:root{--paper:#f5f5f0;--ink:#182a2b;--copper:#92502f;--muted:#4c5c5c;--line:#798787;--light:#e1eae7;--serif:"SimSun","Songti SC",serif;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;width:100%;height:auto}h1,h2,h3,p{margin:0}p{line-height:1.9}h1,h2{font-family:var(--serif);font-weight:600;letter-spacing:-.065em}h2{font-size:clamp(40px,4vw,60px);line-height:1.3}h3{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.45}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #9c522d;outline-offset:5px}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.section{padding-block:106px;scroll-margin-top:94px}.eyebrow{font-family:Consolas,monospace;font-size:12px;letter-spacing:.15em;line-height:1.8;margin-bottom:24px;color:var(--muted)}.number{font-family:Georgia,serif;font-size:82px;color:var(--copper);font-weight:400;line-height:1}.text-link{display:inline-flex;align-items:center;gap:32px;min-height:48px;border-bottom:1px solid currentColor;font-size:14px;font-weight:600}.text-link span{font-size:22px;font-weight:400}.text-link:hover{color:var(--copper)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap;border:0}.skip{position:fixed;top:-100px;left:24px;z-index:100;background:var(--ink);color:var(--paper);padding:12px 20px;min-height:48px}.skip:focus{top:16px}.header{height:94px;padding:0 56px;display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--paper);position:sticky;top:0;z-index:20}.brand{display:inline-flex;align-items:center;gap:12px;min-height:48px;font-family:var(--serif);font-size:18px;font-weight:600;white-space:nowrap}.brand small{display:block;font-family:Consolas,monospace;font-size:10px;font-weight:400;letter-spacing:.16em;margin-top:6px}.mark{flex-shrink:0;width:42px;height:42px;fill:var(--copper)}.desktop-nav{display:flex;gap:28px}.desktop-nav a{display:inline-flex;align-items:center;min-height:48px;font-size:13px;gap:12px}.desktop-nav a:hover{color:var(--copper)}.menu-toggle{background:transparent;border:0;color:var(--ink);min-width:76px;min-height:48px;font-size:14px;padding:8px}.menu-toggle span{font-size:22px;margin-left:8px}#mobile-nav{position:fixed;inset:94px 0 0;background:var(--paper);padding:50px 32px;overflow:auto;z-index:19}#mobile-nav a{display:flex;justify-content:space-between;align-items:center;font-family:var(--serif);font-size:27px;min-height:78px;border-bottom:1px solid var(--line)}#mobile-nav .eyebrow{font-size:10px}body.menu-open{overflow:hidden}.hero{position:relative;min-height:706px;isolation:isolate;overflow:hidden;scroll-margin-top:94px}.hero-image{position:absolute;right:0;top:0;width:100%;height:650px;object-fit:cover;z-index:-1}.hero-copy{position:relative;padding:82px 56px 135px;width:65%;pointer-events:none}.hero-copy .eyebrow{color:var(--copper);font-size:11px}.hero h1{font-size:clamp(60px,6.1vw,92px);line-height:1.2}.hero-intro{font-size:20px;margin-top:27px}.hero-copy .text-link{pointer-events:auto;margin-top:22px}.hero-foot{position:absolute;bottom:0;left:56px;right:56px;min-height:60px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);font-size:12px;letter-spacing:.12em;background:var(--paper)}.folio{font-family:Consolas,monospace}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:48px;margin-bottom:68px}.section-heading>p{max-width:440px;color:var(--muted);font-size:15px;padding-bottom:5px}.product-spreads{display:grid;grid-template-columns:1fr 1fr;gap:64px}.product-plate{padding-top:136px}.product-head{display:flex;gap:22px;align-items:center;margin-bottom:26px}.product h3{font-size:26px}.product h3 small{display:block;font-family:Consolas,monospace;font-size:10px;color:var(--muted);letter-spacing:.06em;font-weight:400;margin-top:10px}.product img{aspect-ratio:4/3;object-fit:cover}.product-caption{padding-top:22px}.product-caption p{font-size:14px;color:var(--muted);margin-bottom:12px}.applications{background:var(--ink);color:var(--paper);padding-top:86px;padding-bottom:70px}.applications .eyebrow{color:var(--light)}.application-lead{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:center;margin-bottom:54px}.application-lead h2{font-size:clamp(42px,4.2vw,64px);margin-bottom:28px}.application-lead p:not(.eyebrow){font-size:14px;color:var(--light)}.application-lead img{aspect-ratio:3/2;object-fit:cover}.view-buttons{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid #80918f;gap:20px}.view-buttons button{display:flex;align-items:center;gap:18px;min-height:70px;justify-content:flex-start;background:transparent;color:var(--paper);border:0;border-bottom:3px solid transparent;font-size:16px;padding:16px 0}.view-buttons button span{font-family:Georgia,serif;color:#e6b89a;font-size:18px}.view-buttons button b{margin-left:auto;font-weight:400;font-size:24px}.view-buttons button[aria-pressed=true]{border-color:#e6b89a;color:#e6b89a}.view-buttons button:hover{color:#e6b89a}.applications :focus-visible{outline-color:#f2c19d}.view-stage{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;min-height:310px;padding:34px 0 20px}.line-art svg{display:block;width:100%;height:auto;max-height:240px;fill:none;stroke:#becdc9;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.line-art .copper-line{stroke:#e6b89a;stroke-width:3}.diagram{display:none}[data-view=plating] .diagram-plating,[data-view=embedded] .diagram-embedded,[data-view=interface] .diagram-interface{display:block}.diagram-caption{display:block;text-align:center;color:var(--light);font-size:11px;margin-top:8px}.view-detail .eyebrow{font-size:10px;margin-bottom:16px}.view-detail h3{font-size:28px;margin-bottom:14px}.view-body{color:var(--light);font-size:14px;max-width:440px}.view-question{color:#e6b89a;font-size:12px;margin-top:20px}.application-note{font-size:12px;color:var(--light);border-top:1px solid #80918f;padding-top:20px}.dialogue{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.dialogue-title{align-self:start;position:sticky;top:140px}.dialogue-title h2{margin-bottom:24px}.dialogue-title>p:not(.eyebrow){font-size:14px;color:var(--muted);margin-bottom:24px}.dialogue-sequence article{display:grid;grid-template-columns:1fr .95fr;align-items:center;gap:30px;padding-block:25px}.dialogue-sequence article:first-child{padding-top:0}.dialogue-sequence article+article{border-top:1px solid var(--line)}.dialogue-sequence .number{font-size:48px}.step-copy h3{font-size:23px;margin:14px 0}.step-copy p{font-size:13px;color:var(--muted)}.dialogue-sequence img{aspect-ratio:1/1.2;object-fit:cover}.development{background:#dae7e7;padding:68px 0}.development-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.development h2{margin-bottom:25px}.development img{aspect-ratio:3/2;object-fit:cover}.development p:not(.eyebrow){font-size:14px}.green-fact{margin-bottom:20px}.green-fact strong{font-weight:600;font-size:20px}.contact{display:grid;grid-template-columns:1fr 1fr;gap:100px}.contact h2{margin-bottom:26px}.contact>div>p:not(.eyebrow){font-size:14px;color:var(--muted)}.group-label{margin-top:26px;margin-bottom:6px}.contact-note{margin-top:28px}fieldset{border:0;margin:0;padding:0;min-width:0}.fields{display:grid;grid-template-columns:1fr 1fr;gap:27px}.fields label{font-size:13px;line-height:1.7}.fields label span{color:var(--copper)}.wide{grid-column:1/-1}input,textarea{display:block;width:100%;min-height:48px;margin-top:10px;border:1px solid #758080;background:var(--paper);color:var(--ink);border-radius:0;padding:12px;font-size:15px}textarea{resize:vertical;min-height:130px}input::placeholder,textarea::placeholder{color:#4c5c5c;opacity:1}input:focus,textarea:focus{border-color:var(--copper)}.submit{min-height:50px;background:var(--copper);border:0;color:var(--paper);padding:14px 26px;margin-top:28px;min-width:172px;display:flex;align-items:center;justify-content:space-between;gap:38px;font-size:14px}.submit:hover{background:#754027}fieldset:disabled .submit{opacity:.7;cursor:default}.form-result{min-height:52px;font-size:13px;color:var(--ink);margin-top:18px}noscript p{font-size:13px}.footer{padding-top:28px;padding-bottom:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:30px}.footer>p{font-size:13px;color:var(--muted)}.footer-bottom{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--muted);font-size:11px}.footer-bottom a{display:flex;min-height:48px;align-items:center;gap:12px}.footer-bottom a:hover{color:var(--copper)}[hidden]{display:none!important}
@media(min-width:1700px){.hero-image{height:720px}.hero{min-height:780px}.hero-copy{padding-left:max(56px,calc((100vw - 1280px)/2))}}
@media(max-width:1100px){.header{padding-inline:32px}.desktop-nav{gap:16px}.brand{font-size:15px;gap:8px}.brand small{font-size:9px}.wrap{width:calc(100% - 64px)}.hero-copy{padding-left:32px}.hero-foot{left:32px;right:32px}.hero-copy .eyebrow{font-size:10px}.dialogue{gap:42px}.contact{gap:55px}.product-spreads{gap:32px}.product h3{font-size:22px}.product-head{gap:15px}.number{font-size:70px}.dialogue-sequence article{gap:18px}.view-stage{gap:32px}}
@media(max-width:900px){.desktop-nav{display:none}.hero{min-height:610px}.hero-image{height:560px;object-position:58% center}.hero-copy{width:70%;padding-top:70px;padding-bottom:110px}.hero h1{font-size:66px}.hero-intro{font-size:17px}.hero .eyebrow{max-width:240px}.section{padding-block:80px}.product-plate{padding-top:110px}.product h3{font-size:21px}.product-head{display:block}.product-head h3{margin-top:16px}.number{font-size:64px}.section-heading{gap:28px}.section-heading>p{max-width:320px;font-size:14px}.section-heading h2{font-size:42px}.application-lead{grid-template-columns:1fr 1fr;gap:24px}.view-buttons{gap:14px}.view-buttons button{font-size:13px;gap:12px}.dialogue{grid-template-columns:1fr;gap:45px}.dialogue-title{position:static}.dialogue-sequence article{grid-template-columns:1fr 1fr;gap:45px}.dialogue-sequence img{aspect-ratio:3/2}.development-layout{gap:25px}.development h2{font-size:42px}.green-fact strong{font-size:17px}.contact{gap:38px}.contact h2{font-size:42px}.fields{gap:20px}.footer>p{font-size:11px}.view-detail h3{font-size:24px}}
@media(max-width:600px){.wrap{width:calc(100% - 40px)}.header{height:78px;padding:0 20px;gap:8px}.brand{font-size:12px;gap:6px;min-height:48px}.brand small{font-size:8px;letter-spacing:.09em}.mark{width:30px;height:34px}.menu-toggle{min-width:64px;padding:4px;font-size:12px}.menu-toggle span{font-size:18px;margin-left:3px}#mobile-nav{inset:78px 0 0;padding:34px 24px}#mobile-nav a{font-size:24px}.hero{min-height:736px;scroll-margin-top:78px}.hero-copy{padding:35px 20px 0;width:100%}.hero-copy .eyebrow{font-size:9px;max-width:none;margin-bottom:20px}.hero h1{font-size:51px;line-height:1.28}.hero-intro{font-size:16px;margin-top:18px}.hero-copy .text-link{margin-top:14px}.hero-image{height:365px;width:100%;top:325px;object-position:72% center;object-fit:cover}.hero-foot{left:20px;right:20px;min-height:46px;font-size:10px;gap:12px}.hero-foot .folio{display:none}.section{padding-block:66px;scroll-margin-top:78px}.eyebrow{font-size:10px;margin-bottom:18px;letter-spacing:.1em}h2{font-size:40px;letter-spacing:-.05em}.section-heading{display:block;margin-bottom:34px}.section-heading>p{max-width:none;margin-top:22px}.section-heading h2{font-size:40px}.product-spreads{display:block}.product-plate{padding-top:46px}.product-head{display:flex;align-items:center;gap:20px;margin-bottom:20px}.number{font-size:60px}.product-head h3{margin-top:0;font-size:23px}.product-head h3 small{font-size:8px;letter-spacing:0}.product-caption{padding-top:18px}.product-caption p{font-size:13px}.text-link{font-size:13px;min-height:48px;gap:28px}.applications{padding-bottom:44px}.application-lead{display:block;margin-bottom:28px}.application-lead h2{font-size:43px;margin-bottom:22px}.application-lead p:not(.eyebrow){font-size:13px}.application-lead img{margin-top:25px;aspect-ratio:3/2}.view-buttons{display:flex;flex-wrap:wrap;gap:0}.view-buttons button{width:100%;min-height:55px;border-bottom-width:2px;padding:10px 0;font-size:15px}.view-buttons button span{width:22px}.view-stage{display:flex;flex-direction:column;align-items:stretch;gap:26px;padding:24px 0 28px;min-height:420px}.line-art svg{max-height:190px}.diagram-caption{font-size:10px}.view-detail h3{font-size:25px}.view-detail .eyebrow{font-size:9px}.view-body{font-size:13px}.view-question{font-size:11px}.application-note{font-size:11px}.dialogue{gap:30px}.dialogue-title>p:not(.eyebrow){font-size:13px}.dialogue-sequence article{grid-template-columns:1fr;gap:22px;padding-block:30px}.dialogue-sequence .number{font-size:42px}.step-copy h3{font-size:24px}.step-copy p{font-size:13px}.dialogue-sequence img{aspect-ratio:3/2}.development-layout{display:flex;flex-direction:column;align-items:stretch;gap:30px}.development h2{font-size:40px}.green-fact strong{font-size:19px}.development p:not(.eyebrow){font-size:13px}.contact{display:block}.contact h2{font-size:40px}.contact>div>p:not(.eyebrow){font-size:13px}.contact form{margin-top:42px}.fields{grid-template-columns:1fr;gap:24px}.fields label{font-size:13px}.submit{width:100%;min-height:52px}.footer{gap:22px;padding-top:24px}.footer .brand{font-size:13px}.footer>p{font-size:11px}.footer-bottom{flex-wrap:wrap;gap:8px;font-size:10px;justify-content:flex-start}.footer-bottom>span{width:100%}.footer-bottom a{min-height:48px;margin-top:4px}.form-result{min-height:66px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media(min-width:901px){.hero-image{object-fit:contain;object-position:right center;mask-image:linear-gradient(to right,transparent 33%,#000 65%)}}
@media(min-width:601px) and (max-width:900px){.hero h1{font-size:54px}.hero-copy{width:60%}}