.copyright {
    margin: 0 auto;
    width: 100%;
    height: auto;
    background: #232840;
    border-top: 1px #2c3151 solid;
}.copyright_ctr {
    margin: 0 auto;
    width: 1200px;
    height: auto;
    line-height: 52px;
    display: flex
;
    flex-direction: row;
    justify-content: space-between;
    color: #aaa;
}
.copyright_ctr a {
    color: #aaa;
}.footer {
    margin: 0 auto;
    width: 100%;
    height: auto;
    background: #232840;
}.footer_ctr {
    margin: 0 auto;
    width: 1200px;
    height: auto;
    padding: 30px 0;
    display: flex
;
    flex-direction: row;
    justify-content: space-between;
}.footer_ctt {
    width: 180px;
    height: auto;
    display: flex
;
    flex-direction: column;
}.footer_title {
    margin-bottom: 10px;
    width: 100%;
    height: 50px;
    line-height: 40px;
    font-size: 20px;
    color: #fff;
    border-bottom: 1px #2c3151 solid;
}.footer_txt {
    width: 100%;
    height: 40px;
    display: flex
;
    flex-direction: row;
    align-items: center;
}.footer_txt a {
    color: #bbb;
}.footer_tel_ctr {
    width: 270px;
    height: auto;
    display: flex
;
    flex-direction: column;
}.footer_tel {
    width: 100%;
    height: 50px;
    line-height: 40px;
    font-size: 20px;
    color: #fff;
    text-align: right;
    white-space: nowrap;
}
.footer_pic_ctr {
    width: 100%;
    height: auto;
    display: flex
;
    flex-direction: row;
    justify-content: space-between;
}
.footer_pic {
    width: 120px;
    height: auto;
}.footer_pic img {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

/* float tip */
.right_ctr {
    width: 70px;
    height: auto;
    border-radius: 35px;
    background: #fff;
    box-shadow: 0 0 1px #bbb;
    position: fixed;
    right: 20px;
    bottom: 50px;
    z-index: 99;
}.right_ctt {
    width: 100%;
    height: auto;
    border-bottom: 1px #eee solid;
    background: #fff;
    padding: 12px 0;
    display: flex
;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    color: #666;
    font-size: 14px;
}.right_ctt .span {
    margin-top: 2px;
}.right_ctt i {
    font-size: 26px;
    color: #008aef;
}