:root {
    --site-readable-font: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Segoe UI", Arial, sans-serif;
}

html,
body,
button,
input,
select,
textarea {
    font-family: var(--site-readable-font) !important;
}

html,
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}