.tkg {
  height: 1rem;
}

@media (max-width: 1200px) {
  .header .nav li {
    margin-left: 0.35rem;
  }
}

@media (min-width: 981px) {
  .about .ab2 li:nth-child(2n) .item {
    flex-direction: row-reverse;
  }
  .about .ab2 li:nth-child(2n) .item .info {
    padding: 0 0 0 0.5rem;
  }
}

@media (max-width: 980px) {
  .header {
    padding: 0 !important;
  }
  body {
    padding-top: 55px;
  }
  .headerm {
    width: 100%;
    left: 0;
    top: 0;
    padding: 0 15px;
    position: fixed;
    height: 55px;
    z-index: 23;
    background: #fff;
  }
  .headerm .logo {
    margin-top: 0.05rem;
  }
  .headerm .logo img {
    width: 3rem;
  }
  .headerm .menuBtn {
    margin-top: -2px;
  }
  .big-nav {
    position: fixed;
    z-index: 9999;
    top: 0;
    right: -100%;
    background-size: cover;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    height: auto;
    width: 100%;
    overflow-y: auto;
  }
  .big-nav .scroll {
    width: 100%;
    position: fixed;
    top: 55px;
    z-index: 22;
    background: #fff;
    padding-bottom: 0.15rem;
    height: 100%;
    overflow-y: auto;
  }
  .big-nav .scroll::-webkit-scrollbar {
    width: 0;
    height: 5px;
  }
  .big-nav .scroll li {
    width: 100%;
    text-align: left;
    padding-top: 0;
    border-bottom: rgba(51, 51, 51, 0.1) solid 1px;
  }
  .big-nav .scroll li a {
    color: #999;
    font-size: 0.22rem;
    padding: 0.18rem 15px;
    position: relative;
    display: block;
  }
  .big-nav .scroll li .v1::after {
    display: block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0.25rem;
    text-align: center;
    right: 18px;
    font-size: 0.18rem;
    font-family: "iconfont" !important;
    content: "\e613";
    z-index: 2;
    font-weight: bold;
    color: #666;
    transition: 0.3s;
  }
  .big-nav .scroll li .v2 {
    padding: 0 15px 5px 20px;
    display: none;
  }
  .big-nav .scroll li .v2 li {
    width: 100%;
  }
  .big-nav .scroll li .v2 li a {
    display: block;
    padding: 10px 0;
    color: #999;
    font-size: 0.21rem;
  }
  .big-nav .scroll li .v2 li:last-child {
    border-bottom: 0;
  }
  .big-nav .scroll li .v2 li:hover a {
    color: #0055a2;
  }
  .big-nav .scroll li.on a {
    color: #0055a2;
  }
  .big-nav .scroll li.on .v1::after {
    content: "\e632";
  }
  .navShow .headerm .navbtnm i:before {
    content: "\e6e9";
    color: #333;
  }
  .navShow .big-nav {
    opacity: 1;
    visibility: visible;
    right: 0;
  }
  .banner .swiper-pagination {
    bottom: 0.15rem;
  }
  .g-type {
    margin-bottom: 0.35rem;
  }
  .section1 .list li {
    margin-bottom: 0.2rem;
  }
  .section2 .item .item-pic {
    width: 100%;
    margin-bottom: 0.2rem;
  }
  .section3 .item .icon {
    width: 0.65rem;
    height: 0.65rem;
    margin-top: 0.09em;
  }
  .contact {
    padding-bottom: 0.65rem;
  }
  .contact .wrap {
    padding: 0.65rem 0 0.3rem;
  }
  .contact .wrap li .icon {
    width: 0.55rem;
    height: 0.55rem;
  }
  .contact .wrap li .icon img {
    width: 0.25rem;
  }
  .contact::after {
    width: 100%;
    height: 62%;
    top: auto;
    bottom: 0;
    left: 0;
  }
  .contact .message {
    padding: 0.4rem 0 0 0;
    margin-top: 0.3rem;
  }
  .inner-slide {
    padding: 1.1rem 0;
  }
  .pages {
    padding: 0.4rem 0 0.2rem;
  }
  .application .dl {
    margin-bottom: 0.5rem;
  }
  .application .dl .dt {
    margin-bottom: 0.25rem;
  }
  .contact-box .lx2 {
    padding: 0.6rem 0 0.2rem;
  }
  .contact-box .lx2 .pic {
    margin: 0.25rem 0 0 0;
  }
  .about .g-type {
    margin: 0.4rem 0 0.65rem;
  }
  .about .ab1 {
    margin-bottom: 0;
  }
  .about .ab1 .video .play {
    bottom: 0.2rem;
    left: 0.2rem;
  }
  .about .ab1 .video .play img {
    width: 0.5rem;
  }
  .about .ab2 li {
    margin-bottom: 0.35rem;
  }
  .about .ab2 li .item .info {
    padding: 0 0 0.1rem 0;
  }
  .product-detail .wrap {
    padding: 0.2rem;
  }
  .product-detail .det1 .info {
    padding: 0.25rem 0 0 0;
  }
}

@media (max-width: 768px) {
  .footer .col1,
  .footer .col2,
  .footer .col3 {
    width: 100%;
  }
  .footer .col1 li {
    width: 50%;
    float: left;
    margin: 0.1rem 0;
  }
  .footer .col2 {
    max-width: 100%;
    margin: 0.4rem 0;
  }
  .footer .col2 .tel {
    margin: 0.15rem 0;
  }
  .footer .col3 {
    max-width: 100%;
  }
  .footer .col3 .logo img {
    width: 3.2rem;
  }
  .footer .col3 .desc {
    margin-top: 0.06rem;
  }
}