body {
  margin: 0;
  font-family: Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;   /* 提升可读性 */
  background: #f7f7f7;
  color: #333;
}

/* 导航栏 */
nav {
  background: #2c3e50;
  padding: 10px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}
nav ul {
  list-style: none;
  text-align: left;
  margin: 0;
  padding: 0;
}
nav ul li {
  display: inline;
  margin: 0 20px;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}
nav ul li a:hover {
  text-decoration: underline;
}

/* 页面内容 */
section {
  padding: 100px 20px;
  min-height: 100vh;
}
.container {
  max-width: 800px;
  margin: auto;
  text-align: left;
}

/* 个人照片 */
.profile-pic {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
}

/* 生活照片相册 */
.gallery {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}
.gallery img {
  width: 300px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 页脚 */
footer {
  background: #2c3e50;
  color: white;
  text-align: center;
  padding: 15px 0;
}