A close-up portrait of a stunning mecha girl featuring beige blonde hair with dark tips, an angelic face, alluring eyes, and pouty thin lips. She is adorned in white-silver armor with intricate head accessories. The scene exhibits HDR and ultra-high detail with a cinematic lighting effect, enhanced by bokeh, light bloom, and a strong sense of illumination. The depth of field brings a focus to her delicate features, evoking the feel of concept art rendered in Unreal Engine 5 with RTX technology, achieving a photorealistic quality. Subtle creative touches include a lack of visible arms and hands, adding an intriguing and ethereal element to the image. A delicate watermark hints at artistic authenticity.