/* HERUI — industrial editorial, rebuilt October 2026. */
:root{color-scheme:light;--paper:#f6f5f2;--ink:#20211f;--muted:#6d6f69;--line:#d9dbd4;--accent:#c14328;--stage:#eeefeb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit}button,a,select,input,textarea,summary{outline-offset:5px}button{border-radius:0}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent)}p{font-size:15px;line-height:1.8;color:var(--muted);margin:0}h1,h2,h3{font-weight:400;margin:0;overflow-wrap:break-word}header{height:87px;padding:0 4%;display:flex;align-items:center;gap:25px;background:#f6f5f2f5;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.logo{font-size:37px;letter-spacing:-2.5px;font-weight:800;line-height:1}.logo span{color:var(--accent)}.brand-descriptor{border-left:1px solid #acafa6;padding-left:23px;font-size:9px;letter-spacing:1.5px;line-height:1.6}nav{margin-left:auto;display:flex;align-items:center;gap:35px;font-size:12px}nav a{padding:12px 0}nav a:hover{color:var(--accent)}nav a:last-child{border-bottom:1px solid #9c9e96}nav a span{margin-left:20px}#language{width:auto;background:transparent;border:0;border-left:1px solid var(--line);font-size:11px;padding:7px 0 7px 19px;max-width:125px}.wrap{width:92%;max-width:1440px;margin:auto}.micro,.eyebrow{font-size:10px;letter-spacing:1.7px;line-height:1.6;text-transform:uppercase}.micro{color:var(--muted)}.eyebrow{display:flex;align-items:center;gap:10px}.live-dot{width:6px;height:6px;background:var(--accent);border-radius:50%}.showroom{display:grid;grid-template-columns:46% 54%;margin:0 4%;max-width:1600px;border-bottom:1px solid var(--line)}.showroom-copy{padding:58px 8% 38px 0;display:flex;flex-direction:column;align-items:flex-start;min-height:620px}.showroom h1{font-size:clamp(48px,5.7vw,86px);line-height:1.07;letter-spacing:-4px;margin:50px 0 26px}.showroom h1 em{font-style:normal;color:#878b80}.lead{font-size:14px;max-width:325px;line-height:1.9}.solid-link{margin-top:28px;display:inline-flex;align-items:center;gap:35px;background:var(--ink);color:#fff;padding:17px 22px;font-size:12px;transition:background .2s}.solid-link:hover{background:var(--accent)}.hero-index{margin-top:auto;padding-top:42px;display:flex;gap:15px;font-size:9px;letter-spacing:2px;color:var(--muted)}.hero-index span:first-child{color:var(--accent)}.showroom-stage{position:relative;display:flex;flex-direction:column;background:var(--stage);min-width:0;border-left:1px solid var(--line)}.stage-top{display:flex;justify-content:space-between;align-items:center;padding:23px 27px;font-size:9px;letter-spacing:1.5px;z-index:1}.spot-image-button{display:flex;align-items:center;justify-content:center;border:0;background:transparent;flex:1;min-height:0;padding:0 20px}.spot-image-button img{width:100%;height:430px;object-fit:contain;mix-blend-mode:multiply;transition:transform .6s cubic-bezier(.2,.7,.2,1)}.spot-image-button:hover img{transform:scale(1.04)}.stage-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 27px;padding:20px 0 27px;border-top:1px solid #d0d3c9}.stage-bottom h2{font-size:22px;line-height:1.25;letter-spacing:-.5px;margin-top:6px}.round-arrow{flex-shrink:0;width:45px;height:45px;border:1px solid #b0b5a8;background:transparent;border-radius:50%;font-size:21px}.round-arrow:hover{background:var(--ink);color:white;border-color:var(--ink)}.showroom-selector{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.showroom-selector button{display:flex;align-items:center;gap:16px;text-align:left;padding:24px 18px;border:0;border-right:1px solid var(--line);background:transparent;position:relative;font-size:12px;line-height:1.5}.showroom-selector button:last-child{border-right:0}.showroom-selector button.active:before{content:'';position:absolute;left:0;right:0;top:-1px;height:3px;background:var(--accent)}.spot-no{font-size:9px;color:var(--muted);font-family:monospace}.spot-plus{margin-left:auto;font-size:18px;color:#848a7b}.showroom-selector button.active .spot-plus{color:var(--accent)}.showroom-selector button:hover{background:#eaebe5}.catalog{padding:105px 0 90px}.section-heading{display:grid;grid-template-columns:30% 70%;align-items:start}.section-heading>.micro{padding-top:10px}.section-heading>div{display:flex;justify-content:space-between;align-items:end;gap:30px}.section-heading h2{font-size:clamp(36px,3.5vw,50px);letter-spacing:-1.6px;line-height:1.12}.section-heading 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img{transform:scale(1.04)}.image-hint{position:absolute;bottom:16px;left:20px;right:20px;display:flex;justify-content:space-between;font-size:10px;color:#686e5f;opacity:0;transition:opacity .2s}.product-art:hover .image-hint,.product-art:focus-visible .image-hint{opacity:1}.product-body{padding:35px 6% 35px 15%}.product-body>.micro{font-size:9px;color:var(--accent)}.product-body h3{font-size:clamp(28px,3.1vw,44px);letter-spacing:-1.5px;line-height:1.15;margin:18px 0}.product-body>p{font-size:14px;max-width:350px}.selection-note{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.selection-note .micro{font-size:8px}.selection-note p{font-size:11px;margin-top:7px}.text-link{display:flex;align-items:center;justify-content:space-between;gap:15px;background:none;border:0;border-bottom:1px solid var(--ink);padding:18px 0 12px;font-size:12px;width:100%;text-align:left;margin-top:15px}.text-link:hover{color:var(--accent);border-color:var(--accent)}.text-link>span:last-child{font-size:20px}.applications{background:#232622;color:#eee; padding:85px 0}.application-layout{display:grid;grid-template-columns:40% 60%;gap:0}.application-intro{padding-right:20%}.application-intro>.micro{color:#9ea797}.application-intro h2{font-size:clamp(34px,3.5vw,48px);line-height:1.12;letter-spacing:-1.5px;margin:35px 0 22px}.application-intro p{font-size:12px;color:#a5ad9f;max-width:300px}.application-intro .text-link{color:#efeee7;border-color:#606959;font-size:12px;margin-top:25px}.application-row{border-top:1px solid #4b5344;padding:26px 0}.application-row:last-child{border-bottom:1px solid #4b5344}.application-row summary{display:grid;grid-template-columns:44px 1fr 24px;gap:12px;align-items:center;list-style:none;font-size:23px;letter-spacing:-.5px;cursor:pointer;line-height:1.3}.application-row summary::-webkit-details-marker{display:none}.application-row summary .micro{color:#8d9786}.expand-icon{color:#bac4b1;font-size:23px;text-align:right;transition:transform .2s}.application-row[open] .expand-icon{transform:rotate(45deg)}.application-row p{margin:20px 40px 0 56px;font-size:13px;color:#a5ad9f;max-width:420px}.application-row a{display:inline-block;margin:18px 0 0 56px;font-size:11px;color:#e0e6db}.application-row a span{padding-left:15px}.contact{display:grid;grid-template-columns:46% 54%;gap:0;padding:100px 0 90px}.contact-intro{padding-right:20%}.contact-intro h2{font-size:clamp(34px,3.7vw,52px);line-height:1.12;letter-spacing:-1.5px;margin:30px 0 20px}.contact-intro>p{font-size:13px}.preparation{margin-top:35px}.preparation ul{padding-left:15px;line-height:2;color:#686e61;font-size:12px}.note{font-size:10px!important;margin-top:25px;color:#858b7b}form{padding-top:5px;display:grid;grid-template-columns:1fr 1fr;gap:28px 24px;align-content:start}label{display:flex;flex-direction:column;gap:10px;font-size:11px;color:#5d6455}input,select,textarea{width:100%;background:transparent;border:0;border-bottom:1px solid #bbc1b3;padding:12px 0;font-size:14px;color:var(--ink);border-radius:0}input:focus,select:focus,textarea:focus{outline:0;border-bottom:2px solid var(--accent)}input::placeholder,textarea::placeholder{color:#969c8e;font-size:12px}textarea{min-height:110px;resize:vertical}.full{grid-column:1/-1}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;background:var(--accent);color:white;border:1px solid var(--accent);padding:17px 22px;font-size:12px}.button:hover{background:#a7351e;border-color:#a7351e}form #status{font-size:10px;color:#858c7b;line-height:1.6;margin-top:-12px}footer{margin:0 4%;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;align-items:center;padding:42px 0}.footer-wordmark{font-size:clamp(55px,9vw,125px);font-weight:800;letter-spacing:-7px;line-height:1}.footer-wordmark span{font-weight:300;font-size:.65em;color:var(--accent);padding-left:15px}.footer-top>div{font-size:12px;text-align:right}.footer-top p{font-size:10px;margin-top:10px}.footer-bottom{padding:20px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;font-size:9px;color:#929889;line-height:1.7}.footer-bottom>span:last-child{max-width:550px;text-align:right}dialog{width:min(900px,94vw);max-height:90vh;padding:30px;border:0;background:var(--paper);color:var(--ink);overflow:auto}dialog::backdrop{background:#111b}.close{float:right;border:0;background:none;font-size:28px;line-height:1;color:var(--muted)}dialog h2{font-size:34px;letter-spacing:-1px;margin:15px 0}dialog>p{font-size:13px;max-width:650px}.product-gallery{display:flex;gap:15px;overflow:auto;scroll-snap-type:x mandatory;margin:25px 0 15px}.product-gallery img{width:calc(50% - 8px);flex-shrink:0;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply;scroll-snap-align:start;background:#fff}.gallery-note{font-size:10px!important}dialog ul{font-size:12px;color:#777e6f;line-height:2;padding-left:18px;margin:22px 0}html[lang="zh-CN"] h1,html[lang="zh-CN"] h2,html[lang="zh-CN"] h3{letter-spacing:0}html[lang="zh-CN"] .showroom h1{font-size:clamp(40px,5.2vw,76px);line-height:1.25}html[lang="de"] .showroom h1{font-size:clamp(35px,4vw,62px);letter-spacing:-2px}
@media(min-width:1740px){.showroom{margin:auto}}
@media(max-width:1050px){.showroom-copy{min-height:540px}.showroom h1{font-size:54px;letter-spacing:-2.5px}.spot-image-button img{height:350px}.section-heading{grid-template-columns:23% 77%}.section-heading>div{align-items:start;gap:20px}.section-heading p{max-width:210px}.product-body{padding-left:10%;padding-right:0}.stage-bottom h2{font-size:19px}.product-body h3{font-size:30px}nav{gap:23px}.application-row summary{font-size:20px}}
@media(max-width:760px){html{scroll-padding-top:80px}header{height:72px;gap:15px}.logo{font-size:30px;letter-spacing:-2px}.brand-descriptor{display:none}nav{gap:15px;font-size:10px}nav a:nth-child(2){display:none}nav a span{margin-left:5px}#language{font-size:10px;padding-left:10px;max-width:100px}.showroom{grid-template-columns:1fr}.showroom-copy{min-height:0;padding:35px 0 30px}.showroom h1{font-size:62px;margin:25px 0 18px;letter-spacing:-3px}.showroom .lead{max-width:420px;font-size:13px}.hero-index{display:none}.solid-link{margin-top:22px;padding:14px 18px;font-size:11px}.showroom-stage{border-left:0;min-height:360px}.stage-top{padding:17px 20px}.spot-image-button img{height:280px}.stage-bottom{margin:0 20px;padding:15px 0 20px}.stage-bottom h2{font-size:20px}.showroom-selector{grid-template-columns:1fr 1fr 1fr}.showroom-selector button{padding:17px 8px;gap:7px;align-items:flex-start;font-size:10px}.spot-plus{display:none}.spot-no{font-size:8px;padding-top:2px}.catalog{padding:60px 0}.section-heading{display:block}.section-heading>div{display:block;margin-top:20px}.section-heading h2{font-size:37px}.section-heading p{max-width:350px;margin-top:15px;font-size:12px}.filters{margin-top:28px;gap:18px;justify-content:flex-start}.filter{font-size:10px;padding:14px 0}.product{grid-template-columns:36px 1fr;padding:25px 0;gap:0}.product-number{font-size:11px;padding-top:5px}.product-art{grid-column:2;aspect-ratio:1.12;padding:10px}.product-body{grid-column:2;padding:25px 0 12px}.product-body h3{font-size:32px;margin:12px 0}.selection-note{margin-top:20px;padding-top:15px}.product-body>p{font-size:13px}.image-hint{opacity:1;font-size:9px;bottom:10px;left:12px;right:12px}.application-layout{grid-template-columns:1fr;gap:35px}.applications{padding:55px 0}.application-intro{padding:0}.application-intro h2{margin-top:22px;font-size:38px}.application-intro p{max-width:100%}.application-intro>.text-link{max-width:220px}.application-row summary{grid-template-columns:28px 1fr 20px;font-size:20px}.application-row p{margin-left:40px;margin-right:10px}.application-row a{margin-left:40px}.contact{grid-template-columns:1fr;gap:35px;padding:60px 0}.contact-intro{padding:0}.contact-intro h2{font-size:40px}.preparation{margin-top:25px}.note{max-width:420px}form{gap:24px 18px}.footer-top{display:block;padding:28px 0}.footer-wordmark{font-size:70px;letter-spacing:-4px}.footer-top>div{text-align:left;margin-top:25px}.footer-bottom{flex-direction:column;gap:10px}.footer-bottom>span:last-child{text-align:left}.product-gallery img{width:88%}dialog{padding:22px}dialog h2{font-size:29px}html[lang="zh-CN"] .showroom h1{font-size:clamp(38px,9vw,60px)}html[lang="de"] .showroom h1{font-size:clamp(33px,8vw,55px)}}
@media(max-width:380px){header{gap:10px}nav a:first-child{display:none}nav{margin-left:auto}#language{max-width:90px}.showroom h1{font-size:50px}.stage-bottom h2{font-size:18px}.round-arrow{width:36px;height:36px}.filters{gap:12px}.product-body h3{font-size:27px}form{grid-template-columns:1fr}.showroom-selector button{font-size:9px}.micro,.eyebrow{letter-spacing:1.2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.spot-image-button:hover img,.product-art:hover img{transform:none}}
/* Enlarge the photographed object within its original white margins. */
.spot-image-button{overflow:hidden}.spot-image-button img{transform:scale(1.18)}.spot-image-button:hover img{transform:scale(1.23)}.spot-image-button[data-detail="sphere"] img{transform:scale(1.5)}.spot-image-button[data-detail="sphere"]:hover img{transform:scale(1.55)}
@media(prefers-reduced-motion:reduce){.spot-image-button:hover img{transform:scale(1.18)}.spot-image-button[data-detail="sphere"]:hover img{transform:scale(1.5)}}

.brand-descriptor{letter-spacing:.6px}.brand-descriptor strong{font-weight:500;font-size:12px}.brand-descriptor>span{font-size:9px}.company-identity{padding-top:30px}.company-identity p:first-child{font-size:17px;color:var(--ink);letter-spacing:1px}.company-identity p:last-child{font-size:12px;margin-top:5px;color:var(--muted)}

.about{display:grid;grid-template-columns:1fr 1fr;gap:6vw;padding-top:100px;padding-bottom:100px;border-bottom:1px solid #ccc}.about h2{font-size:clamp(36px,4vw,64px);line-height:1.1;letter-spacing:-.04em;margin-top:24px}.about p{line-height:1.8;max-width:640px}.address{border-top:1px solid #ccc;margin-top:32px;padding-top:24px}.model-list{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 28px}.model-choice{padding:10px 12px;border:1px solid #bbb;background:transparent;font:inherit;font-size:13px;cursor:pointer}.model-choice:hover,.model-choice:focus-visible{background:#242424;color:white}@media(max-width:700px){.about{grid-template-columns:1fr;gap:20px;padding-top:60px;padding-bottom:60px}}

#details{width:min(1120px,94vw);max-width:1120px}#model-list{display:block}#details>.note{max-width:none;margin:14px 0 24px}.spec-search{display:block;max-width:400px;font-size:13px}.spec-search input{display:block;width:100%;padding:12px 0;border:0;border-bottom:1px solid var(--ink);background:transparent;color:inherit;margin-top:6px}.spec-group{margin:28px 0}.spec-group h4{font-weight:500;margin:0 0 12px}.spec-scroll{overflow-x:auto;max-width:100%;border:1px solid var(--line)}.spec-table{border-collapse:collapse;width:100%;font-size:12px;text-align:left;min-width:760px}.spec-table caption{text-align:left;padding:12px;color:var(--muted);font-size:12px}.spec-table th,.spec-table td{padding:12px;border-top:1px solid var(--line);vertical-align:top}.spec-table thead th{background:var(--stage);font-weight:500}.spec-table tbody th{font-weight:400}.spec-table .model-choice{padding:0;border:0;white-space:nowrap;text-decoration:underline;text-underline-offset:4px}.spec-table tbody tr:hover{background:var(--stage)}.spec-warning{color:#9d3c21;min-width:130px}.spec-muted{color:var(--muted)}@media(max-width:700px){#details{padding:20px;width:95vw}.spec-table th,.spec-table td{padding:10px}.spec-table{font-size:12px}}

.factory-gallery{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;min-width:0;width:100%;max-width:1040px;margin:0 auto;align-items:start}.factory-photo{margin:0;min-width:0}.factory-photo img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:center}.factory-photo figcaption{display:flex;flex-direction:column;gap:6px;padding:12px 0 16px;font-size:12px;color:var(--muted);border-bottom:1px solid var(--line)}.factory-photo figcaption .micro{white-space:nowrap;font-size:9px}@media(max-width:700px){.factory-gallery{grid-template-columns:1fr;gap:24px;max-width:340px;margin:12px auto 0}.factory-photo figcaption{flex-direction:row;justify-content:space-between;gap:12px;font-size:11px}}

.technical-actions{display:flex;flex-wrap:wrap;gap:24px;margin:24px 0 32px}.technical-actions .text-link{font-size:13px;margin:0}.technical-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;margin:30px 0}.technical-layout h3,.imaging-section h3{font-size:21px;margin-bottom:20px}.principle-figure{margin:0}.principle-figure img{display:block;width:100%;height:260px;object-fit:contain;background:white}.principle-figure figcaption{font-size:13px;line-height:1.7;color:var(--muted);margin-top:12px}.code-segments{display:flex;gap:18px;flex-wrap:wrap;padding:24px 0;border-block:1px solid var(--line);margin:0 0 18px}.code-segments div{flex:1;min-width:58px}.code-segments dt{font-size:24px;font-family:monospace;color:var(--accent)}.code-segments dd{margin:8px 0 0;font-size:11px;color:var(--muted)}.code-guide p{font-size:13px;margin-bottom:16px}.imaging-section{border-block:1px solid var(--line);padding:28px 0;margin-bottom:32px}.imaging-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:680px}.imaging-grid figure{margin:0}.imaging-grid img{display:block;width:100%;height:180px;object-fit:contain;background:white}.imaging-grid figcaption{font-size:13px;margin:10px 0 18px}.imaging-section p{font-size:12px}.technical-source{margin-top:8px}.led-section{padding:64px 0 80px;border-top:1px solid var(--line)}.led-section .section-heading h2{font-size:clamp(30px,4vw,48px)}.led-table-scroll{overflow-x:auto}.led-table{border-collapse:collapse;width:100%;font-size:14px;text-align:left;min-width:560px}.led-table th,.led-table td{padding:18px;border-bottom:1px solid var(--line);font-weight:400}.led-table thead{background:var(--stage)}.led-note{font-size:12px;margin-top:20px;max-width:900px}@media(max-width:700px){.technical-layout{grid-template-columns:1fr;gap:24px}.principle-figure img{height:220px}.imaging-grid{gap:12px}.imaging-grid img{height:130px}.technical-actions{gap:14px}.led-section{padding:40px 0}.code-segments{gap:12px}}
.technical-actions .text-link{width:auto;min-width:210px}#details .product-gallery img{height:260px;width:calc((100% - 30px)/3);aspect-ratio:auto}@media(max-width:700px){#details .product-gallery img{height:220px;width:80%}.technical-actions .text-link{min-width:0}}

.inquiry-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.button:disabled{opacity:.6;cursor:wait}

#inquiry-result{box-sizing:border-box;width:min(460px,calc(100vw - 40px));max-height:calc(100dvh - 40px);padding:36px;border:1px solid #ddd8ce;background:#faf9f5;color:#252823;text-align:left;box-shadow:0 24px 80px #0004}#inquiry-result::backdrop{background:rgb(20 24 22 / .6)}#inquiry-result .result-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;font-size:30px;font-weight:600;background:#e5f1e9;color:#22613a;margin-bottom:22px}#inquiry-result[data-result=error] .result-icon{background:#fbe8df;color:#a83b20}#inquiry-result h2{font-size:clamp(24px,5vw,32px);line-height:1.25;margin:0 0 14px;letter-spacing:-.02em}#inquiry-result p{font-size:16px;line-height:1.7;margin:0 0 26px;overflow-wrap:anywhere}#inquiry-result .button{width:100%;justify-content:center}#status[data-state=sent],#status[data-state=error],#status[data-state=sending]{padding:14px 16px;border-left:3px solid;font-size:15px;line-height:1.6}#status[data-state=sent]{background:#e5f1e9;color:#22613a}#status[data-state=error]{background:#fbe8df;color:#96341c}#status[data-state=sending]{background:#eeeae2;color:#403e38}@media(max-width:480px){#inquiry-result{padding:26px}}