body {
    overflow: hidden;
}

.pop-i {
    left: 0;
    margin: 150px auto;
    width: 900px;
    height: 506px;
}

.pop-m {
    right: 0;
    background: url(../images/tc_banner.png) no-repeat top center;
    /*filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#7f000000,endColorstr=#7f000000);*/
    width: 100%;
    height: 100%;
    top: 0;
    position: fixed;
    z-index: 999999;
}

.pop-close {
    width: 100px;
    height: 100px;
    cursor: pointer;
    float: right;
    margin-top: -36px;
    margin-right: -21px;
}



@media screen and (max-width: 768px) {
    .pop-m {
        background: url(../images/pad.png) no-repeat top center;
        background-size: 100% auto;
    }

    .pop-i {
        margin: 40% auto;
        width: auto;
        height: auto;
    }

    .pop-i img {
        width: 100%;
    }

    .pop-close {
        position: fixed;
        width: 100%;
        height: 100%;
        cursor: pointer;
        float: left;
        margin: 0 0;
        top: 0;
        left: 0;
    }
}

@media screen and (max-width: 415px) {
    .pop-m {
        background: url(../images/phone.png) no-repeat top center;
        background-size: 100% auto;
    }

    .pop-i {
        margin: 55% auto;
    }
}

@media screen and (max-width: 375px) {
    .pop-m {
        background: url(../images/phonex.jpg) no-repeat top center;
        background-size: 100% auto;
    }

    .pop-i {
        margin: 65% auto;
    }
}