:root{--primary:#1E3A5F;--secondary:#3B82A6;--accent:#F59E0B;--text:#1F2937;--bg:#F8FAFC;--border:#D7E0E8;--radius:8px}
*{box-sizing:border-box}body{margin:0;font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.65}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header-in{display:flex;align-items:center;gap:24px;padding:12px 24px}
.brand{text-decoration:none;color:var(--primary);display:flex;align-items:baseline;gap:8px}
.brand-mark{font-weight:700;font-size:22px;letter-spacing:1px}.brand-sub{font-size:13px;color:var(--secondary)}
.main-nav{flex:1}.nav-list{list-style:none;display:flex;gap:4px;margin:0;padding:0;flex-wrap:wrap}
.nav-list>li{position:relative}.nav-list a{display:block;padding:10px 12px;color:var(--text);text-decoration:none;font-size:15px;border-radius:6px}
.nav-list a:hover{background:#EEF3F8}.nav-list .active>a{color:var(--primary);font-weight:600}
.has-sub .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);border-radius:8px;list-style:none;padding:8px;margin:0;min-width:240px;box-shadow:0 8px 24px rgba(30,58,95,.12)}
.has-sub:hover .sub{display:block}.has-sub .sub a{padding:8px 12px;font-size:14px}
.btn{display:inline-block;background:var(--accent);color:#1F2937;font-weight:600;padding:12px 26px;border-radius:var(--radius);text-decoration:none;border:0;cursor:pointer}
.btn.ghost{background:#fff;border:2px solid var(--primary);color:var(--primary)}
.btn.small{padding:8px 16px;font-size:14px}.btn-row{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.menu-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;margin-left:auto}
.hero{background:linear-gradient(135deg,#1E3A5F 0%,#2C5378 100%);color:#fff;padding:64px 0}
.hero.slim{padding:44px 0}.hero h1{font-size:38px;line-height:1.25;margin:12px 0}
.hero .lede{font-size:18px;color:#D7E6F2;max-width:640px}.hero .kicker{color:var(--accent);font-weight:600;letter-spacing:1px;text-transform:uppercase;font-size:13px;margin:0}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero img{max-width:100%;border-radius:var(--radius)}
.spec-strip{background:#fff;border-bottom:1px solid var(--border)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:24px}
.strip-grid .num{display:block;font-family:"IBM Plex Mono",monospace;font-size:30px;font-weight:700;color:var(--primary)}
.strip-grid .lbl{font-size:14px;color:#5B6B7F}
.section{padding:56px 0}.section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{font-size:28px;color:var(--primary);margin:0 0 8px}.section .lede{font-size:17px;color:#45566B;max-width:760px}
.two-col{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card img{width:100%;height:170px;object-fit:cover;border-radius:6px;margin-bottom:12px}
.card h3{margin:8px 0;color:var(--primary)}
table.spec-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px;background:#fff}
.spec-table th,.spec-table td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
.spec-table thead th{background:var(--primary);color:#fff}
.spec-table code{font-family:"IBM Plex Mono",monospace;background:#EEF3F8;padding:2px 6px;border-radius:4px;font-size:13px}
.tbl-wrap{overflow-x:auto}.matrix td.y{color:#15803D;font-weight:700}.matrix td.n{color:#B91C1C}.matrix td.m{color:#B45309}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:sticky;top:90px}
.side-card h3{margin-top:0;color:var(--primary)}.check-list{list-style:none;padding:0}.check-list li{padding:6px 0 6px 28px;position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.link-list{list-style:none;padding:0}.link-list li{padding:4px 0}
.note{font-size:13.5px;color:#5B6B7F}.fact-band{background:var(--primary);color:#fff}.fact-band .num{color:#fff!important}
.cta-band{background:linear-gradient(135deg,#1E3A5F,#3B82A6);color:#fff;text-align:center;padding:56px 0}
.cta-band h2{color:#fff}.cta-band p{color:#D7E6F2}.cta-band .btn.ghost{background:transparent;color:#fff;border-color:#fff}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{padding:10px 0 10px 44px;position:relative;counter-increment:s}
.steps li:before{content:counter(s);position:absolute;left:0;top:8px;width:30px;height:30px;background:var(--primary);color:#fff;border-radius:50%;text-align:center;line-height:30px;font-weight:700}
.lead-form label{display:block;margin:12px 0;font-weight:600}.lead-form input,.lead-form textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font:inherit;margin-top:4px}
.honeypot{position:absolute;left:-9999px;top:-9999px}
.site-footer{background:#14283E;color:#C9D6E3;padding:48px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px}
.site-footer a{color:#C9D6E3;text-decoration:none}.site-footer a:hover{color:#fff}
.foot-base{border-top:1px solid #2A4159;padding:16px 24px;font-size:13px;display:flex;justify-content:space-between}
.article-body{max-width:760px}.article-body img{max-width:100%}
.blog-list .card h3 a{color:var(--primary);text-decoration:none}
@media(max-width:900px){.hero-grid,.two-col,.card-grid,.foot-grid{grid-template-columns:1fr}.strip-grid{grid-template-columns:repeat(2,1fr)}
.main-nav{display:none}.main-nav.open{display:block;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border)}
.nav-list{flex-direction:column}.menu-toggle{display:block}.hero h1{font-size:28px}.side-card{position:static}}