极简 Logo 设计提示词

Minimal geometric logo design for brand [品牌名]，abstract mark combining [元素1：如山峰] and [元素2：如河流]，single color black on white background，clean vector style，balanced negative space，scalable from favicon to billboard，professional brand identity，no gradients，no text，centered composition，flat design

要求：图形简洁到 5 秒能记住；留白处理考究；避免与常见大牌 logo 相似。