body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 800px;
            margin: 0 auto;
            padding: 1rem;
        }
        
        header {
            border-bottom: 2px solid #eee;
            padding-bottom: 1rem;
            margin-bottom: 2rem;
        }
        
        header h1 a {
            text-decoration: none;
            color: #333;
        }
        
        nav {
            margin-top: 1rem;
        }
        
        nav a {
            margin-right: 1rem;
            color: #0066cc;
            text-decoration: none;
        }
        
        nav a:hover {
            text-decoration: underline;
        }
        
        main {
            margin-bottom: 2rem;
        }
        
        footer {
            border-top: 2px solid #eee;
            padding-top: 1rem;
            margin-top: 2rem;
            color: #666;
            font-size: 0.9rem;
        }
        
        article {
            margin-bottom: 3rem;
        }
        
        article header {
            border-bottom: none;
            margin-bottom: 1rem;
        }
        
        article h1 {
            margin-bottom: 0.5rem;
        }
        
        .post-date {
            color: #666;
            font-size: 0.9rem;
            display: block;
            margin-bottom: 1rem;
        }
        
        .post-content {
            margin-bottom: 2rem;
        }
        
        .post-content img {
            max-width: 100%;
            height: auto;
        }
        
        .related-posts {
            background-color: #f9f9f9;
            padding: 1rem;
            border-radius: 5px;
        }
        
        .related-posts h3 {
            margin-top: 0;
            margin-bottom: 0.5rem;
        }
        
        .post-list {
            list-style: none;
            padding: 0;
        }
        
        .post-item {
            margin-bottom: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #eee;
        }
        
        .post-item:last-child {
            border-bottom: none;
        }
        
        .post-item h2 {
            margin-bottom: 0.3rem;
        }
        
        .post-item h2 a {
            color: #0066cc;
            text-decoration: none;
        }
        
        .post-item h2 a:hover {
            text-decoration: underline;
        }
        
        .post-excerpt {
            margin-top: 1rem;
        }
        
        @media (max-width: 600px) {
            body {
                padding: 0.5rem;
            }
            
            .post-item {
                padding-bottom: 1rem;
                margin-bottom: 1rem;
            }
        }