@media only screen and (max-width: 1720px){

}
@media only screen and (max-width: 1680px){
    

}
@media only screen and (max-width: 1600px){

}
@media only screen and (max-width: 1440px){
    
}
@media only screen and (max-width: 1366px){
    

}
@media only screen and (max-width: 1280px){
.main{
    width: 94%;
}
.nav-ul>li+li{
    margin-left: 7%;
}

}
@media only screen and (max-width: 1152px){
.nav-ul>li+li{
    margin-left: 5%;
}
.ind5_con>div{
    height: 100%;
}
}
@media only screen and (max-width: 1024px){
.navBox {
    display: none;
}

.header {
    height: 90px;
}
.logo{
    height: 100%;
}
.menu{
    display: block;
}
.dw h3 {
    font-size: 36px;
}
.xian {
    margin: 20px auto 30px;
}
}
@media only screen and (max-width: 768px){
.pc{
    display: none;
}
.m{
    display: block;
}
.index1 {
    padding: 40px 0 20px;
}
.title {
    margin-bottom: 30px;
}
.title h3 {
    font-size: 24px;
}
.xian1 {
    margin: 10px auto 15px;
}
.pro ul li {
    width: 49%;
}
.pro ul li:nth-child(2n) {
    margin-right: 0;
}
.ind2_ti {
    width: 100%;
    font-size: 20px;
}
.ind2_ti span:before {
    margin-bottom: 15px;
}
.ind2_ti span:after {
    margin-top: 15px;
}
.index3,.index4,.index5 {
    padding: 40px 0;
}
.ab1 {
    display: block;
}
.ind5 {
    padding: 20px;
}
.ab1_lf,.ab1_ri,.ind4_lf,.ind4_ri,.ind5_lf, .ind5_ri,.ind img,.ind_ri,.page2 a{
    float: none;
    width: 100%;
}
.ab1_lf,.ind4_lf{
    margin-bottom: 20px;
}
.ind5_lf {
    padding: 20px;
    border-right: 1px solid #ffffff;
    border-top: none;
}
.footer {
    font-size: 16px;
}
.pro ul li h3 {
    font-size: 16px;
}
.p100,.about{
    padding-bottom: 20px;
}
.tit {
    padding: 20px 0 30px;
}
.subnav {
    margin-bottom: 20px;
}
.sub a {
    width: 49%;
    margin-bottom: 2%;
}
.subnav a{
    font-size: 16px;
    line-height: 40px;
}
.sub a:nth-child(2n){
    float: right;
}
.dw h3 {
    font-size: 30px;
}
.xian {
    height: 1px;
    margin: 10px auto 20px;
}
.dw h5 {
    font-size: 16px;
}
.ind,.pad{
    padding: 20px;
}
.ind_ri {
    padding-top: 20px;
}
.ind_ri h3 {
    font-size: 18px;
    padding-bottom: 10px;
}
.page2 {
    margin-top: 30px;
}
.page2 a{
    font-size: 16px;
    line-height: 30px;
    text-align: left !important;
}
.show_ti {
    margin-bottom: 20px;
}
.show_ti h3 {
    margin: 0 auto 10px;
    font-size: 16px;
    line-height: 26px;
}
.p50{
    padding-bottom: 40px;
}
.p80 {
    padding: 30px 0;
}
.map {
    width: 100%;
    margin-bottom: 20px;
}
.ab_ti h3 {
    width: 50%;
    font-size: 16px;
    line-height: 50px;
}
}
@media (max-width: 640px){
}
@media only screen and (max-width: 414px){
.header {
    height: 60px;
}
.menu {
    width: 8%;
}

.logo img{
    max-height: 50px;
}
.nav {
    top: 60px;
    overflow: scroll;
    overflow-x: hidden;
}
.a {
    font-size: 16px;
    line-height: 50px;
}
.levela{
    font-size: 14px;
    line-height: 40px;
}
.banner2 .swiper-container-horizontal>.swiper-pagination-bullets {
    bottom: 10px;
}
.title {
    margin-bottom: 20px;
}
.title h3 {
    font-size: 20px;
}
.xian1 {
    margin: 10px auto;
}
.title h5 {
    font-size: 13px;
}
.hg {
    font-size: 12px;
    line-height: 20px;
    padding: 10px;
}
.index1 .pro ul li h3 {
    font-size: 14px;
}
.index2 ul li {
    width: 100%;
}
.ab1_ri,.ind5_lf  {
    line-height: 26px;
}
.ind4,.ind5,.ind5_lf {
    padding: 10px;
}
.ind4_lf h3 {
    font-size: 14px;
    line-height: 40px;
}
.ind4_ri ul li h3 span,.xw ul li h3 span{
    display: none;
}
a.more {
    width: 120px;
    margin: 20px auto 0;
}
.footer {
    font-size: 14px;
    padding: 15px 0;
}
.pro ul li h3 {
    font-size: 14px;
    line-height: 30px;
}
.tit {
    font-size: 13px;
}
.sub{
    display: none;
}
/*.sub a {
    width: 100%;
}*/
.banner img{
    height: 200px;
    object-fit: cover;
}
.dw h3 {
    font-size: 26px;
}
.dw h5 {
    font-size: 13px;
}
.xian {
    margin: 10px auto 15px;
}
.ind {
    padding: 10px;
}
.ind_ri h3 {
    font-size: 16px;
}
.page2 a {
    font-size: 14px;
    line-height: 26px;
}
.xw ul li h3 {
    font-size: 16px;
    margin-bottom: 5px;
}
.pad {
    padding: 10px;
}
.ab_ti h3 {
    line-height: 40px;
}
}
@media only screen and (max-width: 375px){
.nav {
    width: 70%;
}
}
@media only screen and (max-width: 325px){

}