/* 社交图标通用样式 */
.social-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 微博专属悬停色 */
a:hover .fa-weibo {
  color: #e6162d !important;
}

/* 统一图片悬停反馈 */
a:hover img {
  opacity: 0.8;
  filter: brightness(1.1);
}