/* ========= Design system — change these brand tokens first ========= */
    :root {
      --ink: #142331;
      --muted: #526578;
      --subtle: #718295;
      --brand: #1d5c7a;
      --brand-strong: #164560;
      --brand-soft: #eaf3f7;
      --paper: #ffffff;
      --canvas: #f7f9fa;
      --line: #dce5ea;
      --amber: #f2cf83;
      --amber-soft: #fffaec;
      --serif: "Source Serif 4", Georgia, serif;
      --sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --radius: 14px;
    }
    
.cs99-blog, .cs99-blog *, .cs99-blog *::before, .cs99-blog *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
.cs99-blog { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; -webkit-font-smoothing: antialiased; }
.cs99-blog a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.cs99-blog a:hover { color: var(--brand-strong); }
.cs99-blog img { display: block; max-width: 100%; height: auto; }
.cs99-blog button { font-family: inherit; }
.cs99-blog :focus-visible { outline: 3px solid #4ca4c6; outline-offset: 4px; }
.cs99-progress { position: fixed; inset: 0 0 auto; z-index: 99999; height: 4px; background: var(--brand); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.cs99-blog .cs99-shell { max-width: 1170px; margin: 0 auto; padding: 47px 26px 0; display: grid; grid-template-columns: 218px minmax(0, 752px); gap: clamp(34px, 5vw, 78px); justify-content: center; align-items: start; }
    .cs99-blog .cs99-rail { position: sticky; top: 32px; max-height: calc(100vh - 64px); overflow-y: auto; padding: 13px 0 28px; scrollbar-width: thin; }
    .cs99-blog .cs99-rail-kicker { margin: 0 0 14px; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--subtle); }
    .cs99-blog .cs99-rail ol { padding: 0; margin: 0; list-style: none; border-left: 2px solid var(--line); }
    .cs99-blog .cs99-rail a { display: block; padding: 9px 0 9px 16px; margin-left: -2px; border-left: 2px solid transparent; text-decoration: none; color: var(--muted); line-height: 1.4; font-size: 13px; }
    .cs99-blog .cs99-rail a:hover, .cs99-blog .cs99-rail a.is-active { border-left-color: var(--brand); color: var(--brand-strong); font-weight: 700; }
    .cs99-blog .cs99-rail-foot { margin: 25px 0 0; padding: 15px; background: var(--canvas); border: 1px solid var(--line); border-radius: 12px; }
    .cs99-blog .cs99-rail-foot strong { display: block; font: 700 17px/1.3 var(--serif); }
    .cs99-blog .cs99-rail-foot p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
    .cs99-blog .cs99-rail-foot a { display: inline-block; margin: 10px 0 0; padding: 0; border: 0; font-size: 12px; font-weight: 700; color: var(--brand); text-decoration: underline; }

    .cs99-blog .cs99-main { min-width: 0; padding-bottom: 38px; }
    .cs99-blog .cs99-breadcrumb { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; color: var(--subtle); font-size: 12px; margin: 0 0 23px; }
    .cs99-blog .cs99-breadcrumb a { color: var(--muted); text-decoration: none; }
    .cs99-blog .cs99-breadcrumb span[aria-hidden="true"] { color: #9fadb8; }
    .cs99-blog .cs99-category { display: inline-flex; color: var(--brand); background: var(--brand-soft); text-decoration: none; border-radius: 50px; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 8px 12px; margin-bottom: 15px; }
    .cs99-blog h1, .cs99-blog h2, .cs99-blog h3, .cs99-blog h4, .cs99-blog p { overflow-wrap: break-word; }
    .cs99-blog .cs99-title { font: 700 clamp(34px, 4vw, 49px)/1.09 var(--serif); letter-spacing: -.035em; max-width: 730px; margin: 0 0 16px; }
    .cs99-blog .cs99-deck { max-width: 670px; font: 400 clamp(16px, 1.8vw, 19px)/1.65 var(--sans); color: var(--muted); margin: 0 0 24px; }
    .cs99-blog .cs99-meta { display: flex; align-items: center; flex-wrap: wrap; column-gap: 16px; row-gap: 10px; font-size: 12px; color: var(--muted); padding-bottom: 25px; }
    .cs99-blog .cs99-avatar { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff; font-weight: 700; letter-spacing: -.04em; font-size: 11px; }
    .cs99-blog .cs99-meta-author { display: flex; align-items: center; gap: 9px; }
    .cs99-blog .cs99-meta strong { color: var(--ink); }
    .cs99-blog .cs99-meta .cs99-dot { color: #a8b5c0; }
    .cs99-blog .cs99-editorial { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; margin: 0 0 16px; }
    .cs99-blog .cs99-editorial svg { width: 15px; height: 15px; color: var(--brand); }
    .cs99-blog .cs99-editorial a { font-weight: 600; }

    .cs99-blog .cs99-hero-image { position: relative; overflow: hidden; background: linear-gradient(130deg, #e5eff2 0%, #d3e1df 48%, #eff1eb 100%); border-radius: 15px; min-height: 276px; aspect-ratio: 16/8.7; border: 1px solid var(--line); }
    .cs99-blog .cs99-hero-image img { width: 100%; height: 100%; min-height: 276px; object-fit: cover; object-position: center; }
    .cs99-blog .cs99-feature-cap { color: var(--subtle); font-size: 11px; line-height: 1.5; margin: 9px 0 23px; }

    .cs99-blog .cs99-lead-answer { margin: 20px 0 16px; padding: 26px 28px; background: var(--brand-soft); border: 1px solid #d5e8ef; border-radius: 14px; }
    .cs99-blog .cs99-eyebrow { margin: 0 0 8px; font: 700 11px/1.4 var(--sans); letter-spacing: .15em; color: var(--brand-strong); text-transform: uppercase; }
    .cs99-blog .cs99-lead-answer h2 { margin: 0 0 10px; font: 700 25px/1.2 var(--serif); letter-spacing: -.02em; }
    .cs99-blog .cs99-lead-answer p { margin: 0; font-size: 16px; line-height: 1.7; }
    .cs99-blog .cs99-takeaways { padding: 22px 0 17px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
    .cs99-blog .cs99-takeaways h2 { font: 700 19px/1.3 var(--serif); margin: 0 0 11px; }
    .cs99-blog .cs99-takeaways ul { display: grid; gap: 7px; padding: 0; margin: 0; list-style: none; }
    .cs99-blog .cs99-takeaways li { position: relative; padding-left: 24px; color: var(--muted); font-size: 14px; line-height: 1.65; }
    .cs99-blog .cs99-takeaways li::before { content: "✓"; position: absolute; left: 0; top: 0; font-weight: 800; color: var(--brand); }

    .cs99-blog .cs99-mobile-toc { display: none; margin: 21px 0 28px; border: 1px solid var(--line); background: var(--canvas); border-radius: 12px; }
    .cs99-blog .cs99-mobile-toc summary { cursor: pointer; padding: 15px 18px; font-size: 14px; font-weight: 700; }
    .cs99-blog .cs99-mobile-toc nav { padding: 0 18px 17px; }
    .cs99-blog .cs99-mobile-toc ol { margin: 0; padding-left: 21px; }
    .cs99-blog .cs99-mobile-toc li { margin: 8px 0; font-size: 14px; }

    .cs99-blog .cs99-art { font-size: 16px; line-height: 1.86; }
    .cs99-blog .cs99-art > p:first-child { margin-top: 0; }
    .cs99-blog .cs99-art p { margin: 0 0 17px; }
    .cs99-blog .cs99-art > section { scroll-margin-top: 30px; margin: 0 0 42px; }
    .cs99-blog .cs99-art h2 { font: 700 clamp(25px, 2.8vw, 32px)/1.22 var(--serif); letter-spacing: -.02em; margin: 41px 0 15px; }
    .cs99-blog .cs99-art h3 { font: 700 21px/1.4 var(--serif); margin: 25px 0 9px; }
    .cs99-blog .cs99-art ul:not(.cs99-steps), .cs99-blog .cs99-art ol:not(.cs99-steps) { margin: 8px 0 21px; padding-left: 25px; }
    .cs99-blog .cs99-art li { padding-left: 2px; margin: 6px 0; }
    .cs99-blog .cs99-answer { border-left: 3px solid var(--brand); margin: 0 0 18px; padding: 3px 0 3px 17px; color: var(--ink); font-weight: 500; line-height: 1.75; }
    .cs99-blog .cs99-answer p { margin: 0; }
    .cs99-blog .cs99-subtle { font-size: 13px; color: var(--muted); }
    .cs99-blog .cs99-practice { background: var(--amber-soft); border-left: 4px solid var(--amber); padding: 18px 21px; margin: 25px 0; border-radius: 0 12px 12px 0; }
    .cs99-blog .cs99-practice strong { display: block; font-size: 14px; margin: 0 0 4px; }
    .cs99-blog .cs99-practice p { margin: 0; font-size: 14px; color: #514d40; line-height: 1.7; }

    .cs99-blog .cs99-damage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin: 20px 0; }
    .cs99-blog .cs99-damage { padding: 20px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
    .cs99-blog .cs99-damage strong { display: block; font: 700 18px/1.4 var(--serif); margin-bottom: 6px; }
    .cs99-blog .cs99-damage p { font-size: 13px; color: var(--muted); line-height: 1.7; margin: 0; }
    .cs99-blog .cs99-symbol { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; margin-bottom: 10px; background: var(--brand-soft); color: var(--brand); font-size: 16px; }
    .cs99-blog .cs99-steps { list-style: none; margin: 20px 0; padding: 0; counter-reset: cs99-step; }
    .cs99-blog .cs99-steps li { position: relative; padding: 0 0 25px 49px; margin-left: 17px; border-left: 1px solid var(--line); counter-increment: cs99-step; }
    .cs99-blog .cs99-steps li:last-child { border-color: transparent; padding-bottom: 2px; }
    .cs99-blog .cs99-steps li::before { content: counter(cs99-step); position: absolute; left: -17px; top: 0; display: grid; place-items: center; border-radius: 50%; width: 33px; height: 33px; background: var(--brand); color: #fff; font-size: 13px; font-weight: 700; }
    .cs99-blog .cs99-steps strong { display: block; font: 700 18px/1.35 var(--serif); margin: -1px 0 6px; }
    .cs99-blog .cs99-steps p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 0; }

    .cs99-blog .cs99-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; margin: 21px 0; }
    .cs99-blog .cs99-table { width: 100%; border-collapse: collapse; min-width: 540px; text-align: left; font-size: 13px; line-height: 1.55; }
    .cs99-blog .cs99-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
    .cs99-blog .cs99-table th { background: var(--canvas); color: var(--ink); font-weight: 700; }
    .cs99-blog .cs99-table th, .cs99-blog .cs99-table td { padding: 13px 16px; vertical-align: top; border-bottom: 1px solid var(--line); }
    .cs99-blog .cs99-table tr:last-child td { border-bottom: none; }
    .cs99-blog .cs99-table td:first-child { font-weight: 600; }

    .cs99-blog .cs99-evidence { margin: 31px 0; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--canvas); }
    .cs99-blog .cs99-evidence-visual { background: #dbe8e9; display: grid; place-items: center; min-height: 225px; position: relative; overflow: hidden; }
    .cs99-blog .cs99-evidence-visual::before { content: ""; position: absolute; inset: 25px 65px 20px 45px; background: #fff; transform: rotate(-9deg); box-shadow: 0 6px 20px #24465330; }
    .cs99-blog .cs99-evidence-visual::after { content: ""; position: absolute; inset: 42px 45px 33px 65px; background: linear-gradient(165deg,#9db5bd,#4f7a89); border: 10px solid #fff; box-shadow: 0 9px 24px #24465335; transform: rotate(7deg); }
    .cs99-blog .cs99-evidence-icon { position: relative; z-index: 2; color: #fff; font: 700 12px/1.5 var(--sans); text-align: center; max-width: 120px; }
    .cs99-blog .cs99-evidence-copy { padding: 24px; }
    .cs99-blog .cs99-evidence-copy .cs99-eyebrow { font-size: 10px; }
    .cs99-blog .cs99-evidence-copy h3 { font: 700 21px/1.25 var(--serif); margin: 4px 0 9px; }
    .cs99-blog .cs99-evidence-copy p { margin: 0; font-size: 13px; line-height: 1.75; color: var(--muted); }

    .cs99-blog .cs99-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; margin: 33px 0; padding: 27px 30px; color: white; background: #193344; border-radius: 14px; }
    .cs99-blog .cs99-cta .cs99-eyebrow { color: #b7d4e2; }
    .cs99-blog .cs99-cta h3 { margin: 0 0 7px; color: white; font: 700 24px/1.2 var(--serif); }
    .cs99-blog .cs99-cta p { color: #d7e3ea; margin: 0; font-size: 13px; line-height: 1.6; }
    .cs99-blog .cs99-btn { display: inline-block; white-space: nowrap; font-size: 13px; font-weight: 700; padding: 13px 17px; border-radius: 8px; text-decoration: none; }
    .cs99-blog .cs99-cta .cs99-btn { background: white; color: #193344; }
    .cs99-blog .cs99-cta .cs99-btn:hover { background: #e6f3f7; }

    .cs99-blog .cs99-faq { border-top: 1px solid var(--line); margin-top: 17px; }
    .cs99-blog .cs99-faq details { border-bottom: 1px solid var(--line); padding: 15px 0; }
    .cs99-blog .cs99-faq summary { cursor: pointer; display: flex; justify-content: space-between; gap: 18px; list-style: none; font-size: 15px; font-weight: 700; line-height: 1.6; }
    .cs99-blog .cs99-faq summary::-webkit-details-marker { display: none; }
    .cs99-blog .cs99-faq summary::after { content: "+"; font: 500 23px/1 var(--sans); color: var(--brand); flex: none; }
    .cs99-blog .cs99-faq details[open] summary::after { content: "−"; }
    .cs99-blog .cs99-faq p { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 9px 0 2px; max-width: 630px; }

    .cs99-blog .cs99-sources { padding-top: 8px; border-top: 1px solid var(--line); }
    .cs99-blog .cs99-sources h2 { margin-top: 29px; }
    .cs99-blog .cs99-sources ol { font-size: 14px; }
    .cs99-blog .cs99-sources li { margin: 8px 0; }
    .cs99-blog .cs99-method { font-size: 13px; color: var(--muted); }
    .cs99-blog .cs99-bio { padding: 23px; border: 1px solid var(--line); border-radius: 14px; display: flex; align-items: flex-start; gap: 17px; margin: 37px 0 12px; }
    .cs99-blog .cs99-bio .cs99-avatar { width: 53px; height: 53px; font-size: 16px; }
    .cs99-blog .cs99-bio h2 { font: 700 19px/1.3 var(--serif); margin: 0 0 6px; }
    .cs99-blog .cs99-bio p { font-size: 13px; line-height: 1.65; color: var(--muted); margin: 0 0 8px; }
    .cs99-blog .cs99-bio .cs99-bio-note { color: #6e7881; font-size: 11px; }

    .cs99-blog .cs99-bottom { border-top: 1px solid var(--line); background: var(--canvas); margin-top: 4px; }
    .cs99-blog .cs99-bottom-inner { max-width: 1170px; margin: auto; padding: 43px 26px 54px; }
    .cs99-blog .cs99-bottom h2 { margin: 0 0 6px; font: 700 27px/1.2 var(--serif); }
    .cs99-blog .cs99-bottom-intro { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
    .cs99-blog .cs99-related { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 785px; }
    .cs99-blog .cs99-related-card { display: block; padding: 20px; text-decoration: none; border: 1px solid var(--line); background: white; border-radius: 12px; }
    .cs99-blog .cs99-related-card .cs99-eyebrow { color: var(--muted); font-size: 10px; }
    .cs99-blog .cs99-related-card strong { display: block; color: var(--ink); margin-bottom: 7px; font: 700 19px/1.25 var(--serif); }
    .cs99-blog .cs99-related-card > span:last-child { color: var(--brand); font-size: 12px; font-weight: 700; }

    @media (max-width: 950px) {
      .cs99-blog .cs99-shell { max-width: 790px; display: block; padding-top: 31px; }
      .cs99-blog .cs99-rail { display: none; }
      .cs99-blog .cs99-mobile-toc { display: block; }
      .cs99-blog .cs99-main { width: 100%; }
    }
    @media (max-width: 600px) {
      .cs99-blog .cs99-title { font-size: 35px; }
      .cs99-blog .cs99-meta { gap: 7px 12px; }
      .cs99-blog .cs99-deck { font-size: 16px; }
      .cs99-blog .cs99-hero-image, .cs99-blog .cs99-hero-image img { min-height: 210px; }
      .cs99-blog .cs99-hero-image { aspect-ratio: 1.5; }
      .cs99-blog .cs99-lead-answer { padding: 21px 18px; }
      .cs99-blog .cs99-lead-answer h2 { font-size: 23px; }
      .cs99-blog .cs99-damage-grid { grid-template-columns: 1fr; }
      .cs99-blog .cs99-evidence { grid-template-columns: 1fr; }
      .cs99-blog .cs99-evidence-visual { min-height: 180px; }
      .cs99-blog .cs99-cta { grid-template-columns: 1fr; padding: 24px 20px; gap: 19px; }
      .cs99-blog .cs99-cta .cs99-btn { justify-self: start; }
      .cs99-blog .cs99-related { grid-template-columns: 1fr; }
      .cs99-blog .cs99-bio { padding: 17px; }
      .cs99-blog .cs99-bio .cs99-avatar { width: 39px; height: 39px; font-size: 12px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    }
  
/* ===== Dynamic additions ===== */
.cs99-blog .cs99-hero-image { margin: 0; aspect-ratio: auto; min-height: 0; }
.cs99-blog .cs99-hero-image img { width: 100%; height: auto; min-height: 0; max-height: 440px; object-fit: cover; }
.cs99-blog .cs99-feature { margin: 0 0 26px; }
.cs99-blog .cs99-article-body img { border-radius: 10px; }
.cs99-blog .cs99-article-body { font-size: 16px; line-height: 1.86; }
.cs99-blog .cs99-article-body > *:first-child { margin-top: 0; }
.cs99-blog .cs99-article-body p { margin: 0 0 17px; }
.cs99-blog .cs99-article-body h2 { font: 700 clamp(25px, 2.8vw, 32px)/1.22 var(--serif); letter-spacing: -.02em; margin: 41px 0 15px; scroll-margin-top: 30px; }
.cs99-blog .cs99-article-body h3 { font: 700 21px/1.4 var(--serif); margin: 25px 0 9px; }
.cs99-blog .cs99-article-body ul, .cs99-blog .cs99-article-body ol { margin: 8px 0 21px; padding-left: 25px; }
.cs99-blog .cs99-article-body li { margin: 6px 0; }
.cs99-blog .cs99-article-body blockquote { margin: 24px 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--brand); color: var(--muted); }
.cs99-blog .cs99-article-body table { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
.cs99-blog .cs99-article-body th, .cs99-blog .cs99-article-body td { padding: 11px 14px; border: 1px solid var(--line); text-align: left; }
.cs99-blog .cs99-article-body th { background: var(--canvas); }
.cs99-blog .cs99-article-body iframe, .cs99-blog .cs99-article-body video { max-width: 100%; }
.cs99-blog .cs99-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.cs99-blog .cs99-tags a { font-size: 12px; padding: 6px 11px; border: 1px solid var(--line); border-radius: 50px; color: var(--muted); text-decoration: none; }
.cs99-blog .cs99-related-card img { border-radius: 8px; margin-bottom: 12px; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.cs99-blog .cs99-related { max-width: none; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cs99-blog .cs99-comments { margin-top: 36px; }
@media (max-width: 800px) { .cs99-blog .cs99-related { grid-template-columns: 1fr; } }