:root{--ink:#171715;--muted:#6f6c65;--paper:#f6f4ef;--card:#fff;--accent:#9a7b5a;--line:#dedbd3;--dark:#24231f;--radius:22px;--shadow:0 18px 55px rgba(30,28,23,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fbfaf7;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:var(--dark);color:#eee9df;font-size:12px;padding:8px 0}.topbar .container{display:flex;justify-content:space-between;gap:20px}.nav{position:sticky;top:0;z-index:30;background:rgba(251,250,247,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06)}.nav-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:25px;font-weight:800;letter-spacing:.08em}.logo small{font-size:9px;vertical-align:top}.navlinks{display:flex;gap:27px;font-size:13px;font-weight:600}.navlinks a{padding:28px 0;border-bottom:2px solid transparent}.navlinks a:hover,.navlinks 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@media(max-width:600px){.container{width:min(100% - 24px,1180px)}.hero{min-height:620px}.hero-copy{padding-bottom:65px}.hero h1,.page-hero h1{font-size:48px}.strip{margin-top:-20px}.strip-inner,.cards-4,.cards-3,.form,.mosaic{grid-template-columns:1fr}.mosaic{grid-template-rows:none}.mosaic .tile{min-height:280px}.feature{border-bottom:1px solid var(--line)}.stats{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.quote-band h2{font-size:32px}.section{padding:70px 0}.section-head{display:block}.topbar{display:none}}
.lang-toggle{height:42px;min-width:56px;padding:0 14px;border:1px solid rgba(20,18,16,.25);border-radius:999px;background:transparent;color:inherit;font:600 12px/1 inherit;letter-spacing:.05em;cursor:pointer;transition:.25s}.lang-toggle:hover{background:#171512;color:#fff;border-color:#171512}.lang-zh body{font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif}.lang-zh h1,.lang-zh h2,.lang-zh h3{letter-spacing:-.02em}@media(max-width:980px){.lang-toggle{height:38px;min-width:48px;padding:0 11px}}

/* 2026 homepage redesign */
.home-page{background:#f6f4ef}.home-page .nav{background:rgba(250,249,246,.92);backdrop-filter:blur(18px);position:sticky;top:0}.btn-sm{padding:10px 16px}.home-screen{min-height:min(820px,100vh)}.home-hero{position:relative;min-height:calc(100vh - 108px);background:url('/assets/index_top.jpg') center/cover;display:flex;align-items:flex-end;color:#fff}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,12,11,.82) 0%,rgba(12,12,11,.38) 55%,rgba(12,12,11,.08) 100%)}.home-hero-inner{position:relative;padding:100px 0 85px;display:flex;justify-content:space-between;align-items:flex-end}.home-hero-copy{max-width:760px}.home-hero h1{font-size:clamp(62px,8vw,118px);line-height:.88;letter-spacing:-.06em;margin:22px 0 30px}.home-hero h1 em,.contact-home h2 em{font-family:Georgia,serif;font-weight:400}.home-hero p{max-width:650px;font-size:18px;line-height:1.7;color:#e4e2dc}.light-btn{background:#fff;color:#161513}.glass-btn{display:inline-flex;padding:13px 20px;border:1px solid rgba(255,255,255,.55);border-radius:999px;color:#fff;font-weight:700;backdrop-filter:blur(10px)}.hero-index{display:flex;align-items:center;gap:10px;font-size:11px}.hero-index i{width:80px;height:1px;background:rgba(255,255,255,.6)}.home-section{padding:110px 0}.home-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px;margin-bottom:48px}.home-heading h2,.advantage-copy h2,.factory-copy h2,.resources-copy h2,.contact-home h2{font-size:clamp(44px,5.5vw,76px);line-height:.96;letter-spacing:-.05em;margin:14px 0}.home-heading>p{max-width:480px;color:#6e6a63;line-height:1.7}.collection-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:330px 330px;gap:16px}.collection-card{position:relative;overflow:hidden;border-radius:8px;color:#fff}.collection-card.large{grid-row:1/3}.collection-card.wide{grid-column:2/4}.collection-card img{width:100%;height:100%;object-fit:cover;transition:.6s}.collection-card:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(0,0,0,.72))}.collection-card:hover img{transform:scale(1.04)}.collection-copy{position:absolute;z-index:2;left:26px;right:26px;bottom:24px}.collection-copy small{display:block;opacity:.7;margin-bottom:8px}.collection-copy h3{font-size:26px;margin:0 0 5px}.collection-copy span{font-size:13px;color:#ddd}.application-section{background:#1a1b18;color:#fff}.home-heading.light p,.application-section .eyebrow{color:#aaa79f}.text-link{font-weight:800}.application-section .text-link{color:#fff}.application-row{border-top:1px solid #454641}.application-item{display:grid;grid-template-columns:80px 1fr 1fr;align-items:center;padding:28px 0;border-bottom:1px solid #454641;color:#fff;transition:.25s}.application-item:hover{padding-left:16px;background:rgba(255,255,255,.035)}.application-item>span{color:#898b84}.application-item h3{font-size:31px;margin:0}.application-item p{color:#aaa79f;margin:0}.advantage-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:80px;align-items:center}.advantage-image{position:relative}.advantage-image img{width:100%;height:660px;object-fit:cover;border-radius:8px}.floating-label{position:absolute;right:-35px;bottom:40px;background:#c9b9a7;padding:28px;width:190px}.floating-label b,.floating-label span{display:block;font-size:11px}.floating-label strong{font-size:52px;display:block;line-height:1}.advantage-copy p,.factory-copy p,.resources-copy p{color:#6e6a63;line-height:1.75;font-size:17px}.advantage-list{display:grid;grid-template-columns:1fr 1fr;margin:35px 0}.advantage-list div{padding:20px 0;border-top:1px solid #d5d0c7}.advantage-list b,.advantage-list span{display:block}.advantage-list b{font-size:28px}.advantage-list 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.btn{margin-top:18px}.factory-visual img{width:100%;height:570px;object-fit:cover}.factory-metrics{display:grid;grid-template-columns:repeat(4,1fr);background:#fff}.factory-metrics div{padding:20px;border-right:1px solid #e2ded5}.factory-metrics strong,.factory-metrics span{display:block}.factory-metrics span{font-size:11px;color:#777}.resources-section{background:#d2c2b0}.resources-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.resource-list{border-top:1px solid rgba(0,0,0,.25)}.resource-list a{display:grid;grid-template-columns:50px 1fr 30px;align-items:center;padding:24px 0;border-bottom:1px solid rgba(0,0,0,.25)}.resource-list small{display:block;color:#6c6257;margin-top:4px}.contact-home{background:#171715;color:#fff;display:flex;align-items:center}.contact-home-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:90px;align-items:end}.contact-home h2{font-size:clamp(54px,7vw,100px)}.contact-home-actions p{color:#aaa79f;line-height:1.7;margin-bottom:28px}.footer-logo{color:#fff}.footer p{color:#aaa79f;max-width:390px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.home-screen{min-height:auto}.home-hero{min-height:760px}.collection-grid{grid-template-columns:1fr 1fr;grid-template-rows:360px 280px 280px}.collection-card.large{grid-row:auto;grid-column:1/3}.collection-card.wide{grid-column:1/3}.advantage-layout,.factory-grid,.resources-grid,.contact-home-inner{grid-template-columns:1fr;gap:45px}.advantage-image img{height:520px}.floating-label{right:15px}.project-slider{grid-template-columns:1fr}.project-side{grid-template-columns:1fr 1fr;grid-template-rows:280px}.factory-metrics{grid-template-columns:1fr 1fr}.home-heading{align-items:flex-start;flex-direction:column}.application-item{grid-template-columns:60px 1fr}.application-item p{display:none}}
@media(max-width:600px){.home-hero{min-height:680px}.home-hero-inner{padding:70px 0 55px}.home-hero h1{font-size:58px}.hero-index{display:none}.home-section{padding:78px 0}.collection-grid{display:block}.collection-card{display:block;height:300px;margin-bottom:12px}.collection-card.large,.collection-card.wide{height:390px}.application-item h3{font-size:24px}.advantage-image img,.project-feature img,.factory-visual img{height:420px}.floating-label{position:relative;right:auto;bottom:auto;width:auto}.advantage-list{grid-template-columns:1fr}.project-side{grid-template-columns:1fr;grid-template-rows:250px 250px}.factory-metrics{grid-template-columns:1fr 1fr}.resources-grid{gap:50px}.contact-home h2{font-size:54px}.contact-home{padding:85px 0}}