@media (min-width: 1120px) {

    body {
        color: #191D48;
        font-size: 14px;
        min-width: 1200px;
        overflow-x: auto;
    }

    header {
        position: absolute;
        top: 0;
        z-index: 1;
        width: 100%;
        height: 55px;
        border-bottom: 1px solid #191D4810;
        background: #3581FF;
        color: #fff;
    }

    .header-core {
        width: 100%;
        max-width: 1200px;
        height: 100%;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .header-core img {
        height: 40px;
    }

    .header-core nav ul {
        width: 564px;
        display: flex;
    }

    .header-core nav ul li {
        display: flex;
        padding: 5px 30px;
        border-radius: 12px;
    }

    .header-core nav ul li:hover {
        background: white;
        color: #3581FF;
    }


    .header-core nav ul li.active {
        background: white;
        color: #3581FF;
    }

    .header-core nav ul li a {
        padding: 4px;
    }

    .header-core .switch {
        display: inline-flex;
        width: 108px;
        height: 36px;
        line-height: 36px;
        border: 1px solid #fff;
        border-radius: 8px;
    }

    .header-core .switch span {
        flex: 1;
        text-align: center;
        cursor: pointer;
    }

    .header-core .switch span:first-child {
        border-top-left-radius: 6px;
        border-bottom-left-radius: 6px;
    }

    .header-core .switch span:last-child {
        border-top-right-radius: 6px;
        border-bottom-right-radius: 6px;
    }

    .header-core .switch span.active {
        background: white;
        color: #3581FF;
    }

    .video-container {
        position: relative;
        width: 100%;
        overflow: hidden;
        cursor: pointer;
    }

    .video-container-content {
        position: absolute;
        font-size: 30px;
        color: #fff;
        bottom: 12.5rem;
        left: 18.75rem;
        animation: fadeInUp 1s ease-out;
        z-index: 9;
    }

    video {
        width: 100%;
        display: block;
    }

    .play-pause-btn {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) scale(1);
        width: 80px;
        height: 80px;
        background-color: rgba(0, 0, 0, 0.7);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .video-container.paused .play-pause-btn {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.1);
    }

    .play-pause-btn::after {
        content: '';
        border-width: 0;
        width: 25px;
        height: 25px;
        background:
                linear-gradient(to bottom, #fff 0%, #fff 100%),
                linear-gradient(to bottom, #fff 0%, #fff 100%);
        background-repeat: no-repeat;
        background-position: 0 0, 12px 0;
        background-size: 10px 25px;
    }

    .video-container.paused .play-pause-btn::after {
        display: block;
        width: 0;
        height: 0;
        border-style: solid;
        border-width: 15px 0 15px 25px;
        border-color: transparent transparent transparent #ffffff;
        margin-left: 5px;
    }

    .three-scene {
        width: 100%;
        height: 730px;
        background: url('../img/bg-1.png') no-repeat center;
        background-size: auto 100%;
        padding-top: 70px;
    }

    .three-scene>h3 {
        font-size: 36px;
        text-align: center;
        color: white;
        margin-top: 0;
    }

    .three-scene>p {
        font-size: 18px;
        text-align: center;
        color: white;
        margin-bottom: 70px;
    }

    .card-list {
        width: fit-content;
        margin: 0 auto;
        display: flex;
        gap: 30px;
    }

    .card-list .card {
        width: 380px;
        height: 404px;
        border-radius: 12px;
        padding: 30px 40px;
    }

    .card-list .card .card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .card-list .card .card-header img:first-child {
        width: 56px;
        height: 56px;
    }

    .card-list .card .card-header img:last-child {
        width: 30px;
        height: 30px;
    }

    .card-list .card>p {
        font-size: 24px;
    }

    .card-list .card:first-child {
        background: #F6F9FF url('../img/pic-1.png') no-repeat center 190px;
        background-size: 290px 180px;
    }

    .card-list .card:nth-child(2) {
        background: #F6F9FF url('../img/pic-2.png') no-repeat center 90px;
        background-size: 222px 284px;
    }

    .card-list .card:last-child {
        background: #F6F9FF url('../img/pic-3.png') no-repeat center 180px;
        background-size: 288px 210px;
    }

    .product-service {
        width: 100%;
        height: 840px;
        background: white url('../img/bg-pop-3.png') no-repeat 100px 400px;
        background-size: 423px 423px;
        padding-top: 70px;
        position: relative;
    }

    .product-service>h3 {
        font-size: 36px;
        text-align: center;
        margin-top: 0;
    }

    .product-service>p {
        font-size: 18px;
        text-align: center;
        margin-bottom: 100px;
    }

    .product-service .process-optimization {
        width: 1200px;
        height: 458px !important;
        padding: 40px;
        border-radius: 30px;
        display: flex;
    }

    .product-service .process-optimization::after {
        content: '';
        position: absolute;
        left: 30px;
        bottom: 30px;
        color: #3581FF;
        opacity: 0.2;
    }

    .product-service .process-optimization:nth-of-type(1)::after {
        content: '01';
    }

    .product-service .process-optimization:nth-of-type(2)::after {
        content: '02';
    }

    .product-service .process-optimization:nth-of-type(3)::after {
        content: '03';
    }

    .swiper-container {
        width: 1200px;
        height: 500px;
        margin: 0 auto;
        overflow: hidden;
        position: relative;
        /* overflow: visible; */
    }

    .swiper-slide {
        transition: all 1s ease-in-out;
        position: absolute;
        bottom: 0;
    }

    .swiper-slide-active {
        transform: scale(1) translateY(0);
        z-index: 100 !important;
        opacity: 1;
        background-color: #F6F9FF;
    }

    .swiper-slide-next {
        transform: scale(0.95) translateY(-34px);
        opacity: 0.8;
        z-index: 1;
        background-color: #EAF1FE;
    }

    .swiper-slide-prev {
        transition: all 0.4s ease-in-out;
        transform: scale(0.9) translateY(-70px);
        opacity: 0.7;
        z-index: 0;
        background-color: #E3EBFA;
    }

    .product-service .process-optimization .desc {
        margin-right: 90px;
    }

    .product-service .process-optimization .desc h3 {
        font-size: 28px;
    }

    .product-service .process-optimization .desc ul {
        color: #757791;
        margin-left: 18px;
    }

    .product-service .process-optimization .desc ul li {
        margin-bottom: 20px;
        list-style: disc;
        font-size: 18px;
    }

    .list-style {
        position: relative;
        font-weight: bold;
    }

    .list-style::before {
        content: '';
        position: absolute;
        left: -20px;
        top: 2px;
        width: 16px;
        height: 16px;
        background: url('../img/icon-success.png') no-repeat center;
        background-size: 100%;
    }

    .product-feature {
        width: 100%;
        height: 1896px;
        background-image: linear-gradient(to right, #B7CDFF40, #B7FFE520);
        padding-top: 70px;
    }

    .product-feature>h3 {
        font-size: 36px;
        text-align: center;
        margin-top: 0;
    }

    .product-feature>p {
        font-size: 18px;
        text-align: center;
        margin-bottom: 100px;
    }

    .feature-item {
        display: flex;
        justify-content: space-between;
        width: 100%;
        max-width: 1250px;
        margin: 0 auto;
    }

    .feature-item .feature-desc {
        width: 450px;
    }

    .feature-item .feature-desc .text {
        color: #757791;
    }

    .feature-item .feature-desc>h3 {
        font-size: 28px;
    }

    .feature-item .feature-img {
        position: relative;
    }

    .feature-item:first-of-type {
        margin-bottom: 80px;
    }

    .feature-item:first-of-type .feature-img {
        height: 425px;
        position: relative;
        background: url('../img/bg-pop-1.png') no-repeat 240px 0px;
        background-size: 530px 425px;
    }

    .feature-item:nth-of-type(2) {
        margin-bottom: 80px;
    }

    .feature-item:nth-of-type(2) .feature-img {
        height: 425px;
        padding-left: 80px;
        margin-right: 100px;
        position: relative;
        background: url('../img/bg-pop-2.png') no-repeat top left;
        background-size: 530px 425px;
    }

    .feature-item:last-of-type .feature-img {
        height: 500px;
        position: relative;
        background: url('../img/bg-pop-1.png') no-repeat 80px 50px;
        background-size: 530px 425px;
    }

    footer {
        height: 280px;
        padding-top: 60px;
        background-color: #030B1C;
    }

    .footer-core {
        width: 100%;
        max-width: 1200px;
        height: 100%;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
    }

    .footer-core img {
        height:100px;
        margin-top: 1.6em;
    }

    .footer-core .link-box {
        display: flex;
        gap: 70px;
    }

    .footer-core .link-box h5 {
        color: white;
    }

    .footer-core .link-box ul {
        color: #7B8391;
    }

    .footer-core .link-box ul li {
        line-height: 2em;
    }

    .contact-box {
        width: 60px;
        height: 320px;
        background-color: white;
        border-radius: 35px;
        position: fixed;
        top: 30vh;
        right: 20px;
        padding-top: 5px;
        padding-bottom: 5px;
        display: flex;
        flex-direction: column;
        box-shadow: 0 0 10px #00000020;
    }

    .contact-box ul {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
    }

    .contact-box ul li {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        position: relative;
    }

    .contact-box ul li:hover::after {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        border-radius: 4px;
        transform: translateY(-70%) translateX(calc(-100% - 10px));
        background-color: white;
        display: none;
    }

    .contact-box ul li:first-child:hover::after {
        display: block;
        content: '';
        width: 150px;
        height: 200px;
        background: white url(../img/qrcode.jpeg) no-repeat center;
        background-size: 100%;
    }

    .contact-box ul li:nth-child(2):hover::after {
        content: '16621086246';
        display: block;
        width: 130px;
        height: 36px;
        line-height: 36px;
        font-size: 18px;
        text-align: center;
    }

    .contact-box ul li:last-child:hover::after {
        content: '16621086246@163.com';
        display: block;
        width: 210px;
        height: 36px;
        line-height: 36px;
        font-size: 18px;
        text-align: center;
    }

    .contact-box ul li img {
        width: 50px;
        height: 50px;
    }

    .contact-box .customer-service {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 50px;
        height: 50px;
        color: white;
        background-color: #3581FF;
        border-radius: 30px;
        margin: 20px auto 0;
        line-height: 1em;
    }
}