.gmc-container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.gmc-page { padding: 64px 0; }
.gmc-archive-head { margin-bottom: 22px; }
.gmc-archive-head h1, .gmc-product-main h1 { margin: 0 0 10px; font-size: 42px; line-height: 1.12; letter-spacing: 0; }
.gmc-archive-head p, .gmc-lede { color: #667085; max-width: 760px; }
.gmc-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.gmc-tabs a { padding: 9px 12px; border: 1px solid #d9e2ec; border-radius: 7px; background: #fff; font-weight: 700; font-size: 13px; }
.gmc-product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gmc-product-card, .gmc-product-main, .gmc-product-side, .gmc-finder { background: #fff; border: 1px solid #d9e2ec; border-radius: 8px; padding: 22px; }
.gmc-product-card h2 { font-size: 19px; line-height: 1.25; margin: 14px 0 10px; letter-spacing: 0; }
.gmc-product-card ul { padding-left: 18px; color: #52606d; font-size: 14px; }
.gmc-product-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 7px; background: linear-gradient(135deg, #eef4f3, #d7e7e4 55%, #f3efe7); border: 1px solid #d9e2ec; }
.gmc-product-image, .gmc-product-gallery-image { width: 100%; height: 100%; display: block; object-fit: cover; }
.gmc-product-hero { margin: 20px 0; }
.gmc-product-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: -6px 0 22px; }
.gmc-product-gallery .gmc-product-gallery-image { aspect-ratio: 4 / 3; border: 1px solid #d9e2ec; border-radius: 7px; }
.gmc-link, .gmc-breadcrumb { color: #0f766e; font-weight: 750; }
.gmc-product-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 22px; align-items: start; }
.gmc-product-side { position: sticky; top: 100px; }
.gmc-side-card { border-top: 1px solid #d9e2ec; margin-top: 18px; padding-top: 18px; }
.gmc-side-card h2 { margin: 0 0 12px; font-size: 21px; letter-spacing: 0; }
.gmc-side-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.gmc-side-list li { border: 1px solid #d9e2ec; border-radius: 7px; padding: 10px 12px; background: #f8fbfa; color: #52606d; font-weight: 700; }
.gmc-side-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.gmc-side-links a { display: block; border: 1px solid #d9e2ec; border-radius: 7px; padding: 10px 12px; background: #f8fbfa; color: #0f766e; font-weight: 750; }
.gmc-side-links a:hover { border-color: #0f766e; background: #eef8f6; }
.gmc-pagination { margin: 28px 0; }
.gmc-pagination .nav-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.gmc-pagination a, .gmc-pagination span { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #d9e2ec; border-radius: 7px; padding: 0 12px; background: #fff; font-weight: 750; }
.gmc-pagination .current { background: #0f766e; color: #fff; border-color: #0f766e; }
.gmc-spec-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.gmc-spec-table th, .gmc-spec-table td { border: 1px solid #d9e2ec; padding: 10px 12px; text-align: left; vertical-align: top; }
.gmc-spec-table th { background: #f7f9fb; width: 34%; }
.gmc-db-section, .gmc-category-links, .gmc-product-faq { border-top: 1px solid #d9e2ec; margin-top: 28px; padding-top: 22px; }
.gmc-db-section h2, .gmc-category-links h2, .gmc-product-faq h2 { margin: 0 0 10px; font-size: 27px; line-height: 1.25; letter-spacing: 0; }
.gmc-db-notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.gmc-db-notes article { border: 1px solid #d9e2ec; border-radius: 8px; padding: 14px; background: #f8fafc; }
.gmc-db-notes h3 { margin: 0 0 7px; font-size: 17px; line-height: 1.3; letter-spacing: 0; }
.gmc-db-notes p { margin: 0; color: #52606d; line-height: 1.55; }
.gmc-category-links div { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.gmc-category-links a { display: inline-flex; align-items: center; min-height: 40px; border: 1px solid #d9e2ec; border-radius: 7px; padding: 0 12px; background: #f8fbfa; color: #0f766e; font-weight: 800; }
.gmc-product-faq h3 { margin: 18px 0 6px; font-size: 18px; line-height: 1.3; letter-spacing: 0; }
.gmc-product-faq p { margin-top: 0; color: #52606d; }
.gmc-finder { margin: 22px 0; }
.gmc-finder-head h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: 0; }
.gmc-finder-head p { margin: 0 0 16px; color: #667085; }
.gmc-finder-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.gmc-finder label { display: grid; gap: 6px; font-weight: 700; font-size: 13px; }
.gmc-input { width: 100%; border: 1px solid #d9e2ec; border-radius: 7px; padding: 11px 12px; font: inherit; background: #fff; }
.gmc-checks { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 16px 0; }
.gmc-checks label { display: flex; align-items: center; gap: 6px; font-weight: 650; color: #52606d; }
.gmc-btn { display: inline-flex; min-height: 42px; align-items: center; justify-content: center; border: 0; border-radius: 7px; padding: 0 16px; background: #0f766e; color: #fff; font-weight: 800; cursor: pointer; }
.gmc-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 16px 0; }
.gmc-result { border: 1px solid #d9e2ec; border-radius: 7px; padding: 14px; background: #f8fbfa; }
.gmc-result h3 { margin: 0 0 8px; font-size: 17px; letter-spacing: 0; }
.gmc-pick { border: 1px solid #0f766e; background: #fff; color: #0f766e; border-radius: 7px; padding: 8px 10px; font-weight: 750; cursor: pointer; }
.gmc-inquiry { margin-top: 16px; border-top: 1px solid #d9e2ec; padding-top: 16px; }
.gmc-form-message { margin-top: 10px; color: #0f766e; font-weight: 700; }
.gmc-finder.is-compact .gmc-finder-grid, .gmc-finder.is-compact .gmc-results { grid-template-columns: 1fr; }
@media (max-width: 900px) {
  .gmc-product-grid, .gmc-product-layout, .gmc-finder-grid, .gmc-results { grid-template-columns: 1fr; }
  .gmc-db-notes { grid-template-columns: 1fr; }
  .gmc-product-gallery { grid-template-columns: repeat(2, 1fr); }
  .gmc-product-side { position: static; }
}

/* v1.4 product/category content system */
.gmc-eyebrow{display:inline-block;margin-bottom:8px;color:#0f766e;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.gmc-category-guide{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0 30px}
.gmc-category-guide>div{border:1px solid #d9e2ec;border-radius:8px;padding:18px;background:#f8fbfa}
.gmc-category-guide h2{margin:0 0 8px;font-size:19px;line-height:1.3}
.gmc-category-guide p{margin:0;color:#52606d;line-height:1.65}
.gmc-selection-block>h2{font-size:28px;margin-bottom:8px}
.gmc-selection-block>p{max-width:820px;color:#667085;margin-top:0}
.gmc-product-card h3{font-size:19px;line-height:1.25;margin:14px 0 10px}
.gmc-longform .gmc-copy-section{border-top:1px solid #e3e8ef;padding-top:24px;margin-top:28px}
.gmc-longform .gmc-copy-section:first-child{border-top:0;padding-top:0}
.gmc-longform .gmc-copy-section h2{font-size:28px;line-height:1.25;margin:0 0 12px}
.gmc-longform .gmc-copy-section h3{font-size:19px;line-height:1.35;margin:18px 0 7px}
.gmc-longform .gmc-copy-section p,.gmc-longform .gmc-copy-section li{line-height:1.75;color:#3f4b59}
.gmc-clean-list{padding-left:20px}
.gmc-table-scroll{overflow-x:auto}
.gmc-quick-specs{margin:24px 0}
.gmc-quick-specs h2{font-size:24px;margin-bottom:12px}
.gmc-spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.gmc-spec-grid>div{border:1px solid #d9e2ec;border-radius:7px;padding:12px;background:#f8fbfa}
.gmc-spec-grid span{display:block;color:#667085;font-size:12px;margin-bottom:3px}
.gmc-spec-grid strong{font-size:14px}
.gmc-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:16px;font-size:13px;color:#667085}
.gmc-breadcrumbs a{color:#0f766e;font-weight:750}
.gmc-link-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.gmc-link-cards a{display:block;border:1px solid #d9e2ec;border-radius:8px;padding:14px;background:#f8fbfa}
.gmc-link-cards strong,.gmc-link-cards span{display:block}.gmc-link-cards strong{color:#0f766e}.gmc-link-cards span{color:#667085;margin-top:5px;font-size:13px;line-height:1.5}
.gmc-product-faq details{border-top:1px solid #e3e8ef;padding:13px 0}.gmc-product-faq summary{cursor:pointer;font-weight:800}.gmc-product-faq details p{margin:8px 0 0;color:#52606d;line-height:1.65}
.gmc-btn-block{width:100%}
@media(max-width:900px){.gmc-category-guide,.gmc-spec-grid,.gmc-link-cards{grid-template-columns:1fr}}
.gmc-trust-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.gmc-trust-strip span{display:inline-flex;align-items:center;min-height:34px;padding:0 10px;border:1px solid #cfe4df;border-radius:999px;background:#f1faf8;color:#0f766e;font-size:12px;font-weight:800}
.gmc-rfq-note{margin:14px 0;color:#243b53;line-height:1.65;font-size:14px}

/* v1.4.3 model-slot image layout */
.gmc-construction-visual{margin:16px 0 20px;border:1px solid #d9e2ec;border-radius:8px;overflow:hidden;background:#f8fbfa}
.gmc-construction-visual img{display:block;width:100%;height:auto;object-fit:contain;background:#fff}
.gmc-construction-caption{margin:0;padding:10px 12px;color:#667085;font-size:13px;line-height:1.55}