.tb133-hero{background:linear-gradient(135deg,#101827,#1f3550);color:#fff}.tb133-hero a{color:#fff}.tb133-intro{margin-top:2rem}.tb133-hub-grid,.tb133-guidance-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:2rem auto}.tb133-hub-card,.tb133-guidance-grid article,.tb133-converter-card,.tb133-result-card{border:1px solid #d9e2ec;border-radius:18px;padding:1.15rem;background:#fff;box-shadow:0 10px 24px rgba(15,23,42,.06)}.tb133-hub-card span,.tb133-eyebrow{display:inline-block;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:#475569;font-weight:700}.tb133-hub-card h3{margin:.45rem 0}.tb133-tool-shell{max-width:1100px;margin:2rem auto;padding:0 1rem}.tb133-tool-grid{display:grid;grid-template-columns:minmax(260px,1fr) minmax(260px,1fr);gap:1.25rem}.tb133-converter-card label{display:block;font-weight:700;margin-bottom:.45rem}.tb133-converter-card input{width:100%;padding:.85rem;border:1px solid #cbd5e1;border-radius:12px;font-size:1rem}.tb133-converter-card button{margin-top:1rem;border:0;border-radius:999px;padding:.85rem 1.2rem;background:#0f172a;color:#fff;font-weight:700;cursor:pointer}.tb133-unit-row{display:flex;justify-content:space-between;gap:1rem;margin-top:1rem;background:#f8fafc;border-radius:12px;padding:.8rem}.tb133-result-card h2{font-size:2rem;margin:.5rem 0}.tb133-result-card small{color:#475569}@media(max-width:760px){.tb133-tool-grid{grid-template-columns:1fr}.tb133-result-card h2{font-size:1.55rem}}