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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
  background-color: #f5f2eb;
}
.container {
  background-color: #ffffff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
h1 {
  color: #1a1a1a;
  font-size: 24px;
  margin-bottom: 24px;
  border-bottom: 2px solid #eaeaea;
  padding-bottom: 12px;
}
h2 {
  color: #2c3e50;
  font-size: 18px;
  margin-top: 32px;
  margin-bottom: 16px;
}
p {
  margin-bottom: 16px;
  color: #555;
}
ul {
  margin-bottom: 16px;
  padding-left: 24px;
}
li {
  margin-bottom: 8px;
  color: #555;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
th, td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}
th {
  background-color: #f8f9fa;
  font-weight: 600;
  color: #1a1a1a;
  text-align: center;
}
td {
  text-align: center;
}
.emphasize {
  font-weight: 600;
  color: #1a1a1a;
  margin-top: 20px;
  background-color: #f8f9fa;
  padding: 12px;
  border-radius: 6px;
  border-left: 4px solid #2c3e50;
}
@media (max-width: 600px) {
  .container { padding: 20px; }
  body { padding: 20px 10px; }
}