/* One-row bilingual header and full-width, content-led dropdowns. */
.metop-site-header {
  --nav-ink: #111111;
  --nav-muted: #666666;
  --nav-line: #e6e6e6;
  --nav-accent: #142e90;
  background: #ffffff !important;
  border-bottom: 1px solid var(--nav-line) !important;
  box-shadow: none !important;
  letter-spacing: 0;
  position: relative;
  z-index: 100;
}

.metop-site-header .metop-header-inner {
  position: static;
  display: grid !important;
  grid-template-columns: 168px minmax(0, 1fr) max-content !important;
  gap: 24px !important;
  width: min(1760px, calc(100% - 64px)) !important;
  min-height: 80px !important;
  padding-block: 0 !important;
}

.metop-site-header .metop-brand,
.metop-site-header .metop-primary-nav,
.metop-site-header .metop-header-actions {
  grid-column: auto !important;
  grid-row: auto !important;
  min-width: 0;
}

.metop-site-header .metop-brand img {
  display: block;
  width: 160px !important;
  max-width: 100% !important;
  height: auto !important;
  object-fit: contain;
}

.metop-site-header .metop-primary-nav > ul {
  position: static;
  display: flex;
  align-items: center;
  justify-content: center !important;
  flex-wrap: nowrap;
  gap: 24px !important;
}

.metop-site-header .metop-primary-nav > ul > li {
  position: static;
  display: flex;
  align-items: center;
  gap: 0;
}

.metop-site-header .metop-primary-nav > ul > li > a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start !important;
  min-height: 80px;
  padding: 0 !important;
  color: var(--nav-ink) !important;
  background: transparent !important;
  border: 0 !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
}

.metop-site-header .metop-primary-nav > ul > li > a::after {
  display: none !important;
}

.metop-site-header .metop-primary-nav > ul > li > a:hover,
.metop-site-header .metop-primary-nav > ul > li.current-menu-item > a,
.metop-site-header .metop-primary-nav > ul > li.current-menu-ancestor > a,
.metop-site-header .metop-primary-nav > ul > li.metop-menu-open > a {
  color: var(--nav-accent) !important;
}

.metop-site-header .metop-primary-nav > ul > .metop-nav-space-item,
.metop-site-header .metop-primary-nav > ul > .menu-item-home,
.metop-site-header .metop-primary-nav > ul > .metop-nav-explore-item,
.metop-site-header .metop-header-actions > .metop-button--explore {
  display: none !important;
}

.metop-site-header .metop-header-actions {
  gap: 8px !important;
}

.metop-site-header .metop-header-actions .metop-button {
  border-radius: 6px !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  min-height: 40px !important;
  padding: 0 16px !important;
  white-space: nowrap;
  box-shadow: none !important;
}

.metop-site-header .metop-header-actions .metop-button--primary {
  background: #111111 !important;
  border-color: #111111 !important;
  color: #ffffff !important;
}

.metop-site-header .metop-header-actions .metop-button--primary:hover {
  background: #333333 !important;
  border-color: var(--nav-accent) !important;
  transform: none !important;
}

.metop-site-header .metop-header-actions .metop-button--secondary {
  background: #ffffff !important;
  border-color: #aaaaaa !important;
  color: var(--nav-ink) !important;
}

.metop-site-header .metop-header-actions .metop-button--secondary:hover {
  background: #f5f5f5 !important;
  border-color: var(--nav-accent) !important;
  color: var(--nav-accent) !important;
  transform: none !important;
}

.metop-site-header .metop-language-switcher {
  border-left: 1px solid var(--nav-line);
  font-size: 12px !important;
  gap: 6px !important;
  margin-left: 8px !important;
  padding-left: 16px;
  white-space: nowrap;
}

.metop-site-header .metop-language-switcher strong { color: var(--nav-ink) !important; }
.metop-site-header .metop-language-switcher a { color: var(--nav-muted) !important; }
.metop-site-header .metop-language-switcher a:hover { color: var(--nav-accent) !important; }

.metop-site-header .metop-menu-toggle,
.metop-site-header .metop-menu-toggle:hover,
.metop-site-header .metop-menu-toggle:focus {
  background: #ffffff !important;
  color: var(--nav-ink) !important;
  border-color: var(--nav-line) !important;
}

.metop-site-header .metop-primary-nav > ul > li .metop-nav-chevron { transform: rotate(0deg); }
.metop-site-header .metop-primary-nav > ul > li.metop-menu-open .metop-nav-chevron { transform: rotate(180deg); }

.metop-site-header .metop-primary-nav .metop-nav-submenu-toggle {
  position: static !important;
  display: inline-flex !important;
  width: 22px;
  height: 44px;
  min-width: 22px;
  margin-left: 2px;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: var(--nav-ink) !important;
  transform: none !important;
}

/* Visibility follows JS state, including Escape and keyboard navigation. */
.metop-site-header .metop-primary-nav > ul > li > .sub-menu {
  position: absolute !important;
  top: 100% !important;
  left: 0 !important;
  right: 0 !important;
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 24px;
  width: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  max-height: calc(100dvh - 120px);
  overflow-y: auto;
  margin: 0 !important;
  padding: 24px max(32px, calc((100% - 1320px) / 2)) !important;
  background: #ffffff !important;
  border: 0 !important;
  border-top: 1px solid var(--nav-line) !important;
  border-bottom: 1px solid var(--nav-line) !important;
  border-radius: 0 !important;
  box-shadow: 0 16px 24px rgb(0 0 0 / 6%) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(-4px) !important;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms !important;
}

.metop-site-header .metop-primary-nav > ul > li.metop-menu-open > .sub-menu {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: none !important;
}

.metop-site-header .metop-primary-nav .sub-menu > li {
  min-width: 0;
  opacity: 1 !important;
  transform: none !important;
  animation: none !important;
}

.metop-site-header .metop-primary-nav .sub-menu > li > a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  min-height: 104px;
  padding: 16px !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: 6px !important;
  white-space: normal;
  text-decoration: none;
}

.metop-site-header .metop-primary-nav .sub-menu > li > a:hover {
  background: #f5f5f5 !important;
  color: var(--nav-accent) !important;
}

.metop-site-header .metop-primary-nav .metop-nav-icon {
  width: 32px !important;
  height: 32px !important;
  color: var(--nav-accent) !important;
  background: transparent !important;
  border: 0 !important;
  font-size: 22px !important;
}

.metop-site-header .metop-primary-nav .metop-nav-item-title,
.metop-site-header .metop-primary-nav .metop-nav-item-title-zh,
.metop-site-header .metop-primary-nav .metop-nav-item-title-en {
  color: var(--nav-ink) !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  line-height: 1.45;
}

.metop-site-header .metop-primary-nav .metop-nav-item-description {
  color: var(--nav-muted) !important;
  font-size: 13px !important;
  line-height: 1.65;
}

.metop-site-header .metop-primary-nav .metop-nav-workbench-item > a {
  position: relative;
  grid-template-columns: 32px minmax(0, 1fr) 18px;
  background: #f7f8fb !important;
  border-color: #dfe3ee !important;
}

.metop-site-header .metop-primary-nav .metop-nav-workbench-item > a:hover,
.metop-site-header .metop-primary-nav .metop-nav-workbench-item > a:focus-visible {
  background: #ffffff !important;
  border-color: var(--nav-accent) !important;
}

.metop-site-header .metop-primary-nav .metop-nav-entry-kicker {
  display: block;
  margin-bottom: 2px;
  color: var(--nav-accent) !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  letter-spacing: .04em;
  line-height: 1.35;
}

.metop-site-header .metop-primary-nav .metop-nav-entry-title {
  display: inline-block;
  color: var(--nav-ink) !important;
  font-size: 15px !important;
  font-weight: 650 !important;
  line-height: 1.45;
}

.metop-site-header .metop-primary-nav .metop-nav-entry-arrow {
  align-self: start;
  color: var(--nav-accent) !important;
  font-size: 18px;
  line-height: 1;
}

/* Keep each product to one tile, with its working surface as a secondary
   action on the same tile instead of a duplicated standalone item. */
.metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-product-card.metop-nav-has-workbench {
  display: flex;
  flex-direction: column;
}

.metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-product-card > a.metop-nav-product-link {
  flex: 1 1 auto;
}

.metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-has-workbench > a.metop-nav-workbench-link {
  align-items: center;
  background: transparent !important;
  border: 0 !important;
  border-top: 1px solid var(--nav-line) !important;
  border-radius: 0 !important;
  display: flex !important;
  gap: 8px;
  grid-template-columns: none !important;
  margin: 0 16px 12px 64px;
  min-height: 28px !important;
  padding: 8px 0 0 !important;
  white-space: nowrap;
}

.metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-has-workbench > a.metop-nav-workbench-link:hover,
.metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-has-workbench > a.metop-nav-workbench-link:focus-visible {
  background: transparent !important;
  border-top-color: var(--nav-accent) !important;
  color: var(--nav-accent) !important;
}

.metop-site-header .metop-primary-nav .metop-nav-workbench-link .metop-nav-entry-title {
  font-size: 12px !important;
}

.metop-site-header .metop-primary-nav .metop-nav-workbench-link .metop-nav-entry-arrow {
  margin-left: auto;
}

.metop-site-header .metop-primary-nav > ul > li > .sub-menu {
  z-index: 1000;
}

.metop-site-header .metop-primary-nav .sub-menu > .metop-nav-overview {
  grid-column: 1 / -1;
  border-top: 1px solid var(--nav-line);
  margin-top: 8px;
  padding-top: 8px;
}

.metop-site-header .metop-primary-nav .sub-menu > .metop-nav-overview > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--nav-accent) !important;
  font-size: 14px;
  padding-block: 8px !important;
}

.metop-site-header a:focus-visible,
.metop-site-header button:focus-visible {
  outline: 2px solid var(--nav-accent) !important;
  outline-offset: 3px !important;
}

@media (min-width: 921px) and (max-width: 1180px) {
  .metop-site-header .metop-header-inner {
    grid-template-columns: 140px minmax(0, 1fr) max-content !important;
    gap: 16px !important;
    width: calc(100% - 40px) !important;
  }
  .metop-site-header .metop-primary-nav > ul { gap: 18px !important; }
  .metop-site-header .metop-primary-nav > ul > li > a { font-size: 13px !important; }
  .metop-site-header .metop-header-actions .metop-button--secondary { display: none !important; }
  .metop-site-header .metop-language-switcher { margin-left: 2px !important; padding-left: 10px; }
}

@media (max-width: 920px) {
  .metop-site-header .metop-header-inner {
    grid-template-columns: minmax(90px, 1fr) auto 44px !important;
    min-height: 72px !important;
    width: calc(100% - 40px) !important;
    gap: 10px !important;
  }
  .metop-site-header .metop-brand img { width: 144px !important; }
  .metop-site-header .metop-header-actions { gap: 6px !important; }
  .metop-site-header .metop-header-actions .metop-button--secondary { display: none !important; }
  .metop-site-header .metop-header-actions .metop-button--primary { min-height: 38px !important; padding-inline: 12px !important; }
  .metop-site-header .metop-language-switcher { margin-left: 0 !important; padding-left: 0; border: 0; }
  .metop-site-header .metop-menu-toggle { width: 44px; height: 44px; }
  .metop-site-header .metop-primary-nav {
    position: absolute !important;
    inset: 100% 0 auto !important;
    width: 100% !important;
    max-height: calc(100dvh - 104px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px 24px 24px !important;
    background: #ffffff !important;
    border-top: 1px solid var(--nav-line);
    box-shadow: 0 16px 24px rgb(0 0 0 / 6%);
  }
  .metop-site-header .metop-primary-nav > ul { display: block; }
  .metop-site-header .metop-primary-nav > ul > li { display: block; position: relative; }
  .metop-site-header .metop-primary-nav > ul > .metop-nav-explore-item { display: block !important; }
  .metop-site-header .metop-primary-nav > ul > li > a {
    display: flex;
    min-height: 52px;
    padding: 0 48px 0 0 !important;
    font-size: 15px !important;
  }
  .metop-site-header .metop-primary-nav .metop-nav-submenu-toggle {
    position: absolute !important;
    top: 4px !important;
    right: 0 !important;
    width: 44px;
    margin: 0;
  }
  .metop-site-header .metop-primary-nav > ul > li > .sub-menu {
    position: static !important;
    display: none !important;
    grid-template-columns: 1fr;
    gap: 0;
    max-height: none !important;
    overflow: visible;
    padding: 0 0 12px !important;
    border: 0 !important;
    box-shadow: none !important;
    transform: none !important;
    transition: none !important;
  }
  .metop-site-header .metop-primary-nav > ul > li.metop-menu-open > .sub-menu { display: grid !important; }
  .metop-site-header .metop-primary-nav .sub-menu > li > a {
    min-height: 88px;
    gap: 12px;
    padding: 12px 8px !important;
  }
  .metop-site-header .metop-primary-nav .metop-nav-item-title,
  .metop-site-header .metop-primary-nav .metop-nav-item-title-zh,
  .metop-site-header .metop-primary-nav .metop-nav-item-title-en { font-size: 14px !important; }
  .metop-site-header .metop-primary-nav .metop-nav-item-description { font-size: 12px !important; }
  .metop-site-header .metop-primary-nav .metop-nav-workbench-item > a {
    grid-template-columns: 36px minmax(0, 1fr) 18px;
    min-height: 92px;
  }
  .metop-site-header .metop-primary-nav .sub-menu > li.metop-nav-has-workbench > a.metop-nav-workbench-link {
    margin: 0 8px 8px 56px;
    min-height: 24px !important;
    padding-top: 6px !important;
  }
}

@media (max-width: 420px) {
  .metop-site-header .metop-header-inner { width: calc(100% - 24px) !important; gap: 6px !important; }
  .metop-site-header .metop-brand img { width: 124px !important; }
  .metop-site-header .metop-header-actions .metop-button--primary { font-size: 12px !important; padding-inline: 10px !important; }
  .metop-site-header .metop-language-switcher { font-size: 11px !important; gap: 4px !important; }
}

@media (prefers-reduced-motion: reduce) {
  .metop-site-header *, .metop-site-header *::before, .metop-site-header *::after {
    transition: none !important;
    animation: none !important;
  }
}