@media screen and (min-width: 769px) {
  .box {
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }
  .box video {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
  }
  .box .Content {
    position: relative;
    z-index: 9;
    padding: 95px 0 0 0;
  }
  .box .Content .Top .Title {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .box .Content .Top .Title .logo {
    height: 54px;
    margin-right: 24px;
  }
  .box .Content .Top .Title .logo img {
    height: 100%;
  }
  .box .Content .Top .Title h1 {
    font-size: 46px;
    line-height: 46px;
    letter-spacing: 1px;
    color: #1f3f99;
  }
  .box .Content .Top a {
    width: 155px;
    height: 48px;
    background-color: #1f3f99;
    box-shadow: 0px 2px 5px 0px rgba(16, 79, 152, 0.4);
    border-radius: 23px;
    border: solid 1px #78b4f8;
    display: block;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 27px auto 0;
    font-size: 18px;
    line-height: 18px;
    letter-spacing: 0px;
    color: #ffffff;
  }
  .box .Content .Top a img {
    margin-left: 3px;
  }
  .box .Content .Top a:hover {
    filter: brightness(1.1);
  }
  .box .Content .Buttons {
    position: absolute;
    display: flex;
    align-items: center;
    top: 26px;
    right: 23px;
  }
  .box .Content .Buttons a {
    width: 70px;
    height: 41px;
    background-color: #1f3f99;
    box-shadow: 0px 2px 5px 0px rgba(16, 79, 152, 0.4);
    border-radius: 20px;
    border: solid 1px #7aadf9;
    margin-left: 14px;
    font-size: 14px;
    line-height: 41px;
    letter-spacing: 0px;
    color: #f7f9fa;
    text-align: center;
  }
  .box .Content .Buttons a:hover {
    text-decoration: underline;
  }
  .box .Content .Buttons a:nth-child(1) {
    background-color: #f7f9fa;
    color: #006adb;
  }
  .box .Content .Swiper {
    width: 1251px;
    margin: 54px auto 0;
    padding: 103px 0 0;
    display: flex;
    justify-content: center;
    overflow: hidden;
  }
  .box .Content .Swiper .swiper-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-left: -94px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide {
    width: 204px;
    height: 289px;
    background: url(../img/Welcome/bg.png) center no-repeat;
    background-size: 100% 100%;
    margin: 0 15px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a {
    width: 100%;
    height: 100%;
    padding: 36px 0 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text h2 {
    font-size: 19px;
    line-height: 19px;
    color: #0053d1;
    text-align: center;
    margin-bottom: 5px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text p {
    max-width: 82%;
    min-height: 36px;
    font-size: 14px;
    line-height: 18px;
    letter-spacing: 0px;
    color: #6ea2ef;
    text-align: center;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img {
    flex: 1;
    min-height: 0;
    width: 100%;
    position: relative;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img .imgBg {
    width: auto;
    height: 115%;
    position: absolute;
    top: -5px;
    left: 55%;
    transform: translate(-50%, 0);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img .img {
    width: 50%;
    height: auto;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a button {
    width: 85px;
    height: 27px;
    background-color: #2c74f4;
    border-radius: 9px;
    border: none;
    outline: none;
    font-size: 14px;
    line-height: 27px;
    color: #ffffff;
    margin-top: 25px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next {
    width: 228px;
    height: 323px;
    margin-top: -59px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a {
    padding: 38px 0 25px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a .text h2,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a .text h2 {
    font-size: 22px;
    line-height: 22px;
    margin-bottom: 10px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a .text p,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a .text p {
    max-width: 95%;
    min-height: 40px;
    font-size: 15px;
    line-height: 20px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a .Img .imgBg,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a .Img .imgBg {
    top: -5px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a .Img .img,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a .Img .img {
    width: 52%;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev a button,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next a button {
    width: 95px;
    height: 30px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active {
    width: 247px;
    height: 351px;
    margin-top: -103px;
    background: url(../img/Welcome/bg-Active.png) center no-repeat;
    background-size: 100% 100%;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a {
    padding: 44px 0 26px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text {
    margin-bottom: 10px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text h2 {
    font-size: 24px;
    line-height: 24px;
    color: #fff;
    margin-bottom: 10px;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text p {
    max-width: 90%;
    min-height: 40px;
    font-size: 16px;
    line-height: 20px;
    color: #fff;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img .imgBg {
    display: none;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img .img {
    width: 50%;
    height: auto;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img::after {
    content: '';
    width: 82%;
    height: 100%;
    display: block;
    background: url(../img/Welcome/img-bg2.png) center no-repeat;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a button {
    width: 104px;
    height: 33px;
    background-color: #fff;
    font-size: 16px;
    line-height: 33px;
    color: #254cb9;
    margin-top: 15px;
  }
  .box .Content .AI {
    position: fixed;
    top: 292px;
    right: 38px;
  }
  .box .Content .AI .text {
    position: absolute;
    top: -44px;
    left: -206px;
    width: 248px;
    height: 110px;
    background: url(../img/Welcome/AI-bg.png) center no-repeat;
    background-size: 100% 100%;
    padding: 18px 28px 24px 18px;
  }
  .box .Content .AI .text a {
    width: 100%;
    height: 100%;
    display: block;
  }
  .box .Content .AI .text a h2 {
    display: flex;
    align-items: center;
    font-family: DFPYuanW7-GB;
    font-size: 16px;
    font-weight: bold;
    line-height: 16px;
    letter-spacing: 1px;
    color: #0168ec;
  }
  .box .Content .AI .text a h2 img {
    margin-right: 5px;
  }
  .box .Content .AI .text a p {
    width: 100%;
    font-size: 14px;
    line-height: 18px;
    color: #2b2a2a;
    margin-top: 10px;
  }
}
@media screen and (max-width: 769px) {
  .box {
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }
  .box video {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
  }
  .box .Content {
    position: relative;
    z-index: 9;
    padding: 16vw 0 0 0;
  }
  .box .Content .Top .Title {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .box .Content .Top .Title .logo {
    height: 10.66666667vw;
    margin-bottom: 1.33333333vw;
  }
  .box .Content .Top .Title .logo img {
    height: 100%;
  }
  .box .Content .Top .Title h1 {
    max-width: 90%;
    font-size: 7.46666667vw;
    line-height: 8.53333333vw;
    letter-spacing: 0.26666667vw;
    color: #1f3f99;
    text-align: center;
  }
  .box .Content .Top a {
    width: 26.66666667vw;
    height: 9.33333333vw;
    background-color: #1f3f99;
    box-shadow: 0vw 0.53333333vw 1.33333333vw 0vw rgba(16, 79, 152, 0.4);
    border-radius: 6.13333333vw;
    border: solid 0.26666667vw #78b4f8;
    display: block;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2.66666667vw auto 0;
    font-size: 3.73333333vw;
    line-height: 3.73333333vw;
    letter-spacing: 0vw;
    color: #ffffff;
  }
  .box .Content .Top a img {
    margin-left: 0.8vw;
    height: 2.66666667vw;
  }
  .box .Content .Top a:hover {
    filter: brightness(1.1);
  }
  .box .Content .Buttons {
    position: absolute;
    display: flex;
    align-items: center;
    top: 2.66666667vw;
    right: 4vw;
  }
  .box .Content .Buttons a {
    width: 14.66666667vw;
    height: 8.53333333vw;
    background-color: #1f3f99;
    box-shadow: 0vw 0.53333333vw 1.33333333vw 0vw rgba(16, 79, 152, 0.4);
    border-radius: 5.33333333vw;
    border: solid 0.26666667vw #7aadf9;
    margin-left: 2.66666667vw;
    font-size: 3.46666667vw;
    line-height: 8.53333333vw;
    letter-spacing: 0vw;
    color: #f7f9fa;
    text-align: center;
  }
  .box .Content .Buttons a:hover {
    text-decoration: underline;
  }
  .box .Content .Buttons a:nth-child(1) {
    background-color: #f7f9fa;
    color: #006adb;
  }
  .box .Content .Swiper {
    width: 100%;
    margin: 9.33333333vw auto 0;
    padding: 27.46666667vw 0 0;
    display: flex;
    justify-content: center;
    overflow: hidden;
  }
  .box .Content .Swiper .swiper-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-left: 0vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide {
    width: 57.33333333vw;
    height: 81.6vw;
    background: url(../img/Welcome/bg.png) center no-repeat;
    background-size: 100% 100%;
    margin: 0 2.66666667vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a {
    width: 100%;
    height: 100%;
    padding: 9.6vw 0 5.86666667vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text h2 {
    font-size: 5.06666667vw;
    line-height: 5.06666667vw;
    color: #0053d1;
    text-align: center;
    margin-bottom: 1.33333333vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .text p {
    max-width: 82%;
    min-height: 9.6vw;
    font-size: 3.73333333vw;
    line-height: 4.8vw;
    letter-spacing: 0vw;
    color: #6ea2ef;
    text-align: center;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img {
    flex: 1;
    min-height: 0;
    width: 100%;
    position: relative;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img .imgBg {
    width: auto;
    height: 115%;
    position: absolute;
    top: -1.33333333vw;
    left: 55%;
    transform: translate(-50%, 0);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a .Img .img {
    width: 50%;
    height: auto;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide a button {
    width: 22.66666667vw;
    height: 7.2vw;
    background-color: #2c74f4;
    border-radius: 2.4vw;
    border: none;
    outline: none;
    font-size: 3.73333333vw;
    line-height: 7.2vw;
    color: #ffffff;
    margin-top: 6.66666667vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-prev,
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-next {
    width: 57.33333333vw;
    height: 81.6vw;
    margin-top: -15.73333333vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active {
    width: 57.33333333vw;
    height: 81.6vw;
    margin-top: -27.46666667vw;
    background: url(../img/Welcome/bg-Active.png) center no-repeat;
    background-size: 100% 100%;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a {
    padding: 6.66666667vw 0 4vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text {
    margin-bottom: 2.66666667vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text h2 {
    font-size: 5.33333333vw;
    line-height: 5.33333333vw;
    color: #fff;
    margin-bottom: 2.66666667vw;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .text p {
    max-width: 90%;
    min-height: 10.66666667vw;
    font-size: 3.73333333vw;
    line-height: 4.8vw;
    color: #fff;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img .imgBg {
    display: none;
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img .img {
    width: 50%;
    height: auto;
    margin: 0 auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a .Img::after {
    content: '';
    width: 100%;
    height: 100%;
    display: block;
    background: url(../img/Welcome/img-bg2.png) center no-repeat;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  .box .Content .Swiper .swiper-wrapper .swiper-slide.swiper-slide-active a button {
    width: 24vw;
    height: 7.46666667vw;
    background-color: #fff;
    font-size: 3.73333333vw;
    line-height: 7.46666667vw;
    color: #254cb9;
    margin-top: 4vw;
  }
  .box .Content .AI {
    display: none;
  }
}