* { box-sizing: border-box; }
body {
  margin: 0;
  background: #f8f9fa;
  color: #191c1d;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: #4f378a; font-weight: 800; }
.article {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 80px;
}
.back {
  display: inline-flex;
  margin-bottom: 36px;
  color: #6f6a76;
  text-decoration: none;
  font-size: 14px;
}
.kicker {
  margin: 0 0 12px;
  color: #4f378a;
  font-size: 14px;
  font-weight: 900;
}
h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: 0;
}
.lead {
  margin: 24px 0 40px;
  color: #4d4854;
  font-size: 19px;
  line-height: 1.9;
}
h2 {
  margin: 38px 0 12px;
  font-size: 25px;
  line-height: 1.35;
}
p {
  margin: 0 0 18px;
  color: #4d4854;
  font-size: 16px;
  line-height: 1.9;
}
.cta {
  margin-top: 46px;
  padding: 28px;
  border-radius: 18px;
  background: #e9ddff;
}
.cta a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border-radius: 999px;
  background: #4f378a;
  color: #fff;
  text-decoration: none;
}
@media (max-width: 640px) {
  .article {
    width: min(100% - 28px, 820px);
    padding-top: 34px;
  }
}