.product-catalog{padding:160px 0 92px;background:linear-gradient(180deg,snow,var(--brand-bg))}.catalog-sidebar{position:sticky;top:110px;background:var(--brand-bg);border:1px solid var(--brand-border);border-radius:var(--brand-radius);padding:24px;box-shadow:0 12px 28px rgba(26,32,44,.08)}.category-nav{display:grid;grid-gap:10px;gap:10px;margin:22px 0}.category-nav a{padding:10px 12px;border-radius:8px;background:var(--brand-bg-alt);color:var(--brand-text);font-weight:700}.category-nav a:hover{background:var(--brand-primary);color:var(--text-on-dark)}.sidebar-help{border-top:1px solid var(--brand-border);padding-top:20px}.catalog-intro{max-width:780px;margin-bottom:34px}.catalog-intro h1{font-size:2.55rem;line-height:1.15}.catalog-card-body p,.catalog-group-head p,.catalog-intro p{color:var(--brand-text-secondary)}.catalog-group{padding:30px 0 42px;border-top:1px solid var(--brand-border)}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:22px;gap:22px}.catalog-card{display:flex;flex-direction:column;background:var(--brand-bg);border:1px solid var(--brand-border);border-radius:var(--brand-radius);overflow:hidden;box-shadow:0 10px 28px rgba(26,32,44,.08)}.catalog-media{background:var(--brand-bg-alt)}.catalog-media img{width:100%;aspect-ratio:4/3;-o-object-fit:contain;object-fit:contain;padding:16px}.catalog-card-body{display:flex;flex-direction:column;gap:12px;padding:20px;flex:1}.spec-tags{display:flex;flex-wrap:wrap;gap:8px}.spec-tags span{background:#fff8d8;border-radius:999px;padding:5px 10px;font-size:.82rem;font-weight:700}.catalog-card .btn{margin-top:auto}@media (max-width:991px){.catalog-sidebar{position:static}}