/* MIB 示範列：四個示範站共用，讓示範站看得出是示範站。
   這是 MIB 的介面，不是示範站的主題，所以顏色是 MIB 自己的。 */
.mibbar{display:flex;align-items:center;gap:.875rem;flex-wrap:wrap;min-height:2.75rem;padding:.5rem 1.6rem;
  background:#16181D;color:#E8E6E0;font-family:-apple-system,'PingFang TC','Noto Sans TC','Microsoft JhengHei',sans-serif;
  font-size:.8125rem;font-weight:400;line-height:1.5;letter-spacing:.01em;text-decoration:none;
  border-bottom:1px solid #23282E;position:relative;z-index:200;}
.mibbar *{box-sizing:border-box;}
.mibbar-brand{display:flex;align-items:center;gap:.55rem;flex:none;}
.mibbar-brand b{font-weight:700;font-size:.8125rem;color:#fff;letter-spacing:.02em;}
.mibbar-lv{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:.6875rem;letter-spacing:.14em;color:#8B929B;flex:none;}
.mibbar-back{margin-left:auto;display:inline-flex;align-items:center;gap:.45rem;color:#B9C0C8;font-weight:600;font-size:.8125rem;transition:color 180ms ease;flex:none;}
.mibbar:hover .mibbar-back,.mibbar:focus-visible .mibbar-back{color:#FFFFFF;}
.mibbar:focus-visible{outline:2.5px solid #FFFFFF;outline-offset:-3px;}
@media (max-width:48em){.mibbar{padding:.6rem 1.1rem;gap:.6rem;}.mibbar-lv{display:none;}}
@media print{.mibbar{display:none;}}