:root {
  color-scheme: light;
  --ink: #20372f;
  --muted: #65756d;
  --accent: #286b5d;
  --paper: #f6f5ef;
  --line: #dfe7df;
  --card: #fff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.8 -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}
main { width: min(820px, 100%); margin: 0 auto; padding: 40px 22px 72px; }
a { color: var(--accent); text-underline-offset: 3px; }
h1 { margin: 0 0 10px; font-size: clamp(30px, 7vw, 42px); line-height: 1.25; letter-spacing: -.02em; }
h2 { margin: 34px 0 10px; font-size: 21px; line-height: 1.4; }
p { margin: 0 0 16px; }
ul { padding-left: 1.3em; }
li { margin: 0 0 8px; }
.eyebrow { color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.meta, .muted { color: var(--muted); }
.lead { max-width: 38em; font-size: 19px; color: #40554b; }
.card { margin-top: 18px; padding: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-top: 24px; }
.link-card { display: block; padding: 18px; border-radius: 16px; border: 1px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none; }
.link-card strong { display: block; margin-bottom: 4px; }
.link-card span { color: var(--muted); font-size: 15px; }
.note { padding: 14px 16px; border-left: 3px solid var(--accent); background: #e8efe9; border-radius: 0 12px 12px 0; }
footer { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 520px) { main { padding: 28px 18px 52px; } .card { padding: 16px; } }