/* 全站字体唯一入口。只保留两个角色；系统回退顺序保持既有配置。 */
:root {
  --font-display: "Iowan Old Style", "Palatino Linotype", "Songti SC", "STSong", Georgia, serif;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
/* Server marks public HTML; backend documents are deliberately not marked. */
:where(html[data-mx-typography]) body { font-family: var(--font-ui); }
:where(html[data-mx-typography]) :is(h1,h2,h3,h4,h5,h6,[role="heading"],.font-display) { font-family: var(--font-display); }
:where(html[data-mx-typography]) :is(button,input,select,textarea,optgroup,label,.font-ui) { font-family: var(--font-ui); }
:where(html[data-mx-typography]) :is(input,textarea)::placeholder { font-family: inherit; }