/* ============================================================
   高宇智能锁 · 站点设计系统 v2
   参考：Kaadas（产品卡/资讯）、Lockly（畅销榜/能力分区）、
        igloohome（B2B 数据首屏/编号流程/FAQ/强 CTA）
   ============================================================ */

:root{
  --ink:#0b1a2b;
  --navy:#0a2c50;
  --navy-2:#0d3a68;
  --blue:#14589e;
  --blue-l:#e8f0f9;
  --orange:#f2700f;
  --orange-d:#d95f05;
  --orange-l:#fff2e8;
  --text:#132033;
  --gray:#5c6b7f;
  --gray-l:#8b97a6;
  --line:#e3e8ef;
  --line-2:#eef1f6;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --bg-mute:#eef2f7;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(11,26,43,.05),0 4px 14px rgba(11,26,43,.05);
  --shadow-md:0 8px 30px rgba(11,26,43,.09);
  --shadow-lg:0 24px 60px rgba(11,26,43,.14);
  --container:1240px;
  --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(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.24;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
table{border-collapse:collapse;width:100%}
svg{display:block}
::selection{background:var(--orange);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}

/* ---------- 通用元件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--orange);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--orange);border-radius:2px}
.eyebrow.on-dark{color:#ffb37a}
.eyebrow.on-dark::before{background:#ffb37a}

.sec{padding:96px 0}
.sec.tight{padding:72px 0}
.sec.soft{background:var(--bg-soft)}
.sec.mute{background:var(--bg-mute)}
.sec.dark{background:var(--navy);color:#dbe6f2}
.sec.dark h2,.sec.dark h3,.sec.dark h4{color:#fff}
.sec.dark .lead{color:#a9bdd3}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px}
.sec-head h2{font-size:clamp(27px,3vw,38px);letter-spacing:-.03em}
.sec-head h2 em{font-style:normal;color:var(--blue)}
.sec.dark .sec-head h2 em{color:#7fb6ee}
.sec-head .lead{color:var(--gray);font-size:15.5px;max-width:520px;margin-top:12px}
.sec-head .more{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:650;color:var(--blue);padding-bottom:4px;border-bottom:1px solid transparent;transition:.2s;
}
.sec-head .more:hover{border-color:var(--blue);gap:12px}
.sec-head .more svg{width:15px;height:15px;fill:currentColor}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:650;letter-spacing:.01em;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn svg{width:16px;height:16px;fill:currentColor;flex:0 0 auto}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,112,15,.28)}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,112,15,.34)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(11,26,43,.18);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(11,26,43,.03)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-outline-w{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-outline-w:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.btn-lg{padding:15px 30px;font-size:15px}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- 顶部条 ---------- */
.topline{background:var(--ink);color:#c3d2e2;font-size:13px}
.topline .container{display:flex;align-items:center;justify-content:space-between;height:42px;gap:24px}
.topline .l{display:flex;align-items:center;gap:22px;overflow:hidden}
.topline .l span{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.topline svg{width:14px;height:14px;fill:#8fb3d8}
.topline .r{display:flex;align-items:center;gap:20px;white-space:nowrap}
.topline a{color:#e7eef6;font-weight:600}
.topline a:hover{color:var(--orange)}

/* ---------- 头部 ---------- */
.hdr{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2);transition:box-shadow .25s,border-color .25s}
.hdr.scrolled{box-shadow:0 6px 24px rgba(11,26,43,.08);border-color:transparent}
.hdr-in{display:flex;align-items:center;gap:36px;height:76px}
.logo{flex:0 0 auto;display:flex;align-items:center}
.logo img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav li{position:relative}
.nav li>a{
  display:inline-flex;align-items:center;gap:5px;padding:10px 14px;border-radius:9px;
  font-size:15px;font-weight:600;color:var(--text);transition:.18s;white-space:nowrap;
}
.nav li>a:hover,.nav li>a.on{color:var(--blue);background:var(--blue-l)}
.nav .drop{display:inline-block;width:8px;height:8px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.5}
.sub{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  width:560px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;
  box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1fr 1fr;gap:4px;
  opacity:0;visibility:hidden;transition:.2s var(--ease);
}
.nav li:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub a{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:10px;transition:.15s}
.sub a:hover{background:var(--bg-soft)}
.sub a b{font-size:14px;font-weight:650;color:var(--ink)}
.sub a span{font-size:12.5px;color:var(--gray-l)}
.sub .all{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;background:var(--bg-soft);margin-top:4px;font-size:13.5px;color:var(--blue);font-weight:650}
.hdr-act{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.hdr-tel{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.hdr-tel svg{width:16px;height:16px;fill:var(--orange)}
.hdr-tel b{font-size:16px;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 520px at 82% -10%,#eaf1fa 0%,rgba(255,255,255,0) 60%),
  linear-gradient(180deg,#fbfcfe 0%,#fff 100%)}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line-2)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 84px}
.hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.14;letter-spacing:-.035em;font-weight:800}
.hero h1 em{font-style:normal;position:relative;color:var(--blue);white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:rgba(242,112,15,.16);z-index:-1;border-radius:3px}
.hero-sub{margin-top:22px;font-size:16.5px;line-height:1.8;color:var(--gray);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;gap:44px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats b{display:block;font-size:32px;font-weight:800;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.hero-stats b i{font-style:normal;font-size:14px;font-weight:650;color:var(--gray);margin-left:3px;letter-spacing:0}
.hero-stats span{font-size:13px;color:var(--gray-l);display:block;margin-top:6px}

.hero-visual{position:relative}
.hero-panel{
  position:relative;border-radius:26px;overflow:hidden;
  background:linear-gradient(160deg,#eef3f9 0%,#f8fafc 46%,#e9eef6 100%);
  border:1px solid #e6ecf4;box-shadow:var(--shadow-md);
  aspect-ratio:1/1.02;display:flex;align-items:center;justify-content:center;
}
.hero-panel::before{content:"";position:absolute;inset:0;background:
  radial-gradient(520px 320px at 50% 12%,rgba(255,255,255,.9),rgba(255,255,255,0) 70%)}
.hero-panel img{position:absolute;max-height:90%;max-width:84%;object-fit:contain;opacity:0;transform:scale(.98);transition:opacity .45s var(--ease),transform .6s var(--ease);mix-blend-mode:multiply}
.hero-panel img.on{opacity:1;transform:scale(1)}
.hero-chip{
  position:absolute;left:20px;bottom:20px;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border:1px solid #e6ecf4;
  border-radius:12px;padding:9px 14px;font-size:12.5px;font-weight:650;color:var(--ink);box-shadow:var(--shadow-sm);
}
.hero-chip b{color:var(--orange);font-size:14px;letter-spacing:.02em}
.hero-tabs{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.hero-tabs button{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  font-size:13px;color:var(--gray);transition:.18s;
}
.hero-tabs button.on{border-color:var(--navy);background:var(--navy);color:#fff}
.hero-tabs button:hover:not(.on){border-color:var(--blue);color:var(--blue)}
.hero-float{
  position:absolute;right:-14px;top:26px;background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-md);border:1px solid var(--line-2);display:flex;gap:12px;align-items:center;
}
.hero-float .ico{width:38px;height:38px;border-radius:11px;background:var(--orange-l);display:flex;align-items:center;justify-content:center}
.hero-float .ico svg{width:20px;height:20px;fill:var(--orange)}
.hero-float b{display:block;font-size:14px;color:var(--ink)}
.hero-float span{font-size:12px;color:var(--gray-l)}

/* ---------- 信任条 ---------- */
.trustbar{border-bottom:1px solid var(--line-2);background:#fff}
.trustbar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{display:flex;align-items:center;gap:13px;padding:26px 26px;border-right:1px solid var(--line-2)}
.trust-item:first-child{padding-left:0}
.trust-item:last-child{border-right:0}
.trust-item .ico{width:40px;height:40px;flex:0 0 auto;border-radius:11px;background:var(--bg-mute);display:flex;align-items:center;justify-content:center}
.trust-item .ico svg{width:21px;height:21px;fill:var(--blue)}
.trust-item b{display:block;font-size:14.5px;font-weight:700;color:var(--ink)}
.trust-item span{font-size:12.5px;color:var(--gray-l)}

/* ---------- 分类 bento ---------- */
.cat-bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:236px;gap:18px}
.cat-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--bg-soft);display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d7e2ef}
.cat-card .img{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:18px 18px 62px}
.cat-card .img img{max-height:100%;width:auto;object-fit:contain;transition:transform .5s var(--ease);mix-blend-mode:multiply}
.cat-card:hover .img img{transform:scale(1.045)}
.cat-card .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,0) 42%,rgba(255,255,255,.92) 72%,#fff 100%)}
.cat-card .txt{position:relative}
.cat-card .k{font-size:11.5px;letter-spacing:.14em;color:var(--orange);font-weight:700;text-transform:uppercase}
.cat-card h3{font-size:19px;margin:6px 0 4px;letter-spacing:-.02em}
.cat-card p{font-size:13px;color:var(--gray);line-height:1.6}
.cat-card .cnt{position:absolute;right:22px;bottom:22px;font-size:12.5px;color:var(--gray-l);font-weight:650}
.cat-card.big{grid-column:span 2;grid-row:span 2;padding:30px}
.cat-card.big .img{padding:28px 28px 120px}
.cat-card.big h3{font-size:26px}
.cat-card.big p{font-size:14px;max-width:320px}
.cat-card.big .cnt{font-size:13.5px;bottom:30px;right:30px}
.cat-card.dark{background:linear-gradient(150deg,var(--navy) 0%,#0f3f6d 100%);border-color:transparent}
.cat-card.dark h3{color:#fff}
.cat-card.dark p{color:#a9bdd3}
.cat-card.dark .k{color:#ffb37a}
.cat-card.dark .cnt{color:#8fa9c4}
.cat-card.dark .img img{filter:drop-shadow(0 18px 26px rgba(0,0,0,.4))}
.cat-card.dark .shade{display:none}

/* ---------- 产品卡 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pgrid.three{grid-template-columns:repeat(3,1fr)}
.pcard{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s,border-color .22s;
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d9e4f1}
.pcard .ph{position:relative;display:block;aspect-ratio:4/3.5;background:linear-gradient(170deg,#f8fafc,#eef2f8);overflow:hidden}
.pcard .ph img{position:absolute;inset:0;margin:auto;max-height:88%;max-width:86%;width:auto;object-fit:contain;transition:transform .5s var(--ease);mix-blend-mode:multiply}
.pcard:hover .ph img{transform:scale(1.05)}
.pcard .flag{position:absolute;left:12px;top:12px;z-index:2;font-size:11.5px;font-weight:700;letter-spacing:.06em;padding:5px 10px;border-radius:6px;background:var(--orange);color:#fff}
.pcard .flag.new{background:var(--navy)}
.pcard .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.pcard .model{font-size:11.5px;font-weight:750;letter-spacing:.14em;color:var(--orange)}
.pcard h3{font-size:16.5px;margin:6px 0 6px;letter-spacing:-.015em;line-height:1.4}
.pcard h3 a:hover{color:var(--blue)}
.pcard .sub{font-size:12.5px;color:var(--gray-l);line-height:1.6;min-height:40px}
.pcard .chips{display:flex;flex-wrap:wrap;gap:5px;margin:12px 0 16px}
.pcard .chips span{font-size:11.5px;color:var(--gray);background:var(--bg-soft);border:1px solid var(--line-2);border-radius:5px;padding:3px 7px}
.pcard .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line-2)}
.pcard .foot .link{font-size:13px;color:var(--gray);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.pcard .foot .link svg{width:13px;height:13px;fill:currentColor;transition:.2s}
.pcard:hover .foot .link{color:var(--blue)}
.pcard:hover .foot .link svg{transform:translateX(3px)}
.pcard .foot .btn{padding:8px 14px;font-size:12.5px}

/* ---------- 数据/测试 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stats .st{background:#fff;padding:30px 26px}
.sec.dark .stats{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.14)}
.sec.dark .stats .st{background:rgba(255,255,255,.03)}
.st b{display:block;font-size:42px;font-weight:800;letter-spacing:-.04em;line-height:1;color:var(--navy);font-variant-numeric:tabular-nums}
.sec.dark .st b{color:#fff}
.st b i{font-style:normal;font-size:16px;font-weight:650;margin-left:4px;color:var(--gray)}
.sec.dark .st b i{color:#8fb3d8}
.st span{display:block;font-size:13.5px;color:var(--gray);margin-top:10px}
.sec.dark .st span{color:#a9bdd3}

/* ---------- 能力/优势卡 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cap{border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;background:#fff;transition:.22s var(--ease)}
.cap:hover{border-color:#cfe0f2;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.cap .ico{width:46px;height:46px;border-radius:12px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.cap .ico svg{width:23px;height:23px;fill:var(--blue)}
.cap h3{font-size:16.5px;margin-bottom:8px}
.cap p{font-size:13.5px;color:var(--gray);line-height:1.7}
.sec.dark .cap{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.12)}
.sec.dark .cap .ico{background:rgba(127,182,238,.16)}
.sec.dark .cap .ico svg{fill:#8fc3f5}
.sec.dark .cap p{color:#a9bdd3}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.flow::before{content:"";position:absolute;left:9%;right:9%;top:26px;height:1px;background:var(--line);z-index:0}
.sec.dark .flow::before{background:rgba(255,255,255,.16)}
.flow .step{position:relative;z-index:1;padding-right:18px}
.flow .num{width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--blue);margin-bottom:20px;font-variant-numeric:tabular-nums}
.sec.dark .flow .num{background:var(--navy);border-color:rgba(255,255,255,.2);color:#9cc6ef}
.flow b{display:block;font-size:15.5px;margin-bottom:6px;color:var(--ink)}
.sec.dark .flow b{color:#fff}
.flow span{font-size:13px;color:var(--gray);line-height:1.65;display:block}
.sec.dark .flow span{color:#a9bdd3}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene{display:flex;gap:18px;align-items:flex-start;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.2s}
.scene:hover{border-color:#cfe0f2;box-shadow:var(--shadow-sm)}
.scene .ico{width:48px;height:48px;flex:0 0 auto;border-radius:13px;background:var(--orange-l);display:flex;align-items:center;justify-content:center}
.scene .ico svg{width:24px;height:24px;fill:var(--orange)}
.scene h3{font-size:16.5px;margin-bottom:6px}
.scene p{font-size:13.5px;color:var(--gray);line-height:1.7}
.scene .models{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.scene .models span{font-size:11.5px;color:var(--blue);background:var(--blue-l);border-radius:5px;padding:3px 8px}

/* ---------- 资质 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cert{display:flex;gap:14px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.cert .ico{width:44px;height:44px;flex:0 0 auto;border-radius:50%;background:var(--bg-mute);display:flex;align-items:center;justify-content:center}
.cert .ico svg{width:21px;height:21px;fill:var(--blue)}
.cert b{display:block;font-size:14.5px}
.cert span{font-size:12.5px;color:var(--gray-l);line-height:1.5}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:22px 4px;font-size:16px;font-weight:650;color:var(--ink);transition:.2s}
.faq-q:hover{color:var(--blue)}
.faq-q .pm{flex:0 0 auto;width:24px;height:24px;position:relative}
.faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--gray);border-radius:2px;transition:.25s var(--ease)}
.faq-q .pm::before{left:3px;right:3px;top:11px;height:2px}
.faq-q .pm::after{top:3px;bottom:3px;left:11px;width:2px}
.faq-item.on .faq-q{color:var(--blue)}
.faq-item.on .pm::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a p{padding:0 40px 24px 4px;font-size:14.5px;color:var(--gray);line-height:1.85}
.faq-aside{background:var(--navy);border-radius:var(--radius-lg);padding:34px 30px;color:#dbe6f2;position:sticky;top:110px}
.faq-aside h3{color:#fff;font-size:20px;margin-bottom:10px}
.faq-aside p{font-size:13.5px;color:#a9bdd3;line-height:1.75;margin-bottom:20px}
.faq-aside .tel{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;color:#fff;margin-bottom:8px}
.faq-aside .tel svg{width:20px;height:20px;fill:#ffb37a}
.faq-aside .hint{font-size:12.5px;color:#8fa9c4}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;display:flex;flex-direction:column;transition:.22s}
.news:hover{border-color:#cfe0f2;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.news .date{font-size:12.5px;color:var(--gray-l);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.news h3{font-size:16.5px;line-height:1.5;margin:10px 0 10px}
.news p{font-size:13.5px;color:var(--gray);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news .go{margin-top:auto;padding-top:18px;font-size:13px;font-weight:650;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.news .go svg{width:13px;height:13px;fill:currentColor;transition:.2s}
.news:hover .go svg{transform:translateX(3px)}

/* ---------- CTA ---------- */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy) 0%,#0e3459 52%,#123f6c 100%);color:#dbe6f2;border-radius:0}
.cta::before{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(242,112,15,.22),rgba(242,112,15,0) 62%)}
.cta .container{position:relative;display:grid;grid-template-columns:1fr 460px;gap:56px;align-items:center;padding:72px 32px}
.cta h2{font-size:clamp(24px,2.7vw,34px);color:#fff;letter-spacing:-.025em}
.cta p{color:#a9bdd3;font-size:15px;margin-top:12px;max-width:440px}
.cta .tel-row{display:flex;align-items:center;gap:14px;margin-top:28px}
.cta .tel-row .ico{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center}
.cta .tel-row .ico svg{width:22px;height:22px;fill:#ffb37a}
.cta .tel-row b{font-size:24px;color:#fff;letter-spacing:.01em;font-variant-numeric:tabular-nums}
.cta .tel-row span{display:block;font-size:12.5px;color:#8fa9c4}
.form{background:#fff;border-radius:18px;padding:28px;box-shadow:var(--shadow-lg)}
.form h3{font-size:17px;margin-bottom:4px}
.form .tip{font-size:12.5px;color:var(--gray-l);margin-bottom:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.field{width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;color:var(--text);transition:.18s;margin-bottom:12px;font-family:inherit}
.field::placeholder{color:#98a5b5}
.field:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(20,88,158,.1)}
textarea.field{min-height:96px;resize:vertical}
select.field{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235c6b7f' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form .ok{display:none;font-size:13px;color:#1a7f4b;background:#eaf7f0;border:1px solid #cdebd9;border-radius:8px;padding:10px 12px;margin-top:10px}
.form.done .ok{display:block}

/* ---------- 产品中心 ---------- */
.page-hero{background:linear-gradient(180deg,#f7f9fc,#fff);border-bottom:1px solid var(--line-2);padding:56px 0 48px}
.page-hero h1{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.03em}
.page-hero p{color:var(--gray);font-size:15.5px;margin-top:10px}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--gray-l);padding:18px 32px 0;flex-wrap:wrap}
.crumb a:hover{color:var(--blue)}
.crumb span{color:var(--text)}
.crumb i{font-style:normal;opacity:.5}

.catalog{display:grid;grid-template-columns:236px minmax(0,1fr);gap:44px;align-items:start}
.side{position:sticky;top:104px;min-width:0;max-width:100%}
.side h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gray-l);margin-bottom:14px}
.side nav{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line-2)}
.side nav a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 0 10px 16px;margin-left:-2px;border-left:2px solid transparent;font-size:14px;color:var(--gray);transition:.18s}
.side nav a:hover{color:var(--blue)}
.side nav a.on{color:var(--blue);font-weight:650;border-left-color:var(--orange)}
.side nav a em{font-style:normal;font-size:12px;color:var(--gray-l);font-variant-numeric:tabular-nums}
.side .side-cta{margin-top:26px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.side .side-cta b{display:block;font-size:14px;margin-bottom:6px}
.side .side-cta p{font-size:12.5px;color:var(--gray);line-height:1.65;margin-bottom:14px}
.cat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:26px}
.cat-head h2{font-size:22px}
.cat-head span{font-size:13px;color:var(--gray-l)}

/* ---------- 产品详情 ---------- */
.detail{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:start}
.dmedia{position:sticky;top:104px}
.dmedia .main{background:linear-gradient(170deg,#f8fafc,#eef2f8);border:1px solid var(--line);border-radius:var(--radius-lg);aspect-ratio:1/1.05;display:flex;align-items:center;justify-content:center;padding:26px;overflow:hidden}
.dmedia .main img{max-height:100%;max-width:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.dmedia .thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.dmedia .thumbs img{width:76px;height:76px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px;cursor:pointer;transition:.18s}
.dmedia .thumbs img.on,.dmedia .thumbs img:hover{border-color:var(--blue);box-shadow:0 0 0 2px rgba(20,88,158,.12)}
.dinfo .model{font-size:12.5px;font-weight:750;letter-spacing:.16em;color:var(--orange)}
.dinfo h1{font-size:clamp(26px,3vw,36px);margin:10px 0 10px;letter-spacing:-.03em}
.dinfo .lead{font-size:15.5px;color:var(--gray);line-height:1.8}
.dinfo .chips{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0 26px}
.dinfo .chips span{font-size:12.5px;color:var(--navy);background:var(--blue-l);border-radius:6px;padding:5px 10px;font-weight:600}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:26px}
.kv div{background:#fff;padding:14px 16px}
.kv b{display:block;font-size:11.5px;color:var(--gray-l);font-weight:600;letter-spacing:.04em;margin-bottom:3px}
.kv span{font-size:14px;color:var(--ink);font-weight:600}
.dact{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.dnote{font-size:12.5px;color:var(--gray-l);line-height:1.7}
.dsec{margin-top:30px;border-top:1px solid var(--line-2);padding-top:26px}
.dsec h2{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.dsec h2::before{content:"";width:3px;height:16px;background:var(--orange);border-radius:2px}
.spec-table tr{border-bottom:1px solid var(--line-2)}
.spec-table td{padding:11px 0;font-size:14px;vertical-align:top}
.spec-table td:first-child{width:112px;color:var(--gray-l);font-size:13px}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.feat li{font-size:13.8px;color:var(--gray);display:flex;gap:8px;align-items:flex-start}
.feat li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);margin-top:8px;flex:0 0 auto}
.cmp-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cmp-table th{background:var(--bg-soft);font-size:13px;color:var(--gray);text-align:left;padding:14px 18px;font-weight:650;border-bottom:1px solid var(--line)}
.cmp-table td{padding:15px 18px;font-size:14px;border-bottom:1px solid var(--line-2)}
.cmp-table tr:last-child td{border-bottom:0}
.cmp-table td:first-child{font-weight:650;color:var(--ink)}
.cmp-table td:last-child{color:var(--blue);font-weight:650;white-space:nowrap}

.spec-pages{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.spec-pages img{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:#fff}

/* ---------- 关于 / 内容页 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-art{position:relative}
.about-art .panel{border-radius:var(--radius-lg);background:linear-gradient(160deg,var(--navy),#12406d);aspect-ratio:1/.92;display:flex;flex-direction:column;justify-content:flex-end;padding:34px;color:#dbe6f2;position:relative;overflow:hidden}
.about-art .panel::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(242,112,15,.26),transparent 65%)}
.about-art .panel .mark{position:absolute;left:34px;top:30px;opacity:.16}
.about-art .panel .mark svg{width:96px;height:96px;fill:#fff}
.about-art .panel b{position:relative;font-size:22px;color:#fff;display:block;margin-bottom:8px}
.about-art .panel p{position:relative;font-size:13.5px;color:#a9bdd3;line-height:1.8}
.about-art .badge{position:absolute;right:-18px;bottom:34px;background:#fff;border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-md);border:1px solid var(--line-2)}
.about-art .badge b{display:block;font-size:15px;color:var(--navy)}
.about-art .badge span{font-size:12px;color:var(--gray-l)}
.prose h2{font-size:24px;margin:38px 0 14px;display:flex;align-items:center;gap:10px}
.prose h2::before{content:"";width:3px;height:20px;background:var(--orange);border-radius:2px}
.prose h2:first-child{margin-top:0}
.prose p{font-size:15px;color:var(--gray);line-height:1.9;margin-bottom:12px}
.prose p b{color:var(--ink)}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 520px;gap:56px;align-items:start}
.info-card{border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;background:#fff}
.info-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line-2)}
.info-item:last-child{border-bottom:0;padding-bottom:0}
.info-item .ico{width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:var(--blue-l);display:flex;align-items:center;justify-content:center}
.info-item .ico svg{width:20px;height:20px;fill:var(--blue)}
.info-item b{display:block;font-size:12.5px;color:var(--gray-l);font-weight:600;margin-bottom:3px}
.info-item span,.info-item a{font-size:15px;color:var(--ink);font-weight:600}
.info-item a:hover{color:var(--blue)}
.qr-box{display:flex;gap:16px;align-items:center;background:var(--bg-soft);border-radius:var(--radius);padding:18px;margin-top:22px}
.qr-box .qr{width:92px;height:92px;flex:0 0 auto;border-radius:10px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-box .qr svg{width:40px;height:40px;fill:var(--gray-l)}
.qr-box .qr img{width:100%;height:100%;object-fit:cover;display:block}
.qr-box b{display:block;font-size:14px;margin-bottom:4px}
.qr-box p{font-size:12.5px;color:var(--gray);line-height:1.65}

/* ---------- 资讯列表 ---------- */
.news-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.news-row{display:grid;grid-template-columns:120px 1fr 90px;gap:28px;align-items:start;padding:28px 4px;border-bottom:1px solid var(--line);transition:.2s}
.news-row:hover{background:#fbfcfe}
.news-row .d{font-size:13px;color:var(--gray-l);font-variant-numeric:tabular-nums}
.news-row h3{font-size:17px;margin-bottom:6px}
.news-row p{font-size:13.8px;color:var(--gray);line-height:1.75}
.news-row .go{font-size:13px;color:var(--blue);font-weight:650;text-align:right;padding-top:4px}

/* ---------- 页脚 ---------- */
.footer{background:#08182a;color:#93a8bf;padding:66px 0 0;font-size:13.5px}
.footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px;padding-bottom:48px}
.footer .logo-w img{height:38px;margin-bottom:18px}
.footer p{line-height:1.85;font-size:13px}
.footer h4{color:#fff;font-size:14px;margin-bottom:18px;font-weight:650;letter-spacing:.02em}
.footer ul li{margin-bottom:10px}
.footer ul a{color:#93a8bf;transition:.18s}
.footer ul a:hover{color:#fff}
.footer .tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.footer .tags span{font-size:11.5px;border:1px solid rgba(255,255,255,.14);border-radius:5px;padding:3px 8px;color:#a9bdd3}
.footer .ct li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer .ct svg{width:15px;height:15px;fill:#6f8aa8;flex:0 0 auto;margin-top:4px}
.footer .ct a{color:#dbe6f2}
.footer .ct a:hover{color:#fff}
.bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;font-size:12.5px;color:#6f8aa8}
.bottom .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.bottom a{color:#93a8bf}
.bottom a:hover{color:#fff}

/* ---------- 浮动联系 ---------- */
.float{position:fixed;right:20px;bottom:26px;z-index:110;display:flex;flex-direction:column;gap:10px}
.float a{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);transition:.2s;position:relative}
.float a:hover{transform:translateY(-2px)}
.float svg{width:22px;height:22px;fill:var(--blue)}
.float .tel{background:var(--orange);border-color:var(--orange)}
.float .tel svg{fill:#fff}
.float .tip{position:absolute;right:60px;top:50%;transform:translateY(-50%) scale(.96);background:var(--ink);color:#fff;font-size:12px;padding:6px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.float a:hover .tip{opacity:1;transform:translateY(-50%) scale(1)}
.wxpop{position:fixed;right:84px;bottom:26px;z-index:110;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow-lg);display:none;text-align:center;width:180px}
.wxpop.on{display:block}
.wxpop .qr{width:148px;height:148px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:8px;overflow:hidden}
.wxpop .qr svg{width:56px;height:56px;fill:var(--gray-l)}
.wxpop .qr img{width:100%;height:100%;object-fit:cover;display:block}
.wxpop span{font-size:11.5px;color:var(--gray-l);line-height:1.5;display:block}
.totop{position:fixed;right:20px;bottom:26px;z-index:105;display:none}

/* ---------- 动效 ---------- */
html.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rv{opacity:1;transform:none}
html.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}.hero-panel img{transition:none}}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .container{padding:0 24px}
  .nav li>a{padding:10px 10px;font-size:14.5px}
  .hdr-in{gap:24px}
  .hdr-tel{display:none}
  .sub{width:480px}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .hero-grid{gap:36px}
}
@media(max-width:1024px){
  .sec{padding:76px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:56px 0 64px}
  .hero-visual{max-width:520px;margin:0 auto;width:100%}
  .hero-float{right:0}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cat-bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px}
  .cat-card.big{grid-column:span 2;grid-row:span 1}
  .cat-card.big .img{padding:20px 20px 96px}
  .cat-card.big h3{font-size:21px}
  .flow{grid-template-columns:repeat(3,1fr);row-gap:32px}
  .flow::before{display:none}
  .faq{grid-template-columns:minmax(0,1fr)}
  .faq-aside{position:static}
  .detail{grid-template-columns:minmax(0,1fr);gap:40px}
  .dmedia{position:static}
  .catalog{grid-template-columns:minmax(0,1fr);gap:28px}
  .side{position:static;min-width:0;max-width:100%}
  .side nav{flex-direction:row;overflow-x:auto;max-width:100%;border-left:0;border-bottom:2px solid var(--line-2);gap:0;padding-bottom:0}
  .side nav a{border-left:0;border-bottom:2px solid transparent;margin:0;padding:10px 16px;white-space:nowrap}
  .side nav a.on{border-left:0;border-bottom-color:var(--orange)}
  .side .side-cta{display:none}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:40px}
  .cta .container{grid-template-columns:1fr;gap:36px;padding:56px 24px}
  .footer .cols{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:860px){
  .topline .l{display:none}
  .topline .container{justify-content:center;height:auto;padding:9px 0}
  /* backdrop-filter 会把 fixed 抽屉的定位基准改成头部，导致菜单被裁掉，移动端必须去掉 */
  .hdr{backdrop-filter:none;background:#fff}
  .hdr-in{height:64px}
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:82px 20px 30px;transform:translateX(100%);transition:transform .3s var(--ease);
    box-shadow:-20px 0 60px rgba(11,26,43,.2);overflow-y:auto;z-index:130;
  }
  .nav.open{transform:none}
  .nav li>a{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--line-2);border-radius:0}
  .nav>li>a.on{background:none}
  .sub{position:static;transform:none;width:auto;box-shadow:none;border:0;padding:4px 0 10px;grid-template-columns:1fr;opacity:1;visibility:visible;display:none}
  .nav li.open .sub{display:grid}
  .hdr-act .btn{display:none}
  .burger{display:flex}
  .pgrid,.pgrid.three{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .spec-pages{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px}
  .trustbar .container{grid-template-columns:1fr 1fr}
  .trust-item{padding:20px 18px;border-bottom:1px solid var(--line-2)}
  .trust-item:nth-child(2n){border-right:0}
  .trust-item:first-child{padding-left:18px}
  .news-row{grid-template-columns:1fr;gap:8px}
  .news-row .go{text-align:left}
  .kv{grid-template-columns:1fr}
}
@media(max-width:620px){
  .container{padding:0 18px}
  .sec{padding:56px 0}
  .hero-cta .btn{flex:1}
  .hero-stats{gap:22px;margin-top:34px}
  .hero-stats b{font-size:26px}
  .pgrid,.pgrid.three{grid-template-columns:1fr}
  .cap-grid,.stats,.cert-grid{grid-template-columns:1fr}
  .cat-bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .cat-card{min-height:210px}
  .cat-card.big{grid-column:span 1;min-height:280px}
  .flow{grid-template-columns:1fr 1fr}
  .footer .cols{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .float{right:14px;bottom:16px}
  .float a{width:44px;height:44px}
  .float .tip{display:none}
  .float .msg{display:none}
  .hero-float{display:none}
}

/* ---------- v2 补充 ---------- */
.sec-head h2 i, .page-hero h1 i {font-style:normal;color:var(--blue)}
.sec.dark .sec-head h2 i{color:#7fb6ee}
.cat-block + .cat-block{margin-top:64px}
.catalog .pgrid{gap:18px}
.detail-wrap{padding:36px 0 0}
.dinfo h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.03em;margin:8px 0 10px}
@media(max-width:860px){.cat-block + .cat-block{margin-top:44px}}

/* 调试：?noanim 关闭动画与平滑滚动 */
html.noanim{scroll-behavior:auto}
.noanim .rv{opacity:1 !important;transform:none !important;transition:none !important}

/* ---------- 工厂实况数据条 ---------- */
.facts{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.fact{background:#fff;padding:26px 18px;text-align:center}
.fact b{display:block;font-size:clamp(18px,1.8vw,24px);letter-spacing:-.02em;color:var(--navy);font-weight:800}
.fact span{display:block;margin-top:8px;font-size:12.5px;color:var(--gray);line-height:1.5}
.fact em{display:block;font-style:normal;font-size:11px;color:var(--gray-l);margin-top:2px}

/* ---------- 中英双语公司简介 ---------- */
.i18n{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.lang{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.lang h3{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.lang p{font-size:14px;line-height:1.9;color:var(--ink-2)}
@media(max-width:1000px){.facts{grid-template-columns:repeat(3,1fr)}.i18n{grid-template-columns:1fr}}
@media(max-width:560px){.facts{grid-template-columns:repeat(2,1fr)}}

/* 防止屏幕外抽屉菜单撑出横向滚动 */
html{overflow-x:clip}
@supports not (overflow:clip){html,body{overflow-x:hidden}}

/* ---------- 语言切换 / 英文版 ---------- */
.lang-sw{
  display:inline-flex;align-items:center;justify-content:center;
  height:32px;padding:0 10px;border:1px solid var(--line);border-radius:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--gray);
  transition:.18s;flex:0 0 auto;
}
.lang-sw:hover{border-color:var(--navy);color:var(--navy);background:var(--bg-soft)}
.bottom .en-link{font-size:12.5px}
@media(max-width:760px){.lang-sw{height:30px;padding:0 8px;font-size:12px}}

/* 英文长词不撑破容器 */
.en-page h1,.en-page h2,.en-page h3{word-break:break-word;overflow-wrap:anywhere}
.en-page .lead{max-width:64ch}
.en-hero{padding:96px 0 72px;background:linear-gradient(180deg,#f6f8fb 0%,#fff 100%);border-bottom:1px solid var(--line)}
.en-hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.en-hero h1{font-size:clamp(30px,3.6vw,48px);line-height:1.14;letter-spacing:-.035em}
.en-hero .kicker{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:16px}
.en-hero p.lead{font-size:16.5px;line-height:1.8;color:var(--gray);margin-top:20px}
.en-hero .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.en-hero .shot{border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow-md)}
.en-hero .shot img{width:100%;height:440px;object-fit:contain}
.en-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:44px}
.en-stats div{background:#fff;padding:22px 18px;text-align:center}
.en-stats b{display:block;font-size:22px;color:var(--navy);font-weight:800}
.en-stats span{display:block;margin-top:6px;font-size:12px;color:var(--gray);letter-spacing:.04em;text-transform:uppercase}
.en-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.en-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.en-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.en-card h3{font-size:17px;margin-bottom:8px}
.en-card p{font-size:13.5px;color:var(--gray);line-height:1.75}
.en-card .n{font-size:12px;font-weight:700;color:var(--orange);letter-spacing:.1em;margin-bottom:10px;display:block}
.en-models{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.en-model{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.en-model .ph{height:210px;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-2)}
.en-model .ph img{max-height:190px;width:auto;object-fit:contain}
.en-model .tx{padding:14px 16px 18px}
.en-model b{display:block;font-size:15px;color:var(--ink)}
.en-model span{display:block;font-size:12.5px;color:var(--gray);margin-top:5px;line-height:1.6}
.en-copy p{font-size:15px;line-height:1.9;color:var(--ink-2);max-width:78ch}
.en-copy p+p{margin-top:16px}
@media(max-width:1000px){
  .en-hero .grid{grid-template-columns:1fr;gap:36px}
  .en-hero .shot img{height:320px}
  .en-grid{grid-template-columns:1fr 1fr}
  .en-models{grid-template-columns:1fr 1fr}
  .en-stats{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){.en-grid{grid-template-columns:1fr}.en-models{grid-template-columns:1fr 1fr}}

/* 下拉菜单底部"查看全部"行：约束箭头尺寸，防止 SVG 默认撑满 */
.sub a.all{grid-column:1/-1;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:10px;margin-top:8px;padding:13px 14px;background:var(--bg-soft);border-radius:10px}
.sub a.all:hover{background:var(--blue-l)}
.sub a.all span{font-size:13.5px;font-weight:700;color:var(--navy)}
.sub a.all svg{width:15px;height:15px;fill:currentColor;flex:0 0 auto;transition:transform .2s}
.sub a.all:hover svg{transform:translateX(3px)}