简简单单,水一贴罢了
<svg viewBox="-15 -15 30 30"
width="500" height="500"
xmlns="http://www.w3.org/2000/svg">
<circle r="6" />
<path d="M0 6
A6 6 0 0 1 0-6
A3 3 0 0 1 0 0
A3 3 0 0 0 0 6
M0 2
A1 1 0 0 1 0 4
A1 1 0 0 1 0 2"
fill="#fff" />
<circle r="1" cy="-3" />
</svg>
手搓的,全部取的整数,别在意那些细节