:root{--ink:#25221d;--muted:#635d52;--line:#ddd2c2;--paper:#fffdfa;--soft:#f4efe6;--green:#5e7251;--blue:#1f5c82;--coral:#b9584b;--gold:#b48732}
    html,body{margin:0;padding:0;background:#f5f2ec;color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.65}
    *{box-sizing:border-box}
    a{color:var(--blue);text-underline-offset:3px}
    img{max-width:100%;display:block}
    .rf-article{max-width:1120px;margin:0 auto;background:var(--paper);padding:34px 48px 70px}
    .rf-kicker{margin:0 0 8px;text-transform:uppercase;color:var(--green);font-size:12px;font-weight:700}
    h1,.rf-main-title{font-size:42px;line-height:1.13;margin:0 0 16px;letter-spacing:0;font-weight:800}
    h2{font-size:27px;line-height:1.25;margin:38px 0 12px;letter-spacing:0}
    h3{font-size:19px;line-height:1.28;margin:22px 0 8px}
    p{margin:0 0 14px}
    .rf-lead{font-size:18px;color:#413b32}
    .rf-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,450px);gap:28px;align-items:center;margin:8px 0 30px;padding:24px;border:1px solid var(--line);background:#f3ecd9;border-radius:8px}
    .rf-hero-copy{min-width:0}
    .rf-hero-copy ul{padding-left:20px;margin:14px 0 20px}
    .rf-hero-copy li{margin:8px 0}
    .rf-hero-img{margin:0}
    .rf-hero-img a{display:block;border-radius:8px;overflow:hidden;background:#f7f2e8;border:1px solid var(--line)}
    .rf-hero-img img{width:100%;aspect-ratio:1/1;object-fit:contain}
    .rf-hero-img figcaption,.rf-image figcaption{font-size:14px;color:var(--muted);font-weight:700;background:#fff;padding:10px 12px;border-top:1px solid var(--line)}
    .rf-summary{background:#eef5ea;border-left:4px solid var(--green);padding:15px 18px;border-radius:0 8px 8px 0;margin:20px 0 26px}
    .rf-cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 4px}
    .rf-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 14px;border-radius:6px;background:#244f45;color:#fff;text-decoration:none;font-weight:700}
    .rf-cta.secondary{background:#7f5631}
    .rf-cta.tertiary{background:#315b77}
    .rf-toc{margin:22px 0;background:#efe7da;border:1px solid var(--line);border-radius:8px;padding:16px 18px}
    .rf-toc summary{cursor:pointer;font-size:19px;font-weight:800}
    .rf-toc ol{margin:10px 0 0;padding-left:22px}
    .rf-toc li{margin:6px 0}
    table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:15px}
    th,td{border:1px solid var(--line);padding:11px;text-align:left;vertical-align:top}
    th{background:#e7decd}
    .rf-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:16px 0 26px}
    .rf-box{border:1px solid var(--line);background:#fff;border-radius:8px;padding:15px}
    .rf-box strong{display:block;margin-bottom:5px;color:#312b22}
    .rf-note{background:#fff7e6;border-left:4px solid var(--gold);padding:14px 17px;border-radius:0 8px 8px 0;margin:18px 0}
    .rf-image{margin:24px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f7f2e8}
    .rf-image a{display:block;background:#f7f2e8}
    .rf-image img{width:100%;max-height:560px;object-fit:contain}
    .rf-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 26px}
    .rf-check{border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px}
    .rf-check b{color:var(--coral)}
    .rf-final{background:#eef3f5;border:1px solid #c9d7dd;border-radius:8px;padding:20px;margin:28px 0}
    .rf-faq,.rf-sources{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px;margin:28px 0}
    .rf-faq h3{border-top:1px solid var(--line);padding-top:16px}
    .rf-faq h3:first-of-type{border-top:0;padding-top:0}
    .rf-author{display:grid;grid-template-columns:82px minmax(0,1fr);gap:16px;border-top:1px solid var(--line);padding-top:22px;margin-top:30px}
    .rf-author img{width:82px;height:82px;object-fit:cover;border-radius:8px}
    .rf-source-link{color:var(--blue);font-weight:700}
    .rf-footnote-ref,.rf-footnote-ref:visited,.rf-footnote-backref,.rf-footnote-backref:visited{color:#109d45;font-weight:800;text-decoration:underline}
    .rf-sources ol{padding-left:24px}
    .rf-sources li{margin:10px 0}
    .rf-sources p{color:var(--ink)}
    @media(max-width:820px){
      .rf-article{padding:22px 15px 54px}
      h1,.rf-main-title{font-size:30px}
      h2{font-size:23px}
      .rf-hero{grid-template-columns:1fr;padding:16px;gap:18px}
      .rf-grid,.rf-checklist{grid-template-columns:1fr}
      table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
      th,td{min-width:150px}
      .rf-cta{width:100%}
    }