:root{--red:#c8281e;--red-d:#a02018;--ink:#1c2228;--grey:#5c6670;--bg:#ffffff;--soft:#f6f7f8;--line:#e5e8ea}
*{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:1.6}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h2{font-size:30px;margin-bottom:8px}
.kicker{color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:13px}
.sub{color:var(--grey);max-width:760px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:56px;width:auto}
.brand-txt b{display:block;font-size:19px;letter-spacing:.04em;color:var(--red)}
.brand-txt i{font-style:normal;font-size:11px;color:var(--grey)}
nav{display:flex;gap:24px;font-weight:600;font-size:15px;margin-left:auto}
nav a:hover{color:var(--red)}
.nav-drop{position:relative}
.drop-menu{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 34px rgba(0,0,0,.12);padding:10px 0;min-width:230px;max-height:70vh;overflow:auto}
.nav-drop:hover .drop-menu{display:block}
.drop-menu a{display:block;padding:7px 20px;font-weight:500;font-size:14px}
.drop-menu a:hover{background:var(--soft);color:var(--red)}
.btn{display:inline-block;padding:11px 22px;border-radius:8px;font-weight:700;font-size:15px;border:2px solid transparent;cursor:pointer}
.btn-solid{background:var(--red);color:#fff}
.btn-solid:hover{background:var(--red-d)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-wa{background:#25d366;color:#fff}
.nav-toggle{display:none;font-size:24px;background:none;border:none;margin-left:auto}
/* hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;color:#fff;background:#0d1420}
.hero-bg{position:absolute;inset:0;background:url('/assets/img/hero/hero.jpg') center/cover;opacity:.85}
.hero-in{position:relative;padding:90px 0;max-width:720px}
.hero h1{font-size:46px;line-height:1.15;margin:14px 0 16px}
.hero h1 em{font-style:normal;color:#ffd27a}
.hero p{font-size:18px;color:#dfe5ea;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
/* stats */
.stats{background:var(--red);color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:26px 0;text-align:center}
.stats b{font-size:30px;display:block}
.stats span{font-size:13px;opacity:.9}
/* sections */
section{padding:70px 0}
.alt{background:var(--soft)}
.center{text-align:center}
.center .sub{margin:0 auto 40px}
/* product grid */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(0,0,0,.1)}
.pcard .ph{height:210px;overflow:hidden;background:#10151b}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .cn{font-size:12px;color:var(--red);font-weight:700}
.pcard h3{font-size:19px}
.pcard p{font-size:14px;color:var(--grey);flex:1}
.pcard .more{color:var(--red);font-weight:700;font-size:14px}
/* why */
.why{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.why ul{list-style:none;margin-top:18px}
.why li{padding:9px 0 9px 34px;position:relative;border-bottom:1px dashed var(--line)}
.why li:before{content:"✓";position:absolute;left:0;top:9px;color:var(--red);font-weight:800}
.why .imgcol{border-radius:16px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.18)}
/* apps */
.agrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.acard{background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:10px;padding:20px}
.acard h4{margin-bottom:4px}
.acard p{font-size:14px;color:var(--grey)}
/* cta band */
.band{background:linear-gradient(120deg,#1a222c,#3a1010);color:#fff;text-align:center}
.band h2{margin-bottom:10px}
.band p{color:#c9d1d8;margin-bottom:24px}
/* product page */
.crumb{font-size:13px;color:var(--grey);padding:18px 0 0}
.crumb a:hover{color:var(--red)}
.phero{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0 60px}
.phero .img{border-radius:16px;overflow:hidden;box-shadow:0 18px 44px rgba(0,0,0,.16)}
.phero h1{font-size:36px;margin:6px 0 12px}
.phero .tag{color:var(--red);font-weight:600}
.phero p{color:var(--grey);margin:14px 0 22px}
.spec{width:100%;border-collapse:collapse;background:#fff}
.spec td{padding:11px 16px;border:1px solid var(--line);font-size:14.5px}
.spec td:first-child{background:var(--soft);font-weight:700;width:34%}
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.feat div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-size:14.5px}
.feat div:before{content:"◆ ";color:var(--red)}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.gal img{border-radius:10px;height:170px;width:100%;object-fit:cover}
/* factory */
.fgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:24px}
.fgrid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:zoom-in;transition:box-shadow .15s}
.fgrid figure:hover{box-shadow:0 6px 18px rgba(0,0,0,.12)}
.fgrid img{display:block;width:100%;height:84px;object-fit:cover}
.fgrid figcaption{font-size:12px;color:var(--ink);font-weight:600;padding:6px 8px}
@media(max-width:960px){.fgrid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:560px){.fgrid{grid-template-columns:repeat(3,1fr)}}
/* lightbox */
.lightbox{display:none;position:fixed;inset:0;background:rgba(8,10,14,.92);z-index:999;align-items:center;justify-content:center;flex-direction:column;gap:14px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:82vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox figcaption{color:#e8edf2;font-size:15px;font-weight:600;text-align:center;padding:0 20px}
.lightbox .lb-close{position:absolute;top:14px;right:22px;color:#fff;font-size:36px;line-height:1;cursor:pointer;opacity:.8}
.lightbox .lb-close:hover{opacity:1}
/* certificates */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-card{position:relative;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;display:flex;flex-direction:column;gap:4px;transition:box-shadow .15s}
.cert-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.10)}
.cert-card img{width:100%;height:300px;object-fit:cover;object-position:top;border-radius:6px;border:1px solid var(--line)}
.cert-kind{position:absolute;top:20px;left:20px;background:var(--red);color:#fff;font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px}
.cert-card b{font-size:15px;margin-top:4px}
.cert-card i{font-size:12px;color:var(--grey);font-style:normal}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.cert-grid{grid-template-columns:1fr}}
/* model labels */
.model-badge{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.95);color:var(--red);font-weight:800;font-size:12.5px;padding:4px 11px;border-radius:6px;letter-spacing:.03em;box-shadow:0 2px 8px rgba(0,0,0,.25);z-index:2}
.ph,.phero .img,.gal-item{position:relative}
.model-line{font-size:14px;color:var(--grey)}
.model-line b{color:var(--ink)}
.model-chips{display:flex;flex-wrap:wrap;gap:8px}
.model-chip{background:var(--soft);border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:12.5px;padding:5px 12px;border-radius:20px}
.model-chip:hover{border-color:var(--red);color:var(--red)}
.gal-item{position:relative}
/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
form{display:grid;gap:14px}
input,textarea,select{padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;width:100%}
label{font-weight:600;font-size:14px}
.cinfo{background:var(--soft);border-radius:14px;padding:26px}
.cinfo h3{margin-bottom:10px}
.cinfo p{margin-bottom:8px;color:var(--grey)}
/* footer */
.site-footer{background:#141a21;color:#aeb7bf;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.1fr 1.2fr .9fr;gap:44px;padding-bottom:40px}
.foot-logo{height:64px;margin-bottom:14px;background:#fff;padding:6px;border-radius:8px}
.site-footer h4{color:#fff;margin-bottom:12px}
.foot-links{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;font-size:13.5px}
.foot-links a:hover{color:#fff}
.site-footer a{color:#aeb7bf}.site-footer a:hover{color:#fff}
.foot-bar{border-top:1px solid #2a323b;padding:18px 0;font-size:13px;text-align:center}
/* responsive */
@media(max-width:960px){
.pgrid,.agrid{grid-template-columns:repeat(2,1fr)}
.why,.phero,.contact-grid{grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr}
.gal,.appgal{grid-template-columns:repeat(2,1fr)}
.stats-in{grid-template-columns:repeat(2,1fr)}
.hero h1{font-size:34px}
nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--line);gap:14px}
nav.open{display:flex}
.nav-toggle{display:block}
.btn-quote{display:none}
.drop-menu{position:static;transform:none;box-shadow:none;border:none;display:block;padding-left:14px}
}
@media(max-width:560px){.pgrid,.agrid,.feat{grid-template-columns:1fr}.hero{min-height:520px}}