body {
  font-family: Arial, sans-serif;
  background: #f4f8fb;
  margin: 0;
  padding: 0;
  color: #333;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
}

h1.main-title {
  text-align: center;
  color: #007BFF;
  margin-bottom: 20px;
}

h2, h3, h4 {
  color: #333;
  margin-top: 30px;
}

p {
  line-height: 1.7;
  text-align: justify;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table, th, td {
  border: 1px solid #ccc;
}

th, td {
  padding: 12px;
  text-align: left;
}

th {
  background-color: #007BFF;
  color: white;
}

.back-link {
  text-align: center;
  margin-top: 30px;
}

.back-link a {
  text-decoration: none;
  background: #007BFF;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  transition: 0.3s;
}

.back-link a:hover {
  background: #0056b3;
}