:root { --site-navigation-height: 104px; --site-announcement-height: 66px; --site-announcement-offset: 0px; }
html:has(.site-navigation-header) { scrollbar-gutter: stable; }

.home-fixed-header.site-navigation-header {
  position: fixed; z-index: 120; inset: 0 0 auto;
  display: grid; grid-template-columns: 150px minmax(0, 1fr) 300px;
  align-items: center; gap: 16px; height: var(--site-navigation-height);
  padding: 0 28px; box-sizing: border-box; color: #f3efe6;
  background: linear-gradient(180deg, rgba(2, 5, 11, .96), rgba(2, 5, 11, .85));
  transition: none;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
.site-navigation-header .home-fixed-logo { display: inline-flex; width: 150px; }
.site-navigation-header .home-fixed-logo img { display: block; width: 100%; height: auto; }
.site-navigation-header .home-fixed-nav {
  display: flex; align-items: center; justify-content: safe center;
  min-width: 0; gap: clamp(12px, 1.5vw, 24px); padding-block: 18px;
  white-space: nowrap; overflow-x: auto; overflow-y: hidden; scrollbar-width: none;
  pointer-events: auto;
}
.site-navigation-header .home-fixed-nav::-webkit-scrollbar { display: none; }
.site-navigation-header .home-fixed-nav a {
  position: relative; flex: 0 0 auto; color: #c3c4c7; text-decoration: none;
  font-size: clamp(14px, 1.18vw, 18px); font-weight: 700; line-height: 1;
}
.site-navigation-header .home-fixed-nav a:hover,
.site-navigation-header .home-fixed-nav a[aria-current="page"] { color: #fffaf0; }
.site-navigation-header .home-fixed-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: -.9em;
  width: 2.4em; height: 2px; border-radius: 2px; transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, #e6c78f 26%, #f3efe6 50%, #e6c78f 74%, transparent);
  box-shadow: 0 0 12px rgba(230, 199, 143, .75);
}
.site-navigation-header a:focus-visible { outline: 2px solid #e6c78f; outline-offset: 4px; }
.digital-human-page > main { margin-top: var(--site-navigation-height); }
.community-library.is-site-theater { top: calc(var(--site-navigation-height) + var(--site-announcement-offset)); z-index: 110; }
@media (max-width: 820px) {
  :root { --site-navigation-height: 112px; }
  .home-fixed-header.site-navigation-header { grid-template-columns: 124px minmax(0, 1fr); grid-template-rows: 64px 48px; gap: 0 12px; padding: 0 18px; }
  .site-navigation-header .home-fixed-logo { grid-column: 1; grid-row: 1; width: 112px; }
  .site-navigation-header .home-fixed-actions { grid-column: 2; grid-row: 1; }
  .site-navigation-header .home-fixed-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; width: 100%; height: 48px; gap: 28px; padding-block: 14px; box-sizing: border-box; }
  .site-navigation-header .home-fixed-nav a { font-size: 15px; }
  .site-navigation-header .home-fixed-nav a[aria-current="page"]::after { bottom: -.65em; }
}


/* All destinations share the announcement above the navigation. */
body.site-announcement-enabled { padding-top: var(--site-announcement-offset); }
body.site-announcement-enabled.home-launch-announcement-open { --site-announcement-offset: var(--site-announcement-height); }
body .home-fixed-header.site-navigation-header { top: var(--site-announcement-offset); }
body > .home-launch-announcement { position: fixed; top: 0; left: 0; width: 100%; margin: 0; height: var(--site-announcement-height); z-index: 140; box-sizing: border-box; }
body > .home-launch-announcement[hidden] { display: none !important; }
.director-page .director-topbar { top: calc(var(--site-navigation-height) + var(--site-announcement-offset)); }
.director-page .director-app { height: calc(100vh - 72px - var(--site-navigation-height) - var(--site-announcement-offset)); }
.director-page .director-startup { top: calc(72px + var(--site-navigation-height) + var(--site-announcement-offset)); }
@media (max-width: 720px) {
  .director-page .director-app { height: calc(100vh - 64px - var(--site-navigation-height) - var(--site-announcement-offset)); }
  .director-page .director-startup { top: calc(64px + var(--site-navigation-height) + var(--site-announcement-offset)); }
}
@media (max-width: 620px) { :root { --site-announcement-height: 72px; } }
.site-navigation-header .home-fixed-actions {
  display: flex; align-items: center; justify-content: flex-end; min-width: 0;
  gap: 8px; width: 100%; padding: 0; white-space: nowrap; pointer-events: auto;
}
.site-navigation-header .home-fixed-actions > * { flex-shrink: 0; }
.site-navigation-header .home-member-points { font-variant-numeric: tabular-nums; }
@media (max-width: 820px) {
  .site-navigation-header .home-fixed-actions { gap: 3px; }
  .site-navigation-header .account-notification-button,
  .site-navigation-header .account-checkin-button { width: 28px; height: 32px; }
  .site-navigation-header .home-member-center { padding-inline: 2px; gap: 3px; }
  .site-navigation-header .home-member-center b { font-size: 11px; }
  .site-navigation-header .home-member-points { gap: 2px; font-size: 12px; }
}
/* Native page transitions keep independent workflows and browser history intact. */
@view-transition { navigation: auto; }
.site-navigation-header { view-transition-name: site-navigation; }
::view-transition-group(site-navigation) { animation-duration: 140ms; }
::view-transition-old(site-navigation) { animation: none; opacity: 0; }
::view-transition-new(site-navigation) { animation: none; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 140ms; }
@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none; }
}