:root{
  --bg:#f3f5f8;
  --surface:#ffffff;
  --ink:#0b1220;
  --muted:#667085;
  --line:#dbe2ea;
  --primary:#0f172a;
  --primary-soft:#1e293b;
  --accent:#f97316;
  --accent-dark:#c2410c;
  --metal:#e7edf3;
  --shadow:0 18px 46px rgba(15,23,42,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit;text-decoration:none}
img{width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:12px 5vw;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(219,226,234,.9);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{display:grid;place-items:center;flex:0 0 auto;width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--primary),#334155);box-shadow:0 10px 24px rgba(15,23,42,.2)}
.brand-mark svg{width:31px;height:31px;fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.brand-text{min-width:0}
.brand strong{display:block;font-size:17px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand em{display:block;font-style:normal;font-size:12px;color:var(--muted);margin-top:2px}.nav{display:flex;align-items:center;gap:6px;font-size:15px}.nav a{padding:9px 12px;border-radius:999px;color:#344054;font-weight:700}.nav a:hover{background:#eef2f6;color:var(--primary)}.menu{display:none;width:44px;height:44px;border:0;border-radius:13px;background:var(--primary);padding:10px}.menu span{display:block;height:2px;background:white;margin:5px 0;border-radius:99px}
.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) minmax(410px,.88fr);gap:52px;align-items:center;min-height:calc(100vh - 75px);padding:78px 5vw 64px;background:linear-gradient(135deg,#0b1220 0%,#111827 52%,#1f2937 100%);color:white}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 16% 15%,rgba(249,115,22,.24),transparent 30%),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(180deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:auto,70px 70px,70px 70px;opacity:.78}.hero>*{position:relative}.eyebrow{margin:0 0 12px;color:var(--accent);font-weight:900;letter-spacing:.13em;text-transform:uppercase;font-size:13px}.hero h1{margin:0;max-width:860px;font-size:clamp(36px,5vw,66px);line-height:1.08;letter-spacing:-.045em}.lead{font-size:18px;color:#d7dee8;max-width:740px;margin:22px 0 0}.hero-actions,.section-head{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}.hero-actions{justify-content:flex-start;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 22px;font-weight:900;box-shadow:0 10px 24px rgba(15,23,42,.08);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,23,42,.14)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-dark)}.btn.ghost{background:#fff;color:var(--primary)}.hero .btn.ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.22);box-shadow:none}.btn.light{background:#fff;color:var(--primary);border:0}.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.hero-points div{padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}.hero-points img{width:34px;height:34px;margin-bottom:10px}.hero-points strong{display:block;font-size:18px}.hero-points span{display:block;color:#cbd5e1;font-size:13px}.hero-media{position:relative;min-height:560px}.hero-photo{overflow:hidden;background:#111827;border:1px solid rgba(255,255,255,.16);box-shadow:0 24px 70px rgba(0,0,0,.35)}.hero-photo img{height:100%;object-fit:cover}.main-photo{position:absolute;right:0;top:0;width:70%;height:560px;border-radius:30px}.small-photo{position:absolute;border-radius:22px;border:6px solid rgba(255,255,255,.85)}.photo-a{left:0;top:70px;width:38%;height:255px}.photo-b{left:8%;bottom:30px;width:52%;height:210px}.strip{display:grid;grid-template-columns:1fr 1.9fr 1fr 1fr;gap:1px;margin:-28px 5vw 0;position:relative;z-index:5;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);background:var(--line)}.strip div{background:#fff;padding:21px 24px}.strip span{display:block;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.strip strong{display:block;margin-top:4px;font-size:16px}.strip a{color:var(--accent-dark)}
.section{padding:82px 5vw}.intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;background:#fff}.section-title h2,.intro h2,.section h2,.cta h2{font-size:clamp(28px,3.4vw,44px);line-height:1.15;margin:0 0 18px;letter-spacing:-.03em}.intro-text{font-size:18px;color:#344054}.intro-text p:first-child{margin-top:0}.section-head{margin-bottom:28px}.section-head p{max-width:560px;color:var(--muted);margin:0}.capability{background:linear-gradient(180deg,#f7f9fc,#eef2f6)}.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.steps div,.contact-card,.map-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px rgba(15,23,42,.06)}.card{position:relative;overflow:hidden;padding:26px;transition:transform .22s ease,box-shadow .22s ease}.card:after{content:"";position:absolute;right:-38px;top:-38px;width:110px;height:110px;border-radius:50%;background:rgba(249,115,22,.08)}.card:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(15,23,42,.12)}.icon-box{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:#fff7ed;border:1px solid #fed7aa;margin-bottom:18px}.icon-box img{width:38px;height:38px}.card h3,.steps h3{margin:0 0 9px;font-size:20px}.card p,.steps p,.map-card p{color:var(--muted);margin:0}.quality{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;background:#fff}.quality-photo{overflow:hidden;border-radius:30px;box-shadow:var(--shadow);border:8px solid #fff;background:#111827}.quality-photo img{height:520px;object-fit:cover}.quality-list{display:grid;gap:16px;margin-top:28px}.quality-list div{display:flex;gap:16px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#f8fafc}.quality-list img{width:42px;height:42px;flex:0 0 auto}.quality-list strong{display:block}.quality-list em{display:block;font-style:normal;color:var(--muted);font-size:14px}.process{background:#0f172a;color:#fff}.process .section-head p{color:#cbd5e1}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.steps div{padding:24px;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);box-shadow:none}.steps span{display:inline-flex;width:44px;height:44px;border-radius:14px;align-items:center;justify-content:center;background:rgba(249,115,22,.16);color:#fdba74;font-weight:900;margin-bottom:18px}.steps p{color:#cbd5e1}.gallery{background:#fff}.equipment-section{background:#f3f5f8}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery-grid.equipment{grid-template-columns:repeat(4,1fr)}figure{margin:0;background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 10px 26px rgba(15,23,42,.07)}figure img{height:280px;object-fit:cover;transition:transform .4s ease,opacity .35s ease,filter .35s ease}figure:hover img{transform:scale(1.045)}.equipment figure img{height:225px}figcaption{padding:13px 15px;color:#344054;font-weight:800}.lazy-img{opacity:.25;filter:blur(14px);transform:scale(1.02);background:#111827}.lazy-img.is-loaded{opacity:1;filter:blur(0);transform:scale(1)}.lazy-img.is-error{opacity:.65;filter:none}.cta{margin:60px 5vw 0;padding:50px;border-radius:30px;background:linear-gradient(135deg,#ea580c,#0f172a);color:white;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:0 26px 70px rgba(194,65,12,.22)}.cta .eyebrow,.cta p{color:#ffedd5}.cta p{margin:0}.contact{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.contact-card,.map-card{padding:28px}.contact-icon{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;background:#fff7ed;border:1px solid #fed7aa;margin-bottom:16px}.contact-icon img{width:42px;height:42px}.contact h2{margin-bottom:10px}.contact ul{list-style:none;padding:0;margin:18px 0 0}.contact li{padding:11px 0;border-bottom:1px solid var(--line)}.contact li:last-child{border-bottom:0}.contact a{color:var(--accent-dark);font-weight:900}.map-card{background:#fffaf3}.map-card h3{font-size:26px;margin:0 0 12px}.map-card .tip{margin:14px 0 22px}.footer{padding:28px 5vw;text-align:center;color:#667085;border-top:1px solid var(--line);background:white}.footer p{margin:4px}.float-call{position:fixed;right:24px;bottom:24px;z-index:25;display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:white;font-weight:900;padding:14px 22px;border-radius:999px;box-shadow:0 18px 36px rgba(249,115,22,.36)}.float-call img{width:24px;height:24px;filter:brightness(0) invert(1)}
@media (max-width:1100px){.hero{grid-template-columns:1fr}.hero-media{min-height:500px}.main-photo{width:62%;height:500px}.photo-a{width:34%;height:230px}.photo-b{width:48%;height:190px}.card-grid,.steps,.gallery-grid.equipment{grid-template-columns:repeat(2,1fr)}.strip{grid-template-columns:1fr 1fr}.quality{grid-template-columns:1fr}}
@media (max-width:760px){.site-header{padding:11px 18px}.brand{max-width:calc(100% - 58px)}.brand-mark{width:44px;height:44px;border-radius:14px}.brand strong{font-size:14px}.brand em{display:none}.menu{display:block;flex:0 0 auto}.nav{display:none;position:absolute;left:18px;right:18px;top:70px;flex-direction:column;align-items:stretch;background:white;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:0 22px 50px rgba(15,23,42,.16)}.nav-open .nav{display:flex}.nav a{padding:12px 14px}.hero{padding:52px 18px 56px;min-height:auto}.hero h1{font-size:36px}.lead{font-size:16px}.hero-actions{align-items:stretch}.btn{width:100%}.hero-points{grid-template-columns:1fr}.hero-media{min-height:auto;display:grid;grid-template-columns:1fr 1fr;gap:12px}.hero-photo,.main-photo,.small-photo{position:static;width:100%;height:auto;border-radius:18px}.main-photo{grid-column:1/-1}.hero-photo img{height:260px}.small-photo{border:0}.small-photo img{height:170px}.strip{grid-template-columns:1fr;margin:0;border-radius:0}.section{padding:58px 18px}.intro,.contact{grid-template-columns:1fr}.section-head{display:block}.card-grid,.steps,.gallery-grid,.gallery-grid.equipment{grid-template-columns:1fr}.quality-photo img,figure img,.equipment figure img{height:auto;max-height:420px}.cta{margin:30px 18px 0;padding:30px;display:block}.cta .btn{margin-top:20px}.float-call{left:18px;right:18px;justify-content:center}.footer{padding-bottom:84px}}
figure:hover .lazy-img.is-loaded{transform:scale(1.045)}