@media screen and (max-width: 1920px) {}

@media screen and (max-width: 1830px) {}

@media (min-width: 1728px) and (min-height: 800px) {

    .m3_footer {
        margin-top: 10rem;
    }

    .m3_box {
        width: 90rem;
    }

    .m3_vid {
        height: 500px;
    }
}

@media screen and (max-width: 1660px) {}

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

@media screen and (max-width: 1360px) {}

@media screen and (max-width: 1200px) {
    .m8_mobile .swiper-slide img{
        width: 100% !important;
    } 
    .m3 {
        align-content: center;
        margin: 3.6rem auto 0px;
    }

    .m3_box {
        width: 96%;
    }

    .m3_box {
        top: 70px;
        transform: translate(-50%, 0px);
    }

    .m3_footer {
        display: none;
    }

    .m4 .logo,
    .m4 .time,
    .m4_1,
    .m4_2 {
        display: none;
    }

    .m4 .group {
        height: auto;
    }

    .m4 .group .item {
        width: 47%;
    }

    .m4 .group .item:nth-child(2n) {
        float: right;
    }

    .m4 .group {
        overflow-y: inherit;
    }

    .m4 {
        background: #fff;
        padding: 10px 0;
        padding-top: 50px;
    }

    .m5 {
        margin-top: 10px;
        width: 100%;
        overflow-x: hidden;
    }

    .m5 .item:nth-child(1) {
        margin: 0px;
    }

    .m5 .item .bbox {
        display: block;
        width: 100%;
    }

    .m5 .item .fun {
        width: 100%;
    }

    .m5 .item .fun .pic img {
        width: 100%;
    }

    .m5 .item {
        width: 100%;
    }

    .m5 .item .cont {
        padding: 10px 4%;
    }

    .m5 .item .cont .contact {
        height: auto;
    }

    .m6 {
        grid-template-columns: repeat(4, 1fr);
        padding-top: 10px;
        padding-bottom: 20px;
        gap: 2px;
        /* 添加更小的间距 */
    }

    .m7 {
        height: auto;
        overflow-y: hidden;
        padding: 0px;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        margin-top: 10px;
    }

    .m7 .item:hover img,
    .m7 .item img {
        border: 0px none;
        margin: 0px;
    }

    .m7_let {
        width: 100%;
    }

    .m7 .item {
        border: 1px solid rgb(224, 224, 224);
        margin-bottom: -4px;
        aspect-ratio: 1 / 1;
        display: flex;
        border-left: none;
        position: relative;
        align-items: center;
        /* 垂直居中 */
        justify-content: center;
        /* 水平居中 */
    }

    .m7 .item:nth-last-child(-n+2) {
        margin-bottom: 0;
    }

    .m7_3 {
        margin-top: 0px;
        padding: 0px;
    }

    .m8 .pic {
        width: 100%;
        margin: 0px auto;
        margin-bottom: 20px;
    }

    .m8_warp {
        width: 100%;
        margin-bottom: 20px;
    }

    .m8 {
        display: block;
    }

    .m8 .fun {
        padding: 0px;
    }

    .m8 .fun .grouos {
        display: none;
    }

    .m8_2 {
        margin-top: -30px;
        margin-bottom: 20px;
    }

    .m8_2 .let_logo {
        display: none;
    }

    .m8_2 .desc {
        padding-left: 4%;
        padding-right: 90px;
    }
    .m8_2 .desc b{
       font-weight: normal;
    }
    .m8_2 .desc p:nth-child(1) b{
        font-weight: bold;
    }
    .m8_2_1 .desc{
        padding-right: 0px;
    }
    .m8_2_1{
       align-items:normal;
    }
 
    .m8_2 .archive {
        display: none;
    }
    .m8_2{
        margin-bottom: 40px;
        margin-top: -15px;
    }
    .phone_m3_nav{
        padding: 12px 4%;
    }

    .m8 .fun .caozuo {
        position: relative;
        z-index: 100;
        padding-right: 4%;
        margin-top: 8px;
    }
.ph_footer .links{
    margin-top: 0px;
}
    .m8 {
        margin-top: 49px;
    }

    .m9 {
        margin-top: 10px;
        margin-bottom: 30px;
    }
    .m4_5 .group .item .ph .t1,
    .m4_5 .group .item .ph .t2 p{
        color: #333 !important;
    }

    .m4_5 .group .item {
        width: 100%;
        height: auto;
    }
    .m4_5 .group .item a{
        color: #333 !important;
    }

    .m4_5 .group .item .it_zz {
        display: none;
    }

    .m4_5 .group .item .tip {
        display: none;
    }

    .m8_2_1 .archive{
        display: block;
    }
    .m8_2_1 {
        margin-top: 10px;
    }

    .m8_2_1 .caozuo{
        margin-top: 5px;
        margin-right: 4%;
        width: 100px;
    }
    .caozuo .back{
        display: none;
    }
    .m11{
        margin-top: 80px;
        padding-bottom: 80px;
        margin-bottom: 20px;
    }
    .m12{
        margin: 100px 0;
    }
    .m1 .logo{
        margin-top: 40rem;
    }
    .m2{
        width: 50%;
        margin-top: 25rem;
    }
    .m1 .time{
        margin-top: 7.5rem;
    }
    .m2 li{
        margin-bottom: 3.5rem;
    }
    .m8_100{
        padding-top: 80px;
    }
    .m8_100 .img{
        margin: 0px auto;
            width: calc(100% - 20px);
    }
    .m8_2_1{
        margin-top: 25px;
    }
    .m8_0_new{
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
    }
}

@media screen and (max-width: 1040px) {}

@media screen and (max-width: 900px) {}

@media screen and (max-width: 800px) {}

@media screen and (max-width: 720px) {}

@media screen and (max-width: 620px) {}

@media screen and (max-width: 570px) {}

@media screen and (max-width: 500px) {}

@media screen and (max-width: 414px) {}

@media screen and (max-width: 370px) {}

@media screen and (max-width: 320px) {}