.official-site-header{--navigation-brand: #9a1e23;--navigation-ink: #25252b;--navigation-muted: #71717a;--navigation-line: #e9e5e5;--navigation-tint: #faf1f1;--navigation-surface: #fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--navigation-line);color:var(--navigation-ink);background:var(--navigation-surface)}.official-site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}.official-site-header__brand{display:inline-flex;flex-shrink:0;align-items:center;gap:12px;color:var(--navigation-brand)}.official-site-header__toggle{display:none}.official-site-header__navigation{display:flex;align-items:center;gap:20px;font-family:Helvetica Neue,Arial,PingFang TC,Microsoft JhengHei,system-ui,sans-serif}.official-site-header__language{padding-left:20px;border-left:1px solid var(--navigation-line)}.official-site-header__language-label{display:none}.official-site-header__language button{min-height:42px;border-radius:999px;font-size:16px}.official-site-header__opening-registration{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 16px;border:1px solid var(--navigation-brand);border-radius:999px;color:var(--navigation-surface);background:var(--navigation-brand);font-size:16px;font-weight:600;line-height:24px;white-space:nowrap;transition:background-color .16s ease,border-color .16s ease}.official-site-header__opening-registration:is(:hover,:focus-visible){border-color:#7f171e;background:#7f171e}.official-site-header__opening-registration svg{flex-shrink:0}.official-site-header__opening-arrow{transition:transform .16s ease}.official-site-header__opening-registration:hover .official-site-header__opening-arrow{transform:translate(2px)}.official-site-header :is(a,button):focus-visible{outline:2px solid var(--navigation-brand);outline-offset:4px;border-radius:12px}.dropdown-navigation{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none}.dropdown-navigation__item{position:relative}.dropdown-navigation__trigger{position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 14px;border-radius:999px;color:var(--navigation-ink);font-size:16px;font-weight:600;line-height:24px;white-space:nowrap;cursor:pointer;transition:color .16s ease}.dropdown-navigation__trigger:is(:hover,:focus-visible,[aria-current],[aria-expanded=true],[data-active]){color:var(--navigation-brand)}.dropdown-navigation__highlight{position:absolute;z-index:-1;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:var(--navigation-tint);pointer-events:none}.dropdown-navigation__chevron{flex-shrink:0;transition:transform .18s ease}.dropdown-navigation__trigger[aria-expanded=true] .dropdown-navigation__chevron{transform:rotate(180deg)}.dropdown-navigation__panel-position{position:absolute;right:0;top:100%;z-index:2;width:max-content;max-width:min(680px,calc(100vw - 48px));padding-top:14px}.dropdown-navigation__panel{display:flex;gap:20px;padding:16px;border:1px solid var(--navigation-line);border-radius:18px;background:var(--navigation-surface);box-shadow:0 18px 48px -12px #310a0e29,0 4px 12px #310a0e0a}.dropdown-navigation__group{min-width:0;flex:1}.dropdown-navigation__heading{margin:2px 10px 10px;color:var(--navigation-muted);font-size:12px;font-weight:600;letter-spacing:.06em}.dropdown-navigation__links{display:grid;gap:4px;margin:0;padding:0;list-style:none}.dropdown-navigation__link{display:flex;align-items:center;gap:12px;padding:12px 10px;border-radius:12px;transition:background-color .16s ease}.dropdown-navigation__link:is(:hover,:focus-visible,[aria-current]){background:var(--navigation-tint)}.dropdown-navigation__icon{display:grid;place-items:center;flex-shrink:0;width:40px;height:40px;border:1px solid var(--navigation-line);border-radius:11px;color:var(--navigation-brand);background:var(--navigation-surface);transition:background-color .16s ease,border-color .16s ease}.dropdown-navigation__link:is(:hover,:focus-visible) .dropdown-navigation__icon{border-color:#9a1e2326;background:var(--navigation-tint)}.dropdown-navigation__copy{display:grid;gap:3px;min-width:0}.dropdown-navigation__link-label{color:var(--navigation-ink);font-size:16px;font-weight:600;line-height:24px}.dropdown-navigation__description{max-width:270px;color:var(--navigation-muted);font-size:13px;line-height:20px}.dropdown-navigation__arrow{margin-left:auto;flex-shrink:0;color:var(--navigation-brand);opacity:0;transform:translate(-2px,2px);transition:opacity .16s ease,transform .16s ease}.dropdown-navigation__link:is(:hover,:focus-visible) .dropdown-navigation__arrow{opacity:1;transform:none}@media (min-width: 104rem){.dropdown-navigation__trigger{font-size:18px}}@media (min-width: 84rem) and (max-width: 103.999rem){.official-site-header[data-language=en] .official-site-header__brand>span{font-size:24px}.official-site-header__navigation{gap:12px}.official-site-header__language{padding-left:12px}.dropdown-navigation{gap:0}.dropdown-navigation__trigger{padding-inline:10px}.official-site-header__opening-registration{padding-inline:12px}}@media (min-width: 104rem){.dropdown-navigation{gap:6px}.dropdown-navigation__trigger{padding-inline:17px}}@media (max-width: 83.999rem){.official-site-header[data-navigation-open=true]{z-index:90}.official-site-header__toggle{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border:1px solid var(--navigation-line);border-radius:14px;color:var(--navigation-brand);cursor:pointer}.official-site-header__toggle[aria-expanded=true]{background:var(--navigation-tint)}.official-site-header__navigation{display:none;position:absolute;top:100%;left:0;right:0;max-height:calc(100dvh - 68px);overflow-y:auto;overscroll-behavior:contain;padding:12px 20px 20px;border-bottom:1px solid var(--navigation-line);background:var(--navigation-surface);box-shadow:0 18px 24px -20px #310a0e38}.official-site-header__navigation[data-open=true]{display:block;animation:official-navigation-enter .18s ease-out}.dropdown-navigation{display:flex;flex-direction:column;align-items:stretch;gap:2px}.dropdown-navigation__trigger{justify-content:space-between;width:100%;min-height:48px;padding:12px 14px;border-radius:12px;font-size:16px}.dropdown-navigation__panel-position{position:relative;top:auto;right:auto;width:100%;max-width:none;padding:4px 0 10px}.dropdown-navigation__panel{flex-direction:column;gap:12px;padding:12px 8px;border-radius:14px;background:#fcfafb;box-shadow:none}.dropdown-navigation__heading{margin-left:12px}.dropdown-navigation__link{padding:10px 12px}.dropdown-navigation__description{max-width:none}.dropdown-navigation__arrow{opacity:.55;transform:none}.official-site-header__opening-registration{display:flex;width:100%;min-height:48px;margin-top:12px;padding:12px 16px;border-radius:12px}.official-site-header__opening-arrow{margin-left:auto}.official-site-header__language{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding:16px 4px 0;border-top:1px solid var(--navigation-line);border-left:0}.official-site-header__language-label{display:block;padding-left:10px;color:var(--navigation-muted);font-size:13px}.official-site-header__language [role=menu]{top:auto;bottom:calc(100% + 8px);margin-top:0}}@media (max-width: 380px){.official-site-header__inner{gap:10px}.official-site-header__navigation{padding-inline:12px}}@media (min-width: 64rem) and (max-width: 79.999rem){.official-site-header__navigation{max-height:calc(100dvh - 80px)}}@media (min-width: 80rem) and (max-width: 83.999rem){.official-site-header__navigation{max-height:calc(100dvh - 89px)}}@keyframes official-navigation-enter{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){.official-site-header *,.official-site-header *:before,.official-site-header *:after{animation:none!important;transition:none!important}}