.header{gap:16px}.logo{width:170px}.nav{font-size:14px;gap:18px}.downloads{display:grid;gap:18px;margin:25px 0 35px}.download{display:flex;gap:20px;border:1px solid #dce6ed;border-radius:5px;padding:24px;background:#fff}.download h3{font-size:21px;margin:0 0 5px}.download p{font-size:13px;margin:0;color:#64717a}.download small{display:block;font-size:11px;margin-top:12px;color:#64717a;overflow-wrap:anywhere}.download small a{text-decoration:underline}.file-icon{flex-shrink:0;padding:16px 10px;background:#edf6fa;color:#075a7b;align-self:start;font-weight:700;font-size:13px}.download-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:12px;font-size:14px;font-weight:600;color:#087ba7}.download-actions a{padding:3px 0}.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.spec-grid a{border:1px solid #dce6ed;padding:10px}.spec-grid img{width:100%;height:auto}.spec-grid span{display:block;padding:12px 0;color:#087ba7;font-weight:600;font-size:14px}.table-wrap{margin:25px 0}.table-wrap table{min-width:520px}.table-wrap caption{text-align:left;color:#506676;font-size:13px;margin-bottom:10px}th{color:#143d54}td:first-child{font-weight:500}.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:65px}.faq-tools{align-self:start;background:#f2f7fa;padding:25px;border-top:3px solid #39b5e6}.faq-tools label{display:block;color:#143d54;font-weight:600;margin:0 0 8px}.faq-tools input,.faq-tools select{width:100%;font:inherit;font-size:16px;padding:11px 12px;background:white;border:1px solid #c8d8e3;border-radius:3px;margin-bottom:20px}.faq-tools #faq-count{font-size:13px}.faq-group{margin-bottom:50px}.faq-group h2{font-size:30px}.faq-group[hidden],details[hidden]{display:none}.faq-group details p{color:#4e5d68}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.guide-card{border:1px solid #e1eaf0;border-top:3px solid #3db6e6;padding:32px}.guide-card h2{font-size:27px}.guide-card p{margin-bottom:0}.guide-number{font-family:Jost,sans-serif;font-size:35px;color:#1285b1;display:block;margin-bottom:10px}.steps{padding-left:24px;max-width:850px}.steps li{padding:8px 0}.catalog-intro{display:flex;justify-content:space-between;align-items:start;gap:30px;margin-bottom:30px}.catalog-intro p{max-width:700px}.catalog-intro a{flex-shrink:0}.footer-links{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;margin:10px 0}.armstrong-feature{border-top:1px solid #e2ecf1}.armstrong-feature img{border-radius:4px}.content-grid>article{min-width:0}.catalog-intro+.grid3 .felt-art{min-height:235px;height:235px}.catalog-intro+.grid3 .felt-art i{height:140px}.catalog-intro+.grid3 .felt-art i:nth-child(2n){height:180px}
@media(max-width:1100px){.nav{gap:12px;font-size:13px}.logo{width:155px}.faq-layout{gap:30px;grid-template-columns:250px 1fr}}@media(max-width:900px){.header{flex-wrap:wrap}.menu-btn{display:block}.header .nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;padding:0 0 20px;gap:0;font-size:17px}.header .nav.open{display:flex}.header .nav a{padding:12px}.faq-layout{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.catalog-intro{display:block}}@media(max-width:480px){.download{padding:17px;gap:12px}.file-icon{display:none}.spec-grid{grid-template-columns:1fr}.guide-card{padding:24px}.faq-group h2{font-size:26px}.download-actions{gap:12px}.table-wrap{margin-left:0;margin-right:0}}