:root {
  color-scheme: light;
  --ink: #17212b;
  --muted: #5c6b78;
  --line: #dbe3e8;
  --paper: #f5f7f8;
  --white: #ffffff;
  --accent: #176b66;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.wrap { width: min(760px, calc(100% - 36px)); margin: 56px auto; }
.top { display: flex; align-items: center; gap: 16px; margin-bottom: 34px; }
.mark {
  display: grid; place-items: center; width: 52px; height: 52px;
  border-radius: 15px; background: var(--accent); color: white;
  font-weight: 750; letter-spacing: .04em; text-decoration: none;
}
.eyebrow { margin: 0 0 2px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .15em; }
h1 { margin: 0; font-size: clamp(28px, 6vw, 38px); line-height: 1.15; letter-spacing: -.035em; }
h2 { margin: 0 0 12px; font-size: 19px; letter-spacing: -.02em; }
p { margin: 0 0 13px; }
a { color: var(--accent); text-underline-offset: 3px; }
.lead { margin-bottom: 14px; font-size: 21px; line-height: 1.4; font-weight: 600; letter-spacing: -.02em; }
.intro { margin-bottom: 24px; }
.panel { margin: 16px 0; padding: 23px 25px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
ul { margin: 0; padding-left: 21px; }
li { margin: 6px 0; }
.updated, .note { color: var(--muted); font-size: 14px; }
.updated { margin: -18px 0 22px; }
.note { margin: 12px 0 0; }
code { overflow-wrap: anywhere; padding: 3px 6px; border-radius: 5px; background: #eef2f3; font-size: .92em; }
footer { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding: 22px 4px; color: var(--muted); font-size: 14px; }
@media (max-width: 520px) { .wrap { margin: 30px auto; } .panel { padding: 19px; } }