body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f7f7f9;
  color: #222;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 600px;
  margin: 60px auto;
  padding: 40px 32px;
  text-align: center;
}
.logo {
  width: 100px;
}
.experiment-list {
  list-style: none;
  padding: 0;
}
.experiment-list li {
  margin: 18px 0;
  font-size: 1.1em;
}
.experiment-list a {
  color: #1f3a93;
  text-decoration: none;
  font-weight: bold;
}
.desc {
  color: #888;
  margin-left: 8px;
  font-size: 0.95em;
}
.welcome-link {
  color: #1f3a93;
  text-decoration: none;
}
.welcome-link:hover {
  text-decoration: underline;
}