.premium-lab{margin:32px 0;padding:26px;background:#fff;border:1px solid #ccc;border-top:3px solid var(--accent);border-radius:4px;color:#151515}.premium-lab h3{font-size:25px!important;line-height:1.2;margin:6px 0 17px!important}.premium-lab p{font-size:15px;line-height:1.7}.premium-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 25px;margin:24px 0}.premium-control{display:block;min-width:0;font-size:13px;font-weight:600}.premium-control>span{display:flex;justify-content:space-between;gap:12px}.premium-control output{color:var(--accent);white-space:nowrap;font-variant-numeric:tabular-nums}.premium-control input{width:100%;min-height:38px;margin-top:8px;accent-color:var(--accent)}.premium-result{display:flex;flex-wrap:wrap;gap:16px 28px;background:#f4f4f4;padding:18px;font-size:11px;line-height:1.5}.premium-result strong{display:block;font-size:19px;font-weight:700;letter-spacing:-.03em}.premium-plots figure{margin:23px 0}.premium-plots h4{font-size:14px;font-weight:650;line-height:1.4;margin:0 0 7px}.premium-plots svg{display:block;width:100%;height:248px}.premium-plots svg text{font:11px system-ui,sans-serif;fill:#444}.premium-plots figcaption{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;margin:7px 0}.premium-plots figcaption span:before{content:"";display:inline-block;width:19px;height:3px;background:var(--series);margin-right:5px;vertical-align:middle}.premium-plots figcaption span.dash:before{height:0;background:none;border-top:2px dashed var(--series)}.premium-model{font-size:12px!important;color:#5c5c5c;border-top:1px solid #ddd;padding-top:14px;margin-bottom:0!important}.premium-note{font-size:13px!important;color:var(--accent);margin:15px 0!important}.premium-note:empty{display:none}.premium-extension{margin:45px 0;border-top:1px solid #ccc;padding-top:28px}.premium-extension details{padding:16px 0;border-top:1px solid #ccc;border-bottom:1px solid #ccc;margin:24px 0}.premium-extension summary{cursor:pointer;font-size:15px;font-weight:650}.premium-extension details p{font-size:15px;margin:20px 0 0}.premium-workshop{background:#151515;color:#fff;padding:25px;margin-top:26px}.premium-workshop h3{color:#fff}.premium-workshop p{color:#e1e1e1;font-size:16px;margin-bottom:0}.premium-bridge{padding:22px;background:#eee;border-left:3px solid var(--accent);margin:28px 0}.premium-bridge h2,.premium-bridge h3{font-size:24px!important;margin:0 0 10px!important}.premium-bridge p{font-size:15px}.premium-related{display:flex;gap:10px 20px;flex-wrap:wrap;font-size:14px;margin:25px 0}.premium-related a{color:var(--accent)}.learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:25px 0 50px}.learning-card{background:#fff;border:1px solid #d3d3d3;padding:24px;text-decoration:none;display:flex;flex-direction:column;gap:15px;min-height:220px;border-radius:4px}.learning-card:hover{border-color:var(--accent);box-shadow:0 3px 0 var(--accent)}.learning-card strong{font-size:24px;line-height:1.15;letter-spacing:-.03em}.learning-card p{font-size:14px;line-height:1.6;color:#555;margin:0}.learning-card .eyebrow{margin-top:auto}.learning-group{padding-top:30px}.learning-group h2{font-size:35px;letter-spacing:-.04em;line-height:1.2}.learning-intro{max-width:750px;margin:55px 0 35px}.learning-intro h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.05em;line-height:1.05}.learning-intro p{font-size:20px;color:#555}.premium-art{background:#e9e9e9;padding:25px;border-radius:4px}.premium-art svg{width:100%;height:auto;display:block}.premium-art p{font-size:12px;color:#555}.learning-formula{white-space:pre-line;font:15px/1.9 ui-monospace,monospace;padding:20px;background:#e9e9e9;overflow-wrap:anywhere}.learning-mark{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent);font-family:ui-monospace,monospace}.learning-nav{display:flex;justify-content:space-between;gap:25px;flex-wrap:wrap;border-block:1px solid #ccc;padding:18px 0;margin:35px 0;font-size:14px}.learning-nav a{color:var(--accent)}.premium-hero-caption{font-size:12px;color:#555}.site-learning-banner{margin:35px auto;padding:25px;border-left:3px solid var(--accent);background:#eee;max-width:1180px}.site-learning-banner h2{font-size:28px}.site-learning-banner p{font-size:16px}.site-learning-banner a{color:var(--accent)}@media(max-width:850px){.learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.premium-lab{padding:15px}.premium-controls{grid-template-columns:1fr}.learning-grid{grid-template-columns:1fr}.learning-card{min-height:180px}.premium-result{gap:12px 20px;padding:14px}.premium-art{padding:15px}.learning-intro{margin-top:30px}.learning-group h2{font-size:29px}.premium-workshop{padding:20px}}