@media screen and (max-width:1230px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto {
        width: 960px;
    }
    .head .nav li {
        margin-left: 23px;
    }
    .nav_m .n_icon {
        display: block;
    }
    .head .nav_m {
        position: absolute;
        width: 100%;
    }
    .head .nav {
        width: 100%;
        position: absolute;
        background: #FFF;
        top: 70px;
        left: 0;
        z-index: 99;
        padding-right: 10px;
        display: none;
    }
    .english{
        font-size: 0.5rem;
    }
    .wrap_a .i_news {
        width: 350px;
    }
    .wrap_a .i_about {
        width: 590px;
    }
    .i_about dl dd {
        width: 415px;
    }
    .mainPhoto .go {
        left: 50px;
        width: 860px;
    }
    .mainPhoto .go li {
        margin-right: 15px;
        width: 203px;
    }
    .mainPhoto .go li img {
        width: 203px;
        height: 250px;
    }
    .f_nav .f_navl dt {
        width: 220px;
        height: 275px;
        margin-top: 40px;
    }
    .f_nav .tt {
        font-size: 15px;
    }
    .f_navl .f_name {
        font-size: 30px;
    }
    .f_navl dd p {
        font-size: 12px;
    }
    .f_nav .f_navl {
        width: 470px;
    }
    .f_nav .f_navl dd {
        width: 245px;
    }
    .f_nav .line {
        width: 5px;
    }
    .f_nav .f_navr {
        width: 460px;
    }
    .f_navr .f_name {
        font-size: 40px;
        padding-top: 10px;
    }
    .f_navr {
        background-size: 400px;
        height: 290px;
    }
    .scd .scd_l {
        width: 235px;
    }
    .scd .scd_r {
        width: 710px;
    }
    .scd .scd_r .con1_xun{
        height: 250px;
    }
    .news dl dd {
        width: 430px;
    }
    .contact .ct_m dl dt div {
        margin: 10px 20px 0;
    }
    .i_service li {
        width: 36%;
        margin-left: 84px;
    }
    .index_news .index_news_xun {
        width: 50%;
    }
    .i_power li{
        width: 31%;
        margin-left: 120px;
    }
    .i_power li a .tu .zimu{
        width: 21%;
        margin: 0 auto;
    }
}

@media screen and (max-width:990px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto {
        width: 740px;
    }
    .nav_m .n_icon {
        display: block;
    }
    .head .logo {
        width: 190px;
        overflow: hidden;
    }
    .head .logo a{
        font-size: 1.7rem;
    }
    .head .nav_m {
        position: absolute;
        width: 100%;
    }
    .english{
        font-size: 0.4rem;
    }
    .head .nav {
        width: 100%;
        position: absolute;
        background: #FFF;
        top: 70px;
        left: 0;
        z-index: 99;
        padding-right: 10px;
        display: none;
    }
    .head .nav li a {
        margin-top: 0;
        font-size: 16px;
    }
    .head .logo {
        width: 407px;
        padding-top: 3px;
    }
    .wrap_a .i_news {
        width: 300px;
    }
    .wrap_a .i_about {
        width: 425px;
    }
    .i_about dl dd {
        width: 350px;
    }
    .mainPhoto .go {
        width: 650px;
    }
    .f_nav .f_navl {
        width: 400px;
    }
    .f_nav .f_navr {
        width: 320px;
        background-size: 320px;
    }
    .f_navr .f_name {
        font-size: 32px;
    }
    .f_navr .f_search {
        width: 205px;
        top: 40px;
    }
    .f_nav .f_navl dt {
        width: 190px;
        padding-top: 38px;
    }
    .f_nav .f_navl dd {
        width: 205px;
    }
    .f_navr .f_search {
        width: 320px;
        top: 80px;
    }
    .scd .scd_r {
        width: 490px;
    }
    .scd .scd_r .con1_xun{
        height: 200px;
    }
    .scd_r .r_top span {
        font-size: 22px;
    }
    .scd_r .r_top {
        padding-left: 230px;
    }
    .scd .scd_l,
    .scd .scd_r {
        width: 100%;
    }
    .news dl dt,
    .news dl dt img {
        width: 100%;
        height: auto;
    }
    .news dl dd {
        width: 100%;
        margin-top: 15px;
    }
    .scd_r .r_top span em {
        font-size: 14px;
    }
    .contact .ct_m dl dt,
    .contact .ct_m dl dd {
        width: 100%;
        text-align: left;
    }
    .contact .ct_m dl dt div {
        margin-left: 0;
        margin-right: 40px;
    }
    .contact .ct_m ul li {
        width: 100%;
    }
    .i_service li {
        width: 45%;
        margin-left: 200px;
    }
    .index_news .index_news_xun {
        width: 49%;
    }
    .i_power li{
        width: 100%;
        margin-left: 10px;
    }
    .i_power li a .tu .zimu{
        width: 8%;
        margin: 0 auto;
    }
}

@media screen and (max-width:770px) {
    .h_top,

    .wrap,
    .mainPhoto,
    .wrap_a .i_news {
        width: 480px;
    }
    .head .logo {
        width: 190px;
        overflow: hidden;
    }
    .head .logo a{
        font-size: 1.7rem;
    }
    .head{
        width: 100%;
    }
    .english{
        font-size: 0.3rem;
    }
    .wrap_a .i_about,
    .f_nav .f_navl {
        width: 100%;
        margin-bottom: 20px;
    }
    .nav_m .n_icon {
        display: block;
    }
    .head .nav_m {
        position: absolute;
        width: 100%;
    }
    .head .nav {
        width: 100%;
        position: absolute;
        background: #FFF;
        top: 70px;
        left: 0;
        z-index: 99;
        padding-right: 10px;
        display: none;
    }
    .i_about dl dd {
        width: 305px;
    }
    .mainPhoto span.goleft,
    .mainPhoto span.goright {
        width: 18px;
    }
    .mainPhoto span.goleft img,
    .mainPhoto span.goright img {
        width: 100%;
    }
    .mainPhoto .go {
        left: 30px;
        width: 430px;
    }
    .f_nav .f_navr {
        width: 100%;
        background-size: 400px;
    }
    .f_nav .line {
        display: none;
    }
    .f_navr .f_search {
        top: 40px;
    }
    .f_nav .f_navl dt {
        width: 220px;
        padding-top: 0;
        margin-top: 20px;
    }
    .f_nav .f_navl dd {
        width: 245px;
    }
    .head .nav li {
        /*margin-left: 161px;*/
    }
    .head .logo .h_code img {
        width: 15px;
        height: 15px;
    }
    .scd .scd_l,
    .scd .scd_r {
        width: 100%;
    }
    .pro .pro_a {
        width: 100%;
        padding-left: 0;
        padding-top: 40px;
    }
    .pro .pro_a a {
        width: 120px;
        font-size: 13px;
    }
    .i_service li {
        width: 70%;
        margin-left: 80px;
    }
    .dibu{display: block;}
    .index_news .index_news_xun {
        width: 100%;
    }
    .i_power li a .tu .zimu{
        width: 13%;
        margin: 0 auto;
    }
}

@media screen and (max-width:510px) {
    .h_top,
    .head,
    .wrap,
    .mainPhoto,
    .wrap_a .i_news {
        width: 320px;
    }
    .head .logo img {
        width: 135px;
        height: auto;
    }
    .english{
        font-size: 0.1rem;
    }
    .head .logo {
        width: 190px;
        overflow: hidden;
    }
    .head .logo a{
        font-size: 1.7rem;
    }
    .head .logo .h_code {
        display: none;
    }
    .head .nav li {
        width: 100%;
        margin-left: 0;
        text-align: center;
    }
    .wrap_a .i_about h1 a {
        width: 20px;
        font-size: 0.9rem;
    }
    .i_about dl dt,
    .i_about dl dt img {
        display: none;
    }
    .i_about dl dd {
        width: 100%;
    }
    .mainPhoto .go li {
        width: 215px;
    }
    .mainPhoto .go li img {
        width: 215px;
        height: 250px;
    }
    .mainPhoto .go {
        width: 215px;
        left: 52px;
    }
    .f_nav .f_navl dt {
        display: none;
    }
    .f_nav .f_navl dd {
        width: 100%;
    }
    .f_navr .f_search {
        width: 180px;
    }
    .f_nav .f_navr {
        background-size: 320px;
        background-position: left 80px;
    }
    .foot a {
        padding: 0;
    }
    .scd_r .r_top {
        padding-left: 0;
        padding-top: 40px;
        text-align: left;
        height: 80px;
    }
    .scd_r .r_top .pst {
        text-align: left;
    }
    .contact .ct_m dl dt div {
        margin-right: 60px;
    }
    .contact .ct_m dl dt div:last-child {
        margin-right: 0;
    }
    .pro .pro_a a {
        width: 50%;
    }
    .pro .pro_b .pro_l li {
        width: 153px;
        margin-right: 14px;
    }
    .pro .pro_b .pro_l li img {
        width: 153px;
        height: 188px;
    }
    .i_service li {
        width: 110%;
        margin-left: -10px;
    }
    .i_power li a .tu .zimu{
        width: 21%;
        margin: 0 auto;
    }
    .index_news .index_news_xun .index_news_text .index_news_title {
        padding-right: 0;
    }
    .index_news .index_news_xun .index_news_text .index_news_small {
        padding-right: 0;
    }
    .index_news .index_news_xun .index_news_text .index_news_link {
        display: none;
    }
    .icon-home3, .icon-question, .icon-bubbles4, .icon-phone{ color: #fff; font-size: 14px;}
    .dibu div a span{ font-size: 14px;}
    .i-prow div{ width: 100%;}
    .xiangying{ width: 100%; margin-top: 0px; }
    .pro{ width: 100%;}
    .pro .pro_b table th{ padding: 0px;}
    .hwslider{ margin-left: 20px !important;}

}