body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    color: #333;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.news-category {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 1.5rem;
}

.news-category h2 {
    color: #4a3aff;
    margin-top: 0;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.article-link {
    display: block;
    padding: 1rem;
    margin: 1rem 0;
    background: #f8f9fa;
    border-radius: 8px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.article-link:hover {
    background: #e9ecef;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.article-content {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
    line-height: 1.7;
}

.article-content p {
    margin-bottom: 1rem;
    color: #555;
}

.article-link.expanded .article-content {
    display: block;
}

.article-link.expanded {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.article-date {
    color: #666;
    font-size: 0.9em;
    margin-top: 0.5rem;
}

.back-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: white;
    color: #4a3aff;
    text-decoration: none;
    border-radius: 5px;
    margin: 1rem;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: #4a3aff;
    color: white;
}

.featured-article {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-top: 2rem;
}

.featured-article h2 {
    color: #4a3aff;
    margin-top: 0;
}

.featured-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: #4a3aff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.featured-link:hover {
    background: #3a2ad9;
    transform: translateY(-2px);
}