.footer{
    display: flex;
    margin-top: 40px;
    padding: 20px;
}
.footer>div{
    flex:1;
}
.footer p{
    color: rgb(135, 135, 135);
    font-size: 14px;
    margin-bottom: 10px;
}
.footer .strong{
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 30px;
    color: #000;
}
.footer>div:nth-child(1){
    flex: 2;
}
.footer .logo{
    padding-right: 80px;
    margin-bottom: 30px;
}
.footer .logo>img{
    height: 28px;
    vertical-align: middle;

}
.footer .logo>span{
    font-size: 22px;
    font-weight: bold;
    vertical-align: middle;
}
.footer .qrcode img{
    width: 160px;
    height: 160px;
}
.copy-right{
    padding: 20px;
    border-top:rgb(239, 239, 239) solid 1px;
}
.copy-right p{
    color: rgb(135, 135, 135);
    font-size: 14px;
    margin-bottom: 10px;
}
.copy-right p a{
    color: rgb(135, 135, 135);
    font-size: 14px;
    margin-bottom: 10px;
}
/* 手机屏幕 */
@media screen and (max-width: 767px) {
    .footer{
        display: block;
    }
    .footer>div:nth-child(2),
    .footer>div:nth-child(3),
    .footer>div:nth-child(4),
    .footer>div:nth-child(5){
        display: inline-block;
        width: calc(50% - 20px);
        height: 180px;
        margin-top: 20px;
        vertical-align: middle;
    }
}