.wp{ width: 1100px; padding: 0; margin: 0 auto;}

.header img{
    width: 100%;
}

.nav{
    background: #005fbe;
    width: 1100px;
    margin: 0 auto;
    margin-bottom: 15px;
    margin-top: 5px;
}
.nav .wp{
    width: 897px;
}
.nav ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.nav li{
    position: relative;
}


.nav li h2{
    font-size: 16px;
    line-height: 40px;
    color: #fff;
    position: relative;
    text-align: center;
    z-index: 2;
    transition: .5s;
    margin-block-start: 0;
    margin-block-end: 0;
}
.nav li h2 a{
    display: block;
    color: #fff;
    font-size: 15px;
}
.nav li h2:after {
    content: "";
    position: absolute;
    left: -23px;
    right: -23px;
    top: 0;
    bottom: 100%;
    background: #fff;
    opacity: 0;
    visibility: hidden;
    z-index: -1;
    transition: .5s;
}
.nav li.on h2:after, .nav li:hover h2:after {
    opacity: 1;
    visibility: visible;
    bottom: 1px;
}
.nav li.on h2,.nav li:hover h2,.nav li:hover h2 a{
    color: #000;
    font-weight: 700;
}
.nav li .sub{
    position: absolute;
    top: 100%;
    background: #fff;
    width: 140px;
    left: 50%;
    z-index: 10000;
    transform: translateX(-50%) scaleY(0);
    visibility: hidden;
    filter: alpha(opacity=0);
    -moz-opacity: 0;
    -khtml-opacity: 0;
    opacity: 0;
    transition: .5s;
    transform-origin: top;
    box-shadow: 0 0 60px rgba(0,0,0,.1);
}

.nav  li .sub .box {
    padding: 0;
    text-align: center;
}

.nav  li .sub a {
    display: block;
    padding: 8px 10px;
    line-height: 28px;
    transition: .6s;
    font-size: 14px;
    color: #666666;
    text-align: center;
}

.nav li .sub a:hover {
    color: #fff;
    background: #029292;
}

.nav li:hover .sub {
    filter: alpha(opacity=100);
    -moz-opacity: 1;
    -khtml-opacity: 1;
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scaleY(1);
}