16:9横版构图，正面居中视角，扁平化简约矢量插画风格，主体是一把哑光金色复古钥匙，钥匙头部为带十字辐条的圆形罗盘造型，外圈均匀分布12个短柱状凸起，中心为双层同心圆结构，平直钥匙杆底部带有两个齿状缺口，钥匙带有柔和浅投影，放置在从中心向外由浅灰绿过渡到深灰绿的径向渐变纯色背景上，光线均匀柔和，整体低饱和度简约设计。

16:9 horizontal composition, front-facing centered view, flat minimalist vector illustration style, the main subject is a matte gold vintage key, the key head is a circular compass shape with cross spokes, 12 short columnar protrusions are evenly distributed on the outer ring, the center is a double concentric circle structure, the bottom of the straight key shaft has two toothed notches, the key has a soft light projection, placed on a radial gradient solid color background transitioning from light gray-green at the center to dark gray-green outward, with even and soft lighting, overall low-saturation minimalist design.