* {
    margin: 0;
    padding: 0;
    list-style-type: none;
    box-sizing: border-box;
}

.nav_conent {
    width: 100%;
    max-width: 1200px;
    height: 55px;
    margin: 0 auto;
    z-index: 999999;
}

div.nav {
    width: 100%;
    height: 55px;
    text-align: center;
    font-size: 12px;
    position: relative;
    margin: 0 auto;
    box-sizing: border-box;
}

ul.nav-main {
    flex: 1;
    height: 55px;
    list-style-type: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0 20px;

}

ul.nav-main li.nav_tit {
    text-align: center;
    position: relative;
    flex: 1;
    height: 55px;
}

ul.nav-main li.nav_tit a:nth-child(1) {
    font-size: 17px;
    color: #fff;
    line-height: 55px;
    text-decoration: none;
}

ul.nav-main li.nav_tit a:nth-child(1) img {
    width: auto;
    height: 30px;
    display: block;
    margin: 19px auto 0 auto;
}

ul.nav-main>li {
    flex: 1;
    height: 55px;
    display: block;
    font-size: 18px;
    color: #fff;
}

ul.nav-main>li:hover {
    background: rgba(255, 255, 255, 0.2);
}

ul.nav-main li.nav_tit.active {
    background: rgba(255, 255, 255, 0.2);
}
/* 没有下拉菜单 */
div.hidden-box1 {
    width: 0%;
    height: 40px;
    background: #e8f2fc;
    position: absolute;
    left: 0;
    top: 55px;
    display: none;
    z-index: 9999;
}

/* 没有下拉菜单 */
div.hidden-box {
    width: 100%;
    height: 40px;
    background: #e8f2fc;
    position: absolute;
    left: 0;
    top: 55px;
    display: none;
    z-index: 9999;
}

.hidden-box>ul {
    list-style: none;
    display: flex;
    align-items: center;
    height: 100%;
    margin: 0;
    padding: 0;
    position: absolute;
    top: 0;
}

.hidden-box>ul li {
    height: 100%;
    line-height: 40px;
    display: block;
    float: none;
    overflow: hidden;
    text-align: center;
}

.hidden-box>ul li a {
    padding: 0 20px;
    height: 100% !important;
    line-height: 40px !important;
    font-size: 16px !important;
    display: inline-block;
    overflow: hidden;
    color: #2b7cd3 !important;
    text-decoration: none;
    font-weight: normal;
}

.hidden-box>ul li a:hover {
    background: #2b7cd3;
    color: #fff !important;
}

ul.nav-main li.nav_tit:hover .hidden-box {
    display: block;
}

ul.nav-main .hzwz {
    width: 100%;
    height: 40px;
    margin: 0 auto;
    position: static;
    box-sizing: border-box;
}