.responsive-example p::first-line {
    font-size: 1.1em;
    color: #2563eb;
    font-weight: 500;
}

@media (max-width: 768px) {
    .responsive-example p::first-line {
        font-size: 1em;
        color: #dc2626;
        font-weight: 600;
    }
}