/* Shared header used by home, catalogue, search and product detail. */
.nt-shell{color:#292929;font:14px/1.7 "Microsoft YaHei",sans-serif;background:#fff}
.nt-shell *{box-sizing:border-box}.nt-shell a{color:inherit;text-decoration:none}
.nt-shell .nt-wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.nt-shell .nt-note{background:#f5f5f5;color:#626262;text-align:center;font-size:13px;padding:8px 20px}
.nt-shell .nt-note a{margin-left:16px;text-decoration:underline;text-underline-offset:4px}
.nt-shell .nt-utility{background:#fafafa;color:#626262;font-size:13px}
.nt-shell .nt-utility .nt-wrap{display:flex;justify-content:space-between;align-items:center;min-height:40px}
.nt-shell .nt-utility nav{display:flex;gap:24px}.nt-shell .nt-utility a{display:inline-flex;align-items:center;min-height:40px}
.nt-shell .nt-utility b{font-weight:500;margin-left:6px;font-variant-numeric:tabular-nums}
.nt-shell header.nt-header{display:block;padding:0;margin:0;max-width:none;border:0;background:#fff;position:relative}
.nt-shell .nt-header .nt-inner{min-height:96px;display:flex;gap:28px;align-items:center}
.nt-shell .nt-brand{display:block;width:205px;flex-shrink:0;min-width:0}
.nt-shell .nt-brand img{display:block;width:205px;max-width:100%;height:auto;max-height:none}
.nt-shell .nt-header nav.nt-nav{display:flex;gap:22px;align-items:center;flex:1;justify-content:center;font-size:14px;white-space:nowrap;width:auto;order:0;overflow:visible;flex-basis:auto}
.nt-shell .nt-header .nt-nav a{display:flex;align-items:center;min-height:52px;padding:0}
.nt-shell .nt-nav [aria-current=page]{color:#333333;font-weight:700}
.nt-shell .nt-contact{padding:12px 18px;background:#f7f7f7;font-size:14px;white-space:nowrap}
.nt-shell .nt-contact span{margin-left:18px}.nt-shell a:hover{color:#333333}
.nt-shell :focus-visible{outline:3px solid #333333;outline-offset:4px}
.catalog-search{display:flex;justify-content:flex-end;gap:0;margin:0 0 24px}
.catalog-search input{background:#f7f7f7;border:0;border-radius:0;padding:10px 14px;width:220px;min-width:0}
@media(max-width:1100px){.nt-shell .nt-header .nt-inner{gap:20px}.nt-shell .nt-brand{width:180px}.nt-shell .nt-header nav.nt-nav{gap:16px}.nt-shell .nt-contact{display:none}}
@media(max-width:760px){
.nt-shell .nt-wrap{padding-left:24px;padding-right:24px}.nt-shell .nt-note{padding:10px 24px}.nt-shell .nt-note a{display:block;margin:4px 0 0}
.nt-shell .nt-utility .nt-wrap>span{display:none}.nt-shell .nt-utility nav{width:100%;justify-content:flex-end;gap:20px}
.nt-shell .nt-header .nt-inner{padding-top:20px;padding-bottom:12px;flex-wrap:wrap;gap:14px}
.nt-shell .nt-header nav.nt-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%;flex:none;gap:0 4px;font-size:13px}
.nt-shell .nt-header .nt-nav a{min-height:44px;justify-content:center}
.nt-shell .nt-nav [aria-current=page]{background:#f7f7f7}.catalog-search input{flex:1;width:100%}
}