.r90-expert-area{max-width:1120px;margin:0 auto;min-width:0;color:var(--ink,#17313f)}
.r90-expert-area .page-header h1{color:#092e48;font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.15;max-width:760px}
.r90-expert-area .page-header p{max-width:760px;line-height:1.6}
.r90-expert-kicker{font-size:.75rem;letter-spacing:.12em;font-weight:700;color:#092e48;margin-bottom:10px}
.r90-expert-area section{margin-top:24px}
.r90-expert-area h2{font-size:1.2rem;color:#092e48}
.r90-expert-area h3{font-size:1.05rem;color:#092e48}
.r90-expert-notice{border-left:4px solid #dbAA04;background:#fffdf4}
.r90-expert-status{display:inline-block;border:1px solid #e3d5a5;background:#fff7dd;color:#67521c;padding:5px 9px;border-radius:6px;font-size:.8rem;font-weight:600;line-height:1.4}
.r90-expert-profiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.r90-expert-profile{margin:0;min-width:0}
.r90-expert-profile h3{font-size:1.3rem;margin:0 0 12px}
.r90-expert-area dt{font-weight:650;margin-top:16px}
.r90-expert-area dd{margin:5px 0 0;color:#536875;overflow-wrap:anywhere}
.r90-expert-area p,.r90-expert-area li{line-height:1.6;overflow-wrap:anywhere}
.r90-expert-boundary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.r90-expert-version{font-size:.78rem;color:#536875;margin-top:18px}
.r90-expert-guidance{margin-bottom:14px}
.r90-expert-guidance>summary{cursor:pointer;padding:8px 0;color:#092e48}
.r90-expert-guidance>summary span{display:block;font-size:.85rem;color:#536875;margin:8px 0 0 18px}
.r90-expert-area summary:focus-visible,.r90-expert-area button:focus-visible{outline:3px solid #419de0;outline-offset:3px}
.r90-expert-advisory{font-weight:700;color:#092e48}
.r90-expert-source{padding:12px 0;border-top:1px solid #d7e1e6}
.r90-expert-source code{display:block;overflow-wrap:anywhere;white-space:normal;font-size:.8rem;margin-top:10px}
.r90-expert-error{border-left:4px solid #a33b34;background:#fff8f7}
.r90-expert-error button{min-height:44px}
@media(max-width:760px){
  .r90-expert-profiles,.r90-expert-boundary-grid{grid-template-columns:minmax(0,1fr);gap:14px}
  .r90-expert-area .card{padding:18px}
  .r90-expert-area .page-header{display:block}
  .r90-expert-area .page-header h1{font-size:1.7rem}
}