.footer_bottom{
    width: 1180px;
    overflow:hidden;
    margin: 0 auto 24px;
}
.footer_bottom a{
    display: block;
    float: left;
    width:89px;
    height:36px;
    margin-right: 10px;
}
.footer_bottom1{
    background: url(../images/product/footer_bottom1.png) center no-repeat;
}
.footer_bottom2{
    background: url(../images/product/footer_bottom2.png) center no-repeat;
}
.footer_bottom3{
    background: url(../images/product/footer_bottom3.png) center no-repeat;
}
.footer_bottom4{
    background: url(../images/product/footer_bottom4.png) center no-repeat;
}
.footer_bottom5{
    background: url(../images/product/footer_bottom5.png) center no-repeat;
}
.footer_bottom6{
    background: url(../images/product/footer_bottom6.png) center no-repeat;
}
.footer_bottom7{
    background: url(../images/product/footer_bottom7.png) center no-repeat;
}
.footer_bottom8{
    background: url(../images/product/footer_bottom8.png) center no-repeat;
}
.footer_bottom9{
    background: url(../images/product/footer_bottom9.png) center no-repeat;
}
.footer_bottom1:hover{
    background: url(../images/product/footer_bottom1_hover.png) center no-repeat;

}
.footer_bottom2:hover{
    background: url(../images/product/footer_bottom2_hover.png) center no-repeat;

}
.footer_bottom3:hover{
    background: url(../images/product/footer_bottom3_hover.png) center no-repeat;

}
.footer_bottom4:hover{
    background: url(../images/product/footer_bottom4_hover.png) center no-repeat;

}
.footer_bottom5:hover{
    background: url(../images/product/footer_bottom5_hover.png) center no-repeat;

}
.footer_bottom6:hover{
    background: url(../images/product/footer_bottom6_hover.png) center no-repeat;

}
.footer_bottom7:hover{
    background: url(../images/product/footer_bottom7_hover.png) center no-repeat;

}
.footer_bottom8:hover{
    background: url(../images/product/footer_bottom8_hover.png) center no-repeat;

}
.footer_bottom9:hover{
    background: url(../images/product/footer_bottom9_hover.png) center no-repeat;

}