/*文本；缩小、放大*/
:read-only,:link,:enabled {cursor:url("${imDot}")4 4,auto}
:active #cursor{${l}:0px}
body:has(:link:hover,:enabled:hover) #cursor {${l}:40px; opacity:.2}
/*定位；缓动*/
#cursor{${l}:16px; opacity:.5; pointer-events:none; z-index:100; transition:.4s cubic-bezier(0.18, 0.89, 0.32, 1.28);
width: var(${l}); height: var(${l});
position:fixed; top:calc(-0.5 * var(--l));left:calc(-0.5 * var(--l)) }