GPT Image 2.5 四格角色设定图提示词
完整英文提示词，用四格灰底参考图固定同一角色的脸、正侧背身与服装细节。
step 1: women sheet model: GPT Image 2.5 prompt: Four-panel character reference sheet on a seamless grey studio background, even soft lighting, photorealistic. Panel 1: tight face close-up. Panels 2 to 4: full-body front, side profile and back views, same pose and framing in each. Woman in her 20s with green eyes, thick brows, freckles, rosy blush and glossy lips. Long dark curly hair, slightly damp. She wears a turquoise bandana with a large orange-brown sunflower print, tortoiseshell sunglasses resting on top, gold starfish earrings, a white puka shell necklace, a thin gold bracelet and small rings. Outfit: black athletic racerback one-piece swimsuit with boyshort legs and a small white "arena" logo on the chest. Barefoot, sun-tanned skin with a light wet sheen. Neutral standing pose, relaxed arms, calm expression. Sharp focus, consistent identity and outfit across all four panels. Aspect ratio 16:9.