/* 暗黑色背景 + 粉色主题色 */
body {
  background-color: #121212;
  color: #ffffff;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background-color: #1e1e1e;
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav li {
  margin-right: 20px;
}

nav a {
  color: #ff69b4;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #ff8dc7;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  color: #ff69b4;
  text-align: center;
}

h2 {
  color: #ff69b4;
}

p {
  line-height: 1.6;
}

.footer {
  background-color: #1e1e1e;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  color: #aaa;
}