:root {
  --ink: #17343b;
  --muted: #5d6f8f;
  --line: #dde7f6;
  --blue: #1666d9;
  --navy: #06164c;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #f5f9ff;
  color: var(--ink);
  font:
    16px/1.7 -apple-system,
    system-ui,
    'Segoe UI',
    Inter,
    sans-serif;
}
header {
  background: var(--navy);
  padding: 14px max(16px, calc((100% - 820px) / 2));
}
header a {
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.02em;
}
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 26px 16px 60px;
}
h1 {
  font-size: 30px;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 8px 0 6px;
  color: var(--navy);
}
h2 {
  font-size: 20px;
  margin: 30px 0 8px;
  color: var(--navy);
}
p,
li {
  color: #34495e;
}
.meta {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 20px;
}
ul {
  padding-left: 22px;
}
li {
  margin: 5px 0;
}
a {
  color: var(--blue);
}
.box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 18px;
  margin: 16px 0;
}
footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 16px 40px;
  color: var(--muted);
  font-size: 13px;
}
footer a {
  margin-right: 14px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}
th,
td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
th {
  background: #eaf3ff;
}