/* ===== 导航栏 Logo ===== */

/* 让品牌区域在菜单栏中垂直居中 */
.menu li.left {
  display: flex;
  align-items: center;
}

.menu .left a.brand {
  display: block;
  line-height: 0;
  margin: 0;
  padding: 5px 5px 5px 0;
  text-decoration: none;
}

/* 悬停/聚焦时避免出现“灰底胶囊”，保留可访问性的焦点轮廓 */
.menu .left a.brand:hover {
  background: transparent;
}
.menu .left a.brand:focus-visible {
  background: transparent;
  outline: 2px solid darkslategray;
  outline-offset: 2px;
}

.site-logo {
  display: block;
  height: 2.2rem;
  width: auto;
}

@media (max-width: 800px) {
  .site-logo {
    height: 1.9rem;
  }
}