footer {
    background: #1b1b1b;
    width: 100%;
    height: 120px
}

.footer_top {
    width: 1200px;
    height: 82px;
    margin: 0 auto
}

footer .footer_txt {
    color: #999;
    line-height: 30px
}

footer .footer_left {
    float: left;
    margin: 10px
}

footer .footer_right {
    float: right;
    color: #999;
    width: 200px;
    height: 82px;
    line-height: 82px
}

    footer .footer_right a {
        color: #f9f9f9;
        margin-left: 10px
    }

    footer .footer_right .fa-yiban {
        width: 14px;
        height: 14px;
        background: url("../images/yiban_logo.png");
        background-size: 14px 14px;
        display: inline-block
    }

.footer_line {
    width: 100%;
    border-bottom: #eee 1px dashed
}

.footer_down {
    width: 1200px;
    height: 83px;
    margin: 0 auto
}

#back-top {
    position: fixed;
    width: 46px;
    height: 46px;
    bottom: 30px;
    right: 30px;
    background: url("../images/backTop.png");
    text-align: center;
    line-height: 60px;
    text-decoration: none;
    cursor: pointer;
    display: none
}