/* v133 — shared SEO-page header: same dimensions, background, logo and language controls as main site. */
.seo-page-header{position:fixed;inset:0 0 auto 0;height:78px;z-index:1000;background:rgba(8,9,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}
.seo-page-header .header-inner{width:min(calc(100% - 40px),1220px);height:100%;margin:0 auto;display:flex;align-items:center;gap:18px}
.seo-page-header .logo{flex:0 0 auto}
.seo-page-header .logo img{height:40px;width:auto;max-width:none;display:block}
.seo-header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;min-width:0}
.seo-page-header .lang-switcher{margin-left:0;padding:0;border:0;white-space:nowrap;color:rgba(255,255,255,.35);font-size:.9rem;line-height:1.55}
.seo-page-header .lang-switcher a{color:rgba(255,255,255,.72);font-size:.9rem;letter-spacing:.005em;text-decoration:none;transition:color .2s ease}
.seo-page-header .lang-switcher a.active{color:#fff;border-bottom:1px solid rgba(255,255,255,.8)}
.seo-page-header .lang-switcher a:hover,.seo-page-header .lang-switcher a:focus-visible{color:#fff}
.seo-header-back{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 11px;border:1px solid rgba(255,255,255,.13);border-radius:999px;color:rgba(255,255,255,.72);background:rgba(255,255,255,.018);font-size:.84rem;line-height:1;text-decoration:none;white-space:nowrap;transition:color .2s ease,border-color .2s ease,background .2s ease}
.seo-header-back:hover,.seo-header-back:focus-visible{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.045)}
@media(max-width:680px){.seo-page-header{height:68px}.seo-page-header .header-inner{width:min(calc(100% - 28px),1220px)}.seo-page-header .logo img{height:30px}.seo-header-actions{gap:10px}.seo-header-back{min-height:32px;padding:6px 9px;font-size:.8rem}}
@media(max-width:380px){.seo-header-actions{gap:7px}.seo-header-back{padding:6px 8px;font-size:.75rem}.seo-page-header .lang-switcher,.seo-page-header .lang-switcher a{font-size:.82rem}}

/* v134: Normalize the language selector and Back button regardless of the parent page stylesheet.
   Industrial and live service pages inherit distinct body typography; use fixed px values here. */
.seo-page-header .seo-header-actions {align-items:center;gap:16px;}
.seo-page-header .seo-header-actions .lang-switcher,
.seo-page-header .seo-header-actions .lang-switcher a {
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:14px; font-weight:400; font-style:normal; letter-spacing:.005em; line-height:22px;
  text-transform:none;
}
.seo-page-header .seo-header-actions .seo-header-back {
  box-sizing:border-box; min-height:34px; padding:6px 11px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:13px; font-weight:400; font-style:normal; letter-spacing:normal; line-height:20px;
  text-transform:none;
}
@media(max-width:680px){
 .seo-page-header .seo-header-actions {gap:10px;}
 .seo-page-header .seo-header-actions .lang-switcher,
 .seo-page-header .seo-header-actions .lang-switcher a {font-size:13px;line-height:20px;}
 .seo-page-header .seo-header-actions .seo-header-back {font-size:12px;line-height:18px;min-height:32px;padding:6px 9px;}
}
@media(max-width:380px){
 .seo-page-header .seo-header-actions {gap:7px;}
 .seo-page-header .seo-header-actions .lang-switcher,
 .seo-page-header .seo-header-actions .lang-switcher a {font-size:12px;}
 .seo-page-header .seo-header-actions .seo-header-back {font-size:11px;padding:6px 8px;}
}