:root{--bg:#0d1117;--fg:#c9d1d9;--dim:#8b949e;--acc:#58a6ff;--line:#30363d;--card:#161b22}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  line-height:1.6}
.wrap{max-width:900px;margin:0 auto;padding:2rem 1.25rem 4rem}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
header{border-bottom:1px solid var(--line);margin-bottom:2rem;padding-bottom:1rem}
h1{margin:0 0 .3rem;font-size:1.9rem}
h2{margin:2rem 0 .6rem;font-size:1.3rem;border-bottom:1px solid var(--line);padding-bottom:.3rem}
h3{margin:1.4rem 0 .4rem;font-size:1.05rem}
.sub{color:var(--dim);margin:0}
.tools{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem}
.card h3{margin:0 0 .35rem}
.card p{margin:0 0 .6rem;color:var(--dim);font-size:.92rem}
.ver{font-family:ui-monospace,Menlo,monospace;font-size:.85rem;color:var(--dim)}
table{border-collapse:collapse;width:100%;margin:.8rem 0;font-size:.9rem}
th,td{text-align:left;padding:.45rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--dim);font-weight:600}
code,pre{font-family:ui-monospace,Menlo,'DejaVu Sans Mono',monospace}
code{background:#1f2428;padding:.12rem .35rem;border-radius:4px;font-size:.88em}
pre{background:#1f2428;border:1px solid var(--line);border-radius:6px;padding:.8rem;
  overflow-x:auto;line-height:1.45}
pre code{background:none;padding:0}
.sha{font-size:.72rem;color:var(--dim);word-break:break-all}
footer{margin-top:3rem;border-top:1px solid var(--line);padding-top:1rem;
  color:var(--dim);font-size:.85rem}
.note{background:var(--card);border-left:3px solid var(--acc);padding:.7rem 1rem;margin:1rem 0}