@media screen and (min-width: 768px) {
    .container {
        width: 760px;
        margin: 0 auto;
    }

    .ps30 {
        padding: 30px;
    }

    .m100 {
        margin: 100px 0;
    }

    .m50 {
        margin: 50px 0;
    }

    .p100 {
        padding: 100px 0;
    }

    .p50 {
        padding: 50px 0;
    }

    .grid {
        gap: 30px;
    }

    .grid2 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* .btnlist{
        flex-direction: row;
    } */
    /* reset */
    /* tool bar */
    .tool-bar {
        left: 5px;
        bottom: 200px;
        z-index: 99;
    }

    .tool-item {
        position: relative;
        width: 80px;
        height: 64px;
        margin-bottom: 1px;
    }

    .tool-item-cap {
        border-radius: 4px;
    }

    .tool-item-cap:hover {
        background: var(--hover-color);
    }

    .tool-item-cap .fa {
        margin-top: 10px;
        font-size: 24px;
    }

    .tool-item-name {
        font-size: 13px;
    }

    .tool-qrcode {
        top: 0;
        left: 80px;
        padding: 10px 10px 1px;
        box-shadow: 0 2px 4px 0 rgba(0, 0, 0, .1);
        border-radius: 4px;
    }

    .tool-qrcode .wechat-qrcode {
        margin-bottom: 10px;
    }

    .tool-qrcode .wechat-qrcode .qrcode {
        height: 128px;
        width: 128px;
        border: 1px solid var(--border-color);
        border-radius: 4px;
        padding: 3px;
        margin-bottom: 4px;
    }

    .tool-qrcode .qrcode img {
        height: 120px;
        width: 120px
    }

    .tool-qrcode .qrcode-name {
        margin-bottom: 10px;
        font-size: 13px;
        color: var(--des-color);
    }

    .tool-tel {
        top: 0;
        width: 280px;
        height: 64px;
        border-radius: 4px;
        line-height: 64px;
        font-size: 28px;
    }

    .tool-tel .fa {
        margin-right: 20px;
    }

    /* end tool bar */
    /* header */
    .header-contact {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-right: 50px;
    }

    /* header */
    /* slider */
    /* .slider {
        background: url(../img/pad-banner.webp) no-repeat;
    } */

    /* slider */
    /* layout */
    /* section-title */
    .section-title {
        margin-bottom: 50px;
    }

    /* section-title */
    /* section-1 */
    .product-tabs {
        position: absolute;
        right: 0;
        top: 0;
        padding: 10px 20px;
        z-index: 2;
    }

    .product-tabs .tab {
        margin-left: 12px;
    }

    .product-list-ul {
        gap: 30px;
    }

    .main-products-ul {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }

    /* section-1 */
    /* section-3 */
    .news-tabs {
        position: absolute;
        top: 30px;
        right: 0;
        display: flex;
        gap: 12px;
        z-index: 5;
    }

    .news-tabs .tab {
        margin-left: 12px;
    }

    /* section-3 */
    /* section-6 */
    .section-6-ul {
        grid-template-columns: repeat(5, 1fr);
    }

    /* section-6 */
    /* layout */
    /* footer */
    .footer-item {
        flex-direction: row;
        justify-content: space-between;
    }

    .footer-prolist {
        width: 45%;
    }

    .footer-contact {
        width: 45%;
    }

    .footer-ewm-ul {
        width: 100%;
    }

    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    /* footer */
    /* indexpro */
    .main-title-title {
        margin-bottom: 80px;
    }

    .main-title-menu {
        min-width: 500px;
        height: 280px;
    }

    .indexpro-item1 .indexpro-ul {
        margin-top: -150px !important;
    }

    .indexpro-item2-content {
        gap: 30px;
    }

    .main-title-ul {
        grid-template-columns: repeat(3, 1fr);
    }

    .indexpro-item2-heading-content {
        padding: 30px 0;
        gap: 30px;
    }

    /* indexpro */
    /* list-case */
    .caselist>li>a {
        flex-direction: row;
        align-items: center;
    }

    .caselist .img {
        width: 48%;
    }

    /* list-case */
    /* about */
    /* about-1 */
    .about-1-content {
        gap: 30px;
    }

    .about-1-ul {
        margin-top: 100px;
    }

    /* about-1 */
    .about-3-ul-1 {
        flex-direction: row;
    }

    /* about-3 */
    .about-3-ul-2 {
        gap: 30px;
    }

    .about-3-ul-2>li:nth-child(2) {
        grid-column: span 2;
    }

    .about-3-ul-2>li:nth-child(6) {
        grid-column: span 2;
    }

    /* about-3 */
    /* about-4 */
    .about-4-ul {
        margin-top: 80px;
    }

    .about-4-ul li:nth-child(1) {
        position: absolute;
        left: 0;
        top: 0;
    }

    .about-4-ul li:nth-child(2) {
        position: absolute;
        right: 0;
        top: 0;
    }

    .about-4-ul li:nth-child(3) {
        position: absolute;
        left: 0;
        bottom: 0;
    }

    .about-4-ul li:nth-child(4) {
        position: absolute;
        right: 0;
        bottom: 0;
    }

    /* about-4 */
    /* about */
    /* zkl */
    .banner-btn-list {
        flex-direction: row;
        align-items: center;
    }

    .zkl-content {
        gap: 60px;
    }

    .page-menu-ul {
        gap: 0;
        grid-template-columns: repeat(3, 1fr);
    }

    /* item1 */
    .page-content-item1-ul {
        grid-template-columns: repeat(3, 1fr);
    }

    .page-content-item1-ul>li>.text {
        padding: 20px;
    }

    .page-content-yy-content-top {
        flex-direction: row;
        justify-content: space-between;
    }

    .page-content-yy-content-top-text {
        width: 54%;
    }

    .page-content-yy-content-top-ul {
        width: 30%;
    }

    .page-content-yy-content-bottom-left-text-ul {
        width: 480px;
    }

    /* item1 */
    /* item2 */
    .page-content-item2-content {
        padding: 45px 50px;
    }

    .page-content-item2-content-heading {
        flex-direction: row;
    }

    .page-content-item2-ul {
        grid-template-columns: repeat(3, 1fr);
    }

    /* item2 */
    /* item6 */
    .page-content-item6-top-title {
        margin-bottom: 60px;
    }

    .page-content-item6-listjg {
        grid-template-columns: repeat(3, 1fr);
        gap: 60px;
        padding: 45px;
    }

    /* item6 */
    /* item5 */
    .page-content-item5-ul>li>a {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .page-content-item5-ul>li>a>.img {
        width: 30%;
    }

    /* item5 */
    .tab-img-wrap {
        width: 100px;
    }

    /* item9 */
    .page-content-item9-ul {
        grid-template-columns: repeat(4, 1fr);
    }

    /* item9 */
    /* item10 */
    .page-content-item10-li2-content {
        flex-direction: row;
    }

    /* item10 */
    /* item11 */
    .page-content-item11-content {
        flex-direction: row;
        justify-content: space-between;
        padding: 30px;
    }

    .page-content-item11-content .page-content-item2-content-heading {
        flex-direction: column;
        justify-content: flex-start;
        gap: 60px;
    }

    .page-content-item11-content .page-content-item2-content-heading .more {
        align-self: self-start;
    }

    .page-content-item11-content .page-content-item2-content-heading-text {
        flex-direction: column;
        align-items: self-start;
        margin-top: 50px;
    }

    .page-content-item11-ul>li {
        background: var(--white-color);
        padding: 20px;
    }

    /* item11 */
    /* item12 */
    .page-content-item12-content-ul {
        grid-template-columns: repeat(4, 1fr);
    }

    .page-content-item12-list {
        grid-template-columns: repeat(3, 1fr);
    }

    /* item12 */
    /* zkl */
    /* message */
    .message form {
        grid-template-columns: repeat(2, 1fr);
    }

    .message form textarea {
        grid-column: span 2;
    }

    /* message */
    .page-content-title {
        flex-direction: row;
        align-items: center;
    }

    .page-content-title .more {
        align-self: center;
    }

    /* indexnews */
    .indexnews-2-ul {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .indexnews-4-ul>li {
        flex-direction: row-reverse;
        gap: 50px;
    }

    .indexnews-4-ul>li>.img {
        width: 260px;
    }

    .indexnews-4-ul>li>.text {
        gap: 30px;
    }

    /* indexnews */
    /* listnews */
    .page-content-menu {
        gap: 30px;
    }

    .list-blog li {
        flex-direction: row;
        align-items: center;
        gap: 30px;
    }

    .list-blog li .img {
        width: 260px;
    }

    /* listnews */
    /* single-arc */
    .text-ul {
        gap: 40px;
    }

    .single-des {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .single-des-contact {
        gap: 70px;
    }

    /* single-arc */
    /* indexcase */
    .indexcase-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .indexcase-img {
        width: 45%;
    }

    /* indexcase */
    /* contact */
    /* contact-3 */
    .contact-ul-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    /* contact-3 */
    /* contact-4 */
    .contact-content-title{
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .contact-4-ul-1 {
        grid-template-columns: repeat(3, 1fr);
    }
    /* contact-4 */
    /* contact-5 */
    .contact-5-ul{
        grid-template-columns: repeat(2,1fr);
        gap: 30px;
    }
    /* contact-5 */
    /* contact */
}

@media screen and (min-width: 1230px) {
    .container {
        width: 1200px;
    }

    .ps50 {
        padding: 50px;
    }

    .grid3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .grid5 {
        grid-template-columns: repeat(5, 1fr);
    }

    .grid6 {
        grid-template-columns: repeat(6, 1fr);
    }

    .imgtext {
        flex-direction: row;
        align-items: center;
    }

    .textimg {
        flex-direction: row-reverse;
        align-items: center;
    }

    /* reset */
    /* header */
    .nav-menu {
        display: flex;
        align-items: center;
    }

    .nav-menu>li {
        position: relative;
        z-index: 2;
    }

    .nav-menu>li>a {
        position: relative;
        text-transform: uppercase;
        display: block;
        padding: 15px 25px;
        font-size: 18px;
        font-weight: 500;
        line-height: 21px;
    }

    .nav-menu>li>a:hover {
        color: var(--hover-color);
    }

    .nav-menu-child li a:hover {
        color: var(--hover-color);
    }

    .nav-menu>li:hover .nav-menu-child {
        position: absolute;
        z-index: 999;
        opacity: 1;
        left: 0;
        top: 100%;
        display: block;
        width: 150%;
        box-shadow: 1px 2px 21px 0 rgb(1 1 1 / 15%);
    }

    .nav-menu>li:hover .nav-menu-full {
        position: absolute;
        z-index: 999;
        opacity: 1;
        left: -360px;
        top: 100%;
        display: block;
        width: 1200px;
        box-shadow: 1px 2px 21px 0 rgb(1 1 1 / 15%);
    }

    .nav-menu-full-list {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
    }

    .nav-menu-child-child {
        display: none;
        box-shadow: 1px 2px 21px 0 rgb(1 1 1 / 15%);
    }

    .nav-menu-child>li:hover .nav-menu-child-child {
        display: block;
        position: absolute;
        z-index: 1111;
        width: 100%;
        top: 0;
        left: 100%;
    }

    .header-contact {
        margin-right: 0;
    }

    /* header */
    /* slider */
    /* .slider {
        background: url(../img/pc-banner.webp) no-repeat;
        background-position: center;
    } */

    /* slider */
    /* layout */
    /* section-1 */
    .product-list-ul {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-list-ul>li>.text {
        padding-top: 100px;
    }

    /* section-1 */
    /* section-2 */
    .section-2-content {
        flex-direction: row-reverse;
        align-items: center;
        gap: 30px;
    }

    .section-2-content-heading {
        width: 35%;
    }

    /* section-2 */
    /* section-4 */
    .section-4-content {
        flex-direction: row-reverse;
        align-items: center;
    }

    .section-4-img {
        width: 50%;
    }

    .section-4-text {
        width: 50%;
    }

    /* section-4 */
    /* layout */
    /* footer */
    .footer-prolist {
        width: 25%;
    }

    .footer-contact {
        width: 30%;
    }

    .footer-ewm-ul {
        width: 30%;
    }

    /* footer */
    /* page-banner */
    .page-banner-content {
        gap: 50px;
    }

    .page-banner-content .textimg-img {
        width: 40%;
    }

    /* page-banner */
    /* index-products */
    .main-title-ul {
        grid-template-columns: repeat(3, 1fr);
    }

    .indexpro-item2-content {
        flex-direction: row;
    }

    .indexpro-item2-heading {
        width: 380px;
        height: 685px;
    }

    .indexpro-item2-heading-content {
        padding: 100px 0;
    }

    .indexpro-item2-ul {
        grid-template-columns: repeat(1, 1fr);
    }

    /* index-products */
    /* list-case */
    .caselist .img {
        width: 40%;
    }

    /* list-case */
    /* single-product */
    .page {
        flex-direction: row;
        gap: 70px;
    }

    .sidebar {
        width: 290px;
    }

    .toppro-content {
        flex-direction: row;
        align-items: center;
        gap: 30px;
    }

    .toppro-img {
        width: 45%;
    }

    /* single-product */
    /* about */
    /* about-1 */
    .about-1-content {
        flex-direction: row;
        justify-content: space-between;
        gap: 50px;
    }

    .about-1-img {
        width: 45%;
    }

    .about-1-text {
        gap: 52px;
    }

    .about-1-ul {
        grid-template-columns: repeat(4, 1fr);
    }

    /* about-1 */
    /* about-4 */
    .about-4-ul {
        background: url(../img/about-4-bg.webp) no-repeat;
        background-position: center center;
        background-size: auto;
    }

    /* about-4 */
    /* about */
    /* contact */
    /* contact-3 */
    .contact-ul-3 {
        grid-template-columns: repeat(5, 1fr);
    }

    .contact-ul-3 li {
        padding: 50px 20px;
    }
    /* contact-3 */
    /* contact-4 */
    .contact-4-ul-1 li{
        padding-left: 50px;
        gap: 25px;
    }
    .contact-4-ul-1 li:nth-child(1){
        width: 400px;
        height: 79px;
        background: url(../img/contact-4-bg-1.webp) no-repeat;
        background-size: 400px 79px;
    }
    .contact-4-ul-1 li:nth-child(2) {
        width: 400px;
        height: 79px;
        background: url(../img/contact-4-bg-2.webp) no-repeat;
        background-size: 400px 79px;
    }
    
    .contact-4-ul-1 li:nth-child(3) {
        width: 400px;
        height: 79px;
        background: url(../img/contact-4-bg-3.webp) no-repeat;
        background-size: 400px 79px;
    }
    .contact-4-ul-2{
        gap: 30px;
        grid-template-columns: repeat(2,1fr);
    }
    /* contact-4 */
    /* contact-5 */
    .contact-5-content{
        flex-direction: row;
    }
    .contact-5-ul{
        width: 750px;
        gap: 50px;
    }
    .contact-5-ul li{
        padding: 30px 50px;
    }
    /* contact-5 */
    /* contact */
    /* zkl */
    .zkl-banner-content {
        flex-direction: row-reverse;
        justify-content: space-around;
        align-items: center;
    }

    .zkl-banner-img {
        width: 500px;
    }

    .zkl-banner-text {
        width: 600px;
    }

    .page-menu li:nth-child(n+2) a::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 1px;
        height: 66px;
        background: var(--text-color);
    }

    /* zkl */
    /* message */
    .message-content {
        max-width: 840px;
    }

    /* message */
    /* indexnews */
    .indexnews-2-ul {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }

    .indexnews-2-ul>li:first-child {
        grid-column: span 2;
        position: relative;
    }

    .indexnews-2-ul>li:first-child .text {
        position: absolute;
        left: 0;
        bottom: 0;
        right: 0;
        background: linear-gradient(to top, #000, transparent);
        padding: 0;
    }

    .indexnews-2-ul>li:first-child .text .text-bottom {
        background: none;
    }

    .indexnews-2-ul>li:first-child .text .text-bottom li {
        color: var(--white-color);
    }

    .indexnews-2-ul>li:first-child .text .text-bottom i {
        display: none;
    }

    .indexnews-2-ul>li:first-child .text .text-title-item .small-title {
        color: var(--white-color);
    }

    .indexnews-2-ul>li:first-child .text .text-title-item h3 a {
        color: var(--white-color);
    }

    .indexnews-4-ul>li {
        gap: 100px;
    }

    .indexnews-4-ul>li>.text {
        gap: 50px;
    }

    /* indexnews */
    /* listnews */
    .page-content-menu {
        gap: 80px;
    }

    .list-blog li {
        gap: 50px;
    }

    /* listnews */
    /* indexcase */
    .indexcase-text a.more {
        position: absolute;
        left: 50px;
        bottom: 100px;
    }

    .indexcase .swiper-pagination {
        right: 30px;
        bottom: 30px;
    }

    /* indexcase */
    /* contact */
    .contact-ul-2-2 {
        right: 50px;
        top: 80px;
    }

    /* contact */
}