@media screen and (max-width: 820px) {
  .top {
    height: 586px;
  }
  .header {
    width: 82.2%;
  }
  .logo-1 {
    position: absolute;
    display: inline-block;
  }
  .header nav {
    display: none;
  }
  .logo-1 {
    position: absolute;
    top: 26px;
    right: 0px;
  }
  .company-name {
    position: absolute;
    top: 20px;
    left: 0px;
    width: 115px;
    height: 28px;
  }
  .logo-2 {
    top: 24px;
    width: 22.15px;
    height: 23.85px;
  }
  .header-middle {
    top: 112px;
  }
  .header-left {
    width: 100%;
    height: 176px;
  }
  .header-right {
    width: 100%;
    height: 246px;
  }
  .header-left h1 {
    display: block;
    margin-top: 0px;
    font-size: 30px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 45px;
  }
  .header-left p {
    margin-top: 14px;
    font-size: 14px;
    font-weight: 400;
    color: #1a1a1a;
    line-height: 16px;
  }
  .body-middle {
    width: 100%;
    height: 1246px;
  }
  .product-service {
    display: block;
    margin: 0 auto;
    width: 87.2%;
  }
  .subject > div {
    position: relative;
    margin-bottom: 24px;
    width: 100%;
    height: 148px;
  }
  .product-service-header {
    height: 178px;
  }
  .headline {
    margin-top: 60px;
    font-size: 26px;
    font-weight: 600;
    line-height: 30px;
  }
  .second-headline {
    margin-top: 8px;
    margin-bottom: 30px;
    width: 224px;
    font-size: 16px;
    font-weight: 400;
    line-height: 19px;
  }
  .subject {
    margin-bottom: 60px;
  }
  .subject h1 {
    position: absolute;
    top: 27px;
    left: 58px;
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    line-height: 21px;
  }
  .subject img {
    position: absolute;
    width: 30px;
    height: 30px;
    top: 24px;
    left: 16px;
  }
  .subject p {
    position: absolute;
    top: 68px;
    left: 16px;
    font-size: 16px;
    font-weight: 400;
    color: #1a1a1a;
    line-height: 28px;
  }
  .case-box {
    position: relative;
    display: block;
    width: 87.2%;
    height: 1563px;
    margin: 0 auto;
  }
  .case-item h1 {
    margin-top: 60px;
    font-size: 26px;
    line-height: 30px;
  }
  .case-link {
    margin-top: 30px;
    height: 728px;
  }
  .case-link > a {
    width: 100%;
    height: 164px;
    margin-bottom: 24px;
  }
  .conpany-profile-item {
    width: 100%;
    height: 0;
  }
  .conpany-profile h1 {
    margin-top: 60px;
    font-size: 26px;
    line-height: 30px;
  }
  .conpany-profile-item h1 {
    margin: 0;
    position: absolute;
    top: 998px;
    left: 19%;
    width: 61%;
    font-size: 16px;
    font-weight: normal;
    line-height: 19px;
    text-align: center;
  }
  .conpany-profile-item p {
    margin: 0;
    position: absolute;
    top: 1391px;
    font-size: 16px;
    font-weight: 400;
    color: #1a1a1a;
    line-height: 28px;
  }
  .commany-profile-img {
    width: 100%;
    height: 327px;
  }
  .conpany-profile-box {
    width: 100%;
  }
  .foot {
    height: 506px;
  }
  .foot-item {
    display: block;
    width: 76%;
    height: 506px;
    margin: 0 auto;
  }
  .foot-img {
    margin-top: 40px;
    width: 100%;
    height: 236px;
  }
  .foot-title {
    width: 100%;
    height: 160px;
    top: 306px;
    left: 0;
  }
  .foot-title h1 {
    display: block;
    margin-top: 0;
    font-size: 26px;
    font-weight: 600;
    line-height: 30px;
  }
  .foot-title p {
    margin-top: 12px;
    font-size: 16px;
    font-weight: 400;
    line-height: 28px;
  }
  .conpany-information {
    margin-top: 0px;
    height: 515px;
  }
  .conpany-information-box {
    display: block;
    width: 87.2%;
    height: 515px;
  }
  .conpany-information-title {
    width: 100%;
    height: 134px;
  }
  /* .conpany-information-title img{
    width: 22.15px;
    height: 23.85px;
    top: 25px;
  } */
  .conpany-information-title h1 {
    position: absolute;
    top: 24px;
    left: 0px;
    width: 115px;
    height: 28px;
  }
  .conpany-information-title p {
    top: 64px;
    left: 0px;
    font-size: 14px;
    font-weight: 400;
    line-height: 21px;
  }
  .conpany-information-list {
    width: 100%;
  }
  .conpany-information-list1 {
    top: 0;
    left: 0;
  }
  .conpany-information-list1 h1 {
    margin: 0px;
    display: block;
    font-size: 16px;
    font-weight: 600;
    line-height: 19px;
  }
  .conpany-information-list1 li {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 400;
    line-height: 16px;
  }
  .conpany-information-list2 {
    top: 212px;
    left: 0;
  }
  .conpany-information-list2 h1 {
    margin: 0;
    display: block;
    font-size: 16px;
    font-weight: 600;
    line-height: 19px;
  }
  .conpany-information-list2 li {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 400;
    line-height: 16px;
  }
  .return {
    bottom: 80px;
  }
}
@media screen and (min-width: 1200px) {
  .top,
  .body-middle,
  .foot,
  .case,
  .conpany-information,
  .website-foot {
    width: 100%;
    max-width: none;
  }
  .header,
  .product-service,
  .foot-item,
  .case-box,
  .conpany-information-box,
  .website-foot-item {
    display: block;
    width: 1200px;
  }
}