digital art, realistic style, portrait of a young girl with long white hair, pale skin, blue eyes, wearing a white turtleneck sweater, high contrast lighting, bright white background, soft shadows on face and hair, slightly pink blush on cheeks, neutral expression, symmetrical composition, minimalistic, modern aesthetic, smooth textures, clean lines, centered subject, vertical orientation, gray borders on left and right sides, ethereal and serene atmosphere, slight glow around edges of face and hair, subtle highlights in hair, no visible accessories or background elements