:root {
  --sys-font-family: -apple-system, "LXGW WenKai", 'Microsoft Yahei', 'WenQuanYi Micro Hei', sans-serif;
  --code-font-family: "JetBrains Mono", "LXGW WenKai Mono", Menlo, Monaco, Consolas, monospace;
  --article-font-family: "LXGW WenKai", sans-serif;
  --base-font-family: "LXGW WenKai", var(--sys-font-family), sans-serif
}