@media screen and (max-width: 1200px) {
  .top,
  .index-c2,
  .activitie-c {
    width: 100%;
    padding: 0 15px;
  }
  @media screen and (max-width: 640px) {
	  .index-c3-box{
		  display:none
		  
	  }
    }
	
  nav {
    width: 100%;
    padding: 0 15px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .index-c1 {
    width: 100%;
  }
  .index-c1-box,
  .index-c2-box {
    min-width: 100%;
  }
  .index-c2-l {
    width: 50%;
  }
  .index-c3 {
    width: 100%;
    padding: 0 15px;
  }
  .index-c3-box {
    height: auto;
    min-width: 100%;
    padding-bottom: 40px;
  }
  .index-c3-div1-list {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }
  .index-c3-div1-list a {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
    margin: 0 10px;
  }
  footer nav ul li {
    margin-right: 20px;
  }
  footer .lxwm {
    width: 300px;
  }
  .index-c1-list-c {
    width: 100%;
    padding: 0 5px;
  }
  .index-c1-list {
    padding-left: 10px;
    padding-right: 10px;
  }
  .project-box1-i {
    padding-top: 40px;
    margin-bottom: 20px;
  }
  .project-box1-c {
    width: 100%;
    padding: 0 30px;
  }
  .project-box2-list {
    height: auto;
  }
  .project-box2-list-l {
    width: 37%;
  }
  .project-box2-list-r {
    width: 63%;
    padding-left: 20px;
  }
  .project-box2-list-r div {
    padding-top: 20px !important;
  }
  .project-box2-list-c {
    left: 37%;
    top: 50%;
    margin-top: -52px;
    margin-left: -52px;
  }
  .project-box4-c li {
    width: 48%;
    margin-right: 0;
  }
  .project-box4-c li:last-child {
    margin-left: 4%;
  }
  .project-box5-list li {
    width: 48%;
    margin-right: 0;
  }
  .project-box5-list li:last-child {
    margin-left: 4%;
  }
  .project-box5-list li {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
  }
  .project-box5-list .project-box5-list-r {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
    margin-left: 15px;
  }
}
@media screen and (max-width: 769px) {
  header nav {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
        -ms-flex-align: center;
            align-items: center;
  }.carousel-inner img{
	  height:180px;
  }
  .logo {
    padding-top: 0;
  }
  .nav-list {
    margin-left: 20px;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
  }
  .nav-list li {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
  }
  .nav-list li a {
    padding: 0;
	text-align:center;
  }
  .index-c2-r {
    width: 340px;
  }
  .index-c2-r > div {
    width: 266px;
  }
  footer {
    height: auto;
  }
  footer nav {
    height: auto;
    overflow: hidden;
  }
  footer nav ul {
    overflow: hidden;
  }
  footer nav ul li {
    margin-right: 10px;
  }
  .footer-ewm {
    width: 100%;
    text-align: center;
  }
  .footer-ewm img {
    max-width: 30%;
    margin: 0 auto;
  }
  .project-box5-list {
    margin-bottom: 0px;
  }
  .project-box5-list li {
    margin-bottom: 40px;
  }
  .project-box4-c li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .project-box4-c li:last-child {
    margin-left: 0%;
  }
  .project-box5-list li {
    width: 100%;
    margin-right: 0;
  }
  .project-box5-list li:last-child {
    margin-left: 0%;
  }
  .jtdt-3-t3 li {
    width: 30%;
    margin: 0 1.5%;
  }
  .jtdt-c {
    font-size: 14px;
  }
  .jtdt-c span {
    font-size: 18px;
  }
  .sxy-2-c li {
    width: 30%;
    margin: 0 1.5%;
  }
  .sxy-1-c-l {
    width: 50%;
  }
  .sxy-1-c-r {
    width: 50%;
  }
  .sxy-1-c-l-c {
    font-size: 12px;
  }
  .ppdt-1-l {
    width: 100%;
  }
  .ppdt-1-r {
    width: 100%;
    margin-top: 20px;
  }
  .ppdt-2-list li {
    width: 30%;
    margin: 0 1.5%;
  }
  .ppdt-3-list li {
    width: 30%;
    margin: 0 1.5%;
    margin-bottom: 20px;
  }
  .ppdt-3-list-c {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    overflow: hidden;
  }
  .ppdt-3-list-c-l {
    min-width: 50px;
    margin-right: 5px;
  }
  .ppdt-3-list-c-r {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
    width: 0;
  }
  .activitie-c-1 {
    width: 57%;
  }
  .activitie-c-1-right {
    width: 40%;
  }
  .activitie-c-3-list li {
    width: 46%;
    margin: 0 2%;
    margin-top: 20px;
  }
  .activitie-c-4-list-l {
    width: 40%;
  }
  .activitie-c-4-list-r {
    width: 57%;
  }
  .activitie-c-4-list-r-t2 {
    margin-top: 10px;
  }
  .activitie-c-4-list-l {
    width: 40%;
  }
  .activitie-c-4-list-r {
    width: 57%;
  }
  .avtiv-r {
    height: auto;
    margin-bottom: 20px;
  }
  .avtiv-r .product-init {
    font-size: 16px;
  }
  .product-info {
    position: relative;
  }
  .sczl-list a {
    width: 46%;
    margin: 0 2%;
    font-size: 16px;
  }
}
@media screen and (max-width: 640px) {
  .nav-list-menu {
    display: none !important;
  }
  .index-c3-div1-t {
    padding-top: 30px;
  }
  .zuoxia {
    width: 50px;
  }
  .youxia {
    width: 50px;
  }
  .project-box1-i {
    padding-top: 0;
    width: 55px;
  }
  .project-box1-c {
    font-size: 10px;
  }
  .project-box1-fg {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .project-box1 {
    overflow: hidden;
  }
  .project-box1 > img {
    width: 200%;
  }
  .top-box {
    display: none;
  }
  .logo {
    width: 120px;
  }
  .navbar-toggle {
    display: block;
  }
  .nav-list {
    display: none;
    position: absolute;
    top: 70px;
    left: 15px;
    right: 15px;
    z-index: 9999;
    background: #fff;
    height: auto;
    margin: 0;
    border: 1px solid #f5f5f5;
  }
  .nav-list li {
    border-bottom: 1px solid #f5f5f5;
    min-width: 100%;
  }
  .nav-list li:last-child {
    border: 0;
  }
  .nav-list li ul {
    border-top: 1px solid #f5f5f5;
  }
  .index-box .swiper-pagination {
    bottom: 10px;
  }
  .index-c1-t {
    font-size: 22px;
  }
  .index-c1-list-t {
    font-size: 20px;
    padding-top: 0px;
    padding-bottom: 0px;
  }
  .index-t-img {
    width: 120px;
  }
  .index-c1-box,
  .index-c1 {
    height: auto;
  }
  .index-c1-list {
    display: block;
  }
  .index-c1-list a {
    min-width: 100%;
    margin-bottom: 0px;
  }
  .index-c2-box {
    height: auto;
  }
  .index-c2-l {
    float: none;
    width: 100%;
  }
  .index-c2-r {
    float: none;
    width: 100%;
    height: 340px;
  }
  .index-c2-l-t :nth-child(1) {
    font-size: 22px;
    color: #fff;
  }
  .index-c2-nav {
    position: relative;
    left: 15px;
    right: 15px;
    bottom: 15px;
  }
  .index-c2-nav a {
    margin: 0;
    font-size: 12px;
    padding: 0 5px;
  }
  .index-c3-div1-list {
    display: block;
  }
  .index-c3-div1-list a {
    min-width: 100%;
    margin: 0;
    margin-bottom: 10px;
  }
  .index-c3-div2-list,
  .index-c3-div3-list {
    height: auto !important;
    padding-bottom: 20px;
  }
  .index-c3-div2-l-t {
    font-size: 16px;
  }
  .index-c3-div2-l-c {
    display: block;
    font-size: 0;
  }
  .index-c3-div2-l-c li {
    padding: 0 5px;
    width: 50%;
    display: inline-block;
  }
  .index-c3-div3-l-c {
    margin: 0;
  }
  .index-c3-div3-l-c li {
    width: 100%;
    padding-top: 20px;
  }
  footer nav ul li {
    width: 49%;
    margin-right: 0;
    padding-right: 10px;
    margin-bottom: 30px;
  }
  .f-cb {
    float: none;
  }
  .f-cb .project-box2-list-l {
    float: none;
    width: 100%;
  }
  .f-cb .project-box2-list-r {
    float: none;
    width: 100%;
    padding: 0;
  }
  .f-cb .project-box2-list-r div {
    padding: 15px;
  }
  .f-cb .project-box2-list-c {
    position: relative;
    margin: 0 auto;
    left: 0;
    right: 0;
    top: 0;
    margin-top: 20px;
  }
  .footer-ewm {
    width: 100%;
    float: none;
    padding-top: 0px;
    margin-right: 0px;
    padding-bottom: 20px;
  }
  .project-qh .swiper-slide {
    width: 300px;
    height: 150px;
  }
  .project-box4-c1 {
    padding: 10px 15px;
    font-size: 14px;
  }
  footer .lxwm {
    width: 100%;
  }
  .jtdt-2-t {
    padding: 15px;
    font-size: 14px;
  }
  .jtdt-3-t3 li {
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
  }
  .jtdt-4-c .jtdt-4-c-input {
    width: 100%;
    margin: 20px 0 0 0 !important;
  }
  .fenye {
    margin-top: 30px;
    margin-bottom: 50px;
  }
  .activitie-c-2-list > div {
    font-size: 14px;
  }
  .sxy-2-c li {
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
  }
  .sxy-1-c-l {
    padding: 0;
    width: 100%;
    margin-bottom: 20px;
  }
  .sxy-1-c-r {
    width: 100%;
  }
  .ppdt-2-list li {
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
  }
  .ppdt-3-list li {
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
  }
  .ppdt-3-list-c-r1 {
    font-size: 16px;
  }
  .activitie-c-1 {
    width: 100%;
  }
  .activitie-c-1-right {
    width: 100%;
    margin-top: 20px;
  }
  .activitie-c-3-list li {
    width: 100%;
    margin: 0;
    margin-top: 20px;
  }
  .activitie-c-4-list-l {
    width: 100%;
  }
  .activitie-c-4-list-r {
    width: 100%;
    margin-top: 20px;
  }
  .activitie-c-4-list-r-t2 {
    margin-top: 10px;
  }
  .avtiv-r .product-init {
    float: none;
  }
  .avtiv-r .product-init + a {
    float: none;
    margin: 0 auto;
    margin-top: 15px;
  }
  .sczl-list a div {
    font-size: 16px;
  }
  .news-c-t {
    line-height: 1.4em;
  }
  .activitie-c-4-list-r-t2 a {
    width: 130px;
    font-size: 14px;
    line-height: 35px;
    height: 35px;
  }
  .activitie-c-4-list-r-t2 div {
    font-size: 22px;
    padding-top: 6px;
  }
  /*20200417*/
  .ppdt-3-list-c-l{min-width: 40px;}
  .index-c2-l-t{padding-top: 22px;}
  .index-c2-l-t :nth-child(2){padding-top: 0px;padding-bottom: 5px;}
  .index-c2-l-c :nth-child(1){padding-top: 20px;font-size: 16px;}
  .index-c2-r-i2{top: 25px;}
  .index-c2-r-i1{top: 85px;}
  .index-c2-r{height: 300px;}   
  .footer-c{padding-top:10px;padding-top: 0;line-height: 20px;font-size: 14px;}  
  .footer nav ul li{margin-bottom:0;}
  .footer-c_1{display:inline-block;width:auto;margin:0 2%;}
  .footer nav{width:100%;}
  .ppdt-3-list-c{height:auto;margin-top: 15px}
  .ppdt-3-list-c-l .list-c-2{font-size:14px !important;padding: 2px 0 !important;}
  .ppdt-3-list-c-l{width:auto;padding: 3px 0;}
  .ppdt-3-list li{margin-bottom:15px;}
  .index-t-img{padding-top:15px;}
  .ppdt-3-list{padding-top: 15px;}
  .index-c3-div1-t{font-size: 26px;}
  .index-c1-list a{min-width: auto;margin-bottom: 0px;width: 32%;display: inline-block;margin-bottom:15px;}
  .index-c1-list a img{width:35%;}
  .index-c1-list{margin-top: 15px !important;padding: 0 !important}
  .index-c1-t{padding-top:0px !important;color: #57391e;}
  .index-c1-t span{color: #e3b58b}
  .index-c1-list-c{font-size:12px !important;}
  .index-c3-div1-t{color:#57391e;}
  .ppdt-3-list-c-l{}
  .footer-top{background: #552912  !important}
   .index-c3-box{display: block;}
   .index-c3-div1-list a{width: 31%;min-width: 0px;display: inline-block;margin-right: 0 !important;height: 43vw;overflow: hidden;margin-right: 2% !important;}
   .index-c3-div1-list >:nth-last-child(2){margin-right: 0;}
   .index-c3-div1-list{width: 103%;}
   .index-c3-d-l-fg1 span{width: 100%;}
   .index-c3-d-l-fg{padding-top: 30%}
   .index-c3-d-l-fg i{font-size: 60px}
   .index-c3-d-l-fg div{line-height: 0;padding-top: 0}
   .index-c3-div1-list a img{height: 100%}
   .ppdt-3-list-c-r2{font-size: 12px;margin-top: 5px}
   /*footer, .footer-b, .index-c2-box, .ppdt-3-list-c-l {background: #552912;}*/
   .index-c3-div1-t{color: #552912 !important}
}