness"
    },
    "pose_and_framing": {
      "pose": "Standing casually with hands behind back or lightly twirling skirt hem, one foot playfully forward",
      "posture": "Relaxed upright with soft natural hip sway, shoulders slightly rounded for approachable cuteness, gentle knee bend to highlight leg line",
      "framing": "Full-body to three-quarter portrait",
      "composition": "Centered subject with ample clean negative space, playful and balanced framing"
    },
    "outfit_and_accessories": {
      "outfit": {
        "type": "Classic white button-up shirt with fine blue stripes + knee-length brown leather mini skirt",
        "color": "Crisp white shirt with light blue thin stripes + rich warm brown leather skirt",
        "details": "Shirt tucked in neatly or half-tucked for casual feel, top 1-2 buttons open for fresh youthful look, sleeves rolled once optional; skirt is smooth leather with subtle sheen, slight A-line or straight cut ending exactly at the knee, clean hem",
        "stockings": "Bare legs or sheer nude ankle socks for cute bare-leg contrast with leather",
        "shoes": "Clean white low-top canvas sneakers (小白鞋), simple classic style",
        "fit": "Youthful and flattering, skirt gently hugging hips and thighs then releasing at knee for adorable leg exposure"
      },
      "accessories": "Minimal cute: small heart or star-shaped earrings, thin colorful hair tie or ribbon, delicate bracelet or anklet"
    },
    "hair_and_makeup": "Use the uploaded image as strict reference. Maintain exact hair texture, length, color – preferably high ponytail, twin tails, or soft waves with face-framing strands for萌萌哒感。Light fresh makeup: dewy fair skin, pinky blush on apple cheeks, natural rosy lip tint with gloss, big defined lashes for doll-like innocent eyes, subtle inner-corner highlight for sparkle.",
    "body_details": "Use the uploaded image as strict reference. Preserve natural body proportions, skin texture, and subtle details without smoothing or enhancement.",
    "props_and_set": {
      "props": "None or minimal casual: small handheld plushie, colorful phone case, or simple ribbon in hand",
      "background": {
        "style": "Clean minimal studio setup",
        "color_tone": "Soft light gray, pale pink, or mint fade, airy and fre"