@media screen and (max-width:820px){
    .content,.foot,.foot-t ul {
        width: 100%;
    }
    .foot-t ul {
        padding: 20px 0;
    }
    .foot-t ul li {
        margin: 10px 10px 10px 40px;
    }
    .ft-bs {
        display: block;
        text-align: center;
        margin: 20px 0;
    }
    .links {
        box-sizing: border-box;
        width: 100%;
    }
    .links a {width: 46%;}
}

@media screen and (max-width:480px){
    .foot-t ul li {
        width: 170px;
        margin: 10px 0 10px 12px;
    }
    .ft-txt {
        padding-left: 0;
        text-align: center;
    }
    .ft-txt ul li span {
        display: block;
    }
    .links a {
        width: 96%;
    }
}