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【使用方式】根据上传的参考图生成新肖像，保持人脸特征与身份不变。
【主体】30 岁东亚女性特工，运动匀称，黑色长直发垂落，神情冷静、目光锐利；设定板以 2×2 四宫格记录主角三视图、敌方士兵、潜行场景与动作场面。
【服装造型】主角穿哑光黑贴身战术连体服，金色缝线沿肩、前臂与大腿走线，腰间金色眼镜蛇带扣，双髋各佩一把消音手枪，大腿绑锯齿格斗刀，左前臂装气动抓钩发射器，脚穿带金色饰边的高帮战术靴。
【场景背景】深炭灰 #1A1A1A 文档版面：右上为深红全息面甲的敌方承包商士兵三种姿态，左下为雪山中的粗野主义秘密研究设施，右下为峡谷悬崖边的货运站枪战场景，顶部金色模板字标题，底部一排色板色块。
【灯光】角色面板用中性三点式影棚光保证材质清晰；场景面板用冷白荧光、琥珀应急光与黄昏暖光形成对比。
【风格质感】Unreal Engine 5 写实 PBR 渲染，AAA 游戏概念美术文档风，暗部压黑、中间调去饱和，专业游戏工作室内部设定图质感。
Official AAA video game concept art sheet titled ROGUE VIPER for an Unreal Engine 5 third-person action-stealth game. Professional game development documentation layout on a dark charcoal #1A1A1A background with gold stencil label typography throughout. Four clearly labeled panels arranged in a 2x2 grid with a header and footer. Sheet header: bold gold stencil title ROGUE VIPER centered at top, subtitle CHARACTER & ENVIRONMENT CONCEPT SHEET | UNREAL ENGINE 5 | ACTION / STEALTH - THIRD PERSON. Panel 1, top left, Protagonist Mei Liu / Rogue Viper: full-body character turntable reference of a 30-year-old East Asian Chinese-American female operative, athletic and toned, 5'8", long straight black hair worn loose, calm neutral expression with sharp eyes. She wears a form-fitting matte black tactical bodysuit with gold accent seams along the shoulders, forearms and thighs, a gold cobra snake belt buckle at the waist, and calf-high black tactical boots with subtle gold trim. She is armed with twin suppressed 9mm pistols holstered on each hip with custom viper-scale grip texture, a serrated combat knife sheathed vertically on the right thigh, and a compact pneumatic grappling hook launcher mounted on the left forearm. Three views arranged side-by-side: front, 3/4 and back. Unreal Engine 5 physically-based rendering, photorealistic skin and fabric materials, neutral 3-point studio lighting for maximum clarity, gold and matte black color scheme throughout. Panel 2, top right, Enemy Type 01 Obsidian Protocol Enforcer: three enemy soldiers as character references against a dark background, elite private military contractors working for a shadow arms cartel called Obsidian Protocol. Their uniform is slate-gray and black modular plate carriers with deep crimson geometric hex-patch insignia on the shoulder, full-face ballistic visors with a dark red tinted lens, black tactical gloves and reinforced combat boots, armed with compact bullpup assault rifles with red laser sights. One figure stands in neutral patrol stance, one is crouched in a ready alert position, one is mid-aim with rifle raised, all shown at the same scale. Panel 3, bottom left, Stealth Environment Obsidian Protocol Black Site Alpine Research Facility: a wide cinematic establishing shot of a hidden high-altitude research facility buried inside a snow-covered mountain, accessible only via an underground tram. The interior architecture is brutalist concrete and frosted glass, dimly lit with cold white fluorescent overhead strips and amber emergency lighting casting long dramatic shadows across polished concrete floors. Rows of classified server terminals and cryogenic storage units line the walls, ventilation shafts and catwalks are visible above, and a security camera sweeps a slow arc over a central corridor. In the foreground, Rogue Viper is pressed flat against a concrete pillar in deep shadow, body low, watching two enforcers on patrol below. Unreal Engine 5 Lumen global illumination, volumetric cold air haze, photorealistic ice and concrete materials, cinematic wide 2.39:1 style composition within the panel. Panel 4, bottom right, Action Set Piece Obsidian Protocol Freight Depot Collapsed Bridge Canyon: a wide cinematic action shot of a sprawling open-air industrial freight depot at the edge of a sheer cliff canyon at dusk, with a collapsed suspension bridge dangling over the chasm. Shipping containers and heavy crane equipment provide cover. Rogue Viper is captured mid-movement in a dynamic gunfight pose, body low, both suppressed pistols raised and firing, muzzle flashes illuminating her face with sharp white light, while three enforcers are positioned around her. In the background, a deep canyon with a river of orange reflected sunset light far below, dust and smoke rising, and a military helicopter approaching in the far distance. Warm dusk amber and cool canyon shadow blue provide dramatic color contrast, UE5 ray-traced reflections on metal container surfaces, particle systems for dust and muzzle smoke, cinematic depth of field. Sheet footer: a color palette chip row along the bottom with matte black #1A1A1A, dark charcoal #2B2B2B, viper gold #D4AF37, gunmetal #3E3E3E, obsidian crimson #8B1A1A, slate gray #6B7280 and cold white #E8EEF4, labeled COLOR PALETTE, with footer text ACTION / STEALTH - THIRD PERSON - UNREAL ENGINE 5. Universal style constraints for all panels: photorealistic only throughout, no anime, no cartoon, no stylized illustration, no cel shading. Unreal Engine 5 cinematic render quality with physically-based materials, anamorphic lens character on all environment shots, crushed blacks and desaturated mid-tones across all panels, professional AAA game studio concept documentation format.
