权谋与恋爱的原创乙女游戏主视觉海报

创作一张原创日系二次元乙女恋爱手游主视觉海报。默认主题绯色议约为《绯色议约》，副标题王座即承诺默认为“王座即承诺”，人物台词每一场结盟都有心跳默认为“每一场结盟都有心跳”。画面中央是一位明确成年的25岁以上女性主角，聪慧、冷静、优雅，穿着具有外交领袖气质的服装。四位明确成年的虚构男性政治人物从左上、右上、左下、右下等方向围拢，每人拥有成熟的领袖气场，通过不同姿势和视线表现守护、克制深情、权谋张力与危险暧昧，但不得性化。背景为宫殿议事厅以及象征战争与秩序的建筑空间，整体浪漫化、幻想化，不得像真实新闻场景。使用高完成度原创日系二次元插画、华丽女性向手游卡面质感、电影级阴影、柔焦、克制的镜头光晕、星光粒子、漂浮花瓣、细腻皮肤与发丝、高级服装。加入精致中文海报排版：大标题绯色议约默认为“绯色议约”，副标题王座即承诺默认为“王座即承诺”，角色名洛岚·维斯、伊恩·赫洛、沈砚、阿德里安默认为“洛岚·维斯、伊恩·赫洛、沈砚、阿德里安”，CV字样CV：原创角色默认为“CV：原创角色”，人物台词每一场结盟都有心跳默认为“每一场结盟都有心跳”，并准确加入“预约开启”。添加一个简洁的应用商店风格按钮，按钮文字为“预约开启”。排版克制、清晰可读。不得出现真实名人、现有系列角色、标志、水印或额外文字。

【English Prompt】
Create a vertical original anime illustration for an otome romance mobile-game key visual poster. Use the default theme 绯色议约, meaning Crimson Diplomatic Oath, with subtitle 王座即承诺 default The throne is a promise and the dialogue 每一场结盟都有心跳 default Every alliance has a heartbeat. Center one clearly adult female protagonist, age 25+, who is intelligent, calm, elegant, and dressed as a diplomatic leader. Surround her with four clearly adult fictional male political figures, each with a distinct mature leader aura, approaching from upper-left, upper-right, lower-left, and lower-right; vary their poses and gazes to suggest protection, restrained affection, strategic tension, and dangerous ambiguity without sexualized behavior. Use a palace council chamber and symbolic war-and-order architecture as a romanticized fantasy setting, never a real news scene. Use high-finish original Japanese-inspired anime illustration, ornate mobile-game card polish, cinematic shadows, soft focus, subtle lens flare, starlight particles, floating petals, delicate skin and hair detail, and luxurious clothing. Add refined Chinese poster typography: exact main title 绯色议约 default Crimson Diplomatic Oath, subtitle 王座即承诺 default The throne is a promise, character names 洛岚·维斯、伊恩·赫洛、沈砚、阿德里安 default 洛岚·维斯、伊恩·赫洛、沈砚、阿德里安, CV line CV：原创角色 default CV：原创角色, dialogue 每一场结盟都有心跳 default Every alliance has a heartbeat, and the exact phrase 预约开启. Add one clean app-store-style button reading 预约开启. Keep typography sparse and legible. No real celebrities, existing franchise characters, logos, watermark, or extra text.

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