body,html{padding:0;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#fff;color:#333}.container{max-width:1200px;margin:0 auto;padding:2rem}a{color:#1e90ff;text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin-bottom:1.5rem;text-align:center}p{margin:.5rem 0}.rt-container{max-width:900px;margin:60px auto;padding:20px;text-align:center}.rt-title{font-size:2rem;margin-bottom:40px;color:#222}.rt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:24px;gap:24px}.rt-card{background:#fff;border-radius:16px;padding:28px 22px;text-decoration:none;color:inherit;box-shadow:0 8px 22px rgba(0,0,0,.08);transition:transform .2s ease,box-shadow .2s ease;text-align:left;display:block}.rt-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,.14)}.rt-cardTitle{font-size:1.25rem;font-weight:700;margin-bottom:10px;color:#1e3a8a}.rt-cardDesc{font-size:.95rem;color:#555;line-height:1.4}