/* ============================================================
   NOTHING SPACE · 共享页首基准  [UI_UNIFY_20261028]
   以 ECS1/ECS3 首页 #vhdr 为唯一基准：
   白底/软白底页面统一页首（浅色版）；衬线 21px/900 logo，
   SPACE 红 #e0483c；Courier 10px 小标签；菜单 13.5px/500；
   CTA 胶囊白底黑字 hover 红；红胶囊 #c8382e 系。
   用法：白底分页 <header class="nsite-header">…</header>
   ============================================================ */
.nsite-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(14px);backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid #ece9e3;
}
.nsite-header .nstop{display:flex;align-items:center;gap:26px;height:72px;width:min(1320px,94vw);margin:0 auto}
.nsite-header .nsbrand{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.nsite-header .nslogo{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:21px;font-weight:900;color:#15131a;white-space:nowrap}
.nsite-header .nslogo em{font-style:normal;color:#e0483c}
.nsite-header .nstag{font-family:"Courier New",monospace;font-size:10px;letter-spacing:.3em;color:#9d98a6;text-transform:uppercase}
.nsite-header .nsmenu{display:flex;gap:22px;font-size:13.5px;color:#6b6675;font-weight:500}
.nsite-header .nsmenu a{text-decoration:none;color:inherit;transition:.18s}
.nsite-header .nsmenu a:hover{color:#15131a}
.nsite-header .nsmenu a.ns-hot{color:#c8382e;font-weight:700}
.nsite-header .nsspacer{flex:1}
.nsite-header .nscta{background:#15131a;color:#fff;border-radius:999px;padding:8px 20px;font-size:13px;font-weight:700;text-decoration:none;transition:.2s;white-space:nowrap}
.nsite-header .nscta:hover{background:#e0483c;color:#fff}
.nsite-header .nscta.nscta-ghost{background:transparent;color:#15131a;border:1px solid #d9d5cc;padding:7px 18px}
.nsite-header .nscta.nscta-ghost:hover{background:rgba(21,19,26,.06);color:#15131a}
.nsite-header .nscta.nscta-red{background:#c8382e;border-color:#c8382e}
.nsite-header .nscta.nscta-red:hover{background:#a3261f;color:#fff}
@media(max-width:1180px){.nsite-header .nsmenu{display:none}}