.echo-page{--echo-space:clamp(48px,6vw,80px);font-variant-numeric:lining-nums;overflow-wrap:break-word}
.echo-page ::selection{background:var(--green);color:var(--white)}
.echo-page h1,.echo-page h2,.echo-page h3{text-wrap:balance}
.echo-page a{text-underline-offset:.22em}
.echo-page [id]{scroll-margin-top:100px}
.echo-page .echo-note{font-size:14px;color:var(--muted);line-height:1.6}
.echo-hero{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding-top:32px;padding-bottom:40px}
.echo-hero .breadcrumbs{margin:0 0 32px}
.echo-hero h1{font-size:clamp(52px,5.7vw,82px);line-height:1.02;font-weight:500;margin:0 0 24px}
.echo-hero-copy>p{max-width:43ch;font-size:18px;line-height:1.65}
.echo-actions{display:flex;align-items:flex-start;gap:20px;flex-direction:column;margin:30px 0 18px}
.echo-actions .btn{white-space:normal;line-height:1.35;text-align:center;padding:16px 24px;min-height:52px}
.echo-hero-photo{margin:0;position:relative}
.echo-hero-photo img{width:100%;height:580px;max-height:calc(100svh - 150px);min-height:390px;object-fit:cover;object-position:center 58%;display:block}
.echo-hero-photo figcaption{position:absolute;bottom:12px;left:12px;background:var(--dark);color:var(--white);padding:5px 9px;font-size:12px}
.echo-jump{display:flex;gap:32px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-top:12px;padding-bottom:12px}
.echo-jump a{font-size:15px;min-height:44px;display:flex;align-items:center;color:var(--green)}
.echo-section{padding-top:var(--echo-space);padding-bottom:var(--echo-space)}
.echo-section-head{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-bottom:42px}
.echo-page h2{font-size:clamp(38px,4.1vw,58px);font-weight:500;line-height:1.08;margin:0 0 24px}
.echo-page h3{font-size:32px;font-weight:500;line-height:1.2;margin:30px 0 16px}
.echo-page p{max-width:68ch}
.echo-models{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.echo-compare{width:100%;border-collapse:collapse;table-layout:fixed;margin:0 0 44px;font-size:16px;text-align:left;font-variant-numeric:tabular-nums}
.echo-compare caption{text-align:left;font-size:20px;margin-bottom:16px;color:var(--text)}
.echo-compare th,.echo-compare td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:normal}
.echo-compare th{font-weight:500}.echo-compare thead th{border-bottom-color:var(--green)}
.echo-compare a{color:var(--green);display:flex;align-items:center;min-height:44px;text-decoration:underline}
.echo-model{display:flex;flex-direction:column;border-top:1px solid var(--text);padding-top:20px;min-width:0}
.echo-model-heading h3{margin:0 0 6px}
.echo-model-heading p{font-size:24px;color:var(--green);margin:0}
.echo-model-heading span{font-size:14px;color:var(--muted)}
.echo-model figure{display:flex;align-items:center;height:164px;margin:26px 0 20px}
.echo-model figure>a{display:flex;background:white;align-items:center;height:164px}
.echo-model figure img{width:100%;height:auto;max-height:100%;object-fit:contain;display:block}
.echo-model figcaption a{display:inline-flex;min-height:44px;align-items:center;font-size:14px;color:var(--green);text-decoration:underline}
.echo-model>p{font-size:16px;min-height:78px;margin:0 0 20px}
.echo-model dl{margin:0 0 24px;font-size:14px;font-variant-numeric:tabular-nums}
.echo-model dl div{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:12px 0}
.echo-model dt{color:var(--muted)}
.echo-model dd{text-align:right;margin:0}
.echo-model small{display:block;font-size:12px;color:var(--muted)}
.echo-model>.link{margin-top:auto;min-height:44px;display:inline-flex;align-items:center;align-self:flex-start}
.echo-explore{background:var(--dark);color:var(--bg);padding:var(--echo-space) 0}
.echo-explore .echo-note{color:var(--sand)}
.echo-viewer-frame{position:relative;background:var(--bg);min-height:440px;color:var(--text)}
.echo-viewer-frame #echo-model-host{position:absolute;inset:0}
.echo-viewer-placeholder{position:relative;z-index:1;height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:var(--dark);color:var(--bg);padding:24px;text-align:center}
.echo-viewer-placeholder[hidden],.echo-viewer-placeholder button[hidden]{display:none}
.echo-viewer-placeholder p{margin:0}
.echo-viewer-placeholder button{white-space:normal;min-width:220px;max-width:90%;padding:16px}
.echo-viewer-placeholder button:disabled{opacity:.7;cursor:wait}
.echo-viewer-frame model-viewer{display:block;width:100%;height:440px;touch-action:pan-y;--progress-bar-color:var(--green);--poster-color:var(--bg)}
.echo-view-controls{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.echo-view-controls[hidden]{display:none}
.echo-view-controls button{min-height:44px;padding:10px 18px;border:1px solid var(--sand);background:transparent;color:var(--bg);font:inherit;font-size:14px;cursor:pointer}
.echo-view-controls button:hover{background:var(--mid)}
.echo-explore :focus-visible{outline-color:var(--sand)}
.echo-film{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:64px}
.echo-film video{display:block;width:100%;height:auto;background:var(--dark);max-height:540px;object-fit:contain}
.echo-scope{background:var(--green-light)}
.echo-scope-copy{max-width:850px;columns:2;column-gap:64px}
.echo-scope-copy>p:first-child{column-span:all;max-width:68ch;margin-bottom:36px}
.echo-scope-copy h3{break-after:avoid;margin-top:0}
.echo-scope-copy p{break-inside:avoid;margin-bottom:28px}
.echo-logistics{border-top:1px solid var(--green);margin-top:28px;padding-top:12px}
.echo-questions{max-width:940px}
.echo-questions h3{font-size:28px}
.echo-questions p{max-width:70ch}
.echo-close{background:var(--green);color:var(--white)}
.echo-close .wrap{max-width:940px}
.echo-close .btn{background:var(--bg);color:var(--green);margin:18px 0;white-space:normal;text-align:center;padding:16px 24px;line-height:1.35}
.echo-close .btn:hover{background:var(--green-light)}
.echo-close .echo-note{color:var(--green-light);max-width:70ch}
.echo-close :focus-visible{outline-color:var(--sand)}
.echo-source{padding-top:32px;padding-bottom:42px;font-size:14px;color:var(--muted)}
.echo-source a{color:var(--green);text-decoration:underline}
.echo-explore .echo-section-head p+p{margin-top:16px}
.echo-viewer-heading{max-width:24ch}
.echo-viewer-context{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid var(--muted);padding-top:24px;margin-top:24px;font-size:15px;color:var(--sand)}
.echo-engineering{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,1fr);gap:32px;align-items:start}
.echo-engineering-visual{min-width:0}
.echo-engineering .echo-viewer-frame{background:var(--dark);border:1px solid var(--muted)}
.echo-engineering canvas{display:block;width:100%;height:100%;touch-action:pan-y}
.echo-system-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.echo-system-tabs button{min-height:44px;padding:10px 14px;border:1px solid var(--sand);background:transparent;color:var(--bg);font:500 14px/1.4 var(--sans);cursor:pointer}
.echo-system-tabs button[aria-pressed="true"]{background:var(--sand);color:var(--dark)}
.echo-system-tabs button:hover:not(:disabled){border-color:var(--white)}
.echo-engineering button:disabled{opacity:.5;cursor:not-allowed}
.echo-engineering .echo-view-controls{gap:8px;margin-top:12px}
.echo-engineering .echo-view-controls button{padding:10px 12px;flex:1 1 auto}
.echo-system-info h3{font-size:30px;margin:0 0 16px}
.echo-system-info>p{font-size:16px;line-height:1.6;margin:0 0 20px}
.echo-system-info .echo-selected-part{padding:12px 0;border-top:1px solid var(--muted);border-bottom:1px solid var(--muted);color:var(--sand);min-height:52px;margin-bottom:16px}
.echo-system-info label{display:block;font-size:14px;margin-bottom:8px;color:var(--bg)}
.echo-system-info select{width:100%;max-width:100%;min-height:44px;padding:10px;background:var(--bg);color:var(--text);border:1px solid var(--sand);font:16px var(--sans)}
.echo-demo-scope{margin-top:28px}
.echo-demo-scope h3{font-size:26px;margin-bottom:12px}
.echo-demo-scope p{font-size:15px;line-height:1.6;margin-bottom:20px}
.echo-demo-scope .btn{height:auto;white-space:normal;line-height:1.4;padding:14px 18px;text-align:center;width:100%}
.echo-demo-scope .link{color:var(--sand);display:block;min-height:44px}
#echo-view-status{margin-top:20px}
.echo-engineering:fullscreen{background:var(--dark);color:var(--bg);width:100%;height:100%;padding:24px;overflow:auto}
.echo-engineering:fullscreen .echo-viewer-frame,.echo-engineering:fullscreen .echo-viewer-placeholder{height:calc(100dvh - 220px);min-height:300px}
.echo-engineering.is-expanded{grid-template-columns:1fr}
.echo-engineering.is-expanded .echo-viewer-frame,.echo-engineering.is-expanded .echo-viewer-placeholder{height:70vh;min-height:440px}
#made{padding-top:48px}
.home-echo-preview{margin-bottom:44px;scroll-margin-top:88px;color:var(--bg)}
.home-echo-preview .echo-engineering{align-items:center}
.home-echo-preview .echo-engineering:not(:fullscreen):not(.is-expanded) .echo-viewer-frame,.home-echo-preview .echo-engineering:not(:fullscreen):not(.is-expanded) .echo-viewer-placeholder{height:340px;min-height:340px}
.home-echo-preview .home-echo-copy h2{font-size:clamp(34px,3.6vw,48px);line-height:1.08;margin:0 0 18px;text-wrap:balance}
.home-echo-copy>p{font-size:18px;line-height:1.55;max-width:32ch;margin:0 0 24px}
.home-echo-copy .btn{height:auto;min-height:48px;padding:14px 22px;white-space:normal;line-height:1.3;text-align:center}
.home-echo-copy .home-echo-note{font-size:14px;color:var(--sand);line-height:1.55;margin:18px 0 0;max-width:40ch}
.home-echo-preview #echo-view-status{font-size:13px;line-height:1.5;color:var(--sand);margin:12px 0 0}
.home-echo-preview :focus-visible{outline-color:var(--sand)}
.home-echo-preview ::selection{background:var(--sand);color:var(--dark)}
.home-echo-preview .echo-engineering:fullscreen{grid-template-columns:1fr}
.home-echo-preview .echo-engineering:fullscreen .home-echo-copy{display:none}
@media(max-width:760px){#made{padding-top:28px}.home-echo-preview{margin-bottom:36px}.home-echo-preview .echo-engineering{gap:24px}.home-echo-preview .echo-engineering:not(:fullscreen):not(.is-expanded) .echo-viewer-frame,.home-echo-preview .echo-engineering:not(:fullscreen):not(.is-expanded) .echo-viewer-placeholder{height:280px;min-height:280px}.home-echo-copy>p{font-size:16px;margin-bottom:18px}.home-echo-preview .home-echo-copy h2{margin-bottom:12px}}
@media(max-width:900px){.echo-engineering{grid-template-columns:1fr;gap:28px}.echo-system-info{max-width:68ch}.echo-system-info .echo-demo-scope{border-top:1px solid var(--muted);padding-top:24px}.echo-engineering:fullscreen{padding:16px}}
@media(max-width:1100px){.echo-hero,.echo-section-head,.echo-film{gap:32px}.echo-models{gap:20px}.echo-model dl div{flex-direction:column;gap:3px}.echo-model dd{text-align:left}.echo-jump{gap:24px}}
@media(max-width:760px){.echo-hero{grid-template-columns:1fr;gap:28px;padding-top:20px}.echo-hero .breadcrumbs{margin-bottom:24px}.echo-hero h1{font-size:52px;margin-bottom:20px}.echo-hero h1 br:last-child{display:none}.echo-hero-copy>p{font-size:17px}.echo-actions{margin:24px 0 12px;gap:14px}.echo-hero-photo img{height:350px;min-height:0;max-height:none;object-position:center 60%}.echo-jump{gap:4px 22px;justify-content:space-between}.echo-jump a{font-size:14px}.echo-section-head,.echo-film{grid-template-columns:1fr;gap:8px}.echo-section-head{margin-bottom:32px}.echo-models{grid-template-columns:1fr;gap:42px}.echo-model{padding-top:20px}.echo-model figure>a{height:auto;min-height:120px;padding:10px 0}.echo-model figure{margin:18px 0 8px}.echo-model>p{min-height:0}.echo-model dl div{flex-direction:row}.echo-model dd{text-align:right}.echo-scope-copy{columns:auto}.echo-scope-copy h3{margin-top:30px}.echo-viewer-frame,.echo-viewer-placeholder,.echo-viewer-frame model-viewer{min-height:300px;height:340px}.echo-film{gap:28px}.echo-page h2 br{display:none}.echo-page h2{font-size:40px}.echo-view-controls{gap:8px}.echo-view-controls button{flex:1 1 40%}.echo-close .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.echo-page *{scroll-behavior:auto;animation:none!important;transition:none!important}}
@media(max-width:760px){.echo-hero{gap:18px}.echo-hero .breadcrumbs{margin-bottom:18px}.echo-hero h1{font-size:46px;line-height:1.04;margin-bottom:16px}.echo-hero h1 br:last-child{display:initial}.echo-hero-copy>p{font-size:16px;line-height:1.5}.echo-hero-copy>.echo-note{font-size:13px;margin-bottom:0}.echo-actions{margin:18px 0 10px;gap:4px}.echo-actions>.link{display:flex;align-items:center;min-height:44px}.echo-hero-photo img{height:250px;object-position:center 60%}.echo-compare{font-size:13px;margin-bottom:32px}.echo-compare caption{font-size:18px}.echo-compare th,.echo-compare td{padding:10px 5px}.echo-compare th:first-child{width:25%}.echo-compare a{font-size:14px}.echo-section-head{margin-bottom:22px}}
@media(min-width:761px) and (max-width:1000px){.echo-models{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.echo-model dl div{flex-direction:row}.echo-model dd{text-align:right}}
@media(max-width:760px){.echo-model figure{height:auto}.echo-viewer-context{grid-template-columns:1fr;gap:16px}.echo-compare{font-size:14px}.echo-compare th,.echo-compare td{overflow-wrap:anywhere}.echo-page .echo-viewer-heading{font-size:clamp(34px,9vw,40px);margin-bottom:24px}}