/* 站点 Logo：正方形与横向长方形均按比例缩放，不裁切、不撑满容器 */
img.site-logo,
.site-logo {
  display: block;
  max-height: var(--site-logo-height, 2.25rem);
  max-width: var(--site-logo-max-width, 11rem);
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: left center;
  flex-shrink: 0;
  border-radius: var(--site-logo-radius, 0);
}