.dfcf-whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 99990;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25d366;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 4px 16px rgba(37, 211, 102, .45);
    transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.dfcf-whatsapp-float:hover,
.dfcf-whatsapp-float:focus-visible {
    background: #20bd5a;
    color: #ffffff;
    transform: scale(1.06);
    box-shadow: 0 6px 20px rgba(37, 211, 102, .55);
}

.dfcf-whatsapp-float:focus-visible {
    outline: 3px solid rgba(37, 211, 102, .45);
    outline-offset: 3px;
}

.dfcf-whatsapp-float svg {
    display: block;
    width: 28px;
    height: 28px;
    fill: currentColor;
}

@media (max-width: 680px) {
    .dfcf-whatsapp-float {
        right: 14px;
        bottom: 14px;
        width: 48px;
        height: 48px;
    }

    .dfcf-whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}