/* v93: Header hover bright frosted glass. Header only. Other sections unchanged. */

/* 滑鼠移上去：改為亮色霧面玻璃感，不偏黃、不變深，保持文字可讀 */
.site-header .top-nav a:hover,
.site-header .top-nav a:focus-visible{
  color:#172033!important;
  background:linear-gradient(135deg, rgba(255,255,255,.82), rgba(236,250,255,.64))!important;
  box-shadow:
    0 9px 20px rgba(15,23,42,.08),
    inset 0 0 0 1px rgba(255,255,255,.72),
    inset 0 -10px 20px rgba(214,236,255,.20)!important;
  backdrop-filter:blur(14px) saturate(1.08)!important;
  -webkit-backdrop-filter:blur(14px) saturate(1.08)!important;
  transform:translateY(-1px)!important;
}

.site-header .top-nav a::after{
  background:linear-gradient(90deg, rgba(125,211,252,.42), rgba(94,234,212,.36), rgba(255,255,255,.48))!important;
  opacity:.52!important;
}

.site-header .top-nav a:hover::after,
.site-header .top-nav a:focus-visible::after{
  opacity:.72!important;
}