body {
  font-family: "Segoe UI","Microsoft YaHei",sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f7f9fc;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
}

h1 {
  color: #2c3e50;
  margin-bottom: 20px;
  font-size: 2.2em;
  border-bottom: 2px solid #3498db;
  padding-bottom: 10px;
}

p.subtitle {
  color: #555;
  margin-top: -10px;
  margin-bottom: 30px;
  font-size: 1.1em;
}

.menu {
  max-width: 480px;
  margin: 0 auto;
  text-align: left;
  padding: 0;
  list-style: none;
}

.menu li {
  background: white;
  margin: 12px 0;
  padding: 14px 18px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.06);
  transition: all 0.2s ease;
  font-size: 1.05em;
}

.menu li:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.menu a {
  color: #1976d2;
  text-decoration: none;
  display: block;
  width: 100%;
}

footer {
  margin-top: 40px;
  text-align: center;
  font-size: 0.9em;
  color: #888;
}