.social-share-wrap {
  padding: 0.5rem 0;
}
.social-share-label {
  font-size: 0.95rem;
  color: #666;
}
.social-share-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
  padding: 0;
}
.social-share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.social-share-btn i {
  font-size: 1rem;
}
/* X（原 Twitter）分享按钮：深色主题下改用品牌橙，保证按钮边界与图标可辨识度 */
.social-share-x {
  background-color: #E85A00;
  border: 1px solid #E85A00;
  color: #fff;
}
.social-share-x:hover,
.social-share-x:focus,
.social-share-x:focus-visible {
  background-color: #C94A00;
  border-color: #C94A00;
  color: #fff;
  box-shadow: 0 2px 10px rgba(232, 90, 0, 0.45);
}
.social-share-x-icon {
  width: 16px;
  height: 16px;
  display: block;
  fill: currentColor;
}
#socialShareQRCanvas {
  max-width: 240px;
  width: 100%;
  height: auto;
}