.journal-subnav {
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      border-bottom: 1px solid rgba(0, 0, 0, 0.06);
      background-color: #fff;
      padding: 0.75rem 0;
    }

    .journal-subnav-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 1rem;
    }

    .journal-subnav-title img {
      height: 40px !important;
      width: auto;
    }

    .journal-subnav-links {
      display: flex;
      flex-wrap: wrap;
      gap: 1.25rem;
      margin-bottom: 0;
    }

    .journal-subnav-item {
      list-style: none;
      position: relative;
    }

    .journal-subnav-link {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      padding: 0.35rem 0;
      color: #4a4f71;
      font-weight: 600;
      text-decoration: none;
      white-space: nowrap;
      border-bottom: 2px solid transparent;
      transition: color 0.2s ease, border-color 0.2s ease;
    }

    .journal-subnav-link:hover {
      color: #5f61ff;
      border-color: rgba(95, 97, 255, 0.35);
    }

    .journal-subnav-item.dropdown > .journal-subnav-link {
      position: relative;
      padding-right: 1.5rem;
    }

    .journal-subnav-item.dropdown > .journal-subnav-link::after {
      content: '';
      position: absolute;
      right: 0.15rem;
      top: 50%;
      width: 0.45rem;
      height: 0.45rem;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: translateY(-60%) rotate(45deg);
      transition: transform 0.2s ease;
    }

    .journal-subnav-item.dropdown.show > .journal-subnav-link::after {
      transform: translateY(-40%) rotate(225deg);
    }

    .journal-subnav-item .dropdown-menu {
      min-width: 220px;
    }

    .journal-subnav-dropdown-sublist {
      padding-left: 1.1rem;
      margin-bottom: 0.25rem;
    }

    .journal-subnav-dropdown-sublist .dropdown-item {
      padding-left: 0;
    }

    /* Toggle button for mobile */
    .journal-subnav-toggle {
      display: none;
      background: transparent;
      border: none;
      padding: 0.75rem 0.5rem;
      margin-right: 0.75rem;
      font-size: 1.25rem;
      color: #4a4f71;
      cursor: pointer;
      transition: color 0.2s ease;
      line-height: 1;
      align-self: center;
    }

    .journal-subnav-toggle:hover {
      color: #5f61ff;
    }

    .journal-subnav-toggle i {
      display: block;
      line-height: 1;
    }

    .journal-subnav-title {
      display: flex;
      align-items: center;
    }

    @media (max-width: 991px) {
      .journal-subnav-inner {
        flex-wrap: nowrap;
        align-items: center;
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
      }

      .journal-subnav-toggle {
        display: flex;
        align-items: center;
        order: 1;
      }

      .journal-subnav-title {
        order: 2;
        flex-grow: 1;
        margin-top: 0;
        margin-bottom: 0;
      }

      .journal-subnav-links {
        width: 100%;
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height 0.3s ease, opacity 0.3s ease;
        order: 3;
      }

      .journal-subnav-links.show {
        max-height: 1000px;
        opacity: 1;
        margin-top: 1rem;
      }

      .journal-subnav-link {
        width: 100%;
        justify-content: space-between;
        padding: 0.75rem 0;
      }

      .journal-subnav-item .dropdown-menu {
        width: 100%;
        position: static !important;
        transform: none !important;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
      }
    }