:root{--ink:#16181d;--ink-soft:#495261;--soft:#495261;--blue:#1430c8;--deep:#101e72;--line:#d9dee7;--paper:#f3f5f8;--blue-tint:#e8ebfb;--tint:#e8ebfb;--radius:4px;--font-mono:'IBM Plex Mono',Consolas,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;color:var(--ink);background:var(--paper);font:18px/1.75 'Segoe UI',Arial,sans-serif}
a{color:var(--blue);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
img{max-width:100%;height:auto}
.skip-link{position:absolute;left:16px;top:-90px;z-index:100;background:#fff;padding:12px 20px}
.skip-link:focus{top:10px}
.blog-intro{max-width:1250px;margin:auto;padding:38px 28px 36px}
.breadcrumb{font-size:13px;color:var(--soft);margin-bottom:24px;display:flex;gap:8px;flex-wrap:wrap}
.breadcrumb a{text-decoration:none}
.eyebrow{font:500 12px/1.5 var(--font-mono);text-transform:uppercase;color:var(--blue);letter-spacing:.12em}
.blog-intro h1,.blog-hub h1{font-size:clamp(2.2rem,4.3vw,3.6rem);line-height:1.12;letter-spacing:-.035em;max-width:27ch;margin:18px 0 24px;font-weight:750}
.blog-meta{display:flex;gap:10px 24px;flex-wrap:wrap;font-size:14px;color:var(--soft)}
.blog-meta a{color:inherit}
.blog-layout{max-width:1250px;margin:auto;padding:0 28px 80px;display:grid;grid-template-columns:250px minmax(0,1fr);gap:54px;align-items:start}
.toc{position:sticky;top:100px;max-height:calc(100vh - 120px);overflow:auto;padding:22px 18px;background:white;border:1px solid var(--line);border-radius:6px;font-size:13px;line-height:1.45}
.toc h2{font-size:15px;margin:0 0 16px}
.toc ol{padding-left:0;list-style:none;margin:0}
.toc li{margin:0 0 10px}
.toc a{color:var(--soft);text-decoration:none}
.toc a:hover{color:var(--blue)}
.blog-article{min-width:0;max-width:860px}
.blog-article>p:first-child{font-size:1.18em;line-height:1.7;color:var(--ink)}
.blog-article p{margin:0 0 1.2em;color:#35404c}
.blog-article h2{font-size:1.75rem;line-height:1.25;letter-spacing:-.02em;margin:58px 0 22px;padding-top:20px;border-top:2px solid var(--line);scroll-margin-top:15px}
.blog-article h3{font-size:1.22rem;line-height:1.35;margin:32px 0 16px}
.blog-article strong{color:var(--ink)}
.blog-article ul,.blog-article ol{padding-left:26px}
.blog-article li{padding-left:3px;margin:9px 0}
.blog-article blockquote{margin:24px 0;padding:22px;background:var(--tint);border-left:4px solid var(--blue)}
.table-scroll{overflow:auto;margin:24px 0;border:1px solid var(--line);border-radius:5px;background:#fff}
.blog-article table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.55}
.blog-article th,.blog-article td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.blog-article th{background:var(--tint);font-weight:650}
.blog-article tbody tr:last-child td{border-bottom:0}
.blog-article td:first-child{font-weight:600}
.blog-article code{font:.88em Consolas,monospace;background:#e9edf2;padding:2px 5px;border-radius:3px;overflow-wrap:anywhere}
.blog-article figure{margin:28px 0}
.diagram-scroll{overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:6px}
.diagram-scroll img{display:block;width:100%;min-width:850px}
.blog-article figcaption{font-size:13px;line-height:1.55;margin:0 0 12px;color:var(--soft)}
.blog-article details{background:#fff;border:1px solid var(--line);padding:18px 22px;border-radius:5px;margin:24px 0}
.blog-article summary{font-weight:650;cursor:pointer;color:var(--blue)}
.blog-article details .table-scroll{margin:18px 0}
.blog-article .article-photo{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;max-width:640px;margin:38px auto}
.blog-article .article-photo--detail{max-width:560px}
.blog-article .article-photo--connector{max-width:460px}
.article-photo img{display:block;width:100%;height:auto}
.blog-article .article-photo figcaption{padding:14px 18px;margin:0;font-size:14px;border-top:1px solid var(--line)}
.article-photo .credit{display:block;margin-top:6px;font-size:12px;color:var(--soft)}
.blog-footer{background:#121b39;color:#fff;padding:38px 24px;font-size:14px}
.blog-footer .wrap{max-width:1080px;margin:auto;display:grid;grid-template-columns:2fr 1fr;gap:36px}
.blog-footer h2{font-size:18px;margin:0 0 12px}
.blog-footer p{margin:0 0 16px;color:#fff}
.blog-footer a{color:#fff}
.footer-links{display:flex;flex-direction:column;gap:8px}
.blog-footer .footnote{margin-top:20px;font-size:12px}
.blog-hub{max-width:1080px;margin:auto;padding:38px 24px 70px}
.blog-hub .lead{font-size:20px;max-width:70ch;color:#35404c}
.guide-card{margin-top:36px;padding:30px;border:1px solid var(--line);border-radius:6px;background:#fff;max-width:850px}
.guide-card h2{font-size:28px;line-height:1.3;letter-spacing:-.02em;margin:14px 0 18px}
.guide-card h2 a{color:var(--ink);text-decoration:none}
.guide-card p{color:#35404c;margin:0 0 22px}
.guide-button{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;padding:10px 18px;border-radius:4px;font-size:15px;font-weight:600}
.blog-hub .service-link{font-size:16px;margin-top:36px;max-width:75ch}
@media(max-width:900px){.blog-layout{grid-template-columns:1fr;gap:30px}.toc{position:static;max-height:none}.toc ol{columns:2;column-gap:28px}.toc li{break-inside:avoid}.blog-intro{padding-top:28px}.blog-article{max-width:100%}}
@media(max-width:520px){body{font-size:17px;line-height:1.7}.blog-intro{padding:26px 20px}.blog-layout{padding:0 20px 48px}.toc ol{columns:1}.toc li{margin-bottom:12px}.blog-article h2{font-size:1.48rem;margin-top:42px}.blog-article h3{font-size:1.14rem}.table-scroll table{min-width:550px}.blog-article details{padding:16px}.blog-article details .table-scroll table{min-width:0;font-size:12px;line-height:1.45}.blog-article details th,.blog-article details td{padding:9px 6px}.blog-article details td:nth-child(3){white-space:nowrap}.blog-footer .wrap{grid-template-columns:1fr;gap:20px}.blog-hub{padding:26px 20px 48px}.guide-card{padding:22px}.guide-card h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.topbar,.toc,.skip-link,.blog-footer{display:none}.blog-layout{display:block;padding:0}.blog-intro{padding:0}.diagram-scroll img{min-width:0}.blog-article{max-width:none}.table-scroll{overflow:visible}.blog-article details{display:block}body{background:white;font-size:11pt}a{color:inherit}.blog-article h2,.blog-article h3{break-after:avoid}.blog-article figure,.blog-article tr{break-inside:avoid}}