/* =========================================================
   温州千佳包装机械有限公司 · 官网视觉系统
   Design tokens / layout / components
   ========================================================= */

:root{
  --ink:#111418;
  --ink-2:#1A222A;
  --ink-3:#1F2937;
  --paper:#F5F6F3;
  --paper-2:#FFFFFF;
  --line:#DCE0DA;
  --line-dark:rgba(255,255,255,.11);
  --muted:#6C777C;
  --muted-dark:#93A0A6;
  --copper:#C05621;
  --copper-2:#9C4419;
  --copper-soft:#F0DCCB;

  --ff:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --container:1280px;
  --pad:clamp(20px,5vw,48px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--ff);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:var(--copper);color:#fff}

/* ---------- type ---------- */
.h-hero{font-size:clamp(34px,5.4vw,68px);line-height:1.14;letter-spacing:-.02em;font-weight:700;margin:0}
.h1{font-size:clamp(30px,3.6vw,46px);line-height:1.2;letter-spacing:-.015em;font-weight:700;margin:0}
.h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;letter-spacing:-.01em;font-weight:600;margin:0}
.h3{font-size:clamp(17px,1.3vw,20px);line-height:1.5;font-weight:600;margin:0}
.lead{font-size:clamp(15px,1.15vw,17px);line-height:1.9;color:var(--muted);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--copper);font-weight:600;margin:0 0 20px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper);display:block}
.dark .eyebrow{color:#CFA076}
.dark .eyebrow::before{background:#CFA076}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- layout ---------- */
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.sec{padding:clamp(64px,8vw,112px) 0;position:relative}
.sec--tight{padding:clamp(48px,5vw,72px) 0}
.sec--paper{background:var(--paper)}
.sec--white{background:var(--paper-2)}
.dark{background:var(--ink);color:#EDF1F2}
.dark .lead{color:var(--muted-dark)}
.dark .h1,.dark .h2,.dark .h3{color:#fff}
.hair{height:1px;background:var(--line);border:0;margin:0}
.dark .hair{background:var(--line-dark)}

.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(24px,4vw,64px);align-items:end;margin-bottom:clamp(36px,4.5vw,64px)}
.sec-head .lead{max-width:56ch}
@media(max-width:860px){.sec-head{grid-template-columns:1fr;align-items:start}}

/* ---------- topbar ---------- */
.topbar{background:var(--ink);color:#A6B1B6;font-size:12.5px;letter-spacing:.02em;border-bottom:1px solid rgba(255,255,255,.07)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px}
.topbar .tk{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar .tk span{display:inline-flex;align-items:center;gap:7px}
.topbar .dot{width:5px;height:5px;background:var(--copper);border-radius:50%;flex:0 0 auto}
.topbar a:hover{color:#fff}
@media(max-width:760px){.topbar .tk--hidem{display:none}}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:80;background:rgba(245,246,243,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);transition:background .3s}
.header.is-solid{background:rgba(245,246,243,.97)}
.header .bar{display:flex;align-items:center;gap:clamp(18px,3vw,44px);min-height:76px}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-cn{font-size:17.5px;font-weight:700;letter-spacing:.06em}
.brand-en{font-size:8.5px;letter-spacing:.19em;color:var(--muted);text-transform:uppercase;margin-top:3px}

.nav{display:flex;align-items:center;gap:clamp(14px,2vw,30px);margin-left:auto}
.nav a{position:relative;font-size:14.5px;font-weight:500;color:#2A3439;padding:6px 0;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--copper);transition:width .35s var(--ease)}
.nav a:hover::after,.nav a.on::after{width:100%}
.nav a.on{color:var(--copper)}
.header-cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.tel{display:flex;flex-direction:column;line-height:1.25;text-align:right}
.tel b{font-size:16px;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.tel small{font-size:10.5px;letter-spacing:.16em;color:var(--muted);text-transform:uppercase}

.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:1px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}

@media(max-width:1080px){
  .nav{display:none}.tel{display:none}
  .burger{display:flex}
  .header .bar{justify-content:space-between;gap:12px}
}
.drawer{position:fixed;inset:0;z-index:90;display:none;background:var(--ink);color:#fff;padding:24px var(--pad);overflow:auto}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.drawer-close{width:44px;height:44px;border:1px solid rgba(255,255,255,.2);background:none;color:#fff;font-size:20px;line-height:1;cursor:pointer}
.drawer nav{display:flex;flex-direction:column}
.drawer nav a{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:19px;display:flex;justify-content:space-between;align-items:center}
.drawer nav a span{font-size:11px;letter-spacing:.2em;color:var(--copper-soft)}
.drawer .drawer-tel{margin-top:32px;font-size:13px;color:#93A0A6;line-height:2}
.drawer .drawer-tel b{display:block;font-size:24px;color:#fff;letter-spacing:.02em}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;height:50px;padding:0 26px;font-size:14px;font-weight:600;letter-spacing:.04em;border:1px solid transparent;cursor:pointer;transition:all .3s var(--ease);white-space:nowrap}
.btn i{font-style:normal;transition:transform .3s var(--ease)}
.btn:hover i{transform:translateX(5px)}
.btn--primary{background:var(--copper);color:#fff}
.btn--primary:hover{background:var(--copper-2)}
.btn--ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:88px 88px;
  mask-image:radial-gradient(120% 90% at 70% 20%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 70% 20%,#000 20%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;right:-12%;top:-26%;width:62vw;height:62vw;z-index:-1;
  background:radial-gradient(circle,rgba(174,106,58,.20),transparent 62%);
  filter:blur(6px);
}
.hero-in{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(32px,5vw,72px);align-items:center;padding:clamp(56px,7vw,104px) var(--pad) clamp(48px,6vw,88px)}
.hero .h-hero em{font-style:normal;color:#D9A277}
.hero .lead{max-width:46ch;margin-top:24px;color:#9FADB3;font-size:clamp(15px,1.2vw,17.5px)}
.hero-tag{display:inline-flex;align-items:center;gap:12px;font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:#CFA076;margin-bottom:26px}
.hero-tag b{border:1px solid rgba(207,160,118,.45);padding:5px 12px;font-weight:600;letter-spacing:.18em;font-size:10.5px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:clamp(36px,4vw,56px);border-top:1px solid rgba(255,255,255,.13)}
.stats div{padding:22px 18px 0 0;border-right:1px solid rgba(255,255,255,.1)}
.stats div:last-child{border-right:0}
.stats b{display:block;font-size:clamp(26px,2.6vw,34px);font-weight:600;letter-spacing:-.01em;line-height:1.1}
.stats b small{font-size:13px;font-weight:500;color:#9FADB3;margin-left:3px;letter-spacing:0}
.stats span{display:block;font-size:11.5px;letter-spacing:.12em;color:#86949A;margin-top:8px}
@media(max-width:560px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div{padding:18px 12px 16px 0}
  .stats div:nth-child(2n){border-right:0}
  .stats div:nth-child(1),.stats div:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
}

/* hero visual frame */
.hero-visual{position:relative}
.frame{position:relative;border:1px solid rgba(255,255,255,.16);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.01));padding:14px}
.frame img{width:100%;height:auto;aspect-ratio:77/50;object-fit:cover;filter:contrast(1.04) saturate(.96)}
.frame .tick{position:absolute;width:14px;height:14px;border-color:#CFA076;border-style:solid;border-width:0}
.frame .tick.tl{top:-1px;left:-1px;border-top-width:1px;border-left-width:1px}
.frame .tick.tr{top:-1px;right:-1px;border-top-width:1px;border-right-width:1px}
.frame .tick.bl{bottom:-1px;left:-1px;border-bottom-width:1px;border-left-width:1px}
.frame .tick.br{bottom:-1px;right:-1px;border-bottom-width:1px;border-right-width:1px}
.frame-cap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 2px 0;font-size:11px;letter-spacing:.13em;color:#93A0A6;text-transform:uppercase}
.frame-cap b{color:#fff;font-weight:600;letter-spacing:.06em}
@media(max-width:960px){
  .hero-in{grid-template-columns:1fr;padding-top:44px}
  .hero-visual{order:-1}
}

/* ---------- capability strip ---------- */
.cap{background:var(--ink-2);border-top:1px solid rgba(255,255,255,.08);color:#fff}
.cap .row{display:grid;grid-template-columns:repeat(4,1fr)}
.cap .item{padding:34px clamp(16px,2vw,30px) 34px 0;border-right:1px solid rgba(255,255,255,.09)}
.cap .item:last-child{border-right:0}
.cap .item b{display:block;font-size:12px;letter-spacing:.2em;color:#CFA076;margin-bottom:10px}
.cap .item h4{margin:0 0 6px;font-size:16px;font-weight:600}
.cap .item p{margin:0;font-size:13px;line-height:1.7;color:#8D9AA0}
@media(max-width:900px){.cap .row{grid-template-columns:1fr 1fr}.cap .item:nth-child(2n){border-right:0}.cap .item{padding:26px 16px 26px 0}}
@media(max-width:520px){.cap .row{grid-template-columns:1fr}.cap .item{border-right:0;border-bottom:1px solid rgba(255,255,255,.09)}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(32px,5vw,80px);align-items:start}
@media(max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-txt p{margin:0 0 18px}
.about-media{position:relative}
.about-media img{width:100%;height:auto;aspect-ratio:4/3.05;object-fit:cover;filter:saturate(.92);border:1px solid var(--line);background:#F0F1EE}
.about-media .plate{position:absolute;left:0;bottom:-26px;background:var(--ink);color:#fff;padding:20px 24px;max-width:78%}
.about-media .plate b{display:block;font-size:13px;letter-spacing:.16em;color:#CFA076;margin-bottom:6px}
.about-media .plate span{font-size:12.5px;color:#9FADB3;line-height:1.6;display:block}
@media(max-width:900px){.about-media{margin-bottom:26px}.about-media .plate{bottom:-14px}}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.chip{font-size:12px;letter-spacing:.05em;border:1px solid var(--line);padding:7px 13px;color:#36424A;background:#fff}

/* key numbers row */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:clamp(40px,5vw,64px);padding-top:28px;gap:20px}
.kpis b{display:block;font-size:clamp(24px,2.3vw,32px);font-weight:600;letter-spacing:-.01em;line-height:1.1}
.kpis span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;letter-spacing:.04em}
@media(max-width:760px){.kpis{grid-template-columns:1fr 1fr;gap:24px 16px}}

/* ---------- product cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,1.6vw,24px)}
@media(max-width:980px){.cat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.cat-grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);position:relative;overflow:hidden;transition:border-color .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease);display:flex;flex-direction:column}
.card:hover{border-color:#B9C0B8;transform:translateY(-3px);box-shadow:0 18px 40px -28px rgba(11,17,21,.45)}
.card::before{content:"";position:absolute;top:0;left:0;height:2px;width:0;background:var(--copper);transition:width .45s var(--ease);z-index:2}
.card:hover::before{width:100%}
.card-img{background:#F7F7F4;aspect-ratio:77/50;overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease);mix-blend-mode:multiply;filter:brightness(1.05) contrast(1.03)}
.card:hover .card-img img{transform:scale(1.035)}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-idx{font-size:10.5px;letter-spacing:.22em;color:var(--copper);font-weight:600}
.card-body h3{font-size:17.5px;margin:0;font-weight:600}
.card-body p{margin:0;font-size:13px;line-height:1.7;color:var(--muted)}
.card-link{margin-top:auto;padding-top:14px;font-size:12.5px;letter-spacing:.08em;color:var(--ink);display:inline-flex;align-items:center;gap:8px;font-weight:600}
.card-link i{font-style:normal;color:var(--copper);transition:transform .3s var(--ease)}
.card:hover .card-link i{transform:translateX(4px)}

/* product listing grid */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1180px){.pgrid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:880px){.pgrid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.pgrid{grid-template-columns:1fr}}
.pcard{background:#fff;border:1px solid var(--line);cursor:pointer;transition:border-color .3s var(--ease),box-shadow .3s var(--ease);display:flex;flex-direction:column;text-align:left;padding:0;font:inherit;color:inherit}
.pcard:hover{border-color:#B9C0B8;box-shadow:0 16px 36px -30px rgba(11,17,21,.5)}
.pcard .ph{background:#F7F7F4;aspect-ratio:77/50;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);mix-blend-mode:multiply;filter:brightness(1.05) contrast(1.03)}
.pcard:hover .ph img{transform:scale(1.04)}
.pcard .pb{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.pcard .pb em{font-style:normal;font-size:10.5px;letter-spacing:.16em;color:var(--copper);font-weight:600}
.pcard .pb h4{margin:0;font-size:14.5px;font-weight:600;line-height:1.5;color:var(--ink)}
.pcard .pb span{margin-top:auto;font-size:11.5px;color:var(--muted);letter-spacing:.05em}

/* filter bar */
.filter{position:sticky;top:76px;z-index:60;background:rgba(245,246,243,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:14px 0}
.filter .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.fbtns{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.fbtn{font-size:13px;padding:8px 15px;border:1px solid var(--line);background:#fff;color:#3A464D;cursor:pointer;transition:all .25s;letter-spacing:.03em}
.fbtn:hover{border-color:#B9C0B8}
.fbtn.on{background:var(--ink);border-color:var(--ink);color:#fff}
.fsearch{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;padding:0 14px;height:38px}
.fsearch input{border:0;outline:0;font:inherit;font-size:13px;width:150px;background:none;color:var(--ink)}
.fsearch svg{flex:0 0 auto;opacity:.5}
.fcount{font-size:12px;color:var(--muted);letter-spacing:.05em;white-space:nowrap}
@media(max-width:760px){.filter{top:0;position:relative}.filter .wrap{gap:12px}.fsearch{display:none}}

/* ---------- process / dark section ---------- */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,28px);counter-reset:p}
.proc .step{border-top:1px solid rgba(255,255,255,.18);padding-top:22px;position:relative}
.proc .step b{position:absolute;top:-11px;right:0;font-size:11px;letter-spacing:.2em;color:#7C8A90}
.proc .step h4{margin:0 0 10px;font-size:16px;color:#fff}
.proc .step p{margin:0;font-size:13px;line-height:1.75;color:#8D9AA0}
@media(max-width:900px){.proc{grid-template-columns:1fr 1fr;gap:28px 20px}}
@media(max-width:520px){.proc{grid-template-columns:1fr}}

.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:clamp(32px,5vw,72px);align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.split-media{position:relative;overflow:hidden}
.split-media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;filter:saturate(.9) contrast(1.03)}
.split-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.checklist{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:14px}
.checklist li{display:flex;gap:12px;font-size:14px;line-height:1.7;color:#B9C5CA}
.checklist li::before{
  content:"✓";flex:0 0 auto;width:18px;height:18px;margin-top:3px;
  border:1px solid rgba(207,160,118,.5);color:#CFA076;
  display:flex;align-items:center;justify-content:center;
  font-size:10px;line-height:1;
}

/* ---------- service ---------- */
.svc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc .item{background:#fff;padding:clamp(24px,2.4vw,34px);transition:background .3s}
.svc .item:hover{background:#FBFBF9}
.svc .item b{display:block;font-size:11px;letter-spacing:.2em;color:var(--copper);margin-bottom:14px}
.svc .item h4{margin:0 0 10px;font-size:16.5px}
.svc .item p{margin:0;font-size:13px;line-height:1.75;color:var(--muted)}
@media(max-width:980px){.svc{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.svc{grid-template-columns:1fr}}

/* ---------- industry ---------- */
.ind{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.ind .item{background:#fff;padding:28px 18px;text-align:center;transition:all .3s}
.ind .item:hover{background:var(--ink);color:#fff}
.ind .item:hover span{color:#9FADB3}
.ind .item b{display:block;font-size:14.5px;font-weight:600;margin-bottom:8px}
.ind .item span{font-size:11px;letter-spacing:.14em;color:var(--muted);transition:color .3s}
@media(max-width:980px){.ind{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.ind{grid-template-columns:1fr 1fr}}

/* ---------- news ---------- */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
@media(max-width:900px){.news{grid-template-columns:1fr}}
.ncard{background:#fff;border:1px solid var(--line);padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px;transition:all .35s var(--ease)}
.ncard:hover{border-color:#B9C0B8;transform:translateY(-2px)}
.ncard time{font-size:11px;letter-spacing:.14em;color:var(--muted)}
.ncard h4{margin:0;font-size:16.5px;line-height:1.5;font-weight:600}
.ncard p{margin:0;font-size:13px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA band ---------- */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;left:-8%;bottom:-60%;width:52vw;height:52vw;background:radial-gradient(circle,rgba(174,106,58,.22),transparent 65%)}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:clamp(48px,6vw,76px) var(--pad);position:relative}
.cta h2{font-size:clamp(24px,3vw,38px);margin:0 0 12px;letter-spacing:-.015em;line-height:1.25}
.cta p{margin:0;color:#9FADB3;font-size:14.5px}
@media(max-width:860px){.cta .wrap{flex-direction:column;align-items:flex-start}}

/* ---------- footer ---------- */
.footer{background:#080D10;color:#94A1A7;font-size:13px;padding:clamp(48px,6vw,72px) 0 0}
.f-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:clamp(24px,4vw,56px);padding-bottom:44px}
.f-brand .brand-cn{color:#fff}
.f-brand .brand-en{color:#718088}
.f-brand p{margin:18px 0 0;line-height:1.9;max-width:34ch;font-size:12.5px;color:#7C8A90}
.f-col h5{margin:0 0 16px;font-size:11px;letter-spacing:.22em;color:#5F6D73;font-weight:600;text-transform:uppercase}
.f-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.f-col a:hover{color:#fff}
.f-col li{line-height:1.7;font-size:13px}
.f-ct b{color:#fff;font-size:20px;letter-spacing:.02em;display:block;margin-bottom:2px;font-variant-numeric:tabular-nums}
.f-ct .row{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid rgba(255,255,255,.08);padding:10px 0;font-size:12.5px}
.f-ct .row span{color:#5F6D73}
.f-ct .row i{font-style:normal;color:#D5DBDE;text-align:right;max-width:62%;font-variant-numeric:tabular-nums}
.f-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between;font-size:12px;color:#5F6D73}
.f-bottom a:hover{color:#fff}
.f-legal{font-size:11.5px;color:#4C595F;line-height:1.9;padding-bottom:22px;max-width:100%}
@media(max-width:980px){.f-top{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.f-top{grid-template-columns:1fr}}

/* ---------- page hero (inner) ---------- */
.phero{background:var(--ink);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.phero::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:88px 88px;mask-image:radial-gradient(90% 100% at 20% 0%,#000,transparent 75%);-webkit-mask-image:radial-gradient(90% 100% at 20% 0%,#000,transparent 75%)}
.phero .in{padding:clamp(48px,6vw,84px) var(--pad) clamp(40px,5vw,64px)}
.phero h1{font-size:clamp(28px,3.6vw,46px);margin:0 0 16px;letter-spacing:-.015em;line-height:1.2}
.phero p{margin:0;color:#9FADB3;max-width:62ch;font-size:15px;line-height:1.85}
.crumb{display:flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.12em;color:#6F7D83;margin-bottom:26px}
.crumb a:hover{color:#fff}
.crumb em{font-style:normal;color:#3E4A50}

/* ---------- spec table ---------- */
.spec{border:1px solid var(--line);background:#fff;margin:0}
.spec caption{text-align:left;font-size:11px;letter-spacing:.2em;color:var(--copper);padding:0 0 14px;font-weight:600}
.spec tr{border-bottom:1px solid var(--line)}
.spec tr:last-child{border-bottom:0}
.spec th,.spec td{padding:14px 18px;font-size:13.5px;text-align:left;vertical-align:top}
.spec th{width:34%;color:#4A575E;font-weight:500;background:#FAFAF8;border-right:1px solid var(--line)}
.spec td{color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(8,13,16,.72);backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-box{background:var(--paper);max-width:940px;width:100%;max-height:88vh;overflow:auto;position:relative;border:1px solid rgba(255,255,255,.14)}
.modal-grid{display:grid;grid-template-columns:1fr 1fr}
@media(max-width:760px){.modal-grid{grid-template-columns:1fr}}
.modal-img{background:#F5F5F2;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line);min-height:260px}
.modal-img img{width:100%;height:100%;max-height:520px;object-fit:contain;padding:clamp(14px,2vw,26px);mix-blend-mode:multiply}
.modal-body{padding:clamp(22px,3vw,36px)}
.modal-body .eyebrow{margin-bottom:12px}
.modal-body h3{font-size:22px;margin:0 0 14px;line-height:1.4}
.modal-body p{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0 0 18px}
.modal-close{position:absolute;top:12px;right:12px;width:38px;height:38px;background:#fff;border:1px solid var(--line);cursor:pointer;font-size:16px;line-height:1;z-index:3}
.modal-close:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:11.5px;letter-spacing:.12em;color:var(--muted)}
.field input,.field textarea,.field select{
  border:1px solid var(--line);background:#fff;padding:12px 14px;font:inherit;font-size:14px;outline:0;transition:border-color .25s;color:var(--ink)
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--copper)}
.field textarea{min-height:110px;resize:vertical}
@media(max-width:600px){.form{grid-template-columns:1fr}}
.note{font-size:12px;color:var(--muted);line-height:1.8;margin:16px 0 0}

/* ---------- misc ---------- */
.map-card{border:1px solid var(--line);background:#fff;padding:0;overflow:hidden}
.map-card .mh{height:230px;background:
  radial-gradient(circle at 30% 30%,rgba(174,106,58,.10),transparent 60%),
  repeating-linear-gradient(0deg,rgba(11,17,21,.055) 0 1px,transparent 1px 34px),
  repeating-linear-gradient(90deg,rgba(11,17,21,.055) 0 1px,transparent 1px 34px),
  #EEF0EC;position:relative;display:flex;align-items:center;justify-content:center}
.map-card .mh .pin{background:var(--ink);color:#fff;padding:12px 18px;font-size:12.5px;letter-spacing:.06em;position:relative}
.map-card .mh .pin::after{content:"";position:absolute;left:50%;bottom:-7px;width:12px;height:12px;background:var(--ink);transform:translateX(-50%) rotate(45deg)}
.map-card .mb{padding:22px 24px;border-top:1px solid var(--line)}
.map-card .mb b{display:block;font-size:14.5px;margin-bottom:8px}
.map-card .mb p{margin:0;font-size:13px;color:var(--muted);line-height:1.8}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* print-safe */
@media print{.header,.topbar,.drawer,.modal,.cta,.footer{display:none!important}}

/* ---------- mobile refinements ---------- */
html,body{overflow-x:hidden}
.hero-in>*,.about-grid>*,.split>*,.sec-head>*{min-width:0}
@media(max-width:760px){
  .topbar .tk span.tk--hidem{display:none!important}
  .topbar .wrap{min-height:34px}
  .topbar{font-size:11.5px}
}
@media(max-width:640px){
  .header .bar{min-height:64px;gap:10px}
  .header-cta .btn{display:none}
  .brand-mark{width:34px;height:34px}
  .brand-cn{font-size:16px}
  .brand-en{font-size:7.5px;letter-spacing:.13em}
  .hero .h-hero{font-size:36px}
  .hero-in{padding-top:32px}
  .hero .lead{margin-top:18px}
  .btn-row{gap:10px;margin-top:26px}
  .btn{height:46px;padding:0 20px;font-size:13.5px}
  .frame{padding:10px}
  .f-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* ---------- 动态区块：主力机型横条 ---------- */
.hstrip{display:grid;grid-auto-flow:column;grid-auto-columns:236px;gap:clamp(12px,1.4vw,18px);overflow-x:auto;padding:4px 2px 18px;margin-bottom:clamp(20px,3vw,34px);scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.hstrip::-webkit-scrollbar{height:5px}
.hstrip::-webkit-scrollbar-thumb{background:#C9CFC6;border-radius:3px}
.hitem{display:block;background:#fff;border:1px solid var(--line);scroll-snap-align:start;transition:border-color .35s var(--ease),transform .35s var(--ease)}
.hitem:hover{border-color:#B9C0B8;transform:translateY(-2px)}
.hitem-img{display:block;background:#F7F7F4;aspect-ratio:77/50;overflow:hidden}
.hitem-img img{width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply;filter:brightness(1.05) contrast(1.03)}
.hitem-b{display:flex;flex-direction:column;gap:5px;padding:12px 14px 14px;min-height:76px}
.hitem-b em{font-style:normal;font-size:10.5px;letter-spacing:.12em;color:var(--copper);text-transform:uppercase}
.hitem-b b{font-size:13.5px;font-weight:600;line-height:19.5px;color:var(--ink);height:39px;overflow:hidden}
@media(max-width:640px){
  .hstrip{grid-auto-columns:70%}
  .hitem-b b{font-size:13px}
}

/* 新闻卡片「阅读全文」 */
.ncard-more{font-size:11.5px;letter-spacing:.1em;color:var(--copper);margin-top:auto}
.ncard{justify-content:flex-start}
.ncard h4{flex:none}

/* 数据未就绪时的占位骨架 */
.pgrid:empty::after,.nlist:empty::after,.hstrip:empty::after{
  content:'正在载入机型数据…';display:block;grid-column:1/-1;padding:40px 0;text-align:center;
  font-size:13px;color:var(--muted);letter-spacing:.06em
}

/* =========================================================
   栏目页组件（解决方案 / 制造实力 / 服务支持）
   ========================================================= */

/* 行业方案卡 */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px)}
@media(max-width:980px){.sol-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.sol-grid{grid-template-columns:1fr}}
.sol{background:var(--paper-2);border:1px solid var(--line);padding:26px 24px 22px;display:flex;flex-direction:column;gap:12px;transition:border-color .35s var(--ease),transform .35s var(--ease)}
.sol:hover{border-color:#B9C0B8;transform:translateY(-2px)}
.sol-idx{font-size:11px;letter-spacing:.18em;color:var(--copper);font-variant-numeric:tabular-nums}
.sol h3{font-size:18px;line-height:1.4;margin:0}
.sol-pain{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
.sol-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px;border-top:1px solid var(--line);padding-top:14px}
.sol-list li{font-size:13px;line-height:1.65;padding-left:14px;position:relative;color:#3C464B}
.sol-list li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;background:var(--copper);opacity:.7}
.sol-link{margin-top:auto;padding-top:14px;font-size:12.5px;letter-spacing:.04em;color:var(--copper);border-top:1px solid var(--line)}
.sol-link i{font-style:normal;transition:transform .3s var(--ease);display:inline-block}
.sol:hover .sol-link i{transform:translateX(4px)}

/* 连线方案 */
.line-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.line-row{display:grid;grid-template-columns:180px minmax(0,1fr);gap:clamp(16px,3vw,44px);padding:26px 0;border-bottom:1px solid var(--line);align-items:start}
@media(max-width:880px){.line-row{grid-template-columns:1fr;gap:14px}}
.line-h{display:flex;align-items:baseline;gap:12px}
.line-h b{font-size:12px;letter-spacing:.14em;color:var(--copper);font-variant-numeric:tabular-nums}
.line-h span{font-size:16px;font-weight:600}
.line-flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px}
.line-flow em{font-style:normal;font-size:12.5px;padding:6px 12px;background:var(--paper);border:1px solid var(--line);color:#3C464B}
.line-flow i{font-style:normal;color:#B4BCB4;font-size:12px}
.line-row p{font-size:13.5px;line-height:1.85;color:var(--muted);margin:0}

/* 交付物 */
.deliver{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:880px){.deliver{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.deliver{grid-template-columns:1fr}}
.dv{background:var(--paper-2);padding:24px 22px}
.dv b{display:block;font-size:14.5px;margin-bottom:8px}
.dv p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}

/* 工序步骤 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.steps--5{grid-template-columns:repeat(5,1fr)}
@media(max-width:980px){.steps,.steps--5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.steps,.steps--5{grid-template-columns:repeat(2,1fr)}}
.step{background:var(--paper-2);padding:22px 18px 20px}
.step b{display:block;font-size:11.5px;letter-spacing:.14em;color:var(--copper);font-variant-numeric:tabular-nums;margin-bottom:10px}
.step h4{font-size:14.5px;margin:0 0 8px}
.step p{font-size:12.5px;line-height:1.75;color:var(--muted);margin:0}

/* 表格容器 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--paper-2)}
.spec--wide{width:100%;border-collapse:collapse;margin:0}
.spec--wide caption{caption-side:top;text-align:left;font-size:11px;letter-spacing:.12em;color:var(--muted);padding:16px 18px 10px}
.spec--wide th,.spec--wide td{border-bottom:1px solid #EEF1EC;padding:12px 18px;text-align:left;font-size:13px}
.spec--wide th{background:#FAFBF8;font-size:12px;letter-spacing:.06em;color:#5C666B;white-space:nowrap}
.spec--wide tr:last-child td{border-bottom:0}

/* 质检 / 资质 */
.qc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,1.6vw,22px)}
@media(max-width:880px){.qc-grid{grid-template-columns:1fr}}
.qc{background:var(--paper-2);border:1px solid var(--line);padding:26px 24px}
.qc b{display:block;font-size:15px;margin-bottom:10px}
.qc p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:980px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cert-grid{grid-template-columns:1fr}}
.cert{background:var(--paper-2);padding:24px 22px;display:flex;flex-direction:column;gap:8px}
.cert b{font-size:14px}
.cert span{font-size:12.5px;line-height:1.7;color:#3C464B}
.cert em{font-style:normal;font-size:11.5px;color:var(--copper);margin-top:auto;padding-top:10px}

/* 服务承诺 */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:980px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr}}
.svc{background:var(--paper-2);padding:28px 24px}
.svc b{display:block;font-size:38px;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.svc b small{font-size:13px;letter-spacing:0;color:var(--muted);margin-left:3px;font-weight:400}
.svc h4{font-size:14.5px;margin:12px 0 8px}
.svc p{font-size:12.5px;line-height:1.8;color:var(--muted);margin:0}

/* 两列 + 列表 */
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,4vw,56px);align-items:start}
@media(max-width:880px){.two-col{grid-template-columns:1fr}}
.tick-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.tick-list li{position:relative;padding-left:20px;font-size:13.5px;line-height:1.7;color:#3C464B}
.tick-list li::before{content:'';position:absolute;left:2px;top:9px;width:7px;height:7px;border-right:1.5px solid var(--copper);border-bottom:1.5px solid var(--copper);transform:rotate(45deg)}
.card-note{background:var(--paper);border:1px solid var(--line);padding:26px 24px}
.card-note b{display:block;font-size:15px;margin-bottom:10px}
.card-note p{font-size:13px;line-height:1.85;color:var(--muted);margin:0}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:980px){.dl-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.dl-grid{grid-template-columns:1fr}}
.dl{background:var(--paper-2);padding:24px 22px;display:flex;flex-direction:column;gap:7px}
.dl b{font-size:14px}
.dl span{font-size:12px;color:var(--muted);line-height:1.6}
.dl a{margin-top:auto;padding-top:12px;font-size:12.5px;color:var(--copper)}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:var(--paper-2)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 46px 20px 22px;font-size:15px;font-weight:600;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:22px;top:17px;font-size:20px;color:var(--copper);font-weight:400;transition:transform .3s var(--ease)}
.faq-item[open] summary::after{content:'−'}
.faq-item p{font-size:13.5px;line-height:1.9;color:var(--muted);margin:0;padding:0 22px 22px;max-width:900px}

/* 导航项增多后的紧凑处理 */
@media(max-width:1420px){
  .header .bar{gap:18px}
  .nav{gap:0}
  .nav a{padding-left:9px;padding-right:9px;font-size:13px}
  .nav a.lang{padding-left:11px;margin-left:4px}
}
@media(max-width:1260px){
  .header-cta .tel{display:none}
}
@media(max-width:1080px){
  .nav a{padding-left:8px;padding-right:8px;font-size:12.5px}
}

/* ---------- 产品对比 ---------- */
.pcard{position:relative}
.pcard-hit{display:flex;flex-direction:column;width:100%;background:none;border:0;padding:0;font:inherit;color:inherit;text-align:left;cursor:pointer}
.pcard-hit:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.pcard.sel{border-color:var(--copper);box-shadow:0 0 0 1px var(--copper) inset}
.cmp{position:absolute;top:10px;right:10px;z-index:2;display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.95);border:1px solid var(--line);padding:5px 10px;font-size:11.5px;color:#4B555B;cursor:pointer;transition:border-color .2s,color .2s}
.cmp:hover{border-color:var(--copper);color:var(--copper)}
.cmp input{width:13px;height:13px;margin:0;accent-color:var(--copper);cursor:pointer}
.cmp:has(input:checked){border-color:var(--copper);color:var(--copper);background:#fff}

.cmpbar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(17,20,24,.97);color:#fff;backdrop-filter:blur(10px);box-shadow:0 -8px 30px -20px rgba(0,0,0,.6)}
.cmpbar-in{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap}
.cmpbar-n{font-size:13px;letter-spacing:.04em}
.cmpbar-n b{font-size:19px;font-variant-numeric:tabular-nums;color:#E8A87C;margin:0 2px}
.cmpbar-tip{font-size:12px;color:#96A2A8}
.cmpbar-act{margin-left:auto;display:flex;gap:10px}
.cmpbar .btn{height:40px}
.cmpbar .btn--line{border-color:rgba(255,255,255,.3);color:#fff;background:transparent}
.cmpbar .btn--line:hover{background:rgba(255,255,255,.1)}
.cmpbar .btn--primary:disabled{opacity:.45;cursor:not-allowed}
body.has-cmpbar{padding-bottom:64px}
@media(max-width:640px){
  .cmpbar-in{min-height:auto;padding-top:10px;padding-bottom:10px;gap:8px}
  .cmpbar-tip{display:none}
  .cmpbar-act{width:100%;margin-left:0}
  .cmpbar-act .btn{flex:1}
}

.modal-box--wide{max-width:1100px}
.cmp-scroll{overflow-x:auto}
.cmp-table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
.cmp-table th,.cmp-table td{border-bottom:1px solid #EEF1EC;padding:12px 14px;text-align:left;vertical-align:top}
.cmp-table tr:first-child th{border-bottom:1px solid var(--line);vertical-align:top}
.cmp-table thead th,.cmp-table tr:first-child th{background:#FAFBF8}
.cmp-table th img{width:100%;max-width:190px;height:auto;aspect-ratio:77/50;object-fit:cover;background:#F7F7F4;display:block;margin-bottom:10px;mix-blend-mode:multiply}
.cmp-table th b{display:block;font-size:13.5px;line-height:1.45;margin-bottom:4px}
.cmp-table th span{font-size:11px;letter-spacing:.1em;color:var(--copper)}
.cmp-table .cmp-th{width:120px;font-size:12px;color:#5C666B;letter-spacing:.04em;background:#FAFBF8;white-space:nowrap}
.cmp-table td.cmp-desc{font-size:12.5px;color:var(--muted);line-height:1.7}
.cmp-note{font-size:11.5px;color:var(--muted);margin:14px 0 0}

/* 数字动态化后避免行内 span 被 .stats span 的 block 规则打断 */
.stats b [data-count],.kpis b [data-count],.svc b [data-count],.h1 [data-count]{display:inline;font-size:inherit;font-weight:inherit;color:inherit;letter-spacing:inherit;margin:0;line-height:inherit}

/* 语言切换 */
.nav a.lang{border-left:1px solid var(--line);margin-left:8px;padding-left:14px;color:var(--muted);font-size:12.5px;letter-spacing:.08em}
.nav a.lang:hover{color:var(--copper)}
.drawer nav a span{letter-spacing:.14em}