/* Unified reading scale; projection is explicit because resolution cannot identify a projector. */
:root{--reading-body:clamp(16px,1.15vw,22px);--reading-note:clamp(14px,1vw,18px);--duration:480ms}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
.display-toggle{background:transparent;color:var(--primary);border:1px solid currentColor;padding:9px 12px;min-height:44px;font-size:14px;white-space:nowrap}
.display-toggle[aria-pressed=true]{background:var(--primary);color:#fff;border-color:var(--primary)}
.header .top-nav{position:static;transform:none;gap:clamp(16px,2vw,32px)}
.slide-inner :is(p,li){overflow-wrap:break-word}
.slide :is(.intro-copy>p,.expert-copy li,.catalog-intro p,.product-caption ul,.mobility-apps p,.mobility-loop-steps p,.matrix-description p,.coop-intro,.coop-services p,.scale-options p,.scale-intro p),#engine-panel p{font-size:var(--reading-body);line-height:1.7}
.slide :is(.section-note,.catalog-source-note,.expert-note,.expert-stats small,.matrix-stage,.matrix-eyebrow,.matrix-image-note,.matrix-detail figcaption,.coop-note,.coop-services span,.coop-services strong small,.pilot-metrics>*>small,.governance-band span,.governance-band b,.scale-resources,.engine-fields span,.core-descriptor){font-size:var(--reading-note);line-height:1.6}
.light :is(.catalog-source-note,.expert-note,.matrix-stage,.matrix-image-note,.matrix-detail figcaption,.coop-note,.coop-services span,.pilot-metrics>*>small){color:#555}
.dark :is(.engine-heading p,.architecture-label,.engine-tabs button,#engine-panel p,.feedback,.slide-bottom){color:#d4d4d4}
.module-subnav a,.engine-tabs button,.text-button{min-height:44px}
.enter{transform:translateY(10px);transition:opacity .3s ease,transform .35s ease}
.active .enter:nth-child(n){transition-delay:0s}
.matrix-card{transition:background .18s,border-color .18s}
@media(min-width:901px) and (min-height:621px){
 .slide-inner{height:calc(100% - 64px);padding-bottom:20px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#aab4ca transparent}
 .slide-inner>*,.catalog-panel>*,.coop-panel>*{flex-shrink:0}
 .catalog-panel,.coop-panel{flex:1 0 auto}
 .product-gallery{min-height:220px}.product-gallery a{min-height:100px}
 .section-heading:empty{display:none}
 .mobility-apps{min-height:350px}.mobility-image{min-height:170px}
 .engine-layout{min-height:390px}.mobility-loop{min-height:380px}
 #home .hero-layout{height:100%;overflow:hidden}
 .matrix-details{min-height:260px}.matrix-detail{height:auto;min-height:240px}
 .top-nav a,.module-subnav a{font-size:clamp(15px,1.05vw,19px)}
}

/* 产品矩阵图片：扩大预览区域并完整展示产品主体。 */
#products-matrix .matrix-card img{
 object-fit:contain;
 object-position:center;
 background:#f7f8fa;
 box-sizing:border-box;
 padding:4px;
 height:104px;
}
@media(min-width:1600px) and (min-height:900px){
 #products-matrix .matrix-card img{height:118px}
}
@media(min-width:901px) and (max-height:820px){
 #products-matrix .matrix-card img{height:76px}
}
@media(max-width:900px){
 #products-matrix .matrix-card img{height:132px}
}
.projection #products-matrix .matrix-card img{height:96px}
body.projection{--reading-body:clamp(20px,1.55vw,28px);--reading-note:clamp(18px,1.25vw,23px);--text-secondary:#333;--duration:0ms}
.projection .slide h2{font-size:clamp(38px,3.5vw,64px);font-weight:400}
.projection .slide :is(h3,h4){font-weight:500}
.projection .slide :is(.matrix-card strong,.module-subnav a,.engine-tabs button,.text-button,.asset-row span,.output-row span,.pilot-metrics span,.intro-scope span){font-size:var(--reading-body)}
.projection .light :is(p,li,small,.section-note){color:#333}
.projection .dark :is(p,li,small){color:#eee}
.projection .enter,.projection .engine-core{transition:none!important;transform:none!important;opacity:1!important}
.projection .matrix-rail{grid-template-columns:repeat(4,minmax(0,1fr))}
.projection .matrix-card img{height:80px}
.projection .engine-heading{align-items:flex-start}
.projection .engine-heading p{font-size:var(--reading-body)}
@media(max-width:900px),(max-height:620px){
 :root{--reading-body:16px;--reading-note:14px;--header-height:116px}
 .header{padding:8px 20px;height:var(--header-height);display:grid;grid-template-columns:1fr auto;grid-template-rows:48px 44px;gap:4px 12px}
 .header .brand-logo{width:125px;height:46px;padding:0}
 .display-toggle{grid-column:2;grid-row:1;font-size:13px}
 .header .top-nav{grid-row:2;grid-column:1/-1;width:100%;height:44px;justify-content:flex-start;gap:22px;overflow-x:auto}
 .top-nav a{font-size:15px;min-height:44px}
 .slide-inner{height:auto;overflow:visible;padding-left:22px;padding-right:22px}
 .slide h2{font-size:clamp(28px,6.5vw,40px);line-height:1.35;letter-spacing:0}
 .module-subnav{gap:0 20px}.module-subnav a{font-size:15px}
 .product-caption ul{line-height:1.8}.matrix-card img{height:90px}
 .matrix-rail,.projection .matrix-rail{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-detail{height:auto}.matrix-details{flex:none}
 .mobility-loop-steps article{grid-template-columns:52px 1fr;gap:14px}
 .pilot-metrics strong{font-size:32px}.pilot-metrics strong small{font-size:14px}
 .intro-scope{gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}
 .engine-heading p{display:block;font-size:16px}.engine-core{gap:12px;padding:20px 14px}.engine-core strong{font-size:26px}
 .asset-row{grid-template-columns:repeat(4,minmax(0,1fr))}.output-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .slide-bottom{font-size:13px;gap:12px;line-height:1.6}
 dialog{padding:24px 20px}dialog p,dialog li{font-size:16px}
 .enter,.engine-core{opacity:1;transform:none;transition:none}
}

/* Digital engine: three focused image-and-copy pages. */
.engine-story-page .slide-inner{justify-content:flex-start}
.engine-story-nav{display:flex;justify-content:flex-end;flex-shrink:0}
.engine-story-page .module-subnav{margin:0 0 var(--layout-section-gap);border-color:#343b47}
.engine-story-page .module-subnav a{color:#aab4c5}
.engine-story-page .module-subnav a[aria-current=page]{color:#fff;border-color:#72d7ff}
.engine-story{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.7fr);gap:clamp(36px,5vw,86px);align-items:stretch;flex:1;min-height:0}
.engine-story figure{margin:0;min-height:360px;overflow:hidden;border-top:2px solid #4b7de2;background:#0b1320}
.engine-story figure img{display:block;width:100%;height:100%;object-fit:cover}
.engine-story-copy{display:flex;flex-direction:column;justify-content:center;border-top:1px solid #47505e;padding:clamp(28px,4vw,58px) 0}
.engine-story-copy>span{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:#72d7ff}
.engine-story-copy h2{font-size:clamp(42px,4.6vw,76px);font-weight:500;letter-spacing:-.04em;line-height:1.15;margin:20px 0 28px}
.engine-story-copy p{font-size:var(--reading-body);line-height:1.9;color:#cdd3dc;max-width:520px}
@media(max-width:900px),(max-height:620px){
 .engine-story-nav{justify-content:flex-start;overflow-x:auto}
 .engine-story-page .module-subnav{flex-wrap:nowrap;width:max-content;margin-bottom:20px}
 .engine-story{display:flex;flex-direction:column;gap:28px;flex:none}
 .engine-story figure{min-height:0;height:260px;order:1}
 .engine-story-copy{order:2;padding:24px 0 8px}
 .engine-story-copy h2{font-size:38px;margin:16px 0 20px}
 .engine-story-copy p{font-size:16px;line-height:1.85}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.pilot-metrics>button{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}
.projection dialog :is(p,li,td,th){font-size:var(--reading-body)}
/* Cooperation cover inspired by the reference strategy page. */
#home.home{background:var(--bg-light);color:var(--text-main)}
#home .strategy-home{display:grid;grid-template-columns:minmax(120px,17%) minmax(0,1fr);gap:clamp(28px,4vw,76px);align-items:stretch;padding-top:calc(var(--header-height) + 30px)}
.strategy-art{position:relative;min-height:460px;background:var(--primary);color:#a8bdff;overflow:hidden}
.strategy-art svg{position:absolute;inset:0;width:100%;height:100%}
.strategy-art>div{position:absolute;bottom:26px;left:18px;font-size:12px;line-height:1.8;color:white}.strategy-art>div span{display:block;font-size:12px;color:#dce5ff}
.strategy-content{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:24px 0}
.strategy-kicker{color:var(--primary);font-size:var(--reading-note);margin-bottom:24px}
#home .strategy-content h1{font-size:clamp(36px,4.15vw,76px);font-weight:600;letter-spacing:-.04em;line-height:1.3}
#home .strategy-content h1 em{font-style:normal;color:var(--primary)}
.strategy-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:clamp(12px,1.5vw,28px);align-items:start;margin-top:38px}
#home .strategy-flow h2{font-size:clamp(24px,2.3vw,38px);color:var(--primary);font-weight:500;letter-spacing:0}
.strategy-flow article:nth-of-type(2) h2{color:#555!important}
.strategy-flow p{font-size:var(--reading-body);line-height:1.7;color:#555;margin-top:12px}
.strategy-flow>span{font-size:32px;color:var(--primary)}
.strategy-road{border-top:1px solid var(--border);padding-top:20px;margin-top:36px}
.strategy-road>p{font-size:var(--reading-note);color:#555;margin-bottom:12px}
.strategy-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.strategy-steps>a{display:block;border-top:2px solid #c7cbd2;padding:18px 12px;transition:background .18s,border-color .18s}
.strategy-steps>a:first-child{background:#edf1f8;border-color:var(--primary)}
.strategy-steps>a:hover{background:#e5ecfa;border-color:var(--primary)}
.strategy-steps span{font-size:var(--reading-note);color:#555}
.strategy-steps h3{font-size:clamp(19px,1.55vw,28px);font-weight:500;margin:14px 0 8px}
.strategy-steps p{font-size:var(--reading-note);line-height:1.6;color:#555}
#home .slide-bottom{color:#555;border-color:var(--border)}
@media(min-width:901px) and (max-height:820px){.strategy-content{padding:8px 0}.strategy-kicker{margin-bottom:18px}.strategy-flow{margin-top:26px}.strategy-road{margin-top:24px;padding-top:16px}.strategy-steps>a{padding:14px 8px}.strategy-art{min-height:480px}}
@media(max-width:900px),(max-height:620px){
 #home .strategy-home{display:flex;flex-direction:column;padding:calc(var(--header-height) + 26px) 22px 90px;gap:24px;height:auto}
 .strategy-art{min-height:0;height:72px;flex:none}.strategy-art svg{width:100%;height:250px;top:-90px}.strategy-art>div{bottom:12px;left:18px}
 .strategy-content{padding:0}.strategy-kicker{font-size:14px;margin-bottom:18px}
 #home .strategy-content h1{font-size:clamp(27px,5.6vw,46px);letter-spacing:-.04em;line-height:1.45}
 .strategy-flow{grid-template-columns:1fr;margin-top:28px;gap:14px}.strategy-flow article{border-bottom:1px solid var(--border);padding-bottom:16px;display:grid;grid-template-columns:105px 1fr;gap:12px;align-items:start}
 #home .strategy-flow h2{font-size:24px}.strategy-flow p{font-size:16px;margin:0}.strategy-flow>span{display:none}
 .strategy-road{margin-top:24px;border-top:0;padding-top:0}.strategy-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.strategy-steps>a{padding:14px 8px}.strategy-steps h3{font-size:21px}
}
/* Center desktop navigation against the viewport, independent of logo width. */
@media(min-width:901px) and (min-height:621px){
 .header .top-nav{position:absolute;left:50%;transform:translateX(-50%);width:max-content}
}
/* Four-stage hydrogen chain: vector artwork stays sharp on large displays. */
.chain-intro{font-size:var(--reading-body);line-height:1.7;color:#555;margin:14px 0 20px;max-width:1000px}
.chain-stages{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.chain-stage{position:relative;text-align:left;background:#eef0f3;padding:16px 20px;border-top:3px solid #cdd3df;transition:background .2s,color .2s,border-color .2s}
.chain-stage:not(:last-child)::after{content:'→';position:absolute;right:-18px;top:47%;font-size:19px;color:#6c7f9f}
.chain-stage[aria-selected=true]{background:var(--primary);color:white;border-color:var(--primary)}
.chain-stage:hover:not([aria-selected=true]){background:#e2e9f7;border-color:#738ac1}
.chain-step{font-size:12px;letter-spacing:.06em;opacity:.8}.chain-stage>div{display:flex;align-items:center;gap:16px;margin:10px 0}
.chain-stage svg{width:54px;height:54px;flex-shrink:0}.chain-stage strong{font-size:28px;font-weight:500}.chain-lead{font-size:var(--reading-note);line-height:1.6}
.chain-panels{margin-top:22px;flex:1;min-height:250px}
.chain-panel{display:grid;grid-template-columns:28% 1fr;gap:32px;align-items:stretch;min-height:250px;height:100%;animation:chain-reveal .25s ease}
.chain-panel[hidden]{display:none}.chain-illustration{position:relative;background:linear-gradient(135deg,#eef3fc,#e0e8f8);display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--primary);overflow:hidden;padding:22px}
.chain-illustration>span{position:absolute;top:8px;left:20px;font-size:64px;font-weight:300;color:#c5d1e9}.chain-illustration svg{width:140px;height:140px;position:relative}.chain-illustration b{font-size:var(--reading-note);font-weight:500;margin-top:10px}
.chain-explanation{padding:10px 0;align-self:center}.chain-eyebrow{font-size:var(--reading-note);color:var(--primary)}.chain-explanation h3{font-size:clamp(25px,2.3vw,36px);font-weight:500;margin:10px 0}.chain-explanation>p{font-size:var(--reading-body);line-height:1.8;color:#444;max-width:850px}.chain-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.chain-tags span{background:#edf0f5;color:#334669;font-size:var(--reading-note);padding:7px 12px}.chain-example{font-size:var(--reading-body);color:var(--primary);border-top:1px solid var(--border);margin-top:16px;padding-top:12px;line-height:1.6}
.chain-link{display:flex;align-items:center;gap:28px;border-top:1px solid var(--border);margin-top:20px;padding-top:14px;font-size:var(--reading-note)}.chain-link strong{color:var(--primary);font-weight:500;white-space:nowrap}.chain-link p{line-height:1.8;color:#444}.chain-link p span{color:#8194bc;margin:0 12px}
@keyframes chain-reveal{from{opacity:.35;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(min-width:901px) and (max-height:820px){.chain-intro{margin:10px 0 14px}.chain-stage{padding:12px 16px}.chain-stage>div{margin:6px 0}.chain-stage svg{width:44px;height:44px}.chain-panels{margin-top:16px}.chain-panel{gap:24px}.chain-illustration svg{width:120px;height:120px}.chain-tags{margin-top:10px}.chain-example{margin-top:10px;padding-top:8px}.chain-link{margin-top:14px;padding-top:10px}}
@media(max-width:900px),(max-height:620px){.chain-stages{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.chain-stage{padding:12px}.chain-stage:not(:last-child)::after{display:none}.chain-stage>div{gap:8px}.chain-stage strong{font-size:25px}.chain-stage svg{width:42px;height:42px}.chain-step{font-size:10px;letter-spacing:0}.chain-lead{font-size:14px}.chain-panel{grid-template-columns:1fr;gap:18px;height:auto}.chain-illustration{min-height:160px;flex-direction:row;gap:22px;padding:14px}.chain-illustration svg{width:110px;height:110px}.chain-illustration>span{font-size:48px}.chain-link{display:block}.chain-link p{margin-top:8px}.chain-link p span{margin:0 4px}.chain-explanation{padding:0}}
@media(prefers-reduced-motion:reduce){.chain-panel{animation:none}}
/* Guided demonstration: one purpose and its products at a time. */
.chain-demo-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:14px 0 20px}.chain-demo-toolbar p{font-size:var(--reading-body);color:#555}.chain-play{background:var(--primary);color:white;padding:12px 18px;min-height:44px;font-size:16px;white-space:nowrap}.chain-play span{margin-left:16px}
#products-industry .chain-stage{display:flex;align-items:center;gap:18px;padding:12px 20px}.chain-stage>div{margin:0}.chain-stage.chain-complete{border-color:var(--primary);background:#e5ecfc;color:var(--primary)}
#products-industry .chain-panels{min-height:320px;margin-top:24px}.chain-demo-panel{display:flex;flex-direction:column;gap:20px;min-height:320px;height:auto}.chain-demo-panel[hidden]{display:none}
.chain-demo-caption{display:flex;align-items:flex-start;gap:24px}.chain-demo-caption>span{font-size:18px;color:var(--primary);padding-top:8px;white-space:nowrap}.chain-demo-caption h3{font-size:clamp(28px,2.5vw,42px);font-weight:500}.chain-demo-caption p{font-size:var(--reading-body);line-height:1.7;color:#555;margin-top:8px}
.chain-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.chain-products figure{margin:0;background:#f0f2f5;min-width:0;padding:18px}.chain-products img{width:100%;height:clamp(110px,19vh,240px);object-fit:contain;mix-blend-mode:multiply}.chain-products figcaption{display:flex;flex-direction:column;gap:6px;margin-top:10px}.chain-products strong{font-size:20px;font-weight:500;color:var(--primary)}.chain-products figcaption span{font-size:var(--reading-note);color:#555}
.chain-demo-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--border);padding-top:14px;margin-top:20px;font-size:var(--reading-note);color:#555}
.chain-transport{display:flex;align-items:center;justify-content:center;gap:36px;background:#edf2fa;padding:30px;min-height:230px}.chain-transport>div:not(.chain-moving-route){display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--primary)}.chain-transport svg{width:110px;height:110px}.chain-transport strong{font-size:20px;font-weight:500}.chain-moving-route{width:35%;height:3px;background:#bdccec;position:relative}.chain-moving-route>span{position:absolute;top:-5px;width:13px;height:13px;border-radius:50%;background:var(--primary);left:50%}.chain-moving-route b{display:block;text-align:center;margin-top:24px;font-size:18px;color:#45608e;font-weight:400}
.chain-playing .chain-stage[aria-selected=true]::after{color:var(--primary);animation:chain-pulse 1s ease-in-out infinite}.chain-playing .chain-moving-route>span{animation:chain-deliver 2s linear infinite}
@keyframes chain-deliver{from{left:0}to{left:calc(100% - 13px)}}@keyframes chain-pulse{50%{opacity:.25;transform:translateX(3px)}}
@media(max-width:900px),(max-height:620px){.chain-demo-toolbar{align-items:flex-start}.chain-demo-toolbar p{font-size:16px}.chain-play{font-size:14px;padding:12px}.chain-play span{margin-left:6px}#products-industry .chain-stage{gap:10px;padding:12px}.chain-demo-caption{gap:12px}.chain-demo-caption>span{font-size:14px}.chain-demo-caption h3{font-size:26px}.chain-products{grid-template-columns:1fr;gap:14px}.chain-products figure{display:grid;grid-template-columns:110px 1fr;align-items:center;gap:16px;padding:12px}.chain-products img{height:110px}.chain-products strong{font-size:18px}.chain-products figcaption{margin:0}.chain-demo-footer{display:block;line-height:1.7}.chain-demo-footer>span:last-child{display:none}.chain-transport{gap:12px;padding:24px 12px}.chain-transport svg{width:64px;height:64px}.chain-transport strong,.chain-moving-route b{font-size:14px}.chain-moving-route{width:24%}.chain-demo-panel{gap:20px}}
@media(prefers-reduced-motion:reduce){.chain-playing .chain-stage::after,.chain-playing .chain-moving-route>span{animation:none!important}}

#company .company-founded{font-size:var(--reading-note);font-weight:400;line-height:1.6;color:#656565;margin-top:18px}

/* Global type scale: keep the hierarchy consistent across every module. */
:root{
 --reading-body:clamp(16px,.98vw,19px);
 --reading-note:clamp(13px,.82vw,16px);
 --title-page:clamp(34px,2.6vw,46px);
 --title-section:clamp(20px,1.45vw,25px);
}
.slide h2,
.product-slide h2,
.coop-heading h2,
#products h2,
#products-industry h2{
 font-size:var(--title-page);
 line-height:1.25;
 letter-spacing:-.025em;
}
.slide :is(h3,.mobility-apps h3,.mobility-loop-steps h3,.coop-services h3,.scale-intro h3){
 line-height:1.4;
}
.mobility-apps h3,.mobility-loop-steps h3,.coop-services h3,.scale-intro h3{
 font-size:var(--title-section);
}
.slide :is(.intro-copy>p,.expert-copy li,.catalog-intro p,.product-caption ul,.mobility-apps p,.mobility-loop-steps p,.matrix-description p,.coop-intro,.coop-services p,.scale-options p,.scale-intro p),
#engine-panel p{
 font-size:var(--reading-body);
 line-height:1.7;
}
.expert-name h2{
 font-size:clamp(36px,2.8vw,48px);
}
.engine-heading h2{
 font-size:var(--title-page);
}
.transition-copy p{
 font-size:clamp(38px,4.3vw,82px);
 line-height:1.28;
}
.matrix-description h3{
 font-size:clamp(24px,1.8vw,30px);
}
.scale-options h3{
 font-size:clamp(22px,1.6vw,27px);
}
@media(min-width:901px) and (max-height:820px){
 :root{--title-page:clamp(32px,2.35vw,40px);--reading-body:clamp(15px,.94vw,17px)}
}
@media(max-width:900px),(max-height:620px){
 :root{--reading-body:16px;--reading-note:14px;--title-page:clamp(26px,7vw,30px);--title-section:20px}
 .slide h2,.product-slide h2,.coop-heading h2,#products h2,#products-industry h2,.engine-heading h2,.expert-name h2{
  font-size:var(--title-page);
  line-height:1.35;
  letter-spacing:0;
 }
 .transition-copy p{font-size:clamp(28px,7.2vw,42px);line-height:1.45}
 .matrix-description h3{font-size:26px}
 .scale-options h3{font-size:23px}
}

/* Shared layout rhythm for all content modules. */
:root{
 --layout-inline:var(--space);
 --logo-optical-inset:0px;
 --content-inline:calc(var(--layout-inline) + var(--logo-optical-inset));
 --layout-header-gap:22px;
 --layout-section-gap:22px;
 --layout-grid-gap:24px;
 --layout-card-pad:18px;
}
.slide-inner{
 max-width:none;
 width:100%;
 margin-left:0;
 margin-right:0;
}
@media(min-width:901px) and (min-height:621px){
 .home>.slide-inner{
  padding-left:var(--content-inline);
  padding-right:var(--content-inline);
 }
 .transition-copy{
  padding-left:var(--content-inline);
  padding-right:var(--content-inline);
 }
 .slide:not(.home):not(.transition-slide)>.slide-inner{
  padding-left:var(--content-inline);
  padding-right:var(--content-inline);
  padding-top:calc(var(--header-height) + var(--layout-header-gap));
  padding-bottom:72px;
 }
 .slide-bottom{
  left:var(--content-inline);
  right:var(--content-inline);
  bottom:24px;
  padding-top:13px;
 }
 .section-heading{
  min-height:18px;
  margin-bottom:10px;
 }
 .product-slide>.slide-inner>h2,
 #controller>.slide-inner>h2,
 #controller-loop>.slide-inner>h2{
  margin:0 0 var(--layout-section-gap);
 }
 .product-slide .module-subnav{
  margin:0 0 var(--layout-section-gap);
 }
 .catalog-intro{
  margin-bottom:var(--layout-section-gap);
 }
 .mobility-apps,.mobility-loop{
  margin-top:0;
 }
 .engine-heading{
  align-items:flex-start;
  margin:0;
 }
 .engine-layout{
  margin-top:var(--layout-section-gap);
 }
 .coop-heading{
  margin:0 0 var(--layout-section-gap);
 }
 .company-intro,.expert-layout{
  gap:clamp(40px,5vw,80px);
 }
 .product-gallery,.mobility-apps,.scale-options,.coop-services{
  gap:var(--layout-grid-gap);
 }
 .catalog-panel,.coop-panel{
  flex:1 1 0;
  min-height:0;
 }
 .catalog-panel>.product-gallery,
 #products-matrix .matrix-details,
 .coop-panel>.coop-services,
 .coop-panel>.scale-options{
  flex:1 1 0;
  min-height:0;
 }
 .product-gallery article,.mobility-apps article,.mobility-loop-visual{
  border-top:2px solid var(--primary);
  background:#fff;
 }
 .mobility-apps article{
  padding:var(--layout-card-pad);
 }
 .mobility-loop-steps article{
  padding-top:13px;
 }
}
@media(max-width:900px),(max-height:620px){
 :root{--layout-inline:20px;--logo-optical-inset:0px;--content-inline:var(--layout-inline);--layout-header-gap:22px;--layout-section-gap:18px;--layout-grid-gap:16px;--layout-card-pad:16px}
 .slide:not(.home):not(.transition-slide)>.slide-inner{
  padding-left:var(--content-inline);
  padding-right:var(--content-inline);
  padding-top:calc(var(--header-height) + var(--layout-header-gap));
  padding-bottom:78px;
 }
 .slide-bottom{left:var(--content-inline);right:var(--content-inline)}
 .section-heading{margin-bottom:10px}
 .product-slide>.slide-inner>h2,
 #controller>.slide-inner>h2,
 #controller-loop>.slide-inner>h2{
  margin:0 0 var(--layout-section-gap);
 }
 .product-slide .module-subnav{margin:0 0 var(--layout-section-gap)}
 .catalog-intro{margin-bottom:var(--layout-section-gap)}
 .mobility-apps,.mobility-loop{margin-top:0;gap:var(--layout-grid-gap)}
 .product-gallery,.scale-options,.coop-services{gap:var(--layout-grid-gap)}
 .product-gallery article,.mobility-apps article,.mobility-loop-visual{
  border-top:2px solid var(--primary);
  background:#fff;
 }
 .mobility-apps article{padding:var(--layout-card-pad)}
 .engine-heading{display:block;margin:0}.engine-heading p{margin-top:12px;max-width:none}
 .engine-layout{margin-top:var(--layout-section-gap)}
 .coop-heading{margin-bottom:var(--layout-section-gap)}
}

/* Editorial frame adapted from the supplied strategy reference. */
.page-meta{
 display:none;
 align-items:center;
 justify-content:space-between;
 gap:24px;
 min-height:20px;
 margin-bottom:18px;
 color:#5e6570;
 font-size:12px;
 line-height:1.5;
 letter-spacing:.04em;
 flex-shrink:0;
}
.page-meta>span:first-child{
 color:#17366e;
 font-family:var(--mono);
 letter-spacing:.08em;
}
.dark .page-meta{color:#aaa}
.dark .page-meta>span:first-child{color:#a8bdff}
.page-meta+.section-heading{display:none}
.slide.gray{background:var(--bg-light)}
.home::before{
 content:none;
 display:none;
 position:absolute;
 z-index:2;
 top:calc(var(--header-height) + 10px);
 left:var(--content-inline);
 color:#17366e;
 font-family:var(--mono);
 font-size:12px;
 letter-spacing:.08em;
}
.product-gallery article,.mobility-apps article,.mobility-loop-visual,
.pilot-metrics,.scale-options article,.matrix-card{
 box-shadow:none;
}
.product-gallery article,.mobility-apps article,.mobility-loop-visual{
 border-right:0;
 border-bottom:0;
 border-left:0;
}
.module-subnav,.catalog-tabs,.engine-tabs,.coop-tabs{
 scrollbar-width:none;
}
.module-subnav::-webkit-scrollbar,.catalog-tabs::-webkit-scrollbar,.engine-tabs::-webkit-scrollbar,.coop-tabs::-webkit-scrollbar{
 display:none;
}
@media(min-width:901px) and (min-height:621px){
 .slide:not(.home):not(.transition-slide)>.slide-inner{
  padding-top:calc(var(--header-height) + 10px);
 }
 .page-meta{margin-bottom:18px}
 .company-content{min-height:0}
 .product-slide>.slide-inner>h2,
 #controller>.slide-inner>h2,
 #controller-loop>.slide-inner>h2{
  margin-bottom:18px;
 }
 .slide-bottom{font-size:13px}
}
@media(max-width:900px),(max-height:620px){
 .page-meta{margin-bottom:16px;font-size:11px}
 .page-meta>span:last-child{white-space:nowrap}
 .home::before{top:calc(var(--header-height) + 8px);left:var(--content-inline);font-size:11px}
 #home>.slide-inner,.transition-copy{
  padding-left:var(--content-inline);
  padding-right:var(--content-inline);
 }
 .slide:not(.home):not(.transition-slide)>.slide-inner{
  padding-top:calc(var(--header-height) + 12px);
 }
}

/* Global density pass: compact, consistent editorial rhythm. */
:root{
 --layout-header-gap:14px;
 --layout-section-gap:16px;
 --layout-grid-gap:18px;
 --layout-card-pad:16px;
}
@media(min-width:901px) and (min-height:621px){
 .slide:not(.home):not(.transition-slide)>.slide-inner{
  padding-top:calc(var(--header-height) + 8px);
  padding-bottom:62px;
 }
 .slide-bottom{bottom:20px;padding-top:10px}
 .product-slide>.slide-inner>h2,
 #controller>.slide-inner>h2,
 #controller-loop>.slide-inner>h2{margin-bottom:14px}
 .product-slide .module-subnav,
 .engine-story-page .module-subnav{margin-bottom:14px}
 .catalog-intro{margin-bottom:14px}
 .company-intro,.expert-layout{gap:clamp(28px,3.5vw,56px)}
 .intro-brand{margin:18px 0}
 .intro-facts,.expert-stats{margin-top:22px}
 .expert-milestones>div{padding:12px 0;gap:20px}
 .product-gallery,.mobility-apps,.scale-options,.coop-services{gap:18px}
 .product-caption{padding:12px 14px}
 .mobility-apps article{padding:16px}
 .mobility-apps h3{margin-bottom:10px}
 .mobility-apps p{margin:12px 0 8px;line-height:1.65}
 .mobility-loop{gap:26px}
 .mobility-loop-visual{padding:12px}
 .mobility-loop-steps{gap:7px}
 .mobility-loop-steps article{padding-top:10px;gap:14px}
 .matrix-heading{margin:4px 0 12px;gap:18px}
 .matrix-rail{gap:8px}
 .matrix-card{padding:10px}
 .matrix-card img{height:68px}
 .matrix-card strong{margin-top:8px}
 .matrix-stage{margin-bottom:8px}
 .matrix-details{margin-top:16px;padding-top:16px}
 .matrix-detail{gap:26px}
 .matrix-description h3,.matrix-description h4{margin:8px 0}
 .matrix-image-note{margin-top:12px}
 .coop-intro{margin-bottom:14px}
 .pilot-metrics>div,.pilot-metrics>button{padding-top:15px;padding-bottom:15px}
 .coop-panel{justify-content:flex-start}
 .coop-panel>.coop-services{flex:0 0 auto;align-items:start;padding-top:18px}
 .coop-services{margin-top:14px;gap:20px}
 .coop-services strong{margin-top:8px}
 .governance-band{margin-top:12px;padding:12px 16px}
 .scale-intro{margin:6px 0 16px;gap:24px}
 .coop-panel>.scale-options{flex:0 0 auto;align-items:start;margin-top:16px}
 .scale-options{gap:20px}
 .scale-options article{padding:14px 0;justify-content:flex-start}
 .scale-options h3{margin:10px 0}
 .scale-options strong{margin-top:12px}
 .scale-resources{padding:12px 0}
 .engine-story{gap:clamp(24px,3vw,48px)}
 .engine-story figure{min-height:330px}
 .engine-story-copy{padding:24px 0}
 .engine-story-copy h2{margin:16px 0 18px}
 .engine-story-copy p{line-height:1.7}
 #home .strategy-home{gap:clamp(24px,3vw,48px);padding-top:calc(var(--header-height) + 20px)}
 .strategy-content{padding:12px 0}
 .strategy-flow{margin-top:26px;gap:clamp(10px,1.2vw,20px)}
 .strategy-flow p{margin-top:8px;line-height:1.6}
 .strategy-road{margin-top:22px;padding-top:15px}
 .strategy-road>p{margin-bottom:9px}
 .strategy-steps{gap:10px}
 .strategy-steps>a{padding:13px 10px}
 .strategy-steps h3{margin:10px 0 6px}
 .transition-copy{align-items:stretch;text-align:left;gap:10px}
 .transition-copy p{width:min(78%,1100px);font-size:clamp(52px,5.6vw,96px);line-height:1.16}
 .transition-copy p:first-child{border-top:2px solid var(--primary);padding-top:18px}
 .transition-copy p:nth-child(2){align-self:flex-end;text-align:right;border-bottom:1px solid var(--border);padding-bottom:18px}
 .transition-copy>span{display:none}
}

/* Wide-screen composition: enlarge sparse editorial pages instead of leaving dead space. */
@media(min-width:1600px) and (min-height:850px){
 #company .company-intro{grid-template-columns:minmax(460px,.68fr) minmax(0,1.32fr);gap:clamp(42px,3vw,72px);align-items:stretch}
 #company .company-intro>div:first-child{display:flex;flex-direction:column;justify-content:center;border-top:2px solid var(--primary);border-bottom:1px solid var(--border);padding:clamp(28px,4vh,48px) 0}
 #company .company-intro h2{font-size:clamp(52px,3.35vw,76px);line-height:1.18}
 #company .intro-brand{font-size:clamp(22px,1.25vw,28px);margin:24px 0}
 #company .intro-facts strong{font-size:clamp(62px,4vw,88px)}
 #company .intro-facts span{font-size:15px}
 #company .company-photo{height:clamp(360px,42vh,470px);margin-bottom:26px}
 #company .intro-copy{align-self:center}
 #company .intro-copy>p{font-size:clamp(18px,1.05vw,22px);line-height:1.75;margin-bottom:18px}
 #company .intro-scope{font-size:16px;padding-top:18px}

 #company-experts .expert-layout{grid-template-columns:minmax(650px,.78fr) minmax(0,1.22fr);gap:clamp(44px,3vw,70px)}
 #company-experts .expert-name{min-height:570px;padding-left:clamp(370px,17vw,420px)}
 #company-experts .expert-photo{width:clamp(340px,15.5vw,390px)}
 #company-experts .expert-name h2{font-size:clamp(58px,3.4vw,78px);margin:24px 0}
 #company-experts .expert-name>p{font-size:19px}
 #company-experts .expert-stats{gap:32px;margin-top:34px}
 #company-experts .expert-stats strong{font-size:40px}
 #company-experts .expert-copy{align-self:center;border-top:2px solid var(--primary);border-bottom:1px solid var(--border);padding:38px 0}
 #company-experts .expert-copy h3{font-size:30px;margin:0 0 16px}
 #company-experts .expert-copy ul{font-size:19px;line-height:1.9;margin-bottom:20px}
 #company-experts .expert-milestones>div{padding:18px 0;gap:28px}
 #company-experts .expert-milestones b{font-size:30px}
 #company-experts .expert-milestones p{font-size:18px}
 #company-experts .expert-note{font-size:15px;margin-top:18px}

 #cooperation .pilot-metrics{min-height:230px}
 #cooperation .pilot-metrics>div,#cooperation .pilot-metrics>button{padding-top:28px;padding-bottom:28px}
 #cooperation .coop-panel>.coop-services{min-height:250px;align-items:stretch;padding-top:0;margin-top:18px}
 #cooperation .coop-services button{display:flex;flex-direction:column;justify-content:space-between;padding:24px 0 22px}
 #cooperation .coop-services h3{font-size:26px}
 #cooperation .coop-services p{font-size:17px}
 #cooperation .coop-services strong{font-size:42px}
 #cooperation .governance-band{min-height:58px;padding:16px 18px}
 #cooperation-scale .scale-intro{min-height:150px}
 #cooperation-scale .scale-intro>strong{font-size:82px}
 #cooperation-scale .coop-panel>.scale-options{min-height:310px;align-items:stretch}
 #cooperation-scale .scale-options article{justify-content:space-between;padding:26px 0}
 #cooperation-scale .scale-options h3{font-size:32px}
 #cooperation-scale .scale-options p{font-size:18px}
 #cooperation-scale .scale-resources{padding:20px 0;font-size:16px}
}

@media(min-width:1600px) and (min-height:850px){
 #company .company-photo{height:clamp(410px,46vh,510px)}
 #company-experts .expert-name{min-height:650px;padding-left:clamp(420px,19vw,470px)}
 #company-experts .expert-photo{width:clamp(390px,17.5vw,440px)}
 #company-experts .expert-copy{min-height:580px;display:flex;flex-direction:column;justify-content:center;padding:42px 0}
 #cooperation .pilot-metrics{min-height:250px}
 #cooperation .coop-panel>.coop-services{min-height:300px}
 #cooperation-scale .scale-intro{min-height:170px}
 #cooperation-scale .coop-panel>.scale-options{min-height:350px}
}

@media(max-width:900px),(max-height:620px){
 :root{--layout-header-gap:12px;--layout-section-gap:14px;--layout-grid-gap:14px;--layout-card-pad:14px}
 .slide:not(.home):not(.transition-slide)>.slide-inner{padding-top:24px;padding-bottom:68px}
 .slide-bottom{bottom:18px;padding-top:9px}
 .product-slide>.slide-inner>h2,
 #controller>.slide-inner>h2,
 #controller-loop>.slide-inner>h2{margin-bottom:14px}
 .product-slide .module-subnav,.engine-story-page .module-subnav{margin-bottom:14px}
 .company-intro,.expert-layout{gap:20px}
 .intro-brand{margin:14px 0}
 .intro-facts,.expert-stats{margin-top:16px}
 .expert-photo{margin-bottom:18px}
 .product-gallery{gap:14px}
 .product-caption{padding:12px 14px}
 .mobility-apps,.mobility-loop{gap:14px}
 .mobility-apps article{padding:14px}
 .mobility-apps p{margin:10px 0 8px}
 .mobility-loop-steps{gap:12px}
 .matrix-heading{margin:0 0 12px}
 .matrix-details{margin-top:16px;padding-top:16px}
 .matrix-detail{gap:14px}
 .coop-tabs{margin-top:14px}
 .coop-intro{margin-bottom:14px}
 .coop-services,.scale-options{gap:18px}
 .governance-band{margin-top:12px}
 .scale-intro{margin:18px 0}
 .engine-story{gap:18px}
 .engine-story figure{height:240px}
 .engine-story-copy{padding:18px 0 6px}
 .engine-story-copy h2{margin:12px 0 14px}
 .engine-story-copy p{line-height:1.7}
 #home .strategy-home{gap:18px;padding-top:calc(var(--header-height) + 18px);padding-bottom:72px}
 .strategy-flow{margin-top:20px;gap:10px}
 .strategy-flow article{padding-bottom:12px}
 .strategy-road{margin-top:18px}
 .strategy-steps{gap:12px}
 .transition-copy{align-items:stretch;justify-content:flex-start;text-align:left;gap:8px;padding-top:28px}
 .transition-copy p{width:100%;line-height:1.3}
 .transition-copy p:first-child{border-top:2px solid var(--primary);padding-top:14px}
 .transition-copy p:nth-child(2){text-align:right;border-bottom:1px solid var(--border);padding-bottom:14px}
 .transition-copy>span{display:none}
}

/* 公司介绍：参考品牌画册的左右分栏，保持内容页单屏与全局框架约束。 */
@media(min-width:901px) and (min-height:621px){
 #company .company-intro{
  grid-template-columns:minmax(270px,.32fr) minmax(0,1fr);
  gap:clamp(28px,3vw,48px);
  align-items:stretch;
 }
 #company .company-intro>div:first-child{
  position:relative;
  isolation:isolate;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
  padding:clamp(26px,3.2vw,48px) clamp(22px,2.2vw,36px);
  border-top:2px solid var(--primary);
  border-bottom:1px solid #cfdbed;
  background:linear-gradient(155deg,#f7fbff 0%,#edf5ff 72%,#e1efff 100%);
 }
 #company .company-intro>div:first-child::before{
  content:"";
  position:absolute;
  z-index:-1;
  inset:auto -22% -32% 18%;
  height:58%;
  background:radial-gradient(ellipse at 45% 80%,rgba(20,91,206,.18),transparent 67%);
  transform:rotate(-8deg);
 }
 #company .company-intro>div:first-child::after{
  content:"H₂";
  position:absolute;
  z-index:-1;
  right:18px;
  bottom:-18px;
  color:rgba(20,91,206,.08);
  font:600 clamp(90px,9vw,150px)/1 Arial,sans-serif;
 }
 #company .company-intro h2{
  margin:0;
  font-size:clamp(42px,3.25vw,60px);
  line-height:1.15;
  letter-spacing:-.045em;
 }
 #company .company-intro h2::after{
  content:"";
  display:block;
  width:54px;
  height:3px;
  margin-top:22px;
  background:var(--primary);
 }
 #company .intro-brand{font-size:clamp(17px,1.25vw,21px);margin:24px 0 30px}
 #company .intro-facts{margin:0;gap:0}
 #company .intro-facts strong{font-size:clamp(40px,3.3vw,58px);font-weight:500;line-height:1.1}
 #company .intro-facts span{font-size:14px;margin-top:10px;color:#52647f}
 #company .company-founded{margin-top:12px;color:#52647f}
 #company .intro-copy{
  align-self:stretch;
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-width:0;
 }
 #company .company-photo{
  height:clamp(235px,31vh,320px);
  margin-bottom:18px;
  border-radius:16px;
  background:#eaf2fc;
 }
 #company .company-photo img{object-position:center 56%}
 #company .intro-copy>p{
  font-size:clamp(15px,1vw,18px);
  line-height:1.65;
  margin:0 0 10px;
 }
 #company .intro-scope{
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:10px;
  margin-top:4px;
  padding-top:0;
  border-top:0;
 }
 #company .intro-scope span{
  display:flex;
  min-width:0;
  min-height:82px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:7px;
  padding:10px 6px;
  border:1px solid #dbe7f6;
  border-radius:10px;
  background:linear-gradient(180deg,#f2f7fd,#fff);
  color:#17243a;
  font-size:14px;
  font-weight:500;
  text-align:center;
  box-shadow:0 7px 18px rgba(24,83,164,.06);
 }
 #company .intro-scope span::before{
  display:grid;
  width:34px;
  height:34px;
  place-items:center;
  border-radius:50%;
  background:linear-gradient(145deg,#2a8cff,#0754c7);
  color:#fff;
  font-size:13px;
  font-weight:600;
  box-shadow:0 4px 10px rgba(15,83,190,.2);
 }
 #company .intro-scope span:nth-child(1)::before{content:"行"}
 #company .intro-scope span:nth-child(2)::before{content:"园"}
 #company .intro-scope span:nth-child(3)::before{content:"送"}
 #company .intro-scope span:nth-child(4)::before{content:"飞"}
 #company .intro-scope span:nth-child(5)::before{content:"运"}
 #company .intro-scope span:nth-child(6)::before{content:"艇"}
}

/* 产品矩阵参考稿：七类预览、当前产品聚焦、价值要点与演进路线。 */
#products-matrix .catalog-panel{display:flex;flex-direction:column;min-height:0}
#products-matrix .matrix-heading{display:flex;align-items:center;gap:18px;margin:0 0 10px;font-size:13px}
#products-matrix .matrix-heading>span{flex:0 0 auto;padding:5px 10px;border-left:3px solid var(--primary);background:#eef5ff;font-weight:600}
#products-matrix .matrix-heading p{margin:0;color:#587092;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#products-matrix .matrix-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
#products-matrix .matrix-card{position:relative;display:grid;grid-template-rows:auto 1fr auto;min-width:0;padding:8px 9px 9px;border:1px solid #dbe6f5;border-top:1px solid #dbe6f5;border-radius:9px;background:linear-gradient(180deg,#eef5fc,#fff);text-align:left;box-shadow:0 6px 14px rgba(25,82,158,.05);overflow:hidden}
#products-matrix .matrix-card[aria-selected=true]{border-color:#1681ff;background:linear-gradient(180deg,#e0f0ff,#fff);box-shadow:0 8px 18px rgba(22,112,225,.16)}
#products-matrix .matrix-stage{margin:0 0 5px;color:#183d75;font-size:10px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#products-matrix .matrix-card[aria-selected=true] .matrix-stage{margin:-8px -9px 6px;padding:7px 10px;background:linear-gradient(90deg,#137bf0,#3ea0ff);color:#fff}
#products-matrix .matrix-card img{width:100%;height:62px;padding:3px;object-fit:contain;object-position:center;background:rgba(255,255,255,.7);box-sizing:border-box}
#products-matrix .matrix-card strong{margin-top:6px;color:#14294a;font-size:13px;font-weight:600}
#products-matrix .matrix-card>i{position:absolute;right:8px;bottom:7px;display:grid;width:19px;height:19px;place-items:center;border:1px solid #bdd5f2;border-radius:50%;background:#fff;color:var(--primary);font:600 18px/1 Arial;font-style:normal}
#products-matrix .matrix-card[aria-selected=true]>i{border-color:var(--primary);background:var(--primary);color:#fff}
#products-matrix .matrix-switch-hint{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin:5px 0;color:#2180ed;font-size:11px;text-align:center}
#products-matrix .matrix-switch-hint span{height:1px;background:linear-gradient(90deg,transparent,#5aa7ff)}
#products-matrix .matrix-switch-hint span:last-child{background:linear-gradient(90deg,#5aa7ff,transparent)}
#products-matrix .matrix-details{flex:1;min-height:260px;margin:0;padding:0;border:1px solid #e1ebf7;border-top:0;border-radius:12px;background:radial-gradient(circle at 58% 55%,rgba(126,192,255,.22),transparent 32%),linear-gradient(145deg,#fbfdff,#eef6ff);overflow:hidden}
#products-matrix .matrix-detail{display:grid;grid-template-columns:minmax(250px,.9fr) minmax(300px,1.15fr) minmax(180px,.62fr);gap:18px;align-items:center;height:100%;min-height:260px;padding:16px 18px}
#products-matrix .matrix-detail[hidden]{display:none}
#products-matrix .matrix-description{min-width:0}
#products-matrix .matrix-eyebrow{display:inline-block;padding-left:10px;border-left:3px solid var(--primary);color:#176ed2;font-size:11px;font-weight:600}
#products-matrix .matrix-description h3{margin:8px 0 4px;color:#09265a;font-size:clamp(26px,2.2vw,36px);font-weight:700;line-height:1.15}
#products-matrix .matrix-description h4{margin:0 0 8px;color:#14294a;font-size:15px;font-weight:500;line-height:1.4}
#products-matrix .matrix-description>p{margin:0;color:#526a88;font-size:13px;line-height:1.55}
#products-matrix .matrix-capabilities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:12px}
#products-matrix .matrix-capabilities>span{display:grid;grid-template-columns:24px 1fr;gap:1px 6px;align-items:center;padding:7px;border-radius:8px;background:rgba(255,255,255,.82);box-shadow:0 4px 10px rgba(31,83,150,.06)}
#products-matrix .matrix-capabilities i{grid-row:1/3;display:grid;width:24px;height:24px;place-items:center;border-radius:50%;background:#e7f2ff;color:#1277e8;font-size:9px;font-style:normal;font-weight:700}
#products-matrix .matrix-capabilities b{font-size:11px;color:#173665;white-space:nowrap}
#products-matrix .matrix-capabilities small{font-size:8px;color:#72839a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#products-matrix .matrix-detail figure{position:relative;align-self:stretch;display:flex;min-width:0;min-height:0;margin:0;align-items:center;justify-content:center;background:radial-gradient(circle,#fff 0 34%,rgba(218,237,255,.72) 35% 52%,transparent 53%)}
#products-matrix .matrix-detail figure::after{content:"H₂";position:absolute;z-index:0;color:rgba(39,130,230,.08);font:700 72px/1 Arial,sans-serif}
#products-matrix .matrix-detail figure img{position:relative;z-index:1;width:100%;height:100%;max-height:245px;object-fit:contain;background:transparent;filter:drop-shadow(0 14px 12px rgba(35,74,117,.16))}
#products-matrix .matrix-detail figcaption{position:absolute;z-index:2;right:8px;bottom:3px;color:#6f8198;font-size:9px}
#products-matrix .matrix-values{display:grid;gap:8px;padding:10px;border:1px solid #d8e7f8;border-radius:11px;background:rgba(242,248,255,.84)}
#products-matrix .matrix-values>div{display:grid;grid-template-columns:34px 1fr;gap:9px;align-items:center;padding:8px;border-radius:8px;background:rgba(255,255,255,.92)}
#products-matrix .matrix-values>div>i{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:linear-gradient(145deg,#40a4ff,#1168dc);color:#fff;font-style:normal;font-weight:700}
#products-matrix .matrix-values span{display:flex;min-width:0;flex-direction:column;gap:2px}
#products-matrix .matrix-values b{color:#16335f;font-size:12px}
#products-matrix .matrix-values small{color:#75869d;font-size:9px}
#products-matrix .matrix-roadmap{display:grid;grid-template-columns:1.2fr repeat(4,minmax(0,1fr));gap:8px;align-items:center;margin-top:8px;padding:7px 12px;border:1px solid #e0ebf7;border-radius:11px;background:linear-gradient(90deg,#f3f8ff,#fff)}
#products-matrix .matrix-roadmap>div{display:flex;min-width:0;flex-direction:column;gap:3px}
#products-matrix .matrix-roadmap>div b{color:#176ed2;font-size:12px}
#products-matrix .matrix-roadmap>div span{color:#6d8099;font-size:9px;line-height:1.35}
#products-matrix .matrix-roadmap-item{position:relative;display:grid;grid-template-columns:38px 1fr;grid-template-rows:auto auto;column-gap:7px;align-items:center;min-width:0}
#products-matrix .matrix-roadmap-item:not(:last-child)::after{content:"›";position:absolute;right:-7px;color:#3390f3;font-size:18px}
#products-matrix .matrix-roadmap-item>i{grid-row:1/3;display:grid;width:38px;height:38px;place-items:center;border:1px solid #cfe2f8;border-radius:50%;background:#fff;overflow:hidden}
#products-matrix .matrix-roadmap-item img{width:34px;height:34px;object-fit:contain}
#products-matrix .matrix-roadmap-item b{font-size:10px;color:#17345f;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#products-matrix .matrix-roadmap-item small{font-size:8px;color:#73849a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#products-matrix .matrix-roadmap-item.is-active>i{border-color:#1681ff;box-shadow:0 0 0 3px rgba(22,129,255,.12)}
#products-matrix .matrix-roadmap-item.is-active b{color:#0871df}
@media(min-width:1600px) and (min-height:850px){
 #products-matrix .matrix-card img{height:76px}
 #products-matrix .matrix-card strong{font-size:15px}
 #products-matrix .matrix-details{min-height:330px}
 #products-matrix .matrix-detail{min-height:330px;padding:20px 24px;gap:24px}
 #products-matrix .matrix-detail figure img{max-height:300px}
 #products-matrix .matrix-description>p{font-size:15px}
 #products-matrix .matrix-capabilities b{font-size:12px}
 #products-matrix .matrix-values b{font-size:14px}
 #products-matrix .matrix-roadmap{padding:10px 16px}
 #products-matrix .matrix-roadmap-item{grid-template-columns:46px 1fr}
 #products-matrix .matrix-roadmap-item>i{width:46px;height:46px}
 #products-matrix .matrix-roadmap-item img{width:42px;height:42px}
}
@media(min-width:901px) and (max-height:820px){
 #products-matrix .matrix-heading{margin-bottom:6px}
 #products-matrix .matrix-card{padding:6px 7px}
 #products-matrix .matrix-card[aria-selected=true] .matrix-stage{margin:-6px -7px 4px;padding:5px 8px}
 #products-matrix .matrix-card img{height:46px}
 #products-matrix .matrix-card strong{font-size:11px;margin-top:4px}
 #products-matrix .matrix-card>i{width:16px;height:16px;bottom:5px}
 #products-matrix .matrix-switch-hint{margin:3px 0}
 #products-matrix .matrix-details{min-height:230px}
 #products-matrix .matrix-detail{min-height:230px;padding:10px 14px;gap:12px}
 #products-matrix .matrix-description h3{font-size:24px;margin:5px 0 3px}
 #products-matrix .matrix-description h4{font-size:13px;margin-bottom:5px}
 #products-matrix .matrix-description>p{font-size:11px;line-height:1.45}
 #products-matrix .matrix-capabilities{margin-top:7px;gap:4px}
 #products-matrix .matrix-capabilities>span{padding:5px;grid-template-columns:20px 1fr}
 #products-matrix .matrix-capabilities i{width:20px;height:20px}
 #products-matrix .matrix-detail figure img{max-height:210px}
 #products-matrix .matrix-values{gap:5px;padding:7px}
 #products-matrix .matrix-values>div{grid-template-columns:28px 1fr;padding:5px}
 #products-matrix .matrix-values>div>i{width:28px;height:28px}
 #products-matrix .matrix-roadmap{margin-top:5px;padding:5px 10px}
 #products-matrix .matrix-roadmap-item{grid-template-columns:30px 1fr}
 #products-matrix .matrix-roadmap-item>i{width:30px;height:30px}
 #products-matrix .matrix-roadmap-item img{width:27px;height:27px}
}
@media(max-width:900px),(max-height:620px){
 #products-matrix .matrix-heading{display:block;line-height:1.6}
 #products-matrix .matrix-heading p{white-space:normal;margin-top:8px}
 #products-matrix .matrix-rail{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 #products-matrix .matrix-card img{height:112px}
 #products-matrix .matrix-switch-hint{margin:10px 0}
 #products-matrix .matrix-details{min-height:0;overflow:visible}
 #products-matrix .matrix-detail{grid-template-columns:1fr;gap:14px;height:auto;min-height:0;padding:18px}
 #products-matrix .matrix-detail figure{height:260px;grid-row:1}
 #products-matrix .matrix-description{grid-row:2}
 #products-matrix .matrix-values{grid-row:3}
 #products-matrix .matrix-capabilities{grid-template-columns:1fr}
 #products-matrix .matrix-roadmap{display:flex;overflow-x:auto;gap:14px;padding:12px}
 #products-matrix .matrix-roadmap>div{flex:0 0 140px}
 #products-matrix .matrix-roadmap-item{flex:0 0 105px}
}

/* 公司介绍设计稿还原：大图主导、两行品牌标题、场景图标卡片。 */
@media(min-width:901px) and (min-height:621px){
 #company .company-intro{grid-template-columns:minmax(320px,.35fr) minmax(0,1fr);gap:clamp(34px,3vw,48px)}
 #company .company-intro>div:first-child{justify-content:flex-start;padding:clamp(68px,8vh,86px) 52px 42px 32px;clip-path:polygon(0 0,100% 0,90% 100%,0 100%)}
 #company .company-intro h2{font-size:clamp(44px,3.25vw,56px);font-weight:700;line-height:1.1;letter-spacing:-.055em}
 #company .company-intro h2 span{display:block;white-space:nowrap}
 #company .company-intro h2 span:last-child{color:var(--primary)}
 #company .company-intro h2::after{width:56px;height:3px;margin-top:24px}
 #company .intro-brand{font-size:18px;margin:24px 0 34px}
 #company .intro-facts strong{font-size:46px;font-weight:600}
 #company .intro-facts strong::before{content:"";display:inline-block;width:27px;height:32px;margin-right:10px;vertical-align:-3px;background:radial-gradient(circle at 50% 39%,#fff 0 12%,transparent 14%),var(--primary);clip-path:polygon(50% 100%,22% 65%,12% 48%,13% 30%,23% 14%,38% 5%,50% 2%,62% 5%,77% 14%,87% 30%,88% 48%,78% 65%)}
 #company .company-founded::after{content:"绿色能源\A智慧交通\A美好生活\A\A HYDROGEN ENERGY\A A CLEANER TOMORROW";position:absolute;left:32px;bottom:30px;white-space:pre;color:#5a6d89;font:400 11px/1.65 var(--sans);letter-spacing:.12em}
 #company .intro-copy{justify-content:flex-start}
 #company .intro-copy::before{content:"氢 能 驱 动 未 来　　绿 色 出 行 让 生 活 更 美 好";display:block;min-height:22px;padding-top:2px;border-top:1px solid #cbd9ed;color:#6c7c94;font-size:11px;letter-spacing:.3em;text-align:right}
 #company .company-photo{position:relative;flex:0 0 auto;height:clamp(330px,40vh,370px);margin:6px 0 16px;border-radius:14px}
 #company .company-photo::before{content:"氢启新出行\A共建零碳未来";position:absolute;z-index:2;top:28px;left:34px;white-space:pre;color:#fff;font-size:18px;line-height:1.45;letter-spacing:.08em;text-shadow:0 2px 12px rgba(0,45,106,.45)}
 #company .company-photo::after{content:"HYDROGEN · FOR A BRIGHTER TOMORROW";position:absolute;z-index:2;right:24px;bottom:16px;color:rgba(255,255,255,.9);font-size:9px;letter-spacing:.24em;text-shadow:0 2px 8px rgba(0,40,90,.55)}
 #company .intro-copy>p{font-size:15px;line-height:1.55;margin-bottom:8px}
 #company .intro-scope{grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-top:2px}
 #company .intro-scope::after{content:"—　氢 能 · 低 碳 · 智 慧 出 行";grid-column:1/-1;justify-self:end;margin-top:5px;color:#71819a;font-size:10px;letter-spacing:.22em}
 #company .intro-scope span{min-height:94px;gap:8px;padding:10px 5px;border-radius:9px;font-size:14px;font-weight:600}
 #company .intro-scope span::before{content:none!important;display:none!important}
 #company .scope-icon{display:grid;width:40px;height:40px;place-items:center;border-radius:50%;background:linear-gradient(145deg,#2994ff,#0752c9);box-shadow:0 5px 12px rgba(8,79,185,.25)}
 #company .scope-icon svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
}
@media(min-width:1600px) and (min-height:850px){
 #company .company-intro{grid-template-columns:minmax(390px,.34fr) minmax(0,1fr);gap:28px}
 #company .company-intro>div:first-child{padding:96px 24px 52px 44px}
 #company .company-intro h2{font-size:52px}
 #company .company-photo{height:clamp(410px,44vh,490px)}
 #company .intro-copy>p{font-size:clamp(16px,1vw,20px);line-height:1.6}
 #company .intro-scope span{min-height:104px;font-size:16px}
 #company .scope-icon{width:48px;height:48px}
 #company .scope-icon svg{width:28px;height:28px}
}
@media(min-width:901px) and (max-height:820px){
 #company .company-intro{grid-template-columns:minmax(275px,.32fr) minmax(0,1fr);gap:28px}
 #company .company-intro>div:first-child{padding:42px 42px 28px 26px}
 #company .company-intro h2{font-size:38px}
 #company .intro-brand{margin:15px 0 20px}
 #company .company-founded::after{display:none}
 #company .intro-copy::before{min-height:18px;font-size:9px}
 #company .company-photo{height:270px;margin:4px 0 10px}
 #company .company-photo::before{top:18px;left:24px;font-size:14px}
 #company .intro-copy>p{font-size:14px;line-height:1.45;margin-bottom:6px}
 #company .intro-scope span{min-height:70px;gap:5px;font-size:12px;padding:6px 3px}
 #company .scope-icon{width:30px;height:30px}
 #company .scope-icon svg{width:18px;height:18px}
 #company .intro-scope::after{display:none}
}
@media(max-width:900px),(max-height:620px){
 #company .company-intro h2 span{display:block}
 #company .company-intro h2 span:last-child{color:var(--primary)}
 #company .intro-copy::before{content:"氢能驱动未来 · 让生活更美好";display:block;padding-top:8px;border-top:1px solid #cbd9ed;color:#71819a;font-size:11px;letter-spacing:.08em;text-align:right}
 #company .company-photo{position:relative;height:230px;margin-top:4px}
 #company .company-photo::before{content:"氢启新出行\A共建零碳未来";position:absolute;z-index:2;top:18px;left:20px;white-space:pre;color:#fff;font-size:15px;line-height:1.45;text-shadow:0 2px 8px rgba(0,40,90,.5)}
 #company .company-photo::after{content:"HYDROGEN · BETTER LIFE";position:absolute;z-index:2;right:14px;bottom:12px;color:#fff;font-size:8px;letter-spacing:.15em}
 #company .intro-scope span::before{content:none!important;display:none!important}
 #company .scope-icon{display:grid;width:36px;height:36px;place-items:center;border-radius:50%;background:var(--primary)}
 #company .scope-icon svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
}
@media(min-width:1600px) and (min-height:850px){
 #company .company-intro h2{font-size:clamp(58px,3.3vw,74px)}
 #company .company-photo{height:clamp(360px,39vh,440px)}
 #company .intro-scope span{min-height:92px;font-size:15px}
 #company .intro-scope span::before{width:40px;height:40px;font-size:14px}
}
@media(min-width:901px) and (max-height:820px){
 #company .company-intro{grid-template-columns:minmax(250px,.3fr) minmax(0,1fr);gap:28px}
 #company .company-intro>div:first-child{padding:20px 24px}
 #company .company-intro h2{font-size:38px}
 #company .company-intro h2::after{margin-top:14px}
 #company .intro-brand{margin:16px 0 20px}
 #company .intro-facts strong{font-size:38px}
 #company .company-photo{height:205px;margin-bottom:12px}
 #company .intro-copy>p{font-size:15px;line-height:1.55;margin-bottom:7px}
 #company .intro-scope span{min-height:68px;padding:7px 4px;font-size:13px}
 #company .intro-scope span::before{width:28px;height:28px;font-size:11px}
}
@media(max-width:900px),(max-height:620px){
 #company .company-intro{gap:18px}
 #company .company-intro>div:first-child{
  padding:22px 20px;
  border-top:2px solid var(--primary);
  background:linear-gradient(145deg,#f7fbff,#edf5ff);
 }
 #company .company-intro h2{font-size:clamp(34px,9vw,44px);line-height:1.18}
 #company .intro-brand{margin:16px 0}
 #company .intro-facts strong{font-size:42px}
 #company .company-photo{height:220px;margin-bottom:16px;border-radius:12px}
 #company .intro-copy>p{font-size:16px;line-height:1.7;margin-bottom:12px}
 #company .intro-scope{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-top:0;border-top:0}
 #company .intro-scope span{display:flex;min-height:74px;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:10px;border:1px solid #dbe7f6;border-radius:9px;background:#f5f8fc;text-align:center}
 #company .intro-scope span::before{display:grid;width:32px;height:32px;place-items:center;border-radius:50%;background:var(--primary);color:#fff;font-size:12px;font-weight:600}
 #company .intro-scope span:nth-child(1)::before{content:"行"}
 #company .intro-scope span:nth-child(2)::before{content:"园"}
 #company .intro-scope span:nth-child(3)::before{content:"送"}
 #company .intro-scope span:nth-child(4)::before{content:"飞"}
 #company .intro-scope span:nth-child(5)::before{content:"运"}
 #company .intro-scope span:nth-child(6)::before{content:"艇"}
}

/* GPT Image 生成的产品矩阵视觉背景与动态表现。 */
#products-matrix{background:#fff;isolation:isolate}
#products-matrix::before{content:"";position:absolute;z-index:0;inset:0;background:var(--page-image-99248d148f, url("../assets/optimized/matrix-background-gpt-image-2-2b5e46f788c2.webp")) center top/cover no-repeat;opacity:.46;pointer-events:none}
#products-matrix>.slide-inner,#products-matrix>.slide-bottom{position:relative;z-index:1}
#products-matrix>.slide-inner>h2{position:relative;margin-top:0;color:#081d4e;font-weight:700;letter-spacing:-.04em}
#products-matrix>.slide-inner>h2::before{content:"02  SECTION　│　TECHNOLOGY TO APPLICATION";display:block;margin-bottom:8px;color:#3183e8;font:600 10px/1.2 var(--mono);letter-spacing:.13em}
#products-matrix>.slide-inner>h2::after{content:"CLEAN ENERGY · FOR A BETTER TOMORROW";position:absolute;right:0;top:2px;color:#6682ad;font:500 9px/1.2 var(--mono);letter-spacing:.22em}
#products-matrix .matrix-card{transform:translateY(0);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease}
#products-matrix .matrix-card:hover{transform:translateY(-4px);border-color:#66adff;box-shadow:0 12px 24px rgba(16,105,214,.14)}
#products-matrix .matrix-card[aria-selected=true]{animation:matrix-card-glow 2.4s ease-in-out infinite}
#products-matrix .matrix-switch-hint b::before{content:"»";display:inline-block;margin-right:7px;animation:matrix-hint-shift 1.2s ease-in-out infinite}
#products-matrix .matrix-switch-hint b::after{content:"«";display:inline-block;margin-left:7px;animation:matrix-hint-shift-reverse 1.2s ease-in-out infinite}
#products-matrix .matrix-detail.matrix-enter{animation:matrix-panel-in .48s cubic-bezier(.2,.72,.2,1) both}
#products-matrix .matrix-detail.matrix-enter .matrix-description{animation:matrix-copy-in .48s .05s ease both}
#products-matrix .matrix-detail.matrix-enter figure{animation:matrix-product-in .55s .04s cubic-bezier(.2,.72,.2,1) both}
#products-matrix .matrix-detail.matrix-enter .matrix-values>div{animation:matrix-value-in .4s ease both}
#products-matrix .matrix-detail.matrix-enter .matrix-values>div:nth-child(1){animation-delay:.12s}
#products-matrix .matrix-detail.matrix-enter .matrix-values>div:nth-child(2){animation-delay:.2s}
#products-matrix .matrix-detail.matrix-enter .matrix-values>div:nth-child(3){animation-delay:.28s}
#products-matrix .matrix-detail figure::before{content:"";position:absolute;z-index:0;width:68%;aspect-ratio:1;border:1px solid rgba(70,159,255,.26);border-radius:50%;box-shadow:0 0 0 22px rgba(106,179,255,.07),0 0 0 48px rgba(106,179,255,.035);animation:matrix-orbit-pulse 3.6s ease-in-out infinite}
#products-matrix .matrix-detail figure img{transition:transform .5s ease,filter .5s ease}
#products-matrix .matrix-detail:hover figure img{transform:translateY(-5px) scale(1.015);filter:drop-shadow(0 18px 14px rgba(35,74,117,.22))}
#products-matrix .matrix-values>div>i{position:relative;overflow:hidden}
#products-matrix .matrix-values>div>i::after{content:"";position:absolute;inset:-40%;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.75) 50%,transparent 65%);transform:translateX(-80%);animation:matrix-icon-shine 3s ease-in-out infinite}
#products-matrix .matrix-roadmap-item.is-active>i{animation:matrix-road-pulse 1.8s ease-in-out infinite}
#products-matrix .matrix-roadmap-item:not(:last-child)::before{content:"";position:absolute;right:-10px;top:50%;width:14px;height:1px;background:linear-gradient(90deg,#7ebcff,#1d7ce8);background-size:200% 100%;animation:matrix-route-flow 1.4s linear infinite}
@keyframes matrix-panel-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes matrix-copy-in{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:none}}
@keyframes matrix-product-in{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
@keyframes matrix-value-in{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
@keyframes matrix-card-glow{0%,100%{box-shadow:0 8px 18px rgba(22,112,225,.14)}50%{box-shadow:0 10px 26px rgba(22,112,225,.28)}}
@keyframes matrix-orbit-pulse{0%,100%{transform:scale(.96);opacity:.65}50%{transform:scale(1.04);opacity:1}}
@keyframes matrix-road-pulse{0%,100%{box-shadow:0 0 0 3px rgba(22,129,255,.1)}50%{box-shadow:0 0 0 7px rgba(22,129,255,.18)}}
@keyframes matrix-route-flow{to{background-position:-200% 0}}
@keyframes matrix-icon-shine{0%,55%{transform:translateX(-90%)}80%,100%{transform:translateX(90%)}}
@keyframes matrix-hint-shift{50%{transform:translateX(4px)}}
@keyframes matrix-hint-shift-reverse{50%{transform:translateX(-4px)}}
@media(max-width:900px),(max-height:620px){
 #products-matrix::before{background-position:center top;opacity:.35}
 #products-matrix>.slide-inner>h2::after{display:none}
 #products-matrix>.slide-inner>h2::before{font-size:9px;letter-spacing:.08em}
 #products-matrix .matrix-detail figure::before{width:58%}
}
@media(prefers-reduced-motion:reduce){
 #products-matrix .matrix-card,#products-matrix .matrix-card[aria-selected=true],#products-matrix .matrix-switch-hint b::before,#products-matrix .matrix-switch-hint b::after,#products-matrix .matrix-detail.matrix-enter,#products-matrix .matrix-detail.matrix-enter .matrix-description,#products-matrix .matrix-detail.matrix-enter figure,#products-matrix .matrix-detail.matrix-enter .matrix-values>div,#products-matrix .matrix-detail figure::before,#products-matrix .matrix-values>div>i::after,#products-matrix .matrix-roadmap-item.is-active>i,#products-matrix .matrix-roadmap-item:not(:last-child)::before{animation:none!important;transition:none!important}
}

#products-matrix{max-width:100vw;overflow-x:clip}
#products-matrix .matrix-roadmap{max-width:100%;box-sizing:border-box}