1female, beach setting, lifeguard tower backdrop, athletic physique, balanced facial features, striking lighting, lifelike appearance, crisp detail, high-definition, intricate and complex nuances, photorealistic representation, advanced raytraced rendering, precise physics-based illumination, superior detail in RAW color imagery, ultra high resolution, richly detailed CGI 8K wallpaper quality, captivating rim lighting, vivid hues, expertly post-processed, dynamic color grading