.header_box {
    width: 100%;
    padding: calc(3px + 1rem) 0;
    background-color: #ffffff;
}

.header {
    max-width: 1400px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_logo {
    width: calc(10px + 10rem);
}

.header_logo img {
    width: 100%;
}

.header_nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: calc(8px + 4rem);
}

.nav_item {
    position: relative;
}

.nav_item p {
    font-family: OPPOSans-M;
    font-weight: normal;
    font-size: calc(8px + 0.5rem);
    color: #333333;
    transition: .5s;
}


.header_nav .nav_active p {
    color: #E39651;

}

.header_nav .nav_active .nav_line {
    width: 100%;
}

.nav_item:hover p {
    color: #E39651;
}
.lang{
    color: #888888;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: calc(0px + 0.25rem);
}

.lang a{
    font-size: calc(6px + 0.5rem);
    color: #888888;
    font-family: OPPOSans-R;
}