:root{--bg:#f6f8f7;--surface:#ffffff;--ink:#0b3b36;--muted:#3d5c58;--accent:#0b7360;--line:#d3e1dd;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#06191a;--surface:#0c2426;--ink:#e6f4f0;--muted:#a8c6c0;--accent:#45d6b2;--line:#1d403d}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-underline-offset:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;z-index:9}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}.wide{max-width:1040px}
header.top{border-bottom:1px solid var(--line);background:var(--surface)}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;min-height:44px}
.brand img{width:28px;height:28px}.lock{font-size:13px;color:var(--muted);font-weight:500}.lock a{color:var(--muted);display:inline-flex;align-items:center;min-height:32px}
nav.sub{display:flex;flex-wrap:wrap;gap:4px 14px}nav.sub a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;font-weight:600}
nav.sub a[aria-current]{color:var(--accent);text-decoration:underline}
main{padding:32px 0 48px}h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:0 0 12px}h2{font-size:24px;margin:36px 0 8px;line-height:1.25}h3{font-size:19px;margin:24px 0 6px}
.lede{font-size:19px;color:var(--muted);margin:0 0 20px}.meta{font-size:14px;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0}
.card h2,.card h3{margin-top:0}ul.posts{list-style:none;padding:0}ul.posts li{margin:0 0 18px}
.cover{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);display:block;margin:8px 0 20px}
details{border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:10px 0;background:var(--surface)}summary{cursor:pointer;font-weight:600;min-height:32px}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-weight:700;font-size:14px;border:2px solid currentColor}
.ok{color:var(--accent)}.warn{color:var(--muted)}table{border-collapse:collapse;width:100%}td,th{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
footer.bot{border-top:1px solid var(--line);background:var(--surface);font-size:15px;padding:24px 0 40px}footer.bot a{display:inline-block;min-height:32px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px 24px}footer.bot h2{font-size:15px;margin:0 0 6px}footer.bot ul{list-style:none;padding:0;margin:0}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}