* {
    font-family: "PingFang SC", miui, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Helvetica, sans-serif;
}

.markdown-section h1 {
    font-size: 1.8em;
}

.markdown-section h2 {
    font-size: 1.5em;
}

.markdown-section h3 {
    font-size: 1.3em;
}

.markdown-section h4 {
    font-size: 1.15em;
}

.markdown-section h5 {
    font-size: 1em;
}