@media screen and (max-width:768px) {
  header .menu {
    position: fixed;
    left: -100%;
    top: 0;
    width: 80%;
    height: 100vh;
    background: #fff;
    display: block;
    opacity: 0;
    overflow: auto;
    -webkit-transition: all ease .3s;
    -o-transition: all ease .3s;
    -moz-transition: all ease .3s;
    transition: all ease .3s;
    z-index: 50;
    color: #333;
  }

  header.open .menu {
    left: 0;
    opacity: 1;
  }

  header .menu::before {
    content: '';
    width: 20vw;
    display: block;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    position: fixed;
    left: -20vw;
    top: 0;
    z-index: 50;
    -webkit-transition: all ease .3s;
    -o-transition: all ease .3s;
    -moz-transition: all ease .3s;
    transition: all ease .3s;
  }

  header.open .menu::before {
    left: 80%;
  }

  header .link {
    width: 100%;
    margin-left: 0;
  }

  header .link>a {
    display: block;
    border-bottom: 1px solid #ddd;
    line-height: 50px;
  }

  header .link a {
    padding: 0 20px;
  }

  header .link::after {
    display: none;
    width: 52px;
    height: 10px;
    left: 50%;
    top: 100%;
    margin-top: 14px;
    -webkit-transform: translate(-50%, -50%) scale(0);
    -moz-transform: translate(-50%, -50%) scale(0);
    -o-transform: translate(-50%, -50%) scale(0);
    transform: translate(-50%, -50%) scale(0);
  }

  header .link:hover::after,
  header .link.on::after {
    -webkit-transform: translate(-50%, 0) scale(1);
    -moz-transform: translate(-50%, 0) scale(1);
    -o-transform: translate(-50%, 0) scale(1);
    transform: translate(-50%, 0) scale(1);
  }

  header .down {
    min-width: 80px;
    overflow: hidden;
    padding: 0;
  }

  header .link .down {
    left: 50%;
    top: 100%;
    margin-top: 0;
    -webkit-transform: translate(0, 0);
    -moz-transform: translate(0, 0);
    -o-transform: translate(0, 0);
    transform: translate(0, 0);
    min-width: 160px;
    padding: 0;
    border-radius: 0;
    -webkit-box-shadow: none;
    box-shadow: none;
    position: static;
    opacity: 1;
    width: 100%;
    pointer-events: visible;
    border-bottom: 1px solid #ddd;
    display: none;
  }

  header .link .down::before {
    width: 100%;
    height: 40px;
    bottom: 100%;
  }

  header .link .down a {
    padding: 10px 30px;
    text-align: left;
    font-size: 14px;
    color: #666;
  }

  header .link .down a:not(:last-child) {
    border-bottom: none;
  }

  header .link .down-jt {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 0;
    background: url('/img/icon-jia.svg') no-repeat center/15px;
  }


  header .link.on .down-jt {
    background: url('/img/icon-jian.svg') no-repeat center/15px;
  }




  :root {
    --head: 45px;
  }

  svg {
    width: 100%;
    height: 100%;
  }

  .C-btn {
    display: -webkit-inline-flex;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-flex-pack: center;
    -ms-flex-align: center;
  }

  /* -----------------------------------------head,foot-------------------------------------- */
  .head1 {
    width: 100%;
    box-shadow: 0 3.136px 8px 0 rgba(0, 0, 0, 0.06);
    backdrop-filter: none;
  }

  .isback .head1 {
    transform: none;
    opacity: 0;
    pointer-events: none;
  }
  .isback .head1 .menu{
    display: none;
  }

  .head1 .logo {
    width: 110px;
  }

  .head1 .menu {
    gap: 20px;
    height: 100%;
  }

  .head1 .link {
    height: auto;
  }

  .head1 .link>a {
    height: auto;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-align: center;
  }

  footer {
    border-radius: 30px 30px 0 0;
    margin-top: -25px;
    box-shadow: 0 0 5px #cfcfcf;
  }

  .foot1 {
    padding: 32px 0 58px;
  }

  .foot1 .t1 {
    margin-bottom: 30px;
  }

  .foot1 .zuo .item {
    margin-right: 30px;
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: 10px;
  }

  .foot1 .zuo .icon {
    width: 15px;
    margin-right: 5px;
  }

  .foot1 .shares .list {
    gap: 12px;
  }

  .foot1 .shares .item .icon {
    width: 20px;
  }

  .foot1 .shares .item .qr {
    width: 90px;
    left: 50%;
    transform: translate(-50%, 0);
    bottom: 100%;
    margin-bottom: 10px;
    padding: 5px;
    border-radius: 10px;
    box-shadow: 0 0 5px #cfcfcf;
  }

  .foot1 .shares .item .qr img {
    width: 100%;
  }

  .foot2 {
    padding: 8px 0 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.15);
  }

  .foot2 .you {
    gap: 20px;
  }

  /* -----------------------------------------首页-------------------------------------- */
  .home1 {
    height: auto;
  }

  .home1 .main {
    width: 100%;
    height: 100%;
    padding: 22px 0;
  }

  .home1 .main .icon {
    width: 129px;
    margin-bottom: 10px;
  }

  .home1 .bg img{
    min-height: 350px;
    object-fit: cover;
  }

  #splineEffect{
    position: fixed;
    width: 80vw;
    height: 80vw;
    z-index: 1;
  }

  .body-bg {
    border-radius: 30px 30px 0 0;
    box-shadow: 0 0 5px #cfcfcf;
  }

  .home2 {
    padding: 68px 0 65px;
  }

  .C-k1 {
    font-size: 90px;
  }

  .home2 .intr {
    width: 100%;
  }

  .home2 .t3 {
    margin-top: 25px;
    height: 200px;
  }

  .home2 .C-k2 {
    margin-top: -35px;
  }

  .home2 .swiper {
    margin-top: 10px;
  }

  .home2 .swiper-slide {
    width: 158px;
    border-radius: 10px;
  }

  .home2 .C-zs {
    bottom: -40px;
    width: 100%;
  }

  .home3 {
    padding: 0 0 102px 0;
  }

  .home3 .you {
    width: 100%;
    padding: 0 5%;
  }

  .home3 .t3 {
    margin-top: 10px;
    height: 144px;
  }

  .home3 .C-k2 {
    margin-top: 15px;
  }

  .home3 .you .swiper {
    margin-top: 10px;
  }

  .home3 .you .swiper-slide {
    width: 100%;
    border-radius: 10px;
  }

  .home3 .C-zs {
    width: 100%;
  }

  .home3 .zuo {
    flex: 1;
  }

  .home3 .zuo .pic {
    width: 70%;
  }

  .home3 .zuo .swiper {
    height: 198px;
    margin: 0 0 0 10px;
  }

  .home3 .zuo .swiper-slide {
    height: 18px;
  }

  .home4 {
    padding: 38px 5% 162px;
  }

  .home4 .C-k2 {
    margin-top: -40px;
  }

  .home4 .t3 {
    width: 100%;
    margin: 14px auto 0;
  }

  .home4 .list {
    margin-top: 48px;
    gap: 29px;
    grid-template-columns: repeat(2, 1fr);
  }

  .home4 .list .item .bg {
    border-radius: 10px;
    margin-bottom: 8px;
  }

  .home4 .C-zs {
    width: 100%;
  }

  .home5 .title {
    margin-bottom: 44px;
  }

  .home5 .C-k2 {
    margin-top: -40px;
  }

  .home5 .main .box {
    padding: 0 0 103px;
  }

  .home5 .list {
    width: 100%;
    margin: 0 0 44px;
  }

  .home5 .item {
    width: 70vw;
    margin-right: 20px;
    gap: 20px;
    padding: 14px 15px;
    border-radius: 15px;
    border: 2px solid #FFF;
    backdrop-filter: blur(1px);
  }

  .home5 .item .pic {
    width: 100%;
    border-radius: 10px;
  }

  .home5 .intr {
    width: 100%;
    padding: 6px 0 14px;
  }

  .home5 .intr .t2 {
    margin-top: 8px;
    margin-bottom: 10px;
  }

  .home5 .progress {
    width: 61px;
    height: 5px;
  }

  .home5 .progress span {
    min-width: 15%;
    height: 100%;
    border-radius: 10px;
  }
}