.header {
    width: 100%;
    height: 12rem;
    background: linear-gradient(0, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.7) 100%);
    /* background: rgba(0, 0, 0, 0.3); */
    padding: 0 7.2rem;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 999;
}

.header .logo {

    height: 8rem;

    background-size: 100% 100%;
}

.header .logo img {

    height: 8rem;
}

/* nav */
.nav {
    display: flex;
}

.nav>li {
    padding: 0 1.4rem;
    text-align: center;
    height: 12rem;
    position: relative;
}

.nav>li.nav-active::after {
    width: 50%;
    left: 25%;
}

.nav>li::after {
    content: '';
    width: 0;
    height: 0.2rem;
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transition: all ease 0.3s;
    background: #fff;
}

.nav>li:hover::after {
    width: 50%;
    left: 25%;
}

.nav>li.nav-active>a,
.nav>li:hover>a {
    font-size: 1.8rem;
    font-weight: 700;
}

.nav>li>a {
    display: inline-block;
    position: relative;
    width: 100%;
    height: 12rem;
    line-height: 12rem;
    color: #fff;
    font-size: 1.6rem;
    transition: all ease 0.3s;
}

.dropdown-menu {
    height: 0;
    width: 100%;
    position: absolute;
    top: 12rem;
    left: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
    overflow: hidden;
}

.dropdown-menu>li {
    position: relative;
}

.dropdown-menu>li>a {
    width: 100%;
    height: 4rem;
    text-align: center;
    transition: all ease 1s;
    line-height: 4rem;
    font-size: 1.6rem;
    color: #fff;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    padding: 0 0.3rem;
    z-index: 999;
    position: relative;
}

.dropdown-menu>li .mline {
    width: 0%;
    background: #932024;
    height: 4rem;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 0;
}

.header-nav {
    display: flex;
}

.header-right {
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 1.6rem;
    position: relative;
    padding-left: 1.6rem;
}

.header-right::before {
    content: '';
    width: 0.2rem;
    height: 1.2rem;
    position: absolute;
    left: 0;
    top: calc(50% - 0.6rem);
    background: #fff;
}

.header-right .search {
    margin: 0 1.6rem;
    cursor: pointer;
}

.fadeInDown {
    animation: fadeInDown 0.5s ease;
}

@keyframes fadeInDown {
    0% {
        transform: translateY(-5rem);
        opacity: 0;
    }

    100% {
        transform: translateY(0);
        opacity: 1;
    }
}
.header-right-moblie {
    display: none;
}

.m-nav {
    display: none;
}