/* Final shared header contract. Page styles must not create header variants. */
html body[class] {
  --tongyi-header-height: 72px;
  --tongyi-header-logo-width: 151px;
  --tongyi-header-logo-height: 40px;
  --tongyi-breadcrumb-height: 58px;
  --tongyi-breadcrumb-inner-height: 56px;
}

/* One breadcrumb height contract for every inner page. */
html body[class] .site-breadcrumbs {
  height: var(--tongyi-breadcrumb-height);
  min-height: var(--tongyi-breadcrumb-height);
  max-height: var(--tongyi-breadcrumb-height);
  padding-block: 0;
  box-sizing: border-box;
}

html body[class] .site-breadcrumbs__inner {
  height: var(--tongyi-breadcrumb-inner-height);
  min-height: var(--tongyi-breadcrumb-inner-height);
  max-height: var(--tongyi-breadcrumb-inner-height);
  box-sizing: border-box;
}

html body[class] .site-header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: var(--tongyi-header-height);
  min-height: var(--tongyi-header-height);
  color: #3e495a;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid #edf0f3;
  box-shadow: none;
}

html body[class] .site-header.site-header .header-inner,
html body[class] .site-header.site-header .shell {
  width: min(100%, 2100px);
  max-width: 2100px;
  height: var(--tongyi-header-height);
  min-height: var(--tongyi-header-height);
  display: flex;
  align-items: center;
  margin-inline: auto;
  padding-inline: clamp(24px, 3.78vw, 90px);
  box-sizing: border-box;
}

html body[class] .site-header.site-header .brand {
  width: var(--tongyi-header-logo-width);
  height: var(--tongyi-header-logo-height);
  flex: 0 0 auto;
}

html body[class] .site-header.site-header .brand a,
html body[class] .site-header.site-header .brand img {
  width: 100%;
  height: 100%;
  max-height: var(--tongyi-header-logo-height);
  display: block;
  object-fit: contain;
  filter: none;
}

@media (min-width: 1025px) {
  html body[class] .site-header.site-header .nav-toggle {
    display: none;
  }

  html body[class] .site-header.site-header .header-navigation {
    position: static;
    inset: auto;
    max-height: none;
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(22px, 2.81vw, 67px);
    padding: 0;
    overflow: visible;
    background: transparent;
    border: 0;
    box-shadow: none;
    transform: none;
    visibility: visible;
  }

  html body[class] .site-header.site-header .primary-nav {
    min-width: 0;
  }

  html body[class] .site-header.site-header .menu {
    display: flex;
    align-items: center;
    gap: clamp(16px, 1.72vw, 41px);
    margin: 0;
  }

  html body[class] .site-header.site-header .menu a {
    height: var(--tongyi-header-height);
    min-height: var(--tongyi-header-height);
    display: flex;
    align-items: center;
    padding: 0;
    color: #263244;
    font-size: var(--font-size-header-control);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
  }

  html body[class] .site-header.site-header .header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 0;
  }

  html body[class] .site-header.site-header .header-search {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    color: #536071;
  }

  html body[class] .site-header.site-header .header-search svg {
    width: 16px;
    height: 16px;
  }

  html body[class] .site-header.site-header .language-switcher summary {
    min-width: 0;
    min-height: 32px;
    gap: 5px;
    padding: 0;
    color: #566274;
    border: 0;
    border-radius: 0;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
  }

  html body[class] .site-header.site-header .language-switcher summary > svg:first-child {
    width: 13px;
    height: 13px;
  }

  html body[class] .site-header.site-header .nav-quote {
    width: auto;
    min-width: 138px;
    min-height: 36px;
    gap: 10px;
    padding: 8px 19px;
    color: #fff;
    background: var(--c-brand);
    border-radius: 4px;
    font-size: var(--font-size-header-control);
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
  }

  html body[class] .site-header.site-header .nav-quote svg {
    width: 14px;
    height: 14px;
  }
}

@media (max-width: 1366px) {
  html body[class] {
    --tongyi-header-height: 68px;
    --tongyi-header-logo-width: 138px;
    --tongyi-header-logo-height: 36px;
  }

  html body[class] .site-header.site-header .header-inner,
  html body[class] .site-header.site-header .shell {
    padding-inline: 20px;
  }

  html body[class] .site-header.site-header .nav-toggle {
    display: inline-flex;
  }

  html body[class] .site-header.site-header .header-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: block;
    max-height: calc(100dvh - var(--tongyi-header-height));
    padding: 18px 20px 22px;
    overflow-y: auto;
    background: #fff;
    border-bottom: 1px solid #edf0f3;
    box-shadow: 0 16px 32px rgba(15, 23, 42, .1);
    transform: translateY(-120%);
    visibility: hidden;
  }

  html body[class] .site-header.site-header .header-navigation.is-open {
    transform: translateY(0);
    visibility: visible;
    background: rgba(7, 19, 33, .97);
  }

  html body[class] .site-header.site-header .header-navigation.is-open :is(.menu a, .language-switcher summary, .header-search) {
    color: #fff;
  }

  html body[class] .site-header.site-header .primary-nav {
    width: 100%;
  }

  html body[class] .site-header.site-header .menu {
    display: block;
    margin: 0;
  }

  html body[class] .site-header.site-header .menu a {
    height: 44px;
    min-height: 44px;
    padding: 0;
    font-size: 14px;
  }

  html body[class] .site-header.site-header .header-tools {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 10px;
  }

  html body[class] .site-header.site-header .header-search {
    width: 40px;
    height: 40px;
  }

  html body[class] .site-header.site-header .language-switcher summary {
    min-height: 40px;
    padding: 0 6px;
    border-radius: 4px;
    font-size: 13px;
  }

  html body[class] .site-header.site-header .nav-quote {
    min-width: 0;
    min-height: 40px;
    padding: 8px 16px;
    font-size: 13px;
  }
}

html body[class] .site-header.site-header .menu .current-menu-item > a,
html body[class] .site-header.site-header .menu .current-menu-ancestor > a,
html body[class] .site-header.site-header .menu .current_page_item > a,
html body[class] .site-header.site-header .menu a:hover {
  color: var(--c-brand);
}

html body.admin-bar .site-header.site-header {
  top: 32px;
}

@media (max-width: 1024px) {
  html body[class] {
    --tongyi-header-height: 64px;
    --tongyi-header-logo-width: 132px;
    --tongyi-header-logo-height: 35px;
  }

  html body[class] .site-header.site-header .header-inner,
  html body[class] .site-header.site-header .shell {
    width: 100%;
    max-width: none;
    height: var(--tongyi-header-height);
    min-height: var(--tongyi-header-height);
    padding-inline: 16px;
  }

  html body[class] .site-header.site-header .brand {
    width: var(--tongyi-header-logo-width);
    height: var(--tongyi-header-logo-height);
  }

  html body[class] .site-header.site-header .nav-toggle {
    width: 44px;
    height: 44px;
    min-height: 44px;
    flex: 0 0 44px;
  }

  html body[class] .site-header.site-header .header-navigation {
    position: absolute;
    right: 0;
    bottom: auto;
    left: 0;
    top: 100%;
    inset-block-start: 100%;
    max-height: calc(100dvh - var(--tongyi-header-height));
    overflow-y: auto;
  }

  html body[class] .site-header.site-header .menu a {
    min-height: 44px;
    font-size: var(--font-size-header-nav-mobile);
  }

  html body[class] .site-header.site-header .nav-quote {
    min-height: 44px;
    font-size: var(--font-size-header-control);
  }
}

@media (max-width: 760px) {
  html body[class] {
    --tongyi-breadcrumb-height: 48px;
    --tongyi-breadcrumb-inner-height: 48px;
  }
}

@media (max-width: 782px) {
  html body.admin-bar .site-header.site-header {
    top: 46px;
  }
}

/* Beat legacy page-qualified header rules while keeping one shared contract. */
@media (min-width: 1025px) {
  html body[class] .site-header.site-header.site-header .header-inner,
  html body[class] .site-header.site-header.site-header .shell {
    width: min(100%, 2100px);
    max-width: 2100px;
    height: var(--tongyi-header-height);
    min-height: var(--tongyi-header-height);
    padding-inline: clamp(24px, 3.78vw, 90px);
    box-sizing: border-box;
  }

  html body[class] .site-header.site-header.site-header .menu a {
    height: var(--tongyi-header-height);
    min-height: var(--tongyi-header-height);
    padding: 0;
    font-size: var(--font-size-header-control);
    font-weight: var(--font-weight-semibold);
  }

  html body[class] .site-header.site-header.site-header .header-tools {
    gap: 10px;
  }

  html body[class] .site-header.site-header.site-header .header-search {
    width: 30px;
    height: 30px;
  }

  html body[class] .site-header.site-header.site-header .language-switcher summary {
    min-height: 32px;
    padding: 0;
    font-size: var(--font-size-caption);
  }

  html body[class] .site-header.site-header.site-header .nav-quote {
    min-width: 138px;
    min-height: 36px;
    padding: 8px 19px;
    font-size: var(--font-size-header-control);
    font-weight: var(--font-weight-bold);
  }
}

@media (max-width: 1366px) {
  html body[class] .site-header.site-header .nav-toggle {
    display: inline-flex !important;
  }

  html body[class] .site-header.site-header .header-navigation {
    position: absolute !important;
    top: 100% !important;
    right: 0 !important;
    left: 0 !important;
    display: block !important;
    max-height: calc(100dvh - var(--tongyi-header-height)) !important;
    padding: 18px 20px 22px !important;
    overflow-y: auto !important;
    background: #fff !important;
    border-bottom: 1px solid #edf0f3 !important;
    box-shadow: 0 16px 32px rgba(15, 23, 42, .1) !important;
    transform: translateY(-120%) !important;
    visibility: hidden !important;
  }

  html body[class] .site-header.site-header .header-navigation.is-open {
    transform: translateY(0) !important;
    visibility: visible !important;
  }

  html body[class] .site-header.site-header .primary-nav {
    width: 100% !important;
  }

  html body[class] .site-header.site-header .menu {
    display: block !important;
    margin: 0 !important;
  }

  html body[class] .site-header.site-header .header-tools {
    width: 100% !important;
    justify-content: flex-start !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    padding-top: 10px !important;
  }
}