/* 极简线框风格 */
:root {
    --primary: #000000;
    --secondary: #333333;
    --light: #ffffff;
    --dark: #000000;
    --accent: #ff0000;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', monospace;
  }
  
  body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
    border: 2px solid var(--dark);
    margin: 10px;
  }
  
  /* 线框头部 */
  .wireframe-header {
    border-bottom: 2px solid var(--dark);
    padding: 20px;
    position: relative;
  }
  
  .header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }
  
  .site-title {
    font-size: 24px;
    font-weight: bold;
    text-transform: uppercase;
    border: 2px solid var(--dark);
    padding: 10px 20px;
  }
  
  /* 线框导航 */
  .wireframe-nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .wireframe-nav a {
    color: var(--dark);
    text-decoration: none;
    font-weight: bold;
    padding: 10px;
    border: 2px solid var(--dark);
    display: block;
  }
  
  .wireframe-nav a:hover {
    background: var(--dark);
    color: var(--light);
  }
  
  /* 线框内容区 */
  .main-content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
  }
  
  /* 线框文章网格 */
  .article-wireframe {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
  }
  
  .wireframe-card {
    border: 2px solid var(--dark);
    padding: 20px;
    position: relative;
  }
  
  .wireframe-card:before {
    content: attr(data-index);
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--light);
    padding: 0 10px;
    font-weight: bold;
  }
  
  .card-image-container {
    height: 200px;
    border: 2px solid var(--dark);
    margin-bottom: 20px;
    overflow: hidden;
  }
  
  .card-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .card-title {
    font-size: 18px;
    margin-bottom: 15px;
    text-transform: uppercase;
    font-weight: bold;
  }
  
  .card-meta {
    display: flex;
    justify-content: space-between;
    border-top: 2px solid var(--dark);
    padding-top: 15px;
    margin-top: 15px;
  }
  
  /* 线框分类标题 */
  .section-headline {
    font-size: 24px;
    text-transform: uppercase;
    margin: 40px 0 20px;
    position: relative;
    padding-bottom: 10px;
  }
  
  .section-headline:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--dark);
  }
  
  /* 线框分页 */
  .wireframe-pagination {
    display: flex;
    justify-content: center;
    margin: 40px 0;
    gap: 10px;
  }
  
  .wireframe-pagination a {
    display: inline-block;
    padding: 10px 20px;
    border: 2px solid var(--dark);
    text-decoration: none;
    color: var(--dark);
    font-weight: bold;
  }
  
  .wireframe-pagination a:hover {
    background: var(--dark);
    color: var(--light);
  }
  
  /* 线框文章详情 */
  .wireframe-article {
    border: 2px solid var(--dark);
    padding: 30px;
    margin: 40px 0;
  }
  
  .article-header {
    margin-bottom: 30px;
  }
  
  .article-title {
    font-size: 28px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: bold;
  }
  
  .article-meta {
    display: flex;
    justify-content: space-between;
    border-top: 2px solid var(--dark);
    border-bottom: 2px solid var(--dark);
    padding: 15px 0;
    margin-bottom: 30px;
  }
  
  .article-image {
    border: 2px solid var(--dark);
    margin: 30px 0;
    overflow: hidden;
  }
  
  .article-image img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .article-content {
    line-height: 1.8;
  }
  
  .article-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border: 2px solid var(--dark);
  }
  
  .article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 2px solid var(--dark);
  }
  
  .article-navigation a {
    color: var(--dark);
    text-decoration: none;
    font-weight: bold;
    border: 2px solid var(--dark);
    padding: 10px 20px;
  }
  
  .article-navigation a:hover {
    background: var(--dark);
    color: var(--light);
  }
  
  /* 线框友情链接 */
  .wireframe-links {
    border: 2px solid var(--dark);
    padding: 30px;
    margin: 40px 0;
  }
  
  .links-title {
    font-size: 24px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: bold;
  }
  
  .links-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
  }
  
  .links-container a {
    display: block;
    padding: 10px;
    border: 2px solid var(--dark);
    text-decoration: none;
    color: var(--dark);
    text-align: center;
  }
  
  .links-container a:hover {
    background: var(--dark);
    color: var(--light);
  }
  
  /* 线框页脚 */
  .wireframe-footer {
    border-top: 2px solid var(--dark);
    padding: 30px;
    text-align: center;
  }
  
  .copyright {
    font-weight: bold;
  }
  
  /* 响应式设计 */
  @media (max-width: 768px) {
    .header-container {
      flex-direction: column;
      gap: 20px;
    }
    
    .wireframe-nav ul {
      justify-content: center;
    }
    
    .article-wireframe {
      grid-template-columns: 1fr;
    }
    
    .wireframe-article {
      padding: 20px;
    }
    
    .article-title {
      font-size: 22px;
    }
    
    .article-meta {
      flex-direction: column;
      gap: 10px;
    }
    
    .links-container {
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
  }