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:root{--brand-red:#df2627;--brand-red-dark:#bd181c;--brand-orange:#ec632a;--brand-yellow:#f2dd5e;--brand-gray:#414143;--mineral-gray:#b3b3b3;--ink:#212121;--ink-soft:#626260;--ink-faint:#6f6e6a;--paper:#f4f2ed;--surface:#fff;--surface-dark:#191918;--line:#21212129;--line-light:#ffffff29;--success:#276641;--warning:#8b5d00;--error:#9f1d24;--font-cn:"PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-latin:"Nunito Sans Variable", "Nunito Sans", var(--font-cn);--container:1360px;--space-section:clamp(4rem, 6vw, 6.5rem);--header-height:76px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font-latin);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.75}body::selection{background:var(--brand-yellow);color:var(--ink)}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,summary{-webkit-tap-highlight-color:transparent}button{color:inherit}h1,h2,h3,h4,p,ul,ol{margin-top:0}h1,h2,h3,h4{letter-spacing:0;text-wrap:balance;overflow-wrap:anywhere;font-weight:700;line-height:1.3}p{color:var(--ink-soft);overflow-wrap:anywhere}:where([class$=-grid],.inquiry-cta)>*{min-width:0}[id]{scroll-margin-top:calc(var(--header-height) + 24px)}.container{width:min(calc(100% - 48px), var(--container));margin-inline:auto}.narrow-container{width:min(100% - 48px,920px);margin-inline:auto}.skip-link{z-index:1000;background:#fff;padding:10px 14px;position:fixed;top:12px;left:12px;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:focus-visible{outline:2px solid var(--brand-red);outline-offset:3px}.button{padding:0 24px;text-align:center;cursor:pointer;border:1px solid #0000;border-radius:2px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding-block:12px;font-weight:700;line-height:1.4;transition:color .16s,background .16s,border-color .16s,transform 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transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0}.header-inner{grid-template-columns:190px minmax(0,1fr) auto;align-items:center;gap:28px;height:100%;display:grid}.brand-link{width:190px;display:block}.brand-link img{width:100%;height:auto}.desktop-nav{justify-content:center;align-items:center;gap:clamp(14px,1.4vw,24px);font-size:14px;font-weight:650;display:flex}.desktop-nav a{white-space:nowrap;position:relative}.desktop-nav a:after{content:"";background:var(--brand-red);transform-origin:0;width:100%;height:2px;transition:transform .16s;position:absolute;bottom:-9px;left:0;transform:scaleX(0)}.desktop-nav a:hover:after,.desktop-nav a[aria-current=page]:after{transform:scaleX(1)}.desktop-nav a[aria-current=page],.mobile-nav-panel a[aria-current=page]{color:var(--brand-red-dark)}.mobile-nav-panel a[aria-current=page]{border-left:3px solid var(--brand-red);padding-left:12px}.header-actions{align-items:center;gap:8px;display:flex}.language-link{min-width:44px;min-height:44px;color:var(--ink-soft);font:800 12px/1 var(--font-latin), var(--font-cn);letter-spacing:.04em;place-items:center;display:inline-grid}.language-link:hover{color:var(--brand-red)}.search-link{place-items:center;width:44px;height:44px;display:grid}.mobile-nav{display:none}.header-search{border:1px solid var(--line);background:#fff;display:flex}.header-search input{background:0 0;border:0;width:100%;min-width:0;height:48px;padding:0 14px}.header-search button{cursor:pointer;background:0 0;border:0;width:48px}.site-footer{background:var(--surface-dark);color:#fff;padding:88px 0 28px}.footer-grid{grid-template-columns:2fr repeat(3,minmax(0,1fr));gap:clamp(40px,7vw,110px);padding-bottom:72px;display:grid}.footer-brand img{width:220px;margin-bottom:28px}.footer-brand p{color:#aaa9a4;max-width:34ch}.footer-grid nav{flex-direction:column;align-items:flex-start;gap:10px;display:flex}.footer-grid nav h2{color:#aaa9a4;font-family:var(--font-latin);letter-spacing:.12em;text-transform:uppercase;margin-bottom:13px;font-size:12px}.footer-grid nav a{color:#e2e1dc;font-size:15px}.footer-grid nav a:hover{color:var(--brand-yellow)}.footer-legal{border-top:1px solid var(--line-light);color:#aaa9a4;grid-template-columns:1fr auto;gap:28px;padding-top:24px;font-size:12px;display:grid}.footer-legal>div{flex-wrap:wrap;gap:12px 24px;display:flex}.footer-legal a:hover{color:#fff}.footer-legal p{color:inherit;margin:0}.eyebrow{color:var(--brand-red);font-family:var(--font-latin), var(--font-cn);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:12px;font-size:12px;font-weight:750;display:flex}.eyebrow:not(.plain):before{content:"";background:currentColor;width:34px;height:1px}.eyebrow.light{color:var(--brand-yellow)}.section-heading{max-width:850px;margin-bottom:clamp(32px,4vw,48px)}.section-heading h2{max-width:24em;margin-bottom:22px;font-size:clamp(2.25rem,4.6vw,4.9rem)}.section-heading .section-description{max-width:62ch;font-size:clamp(1rem,1.3vw,1.25rem)}.section-heading.inverted h2{color:#fff}.section-heading.inverted .section-description{color:#aeada7}.page-hero,.inspection-hero{padding:clamp(48px,5vw,72px) 0}.page-hero{border-bottom:1px solid var(--line)}.page-hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:end;gap:64px;display:grid}.page-hero h1,.inspection-hero h1{max-width:18em;margin-bottom:24px;font-size:clamp(3.2rem,8vw,8.5rem)}.page-hero-copy{max-width:62ch;font-size:1.14rem}.page-hero-aside{border-left:1px solid var(--line);padding-left:28px}.page-hero-aside strong{font-family:var(--font-latin);margin-bottom:14px;font-size:3rem;line-height:1;display:block}.page-section{padding:var(--space-section) 0}.page-section.surface{background:#fff}.page-section.dark{background:var(--surface-dark);color:#fff}.page-section.tight{padding-block:clamp(3.5rem,6vw,6rem)}.home-hero{min-height:min(840px, calc(100svh - var(--header-height)));flex-direction:column;padding:54px 0 0;display:flex}.home-hero-grid{flex:1;grid-template-columns:minmax(0,1.1fr) minmax(420px,.9fr);align-items:center;gap:60px;padding-bottom:54px;display:grid}.home-hero-copy h1{max-width:12em;margin:14px 0 30px;font-size:clamp(4.1rem,9vw,9.7rem)}.hero-lead{max-width:60ch;font-size:clamp(1.05rem,1.4vw,1.28rem)}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:34px;display:flex}.hero-engineering{aspect-ratio:4/3;background:var(--surface-dark);color:#fff;border:1px solid var(--ink);width:100%;min-height:0;margin:0;position:relative;overflow:hidden}.hero-carousel{width:100%;min-width:0}.hero-carousel-stage,.hero-carousel-slide{position:absolute;inset:0}.hero-carousel-slide{opacity:0;pointer-events:none;transition:opacity .42s}.hero-carousel-slide[data-active=true]{opacity:1}.hero-carousel-slide>img{object-fit:cover;filter:saturate(.74)contrast(1.05)}.hero-image-shade{z-index:1;pointer-events:none;background:linear-gradient(#0808081f,#0000 46%,#080808d1);position:absolute;inset:0}.hero-carousel-caption{z-index:2;color:#fff;flex-direction:column;gap:5px;max-width:calc(100% - 48px);display:flex;position:absolute;top:24px;left:24px}.hero-carousel-caption span{color:var(--brand-yellow);font:800 12px/1 var(--font-latin);letter-spacing:.08em}.hero-carousel-caption strong{font-size:clamp(1.05rem,1.5vw,1.35rem);line-height:1.2}.hero-carousel-dots{z-index:3;justify-content:center;align-items:center;gap:0;min-height:44px;display:flex;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.hero-carousel-dots button{cursor:pointer;background:0 0;border:0;place-items:center;width:44px;height:44px;padding:0;display:grid}.hero-carousel-dots button span{background:#ffffff6b;border-radius:50%;width:7px;height:7px;transition:background .16s,transform .16s}.hero-carousel-dots button:hover span{background:#ffffffad}.hero-carousel-dots button[data-active=true] span{background:#ffffffe6;transform:scale(1.16)}.hero-carousel-dots button:focus-visible{outline-color:var(--brand-yellow);outline-offset:-7px}.hero-standard-strip{border-block:1px solid var(--line);grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.hero-standard-strip a{text-align:left;min-height:164px;color:var(--ink);background:#fff3;grid-template:"number arrow"24px"standard standard""name name"1fr/minmax(0,1fr) 24px;align-items:start;gap:12px 16px;padding:24px;transition:background .18s,color .18s;display:grid}.hero-standard-strip a+a{border-left:1px solid var(--line)}.hero-standard-strip a:hover,.hero-standard-strip a:focus-visible{background:#fff}.hero-standard-strip a:focus-visible{outline-offset:-3px}.hero-standard-strip span{color:var(--ink-faint);font:650 12px/24px var(--font-latin);letter-spacing:.04em;grid-area:number}.hero-standard-strip strong{font:800 clamp(1.35rem, 2vw, 1.8rem)/1.2 var(--font-latin);letter-spacing:-.025em;grid-area:standard;margin-top:6px}.hero-standard-strip small{color:var(--ink-soft);grid-area:name;font-size:14px;line-height:1.5}.hero-standard-strip svg{width:20px;height:20px;color:var(--ink-soft);grid-area:arrow;place-self:center end;transition:color .18s,transform .18s}.hero-standard-strip a:hover strong,.hero-standard-strip a:hover svg,.hero-standard-strip a:focus-visible svg{color:var(--brand-red-dark)}.hero-standard-strip a:hover svg{transform:translate(2px,-2px)}@media (max-width:1000px) and (min-width:761px){.hero-standard-strip a{gap:10px;padding:20px 16px}.hero-standard-strip small{font-size:13px}}@media (max-width:760px){.hero-standard-strip{grid-template-columns:minmax(0,1fr)}.hero-standard-strip a{grid-template:"number standard arrow""number name arrow"/28px minmax(0,1fr) 24px;align-content:center;gap:5px 16px;min-height:96px;padding:20px 16px}.hero-standard-strip a+a{border-left:0;border-top:1px solid var(--line)}.hero-standard-strip span{align-self:center}.hero-standard-strip strong{margin:0;font-size:24px}.hero-standard-strip small{font-size:14px}}.hardness-matrix{border-top:1px solid var(--line-light);border-left:1px solid var(--line-light);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.hardness-matrix article{border-right:1px solid var(--line-light);border-bottom:1px solid var(--line-light);flex-direction:column;min-height:360px;padding:clamp(24px,4vw,46px);display:flex}.hardness-matrix article>span{color:#8d8c87;font:700 11px/1 var(--font-latin)}.hardness-matrix strong{color:#fff;font:800 clamp(3.5rem, 7vw, 7.5rem) / .9 var(--font-latin);letter-spacing:-.06em;margin:auto 0 30px}.hardness-matrix p{color:#c5c4bf}.hardness-matrix small{color:var(--brand-yellow)}.system-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.system-grid article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:270px;padding:clamp(22px,3vw,38px)}.system-grid span{color:var(--brand-red);font:800 12px/1 var(--font-latin)}.system-grid h3{margin:48px 0 16px;font-size:clamp(1.45rem,2.3vw,2.2rem)}.square-washer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.square-washer-grid article{background:#fff}.square-washer-grid article>div:last-child{padding:clamp(24px,4vw,46px)}.square-washer-grid h3{margin:8px 0 20px;font-size:clamp(2rem,4vw,4rem)}.quality-grid{grid-template-columns:.9fr 1.1fr;align-items:start;gap:clamp(32px,5vw,72px);display:grid}.quality-grid h2{color:#fff;margin:22px 0 28px;font-size:clamp(3rem,6.5vw,7rem)}.quality-grid>div>p:last-child{color:#aaa9a4;max-width:52ch}.quality-grid ol{border-top:1px solid var(--line-light);margin:0;padding:0;list-style:none}.quality-grid li{border-bottom:1px solid var(--line-light);grid-template-columns:58px 1fr auto;align-items:center;gap:16px;min-height:98px;display:grid}.quality-grid li span{color:#8d8c87;font:700 11px/1 var(--font-latin)}.quality-grid li strong{color:#fff;font-size:19px}.quality-grid li small{color:#999893;text-align:right}.resources-preview-heading{justify-content:space-between;align-items:flex-end;gap:30px;display:flex}.resources-preview-heading .section-heading{margin-bottom:55px}.resources-preview-heading>.button{flex:none;margin-bottom:55px}.packaging-section{background:#e9e6df}.packaging-grid{grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);align-items:center;gap:clamp(44px,8vw,128px);display:grid}.packaging-figure{min-width:0;margin:0}.packaging-figure img{aspect-ratio:3/2;object-fit:cover;border:1px solid var(--line);width:100%;height:auto}.packaging-figure figcaption{color:var(--ink-faint);margin-top:12px;font-size:12px}.packaging-copy .section-heading{margin-bottom:42px}.packaging-details{border-top:1px solid var(--line);margin:0}.packaging-details>div{border-bottom:1px solid var(--line);grid-template-columns:minmax(112px,.38fr) 1fr;gap:24px;padding:18px 0;display:grid}.packaging-details dt{color:var(--ink-faint);font-size:13px}.packaging-details dd{color:var(--ink);margin:0;font-size:15px;line-height:1.55}.packaging-note{color:var(--ink-faint);margin:24px 0 0;font-size:13px;line-height:1.6}@media (max-width:920px){.home-hero-grid{grid-template-columns:1fr}.home-hero-copy h1{max-width:15em}.hardness-matrix,.system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.square-washer-grid,.quality-grid,.packaging-grid{grid-template-columns:1fr}}@media (max-width:560px){.home-hero{padding-top:36px}.home-hero-grid{gap:38px}.home-hero-copy h1{font-size:clamp(3.9rem,21vw,6.3rem)}.hero-carousel-caption{max-width:calc(100% - 36px);top:18px;left:18px}.hardness-matrix,.system-grid{grid-template-columns:1fr}.hardness-matrix article{min-height:290px}.resources-preview-heading{flex-direction:column;align-items:flex-start}.resources-preview-heading .section-heading{margin-bottom:0}.resources-preview-heading>.button{margin-bottom:40px}.packaging-grid{gap:36px}.packaging-details>div{grid-template-columns:1fr;gap:6px}.quality-grid li{grid-template-columns:42px 1fr}.quality-grid li 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var(--font-latin);letter-spacing:-.06em;grid-column:1/-1;align-self:center}.variant-grid>a>small{color:var(--ink-faint);align-self:end}.variant-grid>a>svg{align-self:end}.variant-grid.dark{border-color:var(--line-light)}.variant-grid.dark>a{color:#fff;border-color:var(--line-light);background:0 0}.variant-grid.dark>a>span,.variant-grid.dark>a>small{color:#aaa9a4}.variant-grid>a:hover>span,.variant-grid>a:hover>small{color:#fff}.variant-grid.dark>a[aria-current=page]{background:var(--brand-red)}.variant-placeholder{border:1px solid var(--line);background:#fff;min-height:260px;padding:34px}.variant-placeholder>span{color:var(--brand-red);font-size:12px}.variant-placeholder strong{margin:50px 0 18px;font-size:clamp(2.8rem,6vw,6rem);display:block}@media (max-width:920px){.product-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.product-family-hero-grid,.product-detail-hero-grid{grid-template-columns:1fr}}@media 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h1{font-size:clamp(3.5rem,9vw,5.5rem)}.home-hero--en .hero-lead{max-width:58ch}}@media (max-width:560px){.home-hero--en .home-hero-copy h1{margin-block:20px;font-size:clamp(2.75rem,12vw,4rem);line-height:1.06}.home-hero--en .hero-lead{font-size:16px;line-height:1.7}.home-hero--en .home-hero-copy>.eyebrow{letter-spacing:.1em;font-size:10px}}
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html[lang=en]{--en-title:clamp(2.75rem, 5.6vw, 5rem);--en-product-title:clamp(2.5rem, 4.5vw, 4rem);--en-section-title:clamp(2rem, 3.5vw, 3.25rem);--en-card-title:clamp(1.375rem, 1.9vw, 1.75rem)}html[lang=en] main :is(h1,h2,h3,h4){font-family:var(--font-latin);text-wrap:balance;word-break:normal;overflow-wrap:break-word;-webkit-hyphens:manual;hyphens:manual}html[lang=en] :is(.page-hero,.inspection-hero,.contact-hero,.legal-content) h1,html[lang=en] .search-title{font-size:var(--en-title);letter-spacing:-.035em;max-width:20ch;margin:20px 0 28px;font-weight:800;line-height:1.08}html[lang=en] :is(.product-family-hero,.product-detail-hero,.portrait-about-hero) h1{font-size:var(--en-product-title);letter-spacing:-.03em;max-width:20ch;margin:20px 0 28px;font-weight:800;line-height:1.1}html[lang=en] .detail-hardness{letter-spacing:-.04em;margin:0 0 28px;font-size:clamp(3rem,5vw,4.5rem);line-height:1}html[lang=en] .article-hero h1{letter-spacing:-.025em;max-width:28ch;margin:20px 0 28px;font-size:clamp(2.5rem,4.4vw,4rem);font-weight:800;line-height:1.12}html[lang=en] .section-heading h2,html[lang=en] .finish-header h2,html[lang=en] .inquiry-cta h2,html[lang=en] .portrait-copy h2,html[lang=en] .quality-grid h2{font-size:var(--en-section-title);letter-spacing:-.025em;max-width:26ch;font-weight:800;line-height:1.14}html[lang=en] .article-body h2{letter-spacing:-.02em;max-width:32ch;margin:56px 0 20px;font-size:clamp(1.75rem,2.5vw,2.375rem);line-height:1.2}html[lang=en] .resource-card :is(h2,h3),html[lang=en] .product-card-body h3,html[lang=en] .system-grid h3,html[lang=en] .square-washer-grid h3,html[lang=en] .cross-reference-grid h3{font-size:var(--en-card-title);letter-spacing:-.015em;max-width:34ch;line-height:1.25}html[lang=en] .resource-card :is(h2,h3){margin:30px 0 16px}html[lang=en] .finish-name{text-wrap:balance;font-size:clamp(1.25rem,1.7vw,1.625rem);line-height:1.25}html[lang=en] :is(.legal-content,.search-group,.site-map-grid) h2,html[lang=en] .downloads-section>h2{letter-spacing:-.015em;font-size:clamp(1.5rem,2.1vw,2rem);line-height:1.22}html[lang=en] :is(.inspection-list,.inspection-callout,.inspection-source,.download-item,.search-result) h3{letter-spacing:-.01em;line-height:1.3}@media (max-width:1000px) and (min-width:761px){html[lang=en] .portrait-copy h2{font-size:2.125rem}}@media (max-width:760px){html[lang=en]{--en-title:clamp(2.25rem, 7.8vw, 3.5rem);--en-product-title:clamp(2.125rem, 7.5vw, 3.25rem);--en-section-title:clamp(1.875rem, 6.5vw, 2.625rem);--en-card-title:1.375rem}html[lang=en] .article-hero h1{max-width:28ch;font-size:clamp(2rem,6.8vw,3rem);line-height:1.14}html[lang=en] .article-body h2{margin-top:40px;font-size:1.75rem}html[lang=en] .portrait-home .portrait-copy h2{max-width:20ch}html[lang=en] .resource-card :is(h2,h3){margin-top:24px}}@media (max-width:360px){html[lang=en] .header-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}html[lang=en] .brand-link{width:100%;max-width:160px}}