* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "微软雅黑 Light", "Microsoft YaHei", sans-serif;
  background-color: #b6e7db;
  line-height: 1.5;
  min-height: 100vh;
}

/* 导航栏响应式设计 */
.nav-container {
  width: 100%;
  padding: 10px 20px;
  box-sizing: border-box;
  position: relative;
}

nav {
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  border: 1px solid #eee;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 8px 0;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  font-family: 'Segoe UI', sans-serif;
}

nav a {
  color: #007bff;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color 0.2s, color 0.2s;
  white-space: nowrap;
  margin: 2px;
}

nav a:hover {
  background-color: #f2f2f2;
  color: #0056b3;
}

/* 文章页面专用样式 */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.article-header {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid #007bff;
}

.article-title {
  font-size: 2.5em;
  color: #333;
  margin-bottom: 10px;
}

.article-meta {
  color: #666;
  font-size: 1em;
  margin-bottom: 20px;
}

.article-content {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  line-height: 1.8;
  font-size: 1.1em;
}

.article-content h2 {
  color: #007bff;
  margin: 30px 0 15px 0;
  font-size: 1.5em;
}

.article-content h3 {
  color: #333;
  margin: 25px 0 10px 0;
  font-size: 1.3em;
}

.article-content p {
  margin-bottom: 15px;
  color: #444;
}

.article-content code {
  background: #f8f9fa;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  color: #e83e8c;
}

.article-content pre {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 20px 0;
  border-left: 4px solid #007bff;
}

.article-content pre code {
  background: none;
  padding: 0;
  color: #333;
}

.article-content ul, .article-content ol {
  margin: 15px 0;
  padding-left: 30px;
}

.article-content li {
  margin-bottom: 8px;
}

.warning-box {
  background: #fff3cd;
  border: 1px solid #ffeaa7;
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
}

.success-box {
  background: #d4edda;
  border: 1px solid #c3e6cb;
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
}

.info-box {
  background: #d1ecf1;
  border: 1px solid #bee5eb;
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
}

.error-box {
  background: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 8px;
  padding: 15px;
  margin: 20px 0;
}

.back-to-column {
  text-align: center;
  margin: 30px 0;
}

.back-to-column a {
  display: inline-block;
  padding: 12px 24px;
  background: #007bff;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.back-to-column a:hover {
  background: #0056b3;
}

/* 页脚 */
footer {
  text-align: center;
  font-size: 14px;
  margin: 40px 0 20px 0;
  color: #666;
  padding: 0 20px;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .nav-container {
    padding: 10px;
  }
  
  nav {
    flex-direction: column;
    padding: 10px;
  }
  
  nav a {
    width: 100%;
    text-align: center;
    margin: 2px 0;
  }
  
  .article-container {
    padding: 15px;
  }
  
  .article-title {
    font-size: 2em;
  }
  
  .article-content {
    padding: 20px;
    font-size: 1em;
  }
  
  .article-content h2 {
    font-size: 1.3em;
  }
  
  .article-content h3 {
    font-size: 1.1em;
  }
  
  .article-content pre {
    padding: 10px;
    font-size: 0.9em;
  }
  
  footer {
    padding: 0 10px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 8px;
  }
  
  nav {
    padding: 8px;
  }
  
  nav a {
    padding: 10px 15px;
    font-size: 14px;
  }
  
  .article-container {
    padding: 10px;
  }
  
  .article-title {
    font-size: 1.8em;
  }
  
  .article-content {
    padding: 15px;
    font-size: 0.95em;
  }
  
  .article-content pre {
    padding: 8px;
    font-size: 0.85em;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .article-container {
    max-width: 700px;
  }
}

@media (min-width: 1200px) {
  .nav-container {
    padding: 15px 30px;
  }
  
  .article-container {
    padding: 30px;
  }
  
  .article-content {
    padding: 40px;
  }
}

@media (min-width: 1600px) {
  .nav-container {
    padding: 20px 40px;
  }
  
  .article-container {
    max-width: 900px;
    padding: 40px;
  }
}