:root{--ink:#111210;--paper:#f2f0eb;--white:#fff;--copper:#c98743;--copper-2:#eda85e;--line:rgba(17,18,16,.16);--muted:#696a65;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:1rem;top:-4rem;background:#fff;padding:.8rem 1rem;z-index:100}.skip-link:focus{top:1rem}.site-header{position:absolute;inset:0 0 auto;z-index:10;color:#fff;border-bottom:1px solid rgba(255,255,255,.16)}.header-inner{height:92px;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:grid;place-items:center;border:1px solid currentColor;font:800 25px/1 Arial;transform:skew(-7deg)}.brand-copy{display:grid;line-height:1}.brand-copy strong{font:800 19px/1 Arial;letter-spacing:.12em}.brand-copy small{margin-top:6px;font-size:10px;letter-spacing:.36em;opacity:.66}nav{display:flex;align-items:center;gap:38px;font-size:14px}nav a{position:relative}nav a:not(.nav-cta):after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;background:var(--copper-2);transition:.3s}nav a:hover:after{right:0}.nav-cta{border:1px solid rgba(255,255,255,.5);padding:13px 18px}.nav-cta span{color:var(--copper-2);margin-left:9px}.menu-toggle{display:none;background:none;border:0;color:#fff}.hero{position:relative;min-height:830px;height:100vh;max-height:980px;color:#fff;overflow:hidden;background:#0c0e0f}.hero-media{position:absolute;inset:0;background:url("assets/hero-bearings.png") 58% center/cover no-repeat}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,11,.94) 0%,rgba(8,10,11,.78) 32%,rgba(8,10,11,.12) 68%,rgba(8,10,11,.2) 100%),linear-gradient(0deg,rgba(0,0,0,.4),transparent 40%)}.hero-grid{position:absolute;inset:0;opacity:.07;background-image:linear-gradient(rgba(255,255,255,.8) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.8) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,#000,transparent 65%)}.hero-content{position:relative;z-index:2;max-width:var(--max);height:100%;margin:auto;padding:190px 24px 58px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.eyebrow,.section-kicker{font:700 11px/1.2 Arial,sans-serif;letter-spacing:.25em;text-transform:uppercase;color:#8b8c86}.eyebrow{color:#c8c9c4}.eyebrow span{display:inline-block;width:30px;height:1px;background:var(--copper-2);vertical-align:middle;margin-right:12px}.hero h1{font-size:clamp(50px,6vw,86px);line-height:1.06;letter-spacing:-.045em;margin:28px 0 26px;font-weight:650}.hero h1 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span{display:block;color:#999c98;font-size:12px;margin-top:9px}.scroll-cue{position:absolute;right:34px;bottom:42px;z-index:2;font:10px/1 Arial;letter-spacing:.2em;writing-mode:vertical-rl;color:#aaa}.scroll-cue span{display:block;height:58px;width:1px;background:var(--copper);margin:0 auto 12px}.section{max-width:var(--max);margin:auto;padding:120px 24px}.statement{display:grid;grid-template-columns:1fr 3fr;gap:40px}.statement-copy{display:grid;grid-template-columns:1.6fr 1fr;align-items:end;gap:70px}.statement h2,.section-head h2,.advantages h2,.about h2,.contact h2{font-size:clamp(38px,4.2vw,64px);line-height:1.15;letter-spacing:-.04em;margin:0;font-weight:650}.statement h2 span,.contact h2 span{color:var(--copper)}.statement p,.section-head>p,.advantages-top>p,.about-copy>p,.contact-copy>p{color:var(--muted);line-height:1.9;margin:0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:46px}.section-head .section-kicker{margin:0 0 18px}.section-head>p{text-align:right;font-size:14px}.filter-tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:24px;overflow:auto}.filter-tabs button{border:0;background:transparent;padding:9px 15px;color:#777;cursor:pointer;white-space:nowrap;border-radius:30px}.filter-tabs button.active{background:var(--ink);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.product-card{position:relative;min-height:430px;background:#e8e5df;overflow:hidden;padding:42px}.product-card.featured{background:#ddd6c9}.product-card.dark{background:#151615;color:#fff}.product-card.muted{background:#d9d9d4}.product-copy{position:relative;z-index:2}.product-copy>span{font:11px/1 Arial;letter-spacing:.16em;color:#85857f}.product-copy h3{font-size:32px;line-height:1.18;margin:24px 0 12px}.product-copy p{font-size:13px;color:#777}.dark .product-copy p,.dark .product-copy>span{color:#999}.product-copy a{display:inline-flex;gap:12px;margin-top:21px;font-size:13px;border-bottom:1px solid currentColor;padding-bottom:5px}.product-copy a b{color:var(--copper)}.product-visual{position:absolute;right:5%;bottom:1%;filter:drop-shadow(15px 20px 18px rgba(0,0,0,.25));transition:.5s}.product-card:hover .product-visual{transform:translateY(-8px) rotate(-2deg)}.bearing-a{width:230px;height:260px;border-radius:42% 42% 40% 40%;background:linear-gradient(105deg,#a56329,#f3bd71 25%,#bb752f 55%,#f2b767 78%,#8b4f1f);border:8px solid #8e541f}.bearing-a:after{content:"";position:absolute;left:23px;right:23px;top:-16px;height:45px;border-radius:50%;background:radial-gradient(ellipse at center,#151515 0 48%,#e8a657 50% 68%,#8d4e1e 72%)}.bearing-a i{position:absolute;width:15px;height:15px;border-radius:50%;background:#20211e;box-shadow:inset 2px 2px 3px #000}.bearing-a i:nth-child(1){left:35px;top:45px}.bearing-a i:nth-child(2){left:92px;top:64px}.bearing-a i:nth-child(3){left:155px;top:43px}.bearing-a i:nth-child(4){left:53px;top:118px}.bearing-a i:nth-child(5){left:132px;top:128px}.bearing-a i:nth-child(6){left:25px;top:190px}.bearing-a i:nth-child(7){left:93px;top:205px}.bearing-a i:nth-child(8){left:177px;top:182px}.plate{width:290px;height:128px;right:3%;bottom:35px;transform:rotate(-9deg);background:radial-gradient(circle,#20211e 0 6px,transparent 7px) 0 0/36px 34px,linear-gradient(105deg,#a56029,#efb766 45%,#9a5725);border:5px solid #8e541f}.plate:after{content:"";position:absolute;inset:16px;border:2px solid rgba(70,37,13,.5)}.flange{width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,#111 0 29%,#d28a40 30% 34%,#a96128 35% 43%,#ebb367 44% 66%,#96521f 67%);right:7%;bottom:28px}.flange i{position:absolute;width:18px;height:18px;border-radius:50%;background:#151515}.flange i:nth-child(1){left:106px;top:17px}.flange i:nth-child(2){right:23px;top:105px}.flange i:nth-child(3){left:106px;bottom:17px}.flange i:nth-child(4){left:23px;top:105px}.bearing-b{width:210px;height:220px;border-radius:40%;background:linear-gradient(90deg,#a26b3e,#e2a66a 20%,#b0733f 54%,#ecc28c 80%,#90603a);right:5%;bottom:20px}.bearing-b:after{content:"";position:absolute;left:15px;right:15px;top:-12px;height:45px;border-radius:50%;background:radial-gradient(ellipse,#171818 0 48%,#df9e58 50% 70%,#81512f 72%)}.advantages{position:relative;background:#121311;color:#fff;overflow:hidden}.advantages-bg{position:absolute;inset:0;background:radial-gradient(circle at 75% 30%,rgba(201,135,67,.16),transparent 30%),linear-gradient(120deg,transparent 0 65%,rgba(255,255,255,.025) 65% 66%,transparent 66%);background-size:auto,110px 110px}.advantages-inner{position:relative}.section-kicker.light{color:#aaa}.advantages-top{display:grid;grid-template-columns:1.4fr .8fr;align-items:end;gap:100px;margin:25px 0 75px}.advantages-top>p{color:#a2a49f}.advantage-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #3d3e3a}.advantage-list article{position:relative;padding:36px 25px 10px;border-right:1px solid #3d3e3a;min-height:265px}.advantage-list article:first-child{padding-left:0}.advantage-list article:last-child{border:0}.advantage-list article>span{font:11px/1 Arial;color:#686a65}.adv-icon{font:300 44px/1 serif;color:var(--copper);margin:35px 0 24px}.advantage-list h3{font-size:20px;margin:0 0 14px}.advantage-list p{font-size:13px;line-height:1.8;color:#8e908b;margin:0}.application-list{border-top:1px solid var(--line)}.app-row{height:130px;position:relative;display:grid;grid-template-columns:70px 1fr 1fr 70px;gap:20px;align-items:center;border-bottom:1px solid var(--line);overflow:hidden;transition:.4s;outline:0}.app-row>span{font:11px Arial;color:#999}.app-row h3{font-size:27px;margin:0}.app-row p{font-size:13px;color:#777}.app-row>b{font-weight:400;font-size:22px;justify-self:end}.app-row:hover,.app-row:focus,.app-row.active{padding-left:25px;color:#fff;background:#1b1c1a}.app-row:hover p,.app-row:focus p,.app-row.active p{color:#bbb}.app-art{position:absolute;width:210px;height:100px;right:80px;opacity:0;transform:translateY(20px);transition:.4s;background:linear-gradient(145deg,#5d3b20,#d28d47);clip-path:polygon(15% 15%,100% 0,85% 85%,0 100%)}.app-row:hover .app-art,.app-row:focus .app-art,.app-row.active .app-art{opacity:.7;transform:none}.app-art i{position:absolute;border:5px solid #111;border-radius:50%;width:40px;height:40px;bottom:16px}.app-art i:first-child{left:35px}.app-art i:last-child{right:35px}.about{padding-top:40px}.about-card{position:relative;overflow:hidden;min-height:540px;background:var(--copper);padding:80px;display:grid;grid-template-columns:1.2fr 1fr;align-items:center}.about-mark{position:absolute;right:-40px;top:-150px;font:900 650px/.9 Arial;color:rgba(0,0,0,.08);transform:skew(-6deg)}.about-copy{position:relative;max-width:550px}.about-copy h2{font-size:60px;margin:20px 0 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span{color:var(--copper);transform:translate(3px,-3px)}.contact-panel p{font-size:13px;color:#777;margin-top:22px}footer{background:#0e0f0e;color:#fff;padding:60px max(24px,calc((100vw - var(--max))/2 + 24px)) 24px}.footer-top{display:flex;align-items:center;gap:50px;padding-bottom:50px;border-bottom:1px solid #31322f}.footer-top p{color:#888;margin-right:auto}.footer-top>a:last-child{font-size:12px;color:#aaa}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:22px;color:#666;font-size:11px}.product-card[hidden]{display:none}
@media(max-width:1100px){nav{display:none;position:absolute;top:76px;left:0;right:0;background:#111;padding:25px;flex-direction:column;align-items:stretch;gap:20px}nav.open{display:flex}.header-inner{height:76px}.menu-toggle{display:grid;gap:6px;padding:10px}.menu-toggle span{width:25px;height:1px;background:currentColor}.hero{min-height:780px}.hero-content{padding-top:130px}.hero-media{background-position:62% center}.hero-overlay{background:linear-gradient(90deg,rgba(8,10,11,.93),rgba(8,10,11,.48))}.statement{grid-template-columns:1fr}.statement-copy{grid-template-columns:1fr;gap:25px}.section{padding:85px 24px}.product-card{min-height:390px;padding:32px}.product-visual{opacity:.75}.advantages-top{grid-template-columns:1fr;gap:25px}.advantage-list{grid-template-columns:repeat(2,1fr)}.advantage-list article:nth-child(2){border-right:0}.advantage-list article:nth-child(-n+2){border-bottom:1px solid #3d3e3a}.app-row{grid-template-columns:45px 1fr 1fr 35px}.app-art{display:none}.about-card{padding:55px;grid-template-columns:1fr;gap:45px}.about-data{border-left:0;border-top:1px solid rgba(0,0,0,.25);padding:20px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.contact{grid-template-columns:1fr;gap:50px}}
@media(max-width:640px){.hero{height:auto;min-height:760px}.hero-content{justify-content:flex-end;padding-bottom:65px}.hero h1{font-size:48px}.hero-lead{font-size:15px}.hero-actions{align-items:flex-start;gap:20px;flex-direction:column}.hero-metrics{width:100%;margin-top:45px}.hero-metrics div{padding-right:16px;margin-right:16px}.hero-metrics div+div{padding-left:16px}.hero-metrics strong{font-size:24px}.scroll-cue{display:none}.section{padding:72px 20px}.statement{padding-top:80px}.statement h2,.section-head h2,.advantages h2,.contact h2{font-size:39px}.section-head{display:block}.section-head>p{text-align:left;margin-top:20px}.product-grid{grid-template-columns:1fr}.product-card{min-height:380px}.product-copy h3{font-size:27px}.product-visual{transform:scale(.82);transform-origin:right bottom}.product-card:hover .product-visual{transform:scale(.82) translateY(-8px)}.advantage-list{grid-template-columns:1fr}.advantage-list article{border-right:0;border-bottom:1px solid #3d3e3a!important;padding-left:0;min-height:220px}.app-row{height:110px;grid-template-columns:35px 1fr 30px}.app-row p{display:none}.about{padding-left:0;padding-right:0}.about-card{padding:50px 24px}.about-copy h2{font-size:45px}.about-data{grid-template-columns:1fr}.about-mark{font-size:400px}.contact{padding-bottom:80px}.footer-top{align-items:flex-start;flex-wrap:wrap}.footer-top p{width:100%;order:3}.footer-bottom{flex-direction:column}.brand-mark{width:38px;height:38px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Indexable inner pages */
.inner-page .site-header{position:absolute}.inner-hero{min-height:420px;padding:160px max(24px,calc((100vw - var(--max))/2 + 24px)) 80px;display:flex;align-items:flex-end;color:#fff;background:radial-gradient(circle at 78% 35%,rgba(201,135,67,.3),transparent 23%),linear-gradient(125deg,#0a0b0b,#22231f)}.inner-hero>div{max-width:1000px}.inner-hero h1{font-size:clamp(42px,5.4vw,76px);line-height:1.12;letter-spacing:-.04em;margin:22px 0 0;max-width:1050px}.content-section{min-height:380px}.lead-grid,.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.lead-grid h2,.detail-grid h2{font-size:clamp(38px,4.5vw,64px);line-height:1.15;margin:0}.lead-grid h2 span{color:var(--copper)}.lead-grid h3{font-size:20px;margin:0 0 12px}.lead-grid h3:not(:first-child){margin-top:42px}.lead-grid p,.prose p,.detail-lead,.article-body p{font-size:15px;line-height:2;color:var(--muted)}.prose{margin-top:75px;padding:50px;border-top:1px solid var(--line);columns:2;column-gap:70px}.prose p{margin:0 0 22px;break-inside:avoid}.category-strip{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:42px}.category-strip span{padding:10px 16px;border:1px solid var(--line);border-radius:30px;font-size:12px}.catalog-grid,.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.catalog-card,.case-card{min-height:350px;background:#e6e2da;padding:32px;display:flex;flex-direction:column}.catalog-card:nth-child(3n+2),.case-card:nth-child(3n+2){background:#d7d2c9}.catalog-card:nth-child(4n),.case-card:nth-child(4n){background:#191a18;color:#fff}.catalog-index,.case-card>span{font:11px Arial;color:var(--copper);letter-spacing:.15em}.catalog-card>p:first-of-type{font-size:11px;color:#888;letter-spacing:.1em;margin-top:55px}.catalog-card h2,.case-card h2,.news-list h2{font-size:24px;line-height:1.35;margin:14px 0}.catalog-card>p:last-of-type,.case-card p,.news-list p{font-size:13px;line-height:1.8;color:#777}.catalog-card .card-link,.case-card .card-link{margin-top:auto}.card-link{font-size:12px;border-bottom:1px solid currentColor;align-self:flex-start;padding-bottom:5px}.case-card{min-height:310px}.case-card h2{margin-top:45px}.detail-lead{font-size:17px}.detail-grid .button{margin-top:30px}.spec-panel{background:#e4dfd6;padding:45px;font-style:normal}.spec-panel h3{margin:0 0 20px}.spec-panel h3:not(:first-child){margin-top:38px}.spec-panel ul{padding-left:20px;line-height:2}.spec-panel p{line-height:1.8;color:#666}.spec-panel small{display:block;color:#888;font-size:11px;margin-bottom:6px}.spec-panel a{font-size:20px}.breadcrumb{margin-top:65px!important}.breadcrumb a{color:var(--copper)}.article-body{max-width:900px}.article-intro{font-size:20px!important;color:var(--ink)!important}.article-body h2{font-size:34px;margin-top:48px}.article-body ol{padding-left:24px}.article-body li{padding:13px 0 13px 10px;border-bottom:1px solid var(--line);line-height:1.8}.article-body aside{margin-top:55px;padding:35px;background:#181917;color:#fff}.article-body aside p{color:#aaa}.article-body aside a{color:var(--copper)}.news-list article{padding:45px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:150px 1fr 1fr;gap:35px}.news-list time{font:12px Arial;color:var(--copper)}.news-list h2{margin:0}.news-list p{margin:0}.news-list .card-link{grid-column:2}
@media(max-width:900px){.inner-hero{min-height:360px;padding-top:135px}.lead-grid,.detail-grid{grid-template-columns:1fr;gap:45px}.catalog-grid,.case-grid{grid-template-columns:repeat(2,1fr)}.prose{columns:1;padding:35px 0}.news-list article{grid-template-columns:110px 1fr}.news-list p{grid-column:2}.news-list .card-link{grid-column:2}}
@media(max-width:640px){.inner-hero{min-height:310px;padding:120px 20px 50px}.inner-hero h1{font-size:39px}.catalog-grid,.case-grid{grid-template-columns:1fr}.catalog-card,.case-card{min-height:290px}.content-section{padding-top:60px}.lead-grid,.detail-grid{gap:35px}.spec-panel{padding:30px 24px}.news-list article{display:block;padding:32px 0}.news-list time{display:block;margin-bottom:15px}.news-list .card-link{display:inline-block;margin-top:15px}}

/* Interaction and form enhancements */
.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}
nav a[aria-current="page"]:after{right:0!important}
.catalog-tools{display:grid;gap:24px;margin-bottom:42px}
.catalog-tools input{width:100%;max-width:520px;border:0;border-bottom:1px solid var(--line);background:transparent;padding:15px 4px;font:16px inherit;outline:none;border-radius:0}
.catalog-tools input:focus{border-color:var(--copper)}
.catalog-tools .category-strip{margin:0}
.category-strip button{padding:10px 16px;border:1px solid var(--line);border-radius:30px;font-size:12px;background:transparent;cursor:pointer;color:var(--ink)}
.category-strip button:hover,.category-strip button.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.catalog-card[hidden]{display:none}
.empty-state{padding:45px;text-align:center;background:#e4dfd6;color:var(--muted)}
.quote-form{display:grid;gap:18px;margin-top:42px}
.quote-form label{position:relative;display:grid;gap:8px;font-size:12px;color:#666}
.quote-form label>em,.quote-form label>small{position:absolute;right:0;top:0;font-style:normal;font-size:10px}.quote-form label>em{color:#b45d2d}.quote-form label>small{color:#999}
.quote-form input,.quote-form textarea{width:100%;border:1px solid var(--line);background:#fff;padding:14px 16px;font:14px/1.6 inherit;outline:none;resize:vertical;border-radius:0}
.quote-form input:focus,.quote-form textarea:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(201,135,67,.12)}
.quote-form .button{border:0;cursor:pointer;width:max-content}
.form-note{font-size:11px!important;color:#888!important;margin:0!important}
@media(max-width:640px){.catalog-tools input{max-width:none}.category-strip{flex-wrap:nowrap;overflow:auto;padding-bottom:7px}.category-strip button{white-space:nowrap}.quote-form .button{width:100%}}

/* Global motion and conversion interactions */
.scroll-progress{position:fixed;z-index:80;left:0;right:0;top:0;height:2px;pointer-events:none}.scroll-progress i{display:block;width:100%;height:100%;background:var(--copper-2);transform:scaleX(0);transform-origin:left;will-change:transform}
.site-header{transition:background .3s,box-shadow .3s,backdrop-filter .3s,transform .3s}
.site-header.scrolled{position:fixed;background:rgba(14,15,14,.9);backdrop-filter:blur(16px);box-shadow:0 8px 35px rgba(0,0,0,.18)}
.site-header.scrolled .header-inner{height:72px}
.floating-inquiry{position:fixed;right:0;top:50%;z-index:45;transform:translateY(-50%);border:0;background:var(--copper);color:#111;padding:20px 13px;display:grid;gap:12px;place-items:center;cursor:pointer;box-shadow:0 12px 32px rgba(0,0,0,.2)}
.floating-inquiry span{font-size:12px;letter-spacing:.14em;writing-mode:vertical-rl}.floating-inquiry b{font-size:16px;transition:transform .25s}.floating-inquiry:hover b{transform:translate(2px,-2px)}
.back-top{position:fixed;right:22px;bottom:24px;z-index:44;width:44px;height:44px;border:1px solid rgba(255,255,255,.2);background:#171816;color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s}.back-top.visible{opacity:1;visibility:visible;transform:none}.back-top:hover{background:var(--copper);color:#111}
.quote-backdrop{position:fixed;z-index:90;inset:0;background:rgba(0,0,0,.58);opacity:0;transition:opacity .28s;backdrop-filter:blur(4px)}.quote-backdrop.open{opacity:1}
.quote-drawer{position:fixed;z-index:91;right:0;top:0;width:min(520px,100%);height:100dvh;overflow:auto;background:var(--paper);padding:68px 60px;color:var(--ink);transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.75,.2,1);box-shadow:-25px 0 70px rgba(0,0,0,.25)}.quote-drawer.open{transform:none}.quote-drawer h2{font-size:44px;margin:16px 0}.quote-drawer>p:not(.section-kicker){color:var(--muted);line-height:1.8}.drawer-close{position:absolute;right:24px;top:20px;width:42px;height:42px;border:1px solid var(--line);background:transparent;font-size:28px;font-weight:200;cursor:pointer}.drawer-close:hover{background:var(--ink);color:#fff}.drawer-open{overflow:hidden}
.quote-form select{width:100%;border:1px solid var(--line);background:#fff;padding:14px 16px;font:14px/1.6 inherit;outline:none;border-radius:0}.quote-form select:focus{border-color:var(--copper);box-shadow:0 0 0 2px rgba(201,135,67,.12)}
.catalog-card,.product-card,.case-card{position:relative}.catalog-card:after,.product-card:after,.case-card:after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.26),transparent 70%);transition:opacity .25s}.catalog-card:hover:after,.product-card:hover:after,.case-card:hover:after{opacity:1}.catalog-card>*{position:relative;z-index:1}.app-row[role="link"]{cursor:pointer}
@media(max-width:1100px){nav{display:flex;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .22s,transform .22s,visibility .22s}nav.open{display:flex;opacity:1;visibility:visible;transform:none}.menu-toggle span{transition:transform .25s,opacity .25s}.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.site-header.scrolled .header-inner{height:64px}}
@media(max-width:640px){.floating-inquiry{top:auto;left:0;right:0;bottom:0;transform:none;height:54px;padding:0 20px;display:flex;justify-content:center;gap:12px}.floating-inquiry span{writing-mode:horizontal-tb}.back-top{right:14px;bottom:68px}.quote-drawer{padding:60px 22px 30px}.quote-drawer h2{font-size:36px}body{padding-bottom:54px}footer{padding-bottom:78px}}
@media(prefers-reduced-motion:reduce){.quote-drawer,.quote-backdrop,.back-top,.site-header{transition:none!important}.hero-media{transform:none!important}}

/* Product mega menu */
.nav-products{position:relative}.product-trigger{display:flex;align-items:center;gap:7px}.product-trigger i{font-style:normal;color:var(--copper-2);transition:transform .25s}.nav-products:hover .product-trigger i,.nav-products:focus-within .product-trigger i{transform:rotate(180deg)}
.mega-menu{position:absolute;right:-330px;top:calc(100% + 30px);width:min(920px,calc(100vw - 48px));padding:32px;background:#f2f0eb;color:var(--ink);display:grid;grid-template-columns:1.05fr 1fr 1.3fr;gap:34px;box-shadow:0 28px 70px rgba(0,0,0,.28);opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s;pointer-events:none}
.mega-menu:before{content:"";position:absolute;left:0;right:0;top:-34px;height:34px}.nav-products:hover .mega-menu,.nav-products:focus-within .mega-menu{opacity:1;visibility:visible;transform:none;pointer-events:auto}.mega-menu small{display:block;font:700 10px Arial;letter-spacing:.2em;color:#8b8c86;margin-bottom:18px}.mega-menu a:after{display:none!important}.mega-intro{padding:6px 26px 6px 0;border-right:1px solid var(--line)}.mega-intro strong{display:block;font-size:23px;line-height:1.45;margin-bottom:42px}.mega-intro>a{font-size:12px;color:var(--copper);border-bottom:1px solid currentColor;padding-bottom:4px}.mega-categories{display:grid;grid-template-columns:1fr;align-content:start}.mega-categories>a{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px}.mega-categories>a:hover{color:var(--copper);padding-left:4px}.mega-featured>a{display:grid;grid-template-columns:62px 1fr;gap:12px;align-items:center;padding:6px;margin-bottom:4px}.mega-featured>a:hover{background:#fff}.mega-featured img{width:62px;height:48px;object-fit:contain;background:#fff}.mega-featured span{font-size:12px}.mega-featured em{display:block;font-style:normal;font-size:9px;color:#92938d;margin-top:4px}

/* Selection assistant */
.selection-lab>.section{padding-top:64px;padding-bottom:64px}
@media(max-width:900px){.selection-lab>.section{padding-top:52px;padding-bottom:52px}}
@media(max-width:640px){.selection-lab>.section{padding-top:40px;padding-bottom:40px}}
.selection-lab{background:#141513;color:#fff}.selection-lab>.section{display:grid;grid-template-columns:.72fr 1.45fr;gap:80px}.selector-copy h2{font-size:clamp(38px,4vw,58px);margin:18px 0}.selector-copy>p:last-child{color:#999;line-height:1.8}.selector-steps{display:grid;gap:12px}.selector-steps fieldset{border:1px solid #3b3c38;padding:22px;display:flex;align-items:center;gap:9px;margin:0}.selector-steps legend{float:left;width:150px;font-size:14px}.selector-steps legend span{color:var(--copper);font:11px Arial;margin-right:12px}.selector-steps button{border:1px solid #494a46;background:transparent;color:#aaa;padding:10px 14px;cursor:pointer}.selector-steps button:hover,.selector-steps button.selected{border-color:var(--copper);background:var(--copper);color:#111}.selector-result{margin-top:8px;background:#242522;padding:25px;display:grid;grid-template-columns:1fr auto;gap:7px 25px;align-items:center}.selector-result small,.selector-result p{grid-column:1}.selector-result small{color:var(--copper);font:10px Arial;letter-spacing:.15em}.selector-result strong{font-size:19px}.selector-result p{font-size:11px;color:#858680;margin:0}.selector-result button{grid-column:2;grid-row:1/4;color:var(--ink);border-color:var(--copper);background:var(--copper)}.selector-result button:disabled{opacity:.35;cursor:not-allowed}

/* Product catalog photography */
.catalog-card{min-height:615px}.catalog-thumb{height:280px;margin:-12px -12px 22px;padding:22px;background:#f8f7f3;display:grid;place-items:center;overflow:hidden}.catalog-thumb img{display:block;width:100%;height:100%;object-fit:contain;object-position:center;transform:scale(.94);transition:transform .45s}.catalog-card:hover .catalog-thumb img{transform:scale(.99)}.catalog-card .catalog-index{position:absolute;right:26px;top:313px}.catalog-card>p:first-of-type{margin-top:15px}

/* Product details and technical data */
.product-detail{padding-top:90px}.product-showcase{display:grid;grid-template-columns:1.15fr 1fr;gap:80px;align-items:center}.product-photo{margin:0;background:#fff;min-height:520px;display:grid;place-items:center}.product-photo button{position:relative;border:0;background:transparent;width:100%;height:100%;min-height:520px;padding:28px;cursor:zoom-in}.product-photo img{display:block;width:100%;height:520px;object-fit:contain}.product-photo span{position:absolute;right:20px;bottom:18px;font-size:11px;background:#111;color:#fff;padding:9px 12px}.product-summary h2{font-size:clamp(38px,4vw,60px);line-height:1.18;margin:20px 0}.feature-chips{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0}.feature-chips span{border:1px solid var(--line);border-radius:30px;padding:9px 13px;font-size:11px}.technical-data{display:grid;grid-template-columns:.68fr 1.32fr;gap:75px;margin-top:110px;padding-top:65px;border-top:1px solid var(--line)}.technical-data h2{font-size:44px;margin:16px 0}.technical-data>div>p:last-child{color:var(--muted);line-height:1.8;font-size:13px}.table-scroll{overflow:auto}.technical-data table{width:100%;border-collapse:collapse;background:#fff}.technical-data th,.technical-data td{text-align:left;padding:17px 20px;border-bottom:1px solid #e3e0d9;font-size:13px}.technical-data th{width:38%;color:#73746f;font-weight:500}.technical-data tr:hover{background:#f5eee6}.custom-note{margin-top:80px;background:var(--copper);padding:45px;display:grid;grid-template-columns:120px 1fr auto;gap:40px;align-items:center}.custom-note>span{font:700 12px Arial;letter-spacing:.18em}.custom-note h2{font-size:30px;margin:0 0 8px}.custom-note p{margin:0;font-size:13px;line-height:1.7}.custom-note button{border:1px solid #111;background:transparent;padding:14px 18px;cursor:pointer}.related{margin-top:100px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.related-grid>a{background:#e5e1da;padding:20px;display:grid}.related-grid img{width:100%;height:180px;object-fit:contain;background:#fff;margin-bottom:20px}.related-grid span{font-size:10px;color:#858680}.related-grid strong{font-size:17px;margin-top:7px}.image-lightbox{position:fixed;z-index:120;inset:0;background:rgba(5,5,5,.92);display:grid;place-items:center;padding:35px}.image-lightbox img{max-width:min(1100px,95vw);max-height:90vh;object-fit:contain;background:#fff}.image-lightbox button{position:fixed;right:24px;top:20px;width:46px;height:46px;border:1px solid #777;background:#111;color:#fff;font-size:28px;cursor:pointer}

@media(max-width:1100px){.mega-menu{position:static;width:auto;padding:12px 0 0;box-shadow:none;background:transparent;color:#fff;display:none;opacity:1;visibility:visible;transform:none;pointer-events:auto}.nav-products.mobile-open .mega-menu{display:block}.mega-intro,.mega-featured{display:none}.mega-categories small{display:none}.mega-categories>a{color:#aaa;padding:10px 4px}.mega-categories>a span{color:var(--copper)}.selection-lab>.section{grid-template-columns:1fr;gap:45px}.product-showcase{grid-template-columns:1fr;gap:45px}.technical-data{grid-template-columns:1fr;gap:30px}.custom-note{grid-template-columns:1fr;gap:18px}.custom-note button{justify-self:start}.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.selector-steps fieldset{display:grid;grid-template-columns:repeat(2,1fr)}.selector-steps legend{float:none;width:auto;grid-column:1/-1;margin-bottom:10px}.selector-result{display:block}.selector-result strong,.selector-result p{display:block;margin:8px 0}.selector-result button{width:100%;margin-top:15px}.catalog-card{min-height:500px}.product-detail{padding-top:55px}.product-photo,.product-photo button{min-height:370px}.product-photo img{height:370px}.technical-data{margin-top:70px}.technical-data h2{font-size:36px}.technical-data th,.technical-data td{padding:14px 12px;min-width:135px}.custom-note{margin-top:55px;padding:30px 22px}.related{margin-top:70px}.related-grid{grid-template-columns:1fr}.related-grid img{height:210px}.image-lightbox{padding:12px}.image-lightbox button{right:12px;top:12px}}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
@media(max-width:900px){body.nav-open{overflow:hidden}body.nav-open nav{max-height:calc(100dvh - 64px);overflow-y:auto}.hero-metrics strong{white-space:nowrap}}
@media(max-width:640px){.hero-metrics strong{font-size:20px}.hero-metrics div{min-width:0}.hero-metrics span{line-height:1.4}}

/* Product comparison */
.catalog-actions{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto}.catalog-actions .card-link{margin-top:0}.compare-toggle{border:0;background:transparent;color:inherit;padding:7px 0;border-bottom:1px solid transparent;font-size:11px;cursor:pointer;white-space:nowrap}.compare-toggle:hover,.compare-toggle.selected{color:var(--copper);border-color:currentColor}.compare-bar{position:fixed;z-index:65;left:50%;bottom:22px;transform:translateX(-50%);width:min(620px,calc(100vw - 32px));background:#111;color:#fff;padding:13px 15px 13px 20px;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:10px;box-shadow:0 18px 50px rgba(0,0,0,.3)}.compare-bar[hidden]{display:none}.compare-bar div{display:grid}.compare-bar small{color:var(--copper);font:10px Arial;letter-spacing:.15em}.compare-bar span{font-size:12px;margin-top:3px}.compare-bar button{border:1px solid #555;background:transparent;color:#fff;padding:10px 14px;cursor:pointer}.compare-bar [data-show-compare]{background:var(--copper);border-color:var(--copper);color:#111}.compare-bar button:disabled{opacity:.45;cursor:not-allowed}.compare-modal{position:fixed;z-index:130;inset:0;background:rgba(5,5,5,.8);display:grid;place-items:center;padding:24px}.compare-panel{width:min(1180px,96vw);max-height:90vh;overflow:hidden;background:var(--paper);padding:34px;display:grid;grid-template-rows:auto 1fr}.compare-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:25px}.compare-head h2{font-size:34px;margin:10px 0 0}.compare-head button{width:44px;height:44px;border:1px solid var(--line);background:transparent;font-size:26px;cursor:pointer}.compare-panel .table-scroll{overflow:auto}.compare-panel table{width:100%;min-width:720px;border-collapse:collapse;background:#fff}.compare-panel th,.compare-panel td{padding:14px 16px;border:1px solid #e3e0d9;text-align:left;font-size:12px;line-height:1.6;vertical-align:top}.compare-panel thead th{position:sticky;top:0;background:#171816;color:#fff;min-width:190px}.compare-panel thead th:first-child,.compare-panel tbody th{min-width:125px}.compare-panel tbody th{background:#ebe7df;color:#686963;font-weight:500}

/* Engineering guide */
.guide-intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:end}.guide-intro h2{font-size:clamp(40px,4.5vw,64px);line-height:1.15;margin:18px 0 0}.guide-intro>p{color:var(--muted);line-height:1.9}.selection-checklist{list-style:none;padding:0;margin:70px 0 110px;border-top:1px solid var(--line)}.selection-checklist li{display:grid;grid-template-columns:65px 220px 1fr;gap:25px;padding:27px 0;border-bottom:1px solid var(--line);align-items:center}.selection-checklist b{font:11px Arial;color:var(--copper)}.selection-checklist strong{font-size:19px}.selection-checklist span{font-size:13px;line-height:1.8;color:var(--muted)}.material-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.material-grid .material-card{display:block;min-height:300px;padding:34px;background:#e3ded5}.material-grid .material-card:nth-child(2){background:#191a18;color:#fff}.material-grid span{font:11px Arial;color:var(--copper)}.material-grid h3{font-size:23px;line-height:1.4;margin:70px 0 16px}.material-grid p{font-size:13px;line-height:1.9;color:#74756f}.material-grid .material-card:nth-child(2) p{color:#aaa}.install-note{margin:110px 0;background:#151614;color:#fff;padding:55px;display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.install-note h2{font-size:38px;margin:18px 0}.install-note ul{margin:0;padding:0;list-style:none}.install-note li{padding:17px 0;border-bottom:1px solid #393a36;color:#bbb;font-size:13px;line-height:1.7}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;padding:24px 0;display:flex;justify-content:space-between;gap:20px;font-size:18px}.faq summary::-webkit-details-marker{display:none}.faq summary span{color:var(--copper);transition:.2s}.faq details[open] summary span{transform:rotate(45deg)}.faq details p{max-width:800px;margin:0;padding:0 0 26px;color:var(--muted);line-height:1.9;font-size:14px}.guide-cta{margin-top:100px;padding:50px;background:var(--copper);display:grid;grid-template-columns:1fr auto;align-items:center;gap:15px 40px}.guide-cta h2{margin:0;font-size:34px}.guide-cta p{margin:0}.guide-cta .button{grid-column:2;grid-row:1/3}.button-outline{border:1px solid var(--line)}.not-found{text-align:center;min-height:400px}.not-found>p{color:var(--muted);font-size:17px}.not-found>div{display:flex;justify-content:center;gap:12px;margin-top:35px}
@media(max-width:900px){.guide-intro,.install-note{grid-template-columns:1fr;gap:30px}.selection-checklist li{grid-template-columns:45px 180px 1fr}.material-grid{grid-template-columns:1fr}.material-grid .material-card{min-height:220px}.material-grid h3{margin-top:40px}.guide-cta{grid-template-columns:1fr}.guide-cta .button{grid-column:auto;grid-row:auto;justify-self:start}}
@media(max-width:640px){.catalog-actions{align-items:flex-start;flex-direction:column}.compare-bar{grid-template-columns:1fr auto;padding-left:15px}.compare-bar [data-clear-compare]{display:none}.compare-panel{padding:20px 14px}.compare-modal{padding:8px}.selection-checklist li{grid-template-columns:38px 1fr;gap:10px}.selection-checklist span{grid-column:2}.install-note{padding:35px 22px}.guide-cta{padding:35px 22px}.not-found>div{flex-direction:column}.not-found .button{width:100%}}

/* Responsive media and homepage banner slider */
img{max-width:100%;height:auto}
.hero-slides{position:absolute;inset:0}.hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .75s ease}.hero-slide.active{opacity:1;visibility:visible}.hero-slide .hero-media{transition:transform .5s ease}.hero-slide .hero-content{position:relative;height:100%}.hero-slide h2{font-size:clamp(50px,6vw,86px);line-height:1.06;letter-spacing:-.045em;margin:28px 0 26px;font-weight:650}.hero-slide h2 em{font-style:normal;color:var(--copper-2)}.hero-controls{position:absolute;z-index:5;right:max(24px,calc((100vw - var(--max))/2 + 24px));bottom:42px;display:flex;align-items:center;gap:13px}.hero-controls>button{width:38px;height:38px;border:1px solid rgba(255,255,255,.35);background:rgba(12,13,12,.4);color:#fff;cursor:pointer}.hero-dots{display:flex;gap:7px}.hero-dots button{width:28px;height:3px;padding:0;border:0;background:rgba(255,255,255,.35);cursor:pointer;transition:.25s}.hero-dots button.active{width:48px;background:var(--copper-2)}
.content-cover{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#fff}.case-card .content-cover{margin:-18px -18px 22px;width:calc(100% + 36px);max-width:none}.case-card>span{margin-top:4px}.case-card:has(.content-cover){min-height:470px}.article-cover{margin:0 0 48px}.article-cover img{display:block;width:100%;max-height:560px;aspect-ratio:5/3;object-fit:cover;background:#e5e1da}.news-list article:has(.content-cover){grid-template-columns:190px 120px 1fr;align-items:start}.news-list article>.content-cover{grid-row:1/4;grid-column:1}.news-list article>time{grid-column:2}.news-list article>h2,.news-list article>p,.news-list article>.card-link{grid-column:3}.news-list article>.card-link{margin-top:8px}
@media(max-width:900px){.hero-controls{right:24px}.news-list article:has(.content-cover){grid-template-columns:160px 1fr}.news-list article>.content-cover{grid-row:1/4}.news-list article>time,.news-list article>h2,.news-list article>p,.news-list article>.card-link{grid-column:2}}
@media(max-width:640px){.hero-slide h2{font-size:48px}.hero-controls{right:20px;bottom:22px}.hero-controls>button{display:none}.hero-dots button{width:22px}.hero-dots button.active{width:38px}.news-list article:has(.content-cover){display:grid;grid-template-columns:1fr}.news-list article>.content-cover,.news-list article>time,.news-list article>h2,.news-list article>p,.news-list article>.card-link{grid-column:1}.news-list article>.content-cover{grid-row:auto;margin-bottom:18px}.case-card:has(.content-cover){min-height:430px}.article-cover{margin-bottom:30px}}

/* Product detail gallery */
.product-gallery{position:relative;display:flex;flex-direction:column;overflow:hidden}.product-gallery>[data-lightbox]{display:block;flex:1}.product-thumbnails{position:static;order:2;display:flex;justify-content:center;gap:10px;overflow-x:auto;padding:12px 14px;border-top:1px solid #e3e0d9;background:#f7f5f0}.product-gallery .product-thumbnails button{flex:0 0 68px;width:68px;height:68px;min-height:0;border:1px solid #dedad2;background:#fff;padding:4px;cursor:pointer}.product-thumbnails button.active{border:2px solid var(--copper);box-shadow:0 0 0 2px rgba(207,136,60,.12)}.product-thumbnails img{display:block;width:100%;height:100%;object-fit:contain}.gallery-arrows{position:absolute;z-index:3;right:15px;top:15px;display:flex;gap:5px}.product-gallery .gallery-arrows button{width:38px;height:38px;min-height:0;padding:0;border:1px solid var(--line);background:rgba(255,255,255,.94);cursor:pointer}.gallery-arrows button:hover{background:var(--copper);border-color:var(--copper)}
@media(max-width:640px){.product-thumbnails{justify-content:flex-start;padding:10px 12px}.product-gallery .product-thumbnails button{flex-basis:58px;width:58px;height:58px}.product-gallery .gallery-arrows button{width:34px;height:34px}}

/* Brand identity — Plan A */
.brand-mark{width:68px;height:50px;border:0;transform:none;display:grid;place-items:center;flex:0 0 auto}.brand-mark img{display:block;width:100%;height:100%;object-fit:contain;filter:brightness(0) saturate(100%) invert(56%) sepia(42%) saturate(860%) hue-rotate(350deg) brightness(94%) contrast(88%)}.brand-copy small{font-size:13px;letter-spacing:.24em}.site-header .brand-mark img,footer .brand-mark img{filter:grayscale(1) brightness(0) invert(1)}
.about-building{position:absolute;inset:0;margin:0;z-index:0}.about-building img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 42%}.about-building:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(201,135,67,.98) 0%,rgba(201,135,67,.92) 43%,rgba(201,135,67,.48) 100%)}.about-copy,.about-data{z-index:1}.about-data{background:rgba(242,240,235,.84);padding:20px 36px;border-left:0;backdrop-filter:blur(8px)}
.company-scene{position:relative;margin:82px 0 0;overflow:hidden;aspect-ratio:16/7;background:#171816}.company-scene img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 42%}.company-scene:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,rgba(9,10,9,.7))}.company-scene figcaption{position:absolute;z-index:1;left:38px;bottom:34px;color:#fff;display:grid;gap:8px}.company-scene figcaption span{font:700 10px Arial;letter-spacing:.22em;color:var(--copper-2)}.company-scene figcaption strong{font-size:25px;font-weight:600}
@media(max-width:900px){.about-building:after{background:linear-gradient(90deg,rgba(201,135,67,.94),rgba(201,135,67,.7))}.about-data{padding:20px 28px}.company-scene{aspect-ratio:16/9}}
@media(max-width:640px){.brand-mark{width:54px;height:40px}.brand-copy small{font-size:11px;letter-spacing:.2em}.about-card{min-height:680px}.about-building img{object-position:64% center}.about-building:after{background:linear-gradient(180deg,rgba(201,135,67,.97) 0%,rgba(201,135,67,.89) 57%,rgba(201,135,67,.55) 100%)}.about-data{padding:18px 22px;background:rgba(242,240,235,.87)}.company-scene{margin:55px -20px 0;aspect-ratio:4/3}.company-scene figcaption{left:22px;bottom:20px}.company-scene figcaption strong{font-size:20px}}

.contact-values{display:grid;gap:7px;font-style:normal}.contact-values a{display:inline-block;overflow-wrap:anywhere}.spec-panel .contact-values a:hover{color:var(--copper)}

/* Technical material card hover state */
.material-grid .material-card,.material-grid .material-card:nth-child(2){background:#e3ded5;color:var(--ink);transition:background-color .28s ease,color .28s ease,transform .28s ease,box-shadow .28s ease}.material-grid .material-card p,.material-grid .material-card:nth-child(2) p{color:#74756f;transition:color .28s ease}.material-grid .material-card:hover,.material-grid .material-card:focus-visible{background:#191a18;color:#fff;transform:translateY(-4px);box-shadow:0 18px 36px rgba(17,18,16,.16)}.material-grid .material-card:hover p,.material-grid .material-card:focus-visible p{color:#aaa}

.material-grid .material-card:focus-visible{outline:3px solid var(--copper);outline-offset:3px}

/* Registered brand mark */
.brand-mark{position:relative}.brand-mark:after{content:"®";position:absolute;right:-7px;top:-3px;font:700 9px/1 Arial,sans-serif;color:currentColor;letter-spacing:0}

/* Homepage product cards: light at rest, dark on hover; glow remains unchanged */
.product-card,.product-card.dark{color:var(--ink);transition:background-color .3s ease,color .3s ease}.product-card.dark{background:#e2ded7}.product-card.dark .product-copy p,.product-card.dark .product-copy>span{color:#777;transition:color .3s ease}.product-card:hover{background:#151615;color:#fff}.product-card:hover .product-copy p,.product-card:hover .product-copy>span{color:#999}
@media(max-width:640px){.brand-mark:after{right:-5px;top:-2px;font-size:8px}}

/* Enlarged Chinese brand lockup */
.brand{gap:16px}.brand-mark{width:86px;height:62px}.brand-copy{display:flex;align-items:center;line-height:1}.brand-copy strong{display:none}.brand-copy small{margin-top:0;font-size:18px;font-weight:600;letter-spacing:.1em;opacity:.92;white-space:nowrap}
@media(max-width:640px){.brand{gap:10px}.brand-mark{width:66px;height:48px}.brand-copy small{font-size:14px;letter-spacing:.06em}}

/* Unified catalog and application card interaction */
.catalog-card,.catalog-card:nth-child(3n+2),.catalog-card:nth-child(4n),.case-card,.case-card:nth-child(3n+2),.case-card:nth-child(4n){background:#e3ded5;color:var(--ink);transition:background-color .3s ease,color .3s ease,transform .3s ease,box-shadow .3s ease}.catalog-card>p:last-of-type,.case-card p{color:#777;transition:color .3s ease}.catalog-card:hover,.case-card:hover{background:#191a18;color:#fff;transform:translateY(-4px);box-shadow:0 18px 38px rgba(17,18,16,.16)}.catalog-card:hover>p:last-of-type,.case-card:hover p{color:#aaa}
@media(max-width:640px){.brand{gap:8px}.brand-mark{width:58px;height:42px}.brand-copy small{font-size:12px;letter-spacing:0}}

/* Application diagrams: preserve the full annotated image at every viewport size. */
.applications .section-head{gap:32px}.applications .section-head>p{max-width:370px}.section-more{display:inline-block;margin-top:14px;color:#a66427;border-bottom:1px solid currentColor;padding-bottom:4px;font-weight:600}
.application-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.application-feature{display:block;background:#e5e0d7;overflow:hidden;transition:transform .25s,box-shadow .25s}.application-feature:hover,.application-feature:focus-visible{transform:translateY(-4px);box-shadow:0 18px 38px rgba(17,18,16,.15)}.application-feature:focus-visible,.atlas-card a:focus-visible{outline:3px solid var(--copper);outline-offset:3px}.application-feature-image{display:block;aspect-ratio:3/2;background:#fff}.application-feature-image img{width:100%;height:100%;object-fit:contain;display:block}.application-feature-meta{display:grid;grid-template-columns:1fr auto;gap:10px;padding:19px 22px 22px}.application-feature-meta small{grid-column:1/-1;color:#8b6b4d;font:700 10px Arial;letter-spacing:.13em}.application-feature-meta strong{font-size:21px;font-weight:600}.application-feature-meta b{font-size:23px;font-weight:400;align-self:center}
.application-intro{display:grid;grid-template-columns:1.25fr 1fr;align-items:end;gap:70px;margin-bottom:44px}.application-intro h2{font-size:clamp(36px,4vw,58px);line-height:1.2;margin:18px 0 0}.application-intro>p{color:var(--muted);line-height:1.9;margin:0}.atlas-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.atlas-card{background:#e7e2d9;scroll-margin-top:25px}.atlas-card:target{outline:3px solid var(--copper);outline-offset:3px}.atlas-image-link{display:block;aspect-ratio:3/2;background:#fff;overflow:hidden}.atlas-image-link img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .3s}.atlas-image-link:hover img{transform:scale(1.025)}.atlas-card-copy{padding:22px 26px 25px}.atlas-card-copy>span{font:700 11px Arial;letter-spacing:.14em;color:#a66427}.atlas-card h3{font-size:25px;margin:10px 0 18px}.atlas-card-links{display:flex;flex-wrap:wrap;gap:15px 26px;font-size:13px}.atlas-card-links a{border-bottom:1px solid currentColor;padding-bottom:4px}.atlas-card-links a:hover{color:#a66427}.application-solutions{padding-top:20px}.application-solutions .case-card .content-cover{object-fit:contain;background:#fff}.article-cover img{object-fit:contain;background:#fff}
.article-cover figcaption{font-size:12px;color:var(--muted);margin-top:12px}.article-cover figcaption a{color:#a66427;border-bottom:1px solid currentColor;padding-bottom:3px}
@media(max-width:900px){.application-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.application-intro{grid-template-columns:1fr;gap:18px}}
@media(max-width:640px){.applications .section-head>p{max-width:none}.application-feature-grid,.atlas-grid{grid-template-columns:1fr}.application-feature-meta strong{font-size:20px}.atlas-card-copy{padding:19px 20px 22px}.atlas-card h3{font-size:22px}.application-solutions{padding-top:0}}

/* Homepage product cards use the same product photography as their detail pages. */
.product-card .product-image{display:block;right:18px;bottom:15px;width:48%;height:270px;max-width:300px;object-fit:contain;object-position:right bottom;opacity:1;pointer-events:none;filter:drop-shadow(12px 16px 14px rgba(0,0,0,.2))}
.product-card .product-image-plate{width:60%;max-width:355px;height:300px;object-fit:contain;object-position:right bottom}
.product-card .product-image-hgb{width:50%;height:280px}
.product-card .product-image-wb1{width:52%;height:260px}
@media(max-width:900px){.product-card .product-image{right:12px;bottom:12px;height:245px;opacity:1}.product-card .product-image-plate{height:245px}.product-card .product-image-hgb{height:255px}.product-card .product-image-wb1{height:235px}}
@media(max-width:640px){.product-card{min-height:390px}.product-card .product-image{width:56%;height:225px;transform:none}.product-card .product-image-plate{width:76%;height:205px}.product-card .product-image-hgb{width:56%;height:230px}.product-card .product-image-wb1{width:58%;height:215px}.product-card:hover .product-image{transform:translateY(-6px)}}

/* Transparent product subjects sit above the dark hero background. */
.hero-media{background-image:url("assets/hero-background-clean.png")}
.hero-product{position:absolute;z-index:1;right:1%;bottom:-4%;height:100%;width:auto;max-width:none;object-fit:contain;pointer-events:none;filter:drop-shadow(0 24px 20px rgba(0,0,0,.38))}
.hero-product-2{right:3%;bottom:6%;height:76%}
.hero-product-3{right:2%;bottom:6%;height:79%}
@media(max-width:1100px){.hero-product-1{right:-11%;height:89%;bottom:1%}.hero-product-2{right:-3%;height:67%}.hero-product-3{right:-6%;height:70%}}
@media(max-width:700px){
  .hero{height:1050px;min-height:1050px;max-height:none}
  .hero-slide .hero-content{justify-content:flex-end;padding:455px 20px 72px}
  .hero-product,.hero-product-1,.hero-product-2,.hero-product-3{left:0;right:0;top:98px;bottom:auto;width:100%;height:350px;max-width:100%;object-fit:contain;object-position:center center}
  .hero-product-1{height:365px}
  .hero-product-2{top:108px;height:330px}
  .hero-product-3{top:115px;height:325px}
  .hero-overlay{background:linear-gradient(180deg,rgba(8,10,11,.16),rgba(8,10,11,.54) 42%,rgba(8,10,11,.92) 72%)}
  .hero-slide h2{font-size:clamp(39px,10vw,54px)}
  .hero-controls{right:20px;bottom:24px}
}
@media(max-width:380px){.hero{height:1090px;min-height:1090px}.hero-slide .hero-content{padding-top:425px}.hero-product,.hero-product-1,.hero-product-2,.hero-product-3{top:104px;height:300px}.hero-controls{bottom:16px}}

/* Balance product scale with the banner copy while keeping each silhouette in frame. */
.hero-product-1{right:0;bottom:-3%;height:96%}
.hero-product-2{right:4%;bottom:4%;height:80%}
.hero-product-3{right:0;bottom:5%;height:72%}
.hero-slide h1,.hero-slide h2,.hero-slide .hero-lead{text-shadow:0 2px 16px rgba(0,0,0,.48)}
@media(max-width:1100px) and (min-width:901px){.hero-product-1{right:-1%;height:91%}.hero-product-2{right:3%;height:76%}.hero-product-3{right:-1%;height:68%}}
@media(max-width:900px){
  .hero{height:1080px;min-height:1080px;max-height:none}
  .hero-slide .hero-content{justify-content:flex-end;padding:485px 24px 75px}
  .hero-product,.hero-product-1,.hero-product-2,.hero-product-3{left:0;right:0;top:95px;bottom:auto;width:100%;height:375px;max-width:100%;object-fit:contain;object-position:center center}
  .hero-product-1{left:-12.5%;width:125%;max-width:none}
  .hero-product-2{left:10px;right:10px;top:105px;width:calc(100% - 20px);max-width:calc(100% - 20px)}
  .hero-product-3{left:-7.5%;top:105px;width:115%;max-width:none}
  .hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;max-width:100%}
  .hero-metrics div{width:auto;min-width:0;margin:0;padding:0 12px!important}
  .hero-metrics div:first-child{padding-left:0!important}
}
@media(max-width:700px){.hero{height:1050px;min-height:1050px}.hero-slide .hero-content{padding:455px 20px 72px}}
@media(max-width:380px){.hero{height:1090px;min-height:1090px}.hero-slide .hero-content{padding-top:425px}.hero-product,.hero-product-1,.hero-product-2,.hero-product-3{top:104px;height:320px}.hero h1,.hero-slide h2{font-size:clamp(32px,10.25vw,38px)}}
/* Preserve the metallic highlights while warming and grounding the cutouts. */
.hero-slide .hero-product{filter:brightness(.92) contrast(.96) saturate(.88) sepia(.06) drop-shadow(0 23px 19px rgba(0,0,0,.52))}
.hero-slide .hero-product-2{filter:brightness(.88) contrast(.95) saturate(.83) sepia(.1) drop-shadow(0 25px 20px rgba(0,0,0,.55))}
.hero-slide .hero-product-3{filter:brightness(.86) contrast(.94) saturate(.8) sepia(.12) drop-shadow(0 25px 20px rgba(0,0,0,.55))}
.hero-slide::before{content:"";position:absolute;z-index:1;inset:0;pointer-events:none;background:radial-gradient(ellipse 38% 13% at 76% 83%,rgba(0,0,0,.34),transparent 100%)}
@media(max-width:900px){.hero-slide::before{background:radial-gradient(ellipse 47% 8% at 50% 39%,rgba(0,0,0,.3),transparent 100%)}}.hero-slide h1,.hero-slide h2,.hero-slide .hero-lead,.hero-slide .hero-metrics{text-shadow:0 2px 5px rgba(0,0,0,.88),0 0 14px rgba(0,0,0,.58)}
@media(min-width:901px){.hero-slide .hero-lead{max-width:520px}.hero-slide:nth-child(3) .hero-lead{max-width:480px}}
@media(max-width:900px){
  .hero-slide .hero-product{filter:brightness(.98) contrast(.96) saturate(.88) sepia(.06) drop-shadow(0 22px 18px rgba(0,0,0,.5))}
  .hero-slide .hero-product-2{filter:brightness(.94) contrast(.95) saturate(.83) sepia(.1) drop-shadow(0 23px 18px rgba(0,0,0,.53))}
  .hero-slide .hero-product-3{filter:brightness(.94) contrast(.94) saturate(.8) sepia(.12) drop-shadow(0 23px 18px rgba(0,0,0,.53))}
}

/* Homepage statement: give the headline room and tighten the section rhythm. */
@media(min-width:901px){
  .statement{grid-template-columns:150px minmax(0,1fr);gap:32px;padding-top:85px;padding-bottom:85px}
  .statement-copy{grid-template-columns:minmax(0,1.9fr) minmax(260px,.9fr);gap:52px;align-items:end}
  .statement h2{font-size:clamp(38px,4vw,60px)}
}
@media(min-width:641px) and (max-width:900px){.statement{padding-top:70px;padding-bottom:70px}}
@media(max-width:640px){.statement{padding-top:64px;padding-bottom:64px}}
@media(max-width:640px){.statement h2{font-size:clamp(30px,9.5vw,38px)}}
@media(min-width:901px){
  .statement{grid-template-columns:180px minmax(0,1fr);gap:24px;padding-bottom:80px}
  .statement>.section-kicker{white-space:nowrap}
  .statement+.products{padding-top:80px}
}

/* Keep all four homepage product cards in the same warm neutral tone as card 02. */
.product-card.featured,.product-card.dark,.product-card.muted{background:#e8e5df;color:var(--ink)}
.product-card.dark .product-copy p,.product-card.dark .product-copy>span{color:#777}
.product-card:hover,.product-card.featured:hover,.product-card.dark:hover,.product-card.muted:hover{background:#151615;color:#fff}
.product-card:hover .product-copy p,.product-card:hover .product-copy>span,.product-card.dark:hover .product-copy p,.product-card.dark:hover .product-copy>span{color:#999}

/* Keep product images inside the stage; an implicit grid row let square images overflow. */
.catalog-thumb{display:flex;align-items:center;justify-content:center}
.catalog-thumb img{min-width:0;min-height:0;max-width:100%;max-height:100%;object-fit:contain}

/* Launch audit: readable cards, compact browsing and consistent table grids. */
.section-kicker,.product-copy>span,.product-card.dark .product-copy>span{color:#5c5d57}
.section-kicker.light{color:#aaa}
.filter-tabs button,.catalog-card>p:first-of-type,.catalog-card>p:last-of-type,.case-card p,.product-copy p,.product-card.dark .product-copy p,.material-grid .material-card p,.spec-panel p,.contact-panel p{color:#555650}
.catalog-card:hover>p,.case-card:hover p,.product-card:hover .product-copy p,.product-card:hover .product-copy>span,.material-grid .material-card:hover p{color:#bbb}
.advantage-list article>span,.advantage-list p,.footer-top p,.footer-bottom{color:#aaa}
.mega-menu small,.mega-featured em{color:#5c5d57}
.catalog-count{margin:0;font-size:13px;color:#555650}
.category-strip{gap:8px}.category-strip button{min-height:44px}
.contact-form+address.spec-panel{align-self:start}
.news-list:has(>article:only-child){max-width:1000px;margin:auto}
.atlas-index{display:flex;flex-wrap:wrap;gap:8px;padding:22px;background:#e7e2d9;margin-bottom:24px}
.atlas-index label{width:100%;font-size:14px}.atlas-index input{display:block;margin:10px 0;width:100%;padding:12px;border:1px solid #888;background:#fff;font:inherit}
.atlas-index a{font-size:13px;padding:10px 13px;border:1px solid #9e9a92;min-height:44px;background:#f8f7f3}
.atlas-index p{width:100%;font-size:13px;margin:4px 0;color:#555650}
.atlas-card[hidden]{display:none}
.hero-dots button{height:44px;position:relative;background:transparent}
.hero-dots button::after{content:"";position:absolute;left:0;right:0;top:20px;height:3px;background:rgba(255,255,255,.55)}
.hero-dots button.active{background:transparent}.hero-dots button.active::after{background:var(--copper-2)}
.hero-media{background-image:url("assets/hero-background-clean.webp")}
.product-detail table{border-collapse:separate;border-spacing:0;border:1px solid #171816;background:#fff}
.product-detail table th,.product-detail table td{border-right:1px solid #171816;border-bottom:1px solid #171816}
.product-detail table thead{position:sticky;top:0;z-index:20;background:#171816}
.product-detail table thead th,.product-detail table thead td{position:static;top:auto;background:#171816;color:#fff;border:1px solid #d9ddd7}
.product-detail div:has(>table){overflow:auto;max-height:620px}
@media(min-width:701px) and (max-width:1100px){
  .hero{height:960px;min-height:960px;max-height:none}
  .hero-slide .hero-content{justify-content:flex-end;padding:420px 28px 78px}
  .hero-product,.hero-product-1,.hero-product-2,.hero-product-3{top:88px;left:0;right:0;bottom:auto;width:100%;height:330px;max-width:100%;object-fit:contain}
  .hero-overlay{background:linear-gradient(180deg,rgba(8,10,11,.15),rgba(8,10,11,.48) 36%,rgba(8,10,11,.95) 62%)}
  .hero h1,.hero-slide h2{font-size:58px}.hero-metrics{margin-top:34px}
}
@media(max-width:700px){
  body{padding-bottom:0}footer{padding-bottom:calc(78px + env(safe-area-inset-bottom))}
  .hero{height:950px;min-height:950px}.hero-slide .hero-content{padding-top:400px;padding-bottom:80px}
  .hero-product,.hero-product-1,.hero-product-2,.hero-product-3{top:94px;height:300px;left:0;width:100%;max-width:100%}
  .hero h1,.hero-slide h2{font-size:clamp(34px,9.5vw,42px);margin:20px 0}
  .hero-actions{margin-top:25px}.hero-metrics{margin-top:28px}
  .catalog-card{min-height:0;padding:22px}.catalog-thumb{height:190px;margin:-4px -4px 14px;padding:12px}
  .catalog-card .catalog-index{top:222px;right:22px}.catalog-card h2{font-size:22px;margin:10px 0}
  .catalog-card .catalog-actions{margin-top:18px}.catalog-card>p:last-of-type{margin:4px 0 14px}
  .product-summary h2{font-size:26px;margin:12px 0}.product-summary .product-english{font-size:13px}
  .product-detail div:has(>table){max-height:440px}
  .atlas-card-copy{padding:16px 18px}.atlas-card h3{margin:8px 0 12px}.atlas-grid{gap:16px}
}
@media(max-width:380px){
  .header-inner{padding:0 14px}.brand{gap:6px}.brand-mark{width:50px;height:38px}.brand-copy small{font-size:11px}
  .hero{height:990px;min-height:990px}.hero-product,.hero-product-1,.hero-product-2,.hero-product-3{height:280px}
  .hero-slide .hero-content{padding-top:380px}.hero h1,.hero-slide h2{font-size:32px}
}

@media(max-width:640px){.floating-inquiry{height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.floating-inquiry.at-footer,body.drawer-open .floating-inquiry,body.nav-open .floating-inquiry{visibility:hidden;pointer-events:none}.compare-bar{bottom:calc(58px + env(safe-area-inset-bottom))}.category-strip{display:flex;flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}.category-strip button{flex-shrink:0}}

/* Keep sticky table headers inside product content, below the site navigation. */
.product-detail{isolation:isolate}