:root{--navy:#0b1b33;--navy2:#13294b;--green:#2fbf71;--ink:#16202e;--bg:#fff;--soft:#f3f6fa}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:900px;margin:0 auto;padding:0 1.1rem}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:.5rem;z-index:9}
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding-top:.7rem;padding-bottom:.7rem}
.brand{color:#fff;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:.5rem}
.dot{width:12px;height:12px;border-radius:50%;background:var(--green)}
#nav a{color:#dbe6f5;text-decoration:none;margin-left:1rem;padding:.3rem 0}
#nav a:hover,#nav a[aria-current]{color:#fff;border-bottom:2px solid var(--green)}
.menu-btn{display:none;background:var(--navy2);color:#fff;border:1px solid #3a557f;border-radius:6px;padding:.4rem .8rem;font:inherit}
a{color:#0b6b3a}a:focus-visible,button:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.article{padding-top:1.5rem;padding-bottom:3rem}
h1{font-size:2rem;line-height:1.25;color:var(--navy)}h2{margin-top:2.2rem;color:var(--navy);line-height:1.3}
.lead{font-size:1.12rem}.crumbs{font-size:.9rem;color:#4a5a70}
.callout{background:var(--soft);border-left:4px solid var(--green);padding:.8rem 1rem;border-radius:4px;font-size:.95rem}
.toc{background:var(--soft);padding:.5rem 1.2rem;border-radius:8px}.toc ol{columns:2;margin:.3rem 0 .8rem}
table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}th,td{border:1px solid #cfd8e3;padding:.5rem .7rem;text-align:left}th{background:var(--soft)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem}
.card{display:block;padding:1rem;border:1px solid #cfd8e3;border-radius:10px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--green)}.card span{display:block;font-size:.88rem;color:#4a5a70;margin-top:.3rem}
.site-footer{background:var(--navy);color:#dbe6f5;padding:1.5rem 0;font-size:.92rem}
.site-footer a{color:#fff;margin-right:1rem}.small{font-size:.8rem;opacity:.8}
@media(max-width:700px){.menu-btn{display:block}#nav{display:none;width:100%}#nav.open{display:flex;flex-direction:column}#nav a{margin:0;padding:.6rem 0}.toc ol{columns:1}h1{font-size:1.6rem}}

.logo{margin:1rem 0;text-align:center}.logo img{max-width:220px;width:100%;height:auto;border-radius:12px;background:#222}.logo figcaption{font-size:.8rem;color:#4a5a70}
.ref{border-left-color:#d9a400}