@media screen and (max-width: 1600px) {

    .w1200,
    .w1250,
    .w1400,
    .w1500,
    .w1600,
    .w1000,
    .w850 {
        width: 96%;
    }



}

@media screen and (max-width: 1400px) {
    .banner .info h2 {
        font-size: 48px;
        line-height: 1.4;
    }

    .index-page1 h2 {
        font-size: 140px;
    }

    .index-page1 h5 {
        margin: 40px 0;
    }

    .index-page4 {
        padding: 150px 0 80px;
    }

    .index-page4 .w1400 h2 {
        font-size: 40px;
    }

    .index-page4 ul li .top h4 {
        font-size: 24px;
    }

    .index-page5 {
        padding: 60px 0;
    }

    .index-page5 h2 {
        font-size: 56px;
    }

    .index-page5 .form {
        margin: 60px 0 30px;
    }
    .contact-page .left .title{
        font-size: 60px;
    }
}

/*=================================中小型笔记本或大平板 laptop /*=================================*/
@media screen and (max-width: 1200px) {



    .menu_down {
        position: fixed;
        left: 0;
        top: 60px;
        z-index: 999999;
        width: 100%;
        padding: 0 0 22px;
        /* background: rgba(0, 0,0,.5); */
        background: #fff;
        border-top: 1px solid #333;
    }

    .menu_down ul {
        flex-direction: column;
        width: 92%;
        margin: 0 auto;
    }

    .menu_down li>a {
        width: 100%;
        line-height: 3;
        position: relative;
        border-bottom: 1px solid #666;
    }

    .menu_down li span {
        color: var(--color);
        position: absolute;
        top: 50%;
        right: 0%;
        transform: translateY(-50%);
    }

    .menu_down li a {
        padding: 0 10px;
        display: block;
        font-size: 16px;
        /* color: #fff; */
        color: #000;
    }

    .menu_down li .erji {
        display: none;
        /* background: #fab54d; */
        width: 90%;
        margin-left: auto;
        -webkit-transition: all 300ms ease-out;
        -moz-transition: all 300ms ease-out;
        transition: all 300ms ease-out;
    }

    .menu_down li .erji a {
        border-bottom: 1px dashed #ccc;
        line-height: 3;
        font-size: 14px;
    }

    .w850,
    .w1000,
    .w1200,
    .w1250,
    .w1400,
    .w1500,
    .w1600 {
        width: 92%;
    }

    body {
        padding-left: 80px;
    }

    header {
        width: 80px;
    }

    .nav .top .nav1>li .nav2>li:first-child {
        font-size: 24px;
    }

    .nav .bottom h3 {
        font-size: 24px;

    }

    .nav .bottom ul li:first-child {
        font-size: 20px;
    }

    .index-page1 {
        height: auto;
        padding: 50px 0 80px;
    }

    .index-page1 h2 {
        font-size: 90px;
    }

    .index-page4 {
        padding: 100px 0 80px;
    }

    .banner2 .w1400 h2 {
        font-size: 80px;
    }

    .about-page1 .left h3 {
        font-size: 48px;
    }

    .about-page1 .left .editor {
        font-size: 18px;
    }

    .about-page2 h2 {
        font-size: 48px;
    }

    .about-page2 .editor {
        font-size: 24px;
    }

    .service-title h4 {
        font-size: 28px;
    }

    .service-title h2 {
        font-size: 40px;
    }

    .service-page1 ul {
        row-gap: 50px;
    }

    .service-page1 ul li .tit span {
        width: 60px;
        height: 60px;
        line-height: 60px;
        font-size: 36px;
    }

    .service-page1 ul li .tit h3 {
        font-size: 24px;
    }

    .service-page1 ul li .editor {
        font-size: 18px;
    }

    .service-page1 ul li:last-child h3 {
        font-size: 26px;
    }

    .service-page2 .left {
        width: 40%;
        margin: 0 3%;
    }

    .service-title h2 {
        font-size: 32px;
        padding-bottom: 30px;
    }

    .service-page2 .left .editor {
        font-size: 18px;
        margin-top: 20px;
    }

    .service-page3 {
        padding: 60px 0 30px;
    }

    .product-page .title .left h2 {
        font-size: 72px;
    }

    .product-page {
        padding: 60px 0 0;
    }

    .product-page .product-list {
        padding: 80px 0 0;
    }
    .contact-page .left .title{
        font-size: 40px;
    }
    .newsdetail{
                padding: 20px;
        width: 92%;
    }
.news_con li a{
        flex-wrap: wrap;
    }
    .news_con li figure{
        max-width:100%;
        padding-bottom: 3%;
    }
    .news_con li figure p{
        margin:10px 0;
    }
    .news_con li figcaption{
        width:100%;
        height:18rem;
    }

}

@media screen and (max-width: 768px) {
    body {
        padding: 0;
    }

    header {
        height: 80px;
        width: 100%;
        overflow: hidden;
        flex-direction: row;

        justify-content: space-between;
        align-items: center;
    }

    header .logo {
        width: auto;
        height: 60%;
        padding: 0;
        margin: 0 10px;
    }

    header .logo a {
        display: inline-block;
        height: 100%;
    }

    header .logo img {
        height: 100%;
        object-fit: contain;
    }

    .nav{
        padding-left: 0;
        padding-top: 80px;
        left: 0;
        top: -100%;
    }
    .nav.active{
        top: 0;
        left: 0;
    }
    .nav .top .nav1{
        flex-direction: column;
    }
    .nav .top .nav1>li{
        padding: 0;
        margin-bottom: 20px;
    }
    .nav .top .nav1>li .nav2{
        justify-content: space-between;
        flex-wrap: wrap;
        /* flex-direction: row; */
    }
    .nav .top .nav1>li .nav2>li{
        font-size: 14px;
        line-height: 1.2;
        margin: 10px 0;
        /* width: 50%; */
        /* padding-right: 10%; */
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .nav .top .nav1>li .nav2>li:first-child{
        font-size: 20px;
        padding-bottom: 10px;
        margin: 0 0 10px; 
        width: 100%;
       
    }
    .nav .bottom{
        padding: 20px 0;
    }
    .nav .bottom ul{
        flex-direction: column;
    }
    .nav .bottom ul li{
        margin-top: 10px;
        margin-right: 0;
        font-size: 14px;
        width: 100%;
    }
    .nav .bottom ul li:first-child{
        flex-direction: row;
        font-size: 14px;
    }
    .nav .bottom ul li:first-child i{
        font-size: 20px;
    }
    .nav .bottom ul li  i{
        font-size: 20px;
    }
    
    .nav .close-btn {
        top: 100px;
    }
    .navbar-header {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .menu span.icon-bar {
        width: 30px;
    }

    .menu .icon-bar:nth-child(2) {
        margin-top: 6px;
    }

    .menu .icon-bar:nth-child(3) {
        margin-top: 6px;
    }

    .menu .sr-only {
        margin-top: 6px;
        display: none;
    }

    .xz .icon-bar:nth-child(1) {
        transform: rotate(45deg) translate(3px, -3px);
    }

    .xz .icon-bar:nth-child(3) {
        transform: rotate(-45deg) translate(-1px, 6px);
    }







    header .toContact {
        width: 60px;
    }

    .banner {
        height: auto;
        padding-top: 80px;
    }

    .banner .swiper {
        height: 300px;
    }

    .banner .swiper-slide {
        height: 100%;
    }

    .banner .info {
        width: 80%;
        bottom: 10%;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }

    .banner .info h2 {
        font-size: 24px;
    }

    .index-page1{
        padding: 30px 0;
    }
    .index-page1 h2 {
        font-size: 40px;
    }
    .index-page1 h5{
        width: 100%;
        padding-bottom: 30px;
        margin: 20px 0 30px;
        font-size: 20px;
    }

    .index-page1 .bottom {
        width: 100%;
        flex-direction: column;
    }
    .index-page1 .bottom ul{
        width: 100%;
        gap: 0;
        justify-content: space-between;
        padding-bottom: 30px;
    }
    .index-page1 .bottom .more i{
        padding: 6px;
    }
    .index-page2 {
        padding: 30px 0;
    }
    .index-page2 ul{
        gap: 30px;
    }
    .index-page2 ul li {
        display: flex;
        flex-direction: column;
        padding-top: 50px;
    }


    .index-page2 ul li:nth-child(odd) .img1 {
        width: 85%;
        height: 250px;
        margin-right: 10%;
        object-fit: cover;
    }

    .index-page2 ul li:nth-child(even) .img1 {
        width: 85%;
        height: 250px;
        margin-right: 10%;
        object-fit: cover;
        margin-left: 0;
    }

    .index-page2 ul li:nth-child(odd) .img2 {
        width: 50%;
        left: 35%;
        top: 20px;
    }

    .index-page2 ul li:nth-child(even) .img2 {
        width: 50%;
        left: 35%;
        top: 20px;

    }

    .index-page2 ul li:nth-child(odd) .img3 {
        left: auto;
        right: 0;
        top: 200px;
        width: 170px;
        bottom: auto;
    }

    .index-page2 ul li:nth-child(even) .img3 {
        left: auto;
        right: 0;
        top: 200px;
        width: 170px;
        bottom: auto;
    }
    .index-page2 ul li:nth-child(odd) .w-bg{
         width: 180px;
        height: 150px;
        top: 150px;
        right: 0;
        left: auto;
        bottom: auto;
    }
    .index-page2 ul li:nth-child(even) .w-bg{
         width: 180px;
         height: 150px;
         top: 150px;
         right: 0;
         left: auto;
         bottom: auto;
    }
    .index-page2 ul li .bg{
        width: 180px;
        height: 180px;
    }

    .index-page2 ul li:nth-child(odd) .info {
        width: 100%;
        position: static;
        padding: 30px 8% 30px 8%;
        margin-top: 30px;
    }

    .index-page2 ul li:nth-child(even) .info {
        width: 100%;
        position: static;
        padding: 30px 8% 30px 8%;
        margin-top: 30px;
    }
    .index-page2 ul li .info p{
        margin: 20px 0;
    }


    .index-page3{
        background: url(../images/index_page3_bg2.jpg) no-repeat;
        background-size: cover;
        background-position: center bottom;
        overflow: hidden;
    }
	.index-page3{
		height:auto;
	}
.index-page3 .swiper-slide{
	height:auto;
}
.index-page3 .swiper-slide .info h4{
	font-size:24px;
}
    .index-page3 .swiper-slide .img {
        width: 200px;
        height: 200px;
        /* background: rgba(255,255,255,.9); */
        border-radius: 50%;
        right: 0px;
        bottom: -30px;
        text-align: center;
       
    }
    .index-page3 .swiper-slide .img img{
        width: 220px;
        object-fit: contain;
        position: absolute;
        bottom: 50px;
        left: 0;
    }

    .index-page3 .swiper-slide .info p {
        width: 100%;
    }
    .index-page3 .my-swiper-button i{
        padding: 5px;
    }
    .index-page4 {
        padding: 50px 0 30px;
    }

    .index-page4 .w1400 h2 {
        font-size: 30px;
        line-height: 1.4;
        margin-bottom: 20px;
        text-align: center;
    }

    .index-page4 ul {
        grid-template-columns: repeat(1, 1fr);
    }

    .index-page4 ul li .top {
        transform: none;
        text-align: center;
        padding: 60px 0 20px;
    }

    .index-page4 ul li .top h4 {
        transform: none;
        height: auto;
        font-size: 20px;
    }

    .index-page4 ul li p {
        transform: none;
    }

    .index-page4 ul li .top span {
        left: 50%;
        transform: translateX(-50%);
        font-size: 30px;
    }

    .index-page5 {
        padding: 50px 0 30px;
    }

    .index-page5 h2 {
        font-size: 30px;
        text-align: center;
    }

    .index-page5 .form {
        margin: 30px 0;
    }

    .index-page5 .form .top ul {
        flex-direction: column;
    }

    .index-page5 .form .top ul li {
        width: 100%;
    }

    .index-page5 .form .bottom li {
        width: 100%;
    }

    .banner2{
        padding-top: 80px;
    }
    .banner2 img{
        height: 300px;
    }
    .banner2 .w1400{
        bottom: 15%;
    }
    .banner2 .w1400 h2{
        font-size: 36px;
    }
    .banner2 .w1400 h3{
        font-size: 20px;
    }
    .about-page1{
        padding: 30px 0;
    }
    .about-page1 .w1400{
        flex-direction: column;
    }
    .about-page1 .left{
        width: 100%;
    }
    .about-page1 .left h3{
        font-size: 36px;
    }
    .about-page1 .left .editor{
        font-size: 16px;
    }
    .about-page1 .right{
        width: 100%;
        margin-top: 20px;
    }
    .about-page2{
        padding: 50px 0 30px;
    
    }
    .about-page2 h4{
        font-size: 24px;
    }
    .about-page2 h2{
        font-size: 36px;
    }
    .about-page2 .editor{
        font-size: 16px;
        line-height: 2;
    }

    .product-page{
        padding: 120px 0 0 ;
        background-size: cover;
    }
    .product-page .title{
        flex-direction: column;
    }
    .product-page .title .left h2{
        font-size: 36px;
    }
    .product-page .title .right{
        width: 100%;
        text-align: end;
        font-size: 24px;
        line-height: 1.4;
    }
    .product-page .title .right p{
        text-align: left;
    }
    .product-page .product-list{
        grid-template-columns: repeat(3, 1fr);
        gap: 20px 10px;
    }
    .product-page .product-info{
        margin-top: 30px;
        padding: 30px 8%;
        flex-direction: column-reverse;
    }
    .product-page .product-info .left{
        width: 100%;
        margin-top: 20px;
    }
    .product-page .product-info .right{
        width: 100%;
    }
    .product-page .product-info .left h5{
        font-size: 20px;
    }
    .product-page .product-info .left h3{
        font-size: 30px;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
    .product-page .product-info .left h4{
        font-size: 20px;
    }
    .product-page .product-info .left .editor{
        height: auto;
        margin: 20px 0 30px;
    }
    .product-page .product-other-info .p-nav li{
        width: 50%;
        text-align: center;
    }
    .product-page .product-other-info .p-nav li a{
        padding: 20px 0;
        width: 100%;
    }
    .product-page .product-other-info .other-info{
        padding: 30px 8%;
    }
    .product-page .product-other-info .swiper1 .swiper-slide .editor{
        text-align: center;
    }
    .product-page .product-other-info .swiper1 .swiper-slide .img{
        bottom: 20px;
    }
    .product-page .product-other-info .other-info2 .bottom{
        display: flex;
        flex-direction: column;
    }
    .product-page .product-other-info .other-info2 .other-info2-info{
        position: static;
        width: 100%;
        padding:30px 20px;
    }
    .product-page .product-other-info .other-info2 .other-info2-info h4{
        font-size: 24px;
    }
    .product-page .product-other-info .other-info2 .other-info2-info .editor{
        font-size: 16px;
        line-height: 1.6;
    }
    .product-page .product-other-info .other-info2 .swiper2{
        width: 100%;
        margin-top: 10px;
        margin-left: 0;
    }

    .service-page1{
        padding: 50px 0;
    }
    .service-title h4{
        font-size: 24px;
    }
    .service-title h2{
        font-size: 30px;
        padding: 10px 0 20px;
    }
    .service-title h2::after{
        width: 40px;
        height: 4px;
    }
    .service-page1 ul{
        flex-direction: column;
        margin-top: 50px;
        /* row-gap: 30px; */
    }
    .service-page1 ul li{
        width: 100%;
        padding: 0;
    }
    .service-page1 ul li .tit{
        margin-bottom: 20px;
    }
    .service-page1 ul li .tit span{
        width: 50px;
        height: 50px;
        line-height: 50px;
        font-size: 30px;
    }
    .service-page1 ul li .tit h3{
        font-size: 20px;
    }
    .service-page1 ul li .editor{
        font-size: 16px;
        line-height: 1.6;
    }
    .service-page1 ul li:last-child h3{
        font-size: 20px;
    }
    .service-page2{
        flex-direction: column;
    }
    .service-page2 .left{
        width: 92%;
        margin:  0 auto;
    }
    .service-page2 .right{
        width: 92%;
        margin:  20px  auto 0;
    }   
    .service-page3{
        padding: 30px 0;
    }
    .service-page3 ul{
        flex-direction: column;
    }
    .service-page3 ul li{
        width: 100%;
        border-right: 0;
        border-bottom: 1px solid #ccc;
        padding:30px 20px;
    }
    .service-page3 ul li .p1{
        font-size: 20px;
        margin-bottom: 20px;
        line-height: 1.4;
    }
    .contact-page{
        padding: 120px 0 30px;
    }
    .contact-page .flex-x{
        flex-direction: column;
    }
    .contact-page .left{
        width: 100%;
    }
    .contact-page .right{
        width: 100%;
    }
    .contact-page .left .title{
        font-size: 36px;
        line-height: 1.2;
    }
    .contact-page .left .editor{
        font-size: 16px;
    }
    .contact-page .right{
        padding-top: 50px;
    }
    .contact-page .right .form .top ul{
        flex-direction: column;
    }
    .contact-page .right .form .top ul li{
        width: 100%;
    }


    footer .top {
        padding: 40px 0 30px 0;
    }

    footer .bottom {
        flex-direction: column;
        padding: 30px 0 10px;
    }

    footer .bottom>ul {
        flex-direction: column;
        width: 100%;
    }

    footer .bottom ul li {
        width: 100%;
        text-align: center;
        padding: 10px 0;
    }

    footer .bottom ul li::after {
        display: none;
    }

    footer .bottom ul li a {
        display: inline-block;
        width: 100%;
        text-align: center;
        font-weight: bold;
    }

    footer .bottom>p {
        margin-top: 20px;
        text-align: center;
    }
    

}