@media screen and (max-width:450px) {

  @keyframes rotate1 {

    0%,
    12.5% {
      left: -4.518vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    25%,
    37.5% {
      left: 44.44vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    50%,
    62.5% {
      left: 50%;
      transform: translateX(-50%) scale(1);
      opacity: 1;
      z-index: 99;
    }

    75%,
    87.5% {
      left: 50%;
      transform: translateX(-50%) scale(1);
      opacity: 1;
      z-index: 99;
    }

    100% {
      left: -4.518vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }
  }

  @keyframes rotate2 {

    0%,
    12.5% {
      left: 50%;
      transform: translateX(-50%) scale(1);
      opacity: 1;
      z-index: 99;
    }

    25%,
    37.5% {
      left: -4.518vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    50%,
    62.5% {
      left: 44.44vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    75%,
    87.5% {
      left: 44.44vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    100% {
      left: 50%;
      transform: translateX(-50%) scale(1);
      opacity: 1;
      z-index: 99;
    }
  }

  @keyframes rotate3 {

    0%,
    12.5% {
      left: 44.44vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    25%,
    37.5% {
      left: 50%;
      transform: translateX(-50%) scale(1);
      opacity: 1;
      z-index: 99;
    }

    50%,
    62.5% {
      left: -4.518vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    75%,
    87.5% {
      left: -4.518vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }

    100% {
      left: 44.44vw;
      transform: translateX(0) scale(0.8);
      opacity: 0.6;
      z-index: 1;
    }
  }


  #bw-nav.no-trans {
    background-color: #333
  }

  #bw-nav-menu {
    display: none;
  }





  #product-title,
  #solutions-title,
  #news-title,
  #partners-title,
  #product-box {
    display: none;
  }


  #phone-product-box {
    display: block;
  }


  
  .phone-product-item .product-img {
    width: 100%;
    overflow: hidden;
  }
  
  #data-safe .product-txt,
  #product-content .product-txt,
  .phone-product-item .product-txt {
    width: 100%;
    height: 9vw;
    font-size: 2.96vw;
    height: 9vw;
    line-height: 9vw
  }

  .product-en {
    padding: 0;
  }

  .bg-section {
    padding: 4.4vw 5vw;
    height: 60.5vw;
    flex-wrap: nowrap;
  }


  .solutions-item {
    width: 40vw;
    margin-bottom: 3.88vw;
    border-radius: 0.7vw;
  }

  .solutions-item .sol-txt {
    width: 100%;
    font-size: 4.7vw;
    top: 18.5vw;
  }
  .case-txt {
    width: 100%;
    font-size: 3.5vw;
    top: 18.5vw;
  }
  #go-top {
    display: none;
  }


  .product-en {
    padding: 0 1.3vw;
    font-size: 1.86vw;
    line-height: 1.86vw;
  }

  .navbar-brand img {
    width: 7.22vw;
  }

  .swiper.mySwiper,
  #top {
    width: 100%;
    height: 62.96vw;
    margin-bottom: 6.66vw;
  }

  section.wrap-section,
  #solution-body,
  #case-body,
  #miit-body {
    width: 85.2vw;
    margin: 0 auto 5vw;
    padding: 0;
    position: relative;
  }

  #miit-body>section {
    width: 85.2vw;
    flex-direction: column-reverse;
    margin-bottom: 7.6vw;
  }
  
  #miit-body>section.reverse {
    flex-direction: column;
  }
  .miit-title {
    font-size: 4vw;
    margin-bottom: 2.33vw;
  }
  #miit-body .msg-pic,
  .miit-txt {
    width: 100%;
  }
  .miit-detail {
    font-size: 3vw;
    line-height: 5vw;
    padding: 0 3vw;
  }
  .padding-pic {
    margin-top: 2vw;
    padding: 0 4vw;
  }
  .mgr-top {
    margin-top: 5vw;
  }
  .tilte-cn {
    font-size: 4.5vw;

  }

  .tilte-en {
    font-size: 3.5vw;
    margin-bottom: 2vw;
  }

  .mySwiper img {
    width: 100%;
    height: 100%;
  }

  #bw-carousel {
    position: relative;
    width: 100%;
    height: 31vw;
  }

  #bw-carousel>div {
    width: 45.18vw;
    height: 30.21vw;
    position: absolute;
    border-radius: 0.37vw;
  }

  #bw-carousel>div>img {
    width: 100%;
    height: 100%;
    border-radius: 0.37vw;
  }

  .img-box1 {
    left: -4.518vw;
    transform: translateX(0) scale(0.8);
    opacity: 0.6;
    z-index: 1;
  }

  .img-box2 {
    left: 50%;
    transform: translateX(-50%) scale(1);
    opacity: 1;
    z-index: 99;
  }

  .img-box3 {
    left: 44.44vw;
    transform: translateX(0) scale(0.8);
    opacity: 0.6;
    z-index: 1;
  }
  #data-safe {
    justify-content: space-between;
  }
  .animation-img1 {
    animation: rotate1 24s linear infinite;
  }

  .animation-img2 {
    animation: rotate2 24s linear infinite;
  }

  .animation-img3 {
    animation: rotate3 24s linear infinite;
  }

  #product-box {
    position: relative;
    height: 43.3vw;
  }

  #product-box>div {
    display: inline-block;
    position: absolute;
  }

  #product-col1 {
    left: 0;
  }

  #product-col2 {
    left: 50%;
    transform: translateX(-50%);
  }

  #product-col3 {
    right: 0;
  }

  #solutions-box {
    width: 100%;
    height: 30vw;
  }


  .product-item:hover img {
    transform: scale(1.3);
  }

  .product-img img {
    transition: all 1s;
    width: 100%;
    height: 100%;
  }

  .solutions-item img {
    width: 100%;
  }


  .bg-section {
    width: 100vw;
    height: 60.5vw;
    background: #e9edf4;
    padding: 4.4vw 7.4vw;
    position: relative;
    margin-bottom: 5vw;
  }

  .more-solutions {
    font-size: 1.85vw;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #18207c;
    position: absolute;
    left: 50%;
    bottom: 4.4vw;
    transform: translateX(-50%);
  }

  .page-footer {
    padding-top: 0;
    height: 49vw;
    background: url(../assets/index/footer.png) center center no-repeat;
    background-size: cover;
  }

  .foot-content {
    width: 100%;
    height: 37vw;
  }

  .foot-left {
    width: 100%;
    padding: 4.5vw;
    padding-top: 6vw;
    padding-bottom: 2vw;
    display: flex;
  }

  .foot-right {
    display: none;
  }

  .code-img {
    width: 18.5vw;
    height: 18.5vw;
    margin-right: 4.5vw;
    margin-top: 0;
    padding-top: 6.5vw;
  }
.only-pc {
  display: none;
}
  .icpp {
    font-size: 0.93vw;
    margin-top: 0;
  }

  .page-footer .foot-content .wrap-foot-item {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    margin-bottom: 3vw;
  }

  .wrap-foot-item>div {
    width: 22vw;
    height: 6vw;
    line-height: 6vw;
    font-size: 3vw;
    color: #fff;
    text-align: center;
    background: #1f2183;
    border: 1px solid #ffffff;
  }

  .company-msg {
    flex-grow: 1;
    justify-content: space-evenly;
  }

  .company-name {
    font-size: 4vw;
    line-height: 0.93vw;
  }

  .company-name::after {
    margin-top: 4px;
    margin-bottom: 2px;
  }

  .company-txt>div {
    font-size: 2vw;
  }

  .icon-img {
    width: 3.2vw;
    height: 3.2vw;
    margin-right: 1vw;
  }

  #news-box {
    width: 100%;
    height: 30vw;
    position: static;
    opacity: 1;
    display: flex;
    justify-content: space-between;

  }

  .news-item {
    width: 19.3vw;
    height: 30vw;
    box-shadow: -1px 7px 13px 0px rgba(24, 24, 24, 0.11);
  }

  .news-txt {
    height: 8.3vw;
    background: #f6f6f6;
    padding: 0 1vw;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
  }

  .news-txt>div {
    display: flex;
    justify-content: space-between;
  }

  .news-detail {
    width: 22.4vw;
    font-size: 0.83vw;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }

  .news-time {
    font-size: 0.83vw;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #999999;
    width: 19vw;
  }

  .news-img {
    width: 100%;
    height: 21.7vw;
    overflow: hidden;
  }


  .news-item:hover img {
    transform: scale(1.3);
  }
  #newt-txt {
    width: 75vw;
    font-size: 5.8vw;
    color: #fff;
    position: relative;
    top: 40%;
    left: 25%;
  }
  .newt-en {
    font-size: 4.8vw;
  }
  .news-img img {
    transition: all 1s;
    width: 100%;
    height: 100%;
  }

  .partner-item {
    width: 12vw;
    height: 11vw;
    border: 1px solid #1f2183;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .partner-item img {
    width: 50%;
  }

  #partners-box {
    width: 100%;
    height: 29vw;
    position: static;
    opacity: 1;
  }

  #go-top {
    display: none;
    width: 3.8vw;

    position: fixed;
    right: 1vw;
    bottom: 1vw;
    z-index: 9999;
  }

  #go-top img {
    width: 100%;
  }

  /* bw-nav */
  #bw-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 11.2vw;
    background-color: rgba(100, 112, 137, .5);
    color: #FFF;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #tm-logo,
  #bw-nav-menu,
  #icon-phone-menu {
    height: 100%;
    line-height: 5.556vw;
  }

  #tm-logo {
    width: 16vw;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 2vw;
  }

  #tm-logo img {
    width: 16vw;
  }

  #bw-nav-menu {
    display: flex;
    font-size: 1.3vw;
  }

  #bw-nav-menu div {

    transition: all .6s;
  }

  .bw-nav-item {
    width: 8.2vw;
    text-align: center;
    position: relative;
  }

  .bw-nav-item:hover {
    font-size: 1.58vw;
    background-color: rgba(46, 52, 64, 0.502);
  }

  .bw-nav-child {
    width: 8.2vw;
    background-color: rgba(46, 52, 64, 0.8);
    color: #fff;
    font-size: .85vw;
    position: absolute;
    top: 0;
    opacity: 0;
  }

  .nav-child-itm {
    width: 100%;
    text-align: center;
    height: 2.4vw;
    line-height: 2.4vw;
  }

  #bw-nav .bw-nav-item:hover .bw-nav-child {
    top: 5.556vw;
    opacity: 1;
  }

  #bw-nav .nav-child-itm:hover {
    background-color: rgba(197, 201, 209, 0.8);

  }

  #wrap-bw-nav {
    padding: 0 6vw;
    width: 100%;
    justify-content: space-between;
  }

  #bw-nav-menu {
    display: none;
  }

  #icon-phone-menu {
    display: block;
    font-size: 6vw;
  }

  #wrap-phone-nav {
    width: 100vw;
    height: calc(100vh - 11.2vw);
    background: rgb(51, 51, 51, .4);
    z-index: 99999;
    position: fixed;
    top: 11.2vw;
    left: 0;
    bottom: 0;
    right: 0;
    display: none;
  }
  
  #phone-nav-menu {
    width: 100vw;
    height: 70vw;
    color: #fff;
    background: rgb(51, 51, 51, .9);
    z-index: 1999999;
  }
 
  .phone-nav-item {
    font-size: 4vw;
    height: 10vw;
    line-height: 10vw;
    text-align: center;
  }

  #product-box {
    display: none;
  }

  #phone-product-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  #data-safe .product-item,
  #product-content .product-item,
  .phone-product-item {
    display: inline-block;
    width: 39.6vw;
    height: 35.2vw;
    box-shadow: -1px 7px 13px 0px rgba(24, 24, 24, 0.11);
    margin-bottom: 2.6vw;
  }

  .bg-section {
    padding: 4.4vw 5vw;
    height: 60.5vw;
    flex-wrap: nowrap;
  }

  #go-top {
    display: none;
  }


  .product-cn {
    font-size: 2.96vw;
    height: 9vw;
    line-height: 9vw;
  }

  .product-en {
    padding: 0 1.3vw;
    font-size: 1.86vw;
    line-height: 1.86vw;
  }

  .wrap-section.hsection {
    height: 41.9vw;
  }

  .banner1,
  .banner2,
  .banner3,
  #top {
    background-size: cover;
  }

  #partners-top {
    margin-bottom: 5vw;
  }

  .second-page-title {
    font-size: 5.93vw;
    margin-bottom: 5.93vw;
  }

  #bottom {
    display: none;
  }

  .hero.hero-news {
    display: none;
  }

  #data-safe .product-img,
  #product-content .product-img {
    width: 100%;
    height: 26.04vw;
  }
}