後瑜伽肖像，類似悉尼·斯威尼（簡化版）

{ "prompt": "Photorealistic 8K full-body portrait of beautiful young woman strongly resembling {argument name="celebrity resemblance" default="Sydney Sweeney"}, early 20s, athletic toned build with natural curves, full bust, fair flushed skin with realistic post-yoga sweat droplets on face/neck/chest/shoulders/midriff, subtle freckles/pores. Blonde hair in loose messy damp ponytail with strands framing face/sticking to neck. Large blue eyes direct calm confident gaze, soft subtle smile, small cheek beauty mark. Performing elegant upward-facing dog yoga pose: prone on mat, upper body arched back, chest open, arms straight, hips/thighs slightly lifted, legs extended. Wearing fitted {argument name="sports bra color" default="lime green"} ribbed sports bra crop top with deep scoop neckline/thick straps and high-waisted white yoga leggings. Soft natural window light in mod