/* 匹配视口宽度小于 1600px 的情况 */
@media (max-width: 1599.98px) {
  /* 在这里编写针对小于 1600px 宽度的样式 */
  
  .product{
      display: flex;
      flex-direction: column;
  }
  .product .left{
      width: 100%;
  }
  .product .right{
      margin-top: 0px;
  }
}


/* 针对2.5K显示器（例如2560x1440） */
@media (min-width: 2460px) {
  .index_four p {
    position: absolute;
    top: 2.8em;
    font-size: 4.5em;
    line-height: 1.2em;
    left: 320px;
  }

  .index_four h1 {

    top: 26em;
    left: 321px;
    font-size: 1em;
    line-height: 1.8em;
  }

  .index_feve ul li h1 {

    font-size: 0.9em;
    line-height: 1.4em;
  }

  .index_feve ul li p {
    margin-top: 29px;
    font-size: 1.5em;
  }


  footer nav {
    width: 1210px;
  }

  footer .buttom {

    width: 850px;
  }

  footer nav .right .nav {

    width: 850px;
  }

  footer nav .left ul li {
    margin-bottom: 9.5px;
  }

  footer nav .right .nav>ul>li>ul>li {
    margin-bottom: 9.5px;
  }

  footer nav .right .nav>ul>li {
    margin-bottom: 110px;
  }

  footer .footerRight div {
    text-align: right;
    margin-top: 355px;
    color: #00000090;
  }

  /*footer .footerRight div p {*/
  /*    font-size: 1.2em;*/
  /*    letter-spacing: 0.5px;*/
  /*    margin-bottom: 13px;*/
  /*}*/

  footer .footerRight div h1 {
    line-height: 25px;
  }

  /*footer .footerRight div h2 {*/
  /*    font-size: 1.2em;*/
  /*    letter-spacing: 0.5px;*/
  /*}*/


  footer .footerRight ul li img {
    width: 40px;
  }

  footer .footerRight ul {

    width: 200px;
  }

  footer>img {
    top: 80px;
    width: 170px;
  }

  footer nav {

    padding-top: 80px;
  }

  footer .footerRight {
    top: 80px;

  }

  .index_two figcaption {
    font-size: 38px;
  }

  .brand_feve h1 {
    text-align: center;
    font-size: 1.2em;
  }

  section.brand_four article {
    font-size: 19px;
    line-height: 35px;
    letter-spacing: 1.1px;
    text-align: justify;
    color: #5b5859;
    margin-bottom: 26px;
  }

  section.brand_four {
    width: 900px;
    margin: auto;
    margin-top: 143px;
    margin-bottom: 143px;
  }

  .brand_two {
    width: 780px;
  }

  .brand_two ul li aside h1 {
    margin-top: 12px;
    font-size: 0.9em;
    line-height: 22px;
    color: #858585;
    font-weight: 300;
    letter-spacing: 0.5px;
  }

  .brand_one h1 {
    position: absolute;
    top: 47.2%;
    left: 19.2%;
    text-align: center;
    color: #fff;
    font-size: 15px;
    letter-spacing: 0.8px;
    line-height: 21px;
    font-weight: 300;
  }

  .productlist_feve ul {
    width: 1500px;
  }

  .productlist_feve ul li {
    overflow: auto;
    height: 320px;
  }


  .productlist_feve ul li img {
    width: 100%;
    height: auto;
  }

  .productlist_six ul {
    width: 1200px;
  }

  .caselist article {
    width: 1330px;
  }

  .caselist ul {
    width: 1330px;
    margin: auto;
    margin-top: 60px;
  }

  .caselist ul li img {
    width: 100%;
    height: 441px;
  }

  .case section {
    width: 1310px;
  }

  .case ul {
    width: 1310px;
  }

  .case ul li figure img {
    width: 100%;
    height: 209px;
  }

  ul.consultone {
    width: 1200px;
  }

  ul.consultone li {
    width: 371px;
    margin-right: 43px;
    margin-bottom: 106px;
  }

  header nav div.sub-nav ul {

    width: 350px;
    margin-left: 45.8%;
    margin-top: 20px;
  }

  header nav div.sub-height {
    height: 222px;
    top: 130px !important;
  }

  .index_four a {
    position: absolute;
    top: 650px;
  }

  .productlist_three ul {
    width: 2350px;
  }

  /*.brand_two {*/
  /*    width: 630px;*/
  /*}*/
  footer>a>img {

    width: 196px;
  }

  header.index .headerlogo {
    padding-top: 46px;
    width: 130px;
  }



  .register .register_logo {
    height: 78px;
    text-align: center;
    line-height: 78px;
    background: #332c2b;
  }

  .register .logoimg {
    width: 100px;
  }

  .register .register_one .left {
    /*flex: 1;*/
    /*justify-items: end;*/
    /*padding-right: 425px;*/
    /*background: #fff;*/
    /*padding-top: 77px;*/
    /*padding-bottom: 80px;*/
  }

  .register .register_one .right {
    width: 500px;
    padding: 77px 21px;
    background: #ebeae5;
    height: 100%;
  }
.register .register_one .ight{
    width: 500px;
}
  .register .register_one {
    width: 100%;
    display: flex;
    height: 100%;
    background: #ebeae5;
    /* padding-bottom: 50px; */
  }

  .register .register_one .right .neir {

    background: #f6f5f3;

    padding-bottom: 3px;
  }

  .register .register_one .top {
    width: 600px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #e7e7e7;
    padding-bottom: 7px;
  }

  .register .register_one .top a {}

  .register .register_one .top img {}

  .register .register_one .top p {
    font-family: 'HanSansRegular';
    font-size: 21px;
    letter-spacing: 0px;
  }

  .register .register_one .top button {
    width: 124px;
    border: none;
    background: #000000;
    height: 38px;
    color: #fff;
    font-size: 12px;
    font-family: 'HanSansRegular';
    cursor: pointer;
  }

  .register .register_one h1 {
    font-size: 1em;
    font-family: 'HanSansRegular';
    margin-top: 6px;
  }

  .register .register_one .weixden {}

  .register .register_one .right p {
    padding-top: 23px;
    font-size: 1em;
    margin-left: 49px;
    font-family: 'HanSansRegular';
    letter-spacing: 0px;
  }

  .register .register_one .right ul {
    margin-top: 27px;
    margin-left: 10px;
  }

  .register .register_one .right ul li {
    margin-bottom: 20px;
    display: flex;
  }

  .register .register_one .right h1 {
    font-size: 1em;
    margin-left: 24px;
    font-family: 'HanSansRegular';
    letter-spacing: 0px;
    border-bottom: 1px solid #e4e2e1;
    padding-bottom: 5px;
    width: 100%;
  }

  .register .register_one .right img {
    max-width: 20px;
    max-height: 20px;
  }

  .register .register_one h2 {
    text-align: left;
    width: 600px;
    font-size: 1em;
    margin-top: 22px;
    font-family: 'HanSansRegular';
    letter-spacing: 0.3px;
  }

  .register .register_one .register_form {
    width: 600px;
  }

  .register .register_one .latf {}

  .register .register_one .latf .flex {}

  .register .register_one .latf input {}


  .register .register_one h4 {
    width: 543px;
    font-family: 'HanSansRegular';
    font-size: 13px;
    margin-top: 25px;
    letter-spacing: 0px;
  }

  .register .register_one h3 {
    width: 600px;
    margin-top: 35px;
    font-family: 'HanSansRegular';
    font-size: 18px;
  }

  .register .register_one h5 {
    width: 543px;
    font-family: 'HanSansRegular';
    font-size: 13px;
    margin-top: 9px;
    letter-spacing: 0px;
  }

  .register .register_one h6 {
    width: 543px;
    font-family: 'HanSansRegular';
    font-size: 19px;
    margin-top: 25px;
    letter-spacing: 0px;
    margin-bottom: 20px;
  }

  .register .register_one .register_form ul {
    margin-top: 20px;
  }

  .register .register_one .register_form li {
    margin-bottom: 19px;
  }

  .register .register_one .register_form label {
    font-family: 'HanSansRegular';
    font-size: 1em;
  }

  .register .register_one .register_form select {
    display: block;
    width: 100%;
    margin-top: 10px;
    height: 39px;
    padding: 0 10px;
    font-size: 13px;
    border: 1px solid #e5e4e4;
  }

  .register .register_one .register_form option {}

  .register .register_one .register_form input {
    display: block;
    width: 98.9%;
    font-size: 15px;
    border: 1px solid #e5e4e4;
    margin-top: 9px;
    height: 35px;
    font-size: 13px;
  }

  .register .register_one .register_login {
    width: 543px;
    font-family: 'HanSansRegular';
  }

  .register .register_one .register_login ul {}

  .register .register_one .register_login ul li:nth-child(1) .phone {
    font-family: 'HanSansRegular';
    font-size: 10px;
    margin-bottom: 10px;
  }

  .register .register_one .register_login ul li:nth-child(1) {
    margin-bottom: 23px;
  }

  .register .register_login ul li:nth-child(1) .bainyuan {
    border: 1px solid #e6e5e5;
    padding: 0 13px;
  }

  .register .register_login ul li:nth-child(1) span {
    font-family: 'HanSansRegular';
    font-size: 10px;
  }

  .register .register_login ul li:nth-child(1) input {
    font-family: 'HanSansRegular';
    font-size: 11px;
    height: 35px;
    margin-left: 12px;
    width: 90%;
    letter-spacing: 2px;
    border: none;
  }



  .register .register_one .register_login ul li:nth-child(2) .phone {
    font-family: 'HanSansRegular';
    font-size: 10px;
    margin-bottom: 8px;
  }

  .register .register_one .register_login ul li:nth-child(2) {
    margin-bottom: 22px;
  }

  .register .register_login ul li:nth-child(2) .bainyuan {
    /* border: 1px solid #e6e5e5; */
    /* padding: 0 13px; */
    display: flex;
    justify-content: space-between;
  }

  .register .register_login ul li:nth-child(2) span {
    font-family: 'HanSansRegular';
    font-size: 10px;
  }

  .register .register_login ul li:nth-child(2) input {
    font-family: 'HanSansRegular';
    font-size: 11px;
    height: 35px;
    padding-left: 12px;
    letter-spacing: 2px;
    width: 76.5%;
    border: 1px solid #e6e5e5;
  }

  .register .register_login ul li:nth-child(2) button {
    border: none;
    width: 98px;
    height: 39px;
    background: #000;
    font-family: 'HanSansRegular';
    font-size: 12px;
    color: #fff;
  }




  .register .register_one .register_login ul li:nth-child(4) .phone,
  .register .register_one .register_login ul li:nth-child(3) .phone {
    font-family: 'HanSansRegular';
    font-size: 10px;
    margin-bottom: 10px;
  }

  .register .register_one .register_login ul li:nth-child(4),
  .register .register_one .register_login ul li:nth-child(3) {
    margin-bottom: 23px;
  }

  .register .register_login ul li:nth-child(4) .bainyuan,
  .register .register_login ul li:nth-child(3) .bainyuan {
    border: 1px solid #e6e5e5;
    padding: 0 13px;
  }

  .register .register_login ul li:nth-child(4) span,
  .register .register_login ul li:nth-child(3) span {
    font-family: 'HanSansRegular';
    font-size: 10px;
  }

  .register .register_login ul li:nth-child(4) input,
  .register .register_login ul li:nth-child(3) input {
    font-family: 'HanSansRegular';
    font-size: 11px;
    height: 35px;
    width: 95.5%;
    border: none;
    letter-spacing: 2px;
  }

  .register .register_login>button {
    border: none;
    width: 100%;
    height: 39px;
    background: #000000;
    font-family: 'HanSansRegular';
    font-size: 12px;
    color: #fff;
    margin-top: 3px;
  }

  .login .login_one {
    width: 890px;
    margin: auto;
    margin-top: 173px;
    padding: 30px 83px;
    background: #fefefe;
    border-radius: 17px;
  }

  header .headerlogo {

    width: 135px;
  }




  .afterSales_two>p {
    width: 800px;
    margin: auto;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 1.3px;
    margin-bottom: 29px;
  }

  .afterSales_two>h1 {
    width: 800px;
    margin: auto;
    line-height: 36px;
    color: #4d4c4d;
    letter-spacing: 1px;
    text-align: justify;
    margin-bottom: 14px;
    font-size: 1.1em;
  }

  .afterSales_two>h2 {
    width: 800px;
    margin: auto;
    line-height: 36px;
    color: #4d4c4d;
    letter-spacing: 1px;
    text-align: justify;
    margin-bottom: 2px;
    font-size: 1.1em;
  }
.maintainance_one h1 {
    position: absolute;
    top: 37.5%;
    right: 20.8%;
    text-align: center;
    color: #fff;
    font-size: 18px;
    letter-spacing: 0px;
    line-height: 21px;
    font-weight: 600;
}
.maintainance_two figure figcaption::before, .maintainance_two figure figcaption::after {
    content: '';
    position: absolute;
    width: 19em;
    height: 1px;
    background: #d3d4d5;
    top: 19px;
}
.maintainance_feve h1 {
    top: 47.6%;
    color: #ffffff;
    font-size: 28px;
    letter-spacing: -0.5px;
    line-height: 21px;
    font-weight: 400;
    left: 0;
    right: 0;
    text-align: center;
    position: absolute;
}
  .afterSales_two>h3 {
    width: 800px;
    margin: auto;
    font-size: 1em;
    margin-top: 74px;
    font-weight: 500;
  }

  .afterSales_two>h4 {}

  .afterSales_two>h5 {}

  .afterSales_two>h6 {}

  .product .right {
    width: 858px;

  }

  .product .right .shoucahng {
    width: 84px;
  }

  .product .right .ckanqdan {
    width: 100px;
  }

  #cartPanel {
    right: -520px;
    width: 520px;
  }
  
  .delivery_two figcaption{
    font-size: 32px;
}
.delivery_feve>figcaption::before, .delivery_feve>figcaption::after{
    width: 24em;
}
.delivery_two>figcaption::before, .delivery_two>figcaption::after{
    width: 21em;
}
.delivery_two aside {
    text-align: center;
    font-size: 24px;
    margin-top: 117px;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.delivery_two ul li figure figcaption {
    font-size: 20px;
    margin-top: 22px;
}
.delivery_three aside {
    text-align: center;
    margin-top: 39px;
    font-size: 18px;
    line-height: 36px;
    color: #3a3738;
}
  .delivery_four h1 {
    font-size: 1.2em;
  }
.delivery_four aside {
    text-align: center;
    font-size: 22px;
    margin-top: 103px;
    color: #373435;
    font-weight: 600;
    margin-bottom: 47px;
}
.delivery_one h1 {
    position: absolute;
    top: 38.7%;
    right: 16.5%;
    text-align: center;
    color: #332c2b;
    font-size: 16px;
    letter-spacing: 0px;
    line-height: 21px;
    font-weight: 600;
}
.delivery_four h1 {
    width: 880px;
    margin: auto;
    line-height: 36px;
    color: #4d4c4d;
    letter-spacing: 1px;
    text-align: justify;
    margin-bottom: 38px;
    font-size: 1.2em;
}
  .afterSales_two span,
  .delivery_four span {
    font-size: 1em;
  }

  .zuijinyulian ul,
  .zuijinyulian p {
    margin-left: 11.5%;
  }
.afterSales_one h1 {
    position: absolute;
    top: 39.2%;
    color: #fff;
    font-size: 21px;
    letter-spacing: 0.5px;
    line-height: 21px;
    left: 0;
    right: 0;
    text-align: center;
}
.afterSales_two figure figcaption::before, .afterSales_two figure figcaption::after {
    content: '';
    position: absolute;
    width: 14em;
    height: 1px;
    background: #bdbfc1;
    top: 24px;
}


}

/* 针对宽度大于4096px的设备 */
@media screen and (min-width: 4096px) {
  footer nav {
    width: 3000px;
    padding-top: 180px;
  }

  footer nav a,
  footer nav a {
    font-size: 1.2em;
  }

  footer nav .left ul li {
    margin-bottom: 18px;
  }

  footer nav .right p,
  footer nav .left p {
    font-size: 1.2em;
    margin-bottom: 47px;
  }

  footer nav .right .nav {
    width: 1860px;
  }

  footer nav .right .nav>ul>li>ul>li {
    margin-bottom: 18px;
  }

  footer .buttom {
    width: 1800px;
  }

  footer nav .right p::after,
  footer nav .left p::after {
    bottom: -15px;

  }

  footer nav .right .nav>ul>li>ul {
    height: 295px;
  }

  footer .footerRight div h1 {
    line-height: 67px;
    margin-bottom: 15px;
    font-size: 1.2em;
    margin-top: 15px;
  }

  footer .footerRight div h2,
  footer .footerRight div p {
    font-size: 1.2em;
  }

  footer .footerRight ul {
    width: 390px;
  }

  footer .footerRight ul li img {
    width: 100px;
  }

  footer .footerRight div {
    margin-top: 805px;
  }

  .dianji {
    position: fixed;
    right: 104px;
    bottom: 31%;
    z-index: 99;
    width: 115px;
  }

  footer .footerRight {
    top: 180px;
  }

  footer>a>img {
    left: 150px;
    width: 250px;
    top: 180px;
  }

  .index_six ul {
    width: 700px;
  }

  .index_six {
    margin-top: 160px;
    margin-bottom: 120px;
  }

  .index_six ul li img {
    width: 160px;
  }

  .index_six ul li p {
    font-size: 36px;
    margin-top: 25px;
  }

  .index_feve {
    width: 1800px;
    margin-top: 222px;
  }

  .index_feve ul li {
    width: 850px;
    padding-bottom: 36px;
  }

  .index_feve ul li p {
    width: 740px;
  }

  .index_feve ul li h1 {
    font-size: 1em;
    line-height: 1.4em;
    width: 740px;
    margin-top: 26px;
  }

  .index_feve ul li a>img {
    width: 20px;
  }

  .index_four a {
    position: absolute;
    top: 1650px;
    width: 250px;
    padding: 20px 0;
  }
.index_three ul li .felx {
    padding: 30px 44px;
}
  .index_three ul li .felx h5 {
    font-size: 1em;
    width: 216px;
    margin-top: 8px;
    padding: 13px 0;
  }

  .index_three ul li h1 {
       font-size: 32px;
    margin-left: 40px;
    margin-top: 23px;
    color: #636365;
    letter-spacing: 0.2px;
  }

  .index_three ul li p {
     margin-top: 25px;
    font-size: 36px;
    color: #6c6c6e;
    padding-left: 40px;
    letter-spacing: 0px;
  }

  .index_three ul li div.felx img {
    width: 11px;
    height: 27px;
    margin-top: 12px;
    width: 24px;
  }

  .index_two figcaption {
    margin-top: 150px;
    font-size: 70px;
  }

  .index_two ul li p {
    font-size: 140px;
  }

  .index_two ul li img {
    position: absolute;
    right: 0px;
    top: 15px;
    width: 33px;
  }

  .index_two ul li span {
    font-size: 38px;
    margin-left: 12px;
  }

  .index_two ul li h1 {
    font-size: 40px;
    margin-top: 30px;
  }

  .index_two ul {
    width: 1800px;
  }

  .index_two ul li {
    margin-right: 214px;
  }

  .index_three {
    margin-top: 150px;
  }
.index_one figcaption {
    font-size: 100px;
}
.index_one h1 {
  font-size: 37px;
    line-height: 50px;
}
.index_three {
    margin-top: 150px;
    margin-bottom: 150px;
}
header nav {
    width: 1200px;
    margin-top: 40px;
}
    header nav div.sub-height {
        height: 470px ;
        top: 223px !important;
    }
    header nav div.sub-nav ul {
        width: 350px;
        margin-left: 46.3%;
        margin-top: 30px;
    }
header nav div.sub-nav ul li {
    margin-bottom: 15px;
}
    header.index .headerlogo {
        padding-top: 46px;
        width: 220px;
    }
header {

    padding-bottom: 40px;
}
.delivery_one h1 {
       font-size: 50px;
    right: 17%;
}
.delivery_one figcaption {
    right: 17%;
    font-size: 100px;
}
.delivery_two figcaption {
    font-size: 80px;
}
.delivery_two>figcaption::before, .delivery_two>figcaption::after {
    width: 27%;
    top: 40px;
}
.delivery_two {
    margin-top: 190px;
}
.delivery_two aside {
    font-size: 40px;
        margin-top: 100px;
}
.delivery_two ul li figure img {
    width: 140px;
}
.delivery_two ul li:nth-child(2n+2) img{
      width: 70px;
}
.delivery_two ul li:nth-child(2n+2) {
    padding-top: 55px;
}
.delivery_two ul li figure figcaption {
    font-size: 35px;
    margin-top: 40px;
}
.delivery_two ul {
    margin-top: 155px;
}
.delivery_three p {
    text-align: center;
    font-size: 50px;
    margin-top: 150px;
}
.delivery_three aside {
    text-align: center;
    margin-top: 50px;
    font-size: 36px;
    line-height: 58px;
    color: #3a3738;
}






















}