:root{
    --introduce-bg-image: linear-gradient(to bottom, var(--root-bg-color) 25%, #fff 100%);
}

.page {
    display: flex;
    flex-direction: column;
}

.page .page-header {
    flex: 0 0 auto;
}

.page .page-header .page-header-top {
    background-color: var(--root-bg-color);
}

.page .page-main {
    width: 100%;
    flex: 1 1 0;
}

.product {
    position: relative;
    background-image: var(--root-bg-image);
}

.product .position-bg {
    width: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.product-content {
    max-width: var(--page-main-max-width);
    width: 100%;
    margin: auto !important;
    padding-bottom: 100px;
    position: relative;
    z-index: 1;
}

.product-content .product-header-title {
    padding: 200px 0;
}

.product-content .product-header-title>h1 {
    font-size: 72px;
    color: #fff;
    text-shadow: 5px 5px rgba(0, 0, 0, .6);
    padding-bottom: 20px;
}

.product-content .tabs {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0 1px;
    position: relative;
    margin-bottom: 10px;
}

.product-content .tabs li {
    height: 80px;
    font-size: 24px;
    text-align: center;
    line-height: 80px;
    background-color: rgba(0, 0, 0, .6);
    transition: all .3s ease;
}

.product-content .tabs li a {
    color: #fff;
    display: block;
    height: 100%;
}

.product-content .tabs li:hover {
    background-color: var(--tabs-hover-bg);
}

.product-content .tabs li.active {
    background-color: var(--root-font-color);
}

.product-content .product-introduce {
    color: #fff;
    padding: 60px;
    display: flex;
    background-image: var(--introduce-bg-image);
    margin-bottom: 60px;
}

.product-content .product-introduce section {
    flex: 1 0 0;
    padding-right: 60px;
}

.product-content .product-introduce section h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.product-content .product-introduce section button {
    width: 100px;
    line-height: 40px;
    text-align: center;
    border: 1px solid var(--root-font-color);
    margin-top: 40px;
    background-color: transparent;
    transition: all .3s ease;
}

.product-content .product-introduce section button:hover {
    background-color: var(--root-bg-color);
}

.product-content .product-introduce section button:hover a {
    color: #fff;
}

.news-trend-item>header>section>a{
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.product-content .product-introduce section button a {
    color: var(--root-font-color);
    transition: all .3s ease;

    display: block;
    width: 100%;
    height: 100%;
}

.product-content .product-introduce .poster {
    flex: 0 0 auto;
    width: 536px;
    height: 290px;
    overflow: hidden;
}

.product-content .product-introduce .poster:hover img {
    transform: scale(1.1);
}

.product-content .product-introduce img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all .3s ease;
}

.product-content .news-trend>main {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.product-content .news-trend .news-trend-item {
    width: calc(50% - 20px);
    flex: 0 0 auto;
    background-color: #fff;
}

.product-content .news-trend .news-trend-item>header:hover a {
    color: #fff;
}

.product-content .news-trend .news-trend-item>header {
    line-height: 60px;
    display: flex;
    justify-content: space-between;
    background-color: var(--root-bg-color);
    position: relative;
}

.product-content .news-trend .news-trend-item>header article {
    color: #fff;
    font-size: 20px;
    padding-left: 24px;
    display: flex;
    align-items: center;
    gap: 0 10px;
    z-index: 1;
}

.product-content .news-trend .news-trend-item>header section {
    padding-right: 40px;
    display: flex;
    align-items: center;
    gap: 0 10px;
}
.product-content .news-trend .news-trend-item>header section img {
    width: 22px;
    height: 22px;
}

.product-content .news-trend .news-trend-item>header section a {
    color: #fff;
    opacity: .8;
    transition: all .3s ease;
    cursor: pointer;
}

.product-content .news-trend .news-trend-item>header section a:hover{
    opacity: 1;
}

.product-content .news-trend .news-trend-item>main {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px 0;
}

.product-content .news-trend .news-trend-item>main>article {
    display: flex;
    padding-bottom: 20px;
    border-bottom: 1px solid #faf8f8;
}

.product-content .news-trend .news-trend-item>main>article:hover .poster img {
    transform: scale(1.1);
}

.product-content .news-trend .news-trend-item>main>article:nth-last-of-type(1) {
    border-bottom: none;
    padding-bottom: 0;
}

.product-content .news-trend .news-trend-item>main>article .poster {
    width: 225px;
    height: 135px;
    overflow: hidden;
    flex: 0 0 auto;
}

.product-content .news-trend .news-trend-item>main>article .poster:hover img {
    transform: scale(1.1);
}

.product-content .news-trend .news-trend-item>main>article img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all .3s ease;
}

.product-content .news-trend .news-trend-item>main>article section {
    padding: 12px 20px;
    flex: 1 0 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-content .news-trend .news-trend-item>main>article section>a {
    color: #666666;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0 10px;
}

.product-content .news-trend .news-trend-item>main>article section h3 {
    color: #000;
    font-size: 20px;
    font-weight: normal;
}

.product-content .news-trend .news-trend-item>main>article section {
    font-size: 18px;
}

.product-content .news-trend .news-trend-item>main>article section {
    font-size: 14px;
}

.product-content .news-trend .news-trend-item>main>article section a>img {
    width: 22px;
    height: 22px;
}

.product-content .news-trend .news-trend-item .list li {
    font-size: calc(20 / var(--rem));
    padding: calc(30 / var(--rem)) 0;
    border-bottom: 1px solid #d9d9d9;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-content .news-trend .news-trend-item .list li h5 {
    font-weight: normal;
    flex: 1 0 0;
    padding-left: calc(20 / var(--rem));
}

.product-content .news-trend .news-trend-item .list li::after {
    content: "";
    display: block;
    width: 7px;
    height: 7px;
    background-color: #022f6f;
    position: absolute;
    top: 50%;
    left: 2px;
    transform: translateY(-50%);
}

.product-content .news-trend .news-trend-item .list li p {
    color: #666;
    flex: 0 0 auto;
}

.product-content .news-trend>a {
    display: block;
    width: 240px;
    line-height: 60px;
    color: #fff;
    text-align: center;
    margin: 50px auto 0;
    border: 2px solid var(--root-bg-color);
    background-color: var(--root-bg-color);
    position: relative;
    transition: all .3s ease;
}

.product-content .news-trend>a:hover {
    box-shadow: 2px 2px 0 var(--root-bg-color),
        4px 4px 0 var(--root-bg-color),
        6px 6px 0 var(--root-bg-color),
        -2px -2px 0 var(--root-bg-color),
        -4px -4px 0 var(--root-bg-color),
        -6px -6px 0 var(--root-bg-color);
}

.product-content .news-trend>a section {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0 10px;
    position: relative;
    z-index: 2;
}

.product-content .recent-news>header {
    padding: 121px 0 49px;
    display: flex;
    justify-content: space-between;
}

.product-content .recent-news>header>h2 {
    font-size: 20px;
    font-weight: normal;
}

.product-content .recent-news>header section {
    display: flex;
    align-items: center;
    gap: 0 10px;
}

.product-content .recent-news>main {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px 20px;
}

.product-content .recent-news>main>article {
    background-color: #fff;
}

.product-content .recent-news>main>article>.poster {

    overflow: hidden;
}

.product-content .recent-news>main>article>.poster:hover img {
    transform: scale(1.1);
}

.product-content .recent-news>main>article>.poster img {
    width: 100%;
    object-fit: cover;
    display: block;
    transition: all .3s ease;
}

.product-content .recent-news>main>article>section {
    font-size: 14px;
    color: #448ACA;
    padding: 20px 20px 40px;
}

.product-content .recent-news>main>article>section h3 {
    /*font-size: 24px;*/
    font-weight: normal;
    color: #000;
    margin-top: 8px;
}

.product-content .recent-news>main>article>a {
    width: max-content;
    padding-left: 20px;
    padding-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 0 5px;
}

.page .page-footer {
    flex: 0 0 auto;
    background-color: var(--root-bg-color);
}

@media screen and (max-width: 1600px) {
    .product-content {
        max-width: 1080px;
        width: 100%;
        padding-bottom: 80px;
    }

    .product-content .product-header-title {
        padding: 120px 0;
    }

    .product-content .product-header-title>h1 {
        font-size: 48px;
    }

    .product-content .tabs li {
        font-size: 20px;
    }

    .product-content .news-trend .news-trend-item>main>article section h3 {
        font-size: 16px;
    }

    .product-content .recent-news>header {
        padding: 80px 0 20px;
    }

    .product-content .recent-news>header>h2 {
        font-size: 20px;
    }
    .product-content .news-trend .news-trend-item>header article {
        font-size: 16px;
    }
    .product-content .news-trend .news-trend-item>header article img {
        height: 24px;
    }
}

@media screen and (max-width: 1200px) {
    .product-content {
        padding: 0 20px 80px;
    }

    .page .page-main .product-content .recent-news header {
        padding: 80px 0 20px;
    }

    .product-content .product-header-title>h1 {
        font-size: 48px;
    }

    .page .page-main .tabs li {
        font-size: 20px;
        line-height: 60px;
        height: 60px;
    }

    .page .page-main .product-content .product-introduce {
        padding: 40px;
    }

    .page .page-main .product-content .news-trend main {
        gap: 24px;
    }

    /*.page .page-main .product-content .product-introduce section {
        font-size: 16px;
    }*/

    .page .page-main .product-content .product-introduce section h3 {
        font-size: 16px;
        margin: 12px 0;
    }

    .page .page-main .product-content .product-introduce .poster {
        width: 500px;
        height: 260px;
    }

    .page .page-main .product-content .news-trend .news-trend-item header article {
        font-size: 16px;
        padding-left: 12px;
    }

    .page .page-main .product-content .news-trend .news-trend-item header article img {
        width: 20px;
    }

    .page .page-main .product-content .news-trend .news-trend-item main {
        padding: 12px;
    }

    .page .page-main .product-content .news-trend .news-trend-item main article .poster {
        width: 180px;
        height: 115px;
    }

    .page .page-main .product-content .news-trend .news-trend-item main article section h3 {
        font-size: 16px;
    }

    .page .page-main .product-content .news-trend>a {
        width: 200px;
        height: 45px;
        line-height: 45px;
        font-size: 14px;
    }

    .product-content .news-trend .news-trend-item>main>article section {
        padding: 8px 12px;
    }

    .product-content .news-trend .news-trend-item>main>article section a>img {
        width: 16px;
        height: auto;
    }

    .page .page-main .product-content .recent-news header h2 {
        font-size: 24px;
    }

    .page .page-main .product-content .recent-news main section,
    .page .page-main .product-content .recent-news main article a {
        font-size: 12px;
        padding: 10px 10px 20px;
    }

    .product-content .news-trend .news-trend-item>header section {
        padding-right: 20px;
    }

    .product-content .news-trend .news-trend-item>header section a {
        font-size: 14px;
    }

    .page .page-main .product-content .recent-news main section h3 {
        font-size: 14px;
    }

    .product-content .recent-news>header section {
        font-size: 14px;
    }

    .page .feature {
        font-size: 12px;
    }

    .page .feature li {
        padding: 12px 4px;
    }

    .page .feature li img {
        width: 20px;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --root-font-size: 18;
    }

    html {
        font-size: var(--root-font-size)px;
    }

    .page .page-main .product-content .recent-news header {
        padding: 60px 0 20px;
    }

    .product-content .product-header-title {
        padding: 80px 0;
    }

    .product-content .product-header-title>h1 {
        font-size: 36px;
    }

    .page .page-main .tabs li {
        font-size: 12px;
        line-height: 60px;
        height: 60px;
    }

    .page .page-main .product-content .product-introduce {
        display: flex;
        flex-direction: column-reverse;
        padding: 20px;

    }

    .page .page-main .product-content .product-introduce .poster {
        width: 100%;
    }

    .page .page-main .product-content .news-trend main {
        grid-template-columns: repeat(2, minmax(200px, 1fr));
    }

    .page .page-main .product-content .news-trend .news-trend-item main article>img {
        width: 140px;
        height: 90px;
    }

    .page .page-main .product-content .news-trend .news-trend-item main article section h3 {
        font-size: 14px;
    }

    .page .page-main .product-content .poster {
        width: 100%;
        height: auto;
    }

    .page .page-main .product-content .news-trend .news-trend-item main article .poster {
        width: 120px;
        height: 80px;
    }
}

@media screen and (max-width: 425px) {
    :root {
        --root-font-size: 20;
        --introduce-bg-image:
                linear-gradient(to bottom, rgba(255, 255, 255, .0) 45%, rgba(255, 255, 255, 0.2) 70%, rgba(255, 255, 255, .0) 95%),
                linear-gradient(to bottom, var(
                        --root-bg-color) 50%, rgb(75,75,75) 100%) !important;
    }

    html {
        font-size: var(--root-font-size)px;
    }

    .product-content .product-header-title {
        padding: 40px 0;
    }

    .product-content .product-header-title>h1 {
        font-size: 24px;
        text-shadow: 3px 3px rgba(0, 0, 0, .6);
        padding-bottom: 8px;
    }

    .product-content .product-header-title>img {
        width: 32px;
    }

    .page .page-main .product-content .product-introduce section h3 {
        font-size: 20px;
    }

    .page .page-main .product-content .product-introduce section {
        font-size: 12px;
        padding-right: 0;
    }

    .product-content .product-introduce section button {
        margin-top: 20px;
        border-color: #fff;
        border: none;
    }
    .product-content .product-introduce section button a{
        /*color: #fff;*/
        background-color: #fff;
    }

    .page .page-main .tabs li {
        font-size: 12px;
        line-height: 40px;
        height: 40px;
    }

    .page .page-main .product-content .product-introduce .poster {
        width: 100%;
        height: auto;
    }

    .page .page-main .product-content .product-introduce {
        padding: 12px;
        /*background-size: 100% 130%;*/
        /*background: none #fff;
        color: #000;*/
    }


    .page .page-main .product-content .product-introduce>section>p{
        font-size: 14px;
    }

    .page .page-main .product-content .news-trend main {
        display: grid;
        grid-template-columns: repeat(1, minmax(200px, 1fr));
    }

    .product-content .news-trend .news-trend-item {
        width: auto;
    }

    .page .page-main .product-content .recent-news>main {
        grid-template-columns: repeat(1, minmax(200px, 1fr));
    }

    .product-content .recent-news>header {
        padding: 60px 0 20px;
    }

    .product {
        background-size: 100% 120%;
        background-position: center bottom;
    }

}