.header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 6rem;
    z-index: 10000;
    padding: 0 10rem;
    display: flex;
    justify-content: space-between;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header_logo_box {
    width: 12rem;
}

.header_logo_box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header_language {
    display: flex;
    align-items: center;
    position: relative;
}

.header_language_logo {
    width: 1.5rem;
    height: 1.5rem;
}

.header_language_logo img {
    width: 100%;
    height: 100%;
}

.header_language_text {
    display: flex;
    align-items: center;
}

.header_language_text span {
    margin: 0 0.5rem;
}

.header_language_arrow {
    width: 1rem;
    height: 1rem;
    display: flex;
    align-self: center;
}

.header_language_arrow img {
    width: 100%;
    height: 100%;
}

.header_language_dropdown {
    position: absolute;
    left: 0;
    top: 4rem;
    background-color: #fff;
    color: #333;
    border-radius: 5px;
    box-shadow: 0 0 6px rgba(115, 115, 115, .2);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.5s;
}

.header_language:hover .header_language_dropdown {
    max-height: 1000px;
}

.header_language_dropdown_item {
    margin: 1rem;
}

.header_fixed {
    display: none;
    align-items: center;
}

.header_fixed_pic {
    width: 1.5rem;
    height: 1.5rem;
    cursor: pointer;
}

.header_fixed_pic img {
    width: 100%;
    height: 100%;
}

.header_navigation_box {
    display: flex;
    width: 50%;
}

.header_navigation_item {
    /* min-width: 1rem; */
    position: relative;
    overflow: hidden;
    display: flex;
    width: calc(100% / 7);
}

.fixed_link {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    position: absolute;
    white-space: nowrap;
    justify-content: center;
    transition: top 0.5s ease;
}

.fixed_top.fixed_link {
    top: -6rem;
    background-color: #f0f0f0;
    color: #333;
}

.fixed_center {
    top: 0;
}

.product_select_box {
    width: 100vw;
    max-height: 0;
    /* height: 0; */
    overflow: hidden;
    position: fixed;
    top: 6rem;
    left: 0;
    z-index: 1;
    transition: max-height 1s;
}

.product_select_div {
    padding: 2rem 10rem;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 1s;
    background-color: #fff;
}

.header_navigation_product:hover .product_select_box {
    max-height: 500px;
}

.header_navigation_product:hover .product_select_div {
    opacity: 1;
}

.product_select_left {
    width: 55%;
    font-size: 0.9rem;
    color: #333;
}

.product_select_box_right {
    width: 20rem;
    height: 10rem;
    overflow: hidden;
    border-radius: 5px;
    margin-left: 10%;
}

.product_select_box_right img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product_select_box_list {
    display: flex;
    flex-flow: wrap;
}

.product_select_left_title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.product_select_left_describe {
    margin-bottom: 1rem;
}

.product_select_item {
    min-width: 40%;
    padding: 0.8rem 0;
    border-bottom: 1px solid #e4e4e4;
    margin-right: 5%;
    position: relative;
}

.product_select_item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product_select_item a::after {
    display: block;
    content: "";
    width: 15px;
    height: 15px;
    background: url(/v2/d/images/diagonal.png) no-repeat;
    background-size: contain;
    background-position: center;
    transition: margin-right 0.5s ease;
    margin-right: 5%;
}

.product_select_item:hover a::after {
    background: url(/v2/d/images/arrow.png) no-repeat;
    background-size: contain;
    background-position: center;
    margin-right: 10%;
}

.product_select_item::after {
    content: '';
    width: 0%;
    height: 1px;
    background: #999;
    position: absolute;
    bottom: -1px;
    left: 0;
    transition: width 1s;
}

.product_select_item:hover::after {
    width: 100%;
}

.header_navigation_item:hover .fixed_top {
    top: 0;
}

.header_navigation_item:hover .fixed_center {
    top: 6rem;
}

.fixed_header_box {
    left: 100vw;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    position: absolute;
    background-color: rgba(0, 0, 0, 0.5);
}

.fixed_header_select_box {
    width: 80%;
    left: 100%;
    height: 100%;
    position: absolute;
    transition: left 1s;
    background-color: #fff;
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
}

.fixed_header_close {
    width: 100%;
    height: 6rem;
    display: flex;
    cursor: pointer;
    align-items: center;
    justify-content: end;
    padding-right: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.fixed_header_close img {
    width: 2rem;
    height: 2rem;
}

.header_select_box {
    padding: 2rem 10%;
    font-size: 1.2rem;
}

.header_select_item {
    padding: 1.2rem 5% 1.2rem 0;
    border-bottom: 1px solid #e1e1e1;
}

.header_select_item_content {
    display: flex;
    position: relative;
    align-items: center;
    justify-content: space-between;
}

.header_select_item_icon {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    transition: all 1s;
    transform: rotate(0deg);
}

.header_select_item_icon.rotated {
    transform: rotate(90deg);
}

.header_select_item_icon img {
    width: 100%;
    height: 100%;
}

.header_select_item_list {
    max-height: 0;
    overflow: hidden;
    transition: all 1s;
}

.header_select_item_list.rotated {
    max-height: 1000px;
}

.header_select_item_list_box {
    padding: 1rem;
}

.list_li {
    padding: 0.5rem 0;
}



@media (max-width: 899px) {
    .header {
        padding: 0 5rem;
    }

    .header_fixed {
        display: flex;
    }

    .header_navigation_box,
    .header_language {
        display: none;
    }
}