.header {
    width: 100%;
    height: 268px;
}

.logo {
    width: 100%;
    height: 218px;
    text-align: center;
    background: url('njbb_headbg_20191127.png')no-repeat center;
}

.logo img {
    width: 1920px;
    height: 218px;
    margin: 0 auto;
}

.nav {
    width: 100%;
    height: 50px;
    background: url('njbb_navbg_20191127.png')repeat-x;
}

.nav_center {
    width: 1080px;
    height: 50px;
    margin: 0 auto;
}

.nav_center ul {
    width: 770px;
    height: 50px;
    float: left;
}

.nav_center ul li {
    width: 110px;
    height: 50px;
    line-height: 50px;
    float: left;
    text-align: center;
}

.nav_center ul li a {
    display: block;
    width: 110px;
    height: 50px;
    line-height: 50px;
    color: #fff;
    font-size: 18px;
}

.nav_center ul li a:hover {
    color: #ffff00;
    background-color: #990000;
    text-decoration: none;
}

.seah {
    width: 262px;
    height: 28px;
    margin-top: 12px;
    float: right;
    margin-right: 18px;
}

.seah-con {
    width: 158px;
    height: 28px;
    color: #b1a9a9;
    float: left;
    border: none;
    border-radius: 4px;
    padding-left: 30px;
    background: url('seah-bj-20191127.png')no-repeat;
}

.search_button {
    width: 70px;
    height: 28px;
    float: right;
    border: none;
    color: #fff;
    font-size: 18px;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.6);
}


/* 底部 */

.footer {
    margin-top: 25px;
    width: 100%;
    height: 149px;
    background: url('njbb_footerbg_20191127.png')repeat-x;
}

.foot_center {
    width: 1080px;
    height: 149px;
    margin: 0 auto;
    position: relative;
}

.contact {
    font-size: 18px;
    width: 160px;
    margin: 0 auto;
    padding-top: 24px;
    overflow: hidden;
}

.contact ul li {
    width: 80px;
    height: 20px;
    line-height: 20px;
    float: left;
}

.contact a {
    font-size: 16px;
}

.foot_center p {
    font-size: 16px;
    line-height: 30px;
    font-family: "宋体";
    text-align: center;
}

.njszf_link {
    position: absolute;
    left: 40px;
    top: 44px;
}

.foot-dzjg {
    position: absolute;
    right: 42px;
    top: 34px;
}