.publisher-lab{box-sizing:border-box;grid-column:1/-1;width:100%;max-width:1180px;margin:30px auto;padding:clamp(20px,4vw,40px);border:1px solid #cadbd7;border-radius:24px;background:#f4faf7;color:#142e29;text-align:start;box-shadow:0 12px 30px #16392f08;font-family:system-ui,Arial,sans-serif;line-height:1.75}.publisher-lab *{box-sizing:border-box}.publisher-lab .pl-label{font-size:.8rem;font-weight:800;letter-spacing:.04em;color:#386153}.publisher-lab h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.3;color:#123c31;margin:8px 0 14px}.publisher-lab h3{font-size:1.05rem;color:#173e33;margin:0 0 12px}.publisher-lab p{color:#23483d;font-size:1rem;line-height:1.8;max-width:80ch;margin:10px 0 18px}.publisher-lab .pl-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:24px}.publisher-lab .pl-challenge{background:#fff;border:1px solid #c6d9d2;border-radius:16px;padding:22px}.publisher-lab details{background:#eef7f2;border:1px solid #bdd5c9;border-radius:12px;margin-top:18px;overflow:hidden}.publisher-lab summary{padding:14px 16px;cursor:pointer;font-weight:750;color:#164d3d;min-height:48px;list-style:revert}.publisher-lab details p{padding:0 16px 16px;margin:0}.publisher-lab ol{padding-inline-start:1.4rem;margin:0}.publisher-lab li{color:#23483d;margin:0 0 10px;line-height:1.75}.publisher-lab .pl-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.publisher-lab a{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;color:#124e3c;background:#fff;border:1px solid #bed3ca;border-radius:9px;text-decoration:underline;text-underline-offset:3px;font-weight:650}.publisher-lab :is(a,summary):focus-visible{outline:3px solid #855000;outline-offset:4px}.publisher-lab .pl-note{font-size:.94rem;border-inline-start:3px solid #81ad99;padding-inline-start:15px;margin-top:22px}.publisher-status{padding:18px;border:1px solid #b7c9c2;border-radius:12px;background:#f4faf7;color:#153a30;margin:24px auto;max-width:100%;line-height:1.7}.publisher-status h2,.publisher-status p{color:inherit}.publisher-status a{color:#164c3b;text-decoration:underline}@media(max-width:700px){.publisher-lab .pl-grid{grid-template-columns:1fr}.publisher-lab{border-radius:18px;margin:20px auto}.publisher-lab .pl-challenge{padding:16px}.publisher-lab a{width:100%}}@media(prefers-reduced-motion:reduce){.publisher-lab *{scroll-behavior:auto!important;transition:none!important}}@media print{.publisher-lab{box-shadow:none;border:1px solid #999;break-inside:avoid}.publisher-lab .pl-grid{display:block}.publisher-lab details>p{display:block!important}.publisher-lab .pl-links{display:none}}
#practice-and-explanation.publisher-lab{scroll-margin-top:140px}