/* W&E GROUP — shared stylesheet (extracted from the single-page build) */
:root{
  --paper:#ffffff;
  --mist:#f2f4f5;
  --ink:#141b22;
  --steel:#5b6570;
  --line:#dfe4e8;
  /* 红色信号色：CTA / 数字 / hover / 标题关键词 / 序号 / logo 点睛（黑红工业体系） */
  --signal:#d2232a;
  --signal-dark:#a91c22;
  --coal:#12181f;
  --coal-soft:#1b232c;
  --coal-line:#2a3540;
  --white:#ffffff;
  /* 纯系统字体栈：不依赖任何第三方字体 CDN，国内外加载一致；含阿拉伯语回退 */
  --font-system:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Arabic","PingFang SC","Microsoft YaHei",sans-serif;
  --font-display:var(--font-system);
  --font-body:var(--font-system);
  --container:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:74px}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
body[dir="rtl"]{text-align:right}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section.alt{background:var(--mist)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.05;letter-spacing:.01em}
h2{font-size:clamp(34px,4.4vw,52px);margin-bottom:18px}
.lead{font-size:18px;color:var(--steel);max-width:62ch}
.eyebrow{font-family:var(--font-display);font-size:15px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--signal);margin-bottom:14px}
.section-head{margin-bottom:46px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 28px;font-family:var(--font-display);font-size:19px;font-weight:600;letter-spacing:.03em;border:1.5px solid transparent;cursor:pointer;transition:background .18s,border-color .18s,color .18s;white-space:nowrap}
.btn-solid{background:var(--signal);color:var(--white)}
.btn-solid:hover{background:var(--signal-dark)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:var(--white)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--white)}
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.nav.scrolled{box-shadow:0 6px 24px rgba(16,23,30,.08)}
.nav-inner{max-width:var(--container);margin:0 auto;padding:0 24px;height:70px;display:flex;align-items:center;justify-content:space-between;gap:22px}
/* 官方 W&E Elevator 字标（图片），nav 白底 / footer 深底通用 */
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{height:38px;width:auto;display:block}
.footer .brand-logo{background:#fff;padding:8px 14px;border-radius:6px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-weight:500;font-size:15.5px;transition:color .15s}
.nav-links a:hover{color:var(--signal)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:4px;align-items:center}
.lang button{border:1px solid var(--line);background:#fff;padding:5px 9px;cursor:pointer;font-size:12.5px;font-weight:600;color:var(--steel);font-family:var(--font-body);transition:.15s}
.lang button.active{background:var(--coal);color:#fff;border-color:var(--coal)}
.nav-cta{background:var(--signal);color:#fff;padding:10px 20px;font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:.02em;transition:background .18s}
.nav-cta:hover{background:var(--signal-dark)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:24px;height:2px;background:var(--ink)}
@media(max-width:980px){
  .nav-links{position:fixed;top:70px;inset-inline:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);transform:translateY(-130%);visibility:hidden;pointer-events:none;transition:transform .25s,visibility .25s}
  .nav-links.open{transform:translateY(0);visibility:visible;pointer-events:auto}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-cta{display:none}
  .nav-burger{display:flex}
}
.hero{position:relative;min-height:88vh;display:flex;align-items:flex-end;color:var(--white);overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,22,.45) 0%,rgba(13,17,22,.62) 55%,rgba(13,17,22,.86) 100%)}
.hero .container{position:relative;z-index:1;width:100%}
.hero-content{padding:120px 0 150px}
.hero-meta{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.85);margin-bottom:20px}
.hero h1{font-size:clamp(42px,7vw,86px);font-weight:700;text-transform:uppercase;max-width:20ch;margin-bottom:22px}
.hero h1 .accent{color:var(--signal)}
.hero-sub{font-size:clamp(16px,1.6vw,19px);max-width:58ch;color:rgba(255,255,255,.92);margin-bottom:36px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:16px}
.hero-stats{position:relative;z-index:2;margin-top:-70px}
.stats-bar{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 24px;border-inline-end:1px solid var(--line)}
.stat:last-child{border-inline-end:0}
.stat-num{font-family:var(--font-display);font-size:44px;font-weight:700;line-height:1;color:var(--ink)}
.stat-num em{font-style:normal;color:var(--signal)}
.stat-num.small{font-size:25px;letter-spacing:.02em;padding-top:11px}
.stat-label{font-size:12.5px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-top:8px}
@media(max-width:760px){
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-inline-end:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .hero{min-height:80vh}
  .hero-content{padding:96px 0 130px}
}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.about-copy h2{font-size:clamp(30px,3.4vw,42px)}
.about-copy p{color:var(--steel);font-size:16px;margin-bottom:16px}
.facts-title{font-size:19px;margin:8px 0 14px}
.facts{display:grid;gap:12px}
.facts li{display:flex;gap:11px;font-size:14.5px}
.facts svg{width:19px;height:19px;stroke:var(--signal);fill:none;flex:none;margin-top:2px}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:30px}}
.unit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:64px}
.unit-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--coal);display:flex;flex-direction:column;overflow:hidden;transition:transform .22s,box-shadow .22s}
.unit-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(16,23,30,.13)}
.u-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--mist)}
.u-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.unit-card:hover .u-img img{transform:scale(1.05)}
.u-cap{position:absolute;inset-inline:0;bottom:0;padding:26px 16px 11px;font-size:11.5px;line-height:1.4;color:rgba(255,255,255,.9);background:linear-gradient(180deg,transparent,rgba(12,16,20,.82))}
.u-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.u-kicker{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);display:block;margin-bottom:8px}
.unit-card h3{font-size:26px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.u-series{list-style:none;margin:14px 0 0;padding:0}
.u-series li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line)}
.u-series li:last-child{border-bottom:0}
.u-series b{font-size:13.5px;font-weight:700;color:var(--coal)}
.u-series span{font-size:12.5px;color:var(--steel);white-space:nowrap}
.u-series span.ss-right{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:baseline;gap:4px 9px}
.u-series em.ss-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-style:normal;font-size:11.5px;font-weight:700;letter-spacing:.05em;color:var(--signal);white-space:nowrap}
.unit-card p{font-size:14.5px;color:var(--steel);line-height:1.6}
.u-models{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.u-model{font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.04em;background:var(--coal);color:#fff;padding:5px 11px}
.u-specs{margin-top:auto;border-top:1px solid var(--line);padding-top:10px}
.u-specs li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px}
.u-specs li:last-child{border-bottom:0}
.u-specs li span{color:var(--steel)}
.u-specs li b{font-weight:700;font-size:13.5px;color:var(--ink)}
.sub-head{margin:10px 0 28px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.sub-head h3{font-size:20px;font-weight:700;margin-bottom:6px}
.sub-head h4{font-size:20px;font-weight:700;margin-bottom:6px}
.sub-head p{font-size:14.5px;color:var(--steel);max-width:60ch}
@media(max-width:900px){.unit-grid{grid-template-columns:1fr}}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.product-card{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.product-card:hover{border-color:var(--signal);transform:translateY(-3px)}
.p-img{overflow:hidden;aspect-ratio:16/9}
.p-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .p-img img{transform:scale(1.04)}
.p-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.p-body h3{margin-bottom:10px}
.p-list li{padding:8px 0;border-bottom:1px dashed var(--line);color:var(--steel);font-size:14.5px;display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.p-list li:last-child{border-bottom:0}
.p-code{font-size:10.5px;font-weight:700;letter-spacing:.09em;color:var(--steel);opacity:.62;white-space:nowrap;font-variant-numeric:tabular-nums}
/* ---- Elevator functions ---- */
.fn-block{margin-top:0;padding-top:34px;border-top:1px solid var(--line)}
.fn-cols{display:grid;grid-template-columns:1fr;gap:22px}
.fn-list.fn-2col{column-count:2;column-gap:34px}
.fn-list.fn-3col{column-count:3;column-gap:26px}
.fn-list li{break-inside:avoid}
.fn-col{background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink);padding:22px 24px 18px}
.fn-lbl{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding-bottom:12px;margin-bottom:4px;border-bottom:1px solid var(--line)}
.fn-lbl b{font-family:var(--font-display);font-size:15.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.fn-lbl span{font-size:11.5px;color:#8a949e;letter-spacing:.04em;white-space:nowrap}
.fn-list{list-style:none;margin:0;padding:0}
.fn-list li{padding:11px 0;border-bottom:1px dashed var(--line)}
.fn-list li:last-child{border-bottom:0;padding-bottom:2px}
.fn-list b{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:3px}
.fn-list span{display:block;font-size:13px;line-height:1.52;color:var(--steel)}
/* ---- Cabin & finish options ---- */
.cab-block{margin-top:44px;padding-top:34px;border-top:1px solid var(--line)}
.cab-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.cab{margin:0;background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .2s,box-shadow .2s}
.cab:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.08)}
.cab img{width:100%;aspect-ratio:3/4.3;object-fit:cover;display:block;background:#eef0f1}
.cab figcaption{padding:9px 10px 12px;display:flex;flex-direction:column;gap:5px}
.cab figcaption .p-code{opacity:1;color:var(--signal)}
.cab figcaption span{font-size:11.5px;line-height:1.44;color:var(--steel)}
/* ---- 装潢选项（轿顶 / 扶手 / 地板 / 观光梯） ---- */
.dc-group{margin-top:34px}
.dc-lbl{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.dc-lbl b{font-size:14px;font-weight:700;color:var(--ink)}
.dc-lbl span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#8a949e}
.dc-tile{margin:0;background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .2s,box-shadow .2s}
.dc-tile:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.08)}
.dc-tile img{width:100%;display:block;background:#eef0f1}
.dc-tile figcaption{padding:9px 10px 12px;display:flex;flex-direction:column;gap:5px}
.dc-tile figcaption .p-code{opacity:1;color:var(--signal)}
.dc-tile figcaption span{font-size:11.5px;line-height:1.44;color:var(--steel)}
.dc-obs{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.dc-obs .dc-tile img{aspect-ratio:3/4.3;object-fit:contain;background:#efefef}
.dc-ceil{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.dc-ceil .dc-tile img{aspect-ratio:2.76;object-fit:cover}
.dc-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.dc-rail .dc-tile img{aspect-ratio:3.4;object-fit:contain;background:#fff}
.dc-floor{display:grid;grid-template-columns:repeat(10,1fr);gap:8px}
.dc-floor .dc-tile img{aspect-ratio:1;object-fit:cover}
.dc-floor .dc-tile figcaption{padding:5px 0 7px;text-align:center}
.dc-floor .dc-tile figcaption .p-code{font-size:9px;letter-spacing:.02em;color:var(--steel)}
@media(max-width:1000px){.dc-obs{grid-template-columns:repeat(3,1fr)}.dc-ceil{grid-template-columns:repeat(2,1fr)}
.dc-rail{grid-template-columns:repeat(2,1fr)}.dc-floor{grid-template-columns:repeat(5,1fr)}}
@media(max-width:820px){.dc-obs{grid-template-columns:repeat(2,1fr)}.dc-rail{grid-template-columns:1fr}.dc-floor{grid-template-columns:repeat(4,1fr)}}
@media(max-width:560px){.dc-ceil{grid-template-columns:1fr}.dc-floor{grid-template-columns:repeat(3,1fr)}}
/* ---- Landing door devices ---- */
.doorx{margin-top:38px;padding-top:30px;border-top:1px solid var(--line)}
.dl-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
.dl-list li{display:flex;gap:16px;align-items:baseline;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;line-height:1.5;color:var(--steel)}
.dl-list li .p-code{flex:0 0 auto;min-width:68px;opacity:1;color:var(--signal);font-size:11px}
@media(max-width:1000px){.cab-grid{grid-template-columns:repeat(3,1fr)}.fn-list.fn-3col{column-count:2}}
@media(max-width:820px){.fn-cols,.dl-list{grid-template-columns:1fr}.fn-list.fn-2col,.fn-list.fn-3col{column-count:1}.cab-grid{grid-template-columns:repeat(2,1fr)}.cab img{aspect-ratio:3/4}}

@media(max-width:820px){.product-grid{grid-template-columns:1fr}}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:3px solid var(--ink);border-inline-start:1px solid var(--line);background:#fff}
.m-cell{border-inline-end:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 20px;min-height:168px;display:flex;flex-direction:column;gap:8px;transition:background .18s}
.m-cell:hover{background:var(--mist)}
.m-model{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;font-weight:700;color:var(--signal);letter-spacing:.05em}
.m-name{font-family:var(--font-display);font-size:21px;font-weight:600;line-height:1.15}
.m-desc{font-size:12.5px;color:var(--steel);line-height:1.5}
.m-specs{margin-top:auto;padding-top:6px}
.m-specs li{padding:5px 0;border-top:1px dashed var(--line)}
.m-specs li span{display:block;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--steel)}
.m-specs li b{display:block;font-size:14.5px;font-weight:600;color:var(--ink)}
@media(max-width:1000px){.matrix-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.matrix-grid{grid-template-columns:1fr}}
/* ===== 副线区（配件 / 门机）：视觉降级，让整机保持主角地位 ===== */
.sec-dim{margin-top:76px;padding-top:46px;border-top:3px solid var(--line)}
.sec-dim .sub-head{border-bottom:0;margin:0 0 24px;padding-bottom:0}
.sec-dim .sub-head h3{font-size:17px;font-weight:700;color:var(--steel);letter-spacing:.02em;margin-bottom:6px}
.sec-dim .sub-head h4{font-size:17px;font-weight:700;color:var(--steel);letter-spacing:.02em;margin-bottom:6px}
.sec-dim .sub-head p{font-size:13.5px;color:var(--steel);max-width:66ch}
.sec-dim .eyebrow{font-size:11px;letter-spacing:.16em;color:#8a949e;margin-bottom:8px}
.sec-dim .product-card{border-color:var(--line);background:rgba(255,255,255,.6)}
.sec-dim .product-card:hover{border-color:var(--line);transform:none;box-shadow:none}
.sec-dim .product-card h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.sec-dim .p-body{padding:22px 24px 24px}
.sec-dim .p-list li{font-size:13px;padding:6px 0}
.sec-dim .p-tags{margin-top:14px}
.sec-dim .tag{font-size:11px;padding:4px 9px;background:#fff;color:var(--steel)}
.p-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:22px 0 8px}
.p-gallery img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:3px;background:#eef0f1;display:block}
.p-gallery figcaption{grid-column:1/-1;font-size:11px;color:#8a949e;margin-top:6px}
.p-gallery.esc-hero{grid-template-columns:1fr;gap:12px;margin:22px 0 8px}
.p-gallery.esc-hero img{aspect-ratio:4/3}
.cat-sub{margin:24px 0 10px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel)}
.esc-list li.esc-item{padding:11px 0}
.sec-dim .matrix-grid{border-top:2px solid var(--steel)}
.sec-dim .m-cell{min-height:0;padding:18px 18px;gap:6px}
.sec-dim .m-model{font-size:12px}
.sec-dim .m-name{font-size:16px;font-weight:700}
.sec-dim .m-desc{font-size:12px}
.sec-dim .part .ph{background:var(--steel);font-size:14px;letter-spacing:.08em;padding:12px 20px}
.sec-dim .part li{font-size:13px;padding:6px 0}
.sec-dim .cert-note-light{background:#fff;border-inline-start:3px solid var(--line);font-size:13.5px}
.dop-block{margin-top:48px;padding-top:40px;border-top:1px solid var(--line)}
.part{border:1px solid var(--line);background:#fff;overflow:hidden}
.part .ph{padding:15px 22px;background:var(--coal);color:#fff;font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.part .pb{padding:18px 22px}
.part li{padding:8px 0;border-bottom:1px dashed var(--line);color:var(--steel);font-size:14.5px}
.part li:last-child{border-bottom:0}
.part li::before{content:"—";color:var(--signal);margin-inline-end:8px}
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec td{padding:9px 0;border-bottom:1px dashed var(--line);vertical-align:top}
.spec tr td:first-child{color:var(--steel);width:46%}
.spec tr td:last-child{color:var(--ink);font-weight:600}
.cert-note-light{margin-top:26px;background:var(--mist);border-inline-start:3px solid var(--signal);padding:16px 20px;font-size:14.5px;color:var(--steel)}
.cert-note-light b{color:var(--ink)}
@media(max-width:900px){.part-block{grid-template-columns:1fr}}
.certs{background:var(--coal);color:var(--white)}
.certs h2{color:var(--white);font-size:clamp(32px,3.8vw,46px)}
.certs .lead{color:rgba(255,255,255,.72)}
.certs-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.certs-standards{margin-top:24px;font-size:15px;color:rgba(255,255,255,.7)}
.checks{margin-top:28px;display:grid;gap:14px}
.checks li{display:flex;gap:12px;font-size:15.5px;color:rgba(255,255,255,.85)}
.checks svg{width:20px;height:20px;stroke:var(--signal);fill:none;flex:none;margin-top:3px}
.cert-plates{display:grid;gap:14px}
.plate{border:1px solid var(--coal-line);background:var(--coal-soft);padding:18px 22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.plate.hot{border-color:rgba(210,35,42,.55)}
.plate-mark{font-family:var(--font-display);font-size:27px;font-weight:700;letter-spacing:.04em;color:#fff;min-width:130px}
.plate-desc{font-size:14px;color:rgba(255,255,255,.68)}
.certs .cert-note{margin-top:22px;border-inline-start:3px solid var(--signal);padding:4px 0 4px 16px;font-size:13.5px;color:rgba(255,255,255,.6)}
.certs .cert-note b{color:#fff}
@media(max-width:900px){.certs-grid{grid-template-columns:1fr;gap:34px}}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-inline-start:1px solid var(--line)}
.feat{border-inline-end:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 26px;background:#fff}
.feat svg{width:32px;height:32px;stroke:var(--signal);fill:none;margin-bottom:16px}
.feat h3{font-size:21px;margin-bottom:8px}
.feat p{font-size:14.5px;color:var(--steel)}
@media(max-width:980px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.feat-grid{grid-template-columns:1fr}}
.steps-title{font-size:clamp(28px,3.2vw,38px);margin-bottom:26px}
.steps-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:3px solid var(--ink)}
.step{padding:26px 26px 0;border-inline-end:1px solid var(--line)}
.step:last-child{border-inline-end:0}
.step-num{font-family:var(--font-display);font-size:30px;font-weight:700;color:var(--signal);display:block;margin-bottom:10px}
.step h4{font-size:20px;margin-bottom:8px}
.step p{font-size:14px;color:var(--steel)}
@media(max-width:900px){.steps-row{grid-template-columns:repeat(2,1fr)}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:560px){.steps-row{grid-template-columns:1fr}.step{border-inline-end:0;border-bottom:1px solid var(--line);padding-bottom:22px}}
.flags{display:flex;flex-wrap:wrap;gap:10px}
.flag{background:#fff;border:1px solid var(--line);padding:9px 18px;font-size:14.5px}
.flag:hover{border-color:var(--signal)}
.contact-panel{border:1px solid var(--line);background:#fff;padding:52px 54px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px}
.contact-copy h2{font-size:clamp(28px,3.2vw,38px)}
.contact-links{display:grid;gap:12px;margin-top:26px}
.contact-link{display:flex;align-items:center;gap:14px;padding:15px 18px;border:1px solid var(--line);transition:border-color .18s,background .18s}
.contact-link:hover{border-color:var(--signal);background:var(--mist)}
.contact-link svg{width:22px;height:22px;stroke:var(--signal);fill:none;flex:none}
.cl-label{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel)}
.cl-value{font-weight:600;font-size:16px}
.contact-meta{margin-top:24px;display:grid;gap:12px;font-size:15px}
.contact-meta b{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-bottom:2px}
.quote-form{display:flex;flex-direction:column;gap:12px}
.quote-form label{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--steel)}
.quote-form input,.quote-form textarea{width:100%;border:1px solid var(--line);background:#fff;padding:13px 14px;font-family:var(--font-body);font-size:15px;color:var(--ink);outline:none;transition:border-color .18s}
.quote-form input:focus,.quote-form textarea:focus{border-color:var(--signal)}
.quote-form textarea{min-height:104px;resize:vertical}
.form-note{font-size:12.5px;color:var(--steel)}
@media(max-width:900px){.contact-panel{grid-template-columns:1fr;padding:34px 26px}}
.footer{background:var(--coal);color:rgba(255,255,255,.68);padding:60px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-desc{font-size:14.5px;max-width:38ch;margin-top:16px}
.footer h5{font-family:var(--font-display);font-size:15px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.footer ul{display:grid;gap:9px}
.footer a{font-size:14.5px}
.footer a:hover{color:#fff}
.footer .foot-sub{display:flex;flex-direction:column;gap:6px;margin-top:9px;padding-inline-start:13px;border-inline-start:1px solid rgba(255,255,255,.16)}
.footer .foot-sub a{font-size:12.5px;color:rgba(255,255,255,.58)}
.footer .foot-sub a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--coal-line);padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr;gap:30px}}
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .p-img img{transition:none}
}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}

/* ===== 字体度量校准（切换为系统字体后按新字面重新定字号） ===== */
h1,h2,h3,h4{font-weight:700;line-height:1.07}
h2{font-size:clamp(30px,3.8vw,46px);letter-spacing:-.005em}
.lead{font-size:17px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em}
.btn{font-size:17px;font-weight:700}
.hero-meta{font-size:14px;letter-spacing:.16em}
.hero h1{font-size:clamp(38px,5.8vw,72px);font-weight:800;letter-spacing:-.01em;line-height:1.02;max-width:24ch}
.hero-sub{font-size:clamp(16px,1.5vw,18px)}
.nav-cta{font-size:15.5px;font-weight:700}
.stat-num{font-size:38px;font-weight:800}
.stat-num.small{font-size:20px;letter-spacing:0;padding-top:10px}
.about-copy h2{font-size:clamp(27px,3.2vw,38px)}
.facts-title{font-size:18px}
.product-card h3,.feat h3{font-size:19.5px}
.m-name{font-size:19px;font-weight:700}
.part .ph{font-size:16px;font-weight:700;letter-spacing:.1em}
.certs h2{font-size:clamp(28px,3.4vw,42px)}
.plate-mark{font-size:22px;letter-spacing:.02em}
.steps-title{font-size:clamp(25px,3vw,33px)}
.step-num{font-size:25px}
.step h4{font-size:18px}
.contact-copy h2{font-size:clamp(26px,3vw,34px)}
.footer h5{font-size:13.5px;font-weight:700}

/* ===== 标准号标签行（借用自参考版式：工程买家可一眼扫标准） ===== */
.std-row{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.std-chip{font-family:var(--font-display);font-size:13.5px;font-weight:700;letter-spacing:.06em;color:rgba(255,255,255,.92);border:1px solid var(--coal-line);padding:6px 13px;background:var(--coal-soft)}
.std-chip.hot{border-color:rgba(210,35,42,.55);background:rgba(210,35,42,.16);color:#fff}

/* ===== 卡片标签 ===== */
.p-tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-size:12.5px;font-weight:600;letter-spacing:.04em;color:var(--ink);border:1px solid var(--line);padding:5px 11px;background:var(--mist)}

/* ===== 图片底部渐变图注 ===== */
.about-img{position:relative}
.fig-cap{position:absolute;inset-inline:0;bottom:0;padding:26px 16px 12px;font-size:12.5px;line-height:1.45;color:rgba(255,255,255,.88);background:linear-gradient(180deg,transparent,rgba(12,16,20,.82))}
.dlf{margin-top:30px}
.dlf .dc-lbl{margin-bottom:14px}
.dlf-grid{display:grid;gap:12px}
.dlf-g5{grid-template-columns:repeat(5,1fr)}
.dlf-g3{grid-template-columns:repeat(3,1fr)}
.dlf .dc-tile img{width:100%;display:block;object-fit:contain;background:#eef0f1}
.dlf-g5 .dc-tile img{aspect-ratio:3/4.3}
.dlf-g3 .dc-tile img{aspect-ratio:1}
.dlf-sill{display:flex;gap:18px;align-items:center}
.dlf-sill img{width:92px;height:92px;flex:0 0 auto;object-fit:cover;border:1px solid var(--line);background:#fff}
.dlf-sill-t{display:flex;flex-wrap:wrap;gap:3px 9px;align-items:baseline;font-size:13.5px}
.dlf-sill-t .p-code{opacity:1;color:var(--signal)}
@media(max-width:900px){.dlf-g5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.dlf-g5,.dlf-g3{grid-template-columns:repeat(2,1fr)}.dlf-sill{flex-direction:column;align-items:flex-start;gap:12px}}

/* ===================== multi-page additions ===================== */
.unit-card{position:relative}
.u-link{position:absolute;inset:0;z-index:3}
.u-cta{margin-top:16px;align-self:flex-start;display:inline-flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--signal);padding-bottom:4px;transition:color .18s,gap .18s}
.unit-card:hover .u-cta{color:var(--signal);gap:12px}
.product-grid-1{grid-template-columns:1fr}
.page-hero{background:var(--coal);color:#fff;padding:56px 0 52px}
.page-hero .crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.42);margin-bottom:18px}
.page-hero .crumb a{color:rgba(255,255,255,.72);text-decoration:none}
.page-hero .crumb a:hover{color:#fff}
.page-hero .crumb em{font-style:normal;color:#fff}
.page-hero .eyebrow{margin-bottom:12px}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.12;margin-bottom:16px}
.page-hero p{font-size:16px;line-height:1.65;color:rgba(255,255,255,.74);max-width:70ch}
.pg-nav{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.pg-nav a{display:inline-block;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.26);padding:8px 15px;transition:background .18s,border-color .18s,color .18s}
.pg-nav a:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.5);color:#fff}
.pg-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0}
.pg-tab{font:inherit;cursor:pointer;font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:rgba(255,255,255,.86);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.26);padding:11px 22px;border-radius:2px;transition:background .18s,border-color .18s,color .18s}
.pg-tab:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.pg-tab.active{background:var(--signal);border-color:var(--signal);color:#fff;font-weight:700}
.tab-panel.is-hidden{display:none}
.model-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.model-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--signal);display:flex;flex-direction:column;overflow:hidden;transition:transform .22s,box-shadow .22s}
.model-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(16,23,30,.11)}
.model-card .mc-img{margin:0;position:relative}
.model-card .mc-img img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--mist)}
.model-card .mc-cap{position:absolute;inset-inline-start:0;bottom:0;background:rgba(18,24,31,.78);color:#fff;font-size:11px;padding:5px 10px;max-width:88%}
.model-card .mc-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px}
.model-code{font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.05em;background:var(--coal);color:#fff;padding:5px 11px;align-self:flex-start}
.model-card h3{font-size:21px;font-weight:800;letter-spacing:-.01em}
.model-card p{font-size:14.5px;color:var(--steel);line-height:1.6}
.model-card .u-specs{margin-top:auto}
.spec-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line)}
.spec-tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.spec-tbl th,.spec-tbl td{text-align:start;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.spec-tbl thead th{font-family:var(--font-display);font-size:14px;font-weight:700;letter-spacing:.04em;background:var(--coal);color:#fff}
.spec-tbl tbody th{font-weight:600;color:var(--ink);background:var(--mist);width:34%}
.spec-tbl tbody tr:last-child th,.spec-tbl tbody tr:last-child td{border-bottom:0}
.sec-media{margin:0 0 24px;position:relative}
.sec-media img{width:100%;aspect-ratio:21/9;object-fit:cover;display:block;background:var(--mist)}
.sec-media span{position:absolute;inset-inline-start:0;bottom:0;background:rgba(18,24,31,.78);color:#fff;font-size:11.5px;padding:6px 12px;max-width:82%}
.sec-cta{margin-top:34px;background:#fff;border:1px solid var(--line);border-inline-start:4px solid var(--signal);padding:22px 26px;display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center;justify-content:space-between}
.sec-cta h4{font-size:17px;font-weight:700;margin-bottom:5px}
.sec-cta p{font-size:14px;color:var(--steel);max-width:62ch;line-height:1.55}
.cta-more{display:inline-block;margin-top:9px;font-size:13.5px;font-weight:700;letter-spacing:.02em;color:var(--signal);border-bottom:1px solid rgba(210,35,42,.35);padding-bottom:2px;transition:border-color .18s}
.cta-more:hover{border-bottom-color:currentColor}
.nav-links a[aria-current]{color:var(--signal)}
@media(max-width:900px){.model-grid{grid-template-columns:1fr}.page-hero{padding:44px 0 40px}.model-card h3{font-size:19px}}
@media(max-width:640px){.sec-cta .btn{white-space:normal;width:100%;text-align:center;padding-inline:18px}}
#elev-parts .sub-head{margin-top:54px}
/* ---- 扶梯配件：9 系列 + WEL 号段（patch19）---- */
#esc-parts .p-list li{align-items:center}
#esc-parts .p-list .p-ref{display:flex;flex-direction:column;align-items:flex-end;gap:2px;text-align:end}
#esc-parts .p-list .p-ref i{font-style:normal;font-size:10px;letter-spacing:.02em;color:var(--steel);opacity:.45;white-space:nowrap;font-variant-numeric:tabular-nums}
#esc-parts .cert-note-light{margin-top:16px}
@media(max-width:760px){
#esc-parts .p-list li{flex-wrap:wrap}
#esc-parts .p-list .p-ref{align-items:flex-start;text-align:start;width:100%}
#esc-parts .p-list .p-ref i{white-space:normal}
}
/* ---- 扶梯配件：每系列一版样册整图 + 列表缩略图（patch23）---- */
#esc-parts .p-list li.esc-item{display:flex;align-items:flex-start;gap:14px;padding:16px 0}
#esc-parts .esc-thumb{width:110px;height:110px;object-fit:cover;border-radius:3px;background:#eef0f1;flex:0 0 auto}
#esc-parts .esc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;flex:1}
#esc-parts .esc-panels{margin-top:14px}
#esc-parts .esc-panel{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line)}
@media(max-width:760px){
  #esc-parts .p-list li.esc-item{flex-direction:column;gap:10px}
  #esc-parts .esc-thumb{width:100%;height:auto;aspect-ratio:16/9}
  #esc-parts .p-list .p-ref{align-items:flex-start;text-align:start;width:100%}
  #esc-parts .p-list .p-ref i{white-space:normal}
}
.m-cell .m-img{margin:-22px -20px 6px}
.m-cell .m-img img{width:100%;height:auto;display:block;background:#fff}

/* ===== Elevator-parts accordion: detailed series nested under list items ===== */
.p-acc li{padding:0;border-bottom:0;display:block;color:inherit;font-size:inherit;align-items:initial}
.p-acc li.acc-row{padding:10px 4px;border-bottom:1px dashed var(--line);color:var(--steel);font-size:14.5px;display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.p-acc li.acc-row:last-child{border-bottom:0}
.acc-sum{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px dashed var(--line);color:var(--steel);font-size:14.5px}
.acc-sum::-webkit-details-marker{display:none}
.acc-sum span{flex:1;min-width:0}
.acc-sum .p-code{font-size:10.5px;font-weight:700;letter-spacing:.09em;color:var(--steel);opacity:.62;white-space:nowrap;font-variant-numeric:tabular-nums}
.acc-sum::after{content:"";width:8px;height:8px;border-right:2px solid var(--steel);border-bottom:2px solid var(--steel);transform:rotate(45deg);transition:transform .2s ease;opacity:.65;flex:0 0 auto;margin-right:2px}
.acc[open]>.acc-sum::after{transform:rotate(-135deg);margin-top:5px}
.acc-body{padding:18px 4px 10px;border-bottom:1px dashed var(--line)}
.acc-body .acc-sub{margin-bottom:22px}
.acc-body .acc-sub:last-child{margin-bottom:0}
.acc-body .sub-head{padding-top:0;margin-top:0}
.acc-body .sub-head h4{font-size:17px;margin-bottom:8px}
.acc-body .matrix-grid{margin-top:14px}
@media (max-width:640px){.acc-body .matrix-grid{grid-template-columns:1fr}}