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/* 备案信息单独占据页脚最后一行，并保持居中。 */
footer.wrap { flex-wrap: wrap; }
footer .beian-info {
  flex: 0 0 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 24px;
  padding-top: 18px;
  margin-top: 12px;
  border-top: 1px solid var(--line);
  color: #596750;
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}
footer .beian-info[hidden] { display: none; }
footer .beian-info a { display: inline-flex; align-items: center; gap: 6px; max-width: 100%; }
footer .beian-info a:hover { text-decoration: underline; text-underline-offset: 3px; }
footer .beian-info img { flex: 0 0 20px; object-fit: contain; }
@media (max-width: 600px) {
  footer .beian-info { flex-direction: column; gap: 8px; }
}