:root{--blue:#1f2fe0;--navy:#0b1345;--ink:#17203a;--mut:#5d6783;--orange:#f57c00;--orange2:#ff9a2e;--bg:#f3f5fb;--line:#dde2f0;--card:#fff;--r:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 "Segoe UI",system-ui,Arial,sans-serif;color:var(--ink);background:#fff}
img{max-width:100%;height:auto}a{color:var(--blue)}h1,h2,h3{line-height:1.2;color:var(--navy)}h1{font-size:clamp(26px,3.4vw,38px);margin:.4em 0}h2{font-size:clamp(22px,2.4vw,28px)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.wrapw{max-width:1240px;margin:0 auto;padding:0 20px}
/* top bar */
.top{background:#2b2f3a;color:#fff;font-size:14px}.top .wrapw{display:flex;gap:26px;align-items:center;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.top span{display:inline-flex;gap:8px;align-items:center}.top svg{width:16px;height:16px;fill:none;stroke:var(--orange2);stroke-width:2}
.top img{height:20px;width:auto;filter:invert(1) brightness(2)}
/* header */
header.hd{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(11,19,69,.08)}
header .wrapw{display:flex;align-items:center;gap:18px;min-height:86px}
.logo img{height:68px;width:auto;display:block}
nav.main{margin-left:auto}nav.main>ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
nav.main li{position:relative}nav.main>ul>li>a{display:block;padding:10px 14px;color:var(--ink);text-decoration:none;font-weight:600;border-radius:8px}
nav.main>ul>li>a:hover,nav.main>ul>li>a.on{color:var(--blue);background:#eef0ff}
nav.main li.dd>a::after{content:" +";color:var(--orange);font-weight:700}
.sub{display:none;position:absolute;left:0;top:100%;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px rgba(11,19,69,.16);padding:6px;list-style:none;margin:0}
nav.main li.dd:hover>.sub,nav.main li.dd:focus-within>.sub{display:block}.sub a{display:block;padding:9px 12px;border-radius:7px;color:var(--ink);text-decoration:none}.sub a:hover{background:#eef0ff;color:var(--blue)}
.btn{display:inline-block;background:var(--orange);color:#fff;padding:11px 22px;border-radius:9px;text-decoration:none;font-weight:700;border:2px solid var(--orange);cursor:pointer;font-size:15px}
.btn:hover{background:#d96b00;border-color:#d96b00}.btn.ghost{background:transparent;color:var(--blue);border-color:var(--blue)}.btn.ghost:hover{background:var(--blue);color:#fff}.btn.sm{padding:7px 14px;font-size:14px}.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.menu{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;font-size:22px;padding:4px 12px;cursor:pointer}
/* hero */
.hero{background:linear-gradient(115deg,var(--blue) 0 46%,#0e1a9c 46% 54%,var(--navy) 54%);color:#fff;position:relative;overflow:hidden}
.hero .wrapw{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;padding-top:58px;padding-bottom:58px}
.hero h1{color:#fff;font-size:clamp(30px,4vw,48px)}.hero p{font-size:18px;max-width:34em;opacity:.95}.hero .eyebrow{color:var(--orange2);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.heropics{display:grid;grid-template-columns:1fr 1fr;gap:14px}.heropics a{text-decoration:none;background:#fff;border-radius:14px;padding:10px;display:block;box-shadow:0 12px 30px rgba(0,0,0,.28);transition:transform .2s}.heropics a:hover{transform:translateY(-4px)}
.heropics a:first-child{grid-column:span 2}.heropics img{display:block;width:100%;height:170px;object-fit:contain}.heropics a:first-child img{height:230px}.heropics span{display:block;text-align:center;color:var(--navy);font-weight:700;font-size:14px;margin-top:4px}
/* sections */
section.s{padding:54px 0}section.s.alt{background:var(--bg)}.s .head{display:flex;justify-content:space-between;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:22px}.s .head h2{margin:0}.s .head p{margin:6px 0 0;color:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.grid.g4{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:block;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .2s,border-color .2s}
a.card:hover{box-shadow:0 10px 26px rgba(11,19,69,.13);transform:translateY(-3px);border-color:var(--blue)}.card h3{margin:.2em 0 .3em;font-size:19px}.card p{margin:0;color:var(--mut);font-size:15px}
.card .ico{width:46px;height:46px;border-radius:11px;background:#eef0ff;display:grid;place-items:center;margin-bottom:10px;color:var(--blue);font-weight:800;font-size:20px}
.card .more{display:inline-block;margin-top:10px;color:var(--orange);font-weight:700;font-size:14px}
.pc{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}.pc .im{display:block;background:#fff;border-bottom:1px solid var(--line);padding:12px}.pc img{display:block;width:100%;height:190px;object-fit:contain}
.pc .bd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}.pc b a{color:var(--navy);text-decoration:none;font-size:17px}.pc small{color:var(--mut)}.pc .spec{font-size:13.5px;color:var(--mut)}.pc .act{margin-top:auto;display:flex;gap:8px;padding-top:8px}
.tag{display:inline-block;background:#eef0ff;color:var(--blue);padding:2px 10px;border-radius:99px;font-size:12.5px;text-decoration:none;margin:2px 4px 2px 0;font-weight:600}.tag.cat{background:#fff1e0;color:#b85c00}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}.why div{border-left:4px solid var(--orange);padding:4px 0 4px 16px}.why b{display:block;color:var(--navy);font-size:18px}.why span{color:var(--mut)}
.ctaband{background:linear-gradient(100deg,var(--navy),var(--blue));color:#fff;padding:44px 0}.ctaband .wrapw{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}.ctaband h2{color:#fff;margin:0}
/* pages */
.crumb{background:var(--bg);border-bottom:1px solid var(--line);font-size:14px}.crumb .wrapw{padding-top:10px;padding-bottom:10px;color:var(--mut)}.crumb a{text-decoration:none}
.pagehead{background:linear-gradient(100deg,var(--navy),var(--blue));color:#fff;padding:30px 0}.pagehead h1{color:#fff;margin:0}.pagehead p{margin:.4em 0 0;opacity:.9;max-width:50em}
.layout{display:grid;grid-template-columns:260px 1fr;gap:30px;padding:34px 0 60px}aside.side h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:20px 0 8px}aside.side ul{list-style:none;margin:0;padding:0}aside.side li a{display:block;padding:7px 10px;border-radius:7px;text-decoration:none;color:var(--ink);font-size:15px}aside.side li a:hover{background:#eef0ff}aside.side li a.on{background:var(--blue);color:#fff}
.search{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
/* product */
.prodtop{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:34px;padding:30px 0 10px}
.gal .main{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:14px;position:relative}.gal .main img{display:block;width:100%;height:400px;object-fit:contain}
.thumbs{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.thumbs button{border:2px solid var(--line);border-radius:9px;padding:3px;background:#fff;cursor:pointer}.thumbs button.on{border-color:var(--orange)}.thumbs img{display:block;width:78px;height:60px;object-fit:contain}
.pinfo h1{margin-top:0}.pinfo .model{color:var(--mut);font-weight:600}.pinfo ul.hl{padding-left:20px}.pinfo .btns{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.keyspecs{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin:14px 0}.keyspecs div{background:var(--bg);border-radius:9px;padding:10px 12px;font-size:14px}.keyspecs b{display:block;color:var(--navy);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.tabs{border-bottom:2px solid var(--line);margin-top:26px;position:sticky;top:86px;background:#fff;z-index:20}.tabs ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;overflow-x:auto}.tabs a{display:block;padding:13px 17px;text-decoration:none;color:var(--ink);font-weight:600;white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-2px}.tabs a:hover{color:var(--blue)}.tabs a.on{color:var(--blue);border-color:var(--orange)}
.tabbody{padding:28px 0 56px;max-width:980px}.tabbody h2:first-child{margin-top:0}
table.spec{border-collapse:collapse;width:100%}table.spec th,table.spec td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}table.spec th{width:34%;background:var(--bg);color:var(--navy)}
ul.check{list-style:none;padding:0}ul.check li{padding:6px 0 6px 28px;position:relative}ul.check li::before{content:"";position:absolute;left:4px;top:13px;width:10px;height:10px;border-radius:50%;background:var(--orange)}
.doc{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:10px 0;text-decoration:none;color:inherit}.doc:hover{border-color:var(--blue)}.doc .pdf{background:#e53935;color:#fff;font-weight:800;font-size:12px;padding:8px 9px;border-radius:7px}.doc small{color:var(--mut);display:block}
.catpages{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.catpages img{border:1px solid var(--line);border-radius:8px;width:100%}
.vid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.vid .v{position:relative;display:block;border-radius:10px;overflow:hidden;background:#000;aspect-ratio:16/9;border:0;padding:0;cursor:pointer;width:100%}.vid .v img{width:100%;height:100%;object-fit:cover;opacity:.85}.vid .v::after{content:"";position:absolute;inset:0;margin:auto;width:62px;height:44px;background:#e53935;border-radius:12px}.vid .v::before{content:"";position:absolute;inset:0;margin:auto;width:0;height:0;border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;z-index:2;transform:translateX(3px)}.vid iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:10px}
details.faq{border:1px solid var(--line);border-radius:10px;margin:10px 0;background:#fff}details.faq summary{padding:14px 16px;cursor:pointer;font-weight:700;color:var(--navy)}details.faq div{padding:0 16px 14px;color:var(--ink)}
.note{background:#fff8ec;border:1px solid #ffd9a1;border-radius:10px;padding:12px 16px;color:#7a4a00}.sample{background:#fff1e0;color:#b85c00;border-radius:6px;padding:1px 8px;font-size:12px;font-weight:700;margin-left:6px}
/* article */
.art{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;padding:30px 0 60px}.art .body{max-width:780px;font-size:17px}.art .body img,.art .body svg{max-width:100%;height:auto}
.art aside{background:var(--bg);border-radius:12px;padding:6px 18px 18px;align-self:start}.art aside h3{font-size:15px}.art aside ul{padding-left:18px}
/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;padding:34px 0 60px}.contact .info p{display:flex;gap:12px;align-items:flex-start;margin:.7em 0}.contact .info svg{flex:none;width:22px;height:22px;stroke:var(--orange);fill:none;stroke-width:2;margin-top:3px}.contact .info img.em{height:26px;width:auto}
.map iframe{width:100%;height:330px;border:0;border-radius:12px}form.enq{background:var(--bg);border-radius:14px;padding:22px}form.enq label{display:block;font-weight:600;margin-bottom:12px;font-size:14px}form.enq input,form.enq select,form.enq textarea{display:block;width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;margin-top:4px;background:#fff}.hp{position:absolute;left:-5000px}
footer.ft{background:var(--navy);color:#c9d0ee;padding:42px 0 18px;font-size:15px}footer.ft .wrapw{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}footer.ft h4{color:#fff;margin:0 0 10px}footer.ft a{color:#c9d0ee;text-decoration:none;display:block;padding:2px 0}footer.ft a:hover{color:#fff}footer.ft .copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:14px;font-size:13px}
@media(max-width:980px){.menu{display:block}nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 14px 24px rgba(0,0,0,.12);padding:8px 16px 16px}nav.main.open{display:block}nav.main>ul{flex-direction:column;align-items:stretch}.sub{display:block;position:static;box-shadow:none;border:0;padding:0 0 0 14px}nav.main li.dd>a::after{content:""}
.hero{background:linear-gradient(160deg,var(--blue),var(--navy))}.hero .wrapw,.prodtop,.layout,.art,.contact,footer.ft .wrapw{grid-template-columns:1fr}.layout aside.side{order:2}.tabs{top:86px}.gal .main img{height:300px}.top .hide-s{display:none}}
.book{background:var(--bg);border-left:4px solid var(--orange);border-radius:8px;padding:12px 18px;margin:14px 0 22px;font-size:15px}.book ol{margin:6px 0 0;padding-left:20px}.book a.on{font-weight:700;color:var(--navy);text-decoration:none}
.bookpn{display:flex;justify-content:space-between;gap:12px;margin-top:30px;padding-top:16px;border-top:1px solid var(--line);font-weight:600}.art .body table{border-collapse:collapse;max-width:100%}.art .body td,.art .body th{border:1px solid var(--line);padding:8px 10px;vertical-align:top}
.art .body td img{max-height:340px;width:auto;max-width:100%}.art .body img{height:auto;border-radius:6px}