.support_davmedia {
    right: 24px;
    position: fixed;
    display: flex;
    z-index: 99999999;
    top: 30%;
    flex-direction: column;
    gap: 8px;
}

.support_davmedia div {
    border-radius: 90px;
    border: 2px solid var(--Gradient-Multiple-Aurora-Stroke, #D4FBF1);
    background: var(--Color-White-alpha-Whtie-100, #FFF);
    box-shadow: 4px 4px 8px 0px rgb(43 96 203 / 10%);
    display: flex;
    align-items: center;
    justify-content: center;
    align-content: center;
    width: 60px;
    height: 60px;
    padding: 10px;
}

.support_davmedia div.sodienthoai {
    border-radius: 90px;
    border: 2px solid var(--Gradient-Multiple-Aurora-Stroke, #D4FBF1);
    background: var(--Grandient-Blue-2, linear-gradient(94deg, #0062B3 0%, #5CB8E8 100%));
    box-shadow: 4px 4px 8px 0px rgba(43, 96, 203, 0.10);
}


/* Mobile */
@media (max-width: 768px) {
    
    .support_davmedia {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;

        width: 100%;
        padding: 10px 15px;

        display: flex;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;

        background: #fff;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.08);

        gap: 0;
    }

    .support_davmedia div {
        width: 52px;
        height: 52px;
        padding: 8px;
    }

    /* Nút điện thoại nổi bật hơn */
    .support_davmedia .sodienthoai {
        transform: translateY(-15px);
        width: 60px;
        height: 60px;
        box-shadow: 0 4px 15px rgba(0,98,179,0.3);
        position: relative;
    }

    /* Thanh nhỏ phía trên nút gọi */
    .support_davmedia .sodienthoai::before {
        content: "";
        position: absolute;
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 35px;
        height: 4px;
        border-radius: 10px;
        background: #000;
    }
}