8K ultra HD, rendered in Unreal Engine 5, path tracing global illumination, advanced CG digital portrait, subsurface scattering skin material, half-body close-up composition, shallow depth of field with soft-focus blurred background, focus precisely locked on the eyes, clear light source refracted in the eyes, a gentle breeze stirring the strands of hair in the forehead, hair flowing messily, cool backlight penetrating the hair to create a translucent cool light effect, classical Eastern beauty, innocent and clear-eyed gaze directed at the camera, a hint of mischievous smile at the corners of the mouth, cheeks slightly blushed, super-realistic 3D skin texture, delicately showcasing pores, facial fuzz, skin texture, and natural complexion, with a few crystal-clear summer sweat beads hanging on the forehead, nose tip, and hairline; sweat refracting subtle light, naturally highlighting the summer atmosphere, skin texture is translucent with a natural light feel, cinematic warm and cool lighting contrast: warm side key light softly outlining facial features, cool backlight enhancing hair and edge outlines, rich layers of light and shadow, HDR stereoscopic lighting, the overall image has a delicate film grain texture, skin edges softly luminous with a glow effect, maximum atmospheric feeling, an exquisitely refined digital art portrait.