@keyframes NavItem {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.navbar-nav .cur a {
    color: #EEE18F !important;
    font-family: 'AlibabaPuHuiTi-65', sans-serif !important;
}

.navbar-nav .cur a::after {
    display: block !important;
}

.navbar-nav .nav-item a {
    color: #fff;
    transition: 500ms;
}

.navbar-nav .nav-item {
    position: relative;
}

.navbar-nav .nav-item:hover a::after {
    display: block;
}

.navbar-nav .nav-item a::after {
    content: '';
    width: 18px;
    height: 14px;
    background-image: url('../../icon/cur.png');
    background-size: 100% 100%;
    position: absolute;
    bottom: -7px;
    display: none;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: NavItem 500ms forwards;
    z-index: 99;
}