.center {
    position: relative;
    margin: 0 auto;
    width: 1200px;
}

.nav-menu {
    position: relative;
    z-index: 2;
    height: 82px;
    width: 100%;
}

.nav-menu::before {
    position: absolute;
    top: 0;
    left: 50%;
    content: '';
    background: url(../images/menu-mask-bg.png) 50% 0 no-repeat;
    width: 1920px;
    height: 154px;
    margin-left: -960px;
    z-index: 1;
}

.nav-menu .logo {
    position: absolute;
    left: -50px;
    top: 10px;
}

.nav-menu > .center {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.nav-menu > .center > ul {
    padding-left: 200px;
    height: 100%;
}

.nav-menu > .center > ul li {
    position: relative;
    float: left;
    width: 160px;
    height: 100%;
    font-size: 18px;
    color: #fff;
    cursor: pointer;
    text-align: center;
    line-height: 82px;
}

.nav-menu > .center > ul li a {
    color: #fff;
}

.nav-menu > .center > ul li:hover a {
    color: #ffd489;
}

.nav-menu > .center > ul li::before {
    position: absolute;
    top: 50%;
    margin-top: -15px;
    width: 5px;
    height: 29px;
    background: url(../images/menu-icon.png) no-repeat;
    content: '';
}

.nav-menu > .center > ul li::before {
    left: -2px;
}

.nav-menu > .center > ul li:first-child::before {
    display: none;
}