.tmpl-archive-joint-solution {
  &__sub-nav {
    position: sticky;
    top: calc(var(--header-height, 0rem) + var(--admin-bar-height, 0rem));
    z-index: 1;
    background: #fff;
    padding-top: 30px;
  }
  .sub-nav__container {
    margin-bottom: 60px;
    display: flex;
    align-items: flex-end;
    gap: 40px;
  }
  .sub-nav__item {
    padding-bottom: 4px;
    flex: 1;
    a {
      display: block;
      opacity: 0.8;
      border-bottom: 2px solid var(--default-border-color);
      transition: all 0.2s;
      &.active {
        border-bottom: 2px solid #3639b9;
        opacity: 1;
      }
    }
  }
}