:root{color-scheme:light;--bg:#fff;--surface:#f7fafc;--surface-strong:#edf4f7;--text:#172026;--muted:#5a6872;--border:#d9e4ea;--accent:#127c7a;--accent-dark:#0e5e5c;--blue:#2f6fbd;--yellow:#f4c542;--shadow:0 16px 48px #17202614;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-size:16px;line-height:1.8}img{max-width:100%;height:auto;display:block}a{color:var(--accent-dark);text-underline-offset:.18em;text-decoration-thickness:.08em}a:focus-visible,button:focus-visible{outline-offset:3px;border-radius:6px;outline:3px solid #127c7a59}.site-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:24px;width:min(1120px,100% - 32px);min-height:72px;margin:0 auto;display:flex}.brand{color:var(--text);white-space:nowrap;align-items:center;gap:10px;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{background:var(--accent);color:#fff;border-radius:8px;place-items:center;width:34px;height:34px;font-size:18px;display:grid}nav{flex-wrap:wrap;justify-content:flex-end;gap:8px 16px;font-size:.95rem;display:flex}nav a{color:var(--muted);font-weight:700;text-decoration:none}nav a:hover,nav a.active{color:var(--accent-dark)}main{min-height:calc(100vh - 152px)}.section{width:min(1120px,100% - 32px);margin:0 auto;padding:56px 0}.section-narrow{width:min(760px,100% - 32px);margin:0 auto;padding:56px 0}.eyebrow{color:var(--accent-dark);margin:0 0 8px;font-size:.88rem;font-weight:800}h1,h2,h3{letter-spacing:0;margin:0 0 16px;line-height:1.35}h1{font-size:clamp(2rem,6vw,4.6rem)}h2{font-size:clamp(1.55rem,4vw,2.2rem)}h3{font-size:1.18rem}p{margin:0 0 1.1em}.lead{color:var(--muted);font-size:clamp(1.02rem,2vw,1.22rem)}.button-row{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.button{background:var(--accent);color:#fff;border-radius:8px;justify-content:center;align-items:center;min-height:44px;padding:10px 16px;font-weight:800;text-decoration:none;display:inline-flex}.button.secondary{background:var(--surface-strong);color:var(--text)}.grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.site-footer{border-top:1px solid var(--border);width:min(1120px,100% - 32px);min-height:80px;color:var(--muted);justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:24px 0;font-size:.92rem;display:flex}.site-footer p{margin:0}.prose{overflow-wrap:anywhere;font-size:1.04rem;line-height:1.95}.prose h2{border-top:1px solid var(--border);margin-top:2.4em;padding-top:.85em;font-size:clamp(1.45rem,5vw,2rem)}.prose h3{border-left:4px solid var(--accent);margin-top:2em;padding-left:12px;font-size:clamp(1.18rem,4vw,1.38rem)}.prose p{margin-bottom:1.35em}.prose ul,.prose ol{margin:0 0 1.6em;padding-left:1.4em}.prose code{background:var(--surface-strong);border-radius:5px;padding:.12em .32em;font-size:.92em}.prose pre{-webkit-overflow-scrolling:touch;color:#f7fafc;background:#172026;border-radius:8px;padding:18px;overflow-x:auto}.prose pre code{color:inherit;background:0 0;padding:0}.prose img{border:1px solid var(--border);border-radius:8px;width:100%;margin:28px 0}.prose .article-figure{width:100%;max-width:100%;margin:28px 0}.prose .article-figure img{height:auto;margin:0}.prose .article-figure figcaption{color:var(--muted);margin-top:10px;font-size:.88rem;line-height:1.65}.prose blockquote,.prose .note-box,.prose .point-box,.prose .warning-box{border-radius:8px;margin:28px 0;padding:18px 18px 18px 20px}.prose blockquote,.prose .point-box{border:1px solid #b9dcd8;border-left:5px solid var(--accent);background:#f2fbf9}.prose .note-box{border:1px solid var(--border);border-left:5px solid var(--blue);background:var(--surface)}.prose .warning-box{border:1px solid #ead795;border-left:5px solid var(--yellow);background:#fffaf0}.prose blockquote p,.prose .note-box p,.prose .point-box p,.prose .warning-box p{margin-bottom:0}.prose .table-scroll{-webkit-overflow-scrolling:touch;margin:28px 0;overflow-x:auto}.prose table{-webkit-overflow-scrolling:touch;border-collapse:collapse;white-space:nowrap;width:100%;max-width:100%;font-size:.96rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);vertical-align:top;padding:12px 14px}.prose th{background:var(--surface);text-align:left}@media (width<=760px){.site-header,.site-footer{width:min(100% - 24px,1120px)}.site-header{flex-direction:column;align-items:flex-start;gap:14px;padding:16px 0}nav{justify-content:flex-start;gap:10px 14px}.section,.section-narrow{width:min(100% - 24px,1120px);padding:40px 0}.grid{grid-template-columns:1fr}.site-footer{flex-direction:column;align-items:flex-start}}