extra.css

h1 {
    font-weight: 1000;
    margin: 1em auto;
}
h2 {
    font-weight: 850;
    margin: 1em auto;
}
h3 {
    font-weight: 630;
    margin: 1em auto;
}
h4 {
    font-weight: 520;
    margin: 1em auto;
}
h5 {
    font-weight: 500;
    margin: 1em auto;
}
body {
    font-weight: 480;
}
blockquote {
    color: var(--bs-gray-600);
}
:root {
    --bs-body-font-family: "Noto Sans CJK SC","Noto Serif CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue","Noto Sans","Liberation Sans",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
    --bs-font-monospace: "Jetbrains Mono",SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New","Noto Sans CJK SC","Noto Serif CJK SC",monospace;
}
code {
    font-family: var(--bs-font-monospace);
}
pre code {
    font-family: var(--bs-font-monospace);
}