* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
            padding: 20px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        h1 {
            text-align: center;
            margin-bottom: 30px;
            color: #2c3e50;
        }
        .article-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .article-column {
            flex: 1;
            min-width: 300px;
        }
        .article-card {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 20px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .article-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #3498db;
        }
        .article-meta {
            font-size: 0.9rem;
            color: #7f8c8d;
            margin-bottom: 15px;
        }
        .article-excerpt {
            color: #555;
            margin-bottom: 15px;
        }
        .read-more {
            display: inline-block;
            color: #3498db;
            text-decoration: none;
            font-weight: bold;
        }
        .read-more:hover {
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .article-grid {
                flex-direction: column;
            }
        }