@media screen and (max-width: 767px) {
    /* 弹出导航 */
    .nav-page {
        display: block;
        position: fixed;
        z-index: 99999;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        width: 0;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        overflow: hidden;
        transition: all 0.2s linear;
    }

    .nav-phone {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 80vw;
        height: 100vh;
        background-color: rgba(255, 255, 255, 1);
        box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.5);
    }

    .nav-list {
        padding-top: 2rem;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .nav-list a {
        width: 80%;
        height: 1rem;
        line-height: 1rem;
        border-bottom: 1px solid #e1e1e1;
    }

    .nav-list-active {
        color: #b11d03;
        background-color: #f5f5f5;
        border-bottom: 1px solid #b11d03 !important;
    }

    .close-phone-nav {
        position: absolute;
        top: 0.31rem;
        left: 0.24rem;
        width: 0.68rem;
        height: 0.68rem;
        z-index: 999;
    }

    .close-phone-nav::before,
    .close-phone-nav::after {
        position: absolute;
        display: block;
        content: "";
        width: 0.68rem;
        height: 0.04rem;
        color: #fff;
        background-color: #999;
        transform-origin: center;
    }

    .close-phone-nav::before {
        top: 0.19rem;
    }

    .close-phone-nav::after {
        top: 0.45rem;
    }

    .close-phone-nav-active::before {
        top: 0.33rem;
        transform: rotate(135deg);
    }

    .close-phone-nav-active::after {
        top: 0.33rem;
        transform: rotate(-135deg);
    }

    /* phone内页头部 */
    .inside-roof {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 1.3rem;
        z-index: 9999;
        border-bottom: 1px solid #014526;
        background-color: rgba(255, 255, 255, 1);
    }

    .inside-roof-icon {
        position: absolute;
        top: 0.31rem;
        left: 0.24rem;
        width: 0.68rem;
        height: 0.68rem;
    }

    .inside-roof-icon::before,
    .inside-roof-icon::after {
        position: absolute;
        display: block;
        content: "";
        width: 0.68rem;
        height: 0.04rem;
        color: #fff;
        background-color: #999;
        transform-origin: center;
    }

    .inside-roof-icon::before {
        top: 0.19rem;
    }

    .inside-roof-icon::after {
        top: 0.45rem;
    }

    .inside-roof-icon-active::before {
        top: 0.33rem;
        transform: rotate(135deg);
    }

    .inside-roof-icon-active::after {
        top: 0.33rem;
        transform: rotate(-135deg);
    }

    .inside-roof-logo {
        position: absolute;
        height: 1rem;
        top: 50%;
        right: 0.24rem;
        transform: translateY(-50%);
    }

    .inside-roof-logo img {
        height: 100%;
    }

    .forPhone {
        height: 1.3rem;
    }
    .main_middle {
        width: 100%;
        margin: 0 auto;
    }
    /* 头部 */
    .header_wrapper {
        display: none;
    }
    /* banner */
    .swiper-pagination {
        bottom: 0.3rem !important;
    }
    .swiper-pagination .my-bullet {
        margin: 0 0.05rem;
        width: 0.5rem;
        height: 0.05rem;
    }

    /* banner_bottom */
    .banner_bottom {
        flex-direction: column;
        height: auto;
        line-height: 1.8em;
        margin-top: 0.3rem;
        margin-bottom: 1rem;
        padding: 0 0.24rem;
    }
    .ba_bo_left {
        padding-left: 0.3rem;
        font-size: 0.26rem;
    }
    .ba_bo_left::before {
        top: 0.3rem;
        width: 0.05rem;
        height: 0.3rem;
    }
    .ba_bo_left span {
        font-size: 0.3rem;
    }
    .ba_bo_right {
        height: 0.5rem;
        border-bottom: 1px solid #dfdfdf;
    }
    .ba_bo_right input {
        border: none;
        flex: 1;
        height: 0.46rem;
        background-color: #fff;
    }
    .ba_bo_right button {
        width: 0.46rem;
        height: 0.46rem;
        background-size: 80%;
    }

    /* tier_title */
    .tier_title {
        height: 1.8rem;
    }
    .tier_title h3 {
        width: 100%;
        font-size: 0.6rem;
        line-height: 0.6rem;
    }
    .tier_title h6 {
        width: 100%;
        top: 0.8rem;
        font-size: 0.3rem;
    }
    .tier_title img {
        width: calc(100vw - 0.48rem);
    }

    /* product_wrapper */
    .product_wrapper {
        margin-bottom: 1rem;
    }

    .index_pro_list {
        padding: 0 0.24rem;
        margin: 0.5rem 0;
    }
    .index_pro_list ul {
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .index_pro_list ul li {
        width: 49%;
        height: 0.8rem;
        font-size: 0.3rem;
        line-height: 0.8rem;
        margin: 0 0 0.24rem 0;
    }
    .index_pro_container {
        padding: 0 0.24rem;
    }
    .ipc_wrapper .ipc_item {
        float: none;
        width: 100%;
        height: calc((100vw - 0.48rem) * 0.7477);
        margin: 0 0 0.24rem 0;
    }
    .ipc_wrapper .ipc_item > a::before {
        width: 1rem;
        height: 1rem;
        margin-bottom: 0.2rem;
    }
    .ipc_wrapper .ipc_item > a span {
        font-size: 0.34rem;
    }

    /* advantage_wrapper */
    .advantage_wrapper {
        padding-bottom: 1rem;
    }
    .adv_title {
        height: 2.5rem;
        line-height: 2.5rem;
    }
    .adv_title h3 {
        margin-right: 0.1rem;
        font-size: 0.6rem;
    }
    .adv_title p {
        font-size: 0.6rem;
    }

    .adv_list ul {
        flex-wrap: wrap;
    }
    .adv_list ul li {
        flex-direction: column;
        width: 50%;
        height: calc(50vw * 0.6);
        border-bottom: 1px solid rgba(212, 213, 213, 0.55);
    }
    .adv_list ul li:nth-of-type(2n) {
        border-right: none;
    }
    .adv_list ul li i {
        display: block;
        margin-bottom: 0.1rem;
        width: 0.8rem;
        height: 0.8rem;
        border-radius: 50%;
        background-repeat: no-repeat;
        background-position: center;
        background-color: #bcbcbc;
        background-size: 80%;
    }
    .adv_list ul li p {
        font-size: 0.32rem;
    }

    .adv_container {
        width: 100%;
        height: calc(100vw * 1.2184);
    }
    .adv_item {
        display: none;
        height: calc(100vw * 1.2184);
    }
    .adv_item:first-of-type {
        display: block;
    }
    .adv_item .advi_img {
        float: none;
        width: 100%;
        height: calc(100vw * 0.6092);
    }
    .adv_item .advi_img img {
        width: 100%;
        height: 100%;
    }
    .adv_item .advi_info {
        float: none;
        width: 100%;
        height: calc(100vw * 0.6092);
        padding: 0.24rem 0.24rem 0 0.24rem;
        color: #fff;
        background-color: #2087c5;
    }
    .adv_item .advi_info h4 {
        margin-bottom: 0.2rem;
        font-size: 0.4rem;
    }
    .adv_item .advi_info .advi_p {
        font-size: 0.3rem;
        line-height: 1.8em;
        overflow: hidden;
        -webkit-line-clamp: 4;
        -webkit-box-orient: vertical;
        display: -webkit-box;
    }
    .adv_item .advi_info img {
        width: 40%;
    }

    /* four_molding_wrapper */
    .four_molding_wrapper {
        height: auto;
    }
    .molding_title {
        padding: 0.4rem 0;
    }
    .molding_title h3 {
        margin-bottom: 0.1rem;
        font-size: 0.6rem;
    }
    .molding_title img {
        width: calc(100vw - 0.48rem);
        margin-bottom: 0.1rem;
    }
    .molding_title h6 {
        font-size: 0.3rem;
    }

    .mold_wrapper {
        position: relative;
        width: 100%;
        height: calc(100vw * 0.5175 + 7rem);
    }
    .mold_list {
        width: 100%;
        height: 3.6rem;
        flex-direction: row;
        flex-wrap: wrap;
    }
    .mold_list_item {
        width: 50%;
        height: 1.8rem;
        border-right: 1px solid #87d2ff;
    }
    .mold_list_item:nth-of-type(2n) {
        border-right: none;
    }
    .mold_list_item:nth-of-type(3) {
        border-bottom: none;
    }
    .mold_list_item:last-of-type {
        border-bottom: none;
    }
    .mold_list_item .mli_main .mli_num {
        margin: 0 0.3rem;
        font-size: 0.7rem;
    }
    .mold_list_item .mli_main .mli_right p {
        font-size: 0.4rem;
    }
    .mold_list_item .mli_main .mli_right span {
        font-size: 0.26rem;
    }
    .mold_list .mold_on .mli_main {
        background-color: #f00;
    }
    .mold_list .mold_on .mold_img {
        display: none;
    }

    .four_main_wrapper {
        top: 3.6rem;
        width: 100%;
        height: calc(100vw * 0.5175);
    }
    .four_item {
        width: 100%;
        height: calc(100vw * 0.5175);
        overflow: visible;
    }
    .four_item .four_item_info {
        bottom: -1.5rem;
        height: 1.5rem;
        padding: 0.1rem 0.24rem;
    }
    .four_item .four_item_info .fii_txt {
        margin-top: 0;
        margin-right: 0.3rem;
        width: auto;
        flex: 1;
        font-size: 0.26rem;
        line-height: 0.44rem;
        overflow: hidden;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        display: -webkit-box;
    }
    .four_item .four_item_info .fii_more {
        align-self: center;
        width: 2rem;
        height: 0.8rem;
        border-radius: 0.4rem;
        font-size: 0.3rem;
        line-height: 0.8rem;
    }

    /* case_wrapper */
    .case_wrapper {
        margin-top: 1rem;
        margin-bottom: 1rem;
    }
    .case_container {
        padding: 0 0.24rem;
        flex-wrap: wrap;
        justify-content: space-between;
        margin-top: 0.5rem;
    }
    .case_container .case_item {
        width: 49%;
        height: calc(49vw * 0.5138);
        line-height: calc(49vw * 0.5138);
        margin-right: 0;
        margin-bottom: 0.24rem;
    }
    .case_container .case_item img {
        width: 95%;
    }

    /* five_page_wrapper */
    .five_page_wrapper {
        height: 100vh;
        flex-direction: column;
        margin-bottom: 1rem;
    }
    .five_item {
        width: 100%;
        height: 20%;
        transition: height 0.3s linear;
    }
    .five_item:hover {
        width: 100%;
        height: 40%;
    }
    .five_item:hover .sludge {
        height: 1.2rem;
    }
    .five_item .sludge span {
        left: 0.3rem;
        bottom: 0.7rem;
        font-size: 0.4rem;
    }
    .five_item:hover .sludge span {
        left: 0.5rem;
        font-size: 0.38rem;
        line-height: 1.2rem;
    }
    .five_item .sludge span::after {
        margin-top: 0.2rem;
        width: 0.4rem;
        height: 0.05rem;
    }
    .five_item .vertical_txt {
        top: 0.8rem;
        right: 0.8rem;
        padding-right: 0.2rem;
        font-size: 0.26rem;
    }

    /* about_wrapper */
    .about_wrapper {
        padding: 0 0.24rem;
        flex-direction: column;
        margin-bottom: 1rem;
    }

    .about_img {
        width: 100%;
        height: calc((100vw - 0.48rem) * 0.7665);
    }

    .about_right {
        width: 100%;
        padding: 0.24rem;
        height: auto;
        border: 0.1rem solid rgba(212, 213, 213, 0.35);
        border-left: 0.1rem solid rgba(212, 213, 213, 0.35);
    }
    .about_right .ab_title {
        margin-bottom: 0.1rem;
        height: auto;
        padding-bottom: 0.24rem;
    }
    .about_right .ab_title img {
        margin: 0.24rem 0;
    }
    .about_right .ab_title h2 {
        font-size: 0.5rem;
    }
    .about_right .ab_content {
        margin-bottom: 0.3rem;
        font-size: 0.26rem;
        line-height: 2em;
    }
    .about_right .ab_link {
        width: 60vw;
        height: 1rem;
        font-size: 0.3rem;
        line-height: 1rem;
    }
    .about_right .ab_link .ab_more {
        height: 1rem;
        border-top-left-radius: 0.5rem;
        border-bottom-left-radius: 0.5rem;
    }
    .about_right .ab_link .ab_lx {
        height: 1rem;
        border-top-right-radius: 0.5rem;
        border-bottom-right-radius: 0.5rem;
    }

    /* process */
    .process_wrapper {
        padding: 1rem 0;
        margin-bottom: 1rem;
    }

    .cess_container {
        margin-top: 0.5rem;
    }
    .cess_container::before {
        display: none;
    }
    .cess {
        flex-wrap: wrap;
    }
    .cess_item {
        width: 50%;
        padding: 0 0.24rem 0.24rem;
    }
    .cess_item img.ce_icon {
        height: 1rem;
        margin-bottom: 0.2rem;
    }
    .cess_item h6 {
        font-size: 0.34rem;
        line-height: 0.5rem;
    }
    .cess_item img.ce_point {
        height: 0.24rem;
        margin: 0.2rem 0;
    }
    .cess_item p {
        font-size: 0.26rem;
        line-height: 1.6em;
    }

    /* news_wrapper */
    .news_wrapper {
        margin-bottom: 1rem;
    }
    .news_flanks {
        flex-direction: column;
        margin-top: 0.5rem;
        padding: 0 0.24rem;
    }

    .news_left {
        width: 100%;
        margin-bottom: 0.4rem;
    }
    .nsl_topic {
        padding-bottom: 0.1rem;
    }
    .nsl_topic .nslt_img {
        width: 100%;
        height: calc((100vw - 0.48rem) * 0.546);
        margin-bottom: 0.2rem;
    }
    .nsl_topic .nslt_tit {
        height: 0.5rem;
        margin-bottom: 0.1rem;
    }
    .nsl_topic .nslt_tit span {
        width: 1rem;
        border-radius: 0.25rem;
        font-size: 0.26rem;
        line-height: 0.5rem;
    }
    .nsl_topic .nslt_tit a {
        font-size: 0.26rem;
        line-height: 0.5rem;
    }
    .nsl_topic .nslt_txt {
        font-size: 0.26rem;
        line-height: 1.8em;
    }
    .nsl_list ul li {
        height: 0.8rem;
        line-height: 0.8rem;
    }
    .nsl_list ul li a {
        font-size: 0.26rem;
    }
    .nsl_list ul li span {
        font-size: 0.26rem;
    }

    .news_right {
        width: 100%;
    }
    .nsr_top .nsrt_item {
        margin-bottom: 0.2rem;
    }
    .nsr_top .nsrt_item .nsrt_img {
        display: none;
    }
    .nsr_top .nsrt_item .nsrt_right {
        width: 100%;
    }
    .nsr_top .nsrt_item .nsrt_right .nsrt_t {
        font-size: 0.3rem;
        line-height: 1.2em;
    }
    .nsr_top .nsrt_item .nsrt_right .nsrt_time {
        font-size: 0.26rem;
        line-height: 1.8em;
    }
    .nsr_top .nsrt_item .nsrt_right .nsrt_info {
        font-size: 0.26rem;
        line-height: 1.8em;
    }
    .faq {
        width: 100%;
        height: auto;
        padding: 0.24rem;
    }
    .faq .faq_title {
        padding: 0 0 0.3rem 0;
        font-size: 0.42rem;
        line-height: 1.1em;
    }
    .faq .faq_list .faq_item {
        margin-bottom: 0.2rem;
    }
    .faq .faq_list .faq_item .faq_t {
        height: 0.5rem;
        line-height: 0.5rem;
    }
    .faq .faq_list .faq_item .faq_t span {
        margin-right: 0.15rem;
        width: 0.5rem;
        height: 0.5rem;
    }
    .faq .faq_list .faq_item .faq_t a {
        font-size: 0.3rem;
        line-height: 0.5rem;
    }
    .faq .faq_list .faq_item .faq_info {
        font-size: 0.26rem;
        line-height: 0.5rem;
    }
    .faq .faq_list .faq_on .faq_info {
        height: 1rem;
        margin-top: 0.1rem;
    }
    /* footer_wrapper */
    .foot_area {
        padding: 0.5rem 0;
        flex-direction: column;
    }
    .foot_link_area {
        margin-right: 0;
        margin-bottom: 0.3rem;
    }
    .foot_link_area .fla_item {
        width: 33%;
        height: auto;
        padding-left: 0.24rem;
    }
    .foot_link_area .fla_item dt {
        margin-bottom: 0.2rem;
        font-size: 0.3rem;
    }
    .foot_link_area .fla_item dd {
        font-size: 0.26rem;
    }
    .foot_contact_area {
        text-align: center;
        width: 100%;
        padding-left: 0;
        margin-bottom: 0.3rem;
    }
    .foot_contact_area .fca_title {
        margin-bottom: 0.2rem;
        font-size: 0.3rem;
    }
    .foot_contact_area .fca_info {
        font-size: 0.26rem;
    }
    .foot_code_area {
        margin-left: 0;
        text-align: center;
    }
    .footer_di {
        height: auto;
        padding: 0.24rem;
        font-size: 0.24rem;
        line-height: 1.8em;
    }
}