.official-bar{position:relative;gap:16px}.official-brand{flex-shrink:1}.official-nav{flex-shrink:0;flex-wrap:nowrap;gap:2px}.nav-item{position:relative;display:flex;align-items:center;white-space:nowrap}.nav-sub-toggle{border:0;background:transparent;color:#243149;font:inherit;font-weight:760;padding:8px 10px;border-radius:7px;cursor:pointer;display:flex;align-items:center;gap:6px;min-height:40px}.nav-item.is-active>.nav-sub-toggle,.nav-sub-toggle:hover{background:#eef4ff;color:var(--blue)}.official-nav a:focus-visible,.nav-sub-toggle:focus-visible,.nav-button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.official-nav a.nav-download{background:var(--blue);color:#fff;margin-left:8px}.nav-submenu{list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:8px;min-width:160px;box-shadow:0 12px 30px #15244020}.nav-submenu a{display:block}.nav-enhanced .nav-submenu{display:none;position:absolute;top:100%;right:0}.nav-enhanced .nav-item.is-open>.nav-submenu{display:block}.nav-button{border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;flex-shrink:0}
@media(min-width:1101px){.official-brand small{max-width:200px}.official-nav{position:static;display:flex;padding:0;border:0;box-shadow:none}.nav-button{display:none}}
@media(max-width:1100px){.official-brand small{display:none}.official-bar{min-height:64px}.nav-enhanced .nav-button{display:grid;width:42px;height:42px;place-content:center;gap:4px}.nav-button span{display:block;width:20px;height:2px;background:var(--ink);margin:0}.official-nav{display:flex;flex-wrap:wrap;position:static;gap:4px}.nav-enhanced .official-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--line);padding:8px;border-radius:8px;max-height:calc(100dvh - 80px);overflow-y:auto}.nav-enhanced .official-nav.is-open{display:block}.nav-item{flex-wrap:wrap;white-space:normal}.nav-item>a,.nav-sub-toggle{min-height:44px}.nav-enhanced .nav-submenu{position:static;width:100%;box-shadow:none;border:0;border-left:2px solid var(--line);margin:0 8px 6px 18px;min-width:0}.nav-submenu a{white-space:normal;overflow-wrap:anywhere}.nav-item:has(>.nav-sub-toggle)>a{flex:1}.official-nav a.nav-download{margin:4px 0;display:inline-block}.official-brand strong{max-width:calc(100vw - 136px);overflow:hidden;text-overflow:ellipsis}}

/* Without JavaScript, every configured destination remains reachable. */
.official-header:not(.nav-enhanced) .nav-button{display:none}
@media(max-width:1100px){.official-header:not(.nav-enhanced) .official-bar{flex-wrap:wrap}.official-header:not(.nav-enhanced) .official-nav{width:100%}.official-header:not(.nav-enhanced) .nav-submenu{position:static;box-shadow:none}.official-header:not(.nav-enhanced) .nav-item{align-items:flex-start}}