/* 软件定制二级菜单 — 全站导航共用（明亮风格） */
.nav-dropdown { position: relative; }

/* 悬停桥接区：消除触发按钮与菜单之间的空隙，避免鼠标移入时菜单消失 */
.nav-dropdown::after {
  content: '';
  position: absolute;
  left: -8px;
  right: -8px;
  top: 100%;
  height: 14px;
  display: none;
  z-index: 299;
}
.nav-dropdown:hover::after,
.nav-dropdown.open::after { display: block; }

.nav-dropdown-trigger {
  display: inline-flex; align-items: center; gap: 4px;
  background: none; border: none; cursor: pointer;
  font-family: inherit; padding: 0;
}
.nav-dropdown-trigger::after { display: none !important; }
.nav-dropdown:hover .nav-dropdown-trigger,
.nav-dropdown.open .nav-dropdown-trigger,
.nav-dropdown-trigger.active { color: #2B7FFF; font-weight: 700; }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  min-width: 168px;
  padding: 8px 0;
  background: #FFFFFF;
  border: 1px solid rgba(20,40,80,.10);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(20,40,80,.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s, visibility .22s, transform .22s;
  z-index: 300;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 11px 20px;
  color: #142033;
  font-size: 15px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s, background .2s;
}
.nav-dropdown-menu a::after { display: none !important; }
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active-sub { color: #2B7FFF; background: rgba(43,127,255,.08); }

.mm-sub-label {
  display: block;
  padding: 10px 24px 6px;
  color: #7A8A9E;
  font-size: 13px;
}