:root {
  color-scheme: light;
  font-family: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #f7f9fc;
}

* { box-sizing: border-box; }

body {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 28px 20px 56px;
  background: #fff;
  font-size: 15px;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

#title-block-header { display: none; }
h3:first-of-type { margin-top: 0; text-align: center; font-size: 24px; }
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 14px; padding-left: 1.45em; }
li > p { margin: 0 0 7px; }
strong { color: #1f2937; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13px; }
th, td { border: 1px solid #dfe6ee; padding: 9px 7px; vertical-align: top; }
th { background: #e8f3ff; color: #1b86ff; }

@media (max-width: 420px) {
  body { padding: 22px 16px 48px; font-size: 14px; line-height: 1.8; }
  h3:first-of-type { font-size: 21px; }
}