:root{--bg:#F5F7F9;--surface:#E9EEF3;--ink:#15222C;--primary:#0B4F8A;--accent:#B3352B;--secondary:#5B7183;--line:#C9D4DE;--plate:#FFFFFF;--font-head:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-body:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Liberation Sans",sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.62}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary)}
a:hover{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:80}
.skip-link:focus{left:8px;top:8px}
.topbar{background:var(--ink);color:#DCE5EC;font-size:14px}
.topbar-in{display:flex;justify-content:space-between;gap:14px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar a{color:#fff}
.site-header{background:var(--plate);border-bottom:3px solid var(--primary);position:relative}
.header-in{display:flex;align-items:center;gap:16px;padding-top:10px;padding-bottom:10px}
.brand{text-decoration:none;color:var(--ink);flex:0 0 auto}
.wordmark{font-family:var(--font-head);font-size:25px;font-weight:800;letter-spacing:.01em;color:var(--primary);display:block;line-height:1.1;text-transform:uppercase}
.wordmark::after{content:"";display:block;height:10px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='24' viewBox='0 0 120 24'%3E%3Cpath d='M4 18 H116' stroke='%230B4F8A' stroke-opacity='0.35' stroke-width='1.5'/%3E%3Cpath d='M4 12 V24 M116 12 V24' stroke='%230B4F8A' stroke-opacity='0.35' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;margin-top:2px}
.brand small{display:block;color:var(--secondary);font-size:13px}
.site-nav{margin-left:auto}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:2px;flex-wrap:nowrap}
.nav-item{position:relative}
.nav-item>a{display:block;padding:8px 9px;text-decoration:none;font-weight:600;font-size:16px;color:var(--ink);white-space:nowrap}
.nav-item>a:hover,.nav-item>a:focus{color:var(--accent)}
.nav-dropdown{list-style:none;margin:0;padding:6px 0;position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 22px rgba(21,34,44,.16);visibility:hidden;opacity:0;z-index:40}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{visibility:visible;opacity:1}
.nav-dropdown a{display:block;padding:6px 14px;text-decoration:none;color:var(--ink);font-size:15px}
.nav-dropdown a:hover{background:var(--surface);color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 18px;font-weight:700;font-size:16px;border:2px solid var(--accent);cursor:pointer}
.btn:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn.ghost:hover{background:var(--primary);color:#fff}
.header-in>.btn{white-space:nowrap}
.navmenu{display:none}
.navmenu summary{list-style:none;cursor:pointer;padding:10px 4px}
.navmenu summary::-webkit-details-marker{display:none}
.burger span{display:block;width:26px;height:3px;background:var(--primary);margin:5px 0}
.mobilemenu{display:none}
.dim-band{height:22px;background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='24' viewBox='0 0 120 24'%3E%3Cpath d='M4 18 H116' stroke='%230B4F8A' stroke-opacity='0.35' stroke-width='1.5'/%3E%3Cpath d='M4 12 V24 M116 12 V24' stroke='%230B4F8A' stroke-opacity='0.35' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:repeat-x;background-position:center;border-bottom:1px solid var(--line)}
.hero{padding:26px 0 4px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:32px;align-items:start}
.kicker{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:0 0 8px}
.hero h1,.main h1{font-family:var(--font-head);font-size:clamp(27px,3.4vw,40px);line-height:1.16;margin:0 0 12px;color:var(--ink)}
.lede{font-size:19px;margin:0 0 16px;max-width:720px}
.spec-plate{background:var(--plate);border:1.5px solid var(--primary);outline:1px solid var(--line);outline-offset:3px;padding:12px 16px;margin:18px 0 6px;max-width:560px}
.spec-plate dl{margin:0;display:grid;grid-template-columns:110px 1fr;gap:4px 14px}
.spec-plate dt{font-family:var(--font-mono);font-size:12.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--secondary);padding-top:2px}
.spec-plate dd{margin:0;font-weight:600;font-size:15.5px}
.page-image{margin:0}
.page-image img{border:1px solid var(--line);width:100%}
.page-image figcaption{font-size:14px;color:var(--secondary);margin-top:6px}
.breadcrumb{font-size:14px;color:var(--secondary);margin:12px 0 0}
.breadcrumb a{color:var(--secondary)}
.main{padding-bottom:8px}
.main h2{font-family:var(--font-head);font-size:clamp(22px,3vw,29px);line-height:1.22;margin:30px 0 8px;color:var(--primary)}
.main h3{font-size:19px;margin:16px 0 4px}
.main p{max-width:800px}
.sec-band{margin:20px -20px 0;padding:2px 20px 12px}
.sec-band.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-band.alt>h2:first-child{margin-top:16px}
table.spec{border-collapse:collapse;width:100%;max-width:980px;margin:14px 0 8px;background:var(--plate)}
table.spec caption{text-align:left;font-weight:700;font-family:var(--font-head);color:var(--ink);padding:0 0 8px;font-size:17px}
table.spec th,table.spec td{border:1px solid var(--line);padding:8px 12px;text-align:left;font-size:15.5px;vertical-align:top}
table.spec th{background:var(--surface);font-family:var(--font-head)}
.check-list{list-style:none;margin:10px 0;padding:0;max-width:800px}
.check-list li{padding:7px 12px 7px 34px;position:relative;background:var(--plate);border:1px solid var(--line);margin-bottom:8px}
.check-list li::before{content:"";position:absolute;left:12px;top:14px;width:9px;height:9px;background:var(--accent)}
.card-grid{list-style:none;margin:10px 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--plate);border:1px solid var(--line);display:flex;flex-direction:column}
.card img{width:100%;aspect-ratio:13/6;object-fit:cover}
.card h3{font-family:var(--font-head);font-size:18px;margin:0;padding:12px 14px 0}
.card h3 a{text-decoration:none;color:var(--primary)}
.card p{font-size:15px;line-height:1.5;margin:0;padding:4px 14px 14px}
.card .card-meta{font-family:var(--font-mono);font-size:13px;color:var(--secondary);padding:0 14px 12px;margin-top:auto}
.related-list{list-style:none;margin:8px 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:980px}
.related-list li{border-left:4px solid var(--primary);background:var(--plate);padding:9px 13px}
.related-list a{font-weight:700;text-decoration:none}
.form-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0 0;padding:8px 0 26px}
.form-band h2{font-family:var(--font-head);color:var(--primary);font-size:clamp(22px,3vw,29px);margin:20px 0 6px}
.inquiry-form{background:var(--plate);border:1px solid var(--line);padding:18px 20px;max-width:820px}
.inquiry-form label{display:block;font-weight:600;margin:12px 0 4px;font-size:15.5px}
.inquiry-form input[type=text],.inquiry-form input[type=email],.inquiry-form textarea{width:100%;padding:10px 12px;border:1px solid var(--secondary);font:inherit;font-size:16px;background:#fff}
.inquiry-form textarea{min-height:130px}
.inquiry-form .req{color:var(--accent)}
.form-note{font-size:14.5px;color:var(--secondary);max-width:820px}
.cta-band{margin:34px 0 0;padding:26px 0}
.cta-band .cta-title{font-family:var(--font-head);font-size:clamp(21px,2.8vw,27px);font-weight:700;margin:0 0 6px}
.cta-band p{max-width:760px;margin:0 0 14px}
.cta-quote{background:var(--primary);color:#fff}.cta-quote .btn{background:#fff;color:var(--primary);border-color:#fff}
.cta-list{background:var(--ink);color:#fff}.cta-list .btn{background:var(--accent);border-color:var(--accent);color:#fff}
.cta-check{background:var(--surface);border-top:2px solid var(--primary);border-bottom:2px solid var(--primary)}
.cta-compare{background:var(--plate);border-top:2px solid var(--accent);border-bottom:2px solid var(--accent)}
.cta-read{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-supply{background:var(--primary);color:#fff}.cta-supply .btn{background:#fff;color:var(--primary);border-color:#fff}
.site-footer{background:var(--ink);color:#DCE5EC;margin-top:40px;padding:30px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:26px}
.site-footer h3,.site-footer h2{color:#fff;font-size:17px;margin:0 0 10px;font-family:var(--font-head)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:5px 0;font-size:15px}
.site-footer a{color:#DCE5EC;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand .wordmark{color:#fff}
.footer-note{font-size:13.5px;color:#9FB2C0;max-width:900px}
.footer-legal{border-top:1px solid #33424E;margin-top:20px;padding-top:12px;font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.post-meta{font-family:var(--font-mono);font-size:13.5px;color:var(--secondary)}
@media (max-width:900px){
.card-grid,.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
.related-list{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.hero-grid{grid-template-columns:1fr}
.site-nav{display:none}
.navmenu{display:block;margin-left:auto}
.mobilemenu{border-top:1px solid var(--line);background:var(--plate)}
.nav:has(.navmenu[open]) .mobilemenu{display:block}
.mobilemenu ul{list-style:none;margin:0;padding:8px 20px 14px}
.mobilemenu li{margin:7px 0}
.mobilemenu a{text-decoration:none;font-weight:600;color:var(--ink)}
.header-in>.btn{display:none}
}
@media (max-width:560px){
.card-grid,.card-grid.four{grid-template-columns:1fr}
.related-list{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.spec-plate dl{grid-template-columns:92px 1fr}
}