/* =========================================================
   Хуншэн · 鸿昇 — Beijing Hongsheng Glass Machinery
   Corporate site v2 (big-site layout + photography) · 2026-10-01
   v4 — LIGHT BLUE theme (2026-10-04, per boss request)
   ========================================================= */

:root{
  --bg:#EFF5FB;
  --bg-2:#E2ECF7;
  --card:#FFFFFF;
  --line:rgba(20,60,105,.12);
  --line-strong:rgba(20,60,105,.20);
  --txt:#12283E;
  --mut:#48657F;
  --mut-2:#7790A6;
  --acc:#0066CC;
  --acc-2:#0052A3;
  --acc-soft:rgba(0,102,204,.10);
  --gold:#D98A22;
  --radius:16px;
  --radius-sm:11px;
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:"Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.sec{padding:92px 0;position:relative}
.sec.alt{background:linear-gradient(180deg,var(--bg),var(--bg-2))}

/* ================= HEADER ================= */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.90);
  backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid var(--line)}
.topbar{border-bottom:1px solid var(--line);background:rgba(0,102,204,.05)}
.topbar .container{display:flex;align-items:center;gap:26px;height:38px;font-size:12.5px;color:var(--mut-2)}
.topbar .tb-i{display:flex;align-items:center;gap:7px}
.topbar .tb-i svg{width:14px;height:14px;stroke:var(--acc);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.topbar a:hover{color:var(--acc)}
.topbar .lang{margin-left:auto;display:flex;gap:2px}
.topbar .lang button{background:none;border:0;color:var(--mut-2);font-size:12px;padding:4px 9px;border-radius:7px;cursor:pointer;letter-spacing:.5px}
.topbar .lang button.active{background:var(--acc-soft);color:var(--acc);font-weight:700}

.header-inner{display:flex;align-items:center;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:21px;color:#fff;
  background:linear-gradient(140deg,#0066CC,#3D8AD6 60%,#6FB0E6);box-shadow:0 6px 20px rgba(0,102,204,.30)}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text strong{font-size:17.5px;font-weight:750;letter-spacing:.3px}
.brand-text small{font-size:10px;color:var(--mut-2);letter-spacing:1.4px;text-transform:uppercase}

.main-nav{display:flex;gap:2px;margin-left:auto}
.main-nav a{padding:9px 15px;border-radius:9px;font-size:14.5px;color:var(--mut);transition:.22s var(--ease);white-space:nowrap}
.main-nav a:hover{color:var(--txt);background:rgba(0,102,204,.09)}
.header-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--txt);font-size:19px;border-radius:9px;padding:6px 11px;cursor:pointer}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:11px;
  font-size:14.5px;font-weight:650;border:1px solid transparent;cursor:pointer;transition:.26s var(--ease);white-space:nowrap}
.btn-acc{background:linear-gradient(135deg,#0066CC,#3D8AD6);color:#fff;box-shadow:0 8px 24px rgba(0,102,204,.28)}
.btn-acc:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,102,204,.42)}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--txt)}
.btn-ghost:hover{background:rgba(0,102,204,.07);transform:translateY(-2px)}
.btn-white{background:#fff;color:#0052A3;font-weight:700}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(12,60,110,.22)}
.btn-lg{padding:15px 30px;font-size:15.5px;border-radius:13px}

/* ================= HERO ================= */
.hero{position:relative;min-height:640px;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:104px 0 0}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03)}
.hero-veil{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(240,246,252,.93) 0%,rgba(240,246,252,.84) 40%,rgba(235,244,252,.66) 76%,rgba(238,245,252,.78) 100%)}
.hero-veil::after{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 78% 42%,rgba(0,102,204,.16),transparent 62%)}
.hero .container{position:relative;z-index:2}
.hero-inner{max-width:800px;padding-bottom:56px}
.eyebrow-pill{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:99px;
  border:1px solid rgba(20,60,105,.16);background:rgba(255,255,255,.72);font-size:12.5px;color:#2A4A67;letter-spacing:.6px;
  backdrop-filter:blur(6px)}
.eyebrow-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(0,102,204,.20)}
.hero h1{font-size:clamp(2.2rem,5vw,3.9rem);line-height:1.07;letter-spacing:-1.5px;margin:26px 0 0;font-weight:800;color:#0E2136}
.hero h1 .grad{background:linear-gradient(100deg,#00509E 5%,#0066CC 50%,#4E9BD9 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:22px 0 0;font-size:17.5px;color:#3C5A76;max-width:640px}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}

/* hero bottom strip */
.hero-strip{position:relative;z-index:2;border-top:1px solid rgba(20,60,105,.12);background:rgba(255,255,255,.78);
  backdrop-filter:blur(12px)}
.hero-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.hs{padding:22px 26px 22px 0;display:flex;align-items:center;gap:13px;border-right:1px solid rgba(20,60,105,.10)}
.hs:last-child{border-right:0}
.hs svg{width:26px;height:26px;flex-shrink:0;stroke:var(--acc);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.hs b{display:block;font-size:14.5px;font-weight:700}
.hs span{font-size:12.5px;color:var(--mut-2)}

/* ================= section head ================= */
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-num{font-size:12.5px;letter-spacing:3px;color:var(--acc);font-weight:700;text-transform:uppercase}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.55rem);line-height:1.14;letter-spacing:-1px;margin:13px 0 14px;font-weight:800}
.section-head p{margin:0;color:var(--mut);font-size:16.5px}

/* ================= 4 business lines ================= */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc{position:relative;padding:28px 24px 30px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);
  box-shadow:0 2px 14px rgba(20,60,105,.05);transition:.32s var(--ease);overflow:hidden}
.svc:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 16px 34px rgba(20,60,105,.12)}
.svc-ico{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(0,102,204,.16),rgba(0,102,204,.05));border:1px solid rgba(0,102,204,.28)}
.svc-ico svg{width:25px;height:25px;stroke:var(--acc);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.svc h3{margin:0 0 9px;font-size:18px;font-weight:720;letter-spacing:-.2px}
.svc p{margin:0;font-size:14.5px;color:var(--mut)}
.svc .tagline{display:inline-block;margin-top:15px;font-size:12px;color:var(--acc);letter-spacing:.5px}

/* ================= equipment showcase ================= */
.equip-top{display:grid;grid-template-columns:2fr 1fr;gap:18px;margin-bottom:18px}
.ecard{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:330px;display:flex;align-items:flex-end}
.ecard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.ecard:hover img{transform:scale(1.06)}
.ecard .shade{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,40,72,.66) 8%,rgba(12,40,72,.26) 48%,rgba(12,40,72,.02) 100%)}
.ecard .e-body{position:relative;padding:30px 30px 28px;width:100%;color:#fff}
.ecard .badge{display:inline-block;padding:5px 12px;border-radius:99px;font-size:11px;letter-spacing:1.2px;font-weight:700;text-transform:uppercase;
  background:rgba(255,255,255,.92);color:#0052A3;border:1px solid rgba(255,255,255,.6);margin-bottom:14px}
.ecard h3{margin:0 0 8px;font-size:23px;font-weight:750;letter-spacing:-.4px;color:#fff}
.ecard p{margin:0;color:#DCE7F1;font-size:14.5px;max-width:520px}

.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cat{display:flex;align-items:center;gap:15px;padding:20px 20px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--card);transition:.28s var(--ease)}
.cat:hover{background:#fff;border-color:var(--line-strong);transform:translateX(4px);box-shadow:0 10px 26px rgba(20,60,105,.10)}
.cat-ico{width:42px;height:42px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;background:var(--acc-soft);border:1px solid rgba(0,102,204,.22)}
.cat-ico svg{width:21px;height:21px;stroke:var(--acc);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cat b{display:block;font-size:15px;font-weight:650}
.cat small{color:var(--mut-2);font-size:12.5px}

/* ================= split media ================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.rev .s-media{order:2}
.s-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.s-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.s-media .float{position:absolute;left:20px;bottom:20px;right:20px;padding:18px 20px;border-radius:14px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border:1px solid var(--line-strong);display:flex;gap:26px}
.s-media .float b{display:block;font-size:24px;font-weight:800;letter-spacing:-.8px;background:linear-gradient(135deg,#0052A3,#0066CC);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.s-media .float span{font-size:12px;color:var(--mut-2)}

.why-list{display:flex;flex-direction:column;gap:22px}
.why-item{display:flex;gap:17px}
.why-item .num{width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;font-size:14px;font-weight:800;
  color:var(--acc);background:var(--acc-soft);border:1px solid rgba(0,102,204,.28)}
.why-item h4{margin:2px 0 6px;font-size:16.5px;font-weight:700}
.why-item p{margin:0;font-size:14.5px;color:var(--mut)}

/* ================= capability grid ================= */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cap{padding:26px 24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);box-shadow:0 2px 14px rgba(20,60,105,.05);transition:.28s var(--ease)}
.cap:hover{border-color:var(--line-strong);box-shadow:0 16px 34px rgba(20,60,105,.11);transform:translateY(-4px)}
.cap-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(0,102,204,.10);border:1px solid rgba(0,102,204,.24)}
.cap-ico svg{width:22px;height:22px;stroke:var(--acc);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cap h4{margin:0 0 7px;font-size:16.5px;font-weight:700}
.cap p{margin:0;font-size:14px;color:var(--mut)}

/* ================= process ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{position:relative;padding:28px 22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card)}
.step::after{content:counter(s,decimal-leading-zero);counter-increment:s;font-size:42px;font-weight:800;letter-spacing:-2px;
  color:rgba(20,60,105,.09);position:absolute;top:12px;right:18px}
.step .line{width:28px;height:3px;border-radius:2px;background:var(--acc);margin-bottom:15px}
.step h4{margin:0 0 8px;font-size:16px;font-weight:700;position:relative}
.step p{margin:0;font-size:13.8px;color:var(--mut);position:relative}

/* ================= CTA band ================= */
.cta-band{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line-strong);padding:66px 56px}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-band .veil{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(38,120,200,.90),rgba(64,145,220,.78) 55%,rgba(96,170,235,.68))}
.cta-band .inner{position:relative;max-width:620px}
.cta-band h2{margin:0 0 13px;font-size:clamp(1.65rem,3.1vw,2.35rem);font-weight:800;letter-spacing:-.9px;color:#fff}
.cta-band p{margin:0 0 28px;color:#E4F1FF;font-size:16.5px}

/* ================= contact ================= */
.contact-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:13px}
.cc{display:flex;align-items:center;gap:15px;padding:19px 21px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--card);transition:.26s var(--ease)}
.cc:hover{border-color:var(--line-strong);box-shadow:0 10px 26px rgba(20,60,105,.09)}
.cc .ci{width:43px;height:43px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;background:var(--acc-soft);border:1px solid rgba(0,102,204,.26)}
.cc .ci svg{width:20px;height:20px;stroke:var(--acc);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.cc small{display:block;color:var(--mut-2);font-size:12.5px;letter-spacing:.4px}
.cc b{font-size:15.5px;font-weight:650;word-break:break-all}

.form{border:1px solid var(--line);border-radius:20px;padding:30px;background:var(--card);box-shadow:0 6px 26px rgba(20,60,105,.07)}
.form h3{margin:0 0 6px;font-size:19px;font-weight:700}
.form .sub{margin:0 0 20px;color:var(--mut-2);font-size:14px}
.field{margin-bottom:13px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--txt);font-size:14.5px;font-family:inherit;transition:.2s;outline:none}
.field textarea{min-height:100px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--acc);background:rgba(0,102,204,.05);box-shadow:0 0 0 3px rgba(0,102,204,.12)}
.field select option{background:#fff;color:#12283E}
.form .btn{width:100%;margin-top:6px}
.form .note{margin:13px 0 0;font-size:12.5px;color:var(--mut-2);text-align:center}

/* ================= footer ================= */
.site-footer{border-top:1px solid var(--line);padding:56px 0 32px;background:var(--bg-2)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:36px}
.foot-brand p{color:var(--mut);font-size:14px;max-width:360px;margin:16px 0 0}
.foot-col h5{margin:0 0 15px;font-size:12.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--mut-2)}
.foot-col a{display:block;color:var(--mut);font-size:14px;padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--acc)}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--mut-2);font-size:13px}

/* ================= reveal ================= */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ================= responsive ================= */
@media(max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .equip-top{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:34px}
  .split.rev .s-media{order:0}
  .hero-strip .container{grid-template-columns:1fr 1fr}
  .hs{border-right:0;border-bottom:1px solid rgba(20,60,105,.10);padding:18px 18px 18px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:880px){
  .main-nav{display:none;position:absolute;top:108px;left:0;right:0;flex-direction:column;background:rgba(255,255,255,.99);
    border-bottom:1px solid var(--line);padding:14px;gap:2px;z-index:70;box-shadow:0 18px 34px rgba(20,60,105,.14)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .topbar .tb-hide{display:none}
  .contact-wrap{grid-template-columns:1fr}
}
@media(max-width:620px){
  .sec{padding:64px 0}
  .hero{min-height:auto;padding-top:70px}
  .grid-4,.cat-grid,.cap-grid,.steps{grid-template-columns:1fr}
  .hero-strip .container{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  .foot-grid{grid-template-columns:1fr}
  .container{padding:0 18px}
}

/* =========================================================
   v3 — inner pages (catalog / services / about / contact)
   ========================================================= */
.main-nav a.active{color:var(--acc);background:rgba(0,102,204,.10)}

/* page hero */
.page-hero{position:relative;padding:92px 0 62px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero .ph-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;transform:scale(1.04)}
.page-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(234,243,251,.96) 0%,rgba(230,241,252,.80) 46%,rgba(226,240,252,.66) 100%)}
.page-hero .container{position:relative;z-index:2}
.crumb{font-size:12.5px;color:var(--mut-2);letter-spacing:.6px;margin-bottom:12px}
.crumb a:hover{color:var(--acc)}
.crumb span{opacity:.5;margin:0 7px}
.page-hero h1{margin:8px 0 0;font-size:clamp(1.9rem,4vw,3.05rem);font-weight:800;letter-spacing:-1.3px;line-height:1.1;color:#0E2136}
.page-hero p{margin:16px 0 0;color:var(--mut);font-size:17px;max-width:700px}

/* catalog cards */
.cat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ccard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);
  box-shadow:0 2px 14px rgba(20,60,105,.05);transition:.3s var(--ease);display:flex;flex-direction:column}
.ccard:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 38px rgba(20,60,105,.13)}
.ccard .cimg{position:relative;aspect-ratio:16/10;overflow:hidden}
.ccard .cimg img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.ccard:hover .cimg img{transform:scale(1.07)}
.ccard .cimg .tag{position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:99px;font-size:11px;font-weight:700;
  letter-spacing:.8px;background:rgba(255,255,255,.90);border:1px solid rgba(20,60,105,.14);backdrop-filter:blur(6px);color:#0052A3}
.ccard .cbody{padding:20px 20px 22px}
.ccard h3{margin:0 0 9px;font-size:17.5px;font-weight:720}
.ccard p{margin:0;color:var(--mut);font-size:14px}

/* service blocks */
.svc-block{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;padding:38px 0;border-bottom:1px solid var(--line)}
.svc-block:last-child{border-bottom:0;padding-bottom:0}
.svc-block:first-child{padding-top:0}
.svc-block .sb-txt h3{margin:0 0 12px;font-size:clamp(1.25rem,2.3vw,1.65rem);font-weight:780;letter-spacing:-.6px}
.svc-block .sb-txt p{margin:0;color:var(--mut);font-size:15.5px}
.svc-block .sb-badge{display:inline-block;margin-bottom:12px;font-size:12px;letter-spacing:2px;color:var(--acc);font-weight:700;text-transform:uppercase}
.sb-list{margin:18px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.sb-list li{position:relative;padding-left:25px;font-size:14.5px;color:#3E5C77}
.sb-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--acc);font-weight:800}
.svc-block .sb-media{border-radius:18px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11}
.svc-block .sb-media img{width:100%;height:100%;object-fit:cover}
.svc-block.rev .sb-media{order:-1}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:28px 22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);text-align:center;
  box-shadow:0 2px 14px rgba(20,60,105,.05);transition:.28s var(--ease)}
.stat:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 16px 34px rgba(20,60,105,.11)}
.stat b{display:block;font-size:33px;font-weight:800;letter-spacing:-1.4px;
  background:linear-gradient(135deg,#0052A3,#0066CC,#4E9BD9);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--mut-2)}

/* map / info box */
.map-box{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);min-height:340px;display:grid;place-items:center;
  background:
    radial-gradient(circle at 30% 28%,rgba(0,102,204,.16),transparent 55%),
    radial-gradient(circle at 74% 76%,rgba(0,102,204,.10),transparent 52%),
    linear-gradient(135deg,#EAF3FB,#E4EEF8 60%,#EAF3FB)}
.map-box .mb-in{text-align:center;padding:40px}
.map-box .mb-in svg{width:44px;height:44px;stroke:var(--acc);fill:none;stroke-width:1.4;margin:0 auto 14px;display:block}
.map-box .mb-in b{display:block;font-size:19px;font-weight:750}
.map-box .mb-in small{display:block;margin-top:7px;color:var(--mut-2);font-size:13.5px}

/* note strip */
.note-strip{display:flex;align-items:center;gap:16px;padding:19px 24px;border-radius:14px;
  border:1px solid rgba(0,102,204,.26);background:rgba(0,102,204,.07);color:#2C4D6B;font-size:15px;flex-wrap:wrap}
.note-strip svg{width:22px;height:22px;flex-shrink:0;stroke:var(--acc);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.note-strip .ns-txt{flex:1;min-width:220px}

@media(max-width:1080px){
  .cat-cards{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .svc-block{grid-template-columns:1fr;gap:26px;padding:30px 0}
  .svc-block.rev .sb-media{order:0}
}
@media(max-width:620px){
  .cat-cards,.stats{grid-template-columns:1fr}
  .page-hero{padding:68px 0 44px}
}

/* ================= FAQ (SEO) ================= */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;
  box-shadow:0 2px 12px rgba(20,60,105,.05);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(0,102,204,.35)}
.faq-item summary{list-style:none;cursor:pointer;position:relative;
  padding:19px 56px 19px 22px;font-weight:700;font-size:16.5px;color:var(--txt)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--acc);line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--mut);font-size:15.5px;line-height:1.7}
@media(max-width:620px){
  .faq-item summary{font-size:15.5px;padding:16px 50px 16px 18px}
  .faq-item p{padding:0 18px 18px;font-size:14.5px}
}

/* =========================================================
   v5 — 图片优先版式（2026-10-04 老板令：图片多、文字少）
   ========================================================= */

/* 实拍图集 · mosaic */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:210px;gap:12px}
.m-item{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#dbe8f4;display:block}
.m-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.m-item:hover img{transform:scale(1.06)}
.m-item.big{grid-column:span 2;grid-row:span 2}
.m-item.wide{grid-column:span 2}

/* 四条业务线 · 卡顶实拍图 */
.svc{padding:0 0 26px;overflow:hidden}
.svc-img{aspect-ratio:16/10;overflow:hidden;display:block}
.svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.svc:hover .svc-img img{transform:scale(1.06)}
.svc-ico{margin:22px 24px 14px}
.svc h3,.svc p,.svc .tagline{margin-left:24px;margin-right:24px}
.svc .tagline{margin-bottom:0}

/* 品类 · 图片瓷砖 */
.cat{display:block;padding:0;overflow:hidden}
.cat-img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.cat-ico{margin:14px 18px 0}
.cat>div:last-child{padding:12px 18px 18px}
.cat:hover{transform:translateY(-4px)}

/* 服务卡 · 卡顶实拍图 */
.cap{padding:0;overflow:hidden}
.cap-img{aspect-ratio:16/9;overflow:hidden;display:block}
.cap-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.cap:hover .cap-img img{transform:scale(1.06)}
.cap-ico{margin:18px 22px 12px}
.cap h4,.cap p{margin-left:22px;margin-right:22px}
.cap p{margin-bottom:20px}

@media(max-width:1080px){ .mosaic{grid-template-columns:repeat(3,1fr)} }
@media(max-width:880px){
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .m-item.big{grid-column:span 2;grid-row:span 1}
}
@media(max-width:620px){
  .mosaic{grid-template-columns:1fr;grid-auto-rows:200px}
  .m-item.big,.m-item.wide{grid-column:span 1}
}

/* =========================================================
   v6 — 设备大区（分区·细分）（2026-10-04 老板令）
   切割→磨边→钻孔→清洗→钢化→中空→夹胶→辅助
   ========================================================= */
.zones{display:flex;flex-direction:column;gap:22px}
.zone{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 22px 22px;box-shadow:0 1px 2px rgba(16,50,90,.04)}
.zone-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;padding-bottom:13px;border-bottom:1px solid var(--line)}
.zno{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;border-radius:12px;background:var(--acc);color:#fff;font-weight:800;font-size:17px;letter-spacing:.5px;flex:none}
.ztt{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.ztt h3{margin:0;font-size:21px;font-weight:800;color:var(--txt)}
.ztt small{color:var(--mut-2);font-size:13.5px;font-weight:600}
.zgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.zi{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f4f9fd}
.zi img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .6s var(--ease)}
.zi:hover img{transform:scale(1.06)}
.zi figcaption{padding:8px 10px;font-size:12.8px;line-height:1.3;font-weight:600;color:#1d3a5c;text-align:center;background:#f7fbff;border-top:1px solid var(--line);min-height:42px;display:flex;align-items:center;justify-content:center}
@media(max-width:1080px){ .zgrid{grid-template-columns:repeat(4,1fr)} }
@media(max-width:860px){ .zgrid{grid-template-columns:repeat(3,1fr)} }
@media(max-width:620px){
  .zgrid{grid-template-columns:repeat(2,1fr)}
  .zone{padding:16px 14px}
  .ztt h3{font-size:18px}
  .ztt small{font-size:12px}
}

/* =========================================================
   右下角快捷联系（浮动）  2026-10-04
   ========================================================= */
.qc{position:fixed;right:20px;bottom:22px;z-index:9000}
.qc-btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;background:var(--acc);color:#fff;padding:12px 18px;border-radius:999px;font-size:15px;font-weight:700;font-family:inherit;box-shadow:0 10px 26px rgba(0,80,160,.30);transition:background .2s var(--ease)}
.qc-btn:hover{background:var(--acc-2)}
.qc-btn svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:2}
.qc-panel{position:absolute;right:0;bottom:58px;width:282px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:0 16px 44px rgba(16,50,90,.22);display:none}
.qc.on .qc-panel{display:block}
.qc-ttl{font-weight:800;color:var(--txt);padding:8px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:6px;font-size:15px}
.qc-panel a{display:flex;align-items:center;gap:10px;padding:11px 10px;border-radius:10px;color:var(--txt);text-decoration:none;font-size:13.5px}
.qc-panel a:hover{background:var(--acc-soft)}
.qc-panel a svg{width:17px;height:17px;stroke:var(--acc);fill:none;stroke-width:2;flex:none}
.qc-panel a span{color:var(--mut-2);font-weight:700;flex:none;min-width:62px}
@media(max-width:620px){ .qc{right:14px;bottom:16px} .qc-btn b{display:none} .qc-btn{padding:13px} .qc-panel{width:252px} }