:root{
  --bg:#FFFFFF;--surface:#F2F5F2;--raised:#FFFFFF;--border:#DCE3DE;
  --ink:#17201B;--muted:#5A6660;--faint:#6F7A74;
  --primary:#1F6B4A;--primary-ink:#185A3D;--primary-soft:#DDEEE5;--on-primary:#FFFFFF;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0F1411;--surface:#18201B;--raised:#1E2822;--border:#2A352E;
  --ink:#ECF1EE;--muted:#A3AEA8;--faint:#8C9791;
  --primary:#5CC294;--primary-ink:#7BD3AA;--primary-soft:#1D3A2C;--on-primary:#0B1A12;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif}
a{color:var(--primary-ink)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--raised);padding:8px 12px;border-radius:8px;z-index:9}
header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand img{width:36px;height:36px;border-radius:9px}
nav{display:flex;align-items:center;gap:18px}
nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
nav a:hover{color:var(--ink)}
nav a.navcta{color:var(--on-primary);background:var(--primary);padding:8px 14px;border-radius:10px;font-weight:600}
.crumbs{font-size:.88rem;color:var(--faint);margin:8px 0 18px}
.crumbs a{color:var(--muted)}
h1{font-size:clamp(1.8rem,4.2vw,2.5rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 10px}
h2{font-size:1.45rem;line-height:1.3;letter-spacing:-.01em;margin:40px 0 10px}
h3{font-size:1.12rem;margin:26px 0 6px}
p,ul,ol{margin:0 0 16px}
li{margin:4px 0}
.byline{color:var(--faint);font-size:.9rem;margin:0 0 14px}
.lead{font-size:1.15rem;color:var(--muted)}
.post-head{border-bottom:1px solid var(--border);margin-bottom:24px}
.table-wrap{overflow-x:auto;margin:18px 0 22px;border:1px solid var(--border);border-radius:14px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:560px}
caption{caption-side:top;text-align:left;font-size:.85rem;color:var(--faint);padding:10px 14px 0}
th,td{padding:8px 10px;text-align:right;border-bottom:1px solid var(--border);white-space:nowrap}
thead th{background:var(--surface);font-weight:600;color:var(--muted);white-space:normal;vertical-align:bottom}
tbody th{text-align:left;font-weight:600;white-space:normal;min-width:160px}
td:nth-child(2),th:nth-child(2){text-align:left}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.callout{background:var(--surface);border-radius:14px;padding:16px 18px;margin:20px 0}
.callout p:last-child{margin:0}
.cta-box{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;background:var(--primary-soft);border-radius:18px;padding:22px 24px;margin:34px 0}
.cta-box p{margin:0;color:var(--muted);max-width:30em}
.cta-box .cta-title{color:var(--ink);font-weight:700;font-size:1.1rem;margin-bottom:4px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:12px;font-weight:600;text-decoration:none;min-height:48px}
.btn.primary{background:var(--primary);color:var(--on-primary)}
.btn svg{width:20px;height:20px;flex:none}
.btn .two{display:flex;flex-direction:column;line-height:1.15}
.btn .two small{font-weight:500;font-size:.75rem;opacity:.9}
details{border-bottom:1px solid var(--border);padding:12px 0}
details:first-of-type{border-top:1px solid var(--border)}
summary{cursor:pointer;font-weight:600}
details p{margin:8px 0 0;color:var(--muted)}
.note{font-size:.88rem;color:var(--faint);border-top:1px solid var(--border);padding-top:14px;margin-top:30px}
.related{margin:30px 0 50px}
.related ul{padding-left:20px}
.card-post{border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin:0 0 16px;background:var(--raised)}
.card-post h2{margin:0 0 4px;font-size:1.25rem}
.card-post h2 a{color:var(--ink);text-decoration:none}
.card-post h2 a:hover{color:var(--primary-ink)}
.card-post p{margin:0 0 8px;color:var(--muted)}
.card-post .more{font-weight:600;text-decoration:none}
footer{border-top:1px solid var(--border);padding:28px 0 40px;color:var(--muted);font-size:.9rem;margin-top:30px}
footer .links{display:flex;flex-wrap:wrap;gap:8px 18px}
footer p{margin:12px 0 0}
@media (max-width:820px){nav a.hide-sm{display:none}body{font-size:16.5px}}