High-resolution scientific talking-head video,
fixed camera, upper body visible,
bright, evenly diffused high-key laboratory lighting,
neutral white balance (D65),
facial exposure significantly higher than background (+0.5 to +0.7 EV to compensate dark skin),
overall facial luminance target 95–100% of ideal display white,
highlights on forehead, cheeks, and nose evenly preserved,
no shadows anywhere on face,
young adult male researcher @wuchangwen in white lab coat and white collared shirt,
clean professional appearance,
skin digitally enhanced for healthy, luminous, fair complexion,
bright, neutral-warm white skin with subtle pinkish blood undertone,
redness distributed naturally to cheeks and nose bridge for healthy glow,
facial skin smoothed subtly to remove unevenness and shadow from beard or stubble,
minimal specular hotspots, no oily shine, no dull matte,
face rendered as planar, uniform, perfectly even luminance,
no heavy makeup, maintain natural scientific look,
skin reflectance dominated by diffuse component with strong even scattering,
light fully wraps around facial features for uniform luminance,
slight softening on jawline and stubble to reduce beard shadow without erasing identity,
@wuchangwen looks directly into camera and says: “A醇真的天生刺激吗？不是。90%的刺痛，都是配方没做缓释。”
Negative prompt:
facial shadows, uneven lighting, dark patches on skin, yellowish skin, grayish skin,
dramatic contrast, contoured face lighting, harsh beard shadows