Y2K 时代感一次性胶片快照

{   "advanced_image_generation_prompt": {     "metadata": {       "target_aspect_ratio": "9:16",       "style_goal": "Ultra-Realistic Candid Analog Film Photography",       "era_esthetic": "Late 90s / Early 2000s Y2K Disposable Camera vibe"     },     "master_prompt_string": "A raw, authentic, high-resolution candid analog film photograph captured with a direct on-camera flash from a low angle, looking up at two young women indoors. The aesthetic is that of a 1990s disposable camera snapshot with heavy film grain and vibrant, slightly desaturated colors. HARSH LIGHTING: The direct flash creates hard-edged shadows against the plain off-white wall behind them, causing specular highlights on their skin and leather jackets. SUBJECT 1 (LEFT): A young woman with long, tousled blonde hair, caught mid-action, winking her right eye playfully and sticking her tongue out. She wears a black leather biker jacket over a dark top, with a delicate gold chain necklace featuring a small rectangular pendant visible. SUBJECT 2 (RIGHT): Her best friend, a young woman with a brunette bob haircut and distinct straight bangs (fringe). She is making a goofy, scrunched-face expression with eyes tightly shut and mouth wide open in a grimacing laugh, showing teeth. She wears a slightly oversized, vintage-style black leather jacket (bomber style) unzipped over a crisp white crew-neck t-shirt. Small silver hoop earrings are visible. COMPOSITION & ENVIRONMENT: Shot from below their eye level. The background is a simple apartment corner; a single recessed ceiling light is visible near the top frame, overpowered by the flash. To the far right, neutral-toned fabric curtains hang. To the far left, the edge of a framed picture is implied. TEXTURES & DETAILS: Extremely detailed skin texture showing natural pores, slight imperfections, and oily shine from the flash. The grain of the worn leather jackets is palpable. The cotton texture of the white t-shirt is clear. The entire image is overlaid with significant, authentic Kodak Portra 400 film grain.",     "negative_prompt_string": "CG, 3D render, digital art, illustration, painting, photoshop, airbrushed, smooth skin, perfect complexions, studio lighting, soft diffused light, professional portrait, blurred faces, deformed appendages, extra fingers, bad anatomy, cartoonish, highly stylized, vivid neon colors, clean modern digital look, HDR, watermark, text, signature, cropped heads.",     "technical_parameters_guides": {       "camera_type": "35mm Point and Shoot / Disposable Camera",       "lens_type": "Wide angle lens (approx 28mm)",       "lighting_source": "Hard Direct Flash",       "film_stock_emulation": "Kodak Portra 400 (pushed)",       "perspective": "Worm's-eye view / Low Angle"     }   }