/* 导航开始 */
.dh {

    width: 100%;
    height: 50px;
    background: rgba(49, 135, 175, 0.8);
    border-top: 1px solid #68afd1;
    /* position: absolute;
    z-index: 2; */
}


.content {
    width: 1300px;
    margin: 0 auto;
}


.content-li {
    float: left;
    /* padding: 0 50px; */
    list-style-type: none;
    line-height: 50px;
    text-align: center;
    position: relative;
    width: 180px;

}

/* .content-li:hover{
    background-color: #68afd1;
} */

.content ul li a {
    color: #fff;
    font-size: 18px;
}
.content-li:hover .rjul{
    display: block;
}
.rjul{
display: none;
position: absolute;
z-index: 2;
width: 100%;
/* left: 0; */
}
.rjli{


    list-style-type: none;
    float: none;
    background: #4087a7;
    line-height: 42px;
    margin: 0;
    border-bottom: 1px solid rgba(125,167,168,.8);
    width: 180px;
}
.rjli:hover{
    background:#fff;
}
.rjli:hover a{
    color:#4087a7;

}
/* 导航结束 */