* {
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
}

html {
    font-size: 10px;
}

a {
    color: #232323;
}

i {
    font-style: normal;
}

.clearfloat:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}

header {
    width: 100%;
    margin: 0 auto;
    background-color: #cf3535;
    font-size: 0;
}

.menu {
    display: none;
}

.title {
    width: 1375px;
    height: 100px;
    margin: 0 auto;
    position: relative;
    transition: all 0.5s;
}

.title .logo {
    width: 190px;
    float: left;
    padding: 23px 0;
    margin-right: 70px;
}

.title .logo a {
    display: block;
}

.title li a {
    float: left;
    font-size: 20px;
    line-height: 100px;
    padding: 0 30px;
}

.title a {
    color: #fff;
}

.title li a:hover {
    background-color: #c5262a;
    /* background-image: linear-gradient(to top, #d33636, #c51e1e); */
    /* background-color: #c5262a; */
    color: #fff;
}

.title li a.current {
    background-image: linear-gradient(to top, #d33636, #c51e1e);
}

.title .title-phone {
    float: left;
    line-height: 20px;
    color: #fff;
    font-size: 20px;
    margin-left: 70px;
    padding-top: 30px;
}

.title .title-phone p:nth-child(1) {
    font-size: 16px;
    margin-bottom: 2px;
}

.title .title-phone p:nth-child(2) {
    font-size: 23px;
    color: #fff;
    padding-top: 5px;
    transform: scale(1, 1.1);
}

.title_web {
    display: none;
    width: 100%;
    height: 240px;
    background-color: rgba(207, 53, 53);
    position: absolute;
    top: 60px;
    right: 0;
    z-index: 999;
}

.title_web a:hover {
    background-color: #ac0a0a;
    z-index: 999;
}

.title_web li {
    text-align: center;
    font-size: 14px;
    z-index: 999;
}

.title_web li:nth-child(1) {
    margin-top: 10px;
    z-index: 999;
}

.title_web a {
    color: #fff;
    display: block;
    width: 100%;
    padding: 8px 0;
    box-sizing: border-box;
}

.title_web a:hover {
    color: #ffffff;
    cursor: pointer;
    background-color: #ac0a0a;
}

#banner img {
    width: 100%;
    background-size: cover;
}

.Related_sb {
    width: 1395px;
    height: 80px;
    margin: 0 auto;
}

.Related_sb h2 {
    line-height: 80px;
    font-size: 1.6rem;
    padding-left: 50px;
    position: relative;
}

.Related_sb h2::before {
    content: "";
    display: block;
    width: 25px;
    height: 25px;
    background-image: url(../img/product_icon.png);
    background-repeat: no-repeat;
    position: absolute;
    top: 25px;
    left: 10px;
}

.Related_cont {
    width: 100%;
    background-image: url(../img/foter_bc.jpg);
    background-repeat: no-repeat;
    border-top: 5px solid #c45352;
}

.Related_withe {
    width: 100%;
    background-color: #fff;
}

.Related_main {
    width: 1395px;
    margin: 0 auto;
    margin-bottom: 60px;
}

.product_banner .product_nav {
    margin: 0 auto;
}

.product_banner .product_nav li {
    float: left;
    font-size: 1.6rem;
    line-height: 50px;
    color: #fff;
}

.product_banner .product_nav p {
    float: left;
    color: #fff;
    font-size: 1.6rem;
    line-height: 75px;
    margin: 0 5px;
}

.product_banner .product_nav a {
    color: #fff;
}

.product_banner .product_nav a:hover {
    color: #cf3535;
}


/* 热销产品 */

.cp_rightbox {
    width: 380px;
    float: right;
    box-shadow: 0 0 10px #eeeeee;
    height: auto;
    padding-bottom: 30px;
}

.cp_rightbox h2 {
    line-height: 60px;
    text-align: center;
    font-size: 2rem;
}

.cp_rightbox a {
    display: block;
    width: 330px;
    transition: all 0.5s;
    padding: 5px;
    height: auto;
    margin: 0 auto;
    background-color: #eeeeee;
    margin-bottom: 15px;
}

.cpr_box {
    overflow: hidden;
}

.cpr_box img {
    transition: all 0.5s;
    width: 100%;
    height: auto;
}

.cp_rightbox a:hover {
    background-color: #cf3535;
    color: #fff;
    transition: all 0.5s;
}

.cp_rightbox a:hover img {
    transform: scale(1.1);
}

.cp_rightbox p {
    text-align: center;
    padding-top: 20;
    font-size: 1.6rem;
    line-height: 35px;
}

.Related_withe {
    width: 100%;
    height: auto;
}

.coalcase {
    width: 100%;
    padding-bottom: 60px;
    position: relative;
    background-image: url(../img/hemei_setting.png);
}

.coaltitle img {
    background-size: cover;
    overflow: hidden;
}

.coalcont {
    width: 1395px;
    height: 80px;
    margin: 0 auto;
    color: #fff;
}

.coaltitle {
    padding-left: 20px;
}

.coalcont a {
 
    line-height: 80px;
}

.coalcont a {

    font-size: 1.6rem;
    line-height: 80px;
}

.coalcont p {
    float: left;
    color: #fff;
    font-size: 1.6rem;
    line-height: 80px;
    margin: 0 5px;
}

.coalcont a {
    color: #fff;
}

.coalcont a:hover {
    color: #cf3535;
}

.coalcont a:hover {
    color: #cf3535;
}


/* 底部 */

.footer {
    transition: none;
    width: 100%;
    height: 225px;
    background-color: #812727;
    position: relative;
}

.footer .footer_content {
    width: 1400px;
    margin: 0 auto;
}

.footer .fo_left {
    width: 860px;
    height: 225px;
    float: left;
}

.footer .fo_left dl {
    float: left;
    margin-right: 5%;
}

.footer .fo_left dl dt {
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 10px;
    color: #fff;
}

.footer .fo_left dl dd {
    font-size: 1.4rem;
    line-height: 30px;
    color: #f3e9ea;
}

  
.footer .fo_left dl dd a {
  width:98px;
    color: #f3e9ea;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.footer .fo_left dl dd a:hover {
    color: #d53f3f;
}

.footer .fo_right {
    width: 540px;
    height: 225px;
    float: left;
}

.footer .fo_right .weixin_logo {
    width: 255px;
    float: left;
}

.footer .fo_right .weixin_logo dl {
    margin-top: 40px;
    float: left;
}

.footer .fo_right .weixin_logo dl dd {
    text-align: center;
    line-height: 30px;
    color: #f3e9ea;
}

.footer .fo_right .weixin_logo dl:nth-child(1) {
    margin-right: 36px;
}

.footer .fo_right .footer_phone {
    width: 285px;
    height: 225px;
    float: left;
    padding-left: 58px;
    box-sizing: border-box;
    color: #f3e9ea;
}

.footer .fo_right .footer_phone p {
    line-height: 30px;
}

.footer .fo_right .footer_phone p:nth-child(1) {
    margin-top: 40px;
    font-size: 1.6rem;
}

.footer .fo_right .footer_phone p:nth-child(2) {
    font-size: 3rem;
    font-stretch: condensed;
    color: #fff;
    transform: scale(1, 1.1);
}

.footer .fo_right .footer_phone a {
    display: block;
    width: 120px;
    height: 40px;
    border: 1px solid #ba0001;
    line-height: 40px;
    text-align: center;
    color: #ba0001;
    font-size: 1.6rem;
    margin-top: 18px;
    border-radius: 5px;
}

.footer .fo_right .footer_phone a:hover {
    color: #f3e9ea;
    background-color: #ba0001;
}

.footer_btm {
    width: 100%;
    height: auto;
    background-color: #6e2020;
}

.footer_btm .footer_btm_ctn {
    width: 1400px;
    height: auto;
    margin: 0 auto;
}

.footer_btm .footer_btm_ctn p {
    line-height: 42px;
    color: #fff;
    text-align: center;
    font-size: 1.4rem;
    text-align: center;
    position: relative;
    background: url(../img/footer_logo.png) no-repeat;
    background-position: center;
    background-position: 335px;

}
.footer_btm .footer_btm_ctn p span {
    font-size: 1.4rem;
}
.footer_btm .footer_btm_ctn p a {
    color: #fff;
}
.equipment_link {
    transition: all 0.5s;
    margin-top: 140px;
    display: block;
    float: left;
    width: 325px;
    height: 216px;
    margin-left: 23px;
    background-color: #f5f5f5;
    position: relative;
    border-radius: 5px;
    box-shadow: 0 5px 8px #d6d6d6;
}

.equipment_link img {
    width: 100%;
    height: 216px;
    position: absolute;
    top: -55px;
    left: -15px;
}

.equipment_link h3 {
    font-size: 1.6rem;
    margin-top: 165px;
    padding-left: 10px;
    line-height: 28px;
    color: #d24a4a;
    padding-right: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.equipment_link p {
    padding-left: 10px;
    font-size: 1.4rem;
    color: #7b7b7b;
    position: relative;
}

.equipment_link p::before {
    content: "";
    display: block;
    width: 17px;
    height: 18px;
    background-image: url(../img/jiantou.jpg);
    background-repeat: no-repeat;
    position: absolute;
    top: -5px;
    right: 23px;
    z-index: 999;
}

.Related_withe {
    width: 100%;
    background-color: #fff;
}

.white_title dl:nth-child(n + 2) {
    padding-top: 30px;
}

.white_title h2 {
    font-size: 2rem;
    overflow: hidden;
    line-height: 35px;
    padding-right: 125px;
    overflow: hidden;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 1;
}

.white_title h2:hover {
    color: #cf3535;
}

.white_title dt {
    width: 80%;
    float: left;
    overflow: hidden;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    font-size: 1.6rem;
    color: #5e5e5e;
    line-height: 30px;
}

.white_title dt:hover {
    color: #000;
}

.white_title dd {
    float: right;
    color: #5e5e5e;
    font-size: 1.6rem;
    line-height: 30px;
}

.white_title {
    width: 1395px;
    margin: 0 auto;
}

.white_titlelin a {
    line-height: 80px;
    color: #232323;
    font-size: 2.2rem;
}

.white_titlelin a:nth-child(1) {
    float: left;
    padding-left: 60px;
    position: relative;
}

.white_titlelin a:nth-child(2) {
    float: right;
    padding-right: 30px;
}

.white_titlelin a:hover {
    color: #cf3535;
}

.white_titlelin a:nth-child(1)::after {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    background-image: url(../img/product_icon.jpg);
    background-size: cover;
    position: absolute;
    top: 30px;
    left: 30px;
    background-repeat: no-repeat;
}

.list_whnews {
    float: left;
    padding-bottom: 60px;
}

.white_title dl {
    width: 585px;
    padding: 0px;
    padding-left: 60px;
}

.white_title dl:nth-child(n + 2) {
    padding-top: 30px;
}

.white_title dt {
    width: 80%;
    float: left;
    overflow: hidden;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    font-size: 1.6rem;
    color: #5e5e5e;
    line-height: 30px;
}

.white_title dt:hover {
    color: #000;
}

.white_title h2 {
    font-size: 2rem;
    overflow: hidden;
    line-height: 35px;
    padding-right: 125px;
    overflow: hidden;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    font-weight: normal;
}

.white_title h2:hover {
    color: #cf3535;
}

.Related_black_right {
    float: right;
    width: 540px;
}

.Related_black_cont {
    width: 1100px;
}

.Related_black_left {
    width: 715px;
}

.Related_black_left img {
    width: 715px;
}

.Related_black_right {
    width: 300px;
}

.Related_black {
    width: 100%;
    height: 680px;
    background-color: #252525;
}

.Related_black_cont {
    width: 1395px;
    height: 680px;
    margin: 0 auto;
}

.Related_black_left {
    width: 850px;
    height: 680px;
    position: relative;
    float: left;
}

.liuyan_cont p {
    float: left;
    line-height: 36px;
    padding-right: 15px;
    font-size: 1.4rem;
}

.liuyan_box {
    width: 100%;
    margin: 0 auto;
    margin-top: 70px;
}

.liuyan_cont dt {
    float: left;
    position: relative;
}

.liuyan_cont dd {
    float: left;
    position: relative;
}

.liuyan_cont textarea {
    font-family: "微软雅黑";
    box-sizing: border-box;
    width: 625px;
    height: 90px;
    padding: 10px;
    border: none;
    outline: none;
    font-size: 1.6rem;
    box-shadow: 0 2px 5px #e1e1e1;
    border-radius: 5px;
    resize: none;
}

.yqlink {
    width: 100%;
    font-size: 1.4rem;
}
.yqlink li {
    float: left;
    line-height: 42px;
    margin: 0 10px;
    color: #fff;
}

.yqlink a {
    color: #fff;
}
.yqlink a：hover{
    text-decoration: underline !important;
}

.liuyan_cont dt::before,
.liuyan_cont dd::before {
    content: " ★";
    font-size: 1rem;
    color: #c32424;
    position: absolute;
    top: 6px;
}

.liuyan_cont dt::before {
    left: 28px;
}

.liuyan_cont dd::before {
    top: 7px;
    left: 28px;
}

.liuyan_cont {
    width: 799px;
    height: 422px;
    background-image: url(../img/blaick_rxcp.jpg);
    border-bottom-right-radius: 50px;
    position: absolute;
    top: 220px;
    left: 0;
}

.liuyan_cont::before {
    content: "";
    display: block;
    width: 153px;
    height: 154px;
    background-image: url(../img/kf_black.png);
    position: absolute;
    top: -50px;
    right: -20px;
}

.liuyan_cont h2 {
    line-height: 143px;
    margin-left: 45px;
    font-size: 2.4rem;
    font-weight: normal;
}

.liuyan_cont h2 span {
    font-size: 2rem;
}

.liuyan_cont form {
    margin-left: 45px;
    font-size: 1.6rem;
}

.liuyan_cont input {
    width: 275px;
    height: 45px;
    border: none;
    outline: #e3e3e3;
    box-shadow: 0 2px 5px #e1e1e1;
    margin-right: 10px;
    padding-left: 10px;
    font-size: 1.6rem;
    float: left;
    border-radius: 5px;
}

.liuyan_cont .tijiao {
    width: 240px;
    height: 45px;
    background-color: #c32b2b;
    box-shadow: none;
    color: #fff;
    float: right;
    margin-right: 87px;
    margin-top: 10px;
}

.liuyan_cont .tijiao:hover {
    background-color: #a81f1f;
    cursor: pointer;
}

.liuyan_cont form>span {
    float: left;
    line-height: 40px;
    color: #434343;
    position: relative;
    padding-right: 10px;
}

.liuyan_cont label span {
    margin-top: 40px;
}

.liuyan_cont label p {
    float: left;
    margin-top: 45px;
}

.Related_rcont {
    width: 320px;
    height: 465px;
    margin: 0 auto;
    margin-top: 87px;
}

.Related_rcont img {
    margin-right: 44px;
    float: left;
}

.Related_rcont p,
.Related_rcont h2 {
    font-size: 2rem;
    color: #fff;
    line-height: 30px;
}

.Related_rcont h2 {
    font-weight: normal;
    padding-top: 68px;
}

.Related_rcont p:nth-child(1) {
    margin-top: 70px;
}

.Related_rcont p:nth-child(3) {
    margin-top: 31px;
    font-size: 2.8rem;
    color: #d24a4a;
    margin-bottom: 85px;
}

.Related_rcont p:nth-child(3)>span {
    color: #fff;
    font-size: 2rem;
    float: left;
}

.Related_rcont p:nth-child(4) {
    margin-bottom: 30px;
}

.Related_rcont p:nth-child(5) {
    margin-bottom: 30px;
}

.hemeititle {
    padding-left: 20px;
}

.hemeititle li {
    float: left;
    line-height: 80px;
}

.hemeititle a {
    color: #fff;
    font-size: 1.6rem;
    position: relative;
}

.hemeititle li {
    float: left;
    font-size: 1.6rem;
    line-height: 9rem;
}

.hemeititle p {
    float: left;
    color: #fff;
    font-size: 1.6rem;
    line-height: 9rem;
    margin: 0 5px;
}

.hemeititle a:hover {
    color: #cf3535;
}

.condede {
    width: 90% !important;
    height: auto !important;
}

.product_nav {
    width: 1375px;
    height: 80px;
    color: #fff;
    margin: 0 auto;
    font-size: 1.6rem;
}

.product_nav a {
    color: #fff;
    line-height: 80px;
}

.footer #toup {
    z-index: 999;
    display: none;
    width: 97px;
    height: 45px;
    color: #fff;
    line-height: 45px;
    text-align: center;
    background-color: #ba0001;
    position: fixed;
    right: 0;
    bottom: 400px;
    box-sizing: border-box;
}

.footer #toup:hover {
    cursor: pointer;
    background-color: #9e0e16;
}


/* 头部媒体查询 */

@media screen and (max-width: 1450px) {

    /* 底部 */
    .footer_content {
        width: 1200px;
    }

    .footer_content .fo_left {
        width: 700px;
    }

    .footer .fo_left dl {
        margin-right: 25px;
    }

    .footer .fo_right {
        width: 500px;
    }

    .footer .fo_right .weixin_logo {
        width: 225px;
    }

    .weixin_logo img {
        width: 90px;
    }

    .footer_btm .footer_btm_ctn {
        width: 1200px;

        
    }

    .footer_btm .footer_btm_ctn p::after {
        left: 21.5%;
    }

    .footer .fo_right .footer_phone {
        width: 260px;
        padding-left: 20px;
    }

    .footer .footer_content {
        width: 1200px;
    }

    .product_nav li {
        font-size: 1.4rem;
    }

    .Related_black_cont {
        width: 1350px;
    }

    .Related_rcont {
        width: 310px;
    }
    .footer_btm .footer_btm_ctn p{background-position: 90px;}
}

@media screen and (max-width: 1400px) {

    /* 头部 */
    .title {
        width: 1100px;
    }

    .title li a {
        padding: 0 10px;
    }

    .Related_sb {
        width: 1100px;
    }

    .Related_main {
        width: 1100px;
    }

    .equipment_link {
        width: 255px;
        margin-left: 20px;
    }

    .equipment_link img {
        width: 100%;
        height: auto;
        top: -34px;
        left: 0;
    }

    .cp_rightbox {
        width: 35%;
    }

    .liuyan_cont {
        width: 700px;
    }

    .liuyan_cont h2 {
        margin-top: 30px;
        line-height: 40px;
        margin-left: 45px;
        font-size: 2.4rem;
    }

    .liuyan_cont h2 span {
        display: block;
        margin-bottom: 30px;
    }

    .liuyan_cont::before {
        width: 153px;
        height: 153px;
        top: -47px;
        right: -10px;
    }

    .liuyan_cont input {
        width: 220px;
        height: 45px;
    }

    .Related_black_right {
        width: 300px;
    }

    .liuyan_cont .tijiao {
        margin-right: 48px;
    }

    .white_title {
        width: 1100px;
    }

    .white_titlelin {
        width: 1100px;
        margin: 0 auto;
        padding: 0;
    }

    .white_title dl {
        padding: 0 20px;
        width: 510px;
    }

    .white_title {
        width: 1100px;
    }

    .white_titlelin {
        width: 1100px;
        margin: 0 auto;
        padding: 0;
    }

    .white_title dl {
        padding: 0 20px;
        width: 510px;
    }

    .Related_black_cont {
        width: 1100px;
    }

    .Related_black_left {
        width: 715px;
    }

    .Related_black_left img {
        width: 715px;
    }

    .product_nav {
        width: 1100px;
    }

    .coalcont {
        width: 1110px;
    }
}


/* 底部 */

@media screen and (max-width: 1250px) {
    .footer {
        height: 255px;
    }

    .footer .footer_content {
        width: 900px;
    }

    .footer_content .fo_left {
        width: 600px;
    }

    .footer .fo_left dl dt {
        font-size: 1.4rem;
    }

    .footer .fo_left dl dd {
        font-size: 1.2rem;
    }

    .footer .fo_left dl {
        margin-right: 0px;
    }

.footer .fo_left dl:first-of-type{
  margin-right:23px;
  }
    .footer_btm .footer_btm_ctn {
        width: 900px;
    }

    .footer .fo_right {
        width: 300px;
    }

    .footer .fo_right .weixin_logo {
        width: 70px;
    }

    .weixin_logo img {
        width: 70px;
    }

    .footer .fo_right .weixin_logo dl {
        margin-top: 10px;
    }

    .footer .fo_right .weixin_logo dl:nth-child(1) {
        margin-right: 0px;
        margin-top: 30px;
    }

    .footer .fo_right .footer_phone {
        width: 200px;
    }

    .footer .fo_right .footer_phone p:nth-child(2) {
        font-size: 2.5rem;
    }

    .footer .fo_right .footer_phone {
        padding-left: 31px;
    }

    .footer_btm .footer_btm_ctn p::after {
        left: 12.5%;
    }

    .equipment_link img {
        width: 100%;
        position: absolute;
        top: -52px;
        left: 0;
        height: auto;
    }

    .equipment_link {
        width: 230px;
        margin-left: 20px;
        height: 190px;
    }

    .equipment_link h3 {
        margin-top: 125px;
    }

    .equipment_link:last-of-type {
        display: none;
    }

    .equipment_link p::before {
        top: 0;
    }

    .hemeititle li,
    .hemeititle p {
        line-height: 70px;
    }

    .Related_main {
        padding-bottom: 50px;
    }

    .white_titlelin {
        width: 900px;
    }

    .Related_black_cont {
        width: 900px;
    }

    .Related_black_left img {
        width: 500px;
    }

    .Related_black_left {
        width: 500px;
    }

    .Related_black_cont,
    .Related_black_left,
    .Related_rcont {
        height: auto;
        padding-bottom: 60px;
    }

    .liuyan_cont {
        top: 145px;
    }

    /* .Related_black_left { width: 500px; } */
    .liuyan_cont::before {
        background-size: contain;
        width: 100px;
        height: 100px;
    }

    .liuyan_cont {
        width: 460px;
    }

    .liuyan_cont h2 {
        font-size: 1.6rem;
        margin-left: 20px;
        margin-top: 10px;
    }

    .liuyan_cont h2 span {
        display: block;
        font-size: 1.6rem;
    }

    .liuyan_cont h2 {
        line-height: 35px;
        margin-bottom: 30px;
    }

    .liuyan_cont form {
        margin-left: 20px;
    }

    .liuyan_cont form>span {
        font-size: 1.4rem;
    }

    .liuyan_cont input {
        width: 138px;
        height: 36px;
        margin-right: 10px;
        padding-left: 10px;
        font-size: 1.4rem;
    }

    .liuyan_cont label {
        width: 500px;
        height: 120px;
        float: left;
    }

    .liuyan_cont textarea {
        width: 343px;
        height: 65px;
        font-size: 1.4rem;
    }

    .liuyan_cont label p {
        margin-top: 20px;
        font-size: 1.4rem;
        margin-left: 0;
    }

    .liuyan_cont .tijiao {
        width: 343px;
        margin-right: 47px;
    }

    .liuyan_cont {
        height: 365px;
    }

    .Related_rcont {
        padding-left: 0;
    }

    .coalcont {
        width: 900px;
    }
}

@media screen and (max-width: 1250px) {

    /* 头部 */
    .title {
        width: 900px;
    }

    .logo img {
        width: 160px;
        padding-top: 0px;
    }

    .title .logo {
        margin-right: 26px;
    }

    .title li a {
        font-size: 16px;
    }

    .title .title-phone {
        font-size: 16px;
        margin-left: 30px;
    }

    .title li a {
        padding: 0 9px;
    }

    /* 相关设备 */
    .Related_main {
        width: 750px;
        margin-bottom: 20px;
    }

    .cp_rightbox {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
    }
    .cp_rightbox h2{width: 100%;}
    .cp_rightbox a {
        width: 30%;
    }

    .white_titlelin {
        width: 900px;
    }

    .white_title {
        width: 900px;
    }

    .white_title h2 {
        font-size: 1.8rem;
    }

    .white_title dl {
        padding: 0 20px;
        width: 410px;
    }

    .white_title dt {
        font-size: 1.4rem;
    }

    .white_title dd {
        font-size: 1.4rem;
    }

    .Related_black_right {
        width: 250px;
    }

    .product_nav {
        width: 900px;
    }
}

@media screen and (max-width: 950px) {

    /* 底部 */
    .footer .footer_content {
        width: 750px;
    }

    .footer_content .fo_left {
        width: 455px;
    }

    .footer .fo_left dl dt {
        font-size: 1.4rem;
    }

    .footer .fo_left dl dd {
        font-size: 1.2rem;
    }
  .footer .fo_left dl dd a{width:93px;}
    .footer .fo_left dl {
        margin-right: 0px;
    }

    .footer_btm .footer_btm_ctn {
        width: 750px;
    }

    .Related_sb {
        width: 85%;
    }

    .weixin_logo img {
        width: 65px;
    }

    .footer .fo_right {
        width: 295px;
    }

    .footer .fo_right .footer_phone {
        width: 225px;
    }

    .footer .fo_left dl:nth-child(4) {
        display: none;
    }

    .footer .fo_right .footer_phone {
        padding-left: 30px;
    }

    .footer_btm .footer_btm_ctn p::after {
        left: 4.5%;
    }

    .title {
        width: 740px;
    }

    .title_web {
        display: none;
    }

    .title .logo {
        width: 120px;
        margin: 5px 20px 0 0px;
    }

    .logo img {
        width: 120px;
    }

    .title li a {
        font-size: 14px;
    }

    .title .title-phone {
        font-size: 14px;
        margin-left: 15px;
    }

    .title .title-phone p:nth-child(2) {
        font-size: 20px;
    }

    .title .title-phone p:nth-child(1) {
        font-size: 14px;
        margin-bottom: 2px;
    }
    .cp_rightbox a {
        height: auto;
        padding-bottom: 10px;
    }

    .hemeititle li,
    .hemeititle p {
        line-height: 70px;
    }

    .white_title {
        width: 750px;
    }

    .white_titlelin {
        width: 750px;
    }
    .white_title h2 {
        font-size: 1.8rem;
    }
    .white_title dl {
        padding-left: 30px;
        width: 680px;
    }
    .white_title dt {
        float: none;
    }
    .white_title dd {
        font-size: 1.4rem;
        float: noen;
    }
    .Related_black_cont {
        width: 90%;
    }
    .title_web {
        display: none;
    }
    .coalcont {
        width: 740px;
    }
    .product_nav {
        width: 750px;
        font-size: 1.4rem;
    }
    .footer_btm .footer_btm_ctn p{background-position: 18px;}

    /* 尾部 */
}

@media screen and (max-width: 780px) {

    /* 头部 */
    .title li a,
    .title .title-phone {
        display: none;
    }
    #banner {
        margin-top: 50px;
    }
    .title {
        width: 96%;
        height: 60px;
    }

    .menu {
        margin-top: 15px;
        display: block;
        float: right;
    }

    .menu:hover {
        cursor: pointer;
    }

    .title .logo {
        margin: 0;
        padding: 10px 0 0 0;
    }

    /* 尾部 */
    .footer .footer_content {
        width: 500px;
    }

    .footer .fo_left dl:not(:nth-child(1)) {
        display: none;
    }

    .footer_content .fo_left {
        width: 265px;
        margin-left: 20px;
    }

    .footer .fo_right {
        width: 215px;
    }

    .footer .fo_right .weixin_logo {
        width: 215px;
        margin-top: 20px;
    }

    .footer .fo_right .weixin_logo dl {
        float: left;
    }

    .footer .fo_right .weixin_logo dl:nth-child(1) {
        margin: 10px 20px 0 30px;
    }

    .footer .fo_right .footer_phone {
        width: 225px;
    }

    .footer .fo_right .footer_phone p:nth-child(1) {
        margin-top: 0px;
    }

    .footer .fo_right .footer_phone a {
        width: 100px;
        margin-top: 5px;
        height: 35px;
        line-height: 35px;
    }

    .footer .fo_right .footer_phone {
        height: auto;
    }
    .footer_btm {
        height: auto;
    }

    .footer_btm .footer_btm_ctn {
        width: 500px;
        height: 84px;
    }

    .footer_btm .footer_btm_ctn p {
        font-size: 12px;
    }

    .footer_btm .footer_btm_ctn p span {
        display: flex;
        justify-content: center;
        line-height: 25px;
        font-size: 12px;
    }

    .footer_btm .footer_btm_ctn p {
        line-height: 20px;
        padding-top: 20px;
    }

    .footer_btm .footer_btm_ctn p::after {
        display: none;
    }

    .equipment_link {
        width: 46%;
        height: auto;
        padding-bottom: 30px;
        margin-left: 3%;
    }

    .equipment_link:nth-of-type(3) {
        display: none;
    }

    .equipment_link h3 {
        padding-top: 20px;
        margin-top: 52%;
    }

    .Related_main {
        width: 100%;
    }

    .Related_main {
        height: auto;
        padding-bottom: 10%;
        margin-bottom: 0;
        display: flex;
        flex-wrap: wrap;
    }
    .footer_btm .footer_btm_ctn p{background: none;}
    .product_nav {
        width: 85%;
    }

    .equipment_link img {
        height: 180px;
    }

    .equipment_link {
        width: 45%;
        margin-top: 5%;
        padding-bottom: 2%;
    }

    .equipment_link img {
        width: 100%;
        height: auto;
        position: static;
    }

    .equipment_link h3 {
        position: static;
        margin: 0;
        padding-top: 0;
        font-size: 1.6rem;
    }

    .equipment_link p {
        overflow: hidden;
    }

    .equipment_link p::before {
        display: none;
    }

    .equipment_link:last-of-type {
        display: block;
    }

    .cp_rightbox {
        width: 100%;
        display: flex;
        flex-wrap: wrap
    }

    .cp_rightbox a {
      width: 45%;
        height: auto;
        padding-bottom: 10px;
        margin-left: 0;
    }

    .cp_rightbox p {
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        font-size: 1.6rem;
    }

    .cp_rightbox h2 {
        font-size: 1.6rem;
        width: 100%;
    }

    .coalcont a,
    .coalcont p {
        line-height: 50px;
        font-size: 1.4rem;
    }

    .coalcont {
        width: 90%;
        height: 50px;
    }

    .list_whnews {
        width: 100%;
        margin: 0 auto;
    }
  .coaltitle{padding-left:0px}

    .hemeititle {
        padding: 0;
    }

    .hemeititle a {
        width: 100%;
        font-size: 1.4rem;
        line-height: 50px;
        margin: 0;
    }

    .white_titlelin {
        width: 96%;
    }

    .white_titlelin a {
        font-size: 1.6rem;
    }

    .white_title dt {
        width: 100%;
    }

    .white_title {
        width: 96%;
    }

    .white_title dl:nth-child(n + 2) {
        padding-top: 10px;
    }

    .white_title dl {
        margin-left: 0;
    }

    .white_title dl {
        width: 100%;
        padding-right: 0;
    }

    .white_title dd {
        width: 100%;
        overflow: hidden;
        font-size: 1.4rem;
        color: #cf3535;
    }

    .white_titlelin a:nth-child(1)::after {
        left: 0;
    }

    .white_titlelin a:nth-child(1) {
        padding-left: 30px;
    }

    .liuyan_cont p {
        float: none;
    }

    .liuyan_cont textarea {
        float: none;
        width: 85%;
    }

    .liuyan_cont .tijiao {
        width: 77%;
        margin-right: 18%;
    }

    .liuyan_cont {
        height: auto;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .Related_black_right {
        display: none;
    }

    .Related_black {
        height: 570px;
    }

    header {
        z-index: 999;
        position: fixed;
        top: 0px;
    }

    .title_web {
        position: fixed;
        top: 50px;
        z-index: 9999;
    }

    .title_web1 {
        width: 100%;
        height: 60px;
    }

    .product_nav {
        height: 60px;
        color: #fff;
        font-size: 1.4rem;
    }

    .product_nav a {
        color: #fff;
        line-height: 60px;
    }

    .coaltitle {
        margin-top: 60px;
    }

    .product_nav a:hover {
        color: #cf3535;
    }

    .febye {
        width: 100%;
        box-sizing: border-box;
    }

    .febye a {
        display: inline-block;
        border: none;
    }

    .febye p {
        border-bottom: 2px dashed #e3e3e3;
        line-height: 60px;
        padding-left: 10px;
        font-size: 1.4rem;
    }

    .febye p:last-of-type {
        border: none;
    }

    .febye a:hover {
        color: #cf3535;
    }
    .cp_rightbox p{
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 530px) {
    .footer {
        display: none;
    }
    .white_titlelin a:nth-child(2){font-size: 1.4rem;}
    .footer_btm {
        display: none;
    }

    .equipment_link h3 {
        font-size: 1.4rem;
    }

    .white_titlelin a:nth-child(1) {
        padding-left: 26px;
    }

    .white_titlelin a:nth-child(2) {
        padding-right: 0;
    }

    .white_titlelin a:nth-child(1)::after {
        left: 0;
    }

    .white_title dl {
        padding-left: 0;
    }

    .equipment_link p {
        font-size: 1.2rem;
    }

    .Related_black_cont {
        width: 90%;
    }

    .Related_black_right {
        display: none;
    }

    .Related_black_cont {
        width: 90%;
    }

    .Related_black_left {
        width: 100%;
        margin-bottom: 200px;
    }

    .Related_black_left img {
        width: 100%;
        border-radius: 0px;
    }

    .liuyan_cont p {
        float: none;
    }

    .liuyan_cont textarea {
        float: none;
        width: 85%;
    }

    .liuyan_cont .tijiao {
        width: 77%;
        margin-right: 18%;
    }

    .liuyan_cont {
        height: auto;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .liuyan_cont {
        width: 100%;
        top: 54%;
        border-radius: 2px;
    }

    .liuyan_cont::before {
        top: -10%;
        right: -5%;
    }

    .liuyan_cont form {
        width: 90%;
        margin: 0 auto;
    }

    .liuyan_cont dt,
    .liuyan_cont dd {
        width: 46%;
    }

    .liuyan_cont::before {
        display: none;
    }

    .liuyan_cont input {
        width: 85%;
    }

    .liuyan_box {
        margin-top: 0;
    }

    .Related_black {
        height: 500px;
    }

    .liuyan_box {
        margin-top: 40px;
    }

    .Related_sb h2::before {
        width: 20px;
        height: 20px;
        top: 30px;
        left: 10px;
        background-size: cover;
    }

    .Related_sb h2 {
        padding-left: 35px;
    }
    .white_title h2{font-size: 1.6rem;    padding-right: 0}
    .list_whnews{padding-bottom: 10px;}
    .cp_rightbox p{font-size: 1.4rem;}
    .technical_content{width: 96%;}
}

@media screen and (max-width: 400px) {
    .Related_black {
        font-size: 1.2rem;
    }

    .liuyan_cont h2,
    .liuyan_cont h2 span {
        font-size: 1.4rem;
    }

    .liuyan_cont h2 span {
        line-height: 25px;
        margin-bottom: 10px;
    }

    .liuyan_cont h2 {
        margin-bottom: 0;
        margin-left: 15px;
    }

    .liuyan_cont dt,
    .liuyan_cont dd {
        font-size: 1.2rem;
    }

    .liuyan_cont input {
        font-size: 1.2rem;
    }

    .liuyan_cont .tijiao {
        height: 35px;
    }
}

@media screen and (max-width: 374px) {
    .white_titlelin a:nth-child(1) {
        padding-left: 26px;
    }

    .white_titlelin a:nth-child(2) {
        padding-right: 0;
    }

    .white_titlelin a:nth-child(1)::after {
        left: 0;
    }
}

.dede_pages {
    clear: both !important;
    padding: 10px 0;
    margin: 10px auto;
    text-align: center
}

.dede_pages ul {
    list-style: none;
    text-align: center;
    padding: 0;
    margin: 0
}

.dede_pages ul li {
    list-style: none;
    display: inline-block;
    height: 30px;
    line-height: 30px;
    padding: 0 7px;
    margin: 0 2px;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    border: #999 1px solid;
    border-radius: 3px
}

.dede_pages ul li:hover {
    background: #b71219;
    ;
    color: #fff;
    border-radius: 3px
}

.dede_pages ul li a {
    display: inline-block;
    height: 30px;
    line-height: 30px;
    padding: 0 7px;
    margin: 0;
    color: #555;
    overflow: hidden
}

.dede_pages ul li a:hover {
    color: #fff;
    overflow: hidden;
    text-decoration: none
}

.dede_pages ul li.thisclass {
    padding: 0 12px;
    background: #b71219;
    border: #b71219 1px solid;
    color: #fff;
    font-weight: 700
}

.dede_pages ul li.thisclass a {
    padding: 0;
    color: #fff
}