.mabni-classroom-intro{margin:34px 0;padding:32px;border:1px solid #c9dfe3;border-radius:18px;background:#fff;color:#233c49}.mabni-classroom-kicker{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:0 0 15px;font-size:12px;font-weight:800;letter-spacing:.07em;color:#087f88}.mabni-classroom-kicker span{font-size:12px;font-weight:650;letter-spacing:0;color:#67528e;background:#f0edf8;padding:6px 10px;border-radius:6px}.mabni-classroom-intro h2{margin:0 0 15px;font-size:clamp(28px,3.5vw,42px);line-height:1.15;letter-spacing:-1.1px;font-style:normal}.mabni-classroom-lead{max-width:800px;margin:0;font-size:17px;line-height:1.7;color:#536b77}.mabni-classroom-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin:24px 0;padding:23px 0;border-top:1px solid #e0e7ec;border-bottom:1px solid #e0e7ec}.mabni-classroom-points h3{font-size:16px;margin:0 0 8px}.mabni-classroom-points p{font-size:14px;line-height:1.6;color:#536b77;margin:0}.mabni-classroom-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.mabni-classroom-actions a{font-size:14px;font-weight:750;color:#087f88;text-underline-offset:4px}.mabni-classroom-actions .mabni-classroom-primary{display:inline-flex;align-items:center;gap:15px;background:#087f88;color:#fff;border-radius:8px;padding:13px 18px;text-decoration:none;line-height:1.5}.mabni-classroom-note{max-width:900px;font-size:13px;line-height:1.7;color:#627580;margin:20px 0 0}.mabni-classroom-primary:focus-visible,.mabni-classroom-nav:focus-visible{outline:3px solid #7865b1;outline-offset:4px}.mabni-classroom-nav{white-space:nowrap}.mabni-existing-tools{margin-top:25px;padding-top:15px;border-top:1px solid #e0e7ec}.mabni-existing-tools summary{cursor:pointer;font-weight:750;color:#087f88;line-height:1.6}.mabni-existing-tools h3{font-size:17px;margin-top:25px}.home-top nav{flex-wrap:wrap}@media(max-width:700px){.mabni-classroom-intro{padding:23px 20px;margin:25px 0}.mabni-classroom-points{grid-template-columns:1fr;gap:20px}.mabni-classroom-actions{align-items:stretch;gap:15px}.mabni-classroom-actions .mabni-classroom-primary{justify-content:center;width:100%}.mabni-classroom-note{font-size:13px}.mabni-classroom-lead{font-size:16px}}