/* 公司注册子链接“注册流程与材料”样式。
   必须加载在 ddd-business-nav.css 与 ddd-business-nav-7items.css 之后。 */
@media screen and (min-width: 769px) {
  .ddd-business-nav-wrap { position: relative; z-index: 30; }
  .ddd-business-nav { overflow: visible; }
  .ddd-business-nav-scroll { overflow: visible; }

  .ddd-nav-group {
    position: relative;
    min-width: 0;
    border-left: 1px solid rgba(255, 255, 255, .2);
    box-shadow: -1px 0 0 rgba(10, 44, 68, .28);
  }

  .ddd-nav-group > .ddd-nav-parent-link { height: 44px; }
  .ddd-business-nav-scroll > .ddd-nav-group + a {
    border-left: 1px solid rgba(255, 255, 255, .2);
    box-shadow: -1px 0 0 rgba(10, 44, 68, .28);
  }

  .ddd-nav-arrow {
    width: 0;
    height: 0;
    margin-left: 7px;
    border-top: 5px solid currentColor;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
  }

  .ddd-nav-submenu {
    position: absolute;
    top: calc(100% + 1px);
    left: 50%;
    z-index: 40;
    width: 176px;
    padding: 6px;
    visibility: hidden;
    opacity: 0;
    background: #fff;
    border: 1px solid #d9e2e6;
    box-shadow: 0 12px 24px rgba(16, 57, 67, .18);
    transform: translate(-50%, 6px);
    transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
  }

  .ddd-nav-submenu a {
    min-height: 42px;
    padding: 0 14px;
    color: #173c54;
    background: #fff;
    border: 0 !important;
    box-shadow: none !important;
    font-size: 14px;
    line-height: 22px;
    white-space: normal;
  }

  .ddd-nav-submenu a:hover,
  .ddd-nav-submenu a:focus-visible,
  .ddd-nav-submenu a[aria-current="page"] {
    color: #153f61;
    background: #eef5f7;
  }

  .ddd-nav-group:hover .ddd-nav-submenu,
  .ddd-nav-group:focus-within .ddd-nav-submenu {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
  }

  .ddd-nav-sub-mobile { display: none !important; }
}

@media screen and (max-width: 768px) {
  .ddd-nav-group {
    min-width: 104px;
    flex: 0 0 104px;
  }

  .ddd-nav-group > .ddd-nav-parent-link {
    width: 100%;
    height: 44px;
  }

  .ddd-nav-arrow,
  .ddd-nav-submenu { display: none; }

  /* 手机端“注册流程”默认与其他导航项一致，仅在本页时高亮，避免看起来一直被选中。 */
  .ddd-business-nav .ddd-nav-sub-mobile {
    display: flex;
  }

  .ddd-business-nav .ddd-nav-sub-mobile[aria-current="page"] {
    color: var(--ddd-nav-active);
    background: var(--ddd-nav-blue-dark);
  }

  .ddd-business-nav-scroll > .ddd-nav-group,
  .ddd-business-nav-scroll > .ddd-nav-sub-mobile {
    border-left: 1px solid rgba(255, 255, 255, .2);
    box-shadow: -1px 0 0 rgba(10, 44, 68, .28);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ddd-nav-submenu { transition: none; }
}