body{

    font-size: 16px;
    font-family: "MicrosoftYaHei";
    background: #ecf7fe;
    color: #080808;
    background-image: url(../images/bg.png);
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position: center top;
}
.main{

    background-image: url(../../images/index/bg.jpg);
    background-size: 1920px auto;
    background-repeat: no-repeat;
    background-position: center top;

}
.center{width: 1100px;margin: 0 auto}
.layout {
    width: 100%;
    background: #F5F5F5 url(../images/zt_gknb_bg.png) center top no-repeat;
}

.zt {
    overflow: hidden;
}

.zt .hd {
    overflow: hidden;
}

.zt .hd span {
    display: block;
    margin: 85px 0;
    line-height: 50px;
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    color: #fff;
    font-family: "microsoft yahei";
}

.zt .bd {
    background-color: #fff;
    padding: 20px;
}

.category {
    margin-top: 20px;
}

.category .title {
    line-height: 40px;
    color: #2564d0;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    font-family: "microsoft yahei";
}

.dept-list {
    margin-left: -30px;
}
.dept-list ul:after{display: block;clear: both;content: ""}
.dept-list li {
    float: left;
    width: 260px;
    margin-top: 25px;
    margin-left: 10px;
}

.dept-list li a {
    line-height: 40px;
    display: block;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    text-align: center;
    margin: 0 auto;
}

@media (max-width:768px) {
    .center{
        width:100%;
    }
    .layout {
        background-size: cover;
    }

    .container {
        width: 100%;
        padding: 10px;
    }

    .zt .hd span {
        line-height: 36px;
        font-size: 36px;
        margin: 20px 0;
    }

    .zt .bd {
        padding: 10px;
    }

    .dept-list {
        margin: 0;
    }

    .dept-list li {
        width: 50%;
        margin: 0;
    }

    .dept-list li a {
        line-height: 36px;
        font-size: 14px;
        border: 0;
        border-radius: 0;
        text-align: left;
    }
}