:root{--ink: #17222d;--muted: #56636f;--steel: #1f3a52;--steel-2: #2c5373;--accent: #e8b04a;--bg: #f6f7f8;--card: #fff;--line: #dde2e7;--good: #1d6b3a;--bad: #a1261d;--radius: 6px;--wrap: 1120px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--ink);line-height:1.55}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--steel-2)}a:hover{color:var(--steel)}h1,h2,h3{line-height:1.2;color:var(--ink)}h1{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:0 0 .6rem}h2{font-size:1.35rem;margin:2rem 0 .8rem}h3{font-size:1.05rem;margin:0 0 .4rem}img{max-width:100%}.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}.site-header{background:var(--steel);color:#fff;position:sticky;top:0;z-index:5}.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.1rem;letter-spacing:.02em}.logo svg{color:var(--accent)}.main-nav{display:flex;align-items:center;gap:4px 18px;flex-wrap:wrap;padding-block:8px}.main-nav a{color:#dce6ef;text-decoration:none;font-size:.95rem}.main-nav a:hover,.main-nav a[aria-current]{color:#fff}.main-nav a[aria-current]{box-shadow:inset 0 -2px 0 var(--accent)}.crumbs{font-size:.85rem;color:var(--muted);padding-top:14px;display:flex;gap:6px;flex-wrap:wrap}.crumbs a{color:var(--muted)}.btn{display:inline-block;background:var(--accent);color:#1b1407;font-weight:600;text-decoration:none;padding:11px 20px;border-radius:var(--radius);border:0;cursor:pointer;font-size:1rem}.btn:hover{background:#f0c064;color:#1b1407}.btn:disabled{opacity:.6;cursor:wait}.btn-small{padding:7px 14px;font-size:.9rem}.main-nav .btn{color:#1b1407}.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px #fff}.btn-ghost:hover{background:#ffffff1a;color:#fff}.btn-block{display:block;text-align:center;margin-top:12px}.hero{background:linear-gradient(160deg,var(--steel) 0%,#152a3c 100%);color:#eef3f7;padding-block:56px 64px}.hero h1{color:#fff;max-width:18ch}.hero .lead{color:#cfdbe5}.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.lead{font-size:1.12rem;color:var(--muted);max-width:70ch}.steps{list-style:none;margin:0;padding:0;display:grid;gap:12px}.steps li{background:#ffffff12;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:14px 16px;display:flex;gap:12px;align-items:flex-start}.step-n{flex:none;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#1b1407;font-weight:700;display:grid;place-items:center}.steps-plain{list-style:decimal;padding-left:1.2rem;display:block}.steps-plain li{background:none;border:0;padding:0 0 8px;display:list-item}.block{padding-block:16px 24px}.page-head{padding-block:20px 8px}.product-head{display:flex;gap:28px;align-items:flex-start}.product-head .part-icon{flex:none;color:var(--steel-2);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px}.part-icon{color:var(--steel-2)}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.cat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.cat-head{display:flex;gap:12px;align-items:center;text-decoration:none;margin-bottom:8px}.cat-head h3{margin:0}.cat-card ul{margin:0;padding-left:1.1rem}.cat-card li{margin:4px 0}.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.prod-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px}.prod-card:hover{border-color:var(--steel-2);box-shadow:0 2px 10px #14283c14}.prod-card strong{color:var(--steel)}.prod-card span{color:var(--muted);font-size:.92rem}.band{background:#e9edf1;margin-block:28px}.points{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;padding-block:32px}.points p{margin:0;color:var(--muted)}.app-list{display:grid;gap:10px}.app-item{display:grid;grid-template-columns:minmax(180px,280px) 1fr;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;text-decoration:none;color:var(--ink)}.app-item strong{color:var(--steel)}.app-item span{color:var(--muted)}.app-item:hover{border-color:var(--steel-2)}.two-col{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;padding-block:8px 32px;align-items:start}.side{display:grid;gap:16px;position:sticky;top:84px}.side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.side-box h2{font-size:1.05rem;margin:0 0 10px}.side-box ul{margin:0;padding-left:1.1rem}.ticks{padding-left:1.2rem}.ticks li{margin:5px 0}.note{font-size:.93rem;color:var(--muted);background:#eef2f5;border-left:3px solid var(--steel-2);padding:10px 14px;border-radius:0 var(--radius) var(--radius) 0}.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;margin:8px 0}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:10px 0 0;color:var(--muted)}.prose{max-width:820px;padding-bottom:24px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;background:var(--card)}th,td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}th{background:#eef2f5}.rfq-band{background:var(--steel);color:#e8eef3;margin-top:32px}.rfq-band-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-block:28px}.rfq-band h2{color:#fff;margin:0 0 6px}.rfq-band p{margin:0;color:#c8d5df;max-width:60ch}.rfq-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;gap:14px}.rfq-form label{display:grid;gap:5px;font-weight:600;font-size:.93rem}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}input,select,textarea{font:inherit;font-weight:400;padding:9px 11px;border:1px solid #c3cbd3;border-radius:5px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--steel-2);outline-offset:1px}.hint{font-weight:400;font-size:.85rem;color:var(--muted)}.hp{position:absolute;left:-9999px}.status{margin:0;min-height:1.4em}.status.good{color:var(--good)}.status.bad{color:var(--bad)}.site-footer{background:#13212e;color:#b9c6d2;padding-top:36px;margin-top:0;font-size:.93rem}.site-footer a{color:#dfe7ee}.site-footer a.btn{color:#1b1407}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}.footer-grid p{margin:4px 0}.footer-brand{color:#fff;font-weight:700}.footer-h{color:#fff;font-weight:600;margin-bottom:8px!important}.copyright{padding-block:24px;color:#7f909f;font-size:.85rem}@media(max-width:860px){.hero-grid,.two-col{grid-template-columns:1fr}.side{position:static}.app-item{grid-template-columns:1fr;gap:4px}.product-head{flex-direction:column;gap:12px}}@media(max-width:560px){.field-row{grid-template-columns:1fr}.main-nav{gap:4px 12px}.hero{padding-block:36px 40px}}