:root{
  --ink:#0b1117; --panel:#111b24; --panel-2:#162633; --line:#263a48; --text:#eaf7fa; --muted:#9bb3bf;
  --brand:#53d7dc; --brand-2:#49a8e8; --accent:#e9f85d; --paper:#f7fbfc; --dark:#071017;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:#081118;color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none} img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}.topbar{background:#061017;border-bottom:1px solid rgba(255,255,255,.08);color:#c7dfe6;font-size:13px}
.topbar .container{display:flex;gap:18px;justify-content:space-between;align-items:center;padding:8px 0;flex-wrap:wrap}.topbar a{color:#dffcff}
.header{position:sticky;top:0;z-index:50;background:rgba(8,17,24,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(83,215,220,.18)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:13px}.brand img{width:68px;height:68px;object-fit:contain;border-radius:14px}.brand strong{font-size:17px;line-height:1.15;letter-spacing:.5px}.brand span{display:block;font-size:11px;color:var(--muted);letter-spacing:1.7px;text-transform:uppercase}
.menu{display:flex;gap:4px;align-items:center}.menu a{padding:10px 12px;border-radius:10px;color:#d8e8ee;font-weight:650;font-size:14px}.menu a:hover,.menu a.active{background:rgba(83,215,220,.12);color:#fff}
.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(83,215,220,.45);background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#031015!important;font-weight:800;border-radius:999px;padding:11px 17px;box-shadow:0 10px 30px rgba(74,188,220,.2)}
.mobile-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:12px;padding:10px 12px;font-weight:800}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 75% 10%,rgba(83,215,220,.26),transparent 30%),linear-gradient(135deg,#09151e,#0e1f2a 55%,#071017);border-bottom:1px solid rgba(83,215,220,.15)}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center;padding:76px 0}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:#bdf7fb;background:rgba(83,215,220,.1);border:1px solid rgba(83,215,220,.25);border-radius:999px;padding:7px 12px;font-weight:700;font-size:13px}.hero h1{font-size:clamp(34px,5vw,66px);line-height:1.02;margin:18px 0 18px;letter-spacing:-1.5px}.hero p{font-size:18px;color:#c8d8df;max-width:720px}.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.12);border-radius:28px;padding:28px;box-shadow:0 22px 60px rgba(0,0,0,.35)}
.hero-card img{width:220px;margin:0 auto 24px}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:18px}.metric b{font-size:30px;color:#fff}.metric span{display:block;color:#a8bdc7;font-size:13px}
.section{padding:64px 0}.section.light{background:var(--paper);color:#111b22}.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.section-title h2{font-size:clamp(28px,4vw,42px);line-height:1.1;margin:0}.section-title p{margin:8px 0 0;color:#a9bdc7}.light .section-title p{color:#5a6c76}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#111b24;border:1px solid rgba(255,255,255,.1);border-radius:22px;overflow:hidden;transition:.25s ease;display:flex;flex-direction:column}.light .card{background:#fff;border-color:#e0eaee;color:#17242c}.card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.22);border-color:rgba(83,215,220,.55)}
.card-img{height:230px;background:#eef5f7;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-img img{width:100%;height:100%;object-fit:cover}.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}.badge{display:inline-flex;width:max-content;background:rgba(83,215,220,.13);color:#25c6d2;border:1px solid rgba(83,215,220,.2);border-radius:999px;padding:5px 10px;font-weight:800;font-size:12px}.card h3{margin:0;font-size:19px;line-height:1.25}.card p{color:#97aeb9;margin:0}.light .card p{color:#697a83}.card .more{margin-top:auto;color:#2bc4d1;font-weight:900}
.filters{display:grid;grid-template-columns:1fr auto;gap:14px;margin-bottom:24px}.search{width:100%;padding:15px 16px;border:1px solid #d4e2e7;border-radius:16px;background:#fff;font-size:16px}.select{padding:15px 16px;border:1px solid #d4e2e7;border-radius:16px;background:#fff;font-size:15px}
.breadcrumb{padding:22px 0;color:#8da4ae;font-size:14px}.breadcrumb a{color:#45cbd5}.page-hero{background:linear-gradient(135deg,#0e1f2a,#071017);border-bottom:1px solid rgba(83,215,220,.14);padding:42px 0}.page-hero h1{font-size:clamp(31px,4vw,54px);line-height:1.1;margin:8px 0}.page-hero p{color:#b5c9d2;max-width:780px}
.product-layout{display:grid;grid-template-columns:minmax(320px,520px) 1fr;gap:42px;align-items:start}.gallery{position:sticky;top:104px}.main-image{background:#fff;border-radius:24px;overflow:hidden;border:1px solid #dce8ed;box-shadow:0 20px 50px rgba(0,0,0,.14)}.main-image img{width:100%;aspect-ratio:1/1;object-fit:contain}.thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:12px}.thumbs button{padding:0;border:2px solid transparent;border-radius:12px;overflow:hidden;background:#fff;cursor:pointer}.thumbs button.active{border-color:#25c6d2}.thumbs img{aspect-ratio:1/1;object-fit:cover;width:100%}
.product-info{background:#fff;color:#10202a;border:1px solid #dbe8ee;border-radius:24px;padding:30px}.product-info h2{font-size:clamp(28px,3.6vw,44px);line-height:1.1;margin:0 0 12px}.meta{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.meta a,.meta span{background:#edf7f8;color:#177d87;border-radius:999px;padding:8px 12px;font-weight:800;font-size:13px}.desc{margin-top:22px;border-top:1px solid #e2edf1;padding-top:20px}.desc p,.desc li{color:#3a4f59}.spec-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.spec-list li{background:#f3f8fa;border:1px solid #e0ecef;border-radius:14px;padding:12px 14px}
.inquiry-box{margin-top:24px;background:linear-gradient(135deg,#0d202b,#112e3d);color:#eaf7fa;border-radius:22px;padding:22px}.inquiry-box p{color:#bdd2da}.buttons{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 18px;font-weight:900;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#021015}.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2)}
.form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form .full{grid-column:1/-1}.form input,.form textarea{width:100%;padding:14px 15px;border:1px solid #d5e4ea;border-radius:14px;font:inherit}.form textarea{min-height:140px}.contact-card{background:#fff;color:#111b22;border:1px solid #dfe9ee;border-radius:24px;padding:26px}.footer{background:#050b10;border-top:1px solid rgba(255,255,255,.08);padding:42px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer img{width:100px}.footer a,.footer p{color:#a9bdc7}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);color:#78909b;font-size:13px}
.tree{display:grid;gap:16px}.tree-section{background:#fff;color:#13232c;border:1px solid #dfe9ee;border-radius:22px;padding:20px}.tree-section h3{margin:0 0 12px}.subgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.subitem{background:#f3f8fa;border:1px solid #e2edf1;border-radius:16px;padding:14px}
@media (max-width:920px){.hero .container,.product-layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.menu{display:none;position:absolute;left:4vw;right:4vw;top:78px;background:#071017;border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:14px;flex-direction:column;align-items:stretch}.menu.open{display:flex}.mobile-toggle{display:block}.gallery{position:relative;top:0}.filters{grid-template-columns:1fr}.form{grid-template-columns:1fr}.subgrid{grid-template-columns:1fr}}
@media (max-width:620px){.grid{grid-template-columns:1fr}.topbar .container{justify-content:center}.brand strong{font-size:14px}.brand img{width:54px;height:54px}.nav{height:70px}.hero .container{padding:48px 0}.metric-grid{grid-template-columns:1fr}.section{padding:44px 0}.thumbs{grid-template-columns:repeat(4,1fr)}.product-info{padding:21px}}