body {
    line-height: 1.7;
}

.container {
    max-width: 800px;
}

.header {
    padding: 20px 0;
    margin-bottom: 30px;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-title {
    font-size: 1.5em;
    font-weight: 300;
    margin-bottom: 10px;
}

.site-title a {
    color: white;
    text-decoration: none;
}

.site-title a:hover {
    opacity: 0.8;
}

.breadcrumb {
    font-size: 0.9em;
    opacity: 0.8;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.article-container {
    background: white;
    padding: 50px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.article-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #ecf0f1;
}

.article-title {
    font-size: 2.2em;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 600;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: #5a6c7d;
    font-size: 0.95em;
}

.article-tags {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.tag {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85em;
}

.article-content {
    font-size: 1.05em;
    line-height: 1.8;
}

.article-content h2 {
    color: #2c3e50;
    font-size: 1.6em;
    margin: 40px 0 20px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid #ecf0f1;
}

.article-content h3 {
    color: #34495e;
    font-size: 1.3em;
    margin: 30px 0 15px 0;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content code {
    background: #f8f9fa;
    color: #e74c3c;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
}

.article-content pre {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 25px 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    line-height: 1.5;
}

.article-content pre code {
    background: none;
    color: #ecf0f1;
    padding: 0;
}

.article-content ul, .article-content ol {
    padding-left: 25px;
    margin-bottom: 20px;
}

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

.article-content blockquote {
    border-left: 4px solid #3498db;
    background: #f8f9fa;
    margin: 25px 0;
    padding: 15px 20px;
    font-style: italic;
    color: #5a6c7d;
}

.navigation {
    background: white;
    padding: 25px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    margin-bottom: 30px;
}

.back-to-home {
    background: #34495e;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95em;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s ease;
}

.back-to-home:hover {
    background: #2c3e50;
}

@media (max-width: 768px) {
    .article-container {
        padding: 25px;
    }
    
    .article-title {
        font-size: 1.8em;
    }
    
    .article-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .article-content {
        font-size: 1em;
    }
    
    .article-content h2 {
        font-size: 1.4em;
    }
    
    .article-content h3 {
        font-size: 1.2em;
    }
}