/* ====== 极简中心对齐，大标题 + 多段介绍 ====== */
body {
  margin: 0;
  padding: 0;
  font-family: "KaiTi", "STKaiti", serif;
  background: #fdfaf6;
  color: #333;
}
.navbar {
  background: #d2b48c; /* 浅棕色导航栏 */
  padding: 10px 20px;
}
.navbar ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  justify-content: flex-start;
}
.navbar li {
  margin-right: 20px;
}
.navbar a {
  color: #5a3e1b;
  text-decoration: none;
  font-weight: bold;
}
/* 页面主体 */
.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  text-align: center; /* 整体居中 */
}
.container h1 {
  font-size: 42px;
  color: #5a3e1b;
  margin-bottom: 20px;
}
.intro-text {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 30px;
  text-align: justify; /* 段落两端对齐 */
}
.content-block {
  margin-bottom: 30px;
  text-align: left; /* 内容块左对齐 */
}
.content-block h2 {
  font-size: 28px;
  color: #8b4513;
  margin-bottom: 15px;
  border-bottom: 1px solid #d2b48c;
  padding-bottom: 5px;
}
.content-block p {
  line-height: 1.8;
  text-align: justify;
}
.image-showcase {
  margin-top: 40px;
}
.masterpiece-img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border: 2px solid #d2b48c;
  border-radius: 4px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.masterpiece-img:hover {
  transform: scale(1.03); /* 放大特效 */
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.image-caption {
  margin-top: 10px;
  font-size: 14px;
  color: #666;
}
/* 底部版权 */
.footer {
  text-align: center;
  font-size: 12px;
  color: #999;
  padding: 20px;
}

/* ====== 响应式设计 ====== */
@media (max-width: 768px) {
  .navbar ul {
    flex-direction: column;
    align-items: center;
  }
  
  .navbar li {
    margin: 5px 0;
  }
  
  .container {
    margin: 20px 10px;
    padding: 15px;
  }
  
  .container h1 {
    font-size: 32px;
  }
  
  .intro-text {
    font-size: 16px;
  }
  
  .content-block h2 {
    font-size: 22px;
  }
  
  .masterpiece-img {
    max-width: 400px;
  }
}

@media (max-width: 480px) {
  .container {
    margin: 10px 5px;
    padding: 10px;
  }
  
  .container h1 {
    font-size: 24px;
  }
  
  .intro-text {
    font-size: 14px;
  }
  
  .content-block h2 {
    font-size: 18px;
  }
  
  .content-block p {
    font-size: 14px;
  }
  
  .masterpiece-img {
    max-width: 300px;
  }
  
  .image-caption {
    font-size: 12px;
  }
}