:root{
  --ink:#17242b;
  --body:#46565e;
  --muted:#77858b;
  --line:#d6dee2;
  --line-strong:#b7c4cb;
  --bg:#f3f5f4;
  --paper:#fbfcfb;
  --blue:#144b9c;
  --blue-dark:#0d396f;
  --blue-pale:#eaf1f8;
  --red:#c53a31;
  --mono:Arial,"Microsoft YaHei","微软雅黑",sans-serif;
  --sans:Arial,"Microsoft YaHei","微软雅黑",sans-serif;
  --w:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
body.cesipc-wpc-v3 p{text-indent:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.top{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:30}
.top-inner{height:78px;display:flex;align-items:center;gap:32px}
.logo img{width:165px;max-height:56px}
.nav{display:flex;gap:24px;align-items:center;margin-left:auto;font-size:12px;font-weight:600;white-space:nowrap}
.nav a{position:relative;color:#3c4b53;padding:6px 0}
.nav a:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s;transform-origin:left}
.nav a:hover:after,.nav a.active:after{transform:scaleX(1)}
.nav a.active{color:var(--blue)}
.top-cta{background:var(--blue);color:#fff;font-size:11px;font-weight:650;padding:12px 17px;white-space:nowrap;display:inline-flex;gap:10px;align-items:center}
.top-cta span{font-size:13px}
.top-cta:hover{background:var(--blue-dark)}
.menu{display:none;background:none;border:0;width:36px;height:28px;padding:4px;margin-left:auto}
.menu span{display:block;height:1px;background:var(--ink);margin:6px 0}
.hero{background:#e9eff2;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,75,156,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(20,75,156,.055) 1px,transparent 1px);background-size:64px 64px;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:52px;align-items:center;padding:38px 0 42px}
.hero-media{min-width:0}
.hero-main{width:100%;height:425px;background:#fff!important;border:1px solid var(--line-strong);padding:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative}
.hero-main img{width:100%;height:100%;object-fit:contain;mix-blend-mode:normal}
.hero-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:6px}
.thumb{width:100%;height:66px;background:#fff!important;border:1px solid var(--line);padding:4px;cursor:pointer;transition:.2s}
.thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:normal}
.thumb:hover,.thumb.is-active{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}
.hero-copy{padding:4px 0}
.crumbs{font-size:10px;color:#73838b;display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.crumbs a:hover{color:var(--blue)}
.crumbs i{font-style:normal;color:#a4b0b6}
.crumbs span{color:#35464f}
.eyebrow{font:9px/1.4 var(--mono);letter-spacing:.08em;color:var(--blue);margin-bottom:12px}
.eyebrow b{color:#9aa9b0;font-weight:400;padding:0 3px}
.hero h1{font-size:clamp(34px,3.65vw,46px);line-height:1.15;letter-spacing:-.035em;margin:0 0 12px;font-weight:800;color:#06090b}
.hero h1 span{display:block;font-size:clamp(19px,2vw,25px);line-height:1.4;letter-spacing:-.02em;font-weight:500;color:#38515e;margin-top:7px}
.summary{font-size:13px;line-height:1.85;color:#52666f;border-left:2px solid var(--blue);padding-left:13px;margin:0 0 16px;max-width:610px}
.apps{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.apps>span{font:9px/1 var(--mono);color:#7b8b91;letter-spacing:.05em;margin-right:3px}
.apps a{font-size:10.5px;color:#36586c;border:1px solid #c6d3d9;background:rgba(255,255,255,.55);padding:4px 8px}
.apps a:hover{border-color:var(--blue);color:var(--blue)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #becbd1;border-bottom:1px solid #becbd1;padding:13px 0;margin-bottom:18px}
.hero-stats>div{padding:0 14px;border-right:1px solid #cbd6db}
.hero-stats>div:first-child{padding-left:0}
.hero-stats>div:last-child{border-right:0}
.hero-stats b{display:block;font-size:22px;line-height:1;letter-spacing:-.03em;color:#173d5a;margin-bottom:5px;font-weight:700}
.hero-stats span{display:block;font-size:9px;color:#77888f;line-height:1.5}
.hero-buttons{display:flex;gap:8px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:11px;font-weight:650;padding:13px 17px;border:1px solid transparent;line-height:1;transition:.2s}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.primary:hover{background:var(--blue-dark)}
.btn.outline{background:#fff;color:#28434f;border-color:#b4c5cd}
.btn.outline:hover{border-color:var(--blue);color:var(--blue)}
.btn span{font-size:13px;line-height:0}
.anchor-bar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:80;box-shadow:0 1px 0 rgba(23,36,43,.02)}
.anchor-inner{height:56px;display:flex;align-items:center;gap:26px}
.anchor-inner>b{font:10px/1 var(--mono);letter-spacing:.05em;color:var(--blue);white-space:nowrap}
.anchor-links{display:flex;gap:22px;font-size:11px;color:#586c75;white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.anchor-links::-webkit-scrollbar{display:none}
.anchor-links a{padding:17px 0;border-bottom:2px solid transparent}
.anchor-links a:hover,.anchor-links a.active{color:var(--blue);border-bottom-color:var(--blue)}
.anchor-cta{margin-left:auto;background:var(--blue);color:#fff;font-size:10px;font-weight:650;padding:9px 13px;white-space:nowrap}
.section{padding:58px 0 64px;border-bottom:1px solid var(--line);scroll-margin-top:66px}
.section-head{margin-bottom:26px;display:flow-root}
.section-head .kicker{font:9px/1 var(--mono);letter-spacing:.1em;color:var(--blue);margin-bottom:10px}
.section-head h2{font-size:26px;line-height:1.35;letter-spacing:-.025em;margin:0;font-weight:700;color:#1b303b}
.section-head p{font-size:11px;color:#7a898f;margin:7px 0 0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);border-left:1px solid var(--line)}
.feature{padding:20px 20px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.32)}
.feature-index{font:9px/1 var(--mono);color:var(--blue);margin-bottom:9px}
.feature h3{font-size:14px;line-height:1.5;margin:0 0 7px;color:#1d3542;font-weight:700}
.feature p{font-size:11.5px;line-height:1.85;color:#66777e;margin:0}
.gallery{display:grid;grid-template-columns:1.35fr .825fr .825fr;gap:8px}
.gallery-item,.io-figure,.dims-figure{border:1px solid var(--line);background:#fff;padding:0;cursor:zoom-in;text-align:left;position:relative}
.gallery-item img{width:100%;height:300px;object-fit:contain;padding:14px;mix-blend-mode:normal}
.gallery-item span{padding:10px 12px;display:block;font-size:10px;color:#7c8a90;border-top:1px solid var(--line)}
.gallery-item:first-child img{height:300px}
.spec-wrap{border:1px solid var(--line-strong);background:#fff;overflow:hidden}
.spec-table{width:100%;border-collapse:collapse;table-layout:fixed}
.spec-table th,.spec-table td{padding:12px 16px;border-bottom:1px solid #e3e9eb;vertical-align:top;text-align:left;font-size:12px;line-height:1.65}
.spec-table th{width:155px;font-weight:500;color:#6d7e85;font-family:var(--mono);font-size:10px;background:#f7f9f8}
.spec-table td{color:#304650}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-head-row td{background:var(--blue-pale)!important;padding:11px 16px!important;font-size:11px!important;font-weight:700!important;color:#1a4a74!important;border-bottom:1px solid #c9dbe8}
.spec-head-row span{display:inline-block;width:18px;font:9px var(--mono);color:var(--blue);font-weight:400;margin-right:7px}
.io-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.io-figure img{width:100%;height:280px;object-fit:contain;padding:16px;mix-blend-mode:normal}
.io-figure span{display:block;border-top:1px solid var(--line);padding:10px 14px;font-size:10px;color:#7a898f}
.dims-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:18px;align-items:stretch}
.dims-figure img{width:100%;height:300px;object-fit:contain;padding:14px;mix-blend-mode:normal}
.dims-data{border-top:1px solid var(--line-strong)}
.dims-data>div{padding:14px 0;border-bottom:1px solid var(--line);display:grid;gap:5px}
.dims-data span{font:9px/1.4 var(--mono);color:#7c8b91}
.dims-data b{font-size:13px;color:#263f4a;font-weight:650}
.table-scroll{overflow-x:auto;border:1px solid var(--line-strong);background:#fff}
.order-table{width:100%;border-collapse:collapse;min-width:760px}
.order-table th,.order-table td{padding:12px 14px;border-bottom:1px solid #e3e9eb;text-align:left;font-size:11px;color:#4c626c;white-space:nowrap}
.order-table th{background:#f5f8f9;font:9px/1.4 var(--mono);letter-spacing:.03em;color:#6b7d84;font-weight:500}
.order-table code{font:10px var(--mono);color:var(--blue)}
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.app-card{border:1px solid var(--line);background:#fff;overflow:hidden;position:relative}
.app-card img{width:100%;height:180px;object-fit:cover;filter:none}
.app-card span{display:block;padding:10px 12px;font-size:11px;color:#3f5964;border-top:1px solid var(--line);background:#fff}
.app-card:hover img{filter:none}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);border-left:1px solid var(--line)}
.related-list a{display:block;padding:18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.35)}
.related-list span{display:block;font:9px/1.4 var(--mono);color:var(--blue);margin-bottom:9px}
.related-list b{display:block;font-size:18px;letter-spacing:-.03em;color:#1d3542;margin-bottom:5px}
.related-list small{display:block;font-size:10.5px;line-height:1.7;color:#77868b;margin-bottom:12px}
.related-list i{font-style:normal;font-size:10px;color:#3f5e6d}
.consult{background:var(--blue);color:#fff;margin:0 calc(50% - 50vw);padding:38px max(32px,calc((100vw - var(--w))/2))}
.consult>div:first-child{max-width:720px}
.consult .kicker{font:9px/1 var(--mono);letter-spacing:.1em;color:#bcd3e8;margin-bottom:9px}
.consult h2{font-size:27px;letter-spacing:-.03em;margin:0 0 6px;font-weight:650}
.consult p{font-size:11px;color:rgba(255,255,255,.72);margin:0}
.consult>div:last-child{display:flex;gap:8px;margin-top:20px}
.btn.light{background:#fff;color:var(--blue);border-color:#fff;font-weight:700}
.btn.light:hover{background:#eaf2fa}
.btn.ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.foot{background:#1b252a;color:#aab6b9;padding:30px 0 16px;margin-top:0}
.foot-inner{display:flex;align-items:flex-start;gap:34px;padding-bottom:22px;border-bottom:1px solid #334147}
.foot img{width:140px;filter:brightness(0) invert(1);opacity:.85}
.foot p{font-size:9px;color:#76858a;margin:7px 0 0}
.foot-links{margin-left:auto;display:flex;gap:22px;font-size:10px;color:#a5b1b4}
.foot-links a:hover{color:#fff}
.foot-meta{font:9px/1.6 var(--mono);letter-spacing:.06em;color:#68777b;text-align:right}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:14px;font:9px/1.5 var(--mono);color:#68777b}
.foot-bottom a:hover{color:#c5d1d3}
.lightbox{position:fixed;inset:0;z-index:99999;background:rgba(11,20,24,.95);display:none;align-items:center;justify-content:center;padding:44px 72px}
.lightbox.open{display:flex}
.lb-stage{max-width:1100px;max-height:calc(100vh - 80px);text-align:center}
.lb-stage img{max-width:100%;max-height:calc(100vh - 135px);object-fit:contain;background:#fff;padding:8px;margin:0 auto}
.lb-stage p{font:10px/1.4 var(--mono);color:#a4b1b4;margin:9px 0 0}
.lb-close,.lb-prev,.lb-next{position:absolute;border:1px solid #56676c;background:transparent;color:#fff;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:24px;cursor:pointer}
.lb-close{top:18px;right:20px;font-size:22px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,255,255,.12)}
body.cesipc-wpc-v3 .cesipc-ai-widget{display:none}
@media(max-width:1000px){
  .container{width:calc(100% - 44px)}
  .nav{gap:15px;font-size:11px}
  .logo img{width:145px}
  .hero-grid{gap:28px;grid-template-columns:.9fr 1.1fr}
  .hero-main{height:360px}
  .hero h1{font-size:38px}
  .hero h1 span{font-size:20px}
  .hero-stats>div{padding:0 9px}
  .hero-stats b{font-size:19px}
  .anchor-links{gap:15px}
  .gallery img{height:250px}
  .app-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:780px){
  .top-inner{height:66px;gap:15px}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:8px 22px 14px;flex-direction:column;align-items:stretch;gap:0}
  .nav.open{display:flex}
  .nav a{padding:11px 0;border-bottom:1px solid #e3e9eb;font-size:12px}
  .nav a:after{display:none}
  .menu{display:block}
  .top-cta{display:none}
  .hero-grid{grid-template-columns:1fr;padding:24px 0 30px;gap:22px}
  .hero-media{order:2}
  .hero-copy{order:1}
  .hero-main{height:300px}
  .hero h1{font-size:35px}
  .hero h1 span{font-size:20px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:0}
  .hero-stats>div{padding:9px 12px 9px 0;border-bottom:1px solid #cbd6db}
  .hero-stats>div:nth-child(even){padding-left:12px;border-left:1px solid #cbd6db;border-right:0}
  .hero-stats>div:nth-child(1),.hero-stats>div:nth-child(2){border-bottom:1px solid #cbd6db}
  .hero-stats>div:nth-child(3),.hero-stats>div:nth-child(4){border-bottom:0}
  .anchor-inner{height:52px;gap:14px}
  .anchor-inner>b{display:none}
  .anchor-links{gap:17px;font-size:10px}
  .anchor-links a{padding:15px 0}
  .anchor-cta{margin-left:auto}
  .section{padding:40px 0 46px}
  .section-head h2{font-size:22px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .feature{padding:16px}
  .feature p{font-size:11px}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery-item:first-child{grid-column:1/-1}
  .gallery-item img,.gallery-item:first-child img{height:240px}
  .spec-table th{width:108px;padding:8px 10px;font-size:9px}
  .spec-table td{padding:8px 10px;font-size:11px}
  .spec-head-row td{padding:9px 10px!important}
  .io-grid{grid-template-columns:1fr}
  .dims-grid{grid-template-columns:1fr}
  .dims-figure img{height:240px}
  .dims-data{display:grid;grid-template-columns:1fr 1fr}
  .dims-data>div{padding:11px 12px;border-right:1px solid var(--line)}
  .dims-data>div:nth-child(even){border-right:0}
  .related-list{grid-template-columns:1fr}
  .consult{margin:0 -22px;padding:28px 22px}
  .consult h2{font-size:22px}
  .foot-inner{flex-wrap:wrap;gap:20px}
  .foot-links{margin-left:0}
  .foot-meta{text-align:left;margin-left:auto}
  .foot-bottom{display:block;line-height:2}
  .lightbox{padding:46px 12px 24px}
  .lb-close{top:7px;right:7px;width:34px;height:34px}
  .lb-prev{left:5px;width:34px;height:34px}.lb-next{right:5px;width:34px;height:34px}
}
@media(max-width:500px){
  .container{width:calc(100% - 32px)}
  .logo img{width:140px}
  .hero h1{font-size:31px}
  .hero h1 span{font-size:18px}
  .summary{font-size:12px}
  .hero-main{height:250px;padding:12px}
  .thumb{height:50px}
  .hero-stats b{font-size:18px}
  .hero-stats span{font-size:8px}
  .hero-buttons .btn{width:100%}
  .feature-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .gallery-item:first-child{grid-column:auto}
  .gallery-item img,.gallery-item:first-child img{height:240px}
  .spec-table th{width:92px}
  .app-grid{grid-template-columns:1fr}
  .app-card img{height:220px}
  .dims-data{grid-template-columns:1fr}
  .dims-data>div{border-right:0}
  .consult>div:last-child{flex-direction:column}
  .consult .btn{width:100%}
}


/* v3.1: product features laid out like the spec sheet */
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:0 38px;border-top:0}
.feature-row{display:grid;grid-template-columns:28px 64px minmax(0,1fr);gap:9px;align-items:start;padding:11px 0;border-bottom:0}
.feature-no{font:9px/1.8 var(--mono);color:#1b5c92;padding-top:3px}
.feature-icon{width:23px;height:23px;color:#145b95;display:flex;align-items:center;justify-content:center;margin-top:2px}
.feature-icon svg{width:21px;height:21px;display:block}
.feature-label{font-size:14px;font-weight:800;color:#080b0d;line-height:1.8;padding-top:2px}
.feature-row p{font-size:13.5px;line-height:1.85;color:#354b56;margin:0}
.spec-table th{font-size:13px;color:#334b57;background:#f4f8fa;font-weight:600}
.spec-table td{font-size:15px;line-height:1.75;color:#213b48}
.spec-head-row td{background:#0d3f70!important;color:#fff!important;font-size:14px!important;border-bottom:1px solid #0d3f70;padding-top:12px!important;padding-bottom:12px!important}
.spec-head-row span{color:#a9cbe6}
.spec-col-head th{background:#e8f0f6!important;color:#244b67!important;font-weight:700;font-size:12.5px}
.spec-col-head td{background:#e8f0f6!important;color:#244b67!important;font-weight:700;font-size:12.5px}
.related-list img{width:100%;height:150px;object-fit:contain;background:#fff;border:1px solid var(--line);padding:8px;margin-bottom:13px;mix-blend-mode:normal}
.related-list b{font-size:20px}
.related-list small{font-size:12.5px;color:#536770;line-height:1.75}
.related-list span{font-size:10px;color:#1f588d}
.related-list i{font-size:11.5px;color:#1f588d}

/* v3.1: readable typography and stronger contrast */
body.cesipc-wpc-v3 p{text-indent:0}
.hero .summary{font-size:15px;line-height:1.9;color:#334c58;border-left:2px solid var(--blue);padding-left:15px}
.apps>span{font-size:10.5px;color:#52666f}
.apps a{font-size:12px;color:#2d5269;padding:5px 9px}
.hero-stats b{font-size:24px;color:#113d5d}
.hero-stats span{font-size:11px;color:#536871}
.crumbs{font-size:11.5px;color:#52666f}
.eyebrow{font-size:10.5px;color:#0d4e8c}
.section-head .kicker{font-size:10.5px;color:#0d4e8c}
.section-head h2{font-size:30px;color:#172f3d}
.section-head p{font-size:13px;color:#50656f}
.anchor-links{font-size:12px;color:#3f5560}
.anchor-inner>b{font-size:11px}
.gallery-item span,.io-figure span{font-size:12px;color:#50656f}
.dims-data span{font-size:10.5px;color:#526770}
.dims-data b{font-size:15px;color:#1c3a49}
.order-table th{font-size:10.5px;color:#405b68;background:#edf3f6}
.order-table td{font-size:12.5px;color:#334c58}
.order-table code{font-size:12px}
.app-card span{font-size:13px;color:#294752;font-weight:600}
.consult p{font-size:13px;color:rgba(255,255,255,.82)}
.consult .kicker{font-size:10.5px}
.btn{font-size:12.5px}
.btn span{font-size:14px}
.section-head p{max-width:760px}

/* anchor bar must sit below the shared sticky homepage header */
.anchor-bar{top:146px}
.section{scroll-margin-top:210px}
@media(max-width:1100px){.anchor-bar{top:146px}}
@media(max-width:940px){.anchor-bar{top:94px}.section{scroll-margin-top:158px}}
@media(max-width:640px){.anchor-bar{top:90px}.section{scroll-margin-top:154px}}

.summary{text-indent:0!important}


/* selected section text on blue */
.consult h2{color:#fff!important}
.consult p{color:rgba(255,255,255,.9)!important}
.consult .kicker{color:#c9dcef!important}
/* keep image buttons white even after theme focus/hover */
.hero-main:hover,.hero-main:focus,.hero-main:active,.hero-main:focus-visible{background:#fff!important}
.thumb:hover,.thumb:focus,.thumb:active,.thumb.is-active{background:#fff!important}

.hero-main,.hero-main:hover,.hero-main:focus,.hero-main:active,.hero-main:focus-visible{border-color:var(--line-strong)!important;outline:0!important;box-shadow:none!important}

@media(max-width:780px){.feature-list{grid-template-columns:1fr;gap:0}}
@media(max-width:500px){.feature-row{grid-template-columns:26px 58px minmax(0,1fr);gap:7px}.feature-row p{font-size:13px}.spec-table td{font-size:14px}.spec-table th{font-size:12px}}


/* no hover exposure changes on product imagery */
.hero-main img,.thumb img,.io-figure img,.dims-figure img,.app-card img,.related-list img{filter:none!important;opacity:1!important}
.hero-main:hover img,.thumb:hover img,.io-figure:hover img,.dims-figure:hover img,.app-card:hover img,.related-list a:hover img{filter:none!important;opacity:1!important}

body.cesipc-product-v3 .feature-row{grid-template-columns:28px 92px minmax(0,1fr)}
@media(max-width:500px){body.cesipc-product-v3 .feature-row{grid-template-columns:26px 74px minmax(0,1fr)}}