@media screen and (max-width:768px) {
  .head1 .menu {
    position: fixed;
    left: 0;
    top: -120vh;
    width: 100%;
    height: calc(100vh - var(--head));
    background: #fff;
    display: block;
    opacity: 0;
    overflow: auto;
    transition: all ease .3s;
    z-index: 50;
    color: #333;
  }

  header.open .menu {
    top: var(--head);
    opacity: 1;
  }

  .head1 .link {
    width: 100%;
    margin-left: 0;
  }

  .head1 .link>a {
    display: block;
    border-bottom: 1px solid #ddd;
    line-height: 50px;
    color: #333;
  }

  .head1 .link a {
    padding: 0 20px;
  }

  .head1 .link::after {
    display: none;
    width: 52px;
    height: 10px;
    left: 50%;
    top: 100%;
    margin-top: 14px;
    transform: translate(-50%, -50%) scale(0);
  }

  .head1 .link:hover::after,
  .head1 .link.on::after {
    transform: translate(-50%, 0) scale(1);
  }

  .head1 .down {
    min-width: 80px;
    overflow: hidden;
    padding: 0;
  }

  .head1 .link .down {
    left: 50%;
    top: 100%;
    margin-top: 0;
    transform: translate(0, 0);
    min-width: 160px;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    position: static;
    opacity: 1;
    width: 100%;
    pointer-events: visible;
    border-bottom: 1px solid #ddd;
    display: none;
  }

  .head1 .link .down::before {
    width: 100%;
    height: 40px;
    bottom: 100%;
  }

  .head1 .link .down a {
    padding: 10px 20px;
    text-align: left;
    font-size: 14px;
    color: #666;
  }

  .head1 .link .down a:not(:last-child) {
    border-bottom: none;
  }

  .head1 .link .down-jt {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 0;
    background: url('/img/icon-jia.svg') no-repeat center/15px;
  }

  .head1 .link.on .down-jt {
    background: url('/img/icon-jian.svg') no-repeat center/15px;
  }

  :root {
    --head: 60px;
  }

  .head1 {
    top: 0;
    width: 100%;
    padding: 0 20px;
    height: 60px;
  }

  .isback .head1 {
    transform: translateY(-160%);
  }
  .scroll .head1{
    height: 60px;
  }
  .scroll .head1 .logo{
    width: 120px;
  }

  .head1 .logo {
    left: 50%;
    top: 50%;
    width: 120px;
    transform: translate(-50%, 0);
    margin-top: -8px;
  }

  .head1 .navbar-toggle {
    width: 28px;
    height: 28px;
    padding: 4px 0;
  }

  .head1 .navbar-toggle span {
    width: 28px;
    height: 2px;
    margin: 4px 0;
  }

  .C-link {
    display: inline-flex;
    flex-direction: column;
    padding: 0;
  }

  .C-tag {
    display: inline-flex;
    flex-direction: column;
    padding: 8px;
  }

  .C-tag i {
    width: 100%;
    height: 2px;
    margin-top: 4px;
  }

  .sideMenu {
    width: 100%;
    height: 100%;
  }

  .sideMenu-mask {
    width: 100%;
    height: 100%;
  }

  .sideMenu-panel {
    width: 80%;
    max-width: 300px;
    height: 100%;
    padding: 60px 24px 40px;
    transform: translateX(-100%);
  }

  .sideMenu-close {
    right: 20px;
    top: 20px;
    width: 24px;
    height: 24px;
  }

  .sideMenu-close:before,
  .sideMenu-close:after {
    top: 11px;
    width: 100%;
    height: 2px;
  }

  .sideMenu-list .link {
    margin-bottom: 20px;
  }

  .sideMenu-list .sub {
    margin-top: 12px;
    padding-left: 12px;
  }

  .sideMenu-list .sub li {
    margin-bottom: 10px;
  }

  .C-wrap {
    width: calc(100% - 40px);
  }

  .pageLoading {
    width: 100%;
    height: 100%;
  }

  .pageLoading .logo {
    width: 160px;
  }

  .pageLoading .bar {
    width: 180px;
    height: 2px;
    margin: 24px auto 0;
    border-radius: 99px;
  }

  .pageLoading .fill {
    height: 100%;
    border-radius: 99px;
  }

  .pageLoading .num {
    margin-top: 12px;
    letter-spacing: 1px;
  }

  .C-video {
    width: 100%;
    height: 50vh;
  }

  .C-video .bg {
    width: 100%;
    height: 100%;
  }

  .C-video .bg video {
    width: 100%;
    height: 100%;
  }

  .C-video .intr {
    left: 20px;
    right: 20px;
    bottom: 24px;
    width: auto;
  }

  .C-video .intr .k1 {
    font-size: 28px;
  }

  .C-video .intr .t2 {
    margin-top: 8px;
  }

  .home1 {
    width: 100%;
  }

  .home1 .mask {
    width: 100%;
    height: 120px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0) 100%);
  }

  .home1 .k1 {
    left: 50%;
    bottom: 48px;
    width: calc(100% - 40px);
    font-size: 28px;
    transform: translateX(-50%);
  }

  .home1 .swiper-pagination {
    bottom: 16px;
  }

  .home2 {
    padding: 60px 0 50px;
  }

  .home2 .k1 {
    margin-bottom: 20px;
    font-size: 28px;
  }

  .home2 .list {
    flex-wrap: wrap;
    gap: 12px;
  }

  .home2 .item {
    width: calc(50% - 6px);
  }

  .home2 .item .bg {
    width: 100%;
    height: 180px;
  }

  .home2 .item .t1 {
    margin-top: 8px;
  }

  .home4 {
    padding: 50px 0 40px;
  }

  .home4 .swiper {
    margin-left: 20px;
  }

  .home4 .swiper-slide {
    width: 85%;
    height: 220px;
  }

  .home4 .item {
    width: 100%;
    height: 100%;
  }

  .home4 .item .bg {
    width: 100%;
    height: 100%;
  }

  .home4 .item .info {
    bottom: 16px;
    width: 100%;
    padding: 0 16px;
  }

  .home4 .progress {
    width: calc(100% - 40px);
    height: 2px;
    margin: 28px auto 0;
  }

  .home4 .progress .bar {
    height: 100%;
  }

  .home6 {
    height: auto;
    display: flex;
    flex-direction: column;
    padding: 40px 0;
    overflow: hidden;
  }

  .home6 .zuo {
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
    order: 2;
    padding: 0 20px;
    transform: none;
  }

  .home6 .zuo .swiper-slide {
    width: 240px;
  }

  .home6 .zuo .swiper-slide.is-active {
    opacity: 1;
    transition: none;
  }

  .home6 .zuo .bg {
    width: 100%;
    height: 160px;
  }

  .home6 .zuo .t1 {
    margin-top: 10px;
  }

  .home6 .zuo .t2 {
    margin-top: 6px;
  }

  .home6 .you {
    position: relative;
    top: 0;
    right: auto;
    width: 100%;
    height: 240px;
    order: 1;
    margin-bottom: 24px;
    transform: none;
  }

  .home6 .you .content {
    width: 100%;
    height: 100%;
    clip-path: inset(0 100% 0 0);
  }

  .home6 .you .content .bg {
    width: 100%;
    height: 100%;
  }

  .home6 .you .content .info {
    bottom: 16px;
    width: 100%;
    padding: 0 16px;
  }

  .home8 {
    padding: 50px 20px 60px;
  }

  .home8 .cols {
    flex-direction: column;
    gap: 0;
  }

  .home8 .col {
    width: 100%;
  }

  .home8 .col.you {
    padding-top: 0;
  }

  .home8 .item {
    margin-bottom: 40px;
  }

  .home8 .item .bg {
    width: 100%;
    height: 240px;
  }

  .home8 .item .intr {
    margin-top: 16px;
  }

  .home8 .col.you .item .intr {
    margin-top: 0;
    margin-bottom: 16px;
  }

  .home8 .item .t2 {
    margin-top: 8px;
  }

  .home10 {
    padding: 40px 0 0 20px;
  }

  .home10 .main {
    padding: 0 0 100px;
  }

  .home10 .track {
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }

  .home10 .item {
    flex-shrink: 0;
    width: 200px;
    height: 330px;
  }

  .home10 .item .bg {
    width: 200px;
    height: 260px;
  }

  .home10 .item .t1 {
    position: absolute;
    left: 0;
    top: 272px;
    width: 100%;
    font-size: 14px;
  }

  footer {
    padding: 50px 20px 40px;
  }

  .foot1 .inner {
    flex-direction: column;
    gap: 32px;
  }

  .foot1 .nav-list {
    gap: 16px;
    margin-bottom: 0;
  }

  .foot3 .shares {
    gap: 14px;
    margin-top: 28px;
  }

  .foot3 .shares .icon {
    width: 22px;
    height: 22px;
  }

  .foot1 .you {
    width: 100%;
  }

  .foot1 .you p {
    margin-bottom: 16px;
  }

  .foot2 {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 28px 0 0;
  }

  .foot2 a {
    margin-left: 20px;
  }

  .pj1 {
    height: auto;
    padding: 80px 0 40px;
  }

  .pj1 .inner {
    position: relative;
    left: 0;
    top: 0;
    width: calc(100% - 40px);
    height: 420px;
    margin: 0 auto;
  }

  .pj1 .bg {
    width: 100%;
    height: 100%;
  }

  .pj1 .bg video {
    width: 100%;
    height: 100%;
  }

  .pj1 .mask {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 38.49%, rgba(0, 0, 0, 0.6) 98.18%);
  }

  .pj1 .intr {
    left: 16px;
    right: 16px;
    bottom: 20px;
  }

  .pj1 .intr .t2 {
    margin-top: 4px;
  }

  .pj2 {
    height: 460px;
  }

  .pj2 .bg {
    width: 100%;
    height: 100%;
  }

  .pj2 .bg img {
    width: 100%;
    height: 100%;
  }

  .pj2 .mask {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 38.49%, rgba(0, 0, 0, 0.2) 98.18%);
  }

  .pj2 .intr {
    left: 20px;
    right: 20px;
    bottom: 28px;
    width: auto;
  }

  .pj2 .intr .t2 {
    margin-top: 8px;
    max-width: 100%;
  }

  .pj3 {
    padding: 40px 20px;
  }

  .pj3 .pics {
    flex-direction: column;
    gap: 12px;
  }

  .pj3 .pics .item {
    height: 220px;
  }

  .pj3 .pics .item:first-child {
    width: 100%;
  }

  .pj3 .pics .item:last-child {
    width: 100%;
  }

  .pj3 .pics .item img {
    width: 100%;
    height: 100%;
  }

  .pj3 .info {
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
    margin-left: 0;
  }

  .pj3 .info .k1 {
    width: 100%;
    flex-shrink: 0;
    text-align: left;
  }

  .pj3 .info .t2 {
    width: 100%;
  }

  .pj4 {
    flex-direction: column;
    gap: 24px;
    align-items: stretch;
    padding: 0 20px;
  }

  .pj4 .bg {
    width: 100%;
    height: 335px;
    flex-shrink: 0;
  }

  .pj4 .bg img {
    width: 100%;
    height: 100%;
  }

  .pj4 .intr {
    width: 100%;
  }

  .pj4 .intr .t2 {
    margin-top: 12px;
  }

  .pj5 {
    padding: 40px 20px;
  }

  .pj5 .main {
    width: 100%;
  }

  .pj5 .bg {
    width: 100%;
  }

  .pj5 .bg img {
    width: 100%;
  }

  .pj5 .intr {
    margin-top: 20px;
  }

  .pj5 .intr .t2 {
    margin-top: 12px;
  }
}