:root{
  --red:#c4001a;
  --red-dark:#980014;
  --ink:#101116;
  --muted:#667085;
  --line:#e6e8ef;
  --paper:#ffffff;
  --soft:#f6f7fb;
  --dark:#151821;
  --gold:#c7983e;
  --shadow:0 18px 45px rgba(16,17,22,.12);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92vw);margin:0 auto}
.skip-link{position:absolute;top:-60px;left:12px;background:#fff;color:#000;padding:10px 14px;border-radius:8px;z-index:999}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,232,239,.86);z-index:100}
.nav-wrap{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px;min-width:250px}
.brand img{width:86px;height:auto;object-fit:contain}
.brand strong{font-size:20px;letter-spacing:.08em;color:var(--ink);display:block;line-height:1}
.brand small{font-size:12px;color:var(--muted);display:block;margin-top:5px;letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#333}
.main-nav a{padding:10px 13px;border-radius:999px;transition:.2s ease}
.main-nav a:hover{background:#f1f2f5;color:var(--red)}
.main-nav .nav-cta{background:var(--red);color:#fff;padding:11px 18px;box-shadow:0 8px 20px rgba(196,0,26,.24)}
.main-nav .nav-cta:hover{background:var(--red-dark);color:#fff}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:700;color:var(--ink)}
.hero{position:relative;min-height:690px;display:grid;align-items:center;overflow:hidden;color:#fff;background:#111}
.hero-media{position:absolute;inset:0;background-image:url('../images/factory-workshop.jpg');background-position:center;background-size:cover;transform:scale(1.02)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,14,.88) 0%,rgba(8,10,14,.64) 45%,rgba(8,10,14,.28) 100%)}
.hero-content{position:relative;z-index:1;padding:110px 0 90px;max-width:1180px}
.eyebrow,.section-kicker{margin:0 0 12px;text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:800;color:var(--gold)}
.hero h1{max-width:830px;margin:0;font-size:clamp(42px,7vw,86px);line-height:.98;letter-spacing:-.055em}
.hero-lead{max-width:720px;margin:24px 0 0;font-size:clamp(18px,2.3vw,25px);line-height:1.45;color:#eef0f4}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:14px 22px;border-radius:999px;font-weight:800;letter-spacing:.01em;transition:.2s ease}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 12px 25px rgba(196,0,26,.32)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-secondary{border:1px solid rgba(255,255,255,.48);color:#fff;background:rgba(255,255,255,.08)}
.btn-secondary:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;color:#fff}
.hero-points span{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);padding:10px 14px;border-radius:999px;font-weight:700;font-size:14px}
.section{padding:88px 0}
.intro{background:var(--paper)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
h2{font-size:clamp(32px,4vw,54px);line-height:1.06;letter-spacing:-.035em;margin:0 0 18px}
h3{font-size:22px;line-height:1.18;margin:0 0 12px;letter-spacing:-.015em}
p{margin:0 0 14px}.intro-copy{font-size:18px;color:#48505f}.intro-copy p+p{margin-top:16px}
.feature-band{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.card-grid{display:grid;gap:24px}.card-grid.three{grid-template-columns:repeat(3,1fr)}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:0 10px 26px rgba(16,17,22,.05)}
.card-number{display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;background:#fff0f2;color:var(--red);border-radius:999px;font-weight:900;margin-bottom:22px}
.feature-card p,.product-card p,.factory-copy p,.custom p,.quality-card p,.faq p,.contact p{color:#596170}
.section-head{max-width:780px;margin-bottom:44px}.section-head.centered{text-align:center;margin-left:auto;margin-right:auto}.section-head p{font-size:18px;color:#596170}
.products{background:#fff}.product-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;align-items:stretch}
.product-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:28px;min-height:255px;box-shadow:0 12px 30px rgba(16,17,22,.05);overflow:hidden}
.product-card.large{grid-row:span 2}.visual-card{padding:0}.visual-card img{height:330px;width:100%;object-fit:cover}.visual-card div{padding:28px}.image-top{padding:0}.image-top img{width:100%;height:185px;object-fit:cover}.image-top h3,.image-top p{padding-left:28px;padding-right:28px}.image-top h3{padding-top:24px}.image-top p{padding-bottom:24px}
.highlight-card{background:linear-gradient(145deg,#141821,#2a1a1c);color:#fff;border-color:#2d3037}.highlight-card p{color:#d8dbe2}
.factory{background:var(--soft);overflow:hidden}.factory-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.factory-images{position:relative;min-height:520px}.factory-images img{border-radius:28px;box-shadow:var(--shadow);object-fit:cover}.image-main{width:88%;height:400px}.image-float{position:absolute;right:0;bottom:0;width:48%;height:330px;border:8px solid #fff}.factory-copy{font-size:17px}.check-list{list-style:none;padding:0;margin:24px 0 0}.check-list li{position:relative;padding:13px 0 13px 34px;border-bottom:1px solid var(--line);color:#404858}.check-list li:before{content:"";position:absolute;left:0;top:20px;width:14px;height:14px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px #ffe6ea}
.custom{background:#fff}.custom-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}.spec-panel{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.spec-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 10px 25px rgba(16,17,22,.05)}.spec-item strong{display:block;font-size:18px;margin-bottom:8px}.spec-item span{color:#5d6574}
.quality{background:#11141b;color:#fff}.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:stretch}.quality-card{border-radius:var(--radius);padding:46px;background:linear-gradient(145deg,#1b1f2b,#0d0f14);border:1px solid rgba(255,255,255,.08)}.quality-card h2{color:#fff}.quality-card p{color:#d8dbe2}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.metric-grid div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:34px}.metric-grid strong{display:block;font-size:30px;line-height:1;margin-bottom:10px;color:#fff}.metric-grid span{color:#c9ced9}
.faq{background:var(--soft)}.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 24px;box-shadow:0 8px 22px rgba(16,17,22,.04)}summary{cursor:pointer;font-weight:800;font-size:18px;padding:20px 0;list-style:none}summary::-webkit-details-marker{display:none}details p{padding:0 0 22px}
.contact{background:#fff}.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}.contact-card{background:linear-gradient(145deg,#fff,#f7f8fb);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.contact-card dl{display:grid;gap:16px;margin:0}.contact-card dl div{display:grid;grid-template-columns:155px 1fr;gap:18px;border-bottom:1px solid var(--line);padding-bottom:16px}.contact-card dt{font-weight:900;color:#222}.contact-card dd{margin:0;color:#48505f;word-break:break-word}.contact-note{margin-top:22px;background:#fff0f2;color:var(--red);border-radius:14px;padding:16px;font-weight:900;text-align:center}
.site-footer{background:#0f1117;color:#fff;padding:32px 0}.footer-grid{display:grid;grid-template-columns:1.1fr 1fr auto;gap:24px;align-items:center}.site-footer p{margin:6px 0 0;color:#b7bdc8}.footer-links{display:flex;gap:18px;justify-content:center}.footer-links a{color:#d6dae3}.footer-links a:hover{color:#fff}.copyright{font-size:14px;text-align:right}
@media (max-width:980px){.nav-toggle{display:inline-flex}.main-nav{position:absolute;left:4vw;right:4vw;top:76px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow)}.main-nav.is-open{display:flex}.main-nav a{text-align:center}.brand{min-width:auto}.hero{min-height:620px}.intro-grid,.factory-grid,.custom-grid,.quality-grid,.contact-grid{grid-template-columns:1fr;gap:36px}.card-grid.three,.product-grid{grid-template-columns:1fr 1fr}.factory-images{min-height:460px}.footer-grid{grid-template-columns:1fr;text-align:center}.copyright{text-align:center}.footer-links{justify-content:center}}
@media (max-width:640px){.nav-wrap{min-height:72px}.brand img{width:64px}.brand strong{font-size:16px}.brand small{display:none}.hero{min-height:650px}.hero-content{padding:86px 0 70px}.hero h1{font-size:46px}.hero-lead{font-size:18px}.section{padding:66px 0}.card-grid.three,.product-grid,.spec-panel,.metric-grid{grid-template-columns:1fr}.product-card.large{grid-row:auto}.image-main{width:100%;height:300px}.image-float{position:relative;width:80%;height:240px;margin:-80px 0 0 auto}.factory-images{min-height:auto}.contact-card dl div{grid-template-columns:1fr;gap:4px}.hero-actions .btn{width:100%}}