:root{--bg:#F2F4F5;--surface:#E4E9EC;--ink:#15222B;--primary:#0B5563;--accent:#E4572E;--secondary:#57707F;--line:#C7D2D8;--dark:#0E1A21;--font-head:"Avenir Next","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:18px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary)}
a:hover{color:var(--accent)}
.skip-link{position:absolute;left:-999px;top:0;background:var(--dark);color:#fff;padding:8px 12px;z-index:60}
.skip-link:focus{left:8px;top:8px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.topbar{background:var(--dark);color:#D8E2E8;font-size:15px}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff}
.site-header{background:var(--surface);border-bottom:3px solid var(--primary);position:relative}
.site-header>div:first-child{display:flex;align-items:center;gap:18px;padding-top:12px;padding-bottom:12px}
.brand{text-decoration:none;color:var(--ink);flex:0 0 auto}
.wordmark{font-family:var(--font-head);font-size:clamp(22px,2.2vw,27px);font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);display:block;line-height:1.1}
.wordmark::after{content:"";display:block;height:3px;width:72px;background:var(--accent);margin-top:4px}
.site-nav{margin-left:auto;min-width:0}
.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 8px;text-decoration:none;font-family:var(--font-head);font-size:16px;font-weight:600;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:240px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(14,26,33,.18);visibility:hidden;opacity:0;z-index:30}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{visibility:visible;opacity:1}
.nav-dropdown a{display:block;padding:7px 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:11px 20px;font-family:var(--font-head);font-weight:600;font-size:18px;border:2px solid var(--accent)}
.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}
.site-header>div:first-child>a.btn{margin-left:8px;padding:9px 16px;font-size:16px;white-space:nowrap}
.burger{display:none;cursor:pointer;margin-left:auto;padding:10px 6px}
.burger span{display:block;width:26px;height:3px;background:var(--primary);margin:5px 0}
#navtoggle{position:absolute;opacity:0;pointer-events:none}
.mobilemenu{display:none}
.waveband{background-color:var(--surface);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='24' viewBox='0 0 48 24'%3E%3Crect x='2' y='9' width='4' height='10' fill='%230B5563' fill-opacity='0.35'/%3E%3Crect x='10' y='4' width='4' height='18' fill='%230B5563' fill-opacity='0.35'/%3E%3Crect x='18' y='11' width='4' height='8' fill='%23E4572E' fill-opacity='0.55'/%3E%3Crect x='26' y='6' width='4' height='14' fill='%230B5563' fill-opacity='0.35'/%3E%3Crect x='34' y='13' width='4' height='6' fill='%230B5563' fill-opacity='0.35'/%3E%3Crect x='42' y='8' width='4' height='12' fill='%230B5563' fill-opacity='0.35'/%3E%3C/svg%3E");background-repeat:repeat-x;background-position:center;border-bottom:1px solid var(--line)}
.waveband--structure{height:12px;background-size:auto 12px}
.waveband--category{height:20px;background-size:auto 20px}
.waveband--series{height:24px;background-size:auto 24px}
.waveband--guide{height:16px;background-size:auto 16px}
.waveband--compare{height:28px;background-size:auto 28px}
.waveband--blog{height:18px;background-size:auto 18px}
.hero{padding:34px 0 6px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:34px;align-items:start}
.hero-copy>p:first-child{font-family:var(--font-head);font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.hero h1{font-family:var(--font-head);font-size:clamp(28px,3.6vw,42px);line-height:1.15;margin:0 0 14px}
.lede{font-size:20px;margin:0 0 18px;max-width:760px}
.hero-copy>div,.fam-hero-copy>div{display:flex;gap:12px;flex-wrap:wrap;margin:6px 0 14px}
.hero-copy>p:last-child{font-size:18px;font-weight:700;color:var(--accent);margin:0}
.page-image{margin:20px 0 6px}
.page-image img{width:100%;height:auto;display:block;border:1px solid var(--line)}
.page-image figcaption{font-size:15px;color:var(--secondary);margin:6px 0 0}
.hero-grid .page-image,.fam-hero .page-image{margin:0}
.evidence-strip{list-style:none;margin:22px 0 8px;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.evidence-item{background:var(--surface);padding:13px 15px}
.evidence-item>span:first-child{display:block;font-family:var(--font-head);font-size:17px;font-weight:700;color:var(--primary);line-height:1.3}
.evidence-item>span+span{display:block;font-size:14px}
.main{padding-top:14px;padding-bottom:10px}
.main h1{font-family:var(--font-head);font-size:clamp(28px,3.6vw,42px);line-height:1.15;margin:10px 0 12px}
#families h2{font-family:var(--font-head);font-size:clamp(26px,3.8vw,36px);color:var(--primary);margin:18px 0 14px}
.main h2{font-family:var(--font-head);font-size:clamp(23px,3.2vw,31px);line-height:1.2;margin:30px 0 8px;color:var(--primary)}
.main h3{font-family:var(--font-head);font-size:21px;margin:18px 0 6px}
.main p{max-width:780px}
.sec-band{margin:22px -20px 0;padding:4px 20px 12px}
.sec-band--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-band>h2:first-child{margin-top:12px}
.family-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:8px 0 10px;padding:0;list-style:none}
.family-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line)}
.family-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.family-card h3{font-family:var(--font-head);font-size:19px;font-weight:700;margin:0;padding:12px 14px 0}
.family-grid:not(.related-grid) .family-card h3::after{content:"";display:block;height:2px;width:44px;background:var(--accent);margin-top:6px}
.family-card h3 a{text-decoration:none;color:var(--primary)}
.family-card p{font-size:15px;line-height:1.45;margin:0;padding:2px 14px 14px}
.guide-list{list-style:none;margin:0 0 10px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.guide-list li{border-left:4px solid var(--secondary);padding:7px 12px;background:var(--surface)}
.guide-list a{font-weight:700}
.spec-table{border-collapse:collapse;width:100%;max-width:980px;margin:12px 0 18px;background:#fff}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top;font-size:16px}
.spec-table th{background:var(--dark);color:#fff;font-family:var(--font-head);font-size:16px}
.spec-table tr:nth-child(even) td{background:var(--bg)}
.confirm-box{border:2px solid var(--accent);background:#FDF0EA;padding:16px 20px;margin:24px 0;max-width:780px}
.confirm-box h3{color:var(--primary);margin-top:0;font-family:var(--font-head);font-size:21px}
.confirm-box ul{margin:8px 0 0;padding-left:20px}
.detail-evidence{display:grid;grid-template-columns:auto 1fr auto;gap:8px 22px;align-items:baseline;border:1px solid var(--line);background:var(--surface);padding:14px 18px;margin:20px 0;max-width:980px}
.detail-evidence-model{font-family:var(--font-head);font-size:21px;font-weight:700;color:var(--primary);margin:0}
.detail-evidence-source{font-size:16px;margin:0}
.detail-evidence-buyer{font-size:16px;font-weight:700;color:var(--accent);margin:0}
.fam-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:34px;align-items:start;margin-top:6px}
.breadcrumb{font-size:15px;color:var(--secondary);margin:10px 0 0}
.breadcrumb a{color:var(--secondary)}
h2:has(+ .family-grid){margin-top:32px}
.cta-band{background:var(--primary);color:#fff;padding:26px max(20px,calc((100% - 1180px)/2 + 20px));margin:34px 0 10px}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#fff;max-width:780px}
.cta-band--category{border-top:4px solid var(--accent)}
.cta-band--series{border-top:6px solid var(--accent)}
.cta-band--guide{border-top:3px solid var(--accent)}
.cta-band--compare{border-top:5px solid var(--dark)}
.cta-band--blog{border-top:2px solid var(--accent)}
.cta-band--structure{border-top:3px solid var(--secondary)}
.cta-button{display:inline-block;background:#fff;color:var(--primary);text-decoration:none;padding:11px 20px;font-family:var(--font-head);font-weight:600;font-size:18px;border:2px solid #fff;margin:6px 10px 0 0}
.cta-button:hover{background:var(--surface);color:var(--primary)}
.cta-email{color:#fff}
.inquiry-form{max-width:640px;margin:18px 0}
.form-field{margin:14px 0}
.form-field label{display:block;font-weight:700;margin-bottom:4px}
.form-field input,.form-field textarea{width:100%;padding:9px 10px;border:1px solid var(--line);background:#fff;font:inherit;font-size:17px}
.form-field textarea{min-height:120px}
.form-submit{background:var(--accent);color:#fff;border:0;padding:12px 22px;font-family:var(--font-head);font-weight:600;font-size:19px;cursor:pointer}
.blog-meta{font-family:var(--font-mono);font-size:14px;color:var(--secondary)}
.site-footer{background:var(--dark);color:#D8E2E8;margin-top:34px}
.footer-inner{display:flex;gap:34px;flex-wrap:wrap;padding-top:28px;padding-bottom:28px}
.f-col{min-width:180px}
.f-brand{max-width:420px}
.footer-wordmark{font-family:var(--font-head);font-size:23px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin:0 0 8px}
.f-brand>p:last-child{font-size:16px;margin:0}
.f-brand>p:last-child a{color:#fff}
.f-col:not(.f-brand)>p{font-family:var(--font-head);font-size:17px;font-weight:700;color:#fff;margin:0 0 8px}
.f-col ul{list-style:none;margin:0;padding:0}
.f-col li{margin:4px 0}
.f-col ul a{color:#D8E2E8;text-decoration:none}
.f-col ul a:hover{color:#fff;text-decoration:underline}
@media(max-width:1020px){.family-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.evidence-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){
.site-nav{display:none}
.site-header>div:first-child>a.btn{display:none}
.burger{display:block}
#navtoggle:checked ~ .mobilemenu,.site-header:has(#navtoggle:checked) .mobilemenu{display:block}
.mobilemenu{background:#fff;border-top:1px solid var(--line);padding:10px 20px 16px;max-height:70vh;overflow:auto}
.mobilemenu a{display:block;padding:7px 4px;text-decoration:none;color:var(--ink);font-size:17px}
.mobilemenu>a{font-family:var(--font-head);font-weight:700;color:var(--primary);margin-top:8px}
.mobilemenu>a:last-child{margin-top:14px;background:var(--accent);color:#fff;text-align:center;font-family:var(--font-head);font-size:18px;padding:11px}
.hero-grid,.fam-hero{grid-template-columns:1fr}
.detail-evidence{grid-template-columns:1fr}
}
@media(max-width:640px){.family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-list{grid-template-columns:1fr}}
@media(max-width:420px){.family-grid{grid-template-columns:1fr}.evidence-strip{grid-template-columns:1fr}body{font-size:17px}.topbar-in{font-size:14px}}