@font-face{font-family:Smiley;src:url("assets/fonts/smiley-sans-display.woff2") format("woff2");font-display:swap}
:root{--ink:#141719;--paper:#f2eee6;--warm:#ded5c6;--orange:#e66517;--orange-text:#943600;--focus-dark:#ff9b57;--steel:#91989c;--line:rgba(20,23,25,.22);--pad:max(24px,calc((100vw - 1340px)/2));font-family:"Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);scroll-behavior:smooth}
*{box-sizing:border-box}
html,body{margin:0;min-width:320px}
body{overflow-x:hidden;background:var(--paper)}
::selection{color:#fff;background:var(--orange-text)}
*{scrollbar-color:var(--orange) var(--ink);scrollbar-width:thin}
*::-webkit-scrollbar{width:9px;height:9px}*::-webkit-scrollbar-track{background:var(--ink)}*::-webkit-scrollbar-thumb{background:var(--orange)}
a,button,input,textarea{font:inherit}a{color:inherit}button,input,textarea{caret-color:var(--orange-text)}
:focus-visible{outline:3px solid var(--orange-text);outline-offset:4px}.site-header :focus-visible,.product-stage-dark :focus-visible,.structure :focus-visible,.site-footer :focus-visible{outline-color:var(--focus-dark)}
.skip-link{position:fixed;z-index:100;left:16px;top:12px;padding:10px 14px;background:#fff;transform:translateY(-160%)}.skip-link:focus{transform:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{height:78px;position:absolute;z-index:20;top:0;left:0;right:0;padding:0 var(--pad);display:flex;align-items:center;justify-content:space-between;color:#fff;border-bottom:1px solid rgba(255,255,255,.2)}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:15px;letter-spacing:.08em}.brand img{width:42px;height:42px}
.site-nav{display:flex;align-items:center;gap:34px}.site-nav a{text-decoration:none;font-size:14px;position:relative}.site-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;background:var(--orange);transition:right .25s}.site-nav a:hover:after,.site-nav a:focus-visible:after{right:0}
.menu-button{display:none;border:0;background:none;color:#fff;width:48px;height:48px}.menu-button i{display:block;width:25px;height:2px;background:currentColor;margin:7px auto;transition:.25s}
.hero{min-height:760px;height:100svh;position:relative;isolation:isolate;color:#fff;overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-image{z-index:-2}.hero-shade{z-index:-1;background:linear-gradient(90deg,rgba(9,11,12,.92) 0%,rgba(9,11,12,.64) 42%,rgba(9,11,12,.12) 74%),linear-gradient(0deg,rgba(9,11,12,.58),transparent 55%)}
.hero-copy{position:absolute;left:var(--pad);bottom:12vh;max-width:730px}.hero-line{margin:0 0 24px;font-size:14px;letter-spacing:.18em;color:#d6d8d8}.hero h1{font-family:Smiley,"Microsoft YaHei",sans-serif;font-size:clamp(62px,7.3vw,120px);line-height:.93;letter-spacing:-.035em;font-weight:500;margin:0}.hero-lead{max-width:590px;margin:29px 0 32px;color:#d9dcdd;font-size:18px;line-height:1.8}.text-link{display:inline-flex;gap:20px;align-items:center;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:9px}.text-link span{color:var(--orange);font-size:23px}.hero-place{position:absolute;right:var(--pad);bottom:35px;writing-mode:vertical-rl;letter-spacing:.18em;font-size:12px}.stroke-scale{position:absolute;right:var(--pad);top:42%;height:190px;border-right:2px solid var(--orange);display:flex;flex-direction:column;justify-content:space-between}.stroke-scale span{width:16px;border-top:1px solid rgba(255,255,255,.65);display:block}
.intro{display:grid;grid-template-columns:1.35fr .65fr;gap:11vw;padding:145px var(--pad);align-items:end}.intro h2,.section-heading h2,.research h2,.contact h2{font-family:Smiley,"Microsoft YaHei",sans-serif;font-weight:500;letter-spacing:-.035em}.intro h2{font-size:clamp(42px,5vw,76px);line-height:1.08;margin:0}.intro p{font-size:17px;line-height:1.95;margin:0;color:#545a5c}
.section-heading{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:40px;padding:0 var(--pad) 55px}.section-heading h2{font-size:clamp(44px,5vw,72px);margin:0}.section-heading p{margin:0 0 8px;max-width:500px;font-size:17px;line-height:1.8;color:#5b6062}
.product-stage{display:grid;grid-template-columns:minmax(360px,.72fr) 1.28fr;min-height:680px}.product-stage img{width:100%;height:100%;object-fit:cover}.product-stage-light{grid-template-columns:1.28fr minmax(360px,.72fr)}.product-stage-dark{background:var(--ink);color:#fff}.product-stage-light{background:#d8d0c3}.stage-copy{padding:90px clamp(38px,7vw,110px);display:flex;flex-direction:column;justify-content:center}.stage-copy h3{font-family:Smiley,"Microsoft YaHei",sans-serif;font-size:clamp(38px,4vw,60px);line-height:1.08;letter-spacing:-.03em;font-weight:500;margin:0 0 27px}.stage-copy p{font-size:17px;line-height:1.9;color:inherit;opacity:.75;margin:0}.stage-copy dl{margin:50px 0 0;border-top:1px solid currentColor;padding-top:18px}.stage-copy dl div{display:flex;justify-content:space-between;gap:24px}.stage-copy dt,.stage-copy dd{font-size:13px;margin:0}.stage-copy dt{opacity:.62}.stage-copy dd{text-align:right}
.structure{background:var(--ink);color:#fff;padding:145px 0}.section-heading-invert p{color:#afb4b5}.cutaway{margin:0 var(--pad) 90px}.cutaway img{width:100%;height:auto;display:block}.cutaway figcaption{max-width:600px;margin:20px 0 0 auto;color:#aeb2b3;line-height:1.7;font-size:14px}.process-strip{display:grid;grid-template-columns:1.15fr .85fr 1fr;gap:0}.process-strip figure{margin:0;border-right:1px solid rgba(255,255,255,.16)}.process-strip img{width:100%;aspect-ratio:1.05;object-fit:cover;display:block}.process-strip figcaption{padding:24px var(--pad) 0 28px;display:flex;justify-content:space-between;gap:20px}.process-strip strong{font-size:20px;font-weight:500}.process-strip span{max-width:210px;font-size:13px;line-height:1.65;color:#a9adae}
.research{display:grid;grid-template-columns:1fr 1fr;min-height:820px;background:#d9d1c5}.research-copy{padding:125px var(--pad)}.research h2{font-size:clamp(46px,5vw,74px);line-height:1.08;margin:0 0 42px}.research-copy>p{font-size:16px;line-height:1.95;color:#4f5557;max-width:640px}.research>img{width:100%;height:100%;object-fit:cover}.date-line{border-top:1px solid var(--line);margin-top:60px}.date-line span{display:grid;grid-template-columns:80px 1fr;border-bottom:1px solid var(--line);padding:16px 0;font-size:14px}.date-line b{font-family:Smiley,sans-serif;font-size:20px;color:var(--orange-text);font-weight:500}
.contact{display:grid;grid-template-columns:.85fr 1.15fr;gap:10vw;padding:145px var(--pad);background:var(--paper)}.contact h2{font-size:clamp(46px,5vw,76px);line-height:1.04;margin:0 0 30px}.contact-lead>p{line-height:1.8;color:#555b5d}.contact address{font-style:normal;margin-top:70px;padding-top:18px;border-top:2px solid var(--orange)}.inquiry-form{display:grid;grid-template-columns:1fr 1fr;gap:30px 24px;align-content:start}.inquiry-form label{display:grid;gap:10px;font-size:13px;color:#555b5d}.inquiry-form input,.inquiry-form textarea{width:100%;border:0;border-bottom:1px solid #8c8e8d;background:transparent;padding:12px 0;font-size:16px;border-radius:0;color:var(--ink)}.inquiry-form textarea{resize:vertical}.form-wide{grid-column:1/-1}.inquiry-form button{grid-column:1/-1;border:0;background:var(--ink);color:#fff;padding:18px 24px;cursor:pointer;transition:background .2s}.inquiry-form button:hover,.inquiry-form button:focus-visible{background:var(--orange-text)}.form-status{grid-column:1/-1;margin:0;min-height:24px;font-size:14px;color:#9d3d06}
.site-footer{background:var(--ink);color:#b9bcbd;padding:38px var(--pad);display:grid;grid-template-columns:1fr 2fr auto;gap:30px;align-items:center;font-size:12px}.site-footer p{margin:0}.site-footer a{color:#fff}
@media(max-width:920px){.site-header{height:68px}.menu-button{display:block;position:relative;z-index:3}.site-nav{position:fixed;inset:0;z-index:2;background:var(--ink);padding:110px 28px 40px;display:flex;flex-direction:column;align-items:flex-start;gap:0;transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform .32s,visibility 0s linear .32s}.site-nav a{width:100%;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.18);font-family:Smiley,sans-serif;font-size:32px}.nav-open .site-nav{transform:none;visibility:visible;pointer-events:auto;transition-delay:0s}.nav-open .menu-button i:first-of-type{transform:translateY(4.5px) rotate(45deg)}.nav-open .menu-button i:last-of-type{transform:translateY(-4.5px) rotate(-45deg)}.nav-open{overflow:hidden}.hero{min-height:700px}.hero-copy{bottom:90px}.hero-place,.stroke-scale{display:none}.intro{grid-template-columns:1fr;gap:45px;padding-top:100px;padding-bottom:100px}.section-heading{grid-template-columns:1fr;padding-bottom:40px}.product-stage,.product-stage-light{grid-template-columns:1fr}.product-stage img{min-height:480px;order:-1}.stage-copy{padding:70px var(--pad)}.process-strip{grid-template-columns:1fr}.process-strip figure{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.process-strip img{aspect-ratio:1.6}.process-strip figcaption{padding:20px var(--pad) 40px}.research{grid-template-columns:1fr}.research>img{height:560px;order:-1}.research-copy{padding-top:90px;padding-bottom:90px}.contact{grid-template-columns:1fr;gap:70px}.site-footer{grid-template-columns:1fr;gap:15px}}
@media(max-width:560px){.brand span{max-width:196px;font-size:12px}.hero{min-height:680px}.hero-shade{background:linear-gradient(0deg,rgba(9,11,12,.88) 0%,rgba(9,11,12,.42) 65%,rgba(9,11,12,.2))}.hero h1{font-size:55px}.hero-lead{font-size:15px;line-height:1.75}.hero-copy{left:24px;right:24px}.intro h2,.section-heading h2,.research h2,.contact h2{font-size:42px}.intro{padding-top:80px;padding-bottom:80px}.product-stage img{min-height:340px}.stage-copy{padding-top:55px;padding-bottom:55px}.stage-copy h3{font-size:38px}.structure{padding-top:90px;padding-bottom:90px}.cutaway{margin-bottom:65px}.process-strip img{aspect-ratio:1.2}.research>img{height:390px}.research-copy{padding-top:70px;padding-bottom:70px}.contact{padding-top:90px;padding-bottom:90px}.inquiry-form{grid-template-columns:1fr}.inquiry-form label,.form-wide,.inquiry-form button,.form-status{grid-column:1}.site-footer{padding-top:32px;padding-bottom:32px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.site-nav,.site-nav a:after,.menu-button i,.inquiry-form button{transition:none}}