/* Shared four-page navigation. Keep every destination visible on narrow screens. */
.header,.header.wrap{height:96px;min-height:96px;width:auto;max-width:none;margin:0 5%;padding:0;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid var(--line,#d8e0ed)}
.header .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header .brand img{width:38px;height:38px;object-fit:contain}
.header .brand>span{font-size:22px;font-weight:800;letter-spacing:-1px}
.header .brand small,.header .brand-cn{display:inline;font-size:12px;letter-spacing:1px;margin-left:12px;font-weight:500;vertical-align:2px}
.header nav{display:flex!important;align-items:center;gap:38px;font-size:14px;line-height:1.5}
.header nav a,.header nav a:last-child{display:inline-flex!important;position:relative;padding:15px 0;color:#73829a;white-space:nowrap}
.header nav a:after{content:"";position:absolute;left:0;bottom:5px;width:0;height:2px;border-radius:0;background:#315bff;transition:width .2s}
.header nav a:hover,.header nav a[aria-current="page"]{color:#101827}
.header nav a:hover:after,.header nav a[aria-current="page"]:after{width:100%;height:2px;left:0;bottom:5px;border-radius:0}
@media(max-width:700px){.header,.header.wrap{height:auto;min-height:112px;margin:0 6%;padding:17px 0 11px;flex-direction:column;align-items:flex-start;gap:11px}.header .brand img{width:32px;height:32px}.header .brand>span{font-size:21px}.header nav{width:100%;justify-content:space-between;gap:15px;font-size:13px}.header nav a,.header nav a:last-child{padding:9px 0 12px}.header nav a:after{bottom:3px}}
@media(prefers-reduced-motion:reduce){.header nav a:after{transition:none}}