:root{--ink:#16263a;--sub:#4b5e73;--line:#e4eaf1;--bg:#fff;--soft:#f5f8fb;--brand:#0e4f8f;--brand2:#0d7ea8;--accent:#b98a2f}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.66}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.topbar{background:#0d2b47;color:#cfe0f2;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:14px;padding:7px 24px;flex-wrap:wrap}
.topbar a{color:#cfe0f2}
header.site{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.97);z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-size:22px;font-weight:800;letter-spacing:1px;color:var(--brand)}
.logo span{color:var(--accent)}
nav.main{display:flex;gap:16px;align-items:center}
nav.main a{color:var(--ink);font-weight:600;font-size:14.5px;white-space:nowrap}
nav.main a:hover,nav.main a.on{color:var(--brand)}
.navbtn{display:none;font-size:26px;line-height:1;cursor:pointer;color:var(--brand);background:none;border:0;padding:4px 8px}
.navtoggle{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.navtoggle:focus ~ .navbtn{outline:2px solid var(--brand2);outline-offset:3px}
.sr:focus{position:fixed;left:16px;top:16px;background:#fff;border:2px solid var(--brand);color:var(--brand);padding:8px 14px;border-radius:6px;z-index:200}
:root{--navy:#0d2b47}
.hero{background:#0d2b47 url("assets/hero.svg") right center/cover no-repeat;color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,34,56,.97) 0%,rgba(13,43,71,.90) 40%,rgba(13,43,71,.52) 72%,rgba(13,43,71,.30) 100%)}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:40px;line-height:1.2;max-width:760px;font-weight:800}
.hero p{margin-top:18px;font-size:18px;max-width:680px;color:#dbe9f7}
.hero .btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;border-radius:6px;font-weight:700;font-size:15px;cursor:pointer;border:0}
.btn.primary{background:#fff;color:var(--brand)}
.btn.ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff;background:none}
.btn.dark{background:var(--brand);color:#fff}
.btn.outline{border:1.5px solid var(--brand);color:var(--brand);background:none}
.trust{background:#0a2238;color:#b9cfe4;padding:14px 0;font-size:14px}
.trust .wrap{display:flex;gap:34px;flex-wrap:wrap;justify-content:center}
.trust b{color:#fff}
section{padding:60px 0}
section.soft{background:var(--soft)}
.kicker{color:var(--brand2);font-weight:800;font-size:13px;letter-spacing:2px;text-transform:uppercase}
h2.title{font-size:30px;margin:8px 0 14px;font-weight:800}
h1.title{font-size:31px;margin:8px 0 14px;font-weight:800;line-height:1.25}
h3{line-height:1.35}
p.lead{color:var(--sub);max-width:800px}
.grid{display:grid;gap:22px;margin-top:30px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.card h3{font-size:18px;margin-bottom:8px;color:var(--brand)}
.card p{font-size:14px;color:var(--sub)}
.card .tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--brand2);letter-spacing:1px}
.spec{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.spec th,.spec td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.spec th{background:var(--soft);width:240px;font-weight:700}
.badge{display:inline-block;background:#eaf3fb;color:var(--brand);border-radius:4px;padding:3px 10px;font-size:12px;font-weight:700;margin:3px 4px 3px 0}
.cta{background:#0d2b47;color:#fff;text-align:center;padding:56px 0}
.cta h2{font-size:26px;font-weight:800}
.cta p{color:#c8dcec;margin-top:10px}
.cta .btns{display:flex;gap:14px;justify-content:center;margin-top:22px;flex-wrap:wrap}
footer.site{background:#0a1c2e;color:#8fa8c0;font-size:14px;padding:40px 0}
footer.site .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer.site a{color:#bcd3e8}
.fcol h4{color:#fff;font-size:15px;margin-bottom:10px}
.fcol{max-width:300px}
.legalbar{background:#081524;color:#6d87a1;font-size:12.5px;padding:14px 0}
.legalbar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.crumbs{font-size:13px;color:var(--sub);padding:16px 0 0}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.pcard{border:1px solid var(--line);border-radius:10px;padding:22px;background:#fff}
.pcard h3{font-size:16.5px;color:var(--ink)}
.pcard .cas{font-size:13px;color:var(--sub);margin:6px 0 10px}
.pcard a.more{font-size:13.5px;font-weight:700}
.herocard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;margin-top:30px;box-shadow:0 10px 30px rgba(13,43,71,.08)}
.herocard .badge-flag{display:inline-block;background:#0e4f8f;color:#fff;font-size:12px;font-weight:800;padding:4px 12px;border-radius:20px;letter-spacing:1px;margin-bottom:12px}
.ruo{font-size:13px;color:var(--sub);border-left:3px solid var(--accent);padding-left:12px;margin-top:14px}
.catbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.catbar a{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:7px 16px;font-size:13.5px;font-weight:700;color:var(--brand)}
.catfilter{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:20px 0 6px}
.catfilter input{flex:1 1 340px;min-width:240px;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;color:var(--ink)}
.catfilter select{padding:11px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.catfilter .catcount{font-size:13px;color:var(--sub);font-weight:700}
table.catalog td{vertical-align:top}
table.catalog tr:hover td{background:#fbfdff}
.mono,.data{font-family:'Cascadia Mono',Consolas,'SF Mono',Menlo,monospace;font-size:.94em;letter-spacing:-.01em}
.glance{border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:8px;background:var(--soft);padding:18px 22px;margin:20px 0 4px}
.glance dl{display:grid;grid-template-columns:auto 1fr;gap:6px 22px;margin:0}
.glance dt{font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--brand2);font-weight:800;padding-top:2px}
.glance dd{font-size:14.5px;color:var(--ink);margin:0}
figure.diagram{margin:28px 0;border:1px solid var(--line);border-radius:10px;background:#fff;padding:22px}
figure.diagram svg{display:block;width:100%;height:auto}
figure.diagram img{display:block;width:100%;max-width:770px;height:auto;margin:0 auto;border-radius:6px}
.famband{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff;margin:6px 0 20px}
.band-wide{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff;margin:24px 0 6px}
figure.diagram figcaption{font-size:13px;color:var(--sub);margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
h2.title,h1.title{letter-spacing:-.015em}
p.lead{font-size:16.5px}
.qform{display:grid;gap:14px;margin-top:22px;max-width:620px}
.qform label{display:block;font-size:13.5px;font-weight:700;color:var(--ink)}
.qform input,.qform textarea{width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:6px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
.qform input:focus,.qform textarea:focus{outline:2px solid #cfe3f7;border-color:var(--brand2)}
.qform .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.formbtns{display:flex;gap:12px;flex-wrap:wrap}
.note{font-size:13px;color:var(--sub);margin-top:8px}
details.faq{border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-bottom:12px;background:#fff}
details.faq summary{font-weight:700;cursor:pointer;color:var(--ink);font-size:15.5px}
details.faq p{margin-top:10px;color:var(--sub);font-size:14.5px}
.step{display:flex;gap:16px;margin-top:20px;align-items:flex-start}
.step .n{flex:0 0 34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
table.cmp{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:9px 12px;text-align:left}
table.cmp th{background:var(--soft)}
@media(max-width:900px){.g3,.pgrid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:31px}}
@media(max-width:820px){
  header.site .wrap{flex-wrap:wrap;height:auto;padding:12px 24px}
  .navbtn{display:block;margin-left:auto}
  nav.main{display:none;width:100%;flex-direction:column;align-items:flex-start;gap:0;padding:8px 0 4px}
  nav.main a{padding:10px 0;width:100%;border-top:1px solid var(--line)}
  .navtoggle:checked ~ nav.main{display:flex}
  .qform .row{grid-template-columns:1fr}
}
@media(max-width:600px){.g3,.g2,.pgrid{grid-template-columns:1fr}section{padding:44px 0}.hero{padding:60px 0 52px}}