/* Shared site navigation used by the homepage and every topic page. */
.topbar.site-header{height:60px;min-height:60px;padding:0 18px;display:flex;align-items:center;gap:18px;border-bottom:1px solid #e5eaf0;background:#fff}
.site-header .brand{display:inline-flex;flex:none;align-items:center;gap:8px;color:#172b4d;font-size:18px;font-weight:750;line-height:1;letter-spacing:-.045em;white-space:nowrap}
.site-header .brand-symbol{display:block;flex:none;width:40px;height:40px;object-fit:contain;background:transparent;border-radius:0}
.site-header .brand-wordmark{display:inline-flex;flex:none;width:auto;height:auto;align-items:baseline;gap:0;padding:0;background:transparent;object-fit:unset;font-size:19px;font-weight:400;line-height:1;letter-spacing:-.055em}
.site-header .brand-wordmark span:first-child{color:#102d52}
.site-header .brand-wordmark span:last-child{color:#ff6845}
.site-header .site-nav{display:flex;flex:1 1 auto;align-items:center;justify-content:flex-start;gap:8px;min-width:0;margin:0 auto 0 0}
.site-header .top-action{display:inline-flex;flex:none;align-items:center;justify-content:center;min-height:36px;margin-left:0;padding:0 14px;border:1px solid #dbe4ed;border-radius:7px;background:#fff;color:#344b68;font-size:12px;font-weight:650;white-space:nowrap}
.site-header .top-action:hover{border-color:#b9d2ed;background:#f6faff;color:#1769d2}
@media(max-width:1024px){.topbar.site-header{padding-inline:12px;gap:10px}.site-header .brand{gap:7px}.site-header .brand-symbol{width:37px;height:37px}.site-header .brand-wordmark{font-size:17px}.site-header .site-nav{gap:3px}}
@media(max-width:620px){.topbar.site-header{height:60px;min-height:60px;gap:6px;padding-inline:12px}.site-header .brand{gap:6px}.site-header .brand-symbol{width:32px;height:32px}.site-header .brand-wordmark{font-size:15px}.site-header .site-nav{gap:1px}.site-header .top-action{min-height:33px;padding-inline:8px;font-size:10px}}
@media(max-width:390px){.topbar.site-header{padding-inline:8px;gap:4px}.site-header .brand-wordmark{display:none}.site-header .top-action{padding-inline:6px;font-size:9px}}