/* Logo 样式 */
  .logo-img {
    width: 200px;
    height: auto;
    max-width: 100%;
  }

  /* 调整导航布局使 logo 和菜单更紧凑 */
  .wk_lonav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
  }

  .wk_logo {
    flex-shrink: 0;
  }

  .wk_inav ul.nav {
    display: flex;
    gap: 15px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  /* 汉堡菜单按钮 */
  .wk_menu_toggle {
    display: none;
    font-size: 28px;
    cursor: pointer;
    padding: 10px;
  }

  /* 响应式设置 */
  @media (max-width: 768px) {
    .wk_menu_toggle {
      display: block;
    }

    .wk_inav ul.nav {
      display: none;
      flex-direction: column;
      background-color: #fff;
      border: 1px solid #ccc;
      padding: 10px;
      position: absolute;
      top: 80px;
      right: 10px;
      width: 180px;
      z-index: 999;
    }

    .wk_inav ul.nav.active {
      display: flex;
    }
  }