/* Shared official-site navigation, isolated from the tutorial/article styles. */
@font-face{font-family:GuideBrand;src:url("/assets/marketing/help-center/21efe1559a026f9a.woff2") format("woff2");font-weight:100 900;font-display:swap}
.ns-header,.ns-footer{--shell-paper:#faf9f6;--shell-ink:#242328;--shell-purple:#65518b;--shell-muted:#68656d;--shell-line:#dedbde;font-family:Overpass,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--shell-ink)}
.ns-header a,.ns-footer a{color:inherit;text-decoration:none}
.ns-header a:focus-visible,.ns-footer a:focus-visible,.ns-toggle:focus-visible{outline:3px solid var(--shell-purple);outline-offset:5px}
.ns-header{height:80px;position:sticky;top:0;z-index:30;background:rgba(250,249,246,.96);border-bottom:1px solid var(--shell-line);backdrop-filter:blur(12px)}
.ns-header-inner{max-width:1440px;margin:auto;height:100%;padding:0 56px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px}
.ns-brand{display:inline-flex;align-items:center;gap:7px;width:max-content;flex-shrink:0}
.ns-brand img{width:25px;height:30px;display:block}
.ns-brand>span{font-family:'Overpass', GuideBrand,sans-serif;font-size:27px;font-weight:600;letter-spacing:-.9px;line-height:1;transform:translateY(2px)}
.ns-nav{display:flex;align-items:center;gap:34px;font-size:14px;font-weight:500}
.ns-nav a{padding:12px 0;white-space:nowrap}
.ns-nav a:hover,.ns-footer a:hover{color:var(--shell-purple)}
.ns-toggle{display:none;background:none;border:0;width:44px;height:44px;padding:12px 9px;cursor:pointer}
.ns-toggle span{display:block;background:var(--shell-ink);height:1.5px;margin:5px 0;transition:transform .2s}
.ns-toggle[aria-expanded=true] span:first-child{transform:translateY(3.25px) rotate(45deg)}
.ns-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.25px) rotate(-45deg)}
.ns-mobile-nav{position:absolute;top:100%;left:0;right:0;background:var(--shell-paper);padding:10px 24px 20px;border-bottom:1px solid var(--shell-line);box-shadow:0 16px 30px #24232808}
.ns-mobile-nav[hidden]{display:none!important}
.ns-mobile-nav a{display:block;padding:13px 4px;border-bottom:1px solid var(--shell-line);font-size:15px}
.ns-mobile-nav a:hover{color:var(--shell-purple)}
.ns-footer{background:var(--shell-paper);border-top:1px solid var(--shell-line);margin-top:64px;padding:62px 0 25px;line-height:1.8}
.ns-footer-inner{width:min(1200px,calc(100% - 112px));margin:auto}
.ns-footer-main{display:grid;grid-template-columns:1.6fr 1fr 1.15fr 1.15fr;gap:48px}
.ns-footer-intro p{font-size:13px;color:var(--shell-muted);max-width:300px;margin:21px 0 0}
.ns-footer-column h2{font-size:15px;font-weight:600;line-height:1.5;letter-spacing:0;margin:3px 0 18px;text-wrap:wrap}
.ns-footer-column ul{display:grid;gap:10px;list-style:none;margin:0;padding:0}
.ns-footer-column a{font-size:13px;color:var(--shell-muted);display:inline-block;padding:3px 0}
.ns-footer-trust{border-top:1px solid var(--shell-line);margin-top:43px;padding-top:23px;display:flex;align-items:baseline;gap:24px}
.ns-footer-trust>span{font-size:11px;font-weight:550;white-space:nowrap}
.ns-footer-trust nav{display:flex;flex-wrap:wrap;gap:9px 20px}
.ns-footer-trust a{font-size:11px;color:var(--shell-muted);padding:3px 0}
.ns-footer-bottom{display:flex;justify-content:space-between;align-items:baseline;gap:24px;font-size:11px;color:var(--shell-muted);margin-top:25px}
.ns-footer-bottom p{margin:0}
@media(max-width:1100px){.ns-header-inner{padding-inline:36px}.ns-footer-inner{width:calc(100% - 72px)}.ns-footer-main{gap:28px;grid-template-columns:1.35fr 1fr 1.15fr 1.2fr}}
@media(max-width:900px){.ns-footer-main{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.ns-footer-intro{grid-column:1/-1}.ns-footer-intro p{max-width:510px;margin-top:16px}}
@media(max-width:680px){
  .ns-header{height:65px}
  .ns-header-inner{padding-inline:22px;display:flex;gap:12px}
  .ns-brand img{width:22px;height:27px}
  .ns-brand>span{font-size:24px}
  .ns-nav{display:none}
  .ns-toggle{display:block;flex-shrink:0;margin-left:auto;margin-right:-9px}
  .ns-footer{margin-top:45px;padding-top:38px}
  .ns-footer-inner{width:calc(100% - 44px)}
  .ns-footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 23px}
  .ns-footer-column h2{font-size:14px;margin-bottom:12px}
  .ns-footer-column ul{gap:6px}
  .ns-footer-column a{font-size:12px;min-height:36px;display:inline-flex;align-items:center}
  .ns-footer-trust{display:block;margin-top:28px;padding-top:22px}
  .ns-footer-trust nav{gap:7px 18px;margin-top:12px}
  .ns-footer-trust a{min-height:32px;display:inline-flex;align-items:center}
  .ns-footer-bottom{display:block;margin-top:20px;font-size:10px}
}
@media(max-width:370px){.ns-header-inner{padding-inline:16px;gap:7px}.ns-brand>span{font-size:22px}}
@media(prefers-reduced-motion:reduce){.ns-toggle span{transition:none}}
@media print{.ns-header,.ns-footer{display:none!important}}