body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}

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

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

nav ul li {
  margin: 0 10px;
}

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

nav a:hover {
  color: #ff0000;
}

header {
  text-align: center;
}

/*.featured-works {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 5px;
}*/

.work-item {
  text-align: center;
  margin: 5px;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 10px;
}

/* 以下是自适应媒体查询部分 */
@media screen and (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav ul li {
    margin: 5px 0;
  }

 .featured-works {
    flex-direction: column;
    align-items: center;
  }

 .work-item {
    margin: 10px 0;
  }
}