body {
  margin: 0;
  padding: 0;
  background: #eeeeee;
  color: #222222;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  background: white;
  min-height: 100vh;
}

header {
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid #cccccc;
}

.banner {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

h1 {
  margin: 1.2rem 1rem 0.3rem;
  font-size: 2.4rem;
  font-weight: normal;
}

.date {
  margin: 0 1rem 1.2rem;
  font-size: 1.1rem;
  color: #555555;
}

nav {
  margin: 1rem 0 0;
  padding: 0.8rem;
  border-top: 1px solid #dddddd;
}

nav a {
  display: inline-block;
  margin: 0 0.6rem;
  padding: 0.3rem 0.2rem;
  color: #003366;
  text-decoration: none;
  font-size: 1rem;
}

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

nav a.active {
  font-weight: bold;
  border-bottom: 2px solid #003366;
}

main {
  padding: 2rem 3rem;
}

h2 {
  font-size: 1.8rem;
  font-weight: normal;
  border-bottom: 1px solid #dddddd;
  padding-bottom: 0.4rem;
}

h3 {
  margin-top: 1.8rem;
  font-size: 1.3rem;
}

footer {
  text-align: center;
  color: #666666;
  font-size: 0.9rem;
  padding: 2rem;
  border-top: 1px solid #dddddd;
}

.conference-info {
  background: #f7f7f7;
  padding: 1rem 1.5rem;
  border-left: 4px solid #003366;
  margin-bottom: 2rem;
}

.conference-info p {
  margin: 0.4rem 0;
}

.committee-list {
  columns: 2;
  column-gap: 3rem;
}

@media (max-width: 700px) {
  .committee-list {
    columns: 1;
  }
}