* { box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #2c3e50;
  margin: 0;
  line-height: 1.8;
  background: #fafafa;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 26px; line-height: 1.4; margin: 8px 0 16px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
p, li { font-size: 16px; }
a { color: #2471a3; }
.back { display: inline-block; margin-bottom: 8px; font-size: 14px; }
.cards { display: grid; gap: 12px; }
.card {
  display: block; background: #fff; border: 1px solid #e3e3e3; border-radius: 10px;
  padding: 16px; text-decoration: none; color: #2c3e50;
}
.card strong { font-size: 18px; display: block; margin-bottom: 4px; }
.card span { color: #666; font-size: 14px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: #fff; font-size: 14px; }
th, td { border: 1px solid #ddd; padding: 6px 8px; text-align: center; white-space: nowrap; }
th { background: #f0f3f5; }
footer.site-footer {
  margin-top: 40px; padding-top: 16px; border-top: 1px solid #e3e3e3;
  font-size: 13px; color: #888; text-align: center; line-height: 1.7;
}
footer.site-footer p { margin: 0; font-size: 13px; }
footer.site-footer a { color: #888; }