/* Shared header geometry and home reveal states from the approved 5503 design. */
header.public-site-header{height:82px;min-height:0;padding:0 2.4vw;display:grid;grid-template-columns:1fr auto 1fr;align-items:stretch;gap:20px;position:sticky;top:0;z-index:20;background:transparent;color:var(--paper);backdrop-filter:none;border-bottom:1px solid var(--line);transition:background .28s ease,color .28s ease,border-color .28s ease}
header.public-site-header:hover,header.public-site-header:focus-within{background:var(--paper);color:var(--black);border-color:#d8d5cf}
.public-site-header .brand{grid-column:2;grid-row:1;align-self:stretch;display:flex;align-items:center;justify-content:center;justify-self:stretch;padding:0 24px;font:20px var(--en);letter-spacing:.17em;white-space:nowrap}
.public-site-header .top-nav{display:flex;align-items:stretch;gap:0;width:auto;height:auto;min-height:0;border:0;margin:0}
.public-site-header .top-nav:first-of-type{grid-column:1;grid-row:1;justify-self:start}
.public-site-header .top-nav:last-of-type{grid-column:3;grid-row:1;justify-self:end}
.public-site-header .top-nav a{display:flex;align-items:center;justify-content:center;position:relative;flex:0 0 auto;padding:0 clamp(10px,1.25vw,21px);font:15px var(--en);white-space:nowrap;background:transparent;color:inherit;border:0;transition:background .25s,color .25s}
.public-site-header .top-nav a[aria-current=page]{background:#ffffff17}
.public-site-header:hover .top-nav a[aria-current=page],.public-site-header:focus-within .top-nav a[aria-current=page]{background:#00000012}
.public-site-header .top-nav a:hover,.public-site-header .top-nav a:focus-visible{background:#0000000d}
.public-site-header .top-nav .language{font-family:var(--zh);font-size:10px;letter-spacing:.05em}
.public-site-header .top-nav a[aria-current=page]::after,.public-site-header .top-nav a:hover::after,.public-site-header .top-nav a:focus-visible::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:1px;background:currentColor;pointer-events:none}
.home-view header.public-site-header{position:absolute;top:0;left:0;right:0;background:transparent;border-color:#ffffff38}
.home-view header.public-site-header:hover,.home-view header.public-site-header:focus-within{background:var(--paper);color:var(--black);border-color:#d8d5cf}
.retreat-nav-view header.public-site-header.home-nav-floating{position:fixed;top:0;opacity:1;background:var(--paper);color:var(--black);border-color:#d8d5cf;transition:opacity .22s ease,background .22s ease,color .22s ease}
header.public-site-header.home-nav-relocating{transition:none!important}
@media(min-width:901px) and (hover:hover) and (pointer:fine){.retreat-nav-view header.public-site-header.home-nav-floating:not(.home-nav-revealed):not(:focus-within){opacity:0;pointer-events:none}}
@media(max-width:900px){header.public-site-header{grid-template-columns:1fr;grid-template-rows:44px 44px 44px;gap:0;height:132px;padding:0 4vw}.public-site-header .brand{grid-column:1;grid-row:1;padding:0;font-size:18px}.public-site-header .top-nav:first-of-type{grid-column:1;grid-row:2;justify-self:stretch;justify-content:center;border-top:1px solid var(--line)}.public-site-header .top-nav:first-of-type a{flex:1;padding:0 8px;font-size:13px}.public-site-header .top-nav:last-of-type{grid-column:1;grid-row:3;justify-self:stretch;justify-content:center}.public-site-header .top-nav:last-of-type a{padding:0 16px;font-size:13px}.public-site-header .top-nav:last-of-type .language{font-size:10px}}
@media(prefers-reduced-motion:reduce){header.public-site-header,.public-site-header .top-nav a{transition:none!important}}

/* Inner catalogue pages scroll normally; homepage reveal behavior is separate. */
.catalogue-view header.public-site-header{position:relative;top:auto}

.catalogue-view header.public-site-header.home-nav-floating{position:fixed;top:0;left:0;right:0}