.site-top { height:auto; min-height:72px; padding:0 20px; background:rgba(255,255,255,.97); border-bottom:1px solid #dbe5f2; backdrop-filter:blur(12px); }
.site-top-inner { width:min(1240px,100%); min-height:72px; margin:auto; display:flex; align-items:center; gap:24px; }
.site-logo { flex:none; display:block; line-height:0; }
.site-logo img { display:block; width:155px; height:43px; object-fit:contain; }
.site-nav { display:flex; align-items:center; justify-content:center; gap:18px; margin-left:auto; }
.site-nav > a, .site-menu > summary { color:#20344f; font-size:16px; font-weight:600; line-height:1.4; text-decoration:none; white-space:nowrap; cursor:pointer; }
.site-nav > a:hover, .site-menu > summary:hover, .site-nav a[aria-current="page"] { color:#1764d5; }
.site-menu { position:relative; }
.site-menu > summary { list-style:none; }
.site-menu > summary::-webkit-details-marker { display:none; }
.site-menu:not([open]) .site-pop { display:none; }
.site-pop { position:absolute; top:100%; left:-12px; z-index:40; display:grid; min-width:224px; margin-top:18px; padding:8px; background:#fff; border:1px solid #dbe5f2; border-radius:9px; box-shadow:0 18px 44px rgba(12,35,69,.16); }
.site-pop a { padding:10px 12px; border-radius:6px; color:#20344f; font-size:15px; font-weight:600; text-decoration:none; white-space:nowrap; }
.site-pop a:hover { color:#1764d5; background:#edf4ff; }
.site-actions { display:flex; gap:9px; flex:none; }
.site-actions a { display:inline-flex; align-items:center; justify-content:center; min-height:38px; padding:8px 13px; border:1px solid #cbdaf0; border-radius:8px; font-size:13px; font-weight:700; text-decoration:none; white-space:nowrap; }
.site-login { color:#20344f; background:#fff; }
.site-demo { color:#fff; background:#1764d5; border-color:#1764d5 !important; }
.site-demo:hover { background:#0d52b5; }
.site-menu-toggle, .site-mobile-login { display:none; }
@media (max-width:1160px) {
  .site-top, .site-top-inner { min-height:60px; }
  .site-top-inner { gap:12px; }
  .site-logo img { width:139px; height:auto; }
  .site-menu-toggle { display:flex; flex-direction:column; justify-content:center; gap:5px; order:2; width:39px; height:39px; padding:9px; border:1px solid #cbdaf0; border-radius:8px; background:#fff; }
  .site-menu-toggle span { display:block; height:2px; width:18px; background:#20344f; }
  .site-actions { margin-left:auto; }
  .site-login { display:none !important; }
  .site-nav { display:none; position:absolute; top:100%; left:0; right:0; max-height:calc(100vh - 60px); overflow-y:auto; margin:0; padding:12px max(20px,calc((100vw - 1160px)/2)); background:#fff; border-bottom:1px solid #dbe5f2; box-shadow:0 20px 30px rgba(12,35,69,.1); }
  .site-top.is-open .site-nav { display:grid; gap:0; }
  .site-nav > a, .site-menu > summary { display:block; padding:11px 0; }
  .site-pop { position:static; margin:0; padding:0 0 5px 12px; border:0; box-shadow:none; }
  .site-pop a { padding:9px 0; }
  .site-mobile-login { display:block; }
}
@media (max-width:420px) {
  .site-top { padding:0 12px; }
  .site-logo img { width:128px; }
  .site-actions a { min-height:35px; padding:7px 9px; font-size:12px; }
}