:root{--navy:#0A1A33;--navy2:#0F2547;--ink:#13294B;--cyan:#19C3FF;--teal:#00E0C6;--blue:#1E6FD9;--mist:#EEF3FA;--line:#D9E2EE;--text:#1B2638;--sub:#55657E;--ok:#11875A;--studio:radial-gradient(ellipse at 50% 40%,#fff 0,#F4F7FB 55%,#E3EAF4 100%)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:Sora,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55;font-size:15px}
a{color:var(--blue)}img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
/* header */
header.top{position:sticky;top:0;z-index:20;background:var(--navy);box-shadow:0 2px 14px rgba(0,0,0,.18)}
.bar{display:flex;align-items:center;gap:22px;height:68px}
.logo img{height:40px;width:auto}
.search{flex:1;max-width:520px}
.search input{width:100%;padding:10px 14px;border-radius:10px;border:1px solid #2a4170;background:#11284f;color:#fff;font:inherit;font-size:14px}
.search input::placeholder{color:#8ea3c4}
.links{margin-left:auto;display:flex;gap:20px;font-size:14px}.links a{color:#C9D6EA;text-decoration:none}.links a:hover{color:#fff}
/* cart: header button + slide-in panel (site.js) */
.cartbtn{margin-left:6px;display:flex;align-items:center;gap:7px;background:#11284f;border:1px solid #2a4170;color:#fff;border-radius:10px;padding:8px 12px;font:inherit;font-size:14px;cursor:pointer}
.cartbtn:hover{border-color:var(--cyan)}.cartbtn b:not(:empty){background:var(--teal);color:#04152B;border-radius:9px;padding:0 7px;font-size:12px}
.cartwrap{position:fixed;inset:0;z-index:60;pointer-events:none}.cartwrap.open{pointer-events:auto}
.cartshade{position:absolute;inset:0;background:rgba(6,16,34,.45);opacity:0;transition:opacity .2s}.cartwrap.open .cartshade{opacity:1}
.cartpanel{position:absolute;top:0;right:0;bottom:0;width:min(420px,100%);background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s ease;box-shadow:-10px 0 40px rgba(6,16,34,.25)}
.cartwrap.open .cartpanel{transform:none}body.cartopen{overflow:hidden}
.carthead{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line);font-size:17px}
.cartx{border:0;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--sub)}
.cartbody{flex:1;overflow-y:auto;padding:8px 20px}.cartempty{color:var(--sub);margin:30px 0;text-align:center}
.cartline{display:grid;grid-template-columns:64px 1fr auto;gap:12px;padding:14px 0;border-bottom:1px solid #EDF2F8;align-items:start;font-size:14px}
.cartline img,.cartline i{width:64px;height:64px;object-fit:contain;background:var(--studio);border-radius:10px;display:block}
.cartline a{color:var(--text);text-decoration:none;font-weight:600}.cartopt{display:block;color:var(--sub);font-size:13px}
.cartqty{display:flex;align-items:center;gap:6px;margin-top:8px}.cartqty span{min-width:22px;text-align:center}
.cartqty button{border:1px solid var(--line);background:#fff;border-radius:8px;min-width:28px;height:28px;cursor:pointer;font:inherit}
.cartqty .cartrm{border:0;color:var(--blue);margin-left:6px;padding:0}
.cartfoot{padding:16px 20px 22px;border-top:1px solid var(--line)}.cartsub{display:flex;justify-content:space-between;font-size:17px}
.cartgo{width:100%;margin-top:6px;padding:14px}
[data-quote-count]:not(:empty){background:var(--teal);color:#04152B;border-radius:9px;padding:0 7px;font-size:12px;font-weight:700;margin-left:2px}
.catnav{background:var(--navy2);border-top:1px solid #1d3157}
.catnav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.catnav a{color:#B9C8E0;text-decoration:none;font-size:13px;padding:9px 11px;white-space:nowrap;border-radius:8px}
.catnav a:hover{color:#fff;background:#173564}
/* hero */
.hero{background:radial-gradient(1200px 520px at 78% 0%,#13408a 0%,var(--navy) 62%);color:#fff;position:relative;overflow:hidden}
.hgrid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:86px}
.eyebrow{color:var(--teal);text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700;margin:0 0 10px}
.hero h1{font-size:46px;margin:0 0 16px;font-weight:700}
.hero h1 span{background:linear-gradient(90deg,var(--cyan),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--sub);font-size:17px;max-width:720px}
.hero .lede{color:#B9C8E0}
.hsearch{display:flex;gap:8px;margin:22px 0 18px;max-width:560px}
.hsearch input{flex:1;padding:13px 16px;border-radius:10px;border:0;font:inherit}
.hbtns .btn{margin:0 10px 10px 0}
/* hero: real products, lit, floating over a soft glow */
.showcase{position:relative;width:100%;max-width:560px;aspect-ratio:1/.88;justify-self:center}
.showcase:before{content:"";position:absolute;inset:6% 4%;border-radius:50%;background:radial-gradient(closest-side,rgba(25,195,255,.28),rgba(0,224,198,.08) 60%,transparent);filter:blur(8px)}
.shot{position:absolute;display:block;transition:transform .25s ease}.shot:hover{transform:translateY(-5px) scale(1.03)}
.shot img{width:100%;height:auto;filter:drop-shadow(0 22px 34px rgba(0,0,0,.5))}
.s1{left:56%;top:0;width:40%}.s2{left:0;top:2%;width:50%}.s3{left:58%;top:50%;width:38%}.s4{left:2%;top:66%;width:52%}
.beam{position:absolute;left:0;right:0;top:55%;height:2px;background:linear-gradient(90deg,transparent,rgba(0,224,198,.45),transparent)}
.btn{display:inline-block;background:linear-gradient(90deg,var(--cyan),var(--teal));color:#04152B;font-weight:700;text-decoration:none;padding:12px 22px;border-radius:10px;border:0;font:inherit;font-weight:700;cursor:pointer}
.btn.ghost{background:transparent;color:#fff;border:1px solid #3a5583}
.btn.dark{background:var(--navy);color:#fff}
.btn.ghost2{background:#fff;color:var(--navy);border:1px solid var(--line)}
.mini{display:inline-block;font-size:13px;padding:5px 10px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--navy);margin:4px 6px 0 0}
.mini:hover{border-color:var(--blue);color:var(--blue)}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:-38px auto 0;position:relative}
.pillar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:0 10px 30px rgba(10,26,51,.08)}
.pillar b{display:block;font-size:15px}.pillar span{color:var(--sub);font-size:13.5px}
section{padding:56px 0}h2{font-size:26px;margin:0 0 8px}.lead{color:var(--sub);margin:0 0 26px}
/* tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.tile{border:1px solid var(--line);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;background:#fff;transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column}
.tile:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(10,26,51,.12)}
.tile .ph{background:var(--studio);height:196px;display:flex;align-items:center;justify-content:center;padding:18px}
.tile .ph img{transition:transform .2s ease;filter:drop-shadow(0 10px 14px rgba(10,26,51,.16))}.tile:hover .ph img{transform:scale(1.05)}
.tile .ph img{max-height:100%;max-width:100%;object-fit:contain}
.tile .bd{padding:14px 16px}.tile h3{font-size:16px;margin:0 0 4px}.tile span{color:var(--sub);font-size:13px}
.band{background:var(--mist)}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}
/* category */
.phead{background:linear-gradient(180deg,var(--mist),#fff);padding:26px 0 18px}
.phead h1{font-size:34px;margin:6px 0 8px}
.crumb{font-size:13px;color:var(--sub);padding-top:16px}.crumb a{text-decoration:none}
.filter{display:flex;gap:12px;align-items:center;margin-top:14px}
.filter input,.big{padding:11px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;width:min(420px,100%)}
.big{width:min(640px,100%);font-size:17px}
[data-filter-count]{color:var(--sub);font-size:13px}
.series{padding:30px 0;border-bottom:1px solid var(--line)}
.shead{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:center;margin-bottom:16px}
.sph{background:var(--studio);border-radius:14px;height:190px;display:flex;align-items:center;justify-content:center;padding:12px}
.sph img{max-height:100%;max-width:100%;object-fit:contain}
.series h2{font-size:22px}.cat{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:700;margin:0}
.feat{padding-left:18px;margin:8px 0}.feat li{margin:3px 0}.apps{color:var(--sub);font-size:14px;margin:6px 0 0}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table.models{width:100%;border-collapse:collapse;font-size:14px;min-width:620px}
table.models th{background:#F6F9FD;text-align:left;font-weight:600;color:var(--sub);padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.models td{padding:8px 12px;border-bottom:1px solid #EDF2F8;white-space:nowrap}
table.models tr:last-child td{border-bottom:0}table.models tr:hover td{background:#FAFCFF}
table.models a{text-decoration:none;font-weight:600}
.num{text-align:right}.sortable{cursor:pointer}.sortable:after{content:" \2195";color:#9aa8bd}
.sws{white-space:nowrap}.sw{display:inline-block;width:13px;height:13px;border-radius:50%;margin-right:4px;border:1px solid rgba(0,0,0,.15);vertical-align:middle}
/* product */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:44px;padding:20px 0 30px}
.gallery{background:var(--studio);border-radius:18px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:28px}
.gallery img{filter:drop-shadow(0 18px 24px rgba(10,26,51,.18))}
.gallery img{max-height:100%;max-width:100%;object-fit:contain}
.thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.th{width:76px;height:60px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:4px;cursor:pointer}
.th img{max-height:100%;max-width:100%;margin:auto;object-fit:contain}.th.on{border-color:var(--blue)}
.th3d{display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--studio);color:var(--navy);line-height:1.1}
.th3d b{font-size:17px}.th3d span{font-size:10.5px;color:var(--sub)}
.gallery{position:relative}.gallery model-viewer{position:absolute;inset:0;width:100%;height:100%;display:none;--poster-color:transparent}
.gallery.is3d model-viewer{display:block}.gallery.is3d img{visibility:hidden}
.pdp h1{font-size:28px;margin:4px 0 4px}.model{font-family:ui-monospace,Consolas,monospace;color:var(--sub);margin:0 0 10px}
.buy{background:var(--mist);border-radius:14px;padding:18px;margin:18px 0}
.buy .price{font-size:30px;font-weight:700}.buy small{font-size:13px;color:var(--sub);font-weight:500}
.meta{color:var(--sub);font-size:13.5px;margin:4px 0 12px}
.opts{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}.opts span{font-size:13px;color:var(--sub);margin-right:4px}
.opt{display:flex;align-items:center;gap:4px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px 5px 8px;cursor:pointer;font-size:14px}
.opt input{display:none}.opt:has(input:checked){border-color:var(--blue);box-shadow:0 0 0 2px rgba(30,111,217,.15)}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.qty{width:72px;padding:11px;border:1px solid var(--line);border-radius:10px;font:inherit}
.note{font-size:12.5px;color:var(--sub);margin-top:10px}
.dls{margin:6px 0 14px}.dl{display:inline-block;margin:0 8px 8px 0;padding:8px 12px;border:1px dashed var(--blue);border-radius:10px;text-decoration:none;font-size:14px}
.specgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px}
.h2s{font-size:21px;margin:26px 0 12px}
table.specs{width:100%;border-collapse:collapse;font-size:14px}
table.specs th,table.specs td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.specs th{width:40%;color:var(--sub);font-weight:600;background:#FAFCFF}
.notes{font-size:14px;color:var(--sub)}
.help{background:var(--mist);border-radius:14px;padding:16px 18px;margin-top:16px}.help p{margin:6px 0 8px;font-size:14px;color:var(--sub)}
/* guide, search, quote */
.guide{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:20px 0 30px}
.g{border:1px solid var(--line);border-radius:14px;padding:16px 18px;background:#fff}.g h3{margin:0 0 6px;font-size:17px}.g p{margin:0;color:var(--sub);font-size:14px}
.results{margin-top:20px}
.qlist{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}.qlist td,.qlist th{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left}
.qlist input{width:64px;padding:6px;border:1px solid var(--line);border-radius:8px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;z-index:50}
/* footer */
footer{background:var(--navy);color:#9FB3D1;font-size:13.5px;padding:44px 0;margin-top:40px}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:28px}
footer b{color:#fff;display:block;margin-bottom:8px}footer a,footer span{display:block;color:#CFE0F7;text-decoration:none;margin:3px 0}
.flogo{height:36px;margin-bottom:10px}.small{font-size:12.5px}
@media (max-width:960px){.hgrid,.pdp,.specgrid,.split{grid-template-columns:1fr}.showcase{max-width:440px}.hero h1{font-size:34px}
 .pillars{grid-template-columns:1fr 1fr;margin-top:20px}.shead{grid-template-columns:1fr}.links{display:none}.cartbtn{margin-left:auto}footer .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.wrap{padding:0 16px}.bar{height:auto;flex-wrap:wrap;padding:10px 16px;gap:10px}.logo img{height:30px}.search{max-width:none;flex-basis:100%;order:3}.cartbtn span{display:none}
 .pillars{grid-template-columns:1fr}.phead h1{font-size:26px}footer .cols{grid-template-columns:1fr}
 .tiles{grid-template-columns:1fr 1fr;gap:10px}.tile .ph{height:132px;padding:10px}.tile .bd{padding:10px 12px}.tile h3{font-size:14px}.tile span{font-size:12px}
 .showcase{max-width:340px}.sph{height:160px}}