.head_nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    display: block;
}


.container {
    width: 95%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.top-banner-img {
    width: 100vw;
}

[hidden] {
    display: none !important;
}

.lv1 {
    position: relative;
    justify-content: flex-start;
    flex-wrap: wrap;
    display: flex;
}

.head_nav .container .lv1 {
    margin-left: 20vw;
}

.lv1_li {
    list-style: none;
    box-sizing: inherit;
    width: 7vw;
    margin-left: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 2px solid transparent;
}

.lv1_link {
    font-size: 18px;
    line-height: 18px;
    margin: 0 10px;
    display: inline-block;
    padding: 35px 0;
    position: relative;
    color: #ffffff;
    white-space: nowrap;
}

.active {
    color: #408bcd;
}

.lv1 .active::after {
    content: '';
    display: inline-block;
    width: 8vw;
    height: 2px;
    position: absolute;
    bottom: 0;
    background-color: #408bcd;
}

.hover {
    border-bottom: 2px solid #408bcd;
}

.lv2 {
    position: absolute;
    top: 65%;
    justify-content: flex-start;
    align-items: center;
    padding: 20px 0;
    display: none;
    flex-direction: column;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

ul li a {
    text-decoration: none;
}

.lv2_li {
    min-width: 5vw;
    padding-left: 16px;
    padding-right: 16px;
    color: white;
    margin-top: 1vh;
}

.lv2_link {
    font-size: 16px;
    color: white;
}

.nav_atv {
    background-color: white;
}

.nav_link {
    color: black;
}

.lv2 {
    color: #ffffff !important;
}

.nav_lv2 {
    color: black;
}


.nav_lv2::after {
    background-color: white;
    content: '';
    display: inline-block;
    position: absolute;
    width: 200vw;
    height: 100%;
    top: 0;
    left: -100vw;
    z-index: -1
}

.logo_link {
    display: flex;
    position: absolute;
}

.logo-right {
    margin-top: 1vh;
}

.logo-text {
    display: block;
    margin-left: 1vw;
    line-height: 3vh;
    color: white;
    font-weight: bold;
    font-family: BLACK;
}