body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #f4f6f9;
  color: #333;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 0 20px;
}

header {
  text-align: center;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  color: white;
  padding: 30px 20px;
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: 1px;
}

header h3 {
  margin: 10px 0 0 0;
  font-weight: 300;
  opacity: 0.9;
}

.card {
  background: white;
  padding: 25px 30px;
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.card h2 {
  color: #1e3c72;
  margin-top: 0;
  border-bottom: 2px solid #eef2f5;
  padding-bottom: 10px;
}

.section-members ul {
  list-style: none;
  padding: 0;
}

.section-members li {
  padding: 8px 12px;
  background: #f8fafc;
  margin-bottom: 8px;
  border-left: 4px solid #2a5298;
  border-radius: 0 4px 4px 0;
}

.lab-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

.lab-table th,
.lab-table td {
  border: 1px solid #e2e8f0;
  padding: 12px 15px;
  text-align: left;
  vertical-align: top;
}

.lab-table th {
  background-color: #f1f5f9;
  color: #1e3c72;
  font-weight: 600;
}

.lab-table tbody tr:nth-child(even) {
  background-color: #f8fafc;
}

.sub-section {
  margin-bottom: 20px;
}

.sub-section h3 {
  color: #2a5298;
  margin-bottom: 8px;
}

ul {
  padding-left: 20px;
  margin: 5px 0;
}

li {
  margin-bottom: 5px;
}

footer {
  text-align: center;
  padding: 20px;
  color: #64748b;
  font-size: 0.9rem;
  margin-top: 30px;
}