.n-utility{background:var(--surface);border-bottom:1px solid var(--line)}.n-utility .wrap{padding-top:7px;padding-bottom:7px;align-items:center}.n-utility .wrap>span{font-size:10px}.n-utility .wrap>div{gap:20px}.n-utility .wrap>div>a:last-child{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:3px 12px;color:var(--ink);font:600 10px/1.5 Inter,sans-serif}
.tp-masthead-v3{display:grid;grid-template-columns:minmax(260px,1fr) auto auto;align-items:center;gap:36px;min-height:139px;padding-top:19px;padding-bottom:19px}.tp-masthead-v3 .n-logo{align-items:flex-start;gap:4px;min-width:0}.tp-masthead-v3 .n-logo img{width:350px;height:auto;max-width:100%;aspect-ratio:3/1;object-fit:contain}.tp-masthead-v3 .n-logo small{font-size:9px;color:var(--muted);margin-left:8px;letter-spacing:.03em}.tp-header-plan{border-left:1px solid var(--line);padding-left:25px}.tp-header-plan>span{font-size:16px;font-weight:600;color:var(--ink)}.tp-header-plan>div{display:flex;align-items:center;gap:9px;font-size:11px;margin-top:8px;color:var(--muted)}.tp-header-plan>div a:hover{color:var(--teal)}.tp-masthead-v3 .n-tools{display:flex;flex-direction:row;align-items:center;gap:11px}.tp-masthead-v3 .n-theme-toggle{width:40px;min-height:40px;height:40px;font-size:23px;border:1px solid var(--line);color:var(--ink)}.tp-masthead-v3 .n-search summary{width:auto;min-width:112px;min-height:42px;border-radius:5px;padding:9px 13px;gap:9px;background:var(--surface);border-color:var(--line);font-size:12px;color:var(--ink)}.tp-masthead-v3 .n-search summary svg{width:20px;height:20px}.tp-masthead-v3 .n-search summary>span{display:inline;font-size:11px}.tp-masthead-v3 .n-search form{right:0;top:calc(100% + 12px);width:330px;max-width:calc(100vw - 32px);z-index:65;border:1px solid var(--line);border-top:3px solid var(--teal);box-shadow:0 12px 35px #073b6020;padding:20px}.tp-masthead-v3 .n-search label{font-size:12px;display:block;margin-bottom:10px}.tp-masthead-v3 .menu-toggle{border-radius:5px;display:none;width:42px;min-height:42px;padding:9px}.tp-masthead-v3 .menu-toggle svg{width:23px;height:23px}
.tp-nav-v3{border-top:1px solid var(--line);border-bottom:2px solid var(--navy);background:#fff;position:sticky;z-index:45;top:0}.tp-nav-v3.nav-static{position:static}.tp-nav-v3 .n-nav{display:flex;justify-content:space-between;gap:0;position:relative}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{padding:15px 12px;font-size:13px;line-height:1.5;white-space:nowrap;min-height:50px}.tp-nav-v3 .n-nav>a:first-child{padding-left:0}.tp-nav-v3 .n-home{color:var(--teal)}.tp-nav-v3 .n-nav>a[aria-current=page]{color:var(--teal);background:transparent}.tp-nav-v3 .n-nav>a:hover,.tp-nav-v3 .n-more>summary:hover{color:var(--teal);background:transparent}.tp-nav-v3 .n-more{margin:0;position:static}.tp-nav-v3 .n-more>summary{display:flex;align-items:center;gap:7px}.tp-nav-v3 .n-more>summary::marker{content:''}.tp-nav-v3 .n-more>summary::-webkit-details-marker{display:none}.tp-nav-v3 .n-category-menu{position:absolute;left:0;right:0;top:100%;width:100%;max-height:70vh;overflow:auto;padding:0;background:#fff;color:var(--ink);border:1px solid var(--line);border-top:3px solid var(--teal);box-shadow:0 14px 40px #073b6020;border-radius:0 0 8px 8px;display:block}.tp-mega-intro{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);background:var(--surface)}.tp-mega-intro>strong{font-size:15px}.tp-mega-intro>a{font-size:11px!important;color:var(--teal)}.tp-mega-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:27px 30px;padding:27px}.tp-mega-groups>section{min-width:0}.tp-mega-groups h2{font-size:14px;border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:10px}.tp-nav-v3 .tp-mega-groups a{display:block;padding:6px 0;font-size:11px;color:var(--muted);white-space:normal}.tp-nav-v3 .tp-mega-groups h2 a{font-size:14px;color:var(--ink);padding:0}.tp-nav-v3 .tp-mega-groups a:hover{color:var(--teal)}.tp-society-nav{border-left:1px solid var(--line);margin-left:5px}
html[data-theme=dark] .tp-nav-v3,html[data-theme=dark] .tp-nav-v3 .n-category-menu{background:#102a3e}html[data-theme=dark] .tp-masthead-v3 .n-search summary{background:var(--surface)}
@media(max-width:1100px){.tp-masthead-v3{gap:22px;grid-template-columns:minmax(250px,1fr) auto auto}.tp-masthead-v3 .n-logo img{width:310px}.tp-header-plan{padding-left:19px}.tp-header-plan>span{font-size:14px}.tp-header-plan>div{font-size:10px}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{font-size:11px;padding:14px 8px}.tp-masthead-v3 .n-search summary{min-width:95px}}
@media(max-width:900px){.tp-header-plan{display:none}.tp-masthead-v3{grid-template-columns:minmax(0,1fr) auto;min-height:116px;gap:20px}.tp-masthead-v3 .menu-toggle{display:inline-flex;align-items:center;justify-content:center}.tp-nav-v3 .n-nav{display:none}.tp-nav-v3 .n-nav.open{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:12px 0}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{white-space:normal;font-size:13px;padding:13px 11px}.tp-nav-v3 .n-nav>a:first-child{padding-left:11px}.tp-nav-v3 .n-more{grid-column:1/-1}.tp-nav-v3 .n-category-menu{position:static;max-height:55vh;box-shadow:none;border:1px solid var(--line);border-radius:5px}.tp-mega-groups{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:20px}.tp-society-nav{border-left:0;margin-left:0}.tp-nav-v3 .n-more>summary{min-height:44px;padding-left:11px}.tp-nav-v3:has(.n-nav:not(.open)){border-top:0;border-bottom-width:1px}.tp-masthead-v3 .n-tools{gap:9px}}
@media(max-width:650px){.tp-masthead-v3{min-height:103px;padding-top:15px;padding-bottom:15px;gap:14px}.tp-masthead-v3 .n-logo img{width:235px;max-width:100%;height:auto}.tp-masthead-v3 .n-logo small{display:none}.tp-masthead-v3 .n-tools{gap:7px}.tp-masthead-v3 .n-search summary{width:38px;min-width:38px;min-height:38px;height:38px;padding:8px;background:transparent;border-radius:50%;justify-content:center}.tp-masthead-v3 .n-search summary>span{display:none}.tp-masthead-v3 .n-theme-toggle{width:36px;min-height:36px;height:36px;font-size:21px}.tp-masthead-v3 .menu-toggle{width:38px;min-height:38px;height:38px;padding:8px;border-radius:5px}.tp-masthead-v3 .menu-toggle svg{width:21px;height:21px}.tp-masthead-v3 .n-search form{right:-45px;width:300px}.tp-nav-v3 .n-nav.open{grid-template-columns:repeat(2,minmax(0,1fr));gap:0}.tp-mega-groups{grid-template-columns:1fr 1fr;gap:25px 20px;padding:19px}.tp-mega-intro{padding:15px 19px}.tp-mega-intro>strong{font-size:13px}.n-utility .wrap>span{font-size:9px;max-width:70%}.n-utility .wrap>div>a:last-child{padding:3px 10px;font-size:9px}.n-utility .wrap>div{gap:10px}}
@media(max-width:390px){.tp-masthead-v3{min-height:92px;gap:8px}.tp-masthead-v3 .n-logo img{width:185px}.tp-masthead-v3 .n-tools{gap:5px}.tp-masthead-v3 .n-theme-toggle{width:30px;height:30px;min-height:30px;font-size:19px}.tp-masthead-v3 .n-search summary,.tp-masthead-v3 .menu-toggle{width:33px;min-width:33px;min-height:36px;height:36px;padding:6px}.tp-masthead-v3 .n-search form{right:-38px}.tp-mega-groups{gap:20px 14px;padding:16px}.tp-nav-v3 .tp-mega-groups h2 a{font-size:13px}}
/* Masthead revision: left-aligned brand with a clear editorial navigation bar. */
.n-utility{background:#073b60;border-bottom:0;color:#d8e8ef}.n-utility .wrap{padding-top:6px;padding-bottom:6px}.n-utility a{color:#d8e8ef}.n-utility .wrap>div>a:last-child{border-color:#52768c;background:transparent;color:#fff;border-radius:3px}.tp-masthead-v3{min-height:145px;grid-template-columns:minmax(250px,1.15fr) minmax(160px,1fr) auto;gap:32px;padding-top:21px;padding-bottom:21px}.tp-masthead-v3 .n-logo img{width:360px;max-height:108px;object-position:left center;aspect-ratio:3/1}.tp-masthead-v3 .n-logo small{display:none}.tp-header-identity{border-left:1px solid var(--line);padding-left:27px;display:flex;flex-direction:column;gap:9px;justify-self:center}.tp-header-identity>span{font:500 9px/1.5 Inter,sans-serif;letter-spacing:.19em;color:var(--teal)}.tp-header-identity>strong{font-size:17px;line-height:1.6;font-weight:500;color:var(--ink)}.tp-masthead-v3 .n-tools{gap:9px;justify-content:flex-end}.tp-header-language{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--line);border-radius:50%;font:600 10px/1.5 var(--font);color:var(--ink)}.tp-masthead-v3 .n-theme-toggle{width:39px;height:39px;min-height:39px;border-radius:50%;background:transparent}.tp-masthead-v3 .n-search summary{min-width:39px;width:39px;height:39px;min-height:39px;border-radius:50%;background:transparent;padding:9px;justify-content:center}.tp-masthead-v3 .n-search summary>span{display:none}.tp-nav-v3{border-top:1px solid var(--line);border-bottom:0;box-shadow:0 3px 9px #073b600b}.tp-nav-v3 .n-nav{justify-content:flex-start;gap:0}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{padding:17px 17px;min-height:54px;font-weight:600;font-size:13px}.tp-nav-v3 .n-nav>a:first-child{padding-left:17px}.tp-nav-v3 .n-home[aria-current=page]{background:var(--teal);color:#fff}.tp-nav-v3 .n-home[aria-current=page]:after{display:none}.tp-nav-v3 .n-nav>a:not(.n-home)[aria-current=page]{background:var(--surface);color:var(--teal)}.tp-nav-v3 .n-more{margin-left:auto}.tp-nav-v3 .n-more>summary{padding-right:0;font-weight:500}.tp-nav-v3 .tp-society-nav{border-left:0;margin-left:0}.tp-masthead-v3 .n-search form{top:calc(100% + 15px)}
@media(max-width:1150px){.tp-masthead-v3{gap:25px;grid-template-columns:minmax(250px,1fr) minmax(140px,1fr) auto}.tp-header-identity{padding-left:22px}.tp-header-identity>strong{font-size:15px}.tp-header-identity>span{font-size:8px}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{padding:16px 11px;font-size:12px}.tp-masthead-v3 .n-logo img{width:320px}}
@media(max-width:900px){.tp-header-identity{display:none}.tp-masthead-v3{grid-template-columns:minmax(0,1fr) auto;min-height:120px;gap:22px;padding-top:18px;padding-bottom:18px}.tp-masthead-v3 .n-logo img{width:310px;max-height:90px}.tp-nav-v3 .n-more{margin-left:0}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{padding:14px 15px;font-size:13px;min-height:47px}.tp-nav-v3 .n-home[aria-current=page]{background:var(--surface);color:var(--teal);border-radius:5px}.tp-nav-v3 .n-more>summary{padding-right:15px}.tp-nav-v3 .n-nav>a:first-child{padding-left:15px}.tp-nav-v3 .n-nav.open{border-top:1px solid var(--line)}}
@media(max-width:650px){.n-utility .wrap>div>a:last-child{display:none}.n-utility .wrap>span{max-width:100%;font-size:9px}.n-utility .wrap>div{gap:10px}.tp-masthead-v3{min-height:100px;padding-top:15px;padding-bottom:15px;gap:14px}.tp-masthead-v3 .n-logo img{width:230px;height:auto;max-height:77px}.tp-masthead-v3 .n-tools{gap:6px}.tp-header-language{width:31px;height:33px;font-size:9px;border-radius:4px}.tp-masthead-v3 .n-theme-toggle{display:none}.tp-masthead-v3 .n-search summary{width:35px;min-width:35px;height:36px;min-height:36px;padding:8px;border:0}.tp-masthead-v3 .menu-toggle{width:36px;height:36px;min-height:36px;border:1px solid var(--line);border-radius:5px}.tp-masthead-v3 .n-search form{right:-42px}.tp-nav-v3{box-shadow:none}.tp-nav-v3 .n-nav.open{padding:10px 0 14px}.tp-nav-v3 .tp-mega-groups h2 a{padding:0;font-size:13px}.tp-mega-groups{column-gap:20px}}
@media(max-width:390px){.tp-masthead-v3{min-height:90px;gap:8px}.tp-masthead-v3 .n-logo img{width:192px;max-height:65px}.tp-masthead-v3 .n-tools{gap:4px}.tp-header-language{width:28px;height:32px}.tp-masthead-v3 .n-search summary,.tp-masthead-v3 .menu-toggle{width:32px;min-width:32px;height:35px;min-height:35px;padding:6px}.tp-nav-v3 .n-nav>a,.tp-nav-v3 .n-more>summary{font-size:12px}}

/* Owner-requested clean masthead: logo and controls. */
.tp-masthead-v3{grid-template-columns:minmax(0,1fr) auto}.tp-masthead-v3 .n-tools{justify-self:end}
.tp-header-language{position:relative;flex-direction:column;display:flex;align-items:center;justify-content:center;line-height:1.1;gap:2px}.tp-header-language small{font:500 6px/1.1 Inter,sans-serif;color:var(--teal);letter-spacing:.02em}.tp-translation-dialog{max-width:min(540px,calc(100vw - 32px));padding:28px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--surface)}.tp-translation-dialog::backdrop{background:#052b4377}.tp-translation-dialog h2{font-size:22px;margin-bottom:18px}.tp-translation-dialog p{font-size:14px;line-height:1.9;margin:13px 0}.tp-translation-dialog>a{display:inline-block;font-size:12px;color:var(--teal);margin:8px 0 20px}.tp-translation-dialog form{text-align:right}