.header {
    width: 100%;
    height: 100px;
}

.header .header-container {
    width: 100%;
    height: 100px;
}

.header-container img {
    width: 219px;
    height: auto;
}

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

.header-nav .header-nav-ul-li>a {
    line-height: 100px;
}

.header-nav .header-nav-ul-li>a::before {
    content: '';
    width: 100%;
    height: 2px;
    background-color: #4941b9;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.header-nav .header-nav-ul-li .down-nav {
    position: absolute;
    width: 150px;
    right: 0;
    top: 100px;
}


.header-nav .header-nav-ul-li:hover>a::before {
    opacity: 1;
}

.header-nav .header-nav-ul-li .icon {
    transition: all 0.5s ease;
}

.header-nav .header-nav-ul-li:hover .icon {
    transform: rotate(180deg);
}

.header-nav .header-nav-ul-li:hover .down-nav {
    display: block;
}

.menu-btn {
    display: none;
}

.header-down-nav {
    display: none;
}

.footer-container {
    background-color: #211747;
}

.footer-right .footer-ul {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-right .footer-ul li {
    width: 120px;
}



@media (max-width:830px) {
    .header {
        width: 100%;
        height: 80px;
        transition: background 0.5s ease-in-out;
    }

    .header .header-container {
        width: 100%;
        height: 80px;
    }

    .header-container img {
        width: 150px;
        height: auto;
    }

    .header-nav {
        display: none;
    }

    .menu-btn-open {
        display: block;

    }

    .menu-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: background 0.5s ease-in-out;
    }


    .menu-btn-open .icon {
        font-size: 30px;

    }

    .menu-btn:hover {
        background: #ededf0;
    }

    .menu-btn-close {
        display: none;
    }

    .menu-btn-close .icon {
        font-size: 21px;
    }

    .header-down-nav {
        display: block;
        width: 100%;
        height: 0px;
        overflow: hidden;
        background-color: #fff;
        border-top: 1px solid #16161b14;
        transition: height 0.5s ease-in-out;
        z-index: 99;
        position: relative;
    }

    .active {
        background: #fff;
    }

    .active .menu-btn-open {
        display: none;
    }

    .active .menu-btn-close {
        display: flex;
    }

    .active .header-down-nav {
        height: calc(100vh - 80px);
    }

    .header-down-nav-ul>li {
        line-height: 60px;
        width: 100%;
        border-bottom: 1px solid #16161b14;

    }

    .header-down-btn {
        height: 60px;
        line-height: 60px;
        width: 100%;
    }

    .header-down-box {
        height: 0px;
        overflow: hidden;
        transition: height 0.5s ease-in-out;
    }

    .header-down-box ul li {
        height: 50px;
        line-height: 50px;
        width: 100%;
        border-bottom: 1px solid #16161b14;
    }

    .header-down-nav-ul .show .header-down-box {
        height: 100px;
    }

    .header-down-icon .icon {
        transition: all 0.5s ease;
    }

    .show .header-down-icon .icon {
        transform: rotate(180deg);
    }
}

@media (max-width:768px) {
    .footer-right .footer-ul {
        display: flex;
        flex-direction: column;
        align-items: flex-start;

    }
}

.scroll-header {
    position: fixed;
    top: 0px;
    left: 0px;
    background: #fff !important;
    animation: fadeInDown 0.5s ease-in-out;
    transition: background 0.5s ease-in-out;
    z-index: 99;
}

@keyframes fadeInDown {
    0% {
        top: -100px;
    }

    100% {
        top: 0px;
    }
}