header {
    position: fixed;
    width: 100%;
    height: 90px;
    top: 0;
    z-index: 999;
}

header.active {
    background-color: #ffffff;
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.1);
}

header .logo {
    float: left;
    margin-top: 28px;
}

header .logo.white {
    display: block;
}

header.active .logo.white {
    display: none;
}

header .logo.gold {
    display: none;
}

header.active .logo.gold {
    display: block;
}

header ul {
    display: block;
    float: right;
}

header ul li {
    float: left;
    font-size: 18px;
    font-weight: 600;
    color: #FFFFFF;
    margin-left: 30px;
    line-height: 90px;
}
header.active ul li {
    color: #333333;
}

header ul li#changeLanguage {
    margin-top: 34px;
    width: 39px;
    height: 23px;
    border: 1px solid #FFFFFF;
    border-radius: 12px;

    text-align: center;
    line-height: 23px;
    font-size: 12px;
    font-weight: 300;
    cursor: pointer;
}
header.active ul li#changeLanguage {
    border-color: #666666;
}

header ul li.sub {
    position: relative;
}

header ul li.sub img {
    float: right;
    margin-left: 7px;
    height: 100%;
    transition: transform .5s;
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
}

header ul li.sub img.white {
    display: block;
}

header.active ul li.sub img.white {
    display: none;
}

header ul li.sub img.black {
    display: none;
}

header.active ul li.sub img.black {
    display: block;
}

header ul li.sub div {
    display: none;
    position: absolute;
    top: 67px;
    left: 0px;
    transition: transform .5s;
    padding: 0 15px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
}

/* hover  */
header ul li.sub:hover img {
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
}

header ul li.sub:hover div {
    display: block;
}

header ul li.sub div span {
    display: block;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 400;
    color: #333333;
    line-height: 45px;
    border-bottom: 1px solid #E8E8E8;
    cursor: pointer;
}