.osbg {
    z-index: 99999;
    display: none;
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
}

.osbg_inside {
    width: 94%;
    max-width: 960px;
    min-height: 25vh;
    overflow: hidden;
    margin: 3% auto;
    padding: 0px;
    background: var(--c3);
    position: relative;
    color: var(--c1);
    font-weight: 400;
    font-size: 1.1em;
    border-radius: 3px;
    text-align: center;
}

.osbg_inside input {
    background: none;
    border: 1px solid darkgray;
    padding: 5px;
    color: var(--c4);
    font-weight: 600;
    width: 98%;
    margin: 1%;
    border-radius: 7px;
    margin-bottom: 12px;
}

.osbg_inside input:focus {
    outline: none;
    border: 1px solid #2ea5cc;
    box-shadow: 0 0 2pt 2pt #2ea5cc;
}

.hide_os {
    position: absolute;
    top: 0;
    right: 15px;
    color: darkgray;
    font-size: 1.8em;
    cursor: pointer;
    transition: all 0.5s;
}

.hide_os:hover {
    color: var(--c7);
    transform: scale(1.05);
}

.send_os2 {
    position: relative;
    cursor: pointer;
    text-transform: uppercase;
    color: #fff;
    background: var(--c4);
    border: 2px solid var(--c4);
    padding: 10px 32px;
    transition: all 0.4s;
}

.send_os2:hover {
    background: #090909;
    color: #000;
    border: 2px solid #090909;
}

.os_result {
    clear: both;
    background: none;
    color: var(--c4);
}

.os_progress {
    display: none;
}

.waoslink {
    color: var(--c3);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease-in;
}

.waoslink:hover {
    color: var(--c4);
}

.waoslink i {
    margin-right: 5px;
}

#os {
    position: fixed;
    bottom: 40px;
    right: 40px;
    transform: translate(-50%, -50%);
    background: var(--c7);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    color: var(--c1);
    text-align: center;
    line-height: 82px;
    font-size: 36px;
    cursor: pointer;
    z-index: 199;
}

#os:before,
#os:after {
    content: " ";
    display: block;
    position: absolute;
    border: 50%;
    border: 1px solid var(--c7);
    left: -20px;
    right: -20px;
    top: -20px;
    bottom: -20px;
    border-radius: 50%;
    animation: animate 1.5s linear infinite;
    opacity: 0;
    backface-visibility: hidden;
}

#os:after {
    animation-delay: 0.5s;
}

.ospreview {
    background: url("/img/os.webp") no-repeat;
    background-position: center;
    background-size: cover;
}

.os_txt {
    color: #777;
    text-wrap: balance;
}

.os_txt a {
    text-decoration: underline;
}

@keyframes animate {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

@media only screen and (max-width: 767px) {
    #os {
        position: fixed;
        bottom: 12px;
        right: 20px;
        transform: translate(-50%, -50%);
        border-radius: 50%;
        width: 51px;
        height: 51px;
        text-align: center;
        line-height: 53px;
        font-size: 28px;
        cursor: pointer;
        z-index: 999;
    }

    .osbg {
        background: var(--c3);
    }

    .osbg_inside h4 {
        font-size: 1.4em;
    }
}