.zalo-button {
    position: fixed;
    bottom: 42px;
    right: 39px;
    ;
    display: flex;
    align-items: center;
    background-color: #ffffff;
    border-radius: 30px;
    padding: 8px 12px 8px 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    font-family: Arial, sans-serif;
    z-index: 9999;
}

.zalo-text {
    font-size: 16px;
    color: #0068FF;
    font-weight: bold;
    white-space: nowrap;
    padding-right: 10px;
}

.zalo-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #0068FF;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 1.8s infinite;
    position: relative;
    overflow: hidden;
}


/* Pulse hiệu ứng ánh sáng */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0.4);
    }

    70% {
        box-shadow: 0 0 0 12px rgba(0, 104, 255, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(0, 104, 255, 0);
    }
}