:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --border: rgba(60, 60, 67, 0.18);
  --accent: #007aff;
  --surface: #f7f7f8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --fg: #f2f2f7;
    --muted: #9a9aa0;
    --border: rgba(84, 84, 88, 0.55);
    --accent: #0a84ff;
    --surface: #1c1c1e;
  }
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
h1 {
  font-size: 26px;
  line-height: 1.25;
  margin: 0 0 4px;
}
h2 {
  font-size: 20px;
  line-height: 1.3;
  margin: 40px 0 12px;
}
p {
  margin: 12px 0;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.meta {
  color: var(--muted);
  font-size: 15px;
  margin: 0 0 8px;
}
.lead {
  color: var(--muted);
  font-size: 16px;
}
ul {
  margin: 12px 0;
  padding-left: 22px;
}
li {
  margin: 6px 0;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}
th,
td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border: 1px solid var(--border);
}
th {
  background: var(--surface);
  font-weight: 600;
}
.table-wrap {
  overflow-x: auto;
}
@media (max-width: 600px) {
  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }
  thead {
    display: none;
  }
  tr {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 0 0 12px;
    padding: 4px 0;
  }
  td {
    border: none;
    padding: 8px 14px;
  }
  td:first-child {
    font-size: 17px;
    font-weight: 600;
    padding-bottom: 2px;
  }
  td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 2px;
  }
}
strong {
  font-weight: 600;
}
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}
footer {
  color: var(--muted);
  font-size: 14px;
  margin-top: 40px;
}