header{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 142px;
    z-index: 999;
    background: url(../imgs/header.png) no-repeat center top;
    background-size: 100% 100%;
}
header.fixed{
    position: fixed;
}
header .up{
    height: 35px;
    line-height: 35px;
    text-align: right;
    color: #fff;
    font-size: 14px;
    background: #005BAB;
}
header .up a{
    color: #fff;
    opacity: 0.68;
}
header .up a:hover{
    opacity: 1;
}
header .up span{
    margin: 0 10px;
    opacity: 0.68;
}
header form{
    position: relative;
    display: inline-flex;
    margin-left: 10px;
}
header input[type='text']{
    width: 134px;
    line-height: 20px;
    padding-right: 25px;
    color: #fff;
    background: transparent;
    border-bottom: 1px solid rgba(255,255,255,0.38);
}
header input[type='submit']{
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 20px;
    background: url(../imgs/search.png) no-repeat;
}

header .logo{
    position: absolute;
    left: 50%;
    top: 0;
    margin-left: -126px;
    transition: .3s;
}
.fixed .logo{
    transform: scale(0.8);
    transform-origin: center top;
}

.menu{
    padding-top: 10px;
}
.menu li{
    position: relative;
    float: left;
}
.menu li>a{
    color: #fff;
    font-size: 18px;
    display: block;
    width: 148px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}
.menu li:hover>a{
    background: #005BAB;
    border-radius: 10px 10px 0 0;
}
.menu dl{
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(0,0,0,.6);
    transform: scaleY(0);
    transform-origin: center top;
    transition: .3s;
}
.menu dl a{
    display: block;
    line-height: 50px;
    color: #fff;
    font-size: 16px;
    text-align: center;
}
.menu dl a:hover{
    background: #007aff;
}
.menu li:hover dl{
    transform: scaleY(1);
}

.footer, .footer2{
    position: relative;
    z-index: 2;
}


@media screen and (max-width: 768px) {
    header{
        display: none;
    }
}