.wraper {
    width: 100%;
    margin: 0 auto;
    background: url(../images/navbg.jpg) repeat-x;
    
}

.nav {
    width: 100%;
    height: 70px;
    
}

.nav-item {
    position: relative;
    float: left;
    width: 170px;
    z-index: 1
}

.nav-item a {
    display: block;
    height: 70px;
    text-align: center;
    
    line-height: 70px;
    color: #fff;
    font-weight: bold;
    font-size: 16px;
}

.nav-item a:hover {
    color: #fff
}

.move-bg {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 170px;
    height: 70px;
    background: #333;
    z-index: 0
}
.minc{
    font-size:28px;
    line-height: 28px;
    color: #333;
    font-weight: bold;
    margin-top: 65px;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    

}
.minc:after {
    content: "";
    display: inline-block;
  background-color: rgb(133, 34, 32);
  box-shadow: 0px 1px 0px 0px rgba(228, 228, 228, 0.004);
  position: absolute;
  bottom: -30px;
  left: 0;
  width: 550px;
  height: 1px;
}