加载「霞鹜文楷」在线字体：

自定义样式：

body{font-family: "LXGW WenKai Screen", sans-serif !important;}

自定义JS脚本：

function changeFont() { 
  const link = document.createElement("link");
  link.rel = "stylesheet";
  link.type = "text/css";
  link.href = "https://cdn.staticfile.org/lxgw-wenkai-screen-webfont/1.6.0/lxgwwenkaiscreen.css";
  document.head.append(link);
};
changeFont()

设置 Favicon 图标为 emoji：

自定义JS脚本:

function changeFavicon() { 
    var link = document.head.querySelector("link[rel='icon']");
    link.href = "data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text x=%2250%%22 y=%2250%%22 style=%22dominant-baseline:central;text-anchor:middle;font-size:90px;%22>😸</text></svg>";
};
setTimeout(function() { changeFavicon()}, 500)