.tkg {
  height: 0.92rem;
}

@media (min-width: 981px) {
  .about .ab1 .contbox .jst {
    position: absolute;
    z-index: -1;
    right: 0;
    top: 50%;
    max-width: 48%;
    transform: translateY(-50%);
  }
}

@media (max-width: 980px) {
  .tkg {
    height: 55px;
  }
  .header {
    padding: 0 !important;
  }
  .navbtnm {
    clear: both;
    text-align: center;
    position: relative;
    z-index: 21;
  }
  .navbtnm span {
    width: 100%;
    height: 2px;
    transition: all 0.5s;
    margin-top: 0.1rem;
    background: #fff;
    float: right;
  }
  .navbtnm span.line1 {
    margin-top: 0;
  }
  .navbtnm.open .line1 {
    -webkit-transform: rotate(44deg);
    -ms-transform: rotate(44deg);
    transform: rotate(44deg);
    transform-origin: 0%;
    -ms-transform-origin: 0%;
    -webkit-transform-origin: 0%;
    -moz-transform-origin: 0%;
    transition: all 0.5s;
  }
  .navbtnm.open .line2 {
    opacity: 0;
    transition: all 0.5s;
  }
  .navbtnm.open .line3 {
    -webkit-transform: rotate(-44deg);
    -ms-transform: rotate(-44deg);
    transform: rotate(-44deg);
    position: relative;
    top: 0.01rem;
    transform-origin: 0%;
    -ms-transform-origin: 0%;
    -webkit-transform-origin: 0%;
    -moz-transform-origin: 0%;
    transition: all 0.5s;
  }
  .headerm {
    padding: 6px 15px;
    position: relative;
    height: 55px;
    z-index: 23;
  }
  .headerm .logo img {
    width: 1.8rem;
  }
  .headerm .navbtnm {
    width: 30px;
    height: 30px;
    z-index: 1;
    margin-top: 4px;
    text-align: center;
  }
  .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: #333;
    font-size: 0.24rem;
    padding: 0.2rem 0.15rem;
    position: relative;
    display: block;
  }
  .big-nav .scroll li a.v1::after, .big-nav .scroll li a.s1::after {
    display: block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0.25rem;
    text-align: center;
    right: 15px;
    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 a.s1::after {
    right: 0;
  }
  .big-nav .scroll li ul {
    padding: 0 0.15rem 0.15rem 0.2rem;
    display: none;
  }
  .big-nav .scroll li ul li {
    width: 100%;
  }
  .big-nav .scroll li ul li a {
    display: block;
    font-weight: normal;
    padding: 0.17rem 0;
    font-size: 0.22rem;
  }
  .big-nav .scroll li ul li:last-child {
    border-bottom: 0;
  }
  .big-nav .scroll li .v2 li > .v1::after {
    right: 5px;
    content: "\e613";
  }
  .big-nav .scroll li .v2 li.on > .v1::after {
    content: "\e632";
  }
  .big-nav .scroll li .v2 li .sub1 {
    padding-right: 0;
  }
  .big-nav .scroll li.on .v1::after {
    content: "\e632";
  }
  .navShow .headerm {
    position: relative;
  }
  .navShow .headerm::before {
    content: "";
    background: rgba(49, 121, 238, 0.9) url("../img/bg_ft2.png") no-repeat center top;
    background-size: cover;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    filter: blur(1px);
  }
  .navShow .headerm .navbtnm i:before {
    content: "\e6e9";
    color: #333;
  }
  .navShow .big-nav {
    opacity: 1;
    visibility: visible;
    right: 0;
  }
  .footer .ft1 {
    padding: 0.5rem 0 0.1rem 0;
  }
  .footer .ft1 .col1 .tel {
    margin: 0.3rem 0 0.25rem;
  }
  .footer .ft2 {
    padding: 0.2rem 0;
  }
  .footer .ft2 .copyright {
    text-align: center;
  }
  .footer .ft2 .copyright .bn1 {
    margin: 0 0.1rem;
  }
  .footer .ft2 .copyright .bn2 {
    clear: both;
    display: inline-block;
    margin-right: 0.15rem;
  }
  .footer .ft2 .pt {
    display: flex;
    margin-top: 0.1rem;
    width: 100%;
    justify-content: center;
  }
  .index .index-main {
    padding: 2.5rem 0;
  }
  .index .index-main .menus {
    transform: scale(0.65) translateX(12%);
  }
  .index .index-main .menus li:nth-child(1) {
    left: -1.1rem;
  }
  .index .index-main .menus li:nth-child(2) {
    right: -0.6rem;
  }
  .index .index-main .menus li:nth-child(3) {
    left: -2.1rem;
  }
  .index .index-main .menus li:nth-child(4) {
    right: -0.6rem;
    bottom: -1.5rem;
  }
  .index .index-main .menus .sub {
    display: none !important;
  }
  .index .index-main .menus .brand {
    top: -0.45rem;
  }
  .index .index-main .menus .brand img {
    transform: scale(0.52);
  }
  .inner-slide .jt {
    display: none;
  }
  .inner-slide .swiper-pagination {
    bottom: 0.2rem;
  }
  .g-type {
    overflow: hidden;
    margin-bottom: 0.35rem;
    padding-bottom: 0.15rem;
  }
  .g-type .en {
    padding-left: 0;
    font-size: 0.34rem;
  }
  .g-type .cn {
    margin-top: -0.08rem;
  }
  .g-type::after {
    background-position: left -0.8rem bottom;
  }
  .service {
    padding: 0.65rem 0;
  }
  .service .list li .item .fitImg {
    padding-top: 150%;
  }
  .service .list li .item .txt .link .more {
    padding: 0 0.2rem;
    height: 0.4rem;
  }
  .service.service1 .list li:hover .item {
    transform: scale(1);
  }
  .college {
    padding-bottom: 0.6rem;
  }
  .college .yc-box2 li {
    min-height: auto;
  }
  .college .yc-box2 li .item {
    padding: 0.5rem 0.35rem;
    display: flex;
    flex-direction: row-reverse;
  }
  .college .yc-box2 li .item .icon {
    margin-right: 0.25rem;
  }
  .college .yc-box2 li .item .tit {
    flex: 1;
    overflow: hidden;
  }
  .case {
    padding: 0.65rem 0;
  }
  .case .list li .item .fitImg {
    padding-top: 141.37%;
  }
  .case .list li .item .txt .tit {
    margin: 0 0 0.35rem 0;
  }
  .pages {
    padding-top: 0.35rem;
  }
  .pages li {
    margin: 0 0.18rem;
  }
  .pages li a {
    border-radius: 0.08rem;
  }
  .case-main .detail {
    padding: 0.3rem;
  }
  .case-main .detail .news-tit {
    line-height: 1.5;
  }
  .case-main .detail .news-attr {
    margin: 0.25rem 0;
  }
  .case-main .detail .news-attr .dd {
    margin-right: 0.3rem;
  }
  .case-main .detail .news-cont {
    padding-bottom: 0.4rem;
  }
  .case-main .detail .news-sxp {
    padding-top: 0.35rem;
    margin-bottom: 0.15rem;
  }
  .case-main .detail .news-sxp a {
    min-width: 1.15rem;
  }
  .news-main .recommend {
    width: 100%;
    margin: 0.25rem 0 0 0;
  }
  .news-main .recommend li .item .link .more {
    height: 0.4rem;
  }
  .news .news1 .item2 .fitImg2 {
    height: 0;
    padding-top: 64.74%;
  }
  .news .news1 .item2 .item-txt {
    padding: 0.25rem;
    max-width: 100%;
  }
  .news .news1 .item2 .item-txt .tit {
    margin-top: 0.15rem;
  }
  .news .news1 .item2 .link img {
    width: 0.5rem;
  }
  .news .news1 .item {
    margin-top: 0.2rem;
  }
  .about .ab1 {
    padding-bottom: 0.8rem;
  }
  .about .ab1 .jianjie {
    max-width: 100%;
  }
  .about .ab1 .list {
    max-width: 100%;
  }
  .about .ab1 .list ul {
    justify-content: center;
  }
  .about .ab1 .list li {
    width: 50%;
    padding: 0.35rem 0.1rem;
  }
  .about .ab1 .list li:last-child {
    padding: 0.5rem 0.1rem;
    width: 100%;
  }
  .about .ab1 .list li:last-child .item br {
    display: none;
  }
  .about .ab1 .list li:nth-child(2n)::after {
    display: none;
  }
  .about .ab3 .list {
    padding: 0.3rem 0;
  }
  .about .ab3 .list li {
    margin: 0.25rem 0;
  }
  .about .ab3 .message .g-type2 {
    margin: 0.25rem 0;
  }
  .about .ab3 .message .btn button {
    width: 2.5rem;
  }
  .about .ab3 .message .btn button span {
    padding: 0 0.15rem;
  }
}