.coolantResearch .guide-hero h1{font-size:5rem;max-width:13ch}.coolantResearch .coolant-hero-figure{max-width:420px;padding:20px 0;margin:auto}.coolantResearch .nominal-equation{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;text-align:center}.coolantResearch .nominal-equation strong{display:block;font:500 4.5rem/1.15 var(--heading);white-space:nowrap}.coolantResearch .nominal-equation div>span{font-size:13px;color:var(--muted)}.coolantResearch .nominal-equation>span{font-size:28px;color:var(--muted)}.coolantResearch .nominal-parts{display:grid;grid-template-columns:1fr 1fr;gap:6px;height:48px;margin:28px 0}.coolantResearch .nominal-parts span:first-child{background:var(--ink);border-radius:3px}.coolantResearch .nominal-parts span:last-child{background:#87a8a0;border-radius:3px}.coolantResearch .coolant-hero-figure figcaption>strong{font:500 1.9rem/1.15 var(--heading)}.coolantResearch .coolant-hero-figure figcaption p{font-size:15px;line-height:1.7;margin:14px 0}.coolantResearch .coolant-hero-figure figcaption small{display:block;color:var(--muted);font-size:12px;line-height:1.7}.coolantResearch .quantity-controls{display:flex;align-items:end;gap:25px;flex-wrap:wrap;margin-top:25px}.coolantResearch .quantity-controls label>span{display:block;font-size:13px;margin-bottom:8px}.coolantResearch .quantity-controls select{min-height:44px;border:1px solid #839084;border-radius:6px;background:var(--surface);padding:8px 18px}.coolantResearch .quantity-results{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:28px 0}.coolantResearch .quantity-results>div+div{border-left:1px solid var(--line);padding-left:26px}.coolantResearch .quantity-results h4{font-size:14px;font-weight:500;margin:0 0 15px;color:var(--muted)}.coolantResearch .quantity-results strong{display:block;font:500 3.5rem/1.2 var(--heading)}.coolantResearch .quantity-results strong small{display:block;font:400 14px/1.6 var(--body);margin-top:7px}.coolantResearch .quantity-results p{font-size:14px;margin-top:15px}.coolantResearch .record-caveat{margin-top:16px;color:var(--muted)}.coolantResearch .coolant-source-links{margin-top:20px}.coolantResearch .coolant-source-links p{margin-top:12px}.coolantResearch .coolant-source-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline;font-size:14px}.coolantResearch .source-edition{display:block;font-size:12px;color:var(--muted)}.coolantResearch .study-overview .chart-key{grid-template-columns:1fr}.coolantResearch .guide-article>section>p a{text-decoration:underline}@media (max-width:1100px){.coolantResearch .guide-hero h1{font-size:4rem}}@media (max-width:600px){.coolantResearch .guide-hero h1{font-size:3.65rem}.coolantResearch .coolant-hero-figure{max-width:340px;margin-top:28px}.coolantResearch .nominal-equation strong{font-size:3.5rem}.coolantResearch .quantity-results{grid-template-columns:1fr;gap:24px}.coolantResearch .quantity-results>div+div{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.coolantResearch .quantity-controls{gap:20px}.coolantResearch .quantity-controls select{font-size:16px}.coolantResearch .quantity-results strong{font-size:3rem}}@media (max-width:360px){.coolantResearch .guide-hero h1{font-size:3.1rem}}