以参考图的视觉风格为基础，生成一组高质感角色肖像海报。
角色：【英雄联盟女警 Caitlyn / 可替换为其他角色】
画面风格：
超精致半写实动漫风，暗黑电影感人像，近距离特写构图，强烈明暗对比，低调光影，黑色背景，浅景深，奢华细腻的皮肤质感，发丝清晰，眼睛高光锐利，嘴唇带自然光泽，整体有高级游戏宣传图与暗黑幻想角色海报的感觉。
人物设定：
一位冷静、优雅、危险感十足的女性狙击手，深蓝黑色长发，蓝色眼睛，神情克制而锐利，眼神像正在锁定目标。穿着蓝、白、金配色的精致执法官制服，带有皮革、金属、宝石与维多利亚风细节。头戴深蓝色宽檐帽，金色金属边框与徽章装饰。
服装细节：
深蓝制服外套，白色衬衫或荷叶边领口，金色肩甲与金属包边，蓝色宝石胸针，黑色皮手套，精致腰带与机械感配件，整体偏 Piltover / 蒸汽朋克 / 贵族警长风格。
武器设定：
手持一把华丽的长管海克斯科技狙击枪，黄铜金属结构，蓝色能量镜片，精密机械零件，枪身带金属反光与复杂雕刻细节，武器可以作为前景形成强烈透视感。
构图方向：
1. 超近距离眼部特写，头发遮住部分脸，人物回头看向镜头，眼神冷静锋利。
2. 半身构图，角色抱着狙击枪，枪身斜穿画面，人物直视观众。
3. 屋顶夜景动作构图，角色架枪瞄准，背景是模糊的哥特式城市灯光。
4. 低头压帽檐的近景肖像，手指扶帽，眼神带一点危险和挑衅。
光影氛围：
黑暗背景，单侧柔光照亮脸部，金属边缘有暖色高光，蓝色眼睛和蓝色宝石发出微弱冷光，整体色调为深蓝、黑色、金色、象牙白。画面高级、克制、冷艳、神秘。
镜头语言：
vertical portrait, 9:16, cinematic close-up, shallow depth of field, dramatic rim lighting, luxury character poster, ultra detailed, highly polished, masterpiece, high contrast, dark fantasy anime realism, premium game key art, sharp focus on eyes, realistic hair strands, glossy lips, soft skin shading.
避免：
低质量，脸部僵硬，五官崩坏，手指错误，武器变形，过度暴露，廉价二次元感，杂乱背景，文字水印，logo，模糊，低清晰度。
Generate high-quality character portrait posters based on the reference style. Character: Caitlyn from League of Legends (or similar). Style: Ultra-exquisite semi-realistic anime, dark cinematic portrait, extreme close-up, strong chiaroscuro, low-key lighting, black background, shallow depth of field, luxurious skin texture, clear hair strands, sharp eye highlights, natural lip gloss, premium game promotional art aesthetic. Character Setting: A calm, elegant, and dangerous female sniper with deep blue-black hair and sharp blue eyes. Wearing a refined enforcer uniform in blue, white, and gold with leather, metal, gemstones, and Victorian details, including a dark blue wide-brimmed hat with gold trim. Clothing Details: Dark blue coat, ruffled collar, gold pauldrons, blue gemstone brooch, black leather gloves, and mechanical accessories in Piltover/Steampunk/Aristocratic style. Weapon: Ornate hextech sniper rifle with brass structure, blue energy lenses, and intricate engravings. Compositions: 1. Extreme eye close-up looking back. 2. Half-body holding the rifle diagonally. 3. Rooftop night action with blurred Gothic city lights. 4. Close-up tipping the hat. Atmosphere: Dark background, soft side light, warm rim highlights on metal, faint blue glow from eyes and gems. Palette: Deep blue, black, gold, ivory. Lens Language: vertical portrait, 9:16, cinematic close-up, shallow depth of field, dramatic rim lighting, luxury character poster, ultra detailed, highly polished, masterpiece, high contrast, dark fantasy anime realism, premium game key art, sharp focus on eyes, realistic hair strands, glossy lips, soft skin shading. Avoid: low quality, stiff face, distorted features, bad fingers, deformed weapon, overexposure, cheap anime look, messy background, watermarks.
