body {
    background: url(./main_bg.png) no-repeat center center;
    background-size: 100% 100%;
}
.hd {
    width: 100%;
    height: 110px;
    background: #071e70;
}
.hd .w {
    height: 100%;
}
.hd .left {
    width: 290px;
    height: 74px;
    margin-top: 18px;
}
.hd .left .gh {
    width: 68px;
    height: 73px;
}
.left .zfmc {
    width: auto;
    height: 100%;
    margin-top: 5px;
    line-height: 34px;
}
.zfmc h3 {
    font-size: 28px;
    color: #fff;
    font-weight: bold;
}
.zfmc p {
    font-size: 16px;
    color: #fff;
}
.hd .nav {
    width: 880px;
    height: 100%;
}
.nav ul {
    width: 100%;
    height: 100%;
    /* padding-left: 15px; */
}
.nav li {
    width: 12.5%;
    height: 100%;
    line-height: 110px;
    text-align: center;
} 
/* .nav li:nth-child(8) {
    width: 9.5%;
} */
/* .nav li:nth-child(8):hover {
    background: url(./nav_xzxg_03.png) no-repeat bottom right;
    font-weight: bold;
} */
.nav li a {
    display: inline-block;
    width: 100%;
    height: 100%;
    font-size: 18px;
    color: #fff;
}
.nav li:hover a {
    color: #ffea00;

}
.nav li:hover {
    background: url(./nav_xzxg_03.png) no-repeat bottom center;
    font-weight: bold;
}