{
    "template": {
        "style": "Vintage artistic portrait, cinematic film grain texture, warm brown tones with deep dark contrasts, dramatic chiaroscuro lighting, low-angle upward shot emphasizing volumetric depth and atmospheric tension.",
        "output": {
            "color_profile": "sRGB",
            "render_intent": "photo"
        },
        "subject": {
            "category": "human",
            "gender_presentation": "female",
            "ethnicity": "Chinese (porcelain-fair skin)",
            "age_bracket": "young_adult",
            "body": {
                "build": "elegantly slender with medium breasts",
                "proportions": "natural human anatomy",
                "posture": "relaxed yet theatrically poised on armchair",
                "pose": "seated confidently facing camera head-on with legs boldly spread apart in low-angle perspective for dramatic emphasis",
                "gesture": "Left arm casually resting against chair back for support, right hand delicately cupping cheek from the side with fingertips subtly curved in a thoughtful gesture.",
                "head_tilt_deg": 0
            },
            "face": {
                "expression": "serene, introspective with quiet intensity",
                "gaze": "direct to camera",
                "eye_action": "none",
                "skin_tone": "porcelain-fair, luminous, glossy",
                "makeup": "minimal, natural elegance",
                "features": "none specified"
            },
            "hair": {
                "length": "long",
                "style": "wavy",
                "color": "black"
            },
            "wardrobe": {
                "top": "crisp white underlayer",
                "outerwear": "open unbuttoned deep navy blue tailored suit jacket with diamond brooch on lapel",
                "bottom": "high-waisted wide-leg beige trousers cinched by wide brown leather belt",
                "footwear": "not visible"
            }
        },
        "environment": {
            "location": "elegant interior room",
            "set": "classic light taupe antique velvet armchair with curved armrests, against rear wall with thick draped vertical striped curtains creating shadows",
            "props": "exquisite diamond brooch on jacket lapel"
        },
        "lighting": {
            "key": {
                "source": "primary key light",
                "modifier": "steep angle sidelight with rim highlights",
                "position": "upper left",
                "effect": "intense sidelight illuminating left side of face, shoulder, arm, brooch, and trouser folds; soft graduated shadows on back, chair, and curtains."
            },
            "fill": {
                "type": "diffused light filtering through fabric"
            },
            "ambient": "warm ambient glows with subtle lens flares",
            "white_balance_K": 3200
        },
        "camera": {
            "system": "Film Camera (vintage aesthetic)",
            "sensor": "full-frame equivalent",
            "lens": {
                "type": "wide-angle prime",
                "focal_length_mm": 35
            },
            "exposure": {
                "iso": 200,
                "aperture_f": 2.8,
                "metering": "dramatic exposure with deep contrasts"
            },
            "focus": {
                "target": "eyes",
                "depth_of_field": "shallow"
            },
            "framing": {
                "orientation": "vertical",
                "crop": "full upper body to thighs with centered composition",
                "angle": "low-angle upward shot from below, accentuating the open-legged pose and creating exaggerated perspective",
                "composition": "subject centrally framed"
            }
        },
        "color_grade": {
            "look": "warm brown tones, nostalgic warmth",
            "contrast": "high with deep dark contrasts",
            "saturation": "moderate, emphasizing warm glows"
        },
        "postprocess": {
            "noise_reduction": "low",
            "texture": "photorealistic with subtle film grain, scratches, and vignette edges",
            "sharpen": "selective on facial features and fabric details",
            "blemish_control": "flawless luminous skin."
        },
        "quality_targets": [
            "accurate limb lengths and joint angles",
            "correct finger count and articulation",
            "realistic fabric tension and folds",
            "precise chiaroscuro shadows and highlights"
        ],
        "negative_prompt": [
            "no altered or exaggerated body proportions",
            "no extra or fused fingers",
            "no modern digital artifacts",
            "no text or watermarks",
            "no extreme distortion beyond low-angle perspective",
            "no NSFW content",
            "no high-key bright lighting",
            "no cool tones"
        ]
    }
}