.tb135-hero{background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff}.tb135-intro{margin-top:24px}.tb135-hub-grid,.tb135-guidance-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.tb135-hub-card,.tb135-guidance-grid article,.tb135-converter-card,.tb135-result-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.08)}.tb135-hub-card span,.tb135-eyebrow{display:inline-block;font-size:.78rem;font-weight:700;text-transform:uppercase;color:#1d4ed8;margin-bottom:8px}.tb135-hub-card h3{margin:.2rem 0 .5rem}.tb135-hub-card a{text-decoration:none}.tb135-tool-shell{max-width:1120px;margin:24px auto;padding:0 18px}.tb135-tool-grid{display:grid;grid-template-columns:minmax(260px,1fr) minmax(260px,1fr);gap:20px}.tb135-converter-card label{display:block;font-weight:700;margin:10px 0 6px}.tb135-converter-card input{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:12px}.tb135-converter-card button{margin-top:14px;padding:12px 18px;border:0;border-radius:999px;background:#1d4ed8;color:#fff;font-weight:700;cursor:pointer}.tb135-unit-row{display:flex;justify-content:space-between;gap:12px;margin-top:12px;padding:12px;border-radius:12px;background:#f8fafc}.tb135-result-card h2{font-size:2rem;margin:.3rem 0}.tb135-guidance-grid{margin-top:20px}@media(max-width:760px){.tb135-tool-grid{grid-template-columns:1fr}.tb135-result-card h2{font-size:1.5rem}}