:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  color: #20212a;
  background: #f6f4ef;
  line-height: 1.65;
}

* { box-sizing: border-box; }
body { margin: 0; padding: 32px 18px 64px; }
main {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 6vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(32, 33, 42, 0.08);
  border-radius: 28px;
  box-shadow: 0 18px 60px rgba(50, 48, 68, 0.08);
}
header { display: flex; align-items: center; gap: 18px; margin-bottom: 30px; }
.icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 18px; background: #6467f2; font-size: 28px; }
h1 { margin: 0; font-size: clamp(30px, 6vw, 44px); line-height: 1.15; }
h2 { margin: 0 0 8px; font-size: 20px; }
p, ul { margin: 0; }
section { margin-top: 30px; }
.eyebrow { color: #6467f2; font-weight: 700; letter-spacing: .04em; }
.lead { color: #4c4d59; font-size: 18px; }
.updated { margin-top: 34px; color: #858693; font-size: 14px; }
hr { margin: 48px 0; border: 0; border-top: 1px solid #e8e6e1; }
a { color: #5559df; }
.button { display: inline-block; margin-top: 24px; padding: 12px 20px; border-radius: 14px; color: white; background: #6467f2; font-weight: 700; text-decoration: none; }
nav { margin-top: 42px; }
li + li { margin-top: 8px; }