:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #ffffff;
  color: #1e1b4b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
}

.doc {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 24px 24px 44px;
  background: #ffffff;
}

.hero {
  padding-bottom: 18px;
  border-bottom: 1px solid #e2e8f0;
}

.brand {
  margin: 0 0 8px;
  color: #5b45d6;
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
  font-weight: 800;
}

.meta {
  margin: 10px 0 0;
  color: #8a94a6;
  font-size: 13px;
}

section {
  padding: 18px 0;
  border-bottom: 1px solid #eef2f7;
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.35;
}

p {
  margin: 0 0 10px;
  color: #4b5568;
  font-size: 15px;
  line-height: 1.8;
}