Gumroad风格：极简纯黑轮廓贴纸图标生成

生成Gumroad风格的纯黑轮廓贴纸图标，具有扁平化设计与生动色彩边框。适用于UI界面与矢量插画创作。 Create a high-resolution illustration of a [OBJECT] icon in the style of a flat, outlined sticker graphic. The icon should be made entirely from very thin, solid black outlines with no interior fill. Add a bold, soft-edged sticker-style contour around the icon using a flat, vibrant [YELLOW, BLUE, OR PINK] color. The result should look like a cartoon-style icon cut from black paper, outlined by a bright color. Do not use any white or filled shapes inside. No gradients, no shadows, no textures. Vector-friendly. Black background. Square aspect ratio. 以平面轮廓贴纸图形的样式创建 [OBJECT] 图标的高分辨率插图。图标应完全由非常细的纯黑色轮廓制成，没有内部填充。使用平坦、充满活力的 [黄色、蓝色或粉红色] 在图标周围添加大胆、边缘柔和的贴纸式轮廓。结果应看起来像从黑纸上剪下来的卡通风格图标，由鲜艳的颜色勾勒出来。不要在里面使用任何白色或填充的形状。没有渐变，没有阴影，没有纹理。对矢量友好。黑色背景。方形纵横比。 Gumroad风格, 扁平化设计, 轮廓图标, 贴纸效果, 矢量插画