.zx_nav {
    overflow: hidden;
    background: #fff;
    padding: 0px 0px 3px 0px;
    border-bottom: 1px solid #d2d2d2;
}
ol, ul, li {
    list-style: none;
}
.zx_nav ul li {
    float: left;
    width: 25%;
    text-align: center;
    padding-bottom: 8px;
}
.zx_nav ul li.zx_01 {
    background: url(../img/cj_19.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_02 {
    background: url(../img/cj_07.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_03 {
    background: url(../img/cj_09.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_04 {
    background: url(../img/cj_17.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_05 {
    background: url(../img/cj_03.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_06 {
    background: url(../img/cj_05.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_07 {
    background: url(../img/cj_15.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li.zx_08 {
    background: url(../img/cj_16.png) center 10px no-repeat;
    background-size: 50px 50px;
}
.zx_nav ul li a {
    width: 50px;
    font-size: 12px;
    color: #9d9d9d;
    padding-top: 64px;
    display: block;
    margin: 0 auto;
}