:root{--ink:#142830;--ink-2:#1d3a42;--paper:#f4f1e8;--paper-2:#ebe7dc;--white:#fffef9;--teal:#247078;--teal-dark:#18525a;--amber:#d39a43;--line:#cbd2cb;--muted:#53656a;--code:#0f2229;--shadow:0 14px 35px rgba(20,40,48,.10);--radius:6px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.72}a{color:var(--teal-dark);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:#0f3e45}.skip-link{position:absolute;left:1rem;top:1rem;background:var(--white);color:var(--ink);padding:.6rem 1rem;transform:translateY(-180%);z-index:20}.skip-link:focus{transform:none}.site-header{border-top:5px solid var(--amber);border-bottom:1px solid #29454c;background:var(--ink);color:#fff}.header-inner{max-width:1280px;margin:auto;padding:1rem 2rem;display:flex;gap:2rem;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:.75rem;color:#fff;text-decoration:none;font-weight:750;letter-spacing:.02em}.brand:hover{color:#fff}.brand-mark{display:inline-grid;place-items:center;width:2.5rem;height:2.5rem;border:1px solid #6e969a;background:#1b3942;color:#f3c77c;border-radius:3px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}nav{display:flex;gap:.3rem;flex-wrap:wrap;justify-content:flex-end}nav a{color:#dfeaec;text-decoration:none;padding:.45rem .7rem;border-radius:3px;font-size:.94rem}nav a:hover,nav a[aria-current="page"]{background:#2a4b54;color:#fff}main{min-height:65vh}.article-layout{max-width:1280px;margin:auto;display:grid;grid-template-columns:250px minmax(0,800px);gap:4rem;padding:3.5rem 2rem 5rem;justify-content:center}.article-wide{max-width:980px;margin:auto;padding:3.5rem 2rem 5rem}.article-head{border-left:6px solid var(--amber);padding-left:1.6rem;margin-bottom:2rem}.eyebrow{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;color:var(--teal-dark);font-weight:700;margin:0 0 .75rem}.article h1{font-size:clamp(2.15rem,5vw,4.4rem);line-height:1.04;letter-spacing:-.035em;max-width:20ch;margin:.1rem 0 1rem}.article h2{font-size:clamp(1.45rem,3vw,2rem);line-height:1.2;margin:3.4rem 0 1rem;padding-top:.35rem;border-top:1px solid var(--line)}.article p,.article li{font-size:1.03rem}.lead{font-size:1.25rem!important;line-height:1.55!important;color:#354e55;max-width:63ch}.article-figure{margin:2rem 0 3rem;background:var(--ink);border:1px solid #aac0bd;box-shadow:var(--shadow);padding:.45rem}.article-figure img{display:block;width:100%;height:auto;max-height:560px;object-fit:cover}.article ul,.article ol{padding-left:1.4rem}.article li{margin:.55rem 0}pre{position:relative;background:var(--code);color:#e1eee9;padding:1.25rem 1.35rem;overflow:auto;border-radius:var(--radius);border-left:4px solid var(--amber);box-shadow:0 6px 18px rgba(15,34,41,.12);line-height:1.6}code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:.92em}.article p code,.article li code{background:#e4e2d7;border:1px solid #c8cbc2;border-radius:3px;padding:.12em .32em;color:#172e35}.toc{position:sticky;top:1.2rem;align-self:start;border-top:4px solid var(--teal);background:var(--paper-2);padding:1rem 1.15rem 1.15rem;box-shadow:0 7px 20px rgba(20,40,48,.07)}.toc-title{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800;margin:.2rem 0 .7rem}.toc ol{margin:0;padding-left:1.15rem}.toc li{font-size:.85rem;line-height:1.35;margin:.5rem 0}.toc a{text-decoration:none}.notice-trademark{background:#e7eee8;border:1px solid #93aaa2;border-left:5px solid var(--teal-dark);padding:1rem 1.15rem;color:#19343a}.notice-trademark p{margin:.2rem 0}.site-footer{background:var(--ink);color:#dbe5e4;border-top:5px solid var(--amber)}.footer-inner{max-width:1280px;margin:auto;padding:2.6rem 2rem;display:grid;grid-template-columns:1fr minmax(0,2fr);gap:2rem}.site-footer .notice-trademark{background:#1b3942;border-color:#50727a;color:#fff}.footer-title{font-weight:800;color:#fff;font-size:1.05rem}.copyright{grid-column:1/-1;border-top:1px solid #36535a;padding-top:1.2rem;color:#adbec1;font-size:.86rem}@media(max-width:900px){.header-inner{align-items:flex-start;flex-direction:column;gap:.8rem}.article-layout{grid-template-columns:1fr;gap:1rem}.toc{position:static}.footer-inner{grid-template-columns:1fr}}@media(max-width:560px){.header-inner,.article-layout,.article-wide{padding-left:1.1rem;padding-right:1.1rem}nav{justify-content:flex-start}nav a{padding:.35rem .48rem}.article h1{font-size:2.25rem}.article-head{padding-left:1rem}.article p,.article li{font-size:1rem}pre{font-size:.84rem}.footer-inner{padding-left:1.1rem;padding-right:1.1rem}}@media print{.site-header,.toc,.site-footer,.skip-link{display:none}.article-layout,.article-wide{display:block;max-width:none;padding:0}body{background:#fff}a{color:inherit}pre{white-space:pre-wrap;box-shadow:none}}