:root{--navy:#123a7a;--navy2:#0d2a5a;--amber:#ffb020;--bg:#f5f7fb;--ink:#1c2433;--mut:#6b7488;--line:#e2e7f0;--r:12px}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}
img{max-width:100%;display:block}
a{color:var(--navy)}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.narrow{max-width:800px}.center{text-align:center}
.topbar{background:var(--navy2);color:#dbe6ff;font-size:13px;padding:6px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
.hdr{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
.hdr-in{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:20px;color:var(--navy)}
.nav{display:flex;align-items:center;gap:18px}
.nav a{text-decoration:none;color:var(--ink);font-weight:500}
.nav a:hover{color:var(--navy)}
.nav-toggle{display:none;background:none;border:0;font-size:26px}
.btn{display:inline-block;background:var(--amber);color:#1c1400;border:0;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;cursor:pointer;font-size:16px}
.btn:hover{filter:brightness(.95)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-ghost{background:transparent;border:2px solid #fff;color:#fff}
.detail .btn-ghost,.filters .btn-ghost{border-color:var(--navy);color:var(--navy)}
.hero{background:linear-gradient(120deg,rgba(13,42,90,.93),rgba(18,58,122,.75)),var(--hero,none) center/cover,var(--navy);color:#fff;padding:70px 0}
.hero h1{font-size:clamp(28px,4.5vw,46px);line-height:1.15;margin:12px 0}
.hero p{font-size:18px;max-width:640px;color:#e3ecff}
.pill{background:rgba(255,255,255,.15);padding:5px 14px;border-radius:999px;font-size:13px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.ticks{list-style:none;padding:0;display:flex;gap:18px;flex-wrap:wrap;margin:14px 0}
.ticks li:before{content:"✓ ";color:var(--amber);font-weight:800}
.sec{padding:52px 16px}
.sec.alt{background:var(--bg);padding:52px 0}
h1{font-size:clamp(26px,3.5vw,36px);margin:0 0 8px}
h2{font-size:clamp(22px,3vw,30px);margin:0 0 8px}
.sub{color:var(--mut);margin:0 0 22px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px;margin:22px 0}
.card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:.2s}
.card:hover{box-shadow:0 10px 26px rgba(18,58,122,.12);transform:translateY(-2px)}
.card-img{position:relative;display:block;background:#eef2f9;aspect-ratio:3/2}
.card-img img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;top:10px;left:10px;background:var(--navy);color:#fff;font-size:12px;padding:3px 10px;border-radius:999px}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:18px}.card h3 a{text-decoration:none;color:var(--ink)}
.specs{list-style:none;padding:0;margin:0;color:#3b4560;font-size:14px}
.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.price{font-size:24px;font-weight:800;color:var(--navy)}.price small{font-size:13px;color:var(--mut);font-weight:500}
.price.big{font-size:34px;margin:8px 0}
.cmp{font-size:13px;color:var(--mut)}
.steps,.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:20px}
.steps>div,.feat>div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.steps b{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--navy);color:#fff;border-radius:50%}
.steps h3,.feat h3{margin:8px 0 4px}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600}
.cta-band{background:var(--navy);color:#fff;text-align:center;padding:48px 16px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:16px 0}
.filters select,.form input,.form select,.form textarea{padding:10px 12px;border:1px solid #cfd6e4;border-radius:8px;font:inherit;width:100%;background:#fff}
.filters select{width:auto}
.chk{display:flex;gap:6px;align-items:center}.chk input{width:auto}
.detail{display:grid;grid-template-columns:1.1fr 1fr;gap:34px;margin:16px 0 30px}
.gallery>img{border-radius:var(--r);width:100%;aspect-ratio:3/2;object-fit:cover;background:#eef2f9}
.thumbs{display:flex;gap:8px;margin-top:8px}.thumbs img{width:80px;height:56px;object-fit:cover;border-radius:8px;cursor:pointer;border:1px solid var(--line)}
.crumb{font-size:14px;color:var(--mut)}
.spec-table{width:100%;border-collapse:collapse;margin:14px 0 30px}
.spec-table th,.spec-table td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{width:200px;background:var(--bg);font-weight:600}
.cmp-table td img{width:160px;margin-bottom:6px}
.cmp-table tr.diff td{background:#fff8e6}
.tscroll{overflow-x:auto}
.box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:22px 0}
.two{display:grid;grid-template-columns:2fr 1fr;gap:22px}
.form label{display:block;font-size:14px;font-weight:600;margin:0 0 12px}
.form label>input,.form label>select,.form label>textarea{margin-top:4px;font-weight:400}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.muted{color:var(--mut);font-size:13px}
.alert{padding:12px 16px;border-radius:8px;margin:14px 0}
.alert-ok{background:#e6f7ec;color:#14532d}.alert-err{background:#fde8e8;color:#7f1d1d}
.prose h2{margin-top:24px}
.ftr{background:var(--navy2);color:#c8d6f2;padding:40px 0 0;margin-top:0}
.ftr-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:28px}
.ftr h4{color:#fff;margin:0 0 10px}.ftr a{display:block;color:#c8d6f2;text-decoration:none;margin:4px 0}
.copy{text-align:center;padding:18px;margin-top:28px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.wa-float{position:fixed;right:16px;bottom:16px;background:#25d366;color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:60}
.cmp-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;display:flex;gap:14px;align-items:center;z-index:70}
.cmp-bar[hidden]{display:none}
@media(max-width:800px){
 .nav-toggle{display:block}
 .nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px;border-bottom:1px solid var(--line)}
 body.nav-open .nav{display:flex}
 .detail,.two,.row2,.ftr-grid{grid-template-columns:1fr}.ftr-grid{gap:18px}
 .spec-table th{width:120px}
 .topbar .wrap span:first-child{display:none}
}
.copy a{display:inline;margin:0;color:#ffb020;font-weight:600}
.crumb{font-size:14px;color:var(--mut);margin-bottom:8px}