/* 提示訊息自動關閉（倒數文字＋進度條）：教學網站 base.html 與 FDM fdm_base.html 共用。edo_linux_023 */
.site-flash { position:relative; overflow:hidden; padding-bottom:calc(1rem + 3px); }
.site-flash .flash-count { float:right; margin:.1rem .4rem 0 .75rem; font-size:.78rem; opacity:.7; white-space:nowrap; font-variant-numeric:tabular-nums; }
.site-flash .flash-bar { position:absolute; left:0; right:0; bottom:0; height:3px; background:currentColor; opacity:.35; transform-origin:left center; transition:transform .2s linear; }
.site-flash.is-paused .flash-count::after { content:'（已暫停）'; }
@media (prefers-reduced-motion:reduce) { .site-flash .flash-bar { transition:none; } }