:root {
  --platform-ink: #17191d;
  --platform-muted: #6d7279;
  --platform-soft: #f5f6f7;
  --platform-line: #e2e5e8;
  --platform-orange: #ff7900;
  --platform-orange-deep: #d76400;
  --platform-orange-soft: #fff1e5;
  --platform-content: 1480px;
}

html .platform-header {
  width: 100%;
  position: sticky;
  top: 0;
  left: auto;
  z-index: 900;
  min-height: 70px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(218, 222, 226, .86);
  border-radius: 0;
  background: rgba(255, 255, 255, .88);
  box-shadow: none;
  transform: none;
  backdrop-filter: blur(22px) saturate(125%);
  -webkit-backdrop-filter: blur(22px) saturate(125%);
}

html .platform-header-inner {
  width: min(calc(100% - 36px), var(--platform-content));
  min-height: 70px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
  padding: 0;
}

html .platform-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

html .platform-brand img {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border-radius: 12px;
  object-fit: cover;
}

html .platform-brand span {
  min-width: 0;
  display: grid;
  gap: 2px;
}

html .platform-brand strong {
  overflow: hidden;
  color: var(--platform-ink);
  font-size: 17px;
  font-weight: 950;
  line-height: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html .platform-brand em,
html .platform-brand small {
  overflow: hidden;
  color: var(--platform-muted);
  font-size: 14px;
  font-style: normal;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html .platform-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

html .platform-nav > a,
html .platform-nav > button,
html .platform-nav > .site-nav-dropdown > a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #555b62;
  font-size: 14px;
  font-weight: 780;
  line-height: normal;
  white-space: nowrap;
}

html .platform-nav > a:hover,
html .platform-nav > button:hover,
html .platform-nav > .site-nav-dropdown > a:hover {
  background: var(--platform-soft);
  color: var(--platform-ink);
}

html .platform-nav > a.active,
html .platform-nav > a.app-active,
html .platform-nav > a[aria-current="page"],
html .platform-nav > button.app-active,
html .platform-nav > button[aria-current="page"],
html .platform-nav > .site-nav-dropdown.active > a {
  background: var(--platform-orange-soft);
  color: var(--platform-orange-deep);
}

html .platform-nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

html .platform-nav-dropdown-toggle {
  width: 28px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #555b62;
  pointer-events: auto;
}

html .platform-nav-dropdown-toggle:hover,
html .platform-nav-dropdown-toggle:focus-visible {
  background: var(--platform-soft);
  color: var(--platform-ink);
  outline: none;
}

html .platform-nav-dropdown-toggle svg {
  width: 13px;
  height: 13px;
  display: block;
  fill: currentColor;
  transition: transform .18s ease;
}

html .platform-nav-dropdown.is-open > .platform-nav-dropdown-toggle svg {
  transform: rotate(180deg);
}

html .platform-nav-submenu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 980;
  min-width: 210px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--platform-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 22px 60px rgba(15, 20, 28, .16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

html .platform-nav-submenu > a {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 0 11px;
  border-radius: 9px;
  color: #555b62;
  font-size: 13px;
  font-weight: 760;
  white-space: nowrap;
}

html .platform-nav-submenu > a:hover,
html .platform-nav-submenu > a:focus-visible {
  background: var(--platform-soft);
  color: var(--platform-ink);
  outline: none;
}

html .platform-nav-dropdown:hover > .platform-nav-submenu,
html .platform-nav-dropdown:focus-within > .platform-nav-submenu,
html .platform-nav-dropdown.is-open > .platform-nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

html .platform-footer-nav > .platform-nav-dropdown > .platform-nav-submenu {
  top: auto;
  bottom: calc(100% + 8px);
  transform: translateY(6px);
}

html .platform-footer-nav > .platform-nav-dropdown:hover > .platform-nav-submenu,
html .platform-footer-nav > .platform-nav-dropdown:focus-within > .platform-nav-submenu,
html .platform-footer-nav > .platform-nav-dropdown.is-open > .platform-nav-submenu {
  transform: translateY(0);
}

html .platform-account-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 10px 3px 4px;
  border: 1px solid rgba(255, 121, 0, .28);
  border-radius: 999px;
  background: #fff;
  color: var(--platform-ink);
  box-shadow: none;
  font-size: 14px;
  font-weight: 800;
}

html .platform-account-action:hover {
  border-color: rgba(255, 121, 0, .45);
  background: #fff7ef;
  color: var(--platform-ink);
  box-shadow: none;
  transform: none;
}

html .platform-account-avatar {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--platform-orange);
  color: #fff;
  font-size: 14px;
  font-weight: 850;
}

html .platform-footer {
  width: min(calc(100% - 44px), 1320px);
  min-height: 104px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  margin: 46px auto 0;
  padding: 24px 0;
  border: 0;
  border-top: 1px solid var(--platform-line);
  border-radius: 0;
  background: transparent;
  color: var(--platform-muted);
}

html .platform-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

html .platform-footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  object-fit: cover;
}

html .platform-footer-brand span {
  display: grid;
  gap: 2px;
}

html .platform-footer-brand strong {
  color: var(--platform-ink);
  font-size: 14px;
}

html .platform-footer-brand small,
html .platform-footer-copy {
  color: var(--platform-muted);
  font-size: 12px;
}

html .platform-footer-nav {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

html .platform-footer-nav a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border-radius: 9px;
  color: #555b62;
  font-size: 12.5px;
  font-weight: 780;
}

html .platform-footer-nav a:hover,
html .platform-footer-nav a:focus-visible {
  background: var(--platform-soft);
  color: var(--platform-ink);
  outline: none;
}

@media (max-width: 1100px) {
  html .platform-header-inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 10px 0 8px;
  }

  html .platform-brand em,
  html .platform-brand small {
    display: none;
  }
}

@media (max-width: 980px) {
  html .sai-home-header.platform-header .platform-header-inner {
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 10px;
    padding: 10px 0;
  }

  html .sai-home-header.platform-header .platform-nav,
  html .sai-home-header.platform-header .sai-home-header-actions {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
    gap: 7px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: max-height .34s ease, opacity .24s ease, transform .24s ease, visibility .24s ease;
  }

  body.sai-menu-open .sai-home-header.platform-header .platform-nav,
  body.sai-menu-open .sai-home-header.platform-header .sai-home-header-actions {
    max-height: min(620px, calc(100svh - 92px));
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  html .sai-home-header.platform-header .platform-nav > a,
  html .sai-home-header.platform-header .platform-nav-dropdown,
  html .sai-home-header.platform-header .platform-account-action {
    width: 100%;
  }

  html .sai-home-header.platform-header .platform-nav-dropdown {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  html .sai-home-header.platform-header .platform-nav-dropdown > a {
    justify-content: center;
  }

  html .sai-home-header.platform-header .platform-nav-submenu {
    position: static;
    grid-column: 1 / -1;
    min-width: 0;
    margin-top: 4px;
    box-shadow: none;
    transform: translateY(-4px);
  }
}

@media (max-width: 680px) {
  html .platform-header-inner {
    width: min(calc(100% - 20px), var(--platform-content));
    min-height: 62px;
  }

  html .platform-brand span {
    display: none;
  }

  html .platform-brand img {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  html .app-topbar.platform-header .platform-nav {
    display: none;
  }

  html .platform-footer {
    width: calc(100% - 32px);
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
    gap: 14px;
    margin-top: 32px;
  }

  html .platform-footer-nav {
    justify-content: flex-start;
  }
}