:root{--blue:#004d99;--nav:#244f91;--deep:#003a73;--cyan:#00aeef;--ink:#25354a;--gray:#65738a;--line:#dde5ef;--bg:#f3f6fa}*{box-sizing:border-box}body{margin:0;font:15px/1.5 Arial,Helvetica,sans-serif;color:var(--ink);background:white}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}button,input,select,textarea{font:inherit}button{cursor:pointer}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}button:disabled{opacity:.45;cursor:default}[hidden]{display:none!important}.container{max-width:1240px;padding:0 28px;margin:auto}.demo{font-size:11px;text-align:center;background:#eaf3fc;color:#416282;padding:5px}.head{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:25px;padding-top:22px;padding-bottom:22px}.logo{text-align:center}.logo img{display:inline-block;vertical-align:middle;object-fit:contain;width:218px;height:66px}.contact{display:flex;flex-direction:column;align-items:flex-start;font-size:18px;line-height:1.5}.contact a:last-child{font-size:14px}.address{font-size:14px;text-align:right}.address span{color:var(--gray);font-size:12px}.nav-band{background:var(--nav)}nav{display:flex;align-items:stretch;justify-content:space-between;gap:6px}nav a{color:white;font-size:13px;padding:16px 15px;display:flex;align-items:center;gap:9px}nav a:hover{background:#173e79;text-decoration:none}.request-link{margin-left:auto;background:#003a73}.request-link b{background:white;color:var(--blue);border-radius:3px;font-size:12px;min-width:22px;text-align:center}.hero{background:linear-gradient(90deg,#fff 0%,#ffffffec 35%,#ffffff80 72%,#ffffff20),url('assets/ventilation.webp') center 47%/cover;border-bottom:1px solid var(--line)}.hero-inner{padding-top:48px;padding-bottom:46px}.hero small{color:var(--blue);font-size:14px}.hero h1{font-size:40px;line-height:1.18;font-weight:500;max-width:650px;margin:13px 0 18px;letter-spacing:-.7px}.hero p{max-width:550px;color:#53647a;margin:0 0 24px;font-size:16px}.btn{display:inline-flex;justify-content:center;align-items:center;gap:10px;border:1px solid #c5d4e8;background:white;color:var(--blue);padding:11px 17px;border-radius:3px;min-height:43px;font-size:13px;font-weight:600}.btn:hover{background:#e9f3ff;text-decoration:none}.btn.primary{background:var(--blue);border-color:var(--blue);color:white}.btn.primary:hover{background:var(--deep)}.actions{display:flex;flex-wrap:wrap;gap:12px}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;border-bottom:1px solid var(--line);padding-top:21px;padding-bottom:21px}.services strong{font-size:14px;display:block;font-weight:500;color:var(--blue)}.services span{font-size:12px;color:var(--gray)}.shop{padding-top:32px;padding-bottom:45px;display:grid;grid-template-columns:245px minmax(0,1fr);gap:30px}.sidebar{border:1px solid var(--line);align-self:start;background:white}.sidebar h2{font-size:17px;background:var(--nav);color:white;margin:0;padding:16px;font-weight:500}.side-link{display:flex;justify-content:space-between;gap:10px;text-align:left;align-items:center;width:100%;background:white;border:0;border-bottom:1px solid #edf1f6;color:var(--ink);font-size:13px;padding:13px 15px;min-height:43px}.side-link small{color:var(--gray);font-size:11px}.side-link:hover{background:#f0f6fd}.side-link.active{color:var(--blue);background:#eaf4ff;border-left:3px solid var(--cyan);padding-left:12px}.side-link.sub{padding-left:27px;font-size:12px}.side-link.sub.active{padding-left:24px}.side-help{background:var(--bg);padding:18px;font-size:12px;color:var(--gray)}.side-help a{font-size:15px;display:block;margin-top:10px}.shop-main{min-width:0}.title-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px}h2{font-size:26px;font-weight:500;line-height:1.2;margin:0 0 15px}h3{font-size:19px;font-weight:500}.title-row h2{margin:0}.muted{color:var(--gray)}.small{font-size:12px}.search{display:flex;border:1px solid #bacbdf;border-radius:3px;background:white;margin-bottom:14px;overflow:hidden}.search input{width:100%;min-width:0;border:0;padding:13px 15px;outline-offset:-3px}.search button{background:var(--blue);color:white;border:0;padding:0 22px;font-size:13px}.filter-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}.filter-row select{padding:9px;background:var(--bg);border:1px solid var(--line);border-radius:3px;color:var(--ink);min-width:0;max-width:100%;font-size:12px}.filter-row label{font-size:12px;display:flex;align-items:center;gap:5px}.reset{margin-left:auto;background:transparent;color:var(--blue);font-size:12px;border:0;padding:8px}.results-bar{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--gray);margin:15px 0}.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.product{border:1px solid var(--line);display:flex;flex-direction:column;background:white;border-radius:3px;overflow:hidden;transition:box-shadow .15s}.product:hover{box-shadow:0 4px 15px #21477912;border-color:#a8c0dd}.product-photo{height:180px;padding:15px 18px;position:relative;display:flex;align-items:center;justify-content:center}.product-photo img{width:100%;height:100%;object-fit:contain}.product-body{padding:0 17px 15px;display:flex;flex-direction:column;flex:1}.product-body h3{font-size:14px;line-height:1.45;margin:10px 0 14px;min-height:81px;font-weight:500;color:var(--blue);overflow-wrap:anywhere}.badges{display:flex;flex-wrap:wrap;gap:5px;min-height:23px}.badge{font-size:10px;padding:3px 6px;background:#edf4fc;color:#3c6291;border-radius:2px}.badge.archive{background:#fff2d9;color:#885b17}.product-body .mini{font-size:11px;color:var(--gray);margin:10px 0 14px;overflow-wrap:anywhere}.product-body .btn{width:100%;margin-top:auto;font-size:12px}.product-body .price{font-size:12px;margin:0 0 10px}.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin:27px 0;flex-wrap:wrap}.pagination button{border:1px solid var(--line);color:var(--blue);background:white;min-width:40px;min-height:40px;border-radius:3px;padding:7px}.pagination button.active{background:var(--blue);color:white}.empty{grid-column:1/-1;background:var(--bg);padding:35px;text-align:center}.lower{background:var(--bg);padding:40px 0}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.steps b{color:var(--cyan);font-size:28px;font-weight:400}.steps p{color:var(--gray);font-size:13px}.page{padding-top:27px;padding-bottom:55px}.crumb{color:var(--gray);font-size:12px;margin-bottom:22px}.page h1{font-size:30px;line-height:1.3;margin:10px 0 25px;font-weight:500;color:#234b79}.product-detail{display:grid;grid-template-columns:1fr 1.1fr;gap:45px}.gallery-main{width:100%;height:330px;object-fit:contain;border:1px solid var(--line);padding:25px;background:white}.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.thumbs button{border:1px solid var(--line);background:white;padding:5px;width:65px;height:60px;border-radius:3px}.thumbs button.active{border-color:var(--blue)}.thumbs img{width:100%;height:100%;object-fit:contain}.summary{font-size:14px;line-height:1.65}.summary .sku{color:var(--gray);font-size:12px;overflow-wrap:anywhere}.summary h2{font-size:22px;line-height:1.4}.summary p{color:var(--gray)}.field{border:1px solid #bfcfe1;border-radius:3px;padding:11px;background:white;max-width:100%;min-width:0}.quantity{width:95px}.buy{padding:20px;background:var(--bg);margin-top:20px;border-left:3px solid var(--cyan)}.buy label{display:block;font-size:12px;margin:10px 0 5px}.buy .actions{margin-top:12px}.data-tabs{margin-top:38px;display:grid;grid-template-columns:1fr 1fr;gap:32px}.specs{border-collapse:collapse;width:100%;font-size:13px}.specs td{border-bottom:1px solid var(--line);padding:11px 8px;vertical-align:top;overflow-wrap:anywhere}.specs td:first-child{color:var(--gray);width:55%}.description{white-space:pre-line;font-size:14px;line-height:1.7;color:#53647a;overflow-wrap:anywhere}.description-box summary{cursor:pointer;color:var(--blue);margin-bottom:15px;font-size:18px}.archive-note{background:#fff4df;color:#825c25;padding:15px;font-size:13px;margin-bottom:20px}.request-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px}.request-item{display:grid;grid-template-columns:64px 1fr;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}.request-item img{width:64px;height:64px;object-fit:contain}.request-item h3{font-size:14px;line-height:1.5;margin:0 0 10px}.request-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.request-controls input{width:72px;padding:6px;border:1px solid var(--line)}.request-controls button{border:1px solid var(--line);background:white;padding:8px;color:var(--blue);min-width:36px;min-height:36px}.request-controls .remove{margin-left:auto;font-size:11px;border:0}.form-panel{padding:25px;border:1px solid var(--line);background:var(--bg);align-self:start}.form-panel label{display:block;font-size:13px;margin:15px 0 5px}.form-panel .field{width:100%}.form-panel textarea{min-height:100px;resize:vertical}.form-panel .check{display:flex;align-items:start;gap:9px;font-size:12px;margin:18px 0}.check input{width:18px;height:18px;flex-shrink:0}.form-panel .btn{width:100%}.error{font-size:13px;color:#b82929}.success{background:#e7f3fc;border:1px solid #adcbe8;padding:20px;margin-top:20px}.text-page{max-width:800px;min-height:350px}.text-page p{color:var(--gray);line-height:1.8}.text-page h2{margin-top:30px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--deep);color:white;box-shadow:0 4px 20px #0002;padding:13px 22px;font-size:13px;z-index:10;max-width:calc(100% - 30px);border-radius:4px}footer{border-top:4px solid var(--nav);background:#f5f7fa;padding:30px 0 20px}.footer-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:35px;font-size:14px}.footer-grid img{width:165px;height:auto}.footer-grid p{font-size:12px;color:var(--gray)}.footnote{border-top:1px solid var(--line);padding-top:15px;margin-top:20px;font-size:11px;color:var(--gray)}@media(max-width:1000px){.shop{grid-template-columns:210px minmax(0,1fr);gap:20px}.products{grid-template-columns:repeat(2,minmax(0,1fr))}.address{font-size:12px}.contact{font-size:16px}nav a{padding:14px 8px;font-size:12px}.hero h1{font-size:35px}.product-body h3{min-height:63px}.data-tabs{gap:25px}}@media(max-width:680px){.container{padding-left:16px;padding-right:16px}.head{grid-template-columns:1fr 1fr;gap:12px;padding-top:16px;padding-bottom:16px}.logo{grid-column:1;grid-row:1;text-align:left}.logo img{width:170px;height:auto}.contact{grid-column:2;grid-row:1;align-items:end;font-size:13px}.contact a:last-child{font-size:10px}.address{display:none}nav{flex-wrap:wrap;gap:0;padding:0!important}nav a{justify-content:center;flex:1 0 32%;padding:11px 5px;font-size:11px;border-bottom:1px solid #ffffff16}.request-link{margin:0}.hero-inner{padding-top:30px;padding-bottom:30px}.hero{background:linear-gradient(90deg,#fffffff5,#ffffffd6),url('assets/ventilation.webp') center/cover}.hero h1{font-size:30px;line-height:1.25}.hero p{font-size:14px}.hero small{font-size:12px}.services{grid-template-columns:1fr;gap:12px;padding-top:17px;padding-bottom:17px}.services div{display:flex;gap:12px;align-items:center}.services strong{font-size:12px;min-width:125px}.services span{font-size:11px}.shop{grid-template-columns:1fr;gap:18px;padding-top:22px}.sidebar h2{padding:12px;font-size:15px}.side-help,.side-link.sub{display:none}.sidebar-links{display:grid;grid-template-columns:1fr 1fr}.side-link{font-size:12px;padding:10px;min-height:48px}.side-link.active{padding-left:7px}.side-link small{font-size:10px}.side-link[data-cat="all"],.side-link[data-cat="archive"]{grid-column:1/-1}.title-row h2{font-size:23px}.products{gap:10px}.product-photo{height:145px;padding:12px}.product-body{padding:0 12px 12px}.product-body h3{font-size:12px;min-height:86px}.product-body .mini{font-size:10px}.product-body .btn{font-size:11px;padding:9px 6px}.badge{font-size:9px}.search button{padding:0 15px}.filter-row{gap:8px}.filter-row select{max-width:100%;flex:1;font-size:12px}.filter-row label{width:100%}.reset{margin-left:0}.product-detail,.data-tabs,.request-grid,.steps,.footer-grid{grid-template-columns:1fr;gap:24px}.page h1{font-size:25px}.gallery-main{height:260px}.data-tabs{margin-top:25px}.gallery-main{padding:15px}.form-panel{padding:19px}.empty{padding:25px 15px}.demo{font-size:10px}.footer-grid{gap:18px}.title-row{align-items:start;gap:10px}.title-row .small{max-width:100px;text-align:right}.lower{padding:28px 0}.steps h3{margin:8px 0}.step p{margin:5px 0}}@media(max-width:360px){.head{gap:6px}.logo img{width:142px}.contact{font-size:12px}.contact a:last-child{font-size:9px}.hero h1{font-size:27px}.products{grid-template-columns:1fr}.product-photo{height:190px}.product-body h3{font-size:14px;min-height:0}.product-body .btn{font-size:13px}.services div{display:block}.services span{display:block}.sidebar-links{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.mobile-category{display:none}@media(max-width:680px){.filter-row .mobile-category{display:block;flex:1 0 100%;width:100%}}
@media(max-width:680px){.sidebar{display:none}.shop{padding-top:25px}}

.photo-placeholder{display:grid;place-content:center;text-align:center;background:#f3f6fa;color:#758297;font-size:13px;width:100%;height:100%;min-height:70px}.no-photo{display:grid;place-content:center;color:#758297;background:#f3f6fa}.request-item .photo-placeholder{font-size:10px;min-height:64px}.side-link{overflow-wrap:anywhere}
.side-link small{flex-shrink:0;white-space:nowrap;min-width:20px;text-align:right}

.about-intro{max-width:850px;margin-bottom:32px}.about-intro h1{max-width:750px;font-size:36px;line-height:1.2;margin-bottom:20px}.about-kicker{font-size:12px;color:var(--blue);letter-spacing:1px;margin-bottom:12px}.about-lead{font-size:18px;line-height:1.65;color:#42566f}.about-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px}.about-main p{color:#53647a;line-height:1.75}.about-main h2{margin-top:34px;font-size:25px}.about-main h2:first-child{margin-top:0}.about-company{background:var(--bg);border-top:3px solid var(--blue);padding:23px;align-self:start}.about-company h2{font-size:20px;margin-bottom:13px}.about-company p{font-size:13px;line-height:1.7;color:var(--gray)}.about-company a{display:block;margin:12px 0;font-size:14px}.about-company dl{margin:20px 0 0;font-size:12px}.about-company dt{color:var(--gray);margin-top:9px}.about-company dd{margin:0}.about-range{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:20px}.about-range button{text-align:left;background:white;border:1px solid var(--line);border-top:3px solid var(--cyan);padding:20px;color:var(--ink);font-size:14px;line-height:1.5}.about-range button:hover{background:#f3f8ff}.about-range strong{font-size:17px;color:var(--blue);font-weight:500;display:block;margin-bottom:9px}.about-range span{display:block;font-size:13px;color:var(--gray);margin-bottom:17px}.about-range em{font-size:12px;font-style:normal;color:var(--blue)}.about-process{list-style:none;padding:0;margin:20px 0;counter-reset:about}.about-process li{position:relative;padding:0 0 22px 45px;counter-increment:about}.about-process li:before{content:counter(about);position:absolute;left:0;top:0;background:#eaf3fc;color:var(--blue);width:29px;height:29px;display:grid;place-items:center;border-radius:50%;font-size:13px}.about-process strong{font-size:15px;font-weight:500}.about-process p{font-size:14px;margin:6px 0 0}.about-end{border-top:1px solid var(--line);padding-top:23px;margin-top:15px}.about-end p{margin:0 0 18px}.about-status{border-left:3px solid var(--cyan);padding-left:18px;margin:25px 0}.about-status p{font-size:14px}.about-status strong{font-weight:500;color:var(--blue)}@media(max-width:800px){.about-layout{grid-template-columns:1fr;gap:30px}.about-company{max-width:none}.about-intro h1{font-size:30px}}@media(max-width:480px){.about-intro h1{font-size:26px}.about-lead{font-size:16px}.about-range{grid-template-columns:1fr}.about-main h2{font-size:23px}}
.about-facts{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:25px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 0 38px}.about-facts strong{display:block;color:var(--blue);font-size:21px;font-weight:500}.about-facts span{display:block;color:var(--gray);font-size:13px;margin-top:6px}.about-service-list{margin-top:22px}.about-service-list section{border-bottom:1px solid var(--line);padding:15px 0}.about-service-list h3{font-size:18px;margin:0 0 7px;color:var(--blue)}.about-service-list p{font-size:14px;margin:0}.about-intro h1{font-size:34px;max-width:900px}@media(max-width:680px){.about-facts{grid-template-columns:1fr;gap:17px;margin-bottom:28px}.about-facts strong{font-size:20px}.about-intro h1{font-size:27px}}

/* Distributor proof and practical services */
.advantages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0 38px}.advantage{border:1px solid var(--line);border-top:3px solid var(--cyan);background:#f7faff;padding:26px 22px}.advantage-icon{display:flex;width:52px;height:52px;align-items:center;justify-content:center;background:#e4f5fc;color:var(--blue);border-radius:10px;margin-bottom:20px}.advantage-icon svg{width:34px;height:34px}.advantage h3{font-size:19px;line-height:1.35;margin:0 0 10px;color:var(--blue)}.advantage p{font-size:14px;line-height:1.65;margin:0;color:var(--gray)}.advantages-compact{margin:0 auto;padding-top:24px;padding-bottom:24px;gap:25px}.advantages-compact .advantage{display:flex;gap:16px;align-items:center;padding:0;background:none;border:0}.advantages-compact .advantage-icon{margin:0;flex-shrink:0}.advantages-compact h3{font-size:16px;margin:0 0 4px}.advantages-compact p{font-size:13px}.about-highlights{display:flex;flex-wrap:wrap;gap:12px 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:0 0 34px;color:var(--blue);font-size:14px}.about-highlights span:before{content:'✓';color:#009bce;margin-right:9px}.benefits-title{font-size:27px;margin:0}.distributor-proof{display:grid;grid-template-columns:225px minmax(0,1fr);gap:42px;align-items:center;padding:32px;background:#f2f6fa;border:1px solid var(--line);margin-bottom:42px}.certificate-preview{display:block;background:white;padding:10px;box-shadow:0 5px 20px #233e5712;text-align:center}.certificate-preview img{display:block;width:100%;height:auto}.certificate-preview span{display:block;font-size:12px;margin:12px 0 3px}.certificate-preview:hover{outline:2px solid var(--cyan)}.distributor-proof h2{font-size:28px;line-height:1.25;margin:0 0 18px}.distributor-proof p{font-size:15px;line-height:1.75;color:var(--gray);max-width:640px}.distributor-proof .certificate-date{font-size:12px;margin-bottom:22px}.selection-help{margin:24px 0;padding:22px;border-left:3px solid var(--cyan);background:#f7faff}.selection-help h3{margin:0;font-size:19px;color:var(--blue)}.selection-help p{font-size:14px}.selection-help a{font-size:14px}a:focus-visible,button:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}@media(max-width:800px){.advantages{gap:12px}.advantage{padding:20px 15px}.advantage h3{font-size:17px}.distributor-proof{gap:26px;grid-template-columns:190px minmax(0,1fr);padding:24px}.distributor-proof h2{font-size:24px}.advantages-compact{grid-template-columns:1fr}.advantages-compact .advantage{padding:10px 0}}@media(max-width:600px){.advantages{grid-template-columns:1fr}.advantage{display:flex;align-items:flex-start;gap:16px}.advantage-icon{flex-shrink:0;margin:0}.benefits-title{font-size:24px}.distributor-proof{grid-template-columns:1fr;padding:22px;gap:26px}.certificate-preview{width:190px;margin:auto}.distributor-proof h2{font-size:23px}.about-highlights{display:grid;gap:12px}.advantages-compact{gap:0}}

/* Fill floor-filter image areas without cropping the material. */
.product-photo.floor-photo{height:auto;aspect-ratio:3/2;padding:0;overflow:hidden}.product-photo.floor-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.gallery-main.floor-gallery{display:block;height:auto;aspect-ratio:1;object-fit:contain;padding:8px}.gallery-main.floor-gallery.is-roll{aspect-ratio:3/2;object-fit:cover;object-position:center;padding:0}.thumbs .roll-thumb{overflow:hidden;padding:0}.thumbs .roll-thumb img{object-fit:cover}

/* Variant 02: live product specification label on coarse-filter photos. */
.product-photo.coarse-photo{height:auto;padding:0;display:block;aspect-ratio:1}.coarse-artwork{container-type:inline-size;position:relative;display:block;aspect-ratio:1;width:100%;background:#fff;overflow:hidden}.coarse-artwork .coarse-image,.coarse-artwork .gallery-main{position:absolute;left:0;top:-2%;width:100%;height:81%;object-fit:contain;padding:0;border:0;margin:0}.coarse-sticker{position:absolute;bottom:3cqw;left:3cqw;right:3cqw;display:grid;grid-template-columns:1fr 1fr;gap:2.5cqw 3cqw;padding:3cqw 4cqw;background:#fff;border:1px solid #c4d5e5;border-left:1.2cqw solid #00aeef;border-radius:3cqw;box-shadow:0 1cqw 4cqw #244f9114;color:#244f91;text-align:left}.coarse-sticker[hidden]{display:none}.coarse-spec{display:block;min-width:0}.coarse-label{display:block;font-size:clamp(9px,2.7cqw,15px);line-height:1.2;color:#617693;margin-bottom:1cqw}.coarse-value{display:block;font-weight:700;font-size:clamp(12px,4cqw,24px);line-height:1.2;white-space:nowrap}.coarse-unit{font-size:.75em;font-weight:normal}.coarse-spec:last-child{background:#e7f6fc;border-radius:1cqw;padding:1.3cqw 2cqw;margin:-1.3cqw -1cqw}.product-photo.coarse-photo:hover{text-decoration:none}.product-photo.coarse-photo .coarse-artwork{border-bottom:1px solid #edf2f6}#galleryFrame.coarse-artwork{border:1px solid var(--line)}

/* Floor filters use the same white label, with three specifications. */
.floor-sticker .coarse-spec:first-child{grid-column:1/-1}.coarse-artwork.floor-artwork .coarse-image,.coarse-artwork.floor-artwork .gallery-main{height:75%;top:-2%;object-fit:cover;aspect-ratio:auto;padding:0;border:0}.floor-sticker{row-gap:2.2cqw}

/* Compact product information and prominent placeholder prices. */
.product-body h3{min-height:0;margin:12px 0 5px}.product-body .mini{margin:0 0 12px}.product-body .price{margin:auto 0 12px;padding-top:4px;font-size:25px;line-height:1.2;font-weight:700;color:var(--blue)}.price-currency{font-size:.65em;font-weight:500}.product-body .btn{margin-top:0}.buy>.price{display:block;font-size:30px;line-height:1.2;color:var(--blue)}@media(max-width:680px){.product-body .price{font-size:23px}.product-body h3{min-height:0;margin-bottom:5px}}

/* Cardboard filters: dimensions, expanded thickness and model. */
.cardboard-sticker .coarse-spec:first-child{grid-column:1/-1}.cardboard-sticker{grid-template-columns:1.45fr 1fr;row-gap:2cqw}.cardboard-sticker .coarse-spec:nth-child(2) .coarse-label{max-width:14em}.coarse-artwork.cardboard-artwork .coarse-image,.coarse-artwork.cardboard-artwork .gallery-main{height:76%;top:-3%;object-fit:contain}

/* Paper-filter label and enlarged source photo, without cutting the product. */
.coarse-artwork.paper-artwork .coarse-image,.coarse-artwork.paper-artwork .gallery-main{height:78%;top:-3%;object-fit:cover;padding:0;border:0}.paper-sticker{grid-template-columns:1.2fr 1fr;align-items:center}.paper-sticker .coarse-label{font-size:clamp(9px,2.7cqw,15px)}

.contacts-lead{max-width:820px;font-size:19px;line-height:1.65;color:var(--gray)}.contacts-direct{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;padding:24px 0 30px;border-bottom:1px solid var(--line);margin-bottom:32px}.contacts-direct a{font-size:23px;font-weight:600}.contacts-direct span{flex-basis:100%;color:var(--gray);font-size:14px}.warehouse-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:22px 0 28px}.location-card{padding:28px;background:#f7faff;border:1px solid var(--line);border-top:3px solid var(--cyan)}.location-card h3{font-size:22px;line-height:1.3;margin:12px 0 20px}.contacts-page address{font-style:normal;font-size:18px;line-height:1.7}.location-card p,.office-card p{font-size:14px;color:var(--gray);line-height:1.7}.office-card{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;border:1px solid var(--line);padding:28px}.office-card h2{margin:0 0 14px}.delivery-note{font-size:14px;line-height:1.7;color:var(--gray);max-width:900px;margin:24px 0 36px}.contacts-company{border-top:1px solid var(--line);padding-top:24px}.contacts-company p{font-size:14px;color:var(--gray)}@media(max-width:680px){.warehouse-grid,.office-card{grid-template-columns:1fr;gap:18px}.location-card,.office-card{padding:22px}.contacts-direct a{font-size:21px}.contacts-lead{font-size:16px}.contacts-page address{font-size:16px}}

/* Pocket: full-width roll photos and three specification fields. */
.coarse-artwork.pocket-artwork{aspect-ratio:4/5}.coarse-artwork.pocket-artwork .coarse-image,.coarse-artwork.pocket-artwork .gallery-main{height:80%;top:-4%;width:100%;object-fit:contain;padding:0 2px;border:0}.pocket-sticker{grid-template-columns:1.15fr 1fr}.pocket-sticker .coarse-spec:first-child{grid-column:1/-1}.pocket-sticker .coarse-value{font-size:clamp(12px,4cqw,24px)}.product-photo.coarse-photo:has(.pocket-artwork){aspect-ratio:4/5}

/* Ceiling filters: shared macro photo and optional FR marking. */
.coarse-artwork.ceiling-artwork .coarse-image,.coarse-artwork.ceiling-artwork .gallery-main{height:84%;top:-2%;object-fit:cover;padding:0;border:0}.ceiling-sticker{grid-template-columns:1.2fr 1fr;align-items:center}.fire-badge{position:absolute;left:3cqw;top:3cqw;display:flex;align-items:center;gap:2cqw;padding:2cqw 3cqw;background:#fff;border:1px solid #c4d5e5;border-radius:3cqw;box-shadow:0 1cqw 4cqw #244f9114;color:#244f91;font-size:clamp(13px,4cqw,24px);font-weight:700;line-height:1.1}.fire-badge svg{width:9cqw;height:9cqw;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.fire-badge .fire-slash-halo{stroke:white;stroke-width:5}.fire-badge>span>span{display:block;font-size:clamp(9px,2.5cqw,14px);font-weight:500;margin-top:1cqw}.fire-badge[hidden]{display:none}

/* Ordering guide */
.order-page{padding-bottom:60px}.order-intro{max-width:850px;margin-bottom:38px}.order-kicker{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}.order-intro h1{margin:8px 0 16px}.order-intro>p{font-size:18px;color:var(--gray);line-height:1.65}.order-highlights{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.order-highlights span{padding:9px 14px;background:#eaf6fc;border-radius:6px;color:var(--nav);font-weight:700}.order-page section{margin-top:38px}.order-page h2{font-size:25px;margin-bottom:20px}.order-page h3{font-size:19px;color:var(--nav);margin:12px 0}.order-page p{line-height:1.65}.order-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.order-steps article{border-top:3px solid var(--cyan);padding-top:16px}.order-steps b{font-size:28px;color:var(--blue)}.order-steps p{color:var(--gray)}.order-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.order-panel{padding:25px;border:1px solid var(--line);border-radius:10px;background:#fff}.order-tag{display:inline-block;color:var(--blue);background:#eaf6fc;padding:5px 9px;border-radius:4px;font-size:12px;font-weight:700}.order-docs{background:var(--bg);border-radius:10px;padding:28px}.order-docs h2{margin-top:0}.order-contact{display:flex;align-items:center;gap:30px;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px}.order-contact>div{max-width:760px}.order-contact .btn{flex-shrink:0}.order-contact-links{display:flex;gap:12px 26px;flex-wrap:wrap;font-weight:700;font-size:18px}@media(max-width:960px){.order-steps{grid-template-columns:1fr 1fr}.order-contact{align-items:flex-start;flex-direction:column}}@media(max-width:600px){.order-pair,.order-steps{grid-template-columns:1fr}.order-intro>p{font-size:16px}.order-page section{margin-top:30px}.order-panel,.order-docs{padding:20px}.order-page h2{font-size:23px}}

.description.description-formatted{white-space:normal;line-height:1.75;font-size:14px}.description-formatted section+section{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}.description-formatted h3{margin:0 0 12px;color:var(--nav);font-size:18px;font-weight:600;line-height:1.4}.description-formatted p{margin:0 0 12px}.description-formatted p:last-child{margin-bottom:0}.description-formatted ul{margin:12px 0 0;padding-left:22px}.description-formatted li{padding-left:4px;margin:8px 0}.description-formatted li::marker{color:var(--cyan)}

.product-sku{font-size:11px;color:var(--gray);line-height:1.4;overflow-wrap:anywhere;margin:0 0 8px}.summary p.product-sku{margin:0 0 8px}.product-body .price{margin-bottom:3px}.price-note{font-size:10px;color:var(--gray);margin-bottom:12px}.product-body h3{margin-bottom:4px}

.legal-page{max-width:900px}.legal-page section{margin-top:30px}.legal-page h2{font-size:22px;line-height:1.35}.legal-page p,.legal-page li{line-height:1.75}.legal-page li{margin-bottom:12px}.btn:disabled{opacity:.55;cursor:not-allowed}