@supports (animation-timeline:scroll()){body:not(:has([data-header-fixed-anchor])):not(:has([data-header-position=static])) .site-header{animation:1s step-end both header-scroll-bg;animation-timeline:scroll(root);animation-range:0 1px}}@supports not (animation-timeline:scroll()){body[data-fixed=true]:not(:has([data-header-position=static])) .site-header{background-color:var(--color-surface-primary);border-color:var(--color-border-secondary)}}body:has([data-search-page]) .site-header{pointer-events:none}body:has([data-search-page]) .site-header :is(a,button,[role=button]){pointer-events:auto}@keyframes header-scroll-bg{0%{background-color:#0000;border-color:#0000;border-bottom-width:1px}99.999%{background-color:#0000;border-color:#0000;border-bottom-width:1px}to{background-color:var(--color-surface-primary);border-color:var(--color-border-secondary)}}