@media screen and (max-width: 1600px) {
    .pc-head .nav ul li a {
        font-size: 18px;
        margin: 0 10px;
    }

    .hotlie p {
        font-size: 18px;
    }
}

@media screen and (min-width: 1300px) and (max-width: 1400px) {
    .pc-head .nav ul li a {
        font-size: 17px;
        margin: 0 5px;
    }

    .hotlie p {
        font-size: 18px;
    }

    .home-slider .slidercount .year .year-item .year-itemnum h2 {
        font-size: 76px;
    }

    .home-about {
        margin-top: 8rem;
    }

    .home-product {
        padding: 8rem 0 5rem 0;
    }

    .footer dl {
        padding: 0 4rem 0 0;
    }

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }

    .home-news .news-top .news-topleft {
        width: 45%;
    }
}

@media screen and (min-width: 1200px) and (max-width: 1300px) {

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }

    .home-news .news-top .news-topleft {
        width: 45%;
    }
}

@media screen and (min-width: 1100px) and (max-width: 1199px) {

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }

    .home-news .news-top .news-topleft {
        width: 45%;
    }
}

@media screen and (min-width: 1024px) and (max-width: 1099px) {

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }

    .home-news .newsitem .newstext .newscontent,
    .home-news .newsitem .newstext .newsdate {
        font-size: 14px;
        margin-bottom: 5px;
    }
}

@media screen and (min-width: 1025px) and (max-width: 1199px) {
    .home-news .news-top .news-topleft {
        width: 45%;
    }

    .pc-head .logo img {
        width: 100%;
    }
}

@media screen and (min-width: 1025px) and (max-width: 1299px) {
    .hotlie p {
        font-size: 18px;
    }

    .headtext {
        display: none;
    }

    .home-slider .slidertext h1 {
        font-size: 52px;
    }

    .home-slider .slidercount {
        bottom: 15%;
    }

    .home-slider .slidercount .year .year-item .year-itemnum h2 {
        font-size: 62px;
    }

    .home-product {
        padding: 7rem 0 5rem 0;
    }

    .home-product .h-productitem .h-productimg img {
        height: 160px;
    }

    .home-product .h-productitem .h-producttext .h-productnum {
        font-size: 4rem;
    }

    .home-case .p_box .p_smallbox p {
        font-size: 26px;
    }

    .home-case .p_box .p_smallbox p:last-child {
        font-size: 22px;
    }

    .home-news .news-top h3 {
        margin-bottom: 20px;
        font-size: 20px;
    }

    .home-news .news-top h2 {
        font-size: 22px;
    }

    .home-news .news-top p {
        line-height: 2;
    }

    .home-news .news-bottom .news-list .news-time {
        padding-right: 10px;
    }

    .home-news .news-bottom .news-list .news-time span {
        font-size: 50px;
    }

    .home-news .news-bottom .news-list .news-time p {
        font-size: 21px;
    }

    .footer dl {
        padding: 0 3rem 0 0;
    }

    .footer dl dt {
        font-size: 20px;
    }

    .footer dl dd {
        font-size: 16px;
    }

    .ewm img {
        max-height: 100px;
    }

    .home-about .h-abouttext {
        width: 60% !important;
    }

    .ewm p {
        font-size: 16px;
    }
}

@media screen and (max-width: 1200px) {
    .home-product ul li {
        margin-bottom: 35px;
    }

    .home-product ul li .desc {
        padding: 12px 0;
    }

    .home-product ul li .desc .txt {
        padding-left: 10px;
    }

    .home-product ul li .desc .txt h3 {
        font-size: 16px;
    }
}

@media screen and (min-width: 992px) and (max-width: 1024px) {
    .product .productitem .producttitle {
        padding: 10px;
    }

    .product .productitem .producttitle p {
        font-size: 14px;
    }

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }
}

@media screen and (max-width: 1024px) {
    .pc-head {
        display: none;
    }

    .xymob-head {
        display: block;
    }

    .home-slider .slidertext h1 {
        font-size: 46px;
        -webkit-text-stroke: unset;
    }

    .home-slider .slidertext2 h1 {
        font-size: 46px;
    }

    .home-slider .slidercount {
        bottom: 20%;
    }

    .home-slider .slidercount .year .year-item .year-itemnum h2 {
        font-size: 56px;
    }

    .home-slider .slidercount .year .year-item p {
        font-size: 26px;
    }

    .home-about .h-abouttext h2 {
        font-size: 24px;
    }

    .home-product {
        padding: 5rem 0 5rem 0;
    }

    .home-product .h-productitem .h-productimg img {
        height: 120px;
    }

    .home-product .h-productitem .h-producttext .h-productnum {
        font-size: 2.5rem;
    }

    .home-product .h-productitem .h-producttext .h-producttxt {
        font-size: 18px;
    }

    .home-case .p_box .p_smallbox p {
        font-size: 22px;
    }

    .home-case .p_box .p_smallbox p:last-child {
        font-size: 20px;
    }

    .home-case .case .p_info .p_infobox h2 {
        font-size: 38px;
    }

    .home-case .case .p_info .p_infobox p {
        font-size: 24px;
    }

    .home-news .news-title h2 {
        font-size: 35px;
    }

    .home-news .news-top h2 {
        font-size: 22px;
    }

    .home-news .news-bottom .news-list .news-time {
        padding-right: 10px;
    }

    .home-news .news-bottom .news-list .news-time span {
        font-size: 42px;
    }

    .home-news .news-bottom .news-list .news-time p {
        font-size: 18px;
    }

    .home-news .news-bottom .news-list .news-content {
        padding-left: 15px;
    }

    .home-news .news-bottom .news-list .news-content h3 {
        font-size: 18px;
    }

    .home-news .news-bottom .news-list .news-content p {
        font-size: 14px;
    }

    .footer dl {
        padding: 0 1rem 0 0;
    }

    .footer dl dt {
        font-size: 18px;
    }

    .footer dl dd {
        font-size: 14px;
    }

    .ewm img {
        max-height: 100px;
    }

    .banner {
        margin-top: 70px;
    }

    .home-slider {
        padding-top: 70px;
    }

    .home-slider img {
        width: 100%;
        height: 100%;
        object-fit: unset;
    }

    .home-slider .slidercount {
        display: none;
    }

    .home-about .h-abouttext {
        width: 60% !important;
    }

    .home-news .newsitem .newstext .newscontent {
        font-size: 14px;
        margin-bottom: 5px;
    }

    .home-news .newsitem .newstext .newsdate {
        font-size: 14px;
    }

    .home-news .news-top .news-topleft {
        width: 45%;
    }

    .home-news .news-top h3 {
        margin-bottom: 20px;
        font-size: 20px;
    }

    .home-news .news-top h2 {
        font-size: 22px;
    }

    .home-news .news-top p {
        line-height: 2;
    }
}

@media screen and (max-width: 992px) {

    .qyfccontent .qyfcitem .qyfcimg,
    .mdsmcontent .mdsmitem .mdsmimg,
    .yghdcontent .yghditem .yghdimg,
    .swhzcontent .swhzitem .swhzimg {
        height: 22vw;
    }

    .qyfccontent .newqyfcitem .qyfcimg {
        height: 30vw;
    }

    .home-news .newsitem {
        margin-bottom: 20px;
    }

    .home-news .newsitem .newstext {
        padding: 10px 0;
    }

    .home-news .newsitem .newsimg {
        height: 25vw;
    }

    .home-news .news-top .news-topleft {
        width: 100%;
        margin-bottom: 20px;
    }

    .home-news .h-newsimg {
        height: 55vw;
    }

    .home-news .news-top h3 {
        margin-bottom: 5px;
    }

    .home-news .news-top h2 {
        margin-bottom: 10px;
    }

    .home-news .news-top .news-topright {
        width: 100%;
    }

    .product .productitem .productimg {
        height: 40vw;
    }

    .oul .pone .od .jiantou,
    .oul .pone .od:hover .jiantou,
    .oul .pone .od.active .jiantou,
    .tul .ptwo .td .jiantou,
    .tul .ptwo .td:hover .jiantou,
    .tul .ptwo .td.active .jiantou {
        background-size: 10%;
    }

    .ewm p {
        font-size: 14px;
    }

    .home-product ul li .pic {
        height: 16vw;
    }

    .home-product ul li .desc .time span {
        font-size: 18px;
    }

    .home-product ul li .desc .time em {
        font-size: 12px;
    }

    .home-product ul li .desc .txt h3 {
        font-size: 14px;
    }
}

@media screen and (max-width: 768px) {
    .home-slider .slidertext h1 {
        font-size: 38px;
    }

    .home-slider .slidertext2 h1 {
        font-size: 38px;
        letter-spacing: 8px;
    }

    .home-slider .slidercount {
        bottom: 25%;
    }

    .home-slider .slidercount .year .year-item .year-itemnum h2 {
        font-size: 42px;
    }

    .home-slider .slidercount .year .year-item .year-itemnum span {
        font-size: 21px;
    }

    .home-slider .slidercount .year .year-item p {
        font-size: 21px;
    }

    .home-about {
        height: unset;
    }

    .home-about .h-abouttext h2 {
        font-size: 21px;
    }

    .home-about .h-abouttext .p p {
        font-size: 14px;
        font-weight: unset;
    }

    .home-about .h-abouttext .aboutbtn .more {
        justify-content: flex-end;
        margin-top: 0;
    }

    .home-about .h-abouttext .aboutbtn .more span img {
        display: none;
    }

    .home-about .h-abouttext .aboutbtn .more:hover::after {
        width: 0;
    }

    .home-about .aboutyearimg img {
        display: none;
    }

    .home-product {
        padding: 3rem 0 3rem 0;
        height: unset;
    }

    .home-product .h-productitem .h-productimg img {
        height: 150px;
    }

    .home-product .h-productitem .h-producttext .h-productnum {
        font-size: 2.5rem;
    }

    .home-product .h-productitem .h-producttext .h-producttxt {
        font-size: 18px;
    }

    .home-case .p_box .p_smallbox p {
        font-size: 18px;
    }

    .home-case .p_box .p_smallbox p:last-child {
        font-size: 16px;
    }

    .home-case .case .p_info .p_infobox {
        width: 100%;
    }

    .home-case .case .p_info .p_infobox h2 {
        font-size: 28px;
        margin-bottom: 2%;
    }

    .home-case .case .p_info .p_infobox p {
        font-size: 18px;
    }

    .home-news {
        margin: 3rem 0 3rem 0;
    }

    .home-news .news-title h2 {
        font-size: 35px;
    }

    .home-news .news-title .newsmore {
        justify-content: flex-end;
    }

    .home-news .news-title .newsmore:hover::after {
        width: 0;
    }

    .home-news .news-title .newsmore span img {
        display: none;
    }

    .home-news .news-top {
        margin-bottom: 2%;
        padding: 0 15px;
    }

    .home-news .news-top h2 {
        font-size: 18px;
        -webkit-line-clamp: 1;
    }

    .home-news .news-top p {
        line-height: 2;
        -webkit-line-clamp: 2;
    }

    .home-news .news-top h3 {
        margin-bottom: 10px;
    }

    .home-news .news-bottom {
        margin: 0;
    }

    .home-news .news-bottom .news-list {
        margin-bottom: 20px;
        padding: 0 0 5px 0;
        border-bottom: 1px dashed #ccc;
    }

    .home-news .news-bottom .news-list .news-time {
        display: none;
    }

    .home-news .news-bottom .news-list .news-time span {
        font-size: 42px;
    }

    .home-news .news-bottom .news-list .news-time p {
        font-size: 18px;
    }

    .home-news .news-bottom .news-list .news-content {
        padding-left: 0;
    }

    .home-news .news-bottom .news-list .news-content h3 {
        font-size: 18px;
    }

    .home-news .news-bottom .news-list .news-content p {
        font-size: 14px;
        line-height: 1.5;
    }

    .footer .footnav {
        display: none;
    }

    .footer dl {
        padding: 0 1rem 0 0;
    }

    .footer dl dt {
        font-size: 18px;
        margin-bottom: 1rem;
    }

    .footer dl dd {
        font-size: 14px;
    }

    .ewm img {
        max-height: 100px;
    }

    .product .productitem .productimg {
        height: 60vw;
    }

    .home-about .h-abouttext {
        width: 100% !important;
    }

    .news .newsitem {
        padding: 15px;
        margin-bottom: 20px;
    }

    .news .newsitem .newstitle h3 {
        font-size: 16px;
    }

    .news .newsitem .newsmore span {
        font-size: 12px;
    }

    .qyfccontent .qyfcitem .qyfcimg,
    .mdsmcontent .mdsmitem .mdsmimg,
    .yghdcontent .yghditem .yghdimg,
    .swhzcontent .swhzitem .swhzimg {
        height: 30vw;
    }

    .qyfccontent .newqyfcitem .qyfcimg {
        height: 50vw;
    }

    .newslist .newslisttext img {
        height: 50vw !important;
    }

    .m-case {
        display: block;
    }

    .m-case h1 {
        font-size: 35px;
    }

    .home-case {
        display: none;
    }

    .ewm p {
        font-size: 14px;
    }

    .home-product ul li {
        margin-bottom: 18px;
        width: 100%;
    }

    .home-product ul li .pic {
        height: 35vw;
    }
}

@media screen and (max-width: 556px) {
    .m-case h1 {
        font-size: 24px;
    }

    .home-slider .slidertext h1 {
        font-size: 28px;
        letter-spacing: 5px;
    }

    .home-slider .slidertext2 h1 {
        font-size: 26px;
        letter-spacing: 5px;
    }

    .home-slider .slidercount {
        bottom: 25%;
    }

    .home-slider .slidercount .year .year-item .year-itemnum h2 {
        font-size: 24px;
        padding-right: 5px;
    }

    .home-slider .slidercount .year .year-item .year-itemnum span {
        font-size: 16px;
    }

    .home-slider .slidercount .year .year-item p {
        font-size: 16px;
    }

    .home-about .h-abouttext h2 {
        font-size: 18px;
    }

    .home-about .h-abouttext .p p {
        font-size: 14px;
    }

    .home-about .h-abouttext .aboutbtn .more {
        justify-content: flex-end;
        margin-top: 0;
    }

    .home-about .h-abouttext .aboutbtn .more span img {
        display: none;
    }

    .home-about .h-abouttext .aboutbtn .more:hover::after {
        width: 0;
    }

    .home-about .aboutyearimg img {
        display: none;
    }

    .home-about h1 {
        font-size: 24px;
    }

    .home-product {
        padding: 2rem 0 2rem 0;
    }

    .home-product h1 {
        margin-bottom: 20px;
        font-size: 24px;
    }

    .home-product .h-productitem .h-productimg img {
        height: 110px;
    }

    .home-product .h-productitem .h-producttext .h-productnum {
        font-size: 2rem;
    }

    .home-product .h-productitem .h-producttext .h-producttxt {
        font-size: 14px;
    }

    .home-case .p_box .p_smallbox p {
        font-size: 16px;
    }

    .home-case .p_box .p_smallbox p:last-child {
        font-size: 14px;
    }

    .home-case .case .p_info .p_infobox {
        width: 100%;
    }

    .home-case .case .p_info .p_infobox h2 {
        font-size: 24px;
        margin-bottom: 2%;
    }

    .home-case .case .p_info .p_infobox p {
        font-size: 15px;
    }

    .home-news {
        margin: 2rem 0 2rem 0;
    }

    .home-news .news-title h2 {
        font-size: 24px;
    }

    .home-news .news-title .newsmore {
        justify-content: flex-end;
    }

    .home-news .news-title .newsmore span {
        font-size: 14px;
    }

    .home-news .news-title .newsmore:hover::after {
        width: 0;
    }

    .home-news .news-title .newsmore span img {
        display: none;
    }

    .home-news .news-top {
        margin-bottom: 20px;
    }

    .home-news .news-top .news-topleft {
        margin-bottom: 10px;
    }

    .home-news .news-top h2 {
        font-size: 16px;
        -webkit-line-clamp: 1;
        margin-bottom: 5px;
    }

    .home-news .news-top p {
        line-height: 1.5;
        -webkit-line-clamp: 2;
        font-size: 14px;
        margin-bottom: 5px;
    }

    .home-news .news-top h3 {
        margin-bottom: 5px;
        font-size: 18px;
    }

    .home-news .news-bottom {
        margin: 0;
    }

    .home-news .news-bottom .news-list {
        margin-bottom: 20px;
        padding: 0 0 5px 0;
        border-bottom: 1px dashed #ccc;
    }

    .home-news .news-bottom .news-list .news-time {
        display: none;
    }

    .home-news .news-bottom .news-list .news-time span {
        font-size: 42px;
    }

    .home-news .news-bottom .news-list .news-time p {
        font-size: 18px;
    }

    .home-news .news-bottom .news-list .news-content {
        padding-left: 0;
    }

    .home-news .news-bottom .news-list .news-content h3 {
        font-size: 16px;
    }

    .home-news .news-bottom .news-list .news-content p {
        font-size: 12px;
        line-height: 1.5;
    }

    .footer {
        padding: 2rem 0;
    }

    .footer .footflex {
        justify-content: center;
    }

    .footer .footnav {
        display: none;
    }

    .footer dl {
        padding: 0 1rem 0 0;
    }

    .footer dl dt {
        font-size: 18px;
        margin-bottom: 1rem;
    }

    .footer dl dd {
        font-size: 14px;
    }

    .ewm img {
        max-height: 100px;
    }

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        font-size: 14px;
    }

    .home-news .newsitem .newstext .newscontent {
        font-size: 12px;
        margin-bottom: 0;
    }

    .home-news .newsitem .newstext .newsdate {
        font-size: 12px;
    }

    .newslist .newslisttext img {
        height: 100% !important;
    }
}

@media screen and (max-width: 500px) {
    .product .productitem .producttitle {
        padding: 5px 8px;
    }

    .product .productitem .producttitle p {
        font-size: 14px;
    }

    .pagination a {
        font-size: 12px;
    }
}

@media screen and (max-width: 400px) {

    .qyfccontent .qyfcitem .qyfctext,
    .mdsmcontent .mdsmitem .mdsmtext,
    .yghdcontent .yghditem .yghdtext,
    .swhzcontent .swhzitem .swhztext {
        padding: 5px;
        font-size: 12px;
    }
}

@media screen and (max-width: 350px) {
    header .m-head .logo img {
        max-height: 40px;
    }
}