@media screen and (max-width: 1600px) {

  
  .inbanner .swiper-slide img{
    object-fit: cover;
  }

}

@media screen and (max-width: 1400px) {
  .index_bg{
    margin-top: 0;
  }
}

@media screen and (max-width: 1300px) {
  .head {
    background: #fff;
    padding: 0 2.5%;
  }
}

@media screen and (max-width: 1200px) {

}

@media screen and (max-width: 1000px) {
  :root {
    --head-height: 80px;
  }

  .head .nav{
    display: none;
  }

  .head .btn .menu_btn {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    margin-left: .2rem;
  }
  .head .btn .menu_btn span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: #333;
    margin: 3px auto;
    transition: var(--transition-custom);
  }
  /* .head .btn .menu_btn .line .line1 {
    margin-top: -5px;
  }
  .head .btn .menu_btn .line .line2 {
    margin-top: 5px;
  } */
  .head .btn .menu_btn.on .line1 {
    transform: translateY(5px) rotate(45deg);
  }
  .head .btn .menu_btn.on .line2 {
    height: 0;
    margin: 0;
    opacity: 0;
  }
  .head .btn .menu_btn.on .line3 {
    transform: translateY(-5px) rotate(-45deg);
  }


  .menu_bg{
    display: block;
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .3);
    opacity: 0;
  }
  .menu {
    display: block;
    position: fixed;
    z-index: 998;
    right: -360px;
    width: 360px;
    height: 100%;
    top: 0;
    background-color: #fff;
    transition: all 0.3s;
    padding: var(--head-height) 0 0;
  }
  .menu .nav {
    display: block;
    height: 100%;
    padding: 10px 0;
    overflow-y: auto;
  }
  .menu .nav li{
    opacity: 0;
    transform: translateY(.2rem);
    transition: all .3s;
  }
  .menu .nav a {
    display: block;
    font-size: 18px;
    line-height: 40px;
    color: #333;
    padding-right: 40px;
    overflow: hidden;
    -ms-text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .menu .nav dd a {
    font-size: 14px;
    line-height: 32px;
    color: #666;
  }
  .menu .nav li > a {
    padding-left: 10px;
    border-bottom: 1px solid #f2f2f2;
  }
  .menu .nav dl {
    display: none;
    padding: 10px 20px;
    background-color: #f2f2f2;
  }
  .menu .nav li,
  .menu .nav dd {
    position: relative;
    /* padding-right: 30px; */
  }
  .menu .nav li.on .btn,
  .menu .nav dd.on .btn {
    position: absolute;
    right: 0px;
    top: 0px;
    width: 40px;
    height: 40px;
  }
  .menu .nav li.on .btn p,
  .menu .nav dd.on .btn p {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    background-color: #999;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    -webkit-transition: all 0.3s;
    -o-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
  }
  .menu .nav li.on .btn p:nth-child(2),
  .menu .nav dd.on .btn p:nth-child(2) {
    -webkit-transform: translate(-50%, -50%) rotate(90deg);
    -moz-transform: translate(-50%, -50%) rotate(90deg);
    -ms-transform: translate(-50%, -50%) rotate(90deg);
    -o-transform: translate(-50%, -50%) rotate(90deg);
    transform: translate(-50%, -50%) rotate(90deg);
  }
  .menu .nav li.on.cur > .btn p,
  .menu .nav dd.on.cur > .btn p {
    -webkit-transform: translate(-50%, -50%) rotate(180deg);
    -moz-transform: translate(-50%, -50%) rotate(180deg);
    -ms-transform: translate(-50%, -50%) rotate(180deg);
    -o-transform: translate(-50%, -50%) rotate(180deg);
    transform: translate(-50%, -50%) rotate(180deg);
  }
  .menu .nav li.on.cur > .btn p:nth-child(2),
  .menu .nav dd.on.cur > .btn p:nth-child(2) {
    -webkit-transform: translate(-50%, -50%) rotate(360deg);
    -moz-transform: translate(-50%, -50%) rotate(360deg);
    -ms-transform: translate(-50%, -50%) rotate(360deg);
    -o-transform: translate(-50%, -50%) rotate(360deg);
    transform: translate(-50%, -50%) rotate(360deg);
  }

  .menu.on{
    right: 0;
  }
  .menu.on .nav li {
    opacity: 1;
    transform: translateY(0);
  }
  .menu.on .nav li:nth-child(2) {
    transition-delay: 0.2s;
  }
  .menu.on .nav li:nth-child(3) {
    transition-delay: 0.4s;
  }
  .menu.on .nav li:nth-child(4) {
    transition-delay: 0.6s;
  }
  .menu.on .nav li:nth-child(5) {
    transition-delay: 0.8s;
  }
  .menu.on .nav li:nth-child(6) {
    transition-delay: 1s;
  }

  /* .inbanner{
    margin-top: var(--head-height);
  } */
  .inbanner .swiper-slide a{
    height: auto;
    padding-bottom: 60%;
  }
  .inbanner .banner_btn{
    bottom: 0px;
  }
  .inlink .content li a h5 {
    padding: 15px 0;
  }
  .incase .content ul li{
    width: 100%;
  }
  .incase .content ul li:nth-child(1), .incase .content ul li:nth-child(6){
    width: 100%;
  }
  .incase .content ul li .img{
    padding-bottom: 50%;
  }
  .incase .content ul li:nth-child(1) .img, .incase .content ul li:nth-child(6) .img{
    padding-bottom: 50%;
  }
  .incase .content ul li .text{
    padding-bottom: 10px;
  }
  .foot_copyright{
    flex-wrap: wrap;
    padding-bottom: 0;
  }
  .foot_copyright p{
    margin-bottom: .1rem;
  }

}

@media screen and (max-width: 767px) {

  .intl h3{
    font-size: 24px;
  }
  .intl p{
    font-size: 14px;
  }

  .inabout .content{
    flex-direction: column-reverse;
  }
  .inabout .content .text{
    width: 100%;
    padding: .4rem .2rem;
  }
  .inabout .content .text h3{
    font-size: 24px;
  }
  .inabout .content .text p{
    font-size: 14px;
  }
  .inabout .content .img{
    width: 100%;
    padding-bottom: 50%;
  }

  .inpro .content li h3{
    font-size: 14px;
  }

  .innews .content li{
    width: 48%;
    margin-right: 4%;
  }
  .innews .content li:nth-child(2){
    margin-right: 0;
  }
  .innews .content li:nth-child(3){
    display: none;
  }
  .innews .content li .text h3{
    font-size: 16px;
  }

  .inlink .content li {
    width: 50%;
  }
  .inlink .content li a h5{
    font-size: 14px;
  }
  .inlink .content li a i{
    font-size: 16px;
  }

  .foot_content .left .foot_contact p{
    font-size: 14px;
  }
  .foot_copyright p{
    font-size: 14px;
  }
  .foot_copyright a{
    font-size: 14px;
  }
  

}

@media screen and (max-width: 640px) {
  :root{
    --head-height: 60px;
  }
}

@media screen and (max-width: 480px) {
  .head .btn .search .search_box{
    position: fixed;
    right: 2.5%;
    width: 95%;
    box-shadow: 0 0 10px rgba(0, 0, 0, .1);
  }
  .head .btn .search .search_box input{
    width: 100%;
  }
  .menu{
    width: 100%;
    right: -100%;
  }
  .menu.on{
    right: 0;
  }
  .innews .content ul{
    flex-wrap: wrap;
  }
  .innews .content li{
    width: 100%;
    margin-right: 0;
  }
  .innews .content li:nth-child(3){
    display: block;
  }
  .inlink .content li{
    width: 100%;
  }
}
