.header {
    position: relative;
    width: 100%;
    height: 1rem;
    background: #FFFFFF;
    box-shadow: 0rem 0.03rem 0.06rem 0.01rem rgba(0, 0, 0, 0.16);
    z-index: 999;
}

.header .main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header_logo {
    width: 2.09rem;
    height: 0.69rem;
}

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

.header_box {
    display: flex;
    align-items: center;
    height: 100%;
}

.header_box ul {
    display: flex;
    align-items: center;
    gap: 0.64rem;
    height: 100%;
}

.header_nav {
    position: relative;
    /* height: 100%; */
}

.header_nav_a {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.16rem;
    color: #000000;
    line-height: 1rem;
    position: relative;
    height: 100%;
    white-space: nowrap;
}

.header_nav_a::before {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -0.18rem;
    width: 0.08rem;
    height: 0.08rem;
    background: var(--c);
    border-radius: 50%;
    opacity: 0;
    transition: 0.3s;
}

.header_nav:hover .header_nav_a,
.header_nav_active .header_nav_a {
    font-weight: bold;
}

.header_nav:hover .header_nav_a::before,
.header_nav_active .header_nav_a::before {
    opacity: 1;
}

.product_nav {
    position: static;
}

.product_down {
    position: absolute;
    /*background: #F2F2F2;*/
    background: #ECEFF7;
    opacity: 95%;
    width: 100%;
    left: 0;
    top: 1rem;
    padding: 0.68rem 0;
    display: none;
}

.product_down_main {
    max-width: 12rem;
    width: 95%;
    margin: 0 auto;
    display: flex;
    gap: 0.4rem;
}

.product_down_left {
    width: 3.72rem;
    height: fit-content;
    background: #FFFFFF;
    border-radius: 0.1rem;
    padding: 0.26rem 0.15rem 0.43rem 0.15rem;
}

.product_down_left_box_head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 0.49rem;
    border-radius: 0.05rem;
    padding: 0 0.24rem 0 0.21rem;
    transition: 0.3s;
    cursor: pointer;
}

.product_down_left_box_head p {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.16rem;
    color: #000000;
}

.product_down_left_box_head img {
    width: 0.12rem;
    height: 0.12rem;
    transform: rotate(180deg) translateX(100%);
    opacity: 0;
    transition: 0.3s;
}

.product_down_left_box_head_active {
    background: #E6EEFF;
}

.product_down_left_box_head_active img {
    transform: rotate(180deg) translateX(0);
    opacity: 1;
}

.product_down_left_box_body {
    padding: 0 0.24rem 0 0.21rem;
    display: none;
}

.product_down_left_box_body a {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.14rem;
    color: #9A9A9A;
    line-height: 0.35rem;
    width: 100%;
    height: fit-content;
}

.product_down_left_box_body a:hover {
    color: #000000;
}

.product_down_right_content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.33rem 0.27rem;
    width: 7.9rem;
}

.product_down_right_box {
    width: 2.45rem;
    height: 2.38rem;
    background: #FFFFFF;
    border-radius: 0.1rem;
    transition: 0.3s;
}

.product_down_right_box_img {
    width: 2.45rem;
    height: 1.72rem;
    overflow: hidden;
}

.product_down_right_box img {
    width: 100%;
    height: 100%;
    transition: 0.5s;
}

.product_down_right_box_p {
    display: flex;
    align-items: center;
    height: 0.66rem;
    padding: 0 0.15rem;
}

.product_down_right_box p {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.16rem;
    color: #000000;
}

.product_down_right_box:hover {
    box-shadow: 0rem 0rem 0.2rem 0.01rem rgba(0, 0, 0, 0.15);
}

.product_down_right_box:hover img {
    transform: scale(1.1);
}

.product_down_right_box:hover p {
    color: var(--c);
}

.header_contact {
    width: fit-content;
    padding: 0 0.21rem;
    height: 0.35rem;
    background: var(--c);
    border-radius: 0.05rem;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.16rem;
    color: #FFFFFF;
    line-height: 0.35rem;
    text-align: center;
    margin: 0 0.32rem 0 0.58rem;
}

.earth {
    width: 0.2rem;
    height: 0.2rem;
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.language {
    display: flex;
    align-items: center;
    gap: 0.14rem;
    margin-left: 0.12rem;
    position: relative;
    height: 100%;
    cursor: pointer;
}

.language_p1 {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.18rem;
    color: #000000;
}

.language img {
    width: 0.09rem;
    height: 0.05rem;
}

.language_down {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: fit-content;
    background: #fff;
    z-index: 99;
    padding: 0.1rem 0.2rem 0.2rem 0.2rem;
    display: none;
    border-radius: 0 0 0.1rem 0.1rem;
}

.language_down_p {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.18rem;
    color: #000000;
    width: 100%;
    text-align: center;
    transition: 0.3s;
}

.language_down_p:hover {
    color: var(--c);
}

.box {
    position: fixed;
    width: 0.63rem;
    top: 4.46rem;
    right: 0;
    z-index: 999999;
}

.box .box_con {
    display: flex;
    flex-direction: column;
    width: 0.63rem;
    height: 2rem;
    background: #FFFFFF;
    box-shadow: 0 0 0.06rem 0.01rem rgba(0, 0, 0, 0.16);
    border-radius: 0.1rem 0 0 0.1rem;
    padding-left: 0.12rem;
    padding-right: 0.11rem;
    box-sizing: border-box;
}

.box .box_con .box_item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    flex: 1;
    border-bottom: 0.01rem solid #E5E5E5;
    cursor: pointer;
}

.box .box_con .box_item:last-child {
    border: none;
}

.box .box_con .box_item img {
    display: block;
    width: auto;
    height: 0.27rem;
}

.box .box_con .box_item:nth-child(3) img {
    width: 0.17rem;
    height: 0.2rem;
}

.box_btn {
    position: fixed;
    bottom: 0.4rem;
    right: 0.63rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.62rem;
    height: 0.62rem;

    box-shadow: 0 0 0.1rem 0.01rem rgba(0, 0, 0, 0.16);
    background: #FFFFFF;
    border-radius: 50%;
    cursor: pointer;
}

.box_btn img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    width: 0.39rem;
    height: 0.29rem;
    transition: all 0.3s;
}

.box_btn img.img2 {
    opacity: 0;
}

.box_btn:hover {
    background: #12A3FD;
}

.box_btn:hover img.img2 {
    opacity: 1;
}

.box_btn:hover img.img1 {
    opacity: 0;
}