/* RLB V80.2 — knowledge hub and guide discovery */
.rlb-knowledge-hub{padding:64px 0;background:linear-gradient(180deg,#f7faff 0%,#fff 100%)}
.rlb-knowledge-hub .section-header{max-width:900px;margin:0 auto 30px;text-align:center}
.rlb-knowledge-hub .section-header p{max-width:760px;margin:10px auto 0;color:#53627a;line-height:1.8}
.rlb-knowledge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.rlb-knowledge-card{display:flex;flex-direction:column;min-height:205px;padding:24px;border:1px solid #dce7f7;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(0,48,120,.07)}
.rlb-knowledge-card h3{margin:0 0 10px;color:#063c9b;font-size:1.14rem}
.rlb-knowledge-card p{margin:0 0 18px;color:#53627a;line-height:1.75;flex:1}
.rlb-knowledge-card a{font-weight:800;color:#063c9b;text-decoration:none}
.rlb-knowledge-card a:hover,.rlb-knowledge-card a:focus{text-decoration:underline}
.guide-faq{margin-top:38px}
.guide-faq details{background:#fff;border:1px solid #dce7f7;border-radius:12px;margin:10px 0;padding:0 18px}
.guide-faq summary{cursor:pointer;font-weight:800;color:#063c9b;padding:17px 0}
.guide-faq p{margin:0;padding:0 0 18px;line-height:1.85;color:#4d5c72}
.guide-review-note{font-size:.9rem;color:#66758b;margin-top:14px}
@media(max-width:700px){.rlb-knowledge-hub{padding:44px 0}.rlb-knowledge-card{min-height:0}}