Dcat-Admin/resources/assets/dcat/sass/components/_menu.scss

.main-menu {
  .navbar-header {
    padding: 0.35rem 1rem 0;

    .navbar-brand {
      margin-top: 1.1rem;

      img {
        display: inline-block;
        max-width: 45px;
        max-height: 40px;
        margin-top: -1px;
      }
    }

    .logo-mini {
      display: none;
      font-size: 1.8rem;
      color: darken($primary-darker, 1%);
    }

    .logo-lg {
      color: darken($primary-darker, 1%);
      letter-spacing: 0.01rem;
      font-size: 1.55rem;
      -webkit-animation: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) 0s normal forwards 1 fadein;
      animation: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) 0s normal forwards 1 fadein;
    }

    .nav-item {
      width: 100%;
      text-align: center;
    }

    .navbar-brand {
      display: inline-block;
      margin: 10px 0;
    }
  }

  [class*='sidebar-dark-'] {
    .navbar-header {
      .logo-lg,.logo-mini {
        color: #f7f7f7;
      }
    }
  }
}

.main-menu.menu-light .navigation > li.active > a {
  box-shadow: 0 0 4px 1px rgba($primary, 0.7);
}

// 菜单
.main-menu.menu-shadow {
  box-shadow: $menu-shadow;
}

body.sidebar-collapse {
  .main-sidebar:not(:hover) {
    .navbar-header {
      width: 80px;
      padding: 0.35rem 15px;

      .logo-lg {
        display: none;
      }

      .logo-mini {
        display: inline-block;
      }
    }
  }
}

.main-sidebar {
  .nav-sidebar .nav-item > .nav-link {
    font-size: 1.05rem;
    border-radius: .1rem;
  }
}

.nav-pills .nav-link:not(.active):hover {
  color: $font-color;
}

[class*=sidebar-dark-] {
  .navbar-header {
    padding: 0 1rem 0;
    height: 62px;
    background: $body-darker-color;
  }

  .navbar-header .navbar-brand {
    margin: 8px 0;
  }
}