.indexBox {
    width: 100%;
    height: 100%;
    padding-top: 130px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

.p3 {
    padding: var(--padding-base);
}

.p0_3 {
    padding-left: var(--padding-base);
    padding-right: var(--padding-base);
}

.lp3 {
    padding-left: var(--padding-base);
}

.rp3 {
    padding-right: var(--padding-base);
}

.p5_0 {
    padding-top: 5.2vw;
    padding-bottom: 5.2vw;
}

.p4_0 {
    padding-top: calc(3.5vw + 22px);
    padding-bottom: calc(3.5vw + 22px);
}

.p3_0 {
    padding-top: var(--padding-base);
    padding-bottom: var(--padding-base);
}

.w100 {
    width: 100%;
    overflow: hidden;
}

.imgZoom {
    overflow: hidden;
}

.imgZoom img {
    transition: .6s;
}


.imgZoom:hover img {
    scale: 1.2;
}

.fadeInParent {
    position: relative;
}

.fadeInParent .fadeInSon {
    position: absolute;
    top: calc(100% + 1em);
    transform: translateX(-50%);
    left: 50%;
    visibility: hidden;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: inherit;
    z-index: 10;
}

.fadeInParent.active .fadeInSon {
    visibility: visible;
    top: calc(100% + 0.5em);
    opacity: 1;
}

.fadeInParent:hover .fadeInSon_hover {
    visibility: visible;
    top: calc(100% +  0.5em);
    opacity: 1;
}

.contact_icons {
    display: flex;
    align-items: center;
    gap: 0.875em;
    color: #fff;
    flex-wrap: wrap;
}

.contact_icons .cicon {
    font-size: inherit;
    color: inherit;
    width: 2.1875em;
    height: 2.1875em;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact_icons .cicon .cicon_img {
    font-size: inherit;
    width: 8em;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.2em;
    background-color: var(--primary-color);
    top: 100%;
}

.contact_icons .cicon .cicon_img img {
    width: 100%;
    height: auto;
}

.contact_icons .cicon .cicon_img::after {
    font-size: inherit;
    position: absolute;
    bottom: calc(100% - 1px);
    transform: translateX(-50%);
    left: 50%;
    width: 1em;
    height: 0.6em;
    clip-path: polygon(0 100%, 100% 100%, 50% 0);
    content: "";
    background-color: var(--primary-color);
    display: block;
}

.contact_icons .cicon.fadeInParent.active .cicon_img.fadeInSon {
    top: calc(100% + 1em);
}

.contact_icons .cicon.fadeInParent:hover .cicon_img.fadeInSon_hover {
    top: calc(100% + 1em);
}

.header_search {
    font-size: var(--font-size-base);
}

.header_search form {
    font-size: inherit;
    background-color: transparent;
    padding: 0 0.8em;
    height: 2.5em;
    border-radius: 1.25em;
    display: flex;
    align-items: center;
    width: 12.5em;
    border: 1px solid #fff;
}

.header_search form input {
    font-size: 0.875em;
    color: #fff;
    line-height: 1;
    padding: 0.5em;
}

.header_search form input::placeholder {
    color: inherit;
}

.header_search form button {
    line-height: 1;
    color: #fff;
    font-size: inherit;
    cursor: pointer;
    background-color: transparent;
    border: none;
    font-weight: var(--font-weight-bold);
}

.icon_contact {
    display: flex;
    align-items: center;
    gap: 0.6em;
    color: #fff;
    line-height: 1;
}

.icon_contact .iconfont {
    font-size: 1.33em;
}

.icon_contact p {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    font-family: "IBMPlexSans";
}


.header_lang {
    display: flex;
    align-items: center;
    padding: 0.3em 0;
    color: #fff;
    line-height: 1;
    border-radius: 1.3em;
    cursor: pointer;
    transition: .4s;
    gap: 0.5em;
}

.header_lang .icon-arr-down {
    color: inherit;
    transition: .4s;
}


.header_lang.active .icon-arr-down {
    transform: rotate(180deg);
}

.header_lang span {
    user-select: none;
}

.header_lang ul {
    min-width: 100%;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    border-radius: 0.4em;
    font-size: inherit;
    box-shadow: 0 0.2em 0.5em #0005;
}


.header_lang ul li {
    flex: 1;
    color: #fff;
    font-size: inherit;
    width: 100%;
}

.header_lang ul li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.6em 1em;
    user-select: none;
    color: var(--primary-color);
}

.search_mask {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index:999999;
    top: 0;
    left: 0;
}

.search_mask div {
    width: calc(var(--font-size-lg) * 2.5);
    height: calc(var(--font-size-lg) * 2.5);
    position: absolute;
    right: 4vw;
    top: 6vw;
    border-radius: 50%;
    border: 1px solid #ffffff;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.search_mask div span {
    font-size: var(--font-size-lg);
    transition: .3s;
    line-height: 1;
    color: #ffffff;
}

.search_mask div:hover {
    border-color: #d1ad90;
}

.search_mask div:hover span {
    color: #d1ad90;
}

.view_video {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index:999999;
    top: 0;
    left: 0;
}

.view_video iframe {
    display: none;
}

.view_video video, .view_video iframe {
    position: absolute;
    width: 60%;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    height: 34vw;
    max-height: 90vh;
}

.view_video div {
    width: calc(var(--font-size-lg) * 2.5);
    height: calc(var(--font-size-lg) * 2.5);
    position: absolute;
    right: 4vw;
    top: 6vw;
    border-radius: 50%;
    border: 1px solid #ffffff88;
    color: #ffffff88;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: .3s;
}

.view_video div span {
    font-size: var(--font-size-lg);
    transition: .3s;
    color: #ffffff88;
}

.view_video div:hover {
    border-color: #fff;
}

.view_video div:hover span {
    color: #fff;
}

.search_mask form {
    width: 80%;
    display: flex;
    justify-content: space-between;
    background-color: #ffffff;
    border-radius: 50px;
    padding: var(--font-size-lg) var(--font-size-2-5xl);
    box-sizing: border-box;
    position: relative;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
}

.search_mask form input {
    width: 95%;
    font-size: var(--font-size-lg);
}

.search_mask form button {
    width: 3%;
    background-color: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-lg);
}

.search_mask form button svg {
    width: 100%;
    min-width: 30px;
    height: auto;
}


.header {
    overflow: visible;
    position: fixed;
    top: 0;
    z-index: 99999;
    transition: .35s;
    display: flex;
    background-color: rgba(0, 0, 0, 0.3);
    justify-content: space-between;
    gap: 1em;
}

.header_left {
    align-self: flex-end;
    padding: var(--font-size-base) 0;
}

.header_logo {
    display: flex;
    align-items: center;
    font-size: var(--font-size-lg);
    gap: 0.5em;
}

.header_logo .logo_img {
    height: 3.65em;
    font-size: inherit;
    display: flex;
    flex-shrink: 0;
}

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

.header_logo .logo_text {
    display: flex;
    flex-direction: column;
    font-size: inherit;
    gap: 0.5em;
    line-height: 1;
    color: #fff;
}

.header_logo .logo_text .since {
    display: flex;
    align-items: center;
    gap: 0.3846em;
    font-size: 1.3em;
    font-weight: var(--font-weight-normal);
    white-space: nowrap;
}

.header_logo .logo_text .since span {
    background-color: var(--primary-color);
    display: block;
    font-size: 0.615em;
    padding: 0.25em 0.5em;
    border-radius: 0.46875em;
    padding-top: 1px;
}

.header_logo .logo_text .name {
    font-weight: var(--font-weight-bold);
    color: #fff;
    white-space: nowrap;
}

.header_right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    
}

.header_right_top {
    display: flex;
    gap: 3.385vw;
    justify-content: flex-end;
    overflow: hidden;
    font-size: var(--font-size-sm);
    height: 5.3em;
    transition: .35s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.header_contact {
    display: flex;
    padding: var(--font-size-sm) 0;
    flex-direction: column;
    align-items: center;
    font-size: var(--font-size-sm);
    color: #fff;
}

.header_contact .iconfont {
    font-size: 1.8em;
    line-height: 1;
}

.header_contact p {
    color: inherit;
    font-size: inherit;
    white-space: nowrap;
}

.header_right_bottom {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: var(--font-size-sm) 0;
    gap: 1em;
}

.header_nav {
    font-size: var(--font-size-base);
}

.header_nav ul {
    font-size: inherit;
    display: flex;
    color: #fff;
    gap: 1em;
}

.header_nav ul li {
    font-size: inherit;
}

.header_nav ul li a {
    padding: 1em;
    white-space: nowrap;
}

.banner {
    position: relative;
}



.header_more {
    display: none;
    font-size: var(--font-size-3xl);
}

.banner .swiper .swiper-slide {
    position: relative;
}

.banner-sw-float {
    position: absolute;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    left: 0;
    top: 0;
}

.banner-sw-float_ {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1vw;
}

.banner-sw-float_ .title {
    font-size: 3.125vw;
    text-align: center;
    font-family: "Lato";
    font-weight: var(--font-weight-heavy);
    color: #fff;
    line-height: 1.333;
    margin-bottom: 0;

}

.banner-sw-float_ .desc {
    font-size: 1.5625vw;
    text-align: center;
    font-family: "Lato";
    color: #fff;
    line-height: 1.333;
    margin-bottom: 1vw;
}

.banner-sw-float_ .btn {
    display: flex;
    gap: 0.625em;
    font-size: 1.04166vw;
}

.banner-sw-float_ .btn .more_button {
    font-size: 1.04166vw;
}

.banner-sw-float_ .btn .more_button:nth-child(1) {
    background-color: var(--third-color);
}

.banner-sw-float_ .btn .more_button:nth-child(2) {
    background-color: transparent;
}

.banner-sw-float_ .btn .more_button:nth-child(2)::before {
    position: absolute;
    width: 100%;
    height: 100%;
    content: "";
    left: 0;
    top: 0;
    border: 1px solid #fff;
    z-index: -2;
    border-radius: 1.5em;
    font-size: inherit;
}

.banner-sw-float_ .btn .more_button .right_icon {
    color: var(--third-color);
}

.banner-sw-float_ .btn .more_button:hover .text {
    color: var(--third-color);
}

.banner .swiper-slide .banner-sw-float_ .title,
.banner .swiper-slide .banner-sw-float_ .desc,
.banner .swiper-slide .banner-sw-float_ .btn {
    opacity: 0;
    transform: translateY(var(--font-size-2-5xl));
}

/* 当前激活的幻灯片 - 文字依次动画 */
.banner .swiper-slide-active .banner-sw-float_ .title {
    animation: fadeInUp 1.5s ease forwards 0.3s;
}

.banner .swiper-slide-active .banner-sw-float_ .desc {
    animation: fadeInUp 1.5s ease forwards 0.5s;
}

.banner .swiper-slide-active .banner-sw-float_ .btn {
    animation: fadeInUp 1.5s ease forwards 0.7s;
}

/* 定义动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(var(--font-size-2-5xl));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}




.more_button {
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
    padding: 0.4em;
    background-color: var(--primary-color);
    line-height: 1;
    border-radius: 1.5em;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.more_button .text {
    color: #fff;
    padding: 0 0.5em;
    position: relative;
    z-index: 2;
    transition: color 0.4s;
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.more_button .text::before {
    font-size: inherit;
    color: #fff;
    content: attr(data-text);
    transition: transform .3s;
    position: relative;
}

.more_button .text::after {
    content: attr(data-text);
    font-size: inherit;
    color: inherit;
    position: absolute;
    transform: translate(-50%, calc(-50% + 2em));
    transition: transform .3s;
    left: 50%;
    top: 50%;
    width: 100%;
}

.more_button .right_icon {
    color: var(--primary-color);
    width: 2.142em;
    height: 2.142em;
    /* background-color: #fff; */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.more_button::after {
    font-size: inherit;
    content: "";
    width: calc(2.142em - 1px);
    height: calc(2.142em - 1px);
    background-color: #fff;
    right: 1.471em;
    top: 50%;
    display: block;
    position: absolute;
    transform: translate(1.071em, -50%);
    border-radius: 1.071em;
    z-index: -1;
    transition: all .4s;
    border: 1px solid #fff;
    box-sizing: content-box;
    
}

.more_button:hover::after {
    width: 100%;
    height: 100%;
    border-radius: 1.5em;
    right: 1.071em;
}

.more_button:hover .text {
    color: var(--primary-color);
}

.more_button:hover .text::before {
    transform: translateY(-2em);
}

.more_button:hover .text::after {
    transform: translate(-50%, -50%);
}

.more_button2 .left_icon {
    color: var(--primary-color);
    width: 2.142em;
    height: 2.142em;
    /* background-color: #fff; */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.more_button2::before {
    font-size: inherit;
    content: "";
    width: calc(2.142em - 1px);
    height: calc(2.142em - 1px);
    background-color: #fff;
    left: 1.471em;
    top: 50%;
    display: block;
    position: absolute;
    transform: translate(-1.071em, -50%);
    border-radius: 1.071em;
    z-index: -1;
    transition: all .4s;
    border: 1px solid #fff;
    box-sizing: content-box;
    
}

.more_button2:hover::before {
    width: 100%;
    height: 100%;
    border-radius: 1.5em;
    left: 1.071em;
}

.more_button2::after {
    display: none;
}

.index_title .title {
    font-weight: var(--font-weight-medium);
    text-align: center;
    font-size: var(--font-size-4-5xl);
}

.advantage_ {
    display: flex;
}

.advantage_item {
    flex: 1;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--font-size-lg);
    z-index: 1;
    gap: var(--font-size-4xl);
    aspect-ratio: 1 / 0.8125;
}

.advantage_item::before {
    z-index: -1;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    display: block;
    background-color: rgba(0, 0, 0, 0.7);
}

.advantage_item .title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-normal);
    text-align: center;
    color: #fff;
    position: relative;
}

.advantage_item .title::after {
    content: "";
    position: absolute;
    display: block;
    transform: translate(-50%, -50%);
    left: 50%;
    top: calc(100% + var(--font-size-4xl) / 2);
    font-size: inherit;
    width: 2.5em;
    height: 1px;
    background-color: #fff;
}

.advantage_item .text {
    font-size: var(--font-size-base);
    text-align: center;
    color: #fff;
}

.advantage_item .img {
    font-size: var(--font-size-9xl);
    width: 1em;
    height: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage_item .img img {
    max-width: 100%;
    max-height: 100%;
}

.products_title {
    display: flex;
    flex-direction: column;
    gap: var(--padding-base);
    position: relative;
}

.products_title_right {
    display: flex;
    font-size: var(--font-size-lg);
    gap: 1.25em;
    justify-content: flex-end;
}

.products_title_right>a {
    width: 15.5em;
    height: 3em;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    border: 1px solid #e5e5e5;
    transition: .3s;
    overflow: hidden;
    position: relative;
    z-index: 1;
}


.products_title_right>a .slider-bg {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    right: 100%;
    top: 0;
    top: 0; 
    bottom: 0;
    background-color: var(--primary-color);
    transition: .3s;
    z-index: -1;
}

.products_title_right>a .text {
    position: relative;
    display: flex;
}

.products_title_right>a .text::before {
    font-size: inherit;
    color: var(--text-primary);
    content: attr(data-text);
    transition: transform .3s;
    position: relative;
}

.products_title_right>a .text::after {
    content: attr(data-text);
    font-size: inherit;
    color: inherit;
    position: absolute;
    transform: translate(-50%, calc(-50% + 2em));
    transition: transform .3s;
    left: 50%;
    top: 50%;
    width: 100%;
}

.products_title_right>a:hover {
    color: #fff;
}


.products_title_right>a:hover .text::before {
    transform: translateY(-2em);
}

.products_title_right>a:hover .text::after {
    transform: translate(-50%, -50%);
}

.products_title_right>button {
    width: 3em;
    height: 3em;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    background-color: var(--primary-color);
    color: #fff;
}

.products_title_right>button span {
    font-size: 2.5em;
}

.products_title_right>button.swiper-button-disabled {
    opacity: 0.5;
    cursor: no-drop;
}

@media (min-width: 1860px) {
    .products_title_right {
        position: absolute;
        transform: translateY(-50%);
        top: 50%;
        right: var(--padding-base);
    }
}

.products_ {
    padding-top: 0 !important;
}

.products_grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-lg);
}

.products_item_bottom {
    width: calc((100% - var(--font-size-lg) * 3) / 4);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-lg);
}

.products_item_bottom .img {
    width: 100%;
    aspect-ratio: 1 / 0.9535;
    position: relative;
    display: block;
}

.products_item_bottom .img img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    left: 0;
    top: 0;
}

.products_item_bottom .text {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-xs);
}

.products_item_bottom .text .title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    text-align: center;
}

.products_item_bottom .text .btn {
    font-size: var(--font-size-base);
    text-align: center;
}

.products_item_top {
    width: calc((100% - var(--font-size-lg)) / 2);
    display: flex;
    padding: var(--font-size-base);
    gap: var(--font-size-7xl);
    background-color: var(--back-color-one);
    align-items: center;
}

.products_item_top .img {
    width: calc((100% - var(--font-size-lg)) / 2);
    aspect-ratio: 1 / 0.9524;
    position: relative;
    display: block;
    flex-shrink: 0;
}

.products_item_top .img img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    left: 0;
    top: 0;
}

.products_item_top>.text {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-md);
    width: 100%;
}

.products_item_top>.text .title {
    font-size: var(--font-size-2-5xl);
    font-weight: var(--font-weight-medium);
}

.products_item_top>.text .desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.products_item_top>.text .desc ul li {
    padding-left: 1.3em;
    position: relative;
}

.products_item_top>.text .desc ul li::before {
    position: absolute;
    left: 0;
    top: 1.19em;
    transform: translateY(-50%);
    width: 1.2em;
    height: 1.2em;
    background-color: var(--back-color-two);
    line-height: 1;
    font-size: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    content: ">";
    font-family: "Oswald";
    font-size: 0.72em;
    color: var(--primary-color);
}

.products_item_top>.text .btn {
    max-width: 100%;
    font-size: var(--font-size-sm);
    width: 14.3em;
}

.factory {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    min-height: 37.5vw;
    z-index: 1;
    gap: 4.16vw;
}

.factory .index_title {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.factory .index_title .title {
    color: #fff;
    text-shadow: 0.05em 0.05em 0.1em rgba(0, 0, 0, 0.5);
}

.factory_back {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.factory_back::after {
    position: absolute;
    content: "";
    display: block;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.factory_back .swiper {
    height: 100%;
}

/* .factory_back .swiper .swiper-slide:not(.swiper-slide-active):not(.swiper-slide-next):not(.swiper-slide-prev) img {
    display: none;
} */

.factory_back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
}

.factory_info {
    display: flex;
    gap: var(--font-size-lg);
    width: 100%;
    padding: 0 var(--padding-xl);
}

.factory_info_item {
    font-size: var(--font-size-md);
    display: flex;
    flex-direction: column;
    gap: 1em;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex: 1;
    padding: 1.33em;
}

.factory_info_item .img {
    height: 3.277em;
}

.factory_info_item .img img {
    max-height: 100%;
    max-width: 100%;
}

.factory_info_item .text {
    max-width: 17.66em;
}

.factory_info_item .text p {
    color: #fff;
    text-align: center;
}

.factory_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--font-size-xs);
}

.factory_btn button {
    font-size: var(--font-size-base);
    width: 2.625em;
    height: 2.625em;
    border-radius: 50%;
    color: #fff;
    border: 1px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: .3s;
}

.factory_btn button.sw-btn-prev .iconfont {
    transform: rotate(180deg);
}

.factory_btn button:hover {
    background-color: #fff;
    color: var(--primary-color);
    font-weight: bold;
}

.quality_ {
    display: flex;
}

.quality_left {
    width: 64.84%;
    position: relative;
}

.quality_left .swiper {
    height: 100%;
    width: 100%;
    z-index: 1;
}

.quality_left .swiper .swiper-slide {
    height: auto;
}

.quality_left .swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quality_left::after {
    position: absolute;
    content: "";
    display: block;
    background-color: rgba(0, 0, 0, 0.2);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.quality_left .sw-pagination {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    color: #fff;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    z-index: 3;
    gap: 3em;
    align-items: flex-end;
    height: 36.2%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0));
}

.quality_left .sw-pagination .pagination-btn {
    display: block;
    flex: 1;
    padding-bottom: 2.25em;
    text-align: center;
    cursor: pointer;
    position: relative;
}

.quality_left .sw-pagination .pagination-btn::after {
    position: absolute;
    content: "";
    display: block;
    transform: translate(-50%, -50%);
    left: 50%;
    font-size: inherit;
    bottom: calc(2.25em / 2);
    height: max(1px, 0.15em);
    width: 5em;
    background-color: rgba(255, 255, 255, 0.3);
    transition: .3s;
}

.quality_left .sw-pagination .pagination-btn.pagination-btn-active::after {
    background-color: #fff;
    width: 2.5em;
    height: max(2px, 0.21em);
}

.quality_right {
    padding-top: calc(var(--padding-base) / 2);
    padding-bottom: calc(var(--padding-base) / 2);
    background-color: var(--back-color-three);
    width: 35.16%;
    background-image: url(../images/quality-right-back.png);
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: center 82%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.quality_right .swiper .swiper-slide {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--font-size-lg);
    gap: 1em;
    opacity: 0;
    transition: opacity .4s;
}

.quality_right .swiper .swiper-slide-active {
    opacity: 1;
}

.quality_right .swiper .swiper-slide::before {
    content: var(--title);
    font-size: inherit;
    text-align: center;
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-normal);
    user-select: none;
    pointer-events: none;
    opacity: 0;
}

.quality_right .swiper .swiper-slide .img {
    width: 56.66%;
    aspect-ratio: 1 / 1.39;
    display: flex;
    justify-content: center;
    align-items: center;
    
}

.quality_right .swiper .swiper-slide .img img {
    max-width: 100%;
    max-height: 100%;
}

.quality_right .swiper .swiper-slide .img .img_wrap {
    border: 1.5em solid transparent;
    border-image: url('../images/xk.png') 40 fill / 40px / 0 stretch;
    /* 
        border-image 参数说明：
        - url('frame.png') : 相框图片路径
        - 40 : 切片尺寸（四个角保留，中间拉伸）
        - fill : 让中间区域显示图片内容（如果需要）
        - / 40px : 边框宽度
        - stretch : 拉伸方式
    */
}

.quality_right .swiper .swiper-slide .text .title {
    font-size: inherit;
    text-align: center;
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-normal);
}

.quality_ .sw-btn button {
    font-size: var(--font-size-base);
    color: #fff;
    line-height: 1;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    transform: translateY(-50%);
    top: 50%;
    z-index: 5;
    width: 4.375em;
    height: 4.375em;
    transition: .3s;
}

.quality_ .sw-btn button.swiper-button-disabled {
    opacity: 0;
    pointer-events: none;
}

.quality_ .sw-btn button.sw-btn-prev {
    left: var(--padding-base);
}

.quality_ .sw-btn button.sw-btn-prev .iconfont {
    transform: rotate(180deg);
}

.quality_ .sw-btn button.sw-btn-next {
    right: var(--padding-base);
}


.client_ {
    display: flex;
    gap: var(--font-size-lg);
    padding: var(--padding-base) 0;
    padding-bottom: 0;
}

.client_left {
    width: 45%;
    padding-left: var(--padding-xl);
}

.client_right {
    flex: 1;
}

.client_right img {
    width: 100%;
}

.client_left .title {
    font-size: var(--font-size-4-5xl);
    font-weight: calc(--font-weight-medium);
    max-width: 14.8em;
    margin-bottom: 0.5em;
}

.client_left .desc {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: 3em;
}

.client_info {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-6xl);
}

.client_info_item {
    display: flex;
    flex-direction: column;
    width: calc((100% - var(--font-size-6xl)) / 2);
}

.client_info_item .img {
    height: var(--font-size-6xl);
    display: flex;
    align-items: center;
}

.client_info_item .img img {
    max-height: 100%;
    max-width: 100%;
}

.client_info_item .value {
    color: var(--secondary-color);
    font-weight: bold;
    font-size: var(--font-size-6xl);
    display: flex;
    align-items: center;
}

.client_info_item .des {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

.client_info_item:nth-child(4) .value .sign {
    font-size: 0.5em;
}

.message {
    background-image: url(../images/message-back.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--padding-base);
    padding: var(--padding-base) var(--padding-xl);
}

.message .index_title {
    padding: 1.5625vw 0;
}

.message .index_title .title {
    color: #fff;
}

.message_ {
    padding-bottom: 1.5625vw;
    width: 100%;
}

.message_form {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--padding-base);
}

.message_form_ {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--font-size-2xl);
}

.message_form_ .line {
    display: flex;
    width: 100%;
    justify-content: space-between;
    gap: var(--font-size-xl);
}

.message_form input {
    font-size: var(--font-size-base);
    background-color: rgba(255, 255, 255, 0.8);
    padding: var(--font-size-lg) var(--font-size-2xl);
    line-height: 1;
    flex: 1;
} 

.message_form textarea {
    font-size: var(--font-size-base);
    background-color: rgba(255, 255, 255, 0.8);
    padding: var(--font-size-lg) var(--font-size-2xl);
    flex: 1;
    height: 16.25em;
}

.message_form button {
    max-width: 30em;
    background-color: var(--third-color);
    color: #fff;
    line-height: 1;
    font-size: var(--font-size-lg);
    width: 100%;
    padding: 1em;
    transition: .3s;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    gap: 0.4em;
    z-index: 1;
    position: relative;
}

.message_form button .slider-bg {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    right: 100%;
    top: 0;
    top: 0; 
    bottom: 0;
    background-color: var(--primary-color);
    transition: .3s;
    z-index: -1;
}

.message_form button .text {
    position: relative;
    display: flex;
}

.message_form button .text::before {
    font-size: inherit;
    color: #fff;
    content: attr(data-text);
    transition: transform .3s;
    position: relative;
}

.message_form button .text::after {
    content: attr(data-text);
    font-size: inherit;
    color: inherit;
    position: absolute;
    transform: translate(-50%, calc(-50% + 2em));
    transition: transform .3s;
    left: 50%;
    top: 50%;
    width: 100%;
}


.message_form button:hover .text::before {
    transform: translateY(-2em);
}

.message_form button:hover .text::after {
    transform: translate(-50%, -50%);
}

.footer {
    background-color: #262626;
}

.footer_top {
    display: flex;
    justify-content: space-between;
    gap: calc(1.6vw + 8px);
}

.footer_top_left {
    width: min(calc(var(--font-size-base) * 21.25), 26%);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-md);
}

.footer_top_mid {
    flex: 1;
    display: flex;
    justify-content: space-between;
    gap: calc(1.6vw + 8px);
    max-width: calc(var(--font-size-sm) * 60.7);
}

.footer_top_right {
    width: min(calc(var(--font-size-base) * 23.125), 23%);
}

.footer_top_left .logo img {
    max-width: 100%;
    width: var(--font-size-10xl);
    height: auto;
}

.footer_top_left .company {
    max-width: 100%;
    width: 11em;
    font-size: var(--font-size-lg);
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    color: #ccc;
}

.footer_top_left .contact_icons {
    font-size: var(--font-size-base);
}

.footer_top_left .keywords {
    font-size: var(--font-size-sm);
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    color: #ccc;
}

.footer_nav:nth-child(1) {
    flex: 1;
}

.footer_nav:nth-child(1) ul li {
    width: 50%;
}

.footer_nav .title {
    font-size: var(--font-size-md);
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    margin-bottom: 1.2em;
    display: block;
    color: #ccc;
    white-space: nowrap;
}

.footer_nav ul {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: calc(var(--font-size-sm) * 18);
    gap: var(--font-size-base);
}

.footer_nav ul li {
    font-size: var(--font-size-sm);
    padding-left: 1.3em;
    position: relative;
    color: #ccc;
    font-family: "Lato";
    font-weight: var(--font-weight-light);
}

.footer_nav ul li::before {
    position: absolute;
    left: 0;
    top: 1em;
    transform: translateY(-50%);
    width: 1.2em;
    height: 1.2em;
    background-color: rgba(255,255,255, 0.06);
    line-height: 1;
    font-size: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    content: ">";
    font-family: "Oswald";
    font-size: 0.72em;
    color: #fff;
    line-height: var(--line-height-tight);
}


.footer_top_right .title {
    font-size: var(--font-size-md);
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    margin-bottom: 1.2em;
    display: block;
    color: #ccc;
    white-space: nowrap;
}

.footer_contact {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-md);
}

.footer_contact_item {
    font-size: var(--font-size-base);
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}

.footer_contact_item .cicon {
    width: 2.1875em;
    height: 2.1875em;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    border-radius: 50%;
}

.footer_contact_item .text {
    color: #ccc;
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    display: flex;
    flex-wrap: wrap;
    gap: 0.6em;
}

.footer .seqline {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.12);
    height: 1px;
}

.footer_bottom {
    display: flex;
    justify-content: space-between;
    gap: var(--font-size-xs);
    color: #ccc;
    font-family: "Lato";
    font-weight: var(--font-weight-light);
    padding-top: calc(1.2vw + 6px);
    padding-bottom: calc(1.2vw + 6px);
    flex-wrap: wrap;
}

.footer_bottom p {
    font-size: var(--font-size-sm);
    text-align: center;
}

.banner_float {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.banner_float_ {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--font-size-base);
}

.banner_float_ .title {
    font-size: var(--font-size-xl);
    text-align: center;
    color: #fff;
}

.position {
    display: flex;
    font-size: var(--font-size-base);
    gap: 0 0.4em;
    color: #fff;
}

.position .iconfont {
    transform: translateY(-0.1em);
}

.position_ {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0 0.4em;
}

.position_ a:last-child {
    color: var(--third-color);
}

.about {
    display: flex;
    justify-content: space-between;
    gap: var(--font-size-9xl);
    padding: var(--padding-lg) var(--padding-xl);
}

.about_left {
    /* width: min(calc(var(--font-size-base) * 48.75), 51.75%); */
    width: 48.75%;
}

.about_right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
}

.about_right .img {
    overflow: hidden;
    border-radius: var(--font-size-lg);
}

.about_right .img img {
    max-width: 100%;
    max-height: 100%;
}

.about_title {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-xs);
}

.about_title .title {
    font-size: var(--font-size-4xl);
    max-width: 15.06em;
    font-weight: var(--font-weight-medium);
    margin-bottom: 0.6em;
}

.about_title .subtitle {
    color: var(--third-color);
    line-height: 1;
    font-size: var(--font-size-base);
}

.about_left .content {
    color: var(--text-secondary);
}

.page {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6em;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-light);
    color: var(--text-third);
}

.page .page-num, .page>span {
    line-height: 1;
    transition: .2s;
    width: 2.5em;
    height: 2.5em;
    border: 1px solid var(--back-color-one);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page .page-num:hover {
    color: #fff;
    background-color: var(--primary-color);
}

.page .page-num-current {
    color: #fff;
    background-color: var(--primary-color);
}

.page .page-arr {
    line-height: 1;
    width: 2.5em;
    height: 2.5em;
    border: 1px solid var(--back-color-three);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page .page-arr:hover {
    color: #fff;
    background-color: var(--primary-color);
}

.productlist_title {
    display: flex;
    flex-direction: column;
    padding: 1.5625vw 0;
    margin-bottom: var(--padding-base);
}

.productlist_title .title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-medium);
    margin-bottom: 0.2em;
}

.productlist_title .subtitle {
    color: var(--third-color);
    font-size: var(--font-size-base);
}

.productlist_title .desc {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    max-width: 52.3em;
}

.productlist_ {
    display: flex;
    gap: var(--font-size-6xl);
}

.productlist_left {
    width: calc(var(--font-size-md) * 24.5);
}

.productlist_nav {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.productlist_nav li {
    border-bottom: 1px solid var(--back-color-three);
    width: 100%;
}

.productlist_nav li a {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--font-size-xl) 0;
    padding-right: var(--font-size-sm);
    gap: 1em;
}

.productlist_nav li a .title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-light);
    color: var(--text-primary);
}

.productlist_nav li a .sign {
    position: relative;
    display: block;
    width: 1em;
    height: 1em;
    font-size: var(--font-size-xs);

}

.productlist_nav li a .sign::before {
    content: "";
    display: block;
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    width: 100%;
    height: max(1px, 0.2em);
    background-color: var(--text-primary);
}

.productlist_nav li a .sign::after {
    content: "";
    display: block;
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    height: 100%;
    width: max(1px, 0.2em);
    background-color: var(--text-primary);
    transition: .4s;
}

.productlist_nav li a:hover {
    --text-primary: var(--primary-color);
}

.productlist_nav li.active {
    --text-primary: var(--primary-color);
}

.productlist_nav li.active a .title {
    font-weight: var(--font-weight-medium);
}

.productlist_nav li a:hover .sign::after {
    transform: translate(-50%, -50%) rotate(270deg);
}

.productlist_nav li.active a .sign::after {
    transform: translate(-50%, -50%) rotate(270deg);
}

.productlist_right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--font-size-6xl);
}


.productlist_grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-6xl);
    flex: 1;
}

.productlist_item {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-lg);
    width: calc((100% - var(--font-size-6xl) * 2) / 3);
}

.productlist_item .img {
    border: 1px solid var(--back-color-three);
    aspect-ratio: 1 / 0.95;
    padding: var(--font-size-xs);
}

.productlist_item .img .img_wrap {
    width: 100%;
    height: 100%;
    position: relative;
}

.productlist_item .img .img_wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    left: 0;
    top: 0;
}

.productlist_item .text .title {
    text-align: center;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-light);
    color: var(--text-primary);
}

.productlist_item:hover {
    --text-primary: var(--primary-color)
}

.product_position {
    padding: var(--font-size-lg) var(--padding-xl);
    background-color: var(--back-color-four);
    color: var(--text-third);
}

.product_position a:last-child {
    color: inherit;
}

.product {
    padding: var(--padding-md) var(--padding-xl);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-6xl);
}

.product_top {
    display: flex;
    gap: var(--font-size-6xl);
}

.product_left {
    border: 1px solid var(--back-color-five);
    padding: var(--font-size-6xl);
    flex: 1;
}


.product_left .img {
    width: 100%;
    aspect-ratio: 1 / 0.728;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.product_left .img img {
    max-width: 100%;
    max-height: 100%;
}

.product_right {
    width: 37.5%;
    padding: var(--font-size-xl) var(--font-size-6xl);
    border-radius: var(--font-size-xs);
    border: 1px solid var(--back-color-five);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-lg);
    padding-bottom: calc(var(--font-size-xl) + 2vw);
    justify-content: space-between;
}

.product_right .seqline {
    width: 100%;
    height: 1px;
    background-color: var(--back-color-five);
}

.product_right .title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
    border-bottom: 1px solid var(--back-color-five);
    padding-bottom: var(--font-size-xl);
}

.product_contact {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-md);
    padding: var(--font-size-4xl) 0;
}

.product_contact_item {
    display: flex;
    align-items: flex-start;
    gap: var(--font-size-xs);
}

.product_contact_item .cicon {
    font-size: var(--font-size-base);
    width: 2.1875em;
    height: 2.1875em;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transform: translateY(0.3em);
}

.product_contact_item .text {
    display: flex;
    flex-direction: column;
    font-size: var(--font-size-base);
    font-family: "Lato";
}

.product_contact_item .text .tag {
    font-weight: var(--font-weight-light);
}

.product_contact_item .text .tel {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.6em;
}

.product_btn {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: calc(var(--font-size-xl) / 2);
}


.product_btn .btn {
    font-size: var(--font-size-md);
    border: 1px solid var(--back-color-one);
    line-height: 1;
    height: 3.055em;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.6em;
}

.product_btn .btn:nth-child(1) {
    background-color: var(--third-color);
    color: #fff;
}

.product_infos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-sm);
    /* flex: 1; */
    align-content: flex-start;
}

.product_infos_item {
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: 0.4em;
    background-color: var(--back-color-one);
    border-radius: 0.3125em;
    padding: 0.6em 0.8em;
    line-height: 1;
    position: relative;
}

.product_infos_item .text {
    font-weight: var(--font-weight-light);
}

.product_infos_item .iconfont {
    color: var(--text-secondary);
    transform: rotate(90deg);
}


.product_infos_item_content.fadeInSon {
    position: absolute;
    transform: none;
    left: 0;
    /* top: calc(100% + var(--font-size-xs)); */
    
}

.product_infos_item_content ul {
    padding: 1em;
    background-color: var(--back-color-one);
    font-size: var(--font-size-base);
    border-radius: 0.6em;
    display: grid;
    grid-template-columns: repeat(4, 6em);
    gap: 1em 0.8em;
}

.product_bottom {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-6xl);
}

.product_detail {
    width: 100%;
}

.product_detail .title {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-4-5xl);
    padding-bottom: var(--font-size-6xl);
    position: relative;
    text-align: center;
}

.product_detail .content {
    border: 1px solid var(--back-color-five);
    padding: var(--font-size-6xl);
}

.related_products {
    background-color: var(--back-color-three);
    padding-bottom: var(--padding-base);
}

.related_products_title .title {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-4-5xl);
    padding-bottom: 0.4em;
    position: relative;
    text-align: center;
}

.related_products_title .title::after {
    position: absolute;
    transform: translate(-50%, -50%);
    top: 100%;
    left: 50%;
    width: 1.25em;
    height: max(1px, 0.09em);
    background-color: var(--primary-color);
    display: block;
    content: "";
}

.related_products_ .productlist_item {
    width: 100%;
}

.related_products_ .swiper .swiper-wrapper {
    transition-timing-function: linear !important;
}

.product_message {
    background-image: none;
    
}

.product_message .index_title {
    padding-bottom: 0;
}

.product_message .index_title .title {
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
}

.product_message .message_form input {
    background-color: #fff;
    border: 1px solid var(--back-color-six);
} 

.product_message .message_form textarea {
    background-color: #fff;
    border: 1px solid var(--back-color-six);
}

.product_message .message_form button {
    border-radius: 1.5em;
}

.workshop_title {
    padding: var(--padding-lg) var(--padding-xl);
    display: flex;
    gap: var(--font-size-8xl);
}

.workshop_title_left {
    display: flex;
    flex-direction: column;
    width: 43.75%;
}

.workshop_title_right {
    flex: 1;
}

.workshop_title_left .title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-medium);
}

.workshop_title_left .subtitle {
    color: var(--third-color);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 0.6em;
}


.workshop_title_right .desc {
    font-size: var(--font-size-base);
    transform: translateY(calc(1.6em + 0.2 * var(--font-size-4xl)));
}

.finished_item {
    aspect-ratio: 1 / 0.6;
}

.finished_ .swiper .swiper-wrapper {
    transition-timing-function: linear !important;
}

.finished_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.workshop_ {
    padding: var(--padding-lg) var(--padding-xl);
    padding-top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-xl);
}

.workshop_item {
    width: calc((100% - var(--font-size-xl) * 3) / 4);
    aspect-ratio: 1 / 0.74;
}

.workshop_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.honorlist_ {
    padding: var(--padding-lg) var(--padding-xl);
    padding-top: 0;
}

.honorlist .workshop_title_left .title {
    max-width: 11.6em;
}

.honorlist_item {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: var(--font-size-lg);
    gap: 1em;
    opacity: 0;
    transition: opacity .4s;
    height: auto;
}

.honorlist_item.swiper-slide-visible {
    opacity: 1;
}


.honorlist_item .img_wrap img {
    max-width: 100%;
    max-height: 100%;
}

.honorlist_item .img_wrap {
    border: 1.5em solid transparent;
    border-image: url('../images/xk.png') 40 fill / 40px / 0 stretch;
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.honorlist_item .text .title {
    font-size: inherit;
    text-align: center;
    line-height: var(--line-height-normal);
    font-weight: var(--font-weight-normal);
}

.contact {
    padding: var(--padding-lg) var(--padding-xl);
    display: flex;
    gap: 5.625%;
}

.contact_left {
    width: 53.75%;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.contact_right {
    flex: 1;
}

.contact_ {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--font-size-lg);
    max-width: calc(50 * var(--font-size-base));
} 

.contact_ .product_contact_item {
    gap: var(--font-size-md);
}

.contact_ .product_contact_item .cicon {
    font-size: var(--font-size-lg);
    width: 2.1em;
    height: 2.1em;
    flex-shrink: 0;
}

.contact_ .product_contact_item .text {
    gap: 0.4em;
}

.contact_ .product_contact_item .text .tag {
    font-weight: var(--font-weight-bold);
}

.contact_ .product_contact_item .text .tel {
    color: var(--text-primary);
    font-weight: var(--font-weight-light);
    
}

/* .contact_ .product_contact_item:nth-child(1) .text .tel {
    max-width: 22em;
} */

.contact_ .line {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-lg);
    flex: 1;
}

.contact_item {
    flex: 1;
    display: flex;
    align-items: center;
}

.contact_ .seqline {
    height: 1px;
    width: 100%;
    background-color: var(--back-color-one);
}

.contact_left .productlist_title {
    padding: 0;
    margin-bottom: var(--font-size-lg);
}

.contact_message {
    width: 100%;
    border-radius: var(--font-size-lg);
    box-shadow: 0 0 var(--font-size-2-5xl) rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.contact_message_title {
    padding: var(--font-size-md);
    background-color: var(--primary-color);
}

.contact_message_title .title {
    color: #fff;
    font-weight: var(--font-weight-normal);
    text-align: center;
    font-size: var(--font-size-2xl);
}

.contact_message_form {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-lg);
    padding: var(--font-size-lg) var(--font-size-4xl);
    padding-bottom: var(--font-size-4xl);
}

.contact_message_form .tip {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.contact_message_form .form_item {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: calc(var(--font-size-base) * 0.6);
}

.contact_message_form .form_item .lab {
    display: flex;
    align-items: flex-start;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    gap: 0.4em;
    font-weight: var(--font-weight-light);
    line-height: 1;
}

.contact_message_form .form_item .lab span {
    color: red;
    font-size: var(--font-size-base);
}

.contact_message_form .form_item input {
    background-color: var(--back-color-seven);
    border: 1px solid var(--back-color-eight);
    font-size: var(--font-size-base);
    border-radius: 0.3125em;
    height: 3.125em;
    padding: 0 1em;
}

.contact_message_form .form_item textarea {
    background-color: var(--back-color-seven);
    border: 1px solid var(--back-color-eight);
    font-size: var(--font-size-base);
    border-radius: 0.3125em;
    height: 3.125em;
    padding: 0.8125em 1em;
    height: 6.25em;
}

.contact_message_form button {
    font-weight: var(--font-weight-light);
    line-height: 1;
    font-size: var(--font-size-base);
    color: #fff;
    padding: var(--font-size-xs) var(--font-size-lg);
    background-color: var(--primary-color);
    width: min(100%, 12.5em);
    border-radius: calc(0.5em + var(--font-size-xs));
    align-self: center;
    margin: var(--font-size-xs) 0;
    position: relative;
}

.btn-letters {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.1em;
    height: 1em;
    overflow: hidden;
    width: 100%;
}

/* 每个字母的外框：1em 高，超出隐藏 */
.letter {
    position: relative;
    display: inline-block;
    line-height: 1;
    text-align: center;
}

.letter .original {
    display: block;
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    text-align: center;
    line-height: 1;
}

/* 伪元素副本 - 初始位置在下方 1em 处 */
.letter::before {
    content: attr(data-letter);
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    text-align: center;
    line-height: 1;
    transform: translateY(1em);
    pointer-events: none;
}

/* 弹出动画 - 向上移动 1em */
@keyframes popOut {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-1em);
    }
}

/* 弹入动画 - 从下方 1em 移动到 0 */
@keyframes popIn {
    0% {
        transform: translateY(1em);
    }
    100% {
        transform: translateY(0);
    }
        }

.header_search_mobile {
    display: none;
}

.productlist_more {
    display: none;
}

.footer {
    z-index: 1;
    position: relative;
    background-color: var(--back-color-footer);
}

.glow-orb {
    position: absolute;
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    /* 纯白色径向渐变 - 中心较亮，边缘透明 */
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 0.25) 0%,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.15) 45%,
        rgba(255, 255, 255, 0.05) 70%,
        rgba(255, 255, 255, 0) 100%
    );
    filter: blur(1.5rem);
    pointer-events: auto;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 0 2rem rgba(255, 255, 255, 0.12);
    opacity: 0.92;
    /* 关键：只过渡transform和opacity，确保放大动画平滑且不闪烁 */
    transition: transform 3.8s cubic-bezier(0.2, 0.85, 0.25, 1.02), 
                opacity 3.8s cubic-bezier(0.2, 0.85, 0.25, 1.02);
    transform: scale(1);
}

/* 扩散状态 - transform放大 + 整体透明度降低到接近0（配合中心渐变达到中心透明效果） */
.glow-orb.expand {
    transform: scale(2.8);
    opacity: 0.15;
}

@media (max-width: 769px) {
    .glow-orb {
        width: 12rem;
        height: 12rem;
        filter: blur(1.2rem);
    }
    .glow-orb.expand {
        transform: scale(2.4);
    }
}


@media (max-width: 1441px) {
    
}

@media (max-width: 1025px) {

}

@media (max-width: 769px) {
    .header_right_top {
        display: none;
    }

    .header_search {
        display: none;
    }

    .header_more, .header_search_mobile {
        display: block;
        font-size: var(--font-size-3xl);
        color: #fff;
    }

    .header {
        background-color: rgba(0, 0, 0, 0.6) !important;
    }

    .header_nav {
        position: absolute;
        --header-nav-width: min(18.18em, 100dvw);
        top: 100%;
        height: calc(100dvh - 100%);
        width: 0;
        right: 0;
        font-size: var(--font-size-3xl);
        background-color: rgba(0, 0, 0, 0.6);
        overflow: hidden;
        transition: .3s;
    }

    .header_nav ul {
        flex-direction: column;
        height: 100%;
        gap: 0;
        width: var(--header-nav-width);
    }

    .header_nav ul li {
        flex: 1;
    }

    .header_nav ul li a {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .header_nav.active {
        width: var(--header-nav-width);
    }

    .banner .swiper-button-next, .banner .swiper-button-prev {
        display: none;
    }

    .advantage_ {
        flex-wrap: wrap;
    }

    .advantage_item {
        width: 50%;
        flex: none;
    }

    .products_item_top {
        width: 100%;
    }

    .products_item_top:nth-child(2n) {
        flex-direction: row-reverse;
    }

    .products_item_top:nth-child(2n)>.text {
        padding-left: var(--font-size-7xl);
    }

    .products_item_bottom {
        width: calc((100% - var(--font-size-lg)) / 2);
    }

    .factory_info {
        flex-direction: column;
    }

    .quality_ {
        flex-direction: column-reverse;
    }

    .quality_left {
        width: 100%;
    }

    .quality_right {
        width: 100%;
    }

    .quality_left .sw-pagination .pagination-btn {
        font-size: var(--font-size-xs);
    }

    .client_ {
        flex-direction: column;
        gap: var(--padding-base);
    }

    .client_left {
        width: 100%;
        padding-right: var(--padding-xl);
    }

    .message_form_ .line {
        flex-wrap: wrap;
    }

    .message_form_ .line input {
        flex: none;
        width: calc((100% - var(--font-size-xl)) / 2);
    }

    .footer_top_mid {
        display: none;
    }

    .footer_top_right {
        display: none;
    }

    .footer_top_left {
        width: 100%;
        align-items: center;
    }

    .footer_top_left .company, .footer_top_left .keywords {
        text-align: center;
        width: auto;
    }

    .footer_bottom {
        flex-direction: column;
    }

    .about {
        flex-direction: column;
    }

    .about_left {
        width: 100%;
    }

    .productlist_ {
        flex-direction: column;
    }

    .productlist_more {
        display: block;
        font-size: var(--font-size-5xl);
    }

    .productlist_left {
        width: 100%;
        display: flex;
        align-items: flex-end;
        flex-direction: column;
        position: relative;
    }
    
    .productlist_nav {
        position: absolute;
        top: calc(150% + var(--font-size-3xl));
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: var(--font-size-3xl);
        border-radius: var(--font-size-xl);
        box-shadow: 0 3px var(--font-size-3xl) rgba(0, 0, 0, 0.1);
        z-index: 2;
        visibility: hidden;
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow: auto;
        max-height: 60dvh;
    }

    .productlist_nav.active {
        top: calc(100% + var(--font-size-3xl));
        opacity: 1;
        visibility: visible;
    }

    .product_top {
        flex-direction: column;
    }

    .product_right {
        width: 100%;
    }

    .product_infos_item_content.fadeInSon {
        right: auto;
        left: 0;
    }

    .workshop_title {
        flex-direction: column;
    }

    .workshop_title_right .desc {
        transform: none;
    }

    .workshop_title_left {
        width: 100%;
    }

    .workshop_item {
        width: calc((100% - var(--font-size-xl)) / 2);
    }

    .contact {
        flex-direction: column;
    }

    .contact {
        gap: var(--padding-base);
    }

    .contact_left {
        width: 100%;
    }

    .banner {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .banner>img {
        width: 200%;
        max-width: none;
        height: auto;
    }


    .banner .swiper .swiper-slide {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .banner .swiper .swiper-slide img {
        width: 150%;
        max-width: none;
        height: auto;
    }

    .banner-sw-float_ {
        gap: 1.5vw;
        padding: 0 var(--padding-base);
    }

    
    .banner-sw-float_ .title {
        font-size: 4.6875vw;

    }

    .banner-sw-float_ .desc {
        font-size: 2.34375vw;
        margin-bottom: 1.5vw;
    }

    .banner-sw-float_ .btn {
        font-size: 1.56249vw;
    }

    .contact_ {
        max-width: none;
    }
}

@media (max-width: 431px) {
    .advantage_item {
        width: 100%;
    }

    .products_item_top {
        flex-direction: column !important;
    }

    .products_item_top>.text {
        padding: var(--font-size-7xl);
        padding-top: 0;
    }
    
    .products_item_top .img {
        width: 100%;
        aspect-ratio: 1 / 0.5;
    }

    .productlist_item {
        width: calc((100% - var(--font-size-6xl)) / 2);
    }

    .quality_left .sw-pagination .pagination-btn {
        font-size: calc(var(--font-size-xs) / 1.5);
    }
}


.float_content {
    width: 4.375em;
    position: fixed;
    transform: translateY(-50%);
    top: 50%;
    right: 0;
    display: flex;
    flex-direction: column;
    z-index: 9999;
    font-size: var(--font-size-base);
}

.float_content_button {
    width: 4.375em;
    height: 4.375em;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    margin-bottom: 3px;
    cursor: pointer;
    border: 0 solid var(--primary-color);
    border-left-width: 3px;
    transition: .5s;
    position: relative;
    right: 0;
    font-size: var(--font-size-base);
}

.float_content_button div:first-child {
    height: 100%;
    width: 0;
    background-color: var(--secondary-color);
    position: absolute;
    left: 0;
    z-index: -1;
    transition: .8s;
}

.float_content_button-img div:first-child {
    transition: .4s;
}

.float_content_button div:nth-child(2) {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    
}

.float_content_button div:nth-child(2) span {
    color: #ffffff;
    font-size: var(--font-size-xs);
    display: block;
    margin-top: 0.4166em;
}

.float_content_button div:nth-child(2)>img {
    height: 40%;
    width: auto;
    filter: brightness(100);
    margin-bottom: 5px;
}

.float_content_button div:nth-child(2) .icon {
    font-size: var(--font-size-3xl);
    fill: #fff;
    color: #fff;
}


.float_content_button div:nth-child(2) .sicon path {
    fill: #fff;
}

.float_content_button div:nth-child(2) p {
    display: none;
    color: #ffffff;
    overflow: hidden;
    white-space: nowrap;
}

.float_content_button-text:hover {
    width: 18.75em;
    right: 14.375em;
    background-color: transparent;
}

.float_content_button-text div:first-child {
    transition: .4s;
}

.float_content_button:hover div:first-child {
    width: 100%;
}

.float_content_button-text:hover div:nth-child(2)>img {
    display: none;
}

.float_content_button-text:hover div:nth-child(2) .icon {
    display: none;
}

.float_content_button-text:hover div:nth-child(2) span {
    display: none;
}

.float_content_button-text:hover div:nth-child(2) p {
    display: block;
}


.float_content_button div:nth-child(2)>div {
    position: absolute;
    top: 50%;
    right: calc(100% + 1em);
    width: 12.5em;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px;
    background-color: #05204D;
    overflow: hidden;
}

.float_content_button div:nth-child(2)>div img {
    width: 100%;
}

.float_content_button-img:hover div:nth-child(2)>div {
    opacity: 1;
    visibility: visible;
    top: 0;
}



@media screen and (max-width:769px){
    .footer {
        margin-bottom: calc(var(--font-size-base) * 3.75);
    }

	.float_content {
        flex-direction: row;
        top: auto;
        bottom: 0;
        transform: translateX(-50%);
        left: 50%;
        width: 100%;
    }

    .float_content_button {
        margin-bottom: 0;
        flex: 1;
        height: 3.75em;
        border-left: none;
    }

    .float_content_button-text div:first-child {
        display: none;
    }

    
    .float_content_button-text:hover {
        width: auto;
        right: auto;
        background-color: rgba(0, 0, 0, 0.5);
    }

    .float_content_button div:first-child {
       display: none;
    }

    .float_content_button-text:hover div:nth-child(2)>img {
        display: block;
    }

    .float_content_button-text:hover div:nth-child(2) .icon {
        display: block;
    }

    .float_content_button-text:hover div:nth-child(2) span {
        display: block;
    }

    .float_content_button-text:hover div:nth-child(2) p {
        display: none;
    }

    .float_content_button div:nth-child(2)>div {
        transform: translateX(-50%);
        left: 50%;
        right: auto;
        width: 100%;
        bottom: 2.5em;
        top: auto;
        overflow: visible;
    }

    .float_content_button div:nth-child(2)>div::after {
        position: absolute;
        top: 100%;
        transform: translateX(-50%);
        left: 50%;
        width: 0.875em;
        height: 0.5em;
        clip-path: polygon(0 0, 100% 0, 50% 100%);
        content: "";
        background-color: #05204D;
        display: block;
    }

    .float_content_button-img:hover div:nth-child(2)>div {
        opacity: 1;
        visibility: visible;
        top: auto;
        bottom: 4.375em;
    }
}

.profile {
    display: flex;
    flex-direction: column;
    gap: var(--padding-lg);
    padding: var(--padding-lg) var(--padding-xl);
}

.profile_item {
    display: flex;
    gap: var(--font-size-9xl);
    align-items: center;
}

.profile_item:nth-child(2n) {
    flex-direction: row-reverse;
}

.profile_text, .profile_img {
    flex: 1;
}

.profile_text .content {
    color: var(--secondary-color);
}

.profile_img .img {
    overflow: hidden;
    border-radius: var(--font-size-lg);
}

.profile_img .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work_title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--font-size-lg);
    margin-bottom: var(--font-size-lg);
    padding: 0 var(--padding-xl);
}

.work_title .sw-btn {
    display: flex;
    align-items: center;
    gap: var(--font-size-xs);
}

.work_title .sw-btn>div {
    font-size: var(--font-size-base);
    width: 2.6em;
    height: 2.6em;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    line-height: 1;
    cursor: pointer;
    transition: .2s;
    user-select: none;
}

.work_title .sw-btn>div:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.work_title .sw-btn>div.swiper-button-disabled {
    opacity: 0.4;
    cursor: auto;
    pointer-events: none;
}

.work_title .sw-btn .sw-btn-prev .iconfont {
    transform: rotate(180deg);
}

.work_ {
    padding: calc(var(--font-size-xs) + 4px) var(--padding-xl);
    overflow: hidden;
}

.work_ .swiper {
    overflow: visible;
}

.work_item {
    padding: var(--font-size-3xl);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-xs);
    box-shadow: 4px 2px var(--font-size-xs) rgba(0, 0, 0, 0.1);
    height: auto;
    border-radius: var(--font-size-xs);
}

.work_item .title {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-xl);
}

.work_item .desc {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    flex: 1;
}

.work_item .year {
    font-size: var(--font-size-8xl);
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

.partner {
    padding: var(--padding-lg) var(--padding-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--font-size-xl);
}

.partner .about_title .title {
    text-align: center;
}

.partner_ img {
    width: 100%;
}

.about_message {
    padding: var(--padding-lg) var(--padding-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--font-size-xl);
    background-image: none;
}

.about_message .about_title .title {
    text-align: center;
}


.about_message .message_form input {
    background-color: #fff;
    border: 1px solid var(--back-color-six);
} 

.about_message .message_form textarea {
    background-color: #fff;
    border: 1px solid var(--back-color-six);
}

.about_message .message_form button {
    border-radius: 1.5em;
}

.newslist {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-5xl);
    padding: var(--padding-lg) var(--padding-xl);
}

.newslist_ {
    display: flex;
    flex-wrap: wrap;
    gap: var(--font-size-2xl);
}

.newslist_item {
    width: calc((100% - 3 * var(--font-size-2xl)) / 4);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: var(--font-size-xs);
    border: 1px solid var(--back-color-one);
}


.newslist_item .img {
    width: 100%;
    aspect-ratio: 1 / 0.7;
    border-radius: var(--font-size-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.newslist_item .img img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.newslist_item .text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--font-size-sm);
    padding: var(--font-size-md);
}

.newslist_item .text .date {
    display: flex;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1;
    gap: 0.4em;
}

.newslist_item .text .date .iconfont {
    font-size: 1.4em;
}

.newslist_item .text .title {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    padding-left: calc(var(--font-size-sm) * 0.2);
}

.newslist_item .text .title:hover {
    color: var(--primary-color);
}

.news_ {
    padding: var(--padding-base) var(--padding-xl);
    padding-top: 0;
}

.news_  .swiper {
    margin-bottom: var(--font-size-2xl);
}

.news .sw-page {
    display: flex;
    justify-content: center;
}

.news .sw-page .swiper-pagination-bullet-active {
    background-color: var(--primary-color);
}

.news_detail {
    padding: var(--padding-md) var(--padding-xl);
    background-color: var(--back-color-one);
}

.news_detail_ {
    width: 100%;
    background-color: #fff;
    border-radius: var(--font-size-xl);
    padding: calc(var(--font-size-xl) * 2);
    display: flex;
    flex-direction: column;
    gap: var(--font-size-xl);
}

.news_detail_title {
    display: flex;
    flex-direction: column;
    gap: var(--font-size-xs);
}

.news_detail_title .date {
    font-size: var(--font-size-xs);
    color: var(--secondary-color);
    line-height: 1;

}

.news_detail_title .title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-medium);
}

.news_detail_ .seqline {
    height: 1px;
    width: 100%;
    background-color: var(--back-color-one);
}

.news_detail_content {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.news_detail_page {
    display: flex;
    gap: var(--font-size-base);
    width: 100%;
    justify-content: space-between;
}

.news_detail_page .prev {
    justify-content: flex-start;
    display: flex;
    gap: 0.4em;
    font-size: var(--font-size-base);
}

.news_detail_page .next {
    justify-content: flex-end;
    display: flex;
    gap: 0.4em;
    font-size: var(--font-size-base);
}

@media (max-width: 1441px) {
    
}

@media (max-width: 1025px) {
    .newslist_item {
        width: calc((100% - 2 * var(--font-size-2xl)) / 3);
    }
}

@media (max-width: 769px) {
    .profile_item {
        flex-direction: column !important;
    }

    .newslist_item {
        width: calc((100% - var(--font-size-2xl)) / 2);
    }
}

@media (max-width: 431px) {
    .newslist_item {
        width: 100%;
    }
}


.product_left {
    position: relative;
    aspect-ratio: 1 / 0.728;
    border: none;
    align-self: center;
}

.product_left_ {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    gap: var(--font-size-3xl);
}

.product_left_ .swiper {
    height: 100%;
    width: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.product_left_ .thumb {
    width: 16%;
    height: 100%;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--font-size-base);
}

.product_left_ .thumb .sw-btn {
    font-size: var(--font-size-lg);
    line-height: 1;
    width: 2em;
    height: 2em;
    border-radius: 50%;
    border: 1px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    cursor: pointer;
    transition: .2s;
}

.product_left_ .thumb .sw-btn-prev {
    transform: rotate(-90deg);
}

.product_left_ .thumb .sw-btn-next {
    transform: rotate(90deg);
}

.product_left_ .thumb .sw-btn:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.product_left_ .thumb .sw-btn.swiper-button-disabled {
    opacity: 0.4;
    cursor: auto;
    pointer-events: none;
}

.product_left_ .thumb_ {
    flex: 1;
    position: relative;
    width: 100%;
}



.product_left_ .img {
    flex: 1;
    height: 100%;
    aspect-ratio: auto;
    border: 1px solid var(--back-color-five);
    padding: var(--font-size-3xl);
}

.product_left_ .img_ {
    position: relative;
    width: 100%;
    height: 100%;
}


.product_left_ .swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

 
.product_left_ .thumb .swiper .swiper-slide {
    cursor: pointer;
    border: calc(var(--font-size-xs) / 2) solid var(--back-color-one);
    transition: opacity .2s, transform .4s;
    opacity: 0.6;
}


.product_left_ .thumb .swiper .swiper-slide.swiper-slide-thumb-active {
    opacity: 1;
    border-color: var(--primary-color);
}

.product_left_ .thumb .swiper .swiper-slide:hover {
    opacity: 1;
}

.product_left_ .thumb .swiper .swiper-slide.swiper-slide-thumb-active img {
    
}

@media (max-width: 769px) {
    .product_left {
        align-self: stretch;
    }
}