:root{--ink:#202722;--muted:#69716a;--forest:#294335;--line:#e1e5e0;--paper:#fff;--wash:#f4f6f3;--red:#c82027;--shell:1320px;--header:82px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;width:100%;height:100%;object-fit:cover}figure{margin:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;letter-spacing:-.04em}h1{font-size:clamp(2.8rem,5.3vw,5.2rem);line-height:1.14}h2{font-size:clamp(2rem,3.4vw,3.15rem);line-height:1.23}h3{font-size:1.35rem;line-height:1.4;letter-spacing:-.025em}p{line-height:1.9}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--forest);outline-offset:5px}::selection{background:#dbe5dc}.section-shell{width:calc(100% - 112px);max-width:var(--shell);margin-inline:auto}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:12px 20px}.skip-link:focus{top:12px}.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;backdrop-filter:blur(16px)}.header-inner{height:var(--header);max-width:1512px;padding:0 42px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:15px;flex-shrink:0}.brand-logo{width:29px;height:36px;object-fit:contain}.brand-name{font-size:1.22rem;letter-spacing:.105em;font-weight:500}.brand-divider{height:24px;width:1px;background:#c9cec8}.brand-lab{font-size:1.26rem;font-weight:500;letter-spacing:-.03em}.main-nav{display:flex;align-items:center;gap:29px}.main-nav a{font-size:.94rem;padding:28px 0;white-space:nowrap;border-bottom:2px solid transparent;color:#58615b}.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--ink);border-color:var(--forest)}.menu-toggle{display:none;border:0;background:transparent;width:44px;height:44px;padding:11px;align-items:center;justify-content:center;flex-direction:column;gap:7px}.menu-toggle span{width:22px;height:1.5px;background:var(--ink);transition:transform .2s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(4.25px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4.25px) rotate(-45deg)}.eyebrow{font-size:.8rem;letter-spacing:.2em;font-weight:500;color:var(--muted);line-height:1.5;margin-bottom:22px}.lead{font-size:1.15rem;color:var(--muted);line-height:1.9}.home-intro{display:grid;grid-template-columns:1fr 1fr;gap:6%;padding-block:72px 62px;align-items:center}.home-intro-copy h1{margin-bottom:28px}.home-intro-copy .lead{max-width:410px}.intro-image{height:460px;position:relative}.intro-image img{object-fit:contain;background:#fafbf9}.intro-image figcaption{color:var(--muted);font-size:.75rem;margin-top:14px;line-height:1.6}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 26px;background:var(--forest);color:#fff;border:1px solid var(--forest);border-radius:0;font-size:1rem;line-height:1.5;text-align:center}.button:hover{background:#1b3528}.button.light{background:#fff;color:var(--ink);border-color:#fff}.button.outline{background:transparent;color:var(--forest);border-color:#b5c1b7}.text-link{border-bottom:1px solid #a1aea4;padding-block:6px;font-size:1rem}.text-link:hover{color:var(--forest);border-color:var(--forest)}.brief-home{padding-block:68px 86px;border-top:1px solid var(--line)}.brief-home p:last-child{max-width:590px;margin-top:25px;color:var(--muted);font-size:1.1rem}.wide-photo{position:relative;height:570px;overflow:hidden;background:#293b2d;color:white}.wide-photo img{position:absolute;inset:0;object-fit:cover}.wide-photo .photo-shade{position:absolute;inset:0;background:rgba(0,0,0,.27)}.wide-photo .hero-copy{position:relative;display:flex;flex-direction:column;justify-content:center;height:100%;padding-block:60px}.wide-photo .eyebrow,.wide-photo .lead{color:#f0f2ed}.wide-photo h1{max-width:790px}.wide-photo .lead{max-width:570px;margin-top:26px}.wide-photo .text-link{color:#fff;border-color:rgba(255,255,255,.7)}.photo-credit{position:absolute;bottom:18px;right:32px;font-size:.75rem;line-height:1.5;color:#fff;background:rgba(0,0,0,.32);padding:4px 9px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:42px}.section-heading p{max-width:490px;color:var(--muted);font-size:1.06rem}.section-heading .eyebrow{margin-bottom:15px}.content-section{padding-block:90px}.content-section.wash{background:var(--wash)}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.craft-card{border-top:1px solid #afbbb1;padding:27px 0 26px;display:flex;flex-direction:column;min-height:260px}.craft-card .card-number{font-size:.875rem;color:var(--muted);margin-bottom:30px}.craft-card h3{font-size:1.5rem;max-width:310px;margin-bottom:15px}.craft-card p{color:var(--muted);font-size:1rem}.craft-card .material-tags{margin-top:auto;padding-top:30px}.craft-card:hover h3{color:var(--forest)}.material-tags{display:flex;gap:8px;flex-wrap:wrap}.material-tags span{border:1px solid var(--line);padding:5px 10px;font-size:.82rem;line-height:1.5;color:#5c675f}.image-card{display:block}.image-card .card-image{aspect-ratio:4/3;background:var(--wash);overflow:hidden}.image-card .card-image img{transition:transform .35s ease}.image-card:hover .card-image img{transform:scale(1.035)}.image-card .card-copy{padding:20px 0 5px}.image-card .card-copy p{font-size:.94rem;color:var(--muted);margin-top:8px}.image-card .card-copy .overline{margin:0 0 8px;font-size:.76rem;letter-spacing:.08em}.split-section{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;padding-block:92px}.split-section figure{aspect-ratio:1/1;background:var(--wash)}.split-section .copy h2{margin-bottom:26px}.split-section .copy p{color:var(--muted);font-size:1.1rem}.split-section figcaption,.figure-credit{font-size:.75rem;color:var(--muted);line-height:1.65;margin-top:13px}.brand-section{border-top:1px solid var(--line);padding-block:74px 86px}.brand-cards{display:grid;grid-template-columns:repeat(4,1fr);margin-top:38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.brand-cards a{padding:29px 22px 30px;border-right:1px solid var(--line)}.brand-cards a:first-child{padding-left:0}.brand-cards a:last-child{border-right:0}.brand-cards strong{font-size:1.3rem;font-weight:500}.brand-cards p{font-size:.94rem;margin-top:9px;color:var(--muted)}.page-heading{padding-block:78px 58px;max-width:1060px}.page-heading h1{font-size:clamp(2.5rem,4.6vw,4.4rem)}.page-heading .lead{max-width:790px;margin-top:26px}.page-heading .eyebrow{margin-bottom:20px}.breadcrumb{margin-bottom:30px;display:flex;gap:13px;align-items:center;font-size:.875rem;color:var(--muted);flex-wrap:wrap}.breadcrumb a{border-bottom:1px solid #c7cfc9;padding-bottom:2px}.page-content{padding-bottom:100px}.forest-section{padding-block:80px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:9%}.forest-section:nth-child(even) .forest-image{order:2}.forest-image{aspect-ratio:4/3;background:var(--wash)}.forest-section h2{margin:14px 0 23px}.forest-section p{color:var(--muted);font-size:1.08rem}.forest-section .small-label{font-size:.82rem;letter-spacing:.08em}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;gap:18px}.process-step{padding:24px;background:var(--wash);border-top:1px solid #c2cec4;min-height:170px}.process-step .step-label{font-size:.8rem;color:var(--muted);margin-bottom:16px}.process-step h3{font-size:1.13rem}.process-step p{font-size:.95rem;color:var(--muted);margin-top:8px}.intro-panel{padding:50px;background:var(--wash);margin-top:34px}.intro-panel h2{font-size:2rem;margin-bottom:20px}.intro-panel p{color:var(--muted);max-width:840px;font-size:1.08rem}.detail-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:7%;align-items:start;margin-bottom:76px}.detail-picture{background:var(--wash);aspect-ratio:4/3}.detail-layout h2{font-size:1.8rem;margin:12px 0 22px}.detail-layout .lead{font-size:1.08rem}.detail-copy .material-tags{margin-top:26px}.detail-list{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--line)}.detail-list li{display:flex;gap:22px;padding:18px 0;border-bottom:1px solid var(--line);font-size:1rem;line-height:1.65}.detail-list .term{min-width:82px;color:var(--muted)}.filter-bar{display:flex;align-items:flex-end;gap:20px;padding:25px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}.field{display:flex;flex-direction:column;gap:9px;flex:1}.field.search-field{flex:1.5}.field label{font-size:.875rem;color:var(--muted)}.field select,.field input{width:100%;height:49px;padding:0 13px;border:1px solid #c6cfc7;border-radius:0;background:#fff;color:var(--ink);min-width:0}.result-count{font-size:.875rem;color:var(--muted);margin-bottom:23px}.empty-results{padding:65px 25px;text-align:center;background:var(--wash)}.empty-results h2{font-size:1.5rem;margin-bottom:12px}.empty-results p{color:var(--muted);margin-bottom:20px}.case-label{font-size:.8rem;letter-spacing:.07em;color:var(--muted);margin-bottom:9px}.solution-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.solution-card{border:1px solid var(--line);padding:35px;min-height:240px;display:flex;flex-direction:column}.solution-card h3{font-size:1.5rem;margin-bottom:15px}.solution-card p{color:var(--muted);font-size:1rem}.solution-card .text-link{align-self:flex-start;margin-top:auto;padding-top:26px}.industrial-intro{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;padding-bottom:80px}.industrial-intro figure{aspect-ratio:4/3;background:var(--wash)}.industrial-intro h2{font-size:2rem;margin-bottom:24px}.industrial-intro p{color:var(--muted);font-size:1.09rem}.application-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);gap:36px;padding-top:32px}.application-grid h3{margin-bottom:13px}.application-grid p{color:var(--muted);font-size:1rem}.source-note{font-size:.8rem;line-height:1.8;color:var(--muted);margin-top:35px}.source-note a{border-bottom:1px solid #bfc8c0}.site-footer{background:#f3f5f2;border-top:1px solid var(--line);padding-block:55px 26px}.footer-brand strong{font-size:1.28rem;font-weight:500}.footer-brand p{font-size:.875rem;color:var(--muted);margin-top:10px}.footer-inner{display:grid;grid-template-columns:1fr 2fr;gap:30px}.brand-links{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.brand-links a{font-size:.94rem}.brand-links span{display:block;color:var(--muted);font-size:.8rem;line-height:1.7;margin-top:10px}.copyright{grid-column:1/-1;border-top:1px solid #dfe4de;margin-top:14px;padding-top:20px;font-size:.75rem;color:var(--muted)}.noscript{text-align:center;padding:25px;color:var(--muted)}.error-page{padding-block:90px;min-height:55vh}.error-page p{margin-top:22px;color:var(--muted)}.case-main-image{object-fit:contain}.video-preview{width:100%;max-height:70vh;background:#101511}.secondary-nav{margin-top:30px;display:flex;flex-wrap:wrap;gap:13px}.secondary-nav a{border:1px solid var(--line);padding:9px 14px;font-size:.9rem}.secondary-nav a:hover{border-color:var(--forest)}
@media(min-width:1600px){:root{--shell:1420px}.wide-photo{height:660px}}
@media(max-width:1120px){.header-inner{padding-inline:28px}.main-nav{gap:19px}.main-nav a{font-size:.85rem}.section-shell{width:calc(100% - 72px)}.home-intro{gap:5%;padding-top:56px}.intro-image{height:410px}.footer-inner{grid-template-columns:1fr}.brand-links{margin-top:8px}.card-grid{gap:23px}}
@media(max-width:920px){:root{--header:72px}.menu-toggle{display:flex}.main-nav{display:none;position:absolute;top:71px;left:0;right:0;padding:15px 28px 25px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 18px rgba(22,35,25,.04);flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:14px 0;font-size:1rem;border-bottom:1px solid var(--line)}.main-nav a[aria-current="page"]{color:var(--forest);font-weight:600}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brand-cards{grid-template-columns:1fr 1fr}.brand-cards a:nth-child(2){border-right:0}.brand-cards a:nth-child(3){padding-left:0;border-top:1px solid var(--line)}.brand-cards a:nth-child(4){border-top:1px solid var(--line)}.process-grid{gap:12px}.process-step{padding:21px 17px}.wide-photo{height:530px}.wide-photo h1{max-width:700px}.application-grid{gap:25px}.detail-layout{gap:5%}.detail-list li{gap:15px}}
@media(max-width:650px){.section-shell{width:calc(100% - 40px)}.header-inner{padding-inline:20px}.brand{gap:12px}.brand-name{font-size:1.08rem}.brand-lab{font-size:1.13rem}.brand-logo{width:25px;height:31px}.brand-divider{height:22px}.home-intro{grid-template-columns:1fr;padding-block:45px 48px;gap:38px}.home-intro h1{font-size:2.8rem}.home-intro-copy .lead{font-size:1.06rem}.intro-image{height:290px}.intro-image figcaption{font-size:.75rem}.eyebrow{margin-bottom:18px}.actions{gap:22px;margin-top:27px}.button{padding-inline:21px}.brief-home{padding-block:45px 55px}.wide-photo{height:590px}.wide-photo .hero-copy{justify-content:flex-end;padding-block:52px 74px}.wide-photo h1{font-size:2.9rem;line-height:1.18}.wide-photo .lead{font-size:1.05rem;margin-top:24px}.wide-photo .actions{gap:20px}.photo-credit{right:20px;bottom:15px;font-size:.75rem;max-width:calc(100% - 40px)}.content-section{padding-block:60px}.section-heading{display:block;margin-bottom:28px}.section-heading p{margin-top:22px;font-size:1rem}.section-heading>a{display:inline-block;margin-top:20px}.card-grid{grid-template-columns:1fr 1fr;gap:25px 17px}.craft-card{min-height:255px;padding-block:22px}.craft-card h3{font-size:1.17rem}.craft-card .card-number{margin-bottom:22px}.craft-card p{font-size:.91rem;line-height:1.8}.craft-card .material-tags{gap:5px;padding-top:20px}.material-tags span{font-size:.75rem;padding:4px 7px}.image-card h3{font-size:1.12rem}.image-card .card-copy p{font-size:.86rem}.image-card .card-copy{padding-top:15px}.image-card .card-copy .overline{font-size:.75rem}.split-section{grid-template-columns:1fr;gap:45px;padding-block:55px}.split-section .copy p{font-size:1rem}.split-section figure{aspect-ratio:4/3}.brand-section{padding-block:50px 60px}.brand-cards{margin-top:25px}.brand-cards a{padding:24px 15px}.brand-cards strong{font-size:1.13rem}.brand-cards p{font-size:.875rem}.page-heading{padding-block:43px 38px}.page-heading h1{font-size:2.55rem}.page-heading .lead{font-size:1.04rem;margin-top:22px}.page-content{padding-bottom:65px}.forest-section{grid-template-columns:1fr;gap:26px;padding-block:48px}.forest-section:nth-child(even) .forest-image{order:0}.forest-section p{font-size:1rem}.forest-section h2{font-size:1.85rem;margin-bottom:18px}.process-grid{grid-template-columns:1fr;gap:13px;margin-top:30px}.process-step{min-height:130px;padding:23px}.intro-panel{padding:29px 23px}.intro-panel h2{font-size:1.7rem}.intro-panel p{font-size:1rem}.detail-layout{grid-template-columns:1fr;gap:28px;margin-bottom:50px}.detail-layout h2{margin-top:7px;font-size:1.6rem}.detail-layout .lead{font-size:1rem}.detail-list li{font-size:.94rem;gap:18px}.detail-list .term{min-width:72px}.filter-bar{display:grid;grid-template-columns:1fr 1fr;gap:19px 15px;padding-block:22px}.filter-bar .search-field{grid-column:1/-1}.field input,.field select{font-size:.94rem}.solution-grid{grid-template-columns:1fr;gap:18px}.solution-card{padding:28px 24px;min-height:200px}.industrial-intro{grid-template-columns:1fr;gap:30px;padding-bottom:50px}.industrial-intro p{font-size:1rem}.application-grid{grid-template-columns:1fr;gap:30px}.application-grid h3{font-size:1.2rem}.brand-links{grid-template-columns:1fr 1fr;gap:27px}.site-footer{padding-top:39px}.footer-inner{gap:28px}.copyright{margin-top:2px}.breadcrumb{font-size:.82rem;margin-bottom:25px}.source-note{font-size:.8rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.brand-logo-full{height:59px;width:61px;object-fit:contain}.fabric-feature{border-left:3px solid var(--forest);padding:9px 0 9px 24px;margin-top:32px}.fabric-feature strong{font-size:1.15rem;display:block;margin-bottom:12px}.fabric-feature p{font-size:1rem;color:var(--muted)}.forest-image.tall-reference{aspect-ratio:4/5}.download-link{display:inline-block;margin-top:20px;font-size:.94rem;border-bottom:1px solid #bcc7bd;padding-bottom:4px}.page-heading.section-shell{max-width:var(--shell)}.header-inner{gap:23px}.wide-photo .hero-copy h1{font-weight:500}.case-detail-title{font-size:clamp(2.35rem,4.2vw,3.8rem)!important}
@media(max-width:650px){.brand-logo-full{height:52px;width:54px}.forest-image.tall-reference{max-height:440px}.fabric-feature{padding-left:19px}.case-detail-title{font-size:2.3rem!important}}

.headline-part{display:inline-block;white-space:nowrap}.contact-section{padding-block:76px;border-top:1px solid var(--line)}.contact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px}.contact-grid article{border-top:1px solid var(--line);padding-top:27px}.contact-grid h2{font-size:1.55rem;margin-bottom:22px}.contact-grid p{color:var(--muted)}.contact-grid .eyebrow{font-size:.7rem;margin-bottom:17px}.contact-email{display:inline-block;overflow-wrap:anywhere}.footer-contact{grid-column:1/-1;color:var(--muted);font-size:.85rem;line-height:1.8}.footer-contact a{display:inline-block;margin-top:10px;color:var(--ink);border-bottom:1px solid #a7b3a8}.footer-tools{grid-column:1/-1;display:flex;align-items:center;gap:25px;font-size:.85rem}.session-logout button{background:transparent;border:0;border-bottom:1px solid #a1aea4;color:var(--muted);padding:5px 0;font:inherit}.session-logout{margin:0}
@media(max-width:1120px){.main-nav{gap:16px}.main-nav a{font-size:.82rem}}@media(max-width:920px){.main-nav a{font-size:1rem}.contact-grid{grid-template-columns:1fr 1fr}.contact-grid article:last-child{grid-column:1/-1}}@media(max-width:650px){.contact-grid{grid-template-columns:1fr;gap:30px}.contact-section{padding-block:50px}.contact-grid h2{font-size:1.4rem}.wide-photo h1{font-size:2.7rem}}
.header-inner{height:auto;min-height:var(--header)}.main-nav{min-width:0;flex-wrap:wrap;justify-content:flex-end}.main-nav a{padding-block:20px}
@media(max-width:920px){.main-nav{justify-content:flex-start}.main-nav a{padding-block:14px}}
@media(max-width:650px){.wide-photo h1{font-size:clamp(1.7rem,11vw,2.7rem)}}

.service-qr{margin:24px 0 0;max-width:220px}.service-qr img{display:block;width:200px;height:auto;max-width:100%;object-fit:contain}.service-qr figcaption{font-size:.78rem;line-height:1.7;margin-top:14px;color:var(--muted)}
.contain-image img{object-fit:contain}