body { font-family: "Microsoft YaHei", sans-serif; background: #f0f2f5; margin: 0; color: #333; line-height: 1.8; }
    a { text-decoration: none; color: #333; transition: 0.3s; }
    a:hover { color: #1890ff; }
    .container { width: 1100px; margin: 0 auto; }
    header { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.05); margin-bottom: 20px; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
    .logo { font-size: 24px; font-weight: bold; }
    .logo span { color: #1890ff; }
    nav ul { display: flex; list-style: none; padding: 0; }
    nav li { margin-left: 20px; }
    nav a.active { color: #1890ff; font-weight: bold; }
    
    .main-body { display: flex; gap: 20px; }
    .content-area { flex: 3; background: #fff; padding: 30px; border-radius: 4px; min-height: 600px; }
    .sidebar { flex: 1; }
    
    .widget { background: #fff; padding: 20px; margin-bottom: 20px; border-radius: 4px; }
    .widget h3 { border-left: 4px solid #1890ff; padding-left: 10px; font-size: 16px; margin-top: 0; }
    .widget ul { list-style: none; padding: 0; }
    .widget li { margin-bottom: 10px; border-bottom: 1px dashed #eee; padding-bottom: 5px; }
    
    h1 { font-size: 28px; border-bottom: 1px solid #eee; padding-bottom: 15px; }
    h2 { font-size: 22px; margin-top: 30px; }
    p.lead { font-size: 16px; color: #666; background: #f9f9f9; padding: 15px; border-radius: 5px; }
    blockquote { border-left: 4px solid #ccc; margin: 20px 0; padding: 10px 20px; background: #fafafa; color: #666; }
    .img-placeholder { width: 100%; height: 300px; background: #eee; display: flex; align-items: center; justify-content: center; color: #999; margin: 20px 0; border-radius: 4px; }
    
    .article-list .item { display: flex; margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 20px; }
    .item-img { width: 200px; height: 120px; background: #ddd; margin-right: 20px; border-radius: 4px; }
    .item-content h2 { margin-top: 0; font-size: 20px; }
    .tags span { background: #e6f7ff; color: #1890ff; padding: 2px 8px; font-size: 12px; border-radius: 2px; margin-right: 5px; }
    
    @media (max-width: 768px) { .container { width: 95%; } .main-body { flex-direction: column; } .item { flex-direction: column; } .item-img { width: 100%; height: 180px; margin-bottom: 10px; } }