.site-share-trigger {
  position: fixed;
  right: clamp(16px, 3vw, 36px);
  bottom: calc(22px + env(safe-area-inset-bottom));
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 17px 0 13px;
  border: 1px solid rgba(217, 166, 77, .78);
  border-radius: 999px;
  background: rgba(3, 20, 38, .92);
  color: #f4cf82;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28), inset 0 0 0 1px rgba(255, 255, 255, .04);
  backdrop-filter: blur(14px);
  font: 700 14px/1 "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: .04em;
  cursor: pointer;
  transition: transform .22s ease, color .22s ease, background .22s ease, box-shadow .22s ease;
}

.site-share-trigger:hover,
.site-share-trigger:focus-visible {
  transform: translateY(-3px);
  outline: none;
  background: linear-gradient(110deg, #c58b2e, #f1ca70);
  color: #071729;
  box-shadow: 0 16px 34px rgba(217, 166, 77, .24);
}

.site-share-trigger-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font: 700 15px/1 system-ui, sans-serif;
}

.site-share-trigger-label {
  white-space: nowrap;
}

@media (max-width: 720px) {
  .site-share-trigger {
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom));
    width: 46px;
    min-height: 46px;
    padding: 0;
    justify-content: center;
    gap: 0;
  }

  .site-share-trigger-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }
}

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