@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: 93%;
}

}
@media only screen and (max-width: 1152px){
.ind1 ul li{
    padding-left: 2%;
}
.ind1 ul li .ind1_ri{
    padding-left: 10px;
}
}
@media only screen and (max-width: 1024px){
.header{
    position: fixed;
}
.header_fixd {
    display: block;
    height: 90px;
}
.navBox {
    display: none;
}
.menu {
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(0%, -50%);
    cursor: pointer;
}
.gun_box .swiper-button-next,.gun_box .swiper-button-prev{
    width: 30px;
    height: 60px;
}
.foot1{
    width: 260px;
}
.foot_nav span {
    margin: 0 5px;
}
.xw li img {
    width: 220px;
}
.ind1 ul li{
    padding:30px 0;
    justify-content: center;
}
.ind1 ul li a{
    display: block;
}
.ind1 ul li img{
    max-width: 100%;
    margin: 0 auto;
}
.ind1 ul li .ind1_ri{
    padding-left: 0;
    text-align: center;
}
}
@media only screen and (max-width: 768px){
.footer{
    padding: 30px 0;
}
.foot1,.foot2{
    float: none;
}
.foot1{
    max-width: 50%;
    margin: 0 auto;
    margin-bottom: 20px;
}
.foot_nav,.cop{
    text-align: center;
}
.lx{
    padding: 30px 0;
}
.lx h3{
    font-size: 26px;
}
.lx h5{
    font-size: 20px;
}
.pad{
    padding: 30px 0;
}
.subnav {
    padding-top: 20px;
    border: none;
}
.subnav ul li {
    float: left;
    width: 32%;
    margin-right: 2%;
    margin-bottom: 5px;
    font-size: 16px;
    height: auto;
    line-height: 50px;
    border-radius: 5px;
    background: #cccccc;
}
.subnav ul li:nth-child(3n) {
    margin-right: 0;
}
.subnav ul li.curs,.subnav ul li:hover{
    color: #fefefe;
    border-bottom: none;
    background: #a2191e;
}
.padding{
    padding: 20px 0;
}
.xw ul li {
    padding-bottom: 20px;
}
.xw ul li+li {
    padding-top: 20px;
}
.xw li img {
    width: 180px;
}
.xw_ri h3{
    font-size: 16px;
}
.xw_ri p {
    -webkit-line-clamp: 2;
}
.show_ti h3 {
    font-size: 18px;
}
.show_ti {
    margin-bottom: 10px;
}
.ab {
    padding: 30px 0;
}
.tit {
    font-size: 20px;
    line-height: 22px;
}
.ab1{
    background: #ffffff;
}
.ab2{
    background: #4c4c4c;
}
.ind1_ri h3 {
    font-size: 24px;
}
.ind1_ri p {
    font-size: 16px;
}
.ind_ti {
    margin-bottom: 20px;
}
.ind_ti h3 {
    font-size: 24px;
}
.ind_ti p {
    font-size: 16px;
}
.new ul li{
    float: none;
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
}
.new ul li a{
    display: flex;
    align-items: center;
}
.ind3_nr {
    padding: 0 3%;
}
.new {
    margin-top: 20px;
}
}
@media (max-width: 640px){
.foot_nav{
    font-size: 14px;
    margin-bottom: 5px;
}
.tree{
    line-height: 50px;
    font-size: 18px;
}
.t1 {
    width: 44%;
}
.t2, .t3 {
    width: 28%;
}
.sideMenu h3{
    line-height: 40px;
    font-size: 16px;
}
.sideMenu ul{
    line-height: 26px;
    padding: 15px 3%;
}
.subnav ul li {
    line-height: 40px;
}
.ind1_ri h3 {
    font-size: 18px;
}
.ind1_ri p {
    font-size: 14px;
    line-height: 24px;
}
.new ul li img {
    width: 180px;
}
.ind3_nr .ms{
    display: none;
}
.ind3_nr h3{
    font-size: 16px;
    line-height: 24px;
}
}
@media only screen and (max-width: 414px){
.header {
    height: 60px;
}
.header_fixd {
    height: 60px;
}
.logo{
    width: 50%;
}
.menu {
    width: 8%;
}
.nav {
    top: 60px;
}
.nav-left {
    top:60px;
}
.a {
    font-size: 16px;
    line-height: 50px;
}
.banner .swiper-container-horizontal>.swiper-pagination-bullets{
    bottom: 5px;
}
.banner .swiper-pagination-bullet {
    width: 30px;
    height: 4px;
}
.nav {
    overflow: scroll;
    overflow-x: hidden;
}
.footer{
    padding: 20px 0;
}
.foot1{
    margin-bottom: 10px;
}
.map{
    height: 300px;
}
.lx{
    font-size: 14px;
    line-height: 26px;
}
.lx h3{
    font-size: 24px;
}
.lx h5{
    font-size: 16px;
}
.tree{
    font-size: 16px;
}
.sideMenu h3{
    font-size: 14px;
}
.nr,.nr *{
    font-size: 14px;
    line-height: 24px;
}
.xw li img {
    width: 150px;
}
.xw_ri h3 {
    font-size: 14px;
    line-height: 24px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    white-space: normal;
}
.xw_ri p.ms {
    display: none;
}
.show_ti h3 {
    font-size: 16px;
}
.tit {
    font-size: 18px;
    line-height: 20px;
}
.ab_con, .ab_con * {
    font-size: 14px;
    line-height: 26px;
}
.ab3_con h3{
    font-size: 16px;
}
.ind1 ul li {
    padding: 20px 0;
}
.ind1 ul li img{
    max-width: 60%;
}
.more {
    width: 160px;
    line-height: 38px;
    margin-top: 20px;
    border: 1px solid #fff;
}
.ind2_con,.ind2_con *{
    font-size: 14px;
    line-height: 26px;
}
.new ul li img {
    width: 160px;
}
.bbb .change11{
    width: 120px;
    line-height: 40px;
    font-size: 16px;
}
}
@media only screen and (max-width: 375px){
.foot_nav span {
    margin: 0;
}
.ind1_ri p {
    font-size: 12px;
}
}
@media only screen and (max-width: 325px){

}