body {
  font-family: "Georgia", "Times New Roman", serif;
  background: #f9f7f3;
  color: #222;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

nav {
  background-color: #333;
  color: white;
  padding: 10px 20px;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
}

nav li {
  margin: 0 15px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

header {
  text-align: center;
  background-color: #333;
  color: white;
  padding: 50px 20px;
}

h1 {
  margin: 0 0 20px;
  font-size: 3em;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-weight: normal;
  letter-spacing: 0.5px;
}

img {
  max-width: 90%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

main {
  max-width: 820px;
  margin: auto;
  padding: 40px 20px;
}

h2 {
  color: #333;
  margin-top: 50px;
  font-family: "Palatino Linotype", "Book Antiqua", serif;
  font-weight: normal;
  letter-spacing: 0.5px;
  border-bottom: 1px solid #ddd;
  padding-bottom: 4px;
}

.pdf-box {
  margin: 20px auto 50px;
  width: 90%;
  max-width: 900px;
  height: 600px;
  border: 2px solid #ccc;
  border-radius: 8px;
  background: white;
}

iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

a {
  color: #003355;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 1.2em;
}

footer {
  margin-top: 4em;
  font-size: 0.9em;
  color: #666;
  text-align: center;
}