阿豪
if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
var cover = document.createElement("div");
let css = `
position: fixed;
pointer-events: none;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background-color: #FFFFFFE0;
mix-blend-mode: difference;
z-index: 9999;
`;
cover.setAttribute("style", css);
document.body.appendChild(cover);
}