*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1f2937;
  background-color: #ffffff;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #111827;
  margin: 0 0 1rem;
  line-height: 1.3;
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: #111827;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e5e7eb;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #374151;
  margin: 1.5rem 0 0.75rem;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.375rem;
}

li > ul,
li > ol {
  margin-top: 0.375rem;
  margin-bottom: 0;
}

strong {
  font-weight: 600;
  color: #111827;
}

em {
  color: #4b5563;
}

a {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: #1d4ed8;
}

hr {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 2rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9375rem;
}

table th,
table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid #e5e7eb;
  vertical-align: top;
}

table th {
  background-color: #f9fafb;
  font-weight: 600;
  color: #111827;
}

table tr:nth-child(even) td {
  background-color: #fafafa;
}

@media (max-width: 640px) {
  body {
    padding: 1.25rem 1rem 2rem;
    font-size: 15px;
  }

  h1 {
    font-size: 1.5rem;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}