.copy_right {
    background-image: url(../../images/chatai/copy_right.jpg);
    width: 100%;
    background-position: top center;
    background-size: 100% 100%;
    height: 300px;
}
.copy_right_top_text{
    color: #FFFFFF;
    font-family: 微软雅黑;
    font-size: 30px;
    text-align: center;
    padding-top: 60px;
}
.copy_right_button {
    background-image: url(../../images/chatai/copy_right_button.png);
    width: 180px;
    height: 51px;
    display: block;
    margin: 40px auto;
    cursor: pointer;
}
.copy_right_text{
    color: #FFFFFF;
    font-family: 微软雅黑;
    font-size: 12px;
    text-align: center;
    line-height: 1.5;
}
@media (max-width: 767px) {
    .copy_right_top_text{
        padding-top: 30px;
    }
    .copy_right_button{
        margin: 20px auto;
    }
    .copy_right{
    height: 390px;
    }
}