.site-topbar {
  background: rgba(255, 254, 249, 0.94);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(72, 84, 61, 0.16);
  box-shadow: 0 1px 12px rgba(32, 38, 28, 0.10);
}

.site-nav {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(72, 84, 61, 0.20);
  border-radius: 8px;
  background: rgba(244, 247, 238, 0.88);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  white-space: nowrap;
}

.site-nav__link {
  position: relative;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border-radius: 5px;
  color: #60705a;
  font-family: "Songti SC", "Noto Serif SC", serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.site-nav__link:hover {
  color: #20261c;
  background: rgba(63, 152, 123, 0.09);
}

.site-nav__link[aria-current="page"] {
  padding-left: 25px;
  color: #fffef9;
  background: #20261c;
  box-shadow: inset 0 0 0 1px rgba(216, 170, 78, 0.88);
}

.site-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 11px;
  width: 6px;
  height: 6px;
  background: #d8aa4e;
  box-shadow: 0 0 0 2px rgba(216, 170, 78, 0.18);
  transform: rotate(45deg);
}

.site-nav__link:focus-visible {
  outline: 3px solid rgba(63, 152, 123, 0.42);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .site-nav__link { transition: none; }
}

@media (max-width: 640px) {
  .site-nav { padding: 2px; }

  .site-nav__link {
    min-height: 30px;
    padding: 0 8px;
    font-size: 12px;
  }

  .site-nav__link[aria-current="page"] { padding-left: 19px; }

  .site-nav__link[aria-current="page"]::before {
    left: 8px;
    width: 5px;
    height: 5px;
  }
}