@media screen and (max-width: 1640px) {}

@media screen and (max-width: 1480px) {
    .banner li .t2 {
        font-size: 48px;
    }

    .banner li .t2 {
        margin: 30px 0;
    }

    .iconlist li .t1 {
        font-size: 20px;
    }

    .iconlist li .con {
        margin-left: 15px;
    }

    .section1 .index-brief {
        margin: 50px 0 70px;
    }

    .advswiper li .icon img {
        height: 50px;
    }

    .advswiper li .t1 {
        font-size: 20px;
        margin: 15px 0;
    }

    .advswiper li .t2 {
        font-size: 14px;
    }

    .advswiper li {
        padding: 24px 20px 24px 24px;
    }

    .product-index-swiper li .bgimg {
        height: 420px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 468px;
    }

    .product-index-swiper {
        height: 468px;
        margin-bottom: 60px;
    }

    .section3 .left .wrap {
        height: 468px;
        margin-bottom: 60px;
    }

    .section3 .left {
        padding-right: 50px;
    }

    .product-index-swiper li .tt {
        padding: 0 20px;
        bottom: 20px;
        font-size: 20px;
    }

    .section3 .title2 {
        margin: 40px 0 30px;
        font-size: 30px;
    }

    .service-list li .con {
        margin-left: 20px;
    }

    .service-list li .icon {
        width: 60px;
    }

    .service-list li a {
        padding: 24px 10px 24px 24px;
    }

    .service-list li .t2 {
        margin-top: 10px;
    }

    .service-list li .t1 {
        font-size: 20px;
    }

    .section5 .title2 {
        font-size: 30px;
    }
}

@media screen and (max-width: 1240px) {
    .banner .swiper-pagination {
        bottom: 20px;
    }

    .banner li .t2 {
        font-size: 40px;
        margin: 24px 0;
    }

    .banner li .t1 {
        font-size: 32px;
    }

    .banner li .t3 {
        font-size: 18px;
    }

    .section1 .index-brief {
        margin: 40px 0 50px;
    }

    .section2 .index-brief {
        margin-top: 40px;
    }

    .section2 .wrap {
        margin-bottom: 50px;
    }

    .product-index-swiper li .bgimg {
        height: 360px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 408px;
    }

    .product-index-swiper {
        height: 408px;
        margin-bottom: 50px;
    }

    .section3 .left .wrap {
        height: 408px;
        margin-bottom: 50px;
    }

    .section3 .swiper-pagination .swiper-pagination-current {
        font-size: 40px;
    }

    .section3 .title2 {
        font-size: 18px;
        margin: 30px 0 20px;
    }

    .section3 .index-brief {
        margin-bottom: 30px;
    }

    .section5 .title2 {
        font-size: 26px;
        margin-top: 50px;
    }

    .section5 .tt {
        font-size: 16px;
    }

    .section5 .tel {
        font-size: 20px;
    }

    .service-list li .icon {
        width: 48px;
    }

    .service-list li .con {
        margin-left: 15px;
    }

    .service-list li a {
        padding: 20px 10px 20px 16px;
    }

    .service-list li .t2 {
        font-size: 14px;
        margin-top: 8px;
    }

    .service-list li {
        margin-bottom: 20px;
    }

    .section4 .index-brief {
        margin: 30px 0 50px;
    }
}

@media screen and (max-width: 1024px) {
    .banner .swiper-pagination-bullet {
        width: 50px;
        height: 8px;
    }

    .banner li .t2 {
        font-size: 32px;
        margin: 16px 0 20px;
    }

    .banner li .t1 {
        font-size: 24px;
    }

    .section1 .index-brief {
        margin: 30px 0 40px;
    }

    .iconlist li .icon {
        width: 32px;
    }

    .iconlist li .con {
        margin-left: 12px;
    }

    .iconlist li .t1 {
        font-size: 18px;
        margin-bottom: 3px;
    }

    .swiper-btns .btn {
        width: 48px;
        height: 48px;
    }

    .swiper-btns .btn+.btn {
        margin-left: 15px;
    }

    .section2 .index-brief {
        margin-top: 30px;
    }

    .section3 .fw {
        display: block;
    }

    .section3 .left {
        width: 100%;
        padding-right: 0;
        margin-bottom: 20px;
    }

    .section3 .left .wrap {
        margin-bottom: 20px;
        height: auto;
    }

    .section3 .swiper-pagination {
        font-size: 18px;
    }

    .section3 .swiper-pagination-current {
        font-size: 32px;
    }

    .section3 .right {
        width: 100%;
        overflow: hidden;
    }

    .service-list li {
        width: 50%;
    }

    .section5 .title2 {
        font-size: 22px;
        margin: 30px 0 20px;
    }

    .section5 .info+.info {
        margin-top: 20px;
    }
}

@media screen and (max-width: 960px) {
    .banner>.swiper-pagination-bullets .swiper-pagination-bullet {
        margin: 0 4px;
    }

    .banner .swiper-pagination-bullet {
        width: 40px;
        height: 5px;
    }

    .banner li .t3 {
        font-size: 16px;
    }

    .section1 .right {
        margin-left: 0;
        max-width: 100%;
        text-align: center;
        margin-top: 30px;
        width: 100%;
    }

    .section1 .fw {
        display: block;
    }

    .section1 .left {
        max-width: 100%;
    }

    .section1 .morewrap {
        margin-top: 30px;
    }
}

@media screen and (max-width: 840px) {
    .banner li .t2 {
        font-size: 28px;
    }

    .banner .swiper-pagination {
        bottom: 15px;
    }

    .product-index-swiper li .tt {
        font-size: 18px;
        padding: 0 15px;
    }

    .product-index-swiper {
        margin-bottom: 30px;
    }

    .section5 {
        background-attachment: initial;
    }
}

@media screen and (max-width: 720px) {
    .banner li .img {
        display: none;
    }

    .banner li a {
        height: 320px;
    }

    .section1 {
        padding: 40px 0;
    }

    .advswiper li .t1 {
        font-size: 18px;
        margin: 10px 0;
    }

    .advswiper li {
        padding: 20px;
    }

    .advswiper li .icon img {
        height: 36px;
    }

    .section2 {
        padding: 40px 0;
    }
}

@media screen and (max-width: 600px) {
    .banner li .t2 {
        font-size: 24px;
        margin: 12px 0 15px;
    }

    .banner li .text {
        padding: 20px 15px 0 15px;
    }

    .banner li a {
        height: 290px;
    }

    .banner li .t3 {
        font-size: 14px;
    }

    .banner li .t1 {
        font-size: 20px;
    }

    .banner .swiper-pagination-bullet {
        width: 30px;
    }

    .iconlist li {
        width: 50%;
        margin-bottom: 20px;
    }

    .iconlist {
        flex-wrap: wrap;
    }

    .section1 .morewrap {
        margin-top: 10px;
    }

    .section2 .wrap {
        display: block;
    }

    .section2 .swiper-btns {
        margin-left: 0;
        margin-top: 20px;
        text-align: right;
    }

    .section2 .index-brief {
        margin-top: 20px;
    }

    .section2 .wrap {
        margin-bottom: 30px;
    }

    .swiper-btns .btn {
        width: 42px;
        height: 42px;
    }

    .swiper-btns .btn+.btn {
        margin-left: 10px;
    }

    .product-index-swiper li .bgimg {
        height: 300px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 340px;
    }

    .product-index-swiper li a {
        padding: 20px 0;
    }

    .product-index-swiper {
        height: 340px;
    }

    .section3 .swiper-pagination {
        font-size: 16px;
    }

    .section3 .swiper-pagination-current {
        font-size: 32px;
    }

    .section3 .left {
        margin-bottom: 12px;
    }

    .section3 {
        padding: 40px 0;
    }

    .service-list li {
        width: 100%;
    }

    .section4 {
        padding: 40px 0 30px;
    }

    .section4 .index-brief {
        margin: 24px 0 32px;
    }

    .section5 .title2 {
        font-size: 20px;
    }

    .section5 {
        padding: 40px 0 80px;
    }

    .section3 .title2 {
        margin: 20px 0 12px;
    }
}

@media screen and (max-width: 480px) {
    .section1 .index-brief {
        margin: 20px 0 24px;
    }

    .iconlist li .t1 {
        font-size: 16px;
    }

    .iconlist li .t2 {
        font-size: 12px;
    }

    .advswiper li {
        padding: 15px;
    }

    .advswiper li .icon img {
        height: 32px;
    }

    .product-index-swiper li .bgimg {
        height: 260px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 300px;
    }

    .product-index-swiper {
        height: 300px;
    }

    .section5 .tt {
        line-height: 1.7;
    }

    .section5 .tel {
        font-size: 18px;
        margin-top: 4px;
    }

    .advswiper li .t1 {
        font-size: 16px;
        margin-bottom: 6px;
    }
}

@media screen and (max-width: 440px) {
    .product-index-swiper li .bgimg {
        height: 220px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 260px;
    }

    .product-index-swiper {
        height: 260px;
    }

    .product-index-swiper li .tt {
        font-size: 16px;
        bottom: 15px;
    }

    .section3 .swiper-pagination .swiper-pagination-current {
        font-size: 36px;
    }

}

@media screen and (max-width: 400px) {
    .product-index-swiper li .bgimg {
        height: 200px;
    }

    .product-index-swiper li.swiper-slide-active .bgimg {
        height: 240px;
    }

    .product-index-swiper {
        height: 240px;
    }
}