.navbar-box .search-extra .mobile-quick-menu {
  position: relative;
}

.navbar-box .search-extra .mobile-quick-menu > .mobile-quick-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.navbar-box .search-extra .mobile-quick-menu-toggle img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
}

.navbar-box .mobile-quick-menu-panel {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: -1.5rem;
  z-index: 1;
  width: 9rem;
  max-width: calc(100vw - 1rem);
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  padding: 0.625rem 0.75rem;
  box-sizing: border-box;
  border-radius: 0.3125rem;
  background: #111;
  box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.16);
  text-align: left;
}

.navbar-box .mobile-quick-menu-panel[hidden] {
  display: none;
}

.navbar-box .mobile-quick-menu-panel a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.5rem;
  color: #ddd;
  font-size: 0.875rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
}

.navbar-box .search-extra .mobile-quick-menu-panel a img {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  max-height: none;
  object-fit: contain;
}

.navbar-box .mobile-quick-menu-panel a:hover,
.navbar-box .mobile-quick-menu-panel a:focus-visible {
  color: #fff;
  background: #252525;
}

.navbar-box .search-extra .mobile-quick-menu-toggle:focus-visible {
  outline: 2px solid #ff9d00;
  outline-offset: 2px;
}

#side-toolbar-twitter .quick-menu-x-icon,
#nav-side-toolbar-twitter .quick-menu-x-icon {
  width: 1rem;
  height: 1rem;
  object-fit: contain;
  vertical-align: middle;
}

#nav-toolbar .side-toolbar .side-toolbar-list #side-toolbar-twitter {
  height: 2.5rem;
  justify-content: center;
}

#nav-toolbar .side-toolbar .side-toolbar-list > li {
  vertical-align: middle;
}

/* 与主题的 H5 顶栏断点一致，避免 768px 时桌面层遮住入口。 */
@media (max-width: 768px) {
  #ai-navigation-container #navbar {
    display: none;
  }

  body.use-navbar #ai-navigation-container .sidebar,
  body.use-navbar #ai-navigation-container #toggle-nav {
    display: block;
  }
}