张鑫旭大佬分享一套字体设置集，针对不同的字体族，衬线字体，无衬线字体和等宽字体：

.font-sans    {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}
.font-serif {
    font-family: Georgia, Cambria, "Times New Roman", Times, serif;
}
.font-mono {
    font-family: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

来自：https://www.zhangxinxu.com/wordpress/2020/03/css-emoji-opentype-svg-fonts/