body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: #f5f5f5;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.header h1 {
    margin: 0 0 10px 0;
    font-size: 2.5em;
}

.header p {
    margin: 0;
    opacity: 0.9;
    font-size: 1.1em;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card h2 {
    margin-top: 0;
    color: #333;
    font-size: 1.5em;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.card p {
    color: #666;
    line-height: 1.6;
}

.card a {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.2s;
}

.card a:hover {
    background: #5568d3;
}

.footer {
    text-align: center;
    color: #666;
    padding: 20px;
    margin-top: 30px;
}

.badge {
    display: inline-block;
    padding: 5px 10px;
    background: #e0e0e0;
    border-radius: 3px;
    font-size: 0.9em;
    margin: 5px 5px 0 0;
}