/* Seawater-cooling sample only. Approved overview and shared theme stay unchanged. */
.zr-cooling .zr-cooling-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:end;padding:16px 0 28px}
.zr-cooling .zr-cooling-intro h1{font-size:clamp(30px,3.2vw,44px);line-height:1.15;margin:12px 0 0;max-width:580px}
.zr-cooling .zr-cooling-intro>p{font-size:16px;line-height:1.7;margin:0;color:var(--muted)}
.zr-cooling .zr-system-photo{height:290px}
.zr-cooling .zr-system-photo>div{inset:38px auto auto 32px;width:46%}
.zr-cooling .zr-system-photo h2{font-size:34px;line-height:1.2;color:#fff;margin:12px 0}
.zr-cooling .zr-system-flow{gap:24px;padding-top:20px}
.zr-cooling .zr-system-node>img{aspect-ratio:2.5;object-fit:contain}
.zr-cooling .zr-image-note{margin-bottom:34px}
.zr-cooling .zr-review-heading{margin:8px 0 24px}
.zr-cooling .zr-review-heading>p{max-width:43ch}
.zr-cooling .zr-equipment-tabs{scroll-margin-top:112px}
.zr-cooling .zr-equipment-layout{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:start;border:0;gap:28px}
.zr-cooling .zr-equipment-visual{position:sticky;top:112px;background:transparent}
.zr-cooling .zr-hotspot-stage{background:#eeeae4;border:1px solid var(--line)}
.zr-cooling .zr-part-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:14px 0 0;gap:10px;border:0}
.zr-cooling .zr-part-picker button{display:flex;flex-direction:column;align-items:stretch;padding:0;gap:0;overflow:hidden;min-width:0;border:1px solid var(--line);font-size:12px}
.zr-cooling .zr-part-picker button>img{display:block;width:100%;aspect-ratio:1.6;height:auto;object-fit:contain;background:#eeece8}
.zr-cooling .zr-picker-copy{display:block;padding:10px}
.zr-cooling .zr-picker-copy>span{display:block;font-size:10px;letter-spacing:.08em;margin-bottom:5px;color:#a4484d}
.zr-cooling .zr-picker-copy strong{font-size:12px;line-height:1.4;display:block;font-weight:600;color:var(--ink)}
.zr-cooling .zr-picker-copy small{display:block;font-size:10px;margin-top:8px;font-weight:400;color:var(--muted)}
.zr-cooling .zr-equipment-caption{font-size:11px;line-height:1.5;color:var(--muted);margin:12px 0 0}
.zr-cooling .zr-selected-part{border:1px solid var(--line);padding:24px;min-height:0}
.zr-cooling .zr-part-heading{display:grid;grid-template-columns:142px minmax(0,1fr);gap:20px;align-items:center}
.zr-cooling .zr-part-heading figure{margin:0}
.zr-cooling .zr-part-thumbnail{display:block;width:142px;height:142px;object-fit:contain;background:#eeece8}
.zr-cooling .zr-part-heading figcaption{font-size:10px;color:var(--muted);margin-top:5px;text-align:center}
.zr-cooling .zr-part-heading h3{font-size:23px;line-height:1.25;margin:8px 0 10px}
.zr-cooling .zr-part-location{font-size:12px;line-height:1.5;margin:0}
.zr-cooling .zr-part-purpose{margin:20px 0;line-height:1.65}
.zr-cooling .zr-selected-part h4{font-size:15px;line-height:1.4;margin:0 0 14px;font-weight:650;letter-spacing:0;text-transform:none}
.zr-cooling .zr-material-options{border-top:1px solid var(--line);padding-top:20px}
.zr-cooling .zr-material-option{padding:0 0 12px}
.zr-cooling .zr-material-option strong{display:block;font-size:13px;font-weight:700;line-height:1.6;color:var(--ink)}
.zr-cooling .zr-material-option>span{font-size:12px;display:block;color:#895d36;margin-top:2px}
.zr-cooling .zr-material-option p{font-size:13px;line-height:1.65;margin:6px 0 0}
.zr-cooling .zr-material-condition{font-size:11px;line-height:1.55;background:#f6f3ef;padding:10px 12px;margin:0 0 22px}
.zr-cooling .zr-rfq-spec dl{margin:0}
.zr-cooling .zr-rfq-spec dl>div{border-top:1px solid var(--line);padding:10px 0;display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px}
.zr-cooling .zr-rfq-spec dt{font-size:12px;line-height:1.5;margin:0}
.zr-cooling .zr-rfq-spec dd{font-size:13px;line-height:1.6;margin:0}
.zr-cooling .zr-custom-alloy{font-size:13px;line-height:1.6;margin:18px 0}
.zr-cooling .zr-selected-part .zr-marine-button{display:inline-flex;gap:24px;min-height:46px;align-items:center}
.zr-cooling .zr-cooling-resources{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}
.zr-cooling .zr-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.zr-cooling .zr-resource-card{border:1px solid var(--line);padding:28px;display:flex;flex-direction:column;align-items:start;min-width:0}
.zr-cooling .zr-resource-label{font-size:12px;font-weight:650;color:#a4484d;margin-bottom:18px}
.zr-cooling .zr-resource-card h3{font-size:21px;line-height:1.4;margin:0 0 16px}
.zr-cooling .zr-resource-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 22px}
.zr-cooling .zr-resource-card .zr-draft-label{font-size:11px;background:#f6f3ef;padding:6px 10px;margin-bottom:12px}
.zr-cooling .zr-resource-link{display:flex;justify-content:space-between;align-items:center;width:100%;gap:20px;font-size:13px;font-weight:650;text-decoration:none;min-height:44px;border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.zr-cooling .zr-resource-link:hover{text-decoration:underline;text-underline-offset:4px}
.zr-cooling .zr-review-custom{margin-top:48px;grid-template-columns:minmax(0,1fr) auto}
@media(max-width:1024px){
 .zr-cooling .zr-cooling-intro{gap:28px}.zr-cooling .zr-equipment-layout{grid-template-columns:1fr;gap:24px}
 .zr-cooling .zr-equipment-visual{position:static}.zr-cooling .zr-hotspot-stage{max-width:700px;margin:0 auto}
 .zr-cooling .zr-part-picker{grid-template-columns:repeat(3,minmax(0,1fr))}.zr-cooling .zr-part-picker button{flex-direction:row;align-items:center}
 .zr-cooling .zr-part-picker button>img{width:76px;height:86px;flex-shrink:0}.zr-cooling .zr-picker-copy{padding:10px}
 .zr-cooling .zr-rfq-spec dl>div{grid-template-columns:140px 1fr}.zr-cooling .zr-resource-card{padding:22px}
 .zr-cooling .zr-review-custom{grid-template-columns:1fr}.zr-cooling .zr-review-custom>a{justify-self:start}
}
@media(max-width:650px){
 .zr-cooling .zr-cooling-intro{grid-template-columns:1fr;gap:16px;padding-top:8px}.zr-cooling .zr-cooling-intro h1{font-size:32px}.zr-cooling .zr-cooling-intro>p{font-size:14px}
 .zr-cooling .zr-system-photo{height:220px}.zr-cooling .zr-system-photo>div{inset:24px 20px auto;width:calc(100% - 40px)}.zr-cooling .zr-system-photo h2{font-size:28px}
 .zr-cooling .zr-system-flow{gap:0;padding-top:8px}.zr-cooling .zr-system-node>img{aspect-ratio:1.4}
 .zr-cooling .zr-review-heading h2{font-size:25px}.zr-cooling .zr-equipment-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}
 .zr-cooling .zr-equipment-tabs button:first-child{grid-column:auto}.zr-cooling .zr-equipment-tabs button{font-size:13px}
 .zr-cooling .zr-part-picker{grid-template-columns:1fr;gap:8px}.zr-cooling .zr-part-picker button>img{width:88px;height:80px}
 .zr-cooling .zr-picker-copy{padding:9px 14px;flex:1}.zr-cooling .zr-picker-copy>span{display:inline-block;margin:0 8px 0 0}.zr-cooling .zr-picker-copy strong{display:inline;font-size:13px}.zr-cooling .zr-picker-copy small{margin-top:6px;font-size:11px}
 .zr-cooling .zr-selected-part{padding:20px}.zr-cooling .zr-part-heading{grid-template-columns:108px minmax(0,1fr);gap:14px}.zr-cooling .zr-part-thumbnail{width:108px;height:108px}
 .zr-cooling .zr-part-heading h3{font-size:20px}.zr-cooling .zr-part-heading .zr-step{font-size:9px}.zr-cooling .zr-part-location{font-size:11px}
 .zr-cooling .zr-rfq-spec dl>div{grid-template-columns:1fr;gap:5px;padding:12px 0}.zr-cooling .zr-rfq-spec dd{font-size:13px}
 .zr-cooling .zr-material-option p,.zr-cooling .zr-custom-alloy{font-size:13px}.zr-cooling .zr-cooling-resources{margin-top:38px;padding-top:18px}
 .zr-cooling .zr-resource-grid{grid-template-columns:1fr;gap:18px}.zr-cooling .zr-resource-card{padding:22px}.zr-cooling .zr-resource-card h3{font-size:20px}
 .zr-cooling .zr-review-custom{margin-top:32px}.zr-cooling .zr-review-custom .zr-marine-button{width:auto}
}