.colabora { background: var(--bg); }

.bizum-box {
    text-align: center;
    margin-top: 32px;
}
.bizum-box img {
    max-width: 380px;
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}
.bizum-box img:hover { transform: scale(1.03); }