:root{--commerce-navy:#1d2024;--commerce-blue:#c74400;--commerce-line:#f3eee9;--commerce-soft:#faf9f7;--commerce-muted:#666b70}
.commerce-page{color:var(--commerce-navy)}
.commerce-section{padding:48px clamp(18px,5vw,80px)}
.commerce-section--soft{background:var(--commerce-soft)}
.commerce-container{width:100%;max-width:1480px;margin:0 auto}
.commerce-intro{max-width:940px;margin-bottom:28px}
.commerce-intro h2,.commerce-heading{margin:0 0 12px;font-size:clamp(25px,2.5vw,36px);line-height:1.15}
.commerce-intro p,.commerce-copy{color:var(--commerce-muted);font-size:16px;line-height:1.7}
.commerce-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.commerce-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.commerce-card{display:flex;min-width:0;padding:26px;flex-direction:column;border:1px solid var(--commerce-line);border-radius:9px;background:#fff;box-shadow:0 7px 22px rgba(23,25,29,.06)}
.commerce-card img{height:270px;margin:-26px -26px 22px;max-width:calc(100% + 52px);object-fit:cover;border-radius:9px 9px 0 0}
.commerce-card h2,.commerce-card h3{margin:0 0 10px;font-size:22px;line-height:1.2}
.commerce-card p{margin:0 0 18px;color:var(--commerce-muted);font-size:15px;line-height:1.6}
.commerce-card .commerce-button{align-self:flex-start;margin-top:auto}
.commerce-button{display:inline-flex;min-height:45px;padding:11px 20px;align-items:center;justify-content:center;gap:9px;border:0;border-radius:5px;background:linear-gradient(90deg,#c74400,#c74400);color:#fff;font:700 15px/1.2 'Outfit',sans-serif;cursor:pointer}
.commerce-button--outline{border:1px solid #c74400;background:#fff;color:#c74400}
.commerce-button:hover{filter:brightness(1.07);transform:translateY(-1px)}
.commerce-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.commerce-split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr);gap:28px;align-items:start}
.commerce-panel{padding:26px;border:1px solid var(--commerce-line);border-radius:9px;background:#fff}
.commerce-note{padding:15px 18px;border-left:4px solid var(--commerce-blue);border-radius:5px;background:#faf9f7;color:#1d2024;font-size:14px;line-height:1.55}
.commerce-filter{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.commerce-filter label{font-weight:700}
.commerce-filter input,.commerce-filter select,.commerce-field input,.commerce-field select,.commerce-field textarea{width:100%;min-height:45px;padding:11px 15px;border:1px solid #e8e2dc;border-radius:5px;background:#fff;color:#1d2024;font:inherit}
.commerce-filter input{max-width:360px}
.commerce-table-wrap{width:100%;overflow-x:auto;border:1px solid var(--commerce-line);border-radius:8px;background:#fff;-webkit-overflow-scrolling:touch}
.commerce-table{width:100%;min-width:650px;border-collapse:collapse}
.commerce-table th,.commerce-table td{padding:14px 16px;border-bottom:1px solid var(--commerce-line);text-align:left}
.commerce-table th{background:#faf9f7;color:#1d2024;font-size:14px}
.commerce-table td{font-size:15px}.commerce-table tr:last-child td{border-bottom:0}
.commerce-table .commerce-button{min-height:36px;padding:8px 13px;font-size:13px}
.availability{display:inline-flex;padding:5px 10px;border-radius:30px;background:#faf9f7;color:#c74400;font-size:13px;font-weight:700;white-space:nowrap}
.large-dimensions{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.large-dimension{padding:17px 10px;border:1px solid #f3eee9;border-radius:7px;background:#fff;color:#b43b03;font-weight:700;text-align:center}
.commerce-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.commerce-link-card{display:block;padding:19px;border:1px solid var(--commerce-line);border-radius:8px;background:#fff;color:#1d2024;font-weight:700;transition:border-color .2s,transform .2s}
.commerce-link-card:hover{border-color:#c74400;transform:translateY(-2px)}
.commerce-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}
.commerce-field{display:flex;min-width:0;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.commerce-field--full{grid-column:1/-1}
.commerce-field textarea{min-height:105px;resize:vertical}
.commerce-field input[type=file]{padding:9px;background:#faf9f7}
.commerce-form .commerce-button{justify-self:end;min-width:280px}
.commerce-status{grid-column:1/-1;min-height:20px;margin:0;font-size:14px}
.commerce-status.success{color:#08733d}.commerce-status.error{color:#b42318}
.commerce-faq{display:grid;gap:10px}
.commerce-faq details{padding:17px 19px;border:1px solid var(--commerce-line);border-radius:8px;background:#fff}
.commerce-faq summary{cursor:pointer;font-weight:700}.commerce-faq p{margin:12px 0 0;color:var(--commerce-muted);line-height:1.6}
.calculator{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px}
.calculator__fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.calculator__results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.calculator__result{padding:18px;border-radius:8px;background:#faf9f7}
.calculator__result span{display:block;color:#666b70;font-size:13px}.calculator__result strong{display:block;margin-top:5px;color:#b43b03;font-size:21px}
.calculator__label{grid-column:1/-1;margin:0 0 4px;font-weight:700}
.commerce-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}.commerce-tab{padding:9px 14px;border:1px solid #e8e2dc;border-radius:30px;background:#fff;color:#1d2024;font-weight:700;cursor:pointer}.commerce-tab.active{border-color:#c74400;background:#c74400;color:#fff}
.guide-category+.guide-category{margin-top:38px}.guide-category h2{margin-bottom:18px}
.commerce-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.inner-hero .commerce-button--outline{border-color:rgba(255,255,255,.8);background:rgba(255,255,255,.06);color:#fff}
.commerce-config-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.commerce-config-grid .commerce-field--full{grid-column:1/-1}
.commerce-visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.commercial-footer-spacer{margin-top:0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-content{min-width:0}
.article-content>section{margin-bottom:38px}
.article-content h2{margin:0 0 14px;font-size:clamp(25px,2.3vw,34px);line-height:1.18}
.article-content h3{margin:24px 0 10px;font-size:21px;line-height:1.25}
.article-content p{margin:0 0 16px;color:var(--commerce-muted);font-size:16px;line-height:1.75}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:23px;color:var(--commerce-muted)}
.article-content li{margin-bottom:9px;font-size:16px;line-height:1.6}
.article-sidebar{position:sticky;top:112px;display:grid;gap:18px}
.article-toc{padding:22px;border:1px solid var(--commerce-line);border-radius:9px;background:#fff}
.article-toc h2{margin:0 0 13px;font-size:19px}.article-toc ol{margin:0;padding-left:20px}.article-toc li{margin:8px 0}.article-toc a{color:#c74400;font-weight:600}
.article-cta{padding:23px;border-radius:9px;background:linear-gradient(135deg,#1d2024,#c74400);color:#fff}
.article-cta h2{margin:0 0 9px;font-size:21px}.article-cta p{margin:0 0 16px;color:#f3eee9;line-height:1.6}
.article-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}
.article-checklist div{padding:15px 16px;border:1px solid #f3eee9;border-radius:7px;background:#faf9f7;color:#1d2024;font-weight:600}
.article-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.article-related a{padding:17px;border:1px solid var(--commerce-line);border-radius:8px;background:#fff;color:#c74400;font-weight:700}
.article-formula{padding:20px;border-radius:8px;background:#1d2024;color:#fff;font-size:18px;line-height:1.8;text-align:center}
.article-warning{padding:17px 19px;border-left:4px solid #e4a11b;border-radius:6px;background:#fff8e8;color:#5f4614;line-height:1.6}
.article-dimension-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.article-dimension-grid span{padding:13px;border:1px solid #f3eee9;border-radius:7px;background:#fff;text-align:center;font-weight:700}
@media(max-width:1000px){.article-layout{grid-template-columns:1fr}.article-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.article-related{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.article-sidebar,.article-checklist,.article-related,.article-dimension-grid{grid-template-columns:1fr}.article-content p,.article-content li{font-size:15px}.article-toc{padding:18px}}
@media(max-width:1100px){.commerce-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.large-dimensions{grid-template-columns:repeat(3,minmax(0,1fr))}.commerce-links{grid-template-columns:repeat(2,minmax(0,1fr))}.commerce-split,.calculator{grid-template-columns:1fr}}
@media(max-width:700px){.commerce-section{padding:32px 16px}.commerce-grid,.commerce-grid--2,.commerce-links,.commerce-form,.commerce-config-grid{grid-template-columns:1fr}.commerce-field--full,.commerce-config-grid .commerce-field--full{grid-column:auto}.commerce-form .commerce-button{width:100%;min-width:0;justify-self:stretch}.large-dimensions{grid-template-columns:repeat(2,minmax(0,1fr))}.commerce-card{padding:20px}.commerce-card img{height:240px;margin:-20px -20px 18px;max-width:calc(100% + 40px)}.commerce-filter{align-items:stretch;flex-direction:column}.commerce-filter input{max-width:none}.calculator__fields,.calculator__results{grid-template-columns:1fr}.calculator__label{grid-column:auto}.commerce-actions,.commerce-hero-actions{align-items:stretch;flex-direction:column}.commerce-button{width:100%}}
@media(max-width:360px){.commerce-section{padding-inline:12px}.large-dimensions{grid-template-columns:1fr}.commerce-panel{padding:18px}.commerce-table th,.commerce-table td{padding:11px 12px}}
.info-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:34px;align-items:start}.info-content{display:grid;gap:24px}.info-section{padding:28px;border:1px solid #f3eee9;border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(23,25,29,.05)}.info-section h2{margin:0 0 14px;color:#1d2024;font-size:clamp(23px,2vw,30px)}.info-section h3{margin:22px 0 9px;color:#1d2024;font-size:19px}.info-section p,.info-section li{color:#4b5056;line-height:1.7}.info-section ul,.info-section ol{display:grid;gap:8px;margin:12px 0 0;padding-left:22px}.info-note{padding:17px 19px;border-left:4px solid #c74400;border-radius:0 12px 12px 0;background:#faf9f7;color:#1d2024;line-height:1.6}.info-sidebar{position:sticky;top:112px;display:grid;gap:18px}.info-nav,.info-contact-card{padding:24px;border:1px solid #f3eee9;border-radius:18px;background:#faf9f7}.info-nav h2,.info-contact-card h2{margin:0 0 14px;color:#1d2024;font-size:21px}.info-nav ol{display:grid;gap:10px;margin:0;padding-left:20px}.info-nav a{color:#c74400;font-weight:600}.info-contact-card p{color:#4b5056;line-height:1.6}.info-meta{margin-top:12px;color:#666b70;font-size:14px}
@media(max-width:1000px){.info-layout{grid-template-columns:1fr}.info-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.info-nav{grid-column:1/-1}}
@media(max-width:700px){.info-content{gap:16px}.info-section{padding:20px}.info-sidebar{grid-template-columns:1fr}.info-nav{grid-column:auto}}