:root{
  --ink:#13202b; --mut:#5b6b78; --line:#e3e9ee; --bg:#ffffff; --soft:#f5f8fa;
  --acc:#0b7a5b; --acc2:#0a6e8f; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:var(--bg);
  font:1.0625rem/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--acc2)}
.sb-nav{max-width:840px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;
  padding:18px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:10px}
.sb-brandblock{display:flex;flex-direction:column}
.sb-brand{font-weight:800;font-size:1.125rem;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.sb-brand span{color:var(--acc)}
.sb-tag{font-weight:500;font-size:0.7188rem;color:var(--mut);margin-top:2px}
.sb-nav nav a{margin-left:16px;text-decoration:none;color:var(--mut);font-size:0.9375rem}
.sb-nav nav a:hover{color:var(--ink)}
.sb-article{max-width:760px;margin:0 auto;padding:8px 20px 10px}
.sb-article h1{font-size:2.0625rem;line-height:1.15;letter-spacing:-.02em;margin:26px 0 12px}
.sb-article h2{font-size:1.5rem;letter-spacing:-.01em;margin:34px 0 10px}
.sb-article h3{font-size:1.1875rem;margin:22px 0 6px}
.sb-article p,.sb-article li{font-size:1.0625rem}
.sb-article strong{color:var(--ink)}
.sb-article code{font-family:var(--mono);background:var(--soft);border:1px solid var(--line);
  padding:1px 5px;border-radius:5px;font-size:.9em}
.sb-article pre{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow:auto}
.sb-article pre code{border:0;padding:0;background:none}
.sb-article table{width:100%;border-collapse:collapse;margin:16px 0;font-size:0.9375rem;display:block;overflow-x:auto}
.sb-article th,.sb-article td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.sb-article th{background:var(--soft);font-weight:700}
.sb-article blockquote{border-left:3px solid var(--acc);margin:16px 0;padding:4px 0 4px 16px;color:var(--ink)}
.sb-article hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.sb-cta{max-width:760px;margin:30px auto 0;padding:18px 20px;background:var(--soft);
  border:1px solid var(--line);border-radius:12px}
.sb-cta p{margin:0;font-size:1rem}
.sb-foot{max-width:760px;margin:24px auto 50px;padding:16px 20px 0;border-top:1px solid var(--line);
  color:var(--mut);font-size:0.8438rem}