/* us 首页 */
body {
  background-color: #f7f7f7;
}



:root {
  --bold: 600;
  --semiBold: 600;
  --medium: 500;
  --regular: 400;
}

.us-index-main {
  background-color: #fff;
  font-weight: var(--regular);
}

.model-youtube-intrinsic-aspect-ratio-container {
  width: 100%;
  height: 0;
  padding: 0;
  padding-bottom: 56%;
  position: relative;
}

/* 16:9等比例盒子2 */
.model-youtube-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.model-youtube-tips {
  font-size: 14px;
  font-weight: 400;
  color: #000000;
  line-height: 20px;
}

.youtube-iframe {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}


/* pc 端 */
@media screen and (min-width: 1000.1px) {

  body {
    min-width: 1200px;
  }

  .TITLE-LARGE {
    color: #222;
    text-align: center;
    font-family: Poppins;
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 120%;
    /* 57.6px */
    letter-spacing: 0.747px;
  }

  h1 {
    margin-bottom: 0px;
  }



  /* 单独title，没有subtitle的情况 */
  .TITLE-SINGLE {
    text-align: center;
    font-family: Poppins;
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 120%;
    /* 57.6px */
  }

  .SUBTITLE {
    max-width: 1200px;
    height: 64px;
    font-size: 20px;
    text-align: center;
    color: #000000;
    line-height: 32px;
  }

  .SUBTILE-MARGIN {
    margin-top: 20px;
  }

  .COLUMN {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .BOTTOM-BTN {
    display: flex;
    flex-direction: row;
    margin-top: 64px;
  }



  .BUTTON {
    min-width: 266px;
    height: 60px;
    border-radius: 31px;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    font-weight: var(--semiBold);
    text-align: center;
    color: #ffffff;
    line-height: 44px;
  }



  /* top */
  .us-index-main .top {
    width: 100%;
    height: 700px;
    position: relative;
    overflow: hidden;
    background-color: #000;
  }

  .us-index-main .top .top_banner_content {
    width: 100%;
    height: 100%;
  }

  /* 蒙层 */
  .us-index-main .top .mask {
    width: 100%;
    height: 100%;
    background-color: transparent;
    position: relative;
    z-index: 10;
  }

  /* 内容 */
  .us-index-main .top .top-content {
    width: 100%;
    height: 100%;
    color: #fff;
    flex-direction: column;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: 60px;

  }

  .top-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
  }

  .ar .top-video {
    left: 0px;
    top: 0px;
  }

  .top .top-banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .swiper-m {
    display: none;
  }

  .swiper-pc {
    display: block;
  }

  .top .swiper-button-next,
  .top .swiper-button-prev {
    width: 70px;
    height: 70px;
    background: rgba(0, 0, 0, 0.8);
    top: 40%;
  }

  .swiper-button-next:after,
  .swiper-button-prev:after {
    font-size: 30px;
    color: #fff;
  }

  .top .swiper-button-prev {
    left: 0px;
    margin-left: -10px;
  }

  .ar .top .swiper-button-prev {
    margin-right: -10px;
    right: 0px;
    left: auto;
  }

  .top .swiper-button-next {
    margin-right: -10px;
    right: 0px;
  }

  .ar .top .swiper-button-next {
    margin-left: -10px;
    right: auto;
    left: 0px;
  }


  .us-index-main .top .top-content .subtitle {
    font-size: 64px;
    line-height: 95px;
  }

  .top-mobile-video-container {
    display: none;
  }

  .us-index-main .top .top-content .bannter-desc {
    color: #222;
    text-align: center;
    font-family: Poppins;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 36px;
    margin-top: 15px;
    /* 163.636% */
  }

  .us-index-main .top .top-content .bannter-desc span {
    margin-right: 32px;
  }

  .us-index-main .top .top-content .bannter-desc span:last-child {
    margin-right: 0px;
  }

  .us-index-main .top .top-content .btn-container {
    margin-top: 24px;
    display: flex;
    flex-direction: row;
  }

  .us-index-main .top .top-content .btn-container .arrow {
    width: 18px;
    height: 18px;
  }

  .us-index-main .top .top-content .btn-container .btn-left {
    color: #222;
    border-radius: 30px;
    border: 1px solid #222;
    display: flex;
    padding: 10px 30px;
    justify-content: center;
    align-items: center;
    gap: 4px;
    text-align: center;
    font-family: Poppins;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    /* 163.636% */
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.6s ease;
  }



  .us-index-main .top .top-content .btn-container .btn-right {
    border-radius: 30px;
    background: #222;
    margin-left: 42px;
    display: flex;
    padding: 10px 30px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    color: #fff;
    text-align: center;
    font-family: Poppins;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    /* 163.636% */
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.6s ease;
  }

  .us-index-main .top .top-content .btn-container .btn-right:hover,
  .us-index-main .top .top-content .btn-container .btn-left:hover {
    transform: scale(1.1);
  }


  /* partner */
  .partner-bander .partner-bander {
    height: 640px;
  }

  .partner-bander .bander-container {
    height: 640px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .partner-bander .num-container {
    display: flex;
    gap: 33px;
  }

  .partner-bander .num-container .num-container-list {
    width: 378px;
    height: 174px;
    background: rgba(255, 255, 255, 0.30);
    border-radius: 24px;
    box-shadow: 0px 6px 10px 0px rgba(0, 0, 0, 0.11);
    backdrop-filter: blur(15px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
  }

  .partner-bander .num-container .num-container-list .list-num {
    font-size: 60px;
    font-family: Poppins, Poppins-SemiBold;
    font-weight: normal;
    text-align: center;
    color: #ffffff;
    line-height: 90px;
  }

  .partner-bander .num-container .num-container-list .list-unit {
    font-size: 28px;
    font-family: Poppins, Poppins-SemiBold;
    font-weight: normal;
    text-align: center;
    color: #ffffff;
    line-height: 42px;
  }

  .partner-bander .num-container .num-container-list .list-type {
    font-size: 20px;
    font-family: Poppins, Poppins-Regular;
    font-weight: 400;
    text-align: center;
    color: #ffffff;
    line-height: 32px;
  }

  .partner-bander .bander-container .text-container-desc {
    color: #fff;
    text-align: center;
    font-size: 64px;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    letter-spacing: 0.747px;
  }

  .partner-bander .bander-container .text-container-detail {
    color: #fff;
    text-align: center;

    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 36px;
    margin-bottom: 32px;
  }

  .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background: #fff;
  }

  .story-btns {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-top: 60px;

  }

  .story-btn-item {
    padding: 10px 30px;
    border-radius: 30px;
    transition: transform 0.6s ease;
    font-size: 16px;
    text-transform: uppercase;
    cursor: pointer;
    font-weight: 600;
  }

  .story-btn-item:hover {
    transform: scale(1.1);
  }

  .story-btn-item:nth-child(1) {
    background: #fff;
    border: 1px solid #37F;
    color: #37F;
    margin-right: 60px;
  }

  .story-btn-item:nth-child(2) {
    color: #fff;
    background: #37F; 
  }

  .product {
    padding: 120px 0px;
    background: #ffffff;
  }

  .product-list {
    margin-top: 80px;
  }

  .product-item {
    display: flex;
    flex-direction: column;
    color: #ffffff;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 320px;
    cursor: pointer;
    margin-left: 10px;
    margin-right: 10px;
    padding-bottom: 42px;
  }

  .product-item:hover {
    background: #F6F8F9;
  }

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

  .product-item-icon {
    display: none;
  }

  .product-item-title {
    color: #222;
    text-align: center;
    font-family: Poppins;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
  }

  .product-item-desc {
    color: rgba(34, 34, 34, 0.6);
    text-align: center;
    font-family: Poppins;
    font-size: 14px;
    font-style: normal;
    line-height: normal;
    margin-top: 3px;
  }


  /* case */
  .case {
    padding-top: 120px;
    padding-bottom: 120px;
    background: #ffffff;
  }
  

  .case-content {
    margin-top: 80px;
  }

  .case-list-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 480px !important;
    cursor: pointer;
    margin-left: 15px;
    margin-right: 15px;
  }

  .case-list-item:last-child {
    margin-right: 0;
  }


  .case-list-item-img {
    width: 100%;
    height: auto;
  }

  .case-list-item-title {
    color: #000;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: capitalize;
    margin-top: 24px;
    text-align: center;
  }

  /* contact */
  .contact {
    width: 100%;
    height: 537px;
    background-size: cover;
  }

  .contact-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .contact-title {
    font-size: 60px;
    font-weight: var(--semiBold);
    text-align: center;
    color: #ffffff;
    line-height: 90px;
    max-width: 1200px;
  }

  .contact-btn {
    margin-top: 71px;
  }

  /* provider */
  .provider {
    padding: 120px 0px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
  }

  .provider-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 80px;
    max-width: 1200px;
  }

  .provider-list-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    transition: transform 0.6s ease;
  }

  .provider-list-item:hover {
    transform: translateY(-10px);
  }

  .provider-item-img {
    width: 90%;
    object-fit: cover;
  }

  .provider-item-title {
    font-size: 22px;
    font-weight: 400;
    text-align: center;
    color: #000000;
    line-height: 33px;
  }

  /* partners */
  .partners {
    padding-top: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #fff;
  }

  .partners-box {
    /* padding: 0 50px; */
    /* max-width: 1280px;
    width: 100vw;
    min-width: 320px; */
  }

  .partners-list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    margin-top: 100px;
  }

  .partners-list-item {
    flex: 25%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    margin-bottom: 60px;
  }

  .partners-item-img {
    transition: transform 0.6s ease;
  }

  .partners-item-img:hover {
    transform: translateY(-10px);
  }

  .partners-item-img {
    width: 246px;
    height: 70px;
  }

  .solutions {
    padding: 120px 0px;
  }

  .solutions-title {
    color: #000;
    text-align: center;
    font-size: 48px;
    font-style: normal;
    font-weight: 600;
    line-height: 100%;
    /* 48px */
    text-transform: capitalize;
    margin-bottom: 60px;
  }

  .solutions-list {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .solutions-item {
    position: relative;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.6s ease;
  }

  .solutions-item:hover {
    transform: scale(1.02);
    z-index: 10;
  }

  .solutions-item .solutions-list-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
  }


  .solutions-list-item-text {
    position: absolute;
    bottom: 24px;
    color: #fff;
    display: flex;
    flex-direction: row;
  }

  .solutions-item .solutions-list-item-icon {
    width: 24px;
    min-width: 24px;
    height: 79px;
    margin-right: 12px;
    margin-bottom: 0px;
  }

  .solutions-item:nth-child(1) .solutions-list-item-icon {
    background: #EC4C4E;
  }

  .solutions-item:nth-child(2) .solutions-list-item-icon {
    background: #37F;
  }

  .solutions-item:nth-child(3) .solutions-list-item-icon {
    background: #FEB;
  }

  .solutions-item:nth-child(4) .solutions-list-item-icon {
    background: #F95A16;
  }

  .solutions-item .solution-list-item-content {
    display: flex;
    flex-direction: column;
  }


  .solutions-list-item-text .solutions-list-item-title {
    color: #FFF;
    font-size: 32px;
    font-style: normal;
    font-weight: 600;
    line-height: 100%;
    /* 32px */
    text-transform: capitalize;
    margin: 0;
    padding: 0;
    margin-bottom: 4px;
  }

  .solutions-list-item-text .solutions-list-item-desc {
    color: #FFF;
    font-family: Poppins;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    margin: 0;
    padding: 0;
    /* 21px */
  }



  .home-btn {
    display: flex;
    gap: 16px;
    padding:120px 0px;
  }

  .home-btn-item {
    flex: 1;
    width: 50%;
    cursor: pointer;
  }

  .home-btn-item0 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
  }

  .home-btn-item1 {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    color: #222;
  }

  .home-btn-item .home-btn-item-img {
    width: 100%;
    object-fit: cover;
  }

  .home-btn-item .home-btn-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: absolute;
  }

  .home-btn-item1 .home-btn-content {
    margin-left: 45px;
    align-items: flex-start;
    margin-bottom: 45px;
  }

  .home-btn-item .home-btn-item-title {
    text-align: left;
    font-size: 36px;
    font-style: normal;
    font-weight: 600;
    line-height: 100%;
    /* 36px */
    text-transform: capitalize;
    margin-bottom: 24px;
  }

  .home-btn-item1 .home-btn-item-title {
    color: #222;
    font-size: 38px;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
  }

  .home-btn-item1 .home-btn-item-desc {
    color: #222;
    font-size: 20px;
    font-style: normal;
    line-height: 150%;
  }

  .home-btn-item .home-btn-item-subtitle {
    text-align: center;
    font-family: Poppins;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    margin-bottom: 24px;
  }

  .home-btn-item .home-btn-item-btn {
    display: flex;
    padding: 10px 32px;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    border-radius: 30px;
    background: #37F;
    color: #fff;
    text-align: center;
    font-family: Poppins;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    text-transform: uppercase;
    cursor: pointer;
    min-width: 160px;
    transition: transform 0.6s ease;

  }

  .home-btn-item .home-btn-item-btn:hover {
    transform: scale(1.1);
  }

}

@media screen and (min-width: 1600px) {
  .us-index-main .top {
    width: 100%;
    height: 800px;
    position: relative;
    overflow: hidden;
    background-color: #000;
  }
  .us-index-main .top .top-content .bannter-desc {
    color: #222;
    text-align: center;
    font-family: Poppins;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 36px;
    margin-top: 24px;
    /* 163.636% */
  }
  .us-index-main .top .top-content .btn-container {
    margin-top: 32px;
    display: flex;
    flex-direction: row;
  }

  .home-btn-item1 .home-btn-content {
    margin-left: 60px;
    align-items: flex-start;
    margin-bottom: 60px;
  }

  .home-btn-item1 .home-btn-item-title {
    color: #222;
    font-size: 42px;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
  }

  .home-btn-item1 .home-btn-item-desc {
    color: #222;
    font-size: 23px;
    font-style: normal;
    line-height: 150%;
  }
}