:root{
  --brand:#0A74DA;
  --brand-dark:#0759A8;
  --brand-weak:#EAF3FF;
  --ink:#1f2937;
  --muted:#6b7280;
  --line:#e5e7eb;
  --surface:#fff;
  --soft:#f8fafc;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding-bottom:82px;background:#fafafa;color:var(--ink);font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
img{max-width:100%}
.site-container{width:min(1200px,calc(100% - 32px));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.topnav{position:sticky;top:0;z-index:1100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 5px rgba(15,23,42,.05)}
.topnav__inner{min-height:58px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;white-space:nowrap}
.brand img{width:32px;height:32px;object-fit:contain}
.site-nav{margin-left:auto}
.site-nav__list{display:flex;align-items:center;gap:13px;margin:0;padding:0;list-style:none}
.site-nav__list>li>a,.dropdown-toggle{display:inline-flex;align-items:center;gap:4px;padding:9px 3px;border:0;background:none;color:#374151;font-weight:650;cursor:pointer;white-space:nowrap}
.site-nav__list>li>a:hover,.dropdown-toggle:hover{color:var(--brand)}
.menu-toggle{display:none;margin-left:auto;border:0;background:none;font-size:23px;cursor:pointer}
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;z-index:1200;min-width:220px;max-height:70vh;overflow:auto;margin:0;padding:7px 0;list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px rgba(15,23,42,.12)}
.dropdown-menu--network{right:0;left:auto;min-width:250px}
.dropdown-menu a{display:block;padding:9px 14px;white-space:nowrap}
.dropdown-menu a:hover{background:var(--soft);color:var(--brand)}
.dropdown.is-open>.dropdown-menu{display:block}
@media(min-width:769px){.dropdown:hover>.dropdown-menu{display:block}}

.breadcrumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:17px 0;color:var(--muted);font-size:13px}
.breadcrumb a{color:var(--brand)}
.page-heading{margin:10px 0 20px}
.page-heading h1{margin:0 0 7px;font-size:clamp(24px,3vw,34px)}
.page-heading p{max-width:850px;margin:0;color:var(--muted)}

.network-footer{margin-top:60px;background:#0f172a;color:#cbd5e1}
.network-footer__grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding-block:30px}
.network-footer strong{display:block;margin-bottom:8px;color:#fff}
.network-footer p{margin:0}
.network-footer ul{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;margin:0;padding:0;list-style:none}
.network-footer a:hover{color:#fff;text-decoration:underline}
.network-copy;padding:12px;text-align:center;background:#020617;font-size:13px}
.network-copy{padding:12px;text-align:center;background:#020617;font-size:13px}

.compare-bar{position:fixed;right:0;bottom:0;left:0;z-index:1300;display:flex;align-items:center;gap:12px;min-height:66px;padding:8px 16px;background:var(--brand);color:#fff;box-shadow:0 -3px 12px rgba(0,0,0,.16)}
.compare-bar__summary{display:flex;flex-direction:column;min-width:140px;line-height:1.2}
.compare-bar__summary span{font-size:12px;opacity:.9}
.compare-items{display:flex;flex:1;gap:8px;overflow:auto}
.compare-item{position:relative;flex:0 0 auto;width:44px;height:50px;padding:2px;border-radius:6px;background:#fff}
.compare-item img{width:100%;height:100%;object-fit:contain}
.compare-item button{position:absolute;top:-5px;right:-5px;width:18px;height:18px;padding:0;border:0;border-radius:50%;background:#111827;color:#fff;cursor:pointer}
.compare-bar__actions{display:flex;gap:7px}
.compare-go,.compare-clear{padding:8px 12px;border:0;border-radius:7px;cursor:pointer;font-weight:700}
.compare-go{background:#fff;color:var(--brand)}
.compare-clear{background:#1f2937;color:#fff}
.compare-go:disabled,.compare-clear:disabled{opacity:.5;cursor:not-allowed}

.faq-section,.popular-comparisons,.related-products,.spec-section{margin-top:36px}
.faq-section h2,.related-products h2,.spec-section>h2{font-size:21px}
.faq-list{display:grid;gap:9px}
.faq-item{padding:0 15px;background:#fff;border:1px solid var(--line);border-radius:10px}
.faq-item summary{padding:13px 0;cursor:pointer;font-weight:700}
.faq-item p{margin:0 0 14px;color:var(--muted)}

@media(max-width:900px){
  .site-container{width:min(100% - 24px,1200px)}
  .menu-toggle{display:block}
  .site-nav{display:none;position:absolute;top:57px;right:12px;left:12px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 25px rgba(15,23,42,.12)}
  .topnav.is-open .site-nav{display:block}
  .site-nav__list{align-items:stretch;flex-direction:column;gap:1px}
  .site-nav__list>li>a,.dropdown-toggle{width:100%;justify-content:space-between;padding:9px}
  .dropdown-menu,.dropdown-menu--network{position:static;min-width:0;max-height:none;margin-left:10px;border:0;border-left:2px solid var(--brand-weak);border-radius:0;box-shadow:none}
  .dropdown:hover>.dropdown-menu{display:none}
  .dropdown.is-open>.dropdown-menu{display:block}
}
@media(max-width:700px){
  .network-footer__grid{grid-template-columns:1fr}
  .network-footer ul{grid-template-columns:1fr}
  .compare-bar__summary{display:none}
  .compare-bar{padding:8px 10px}
}