* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue",
    "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #1b1c1c;
  background: #faf9f9;
  padding: 16px 16px 32px;
}

.doc {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  padding: 20px 16px 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

h1 {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: #b71423;
  margin-bottom: 8px;
}

.meta {
  font-size: 13px;
  color: #5f5e5e;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e8e4e4;
}

h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 20px 0 10px;
  color: #1b1c1c;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 14px 0 8px;
}

p {
  margin-bottom: 10px;
  text-align: justify;
}

ul,
ol {
  margin: 0 0 12px 20px;
}

li {
  margin-bottom: 6px;
}

strong {
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  margin: 12px 0 16px;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  border: 1px solid #e8e4e4;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f5f3f3;
  font-weight: 600;
  white-space: nowrap;
}

.placeholder {
  color: #b71423;
  font-weight: 600;
}

.footer-note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #e8e4e4;
  font-size: 13px;
  color: #5f5e5e;
}

.site-icp {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
}

.site-icp a {
  color: #5f5e5e;
  text-decoration: none;
}

.site-icp a:hover {
  color: #b71423;
}