.clear{
    clear: both;
}
.head-bg_187{
    background-color: #fff;
    box-shadow: 0px 2px 4px 0px rgba(6, 0, 1, 0.3);
    -webkit-box-shadow: 0px 2px 4px 0px rgba(6, 0, 1, 0.3);
    z-index: 10;
}
.head-box_187{
    width: 1200px;
    margin: 0 auto;
}
.head-logo_187{
    width: 325px;
    height: 100px;
    float: left;
}
.head-logo_187 img{
    display: block;
    width: 100%;
}
.head-nva_187{
    float: right;
    height: 100px;
}
.head-nva_187 ul li{
    float: left;
    position: relative;
}
.head-nva_187 ul li a{
    display: block;
    padding: 31px 20px 30px;
}
.head-nva_187 ul li p{
    vertical-align: middle;
    text-align: center;
}
.head-nva_187 ul li p:first-child{
    font-size: 15px;
    color: #333;
}
.head-nva_187 ul li p:last-child{
    font-size: 12px;
    color: #999;
    font-family: arial;
    margin-top: 5px;
}
.head-nva_187 ul li.on, .head-nva_187 ul li:hover{
    background-color: #FF6100;
}
.head-nva_187 ul li.on a p, .head-nva_187 ul li:hover p{
    color: #fff;
}
.head-nva_187 ul li ul{
    position: absolute;
    width: 120px;
    background-color: #fa4c07;
    top: 110px;
    opacity: 0;
    z-index: 100;
}
.head-nva_187 ul li:hover ul{
    opacity: 1;
    top: 100px;
}
.head-nva_187 ul li ul li{
    width: 100%;
    border-bottom: 1px solid #FF6100;
}
.head-nva_187 ul li ul li:last-child{
    border: none;
}
.head-nva_187 ul li ul li a{
    padding: 10px;
    display: block;
    color: #fff;
}
.head-nva_187 ul li ul li:hover{
    background-color: #FF6100;
}