* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body, html {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue",Helvetica,"PingFang SC","Open Sans","Inter","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  }

  body {
    min-width: 320px;
  }

  input {
    /* 去掉默认边框 */
    border: none; 
    /* 去掉默认背景 */
    background: transparent; 
    /* 去掉默认内边距 */
    padding: 0; 
    /* 去掉默认字体样式 */
    font: inherit; 
    /* 去掉默认颜色 */
    color: inherit; 
    /* 去掉默认的外观 */
    outline: none; 
  }

  a {
    text-decoration: none;
    color: inherit;
    display: inline-block;
  }

  .opacity-60 {
    opacity: 0.6;
  }
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #000;
    color: #fff;
    text-align: left;
    z-index: 1000;
    height: 60px;
    line-height: 60px;
    /* padding-left: 240px; */
    padding: 0 12.5vw;
  }
  .logo {
    vertical-align: middle;
  }

  .screen-warp-pc {
    width: 100vw;
    height: 100vh;
    /* overflow: scroll; */
    padding-top: 60px;
  }
  .screen1, .screen2 {
    overflow: auto;
  }
  
  .screen1 {
    background-color: #000;
    color: #fff;
    flex-direction: column;
    text-align: center;
    padding-bottom: 97px;
  }

  .screen2 {
    background-color: #fff;
    color: #000;
    text-align: center;
  }
  
  .screen1 .animation-img {
    width: 400px;
    height: 400px;
    margin: 0 auto;
  }

  .screen1-minsubTitle {
    color: #FFF;
    font-family: "Helvetica Neue";
    font-size: 28px;
    font-style: normal;
    font-weight: 400;
    /* opacity: 0.6; */
  }
  .screen1-minsubTitle span {
    opacity: 0.6;
   }

  .screen1-title {
    color: #FFF;
    font-family: "Helvetica Neue";
    font-size: 80px;
    margin: 12px 0;
    font-weight: 700;
  }

  .screen1-subtitle {
    color: #fff;
    font-family: "Helvetica Neue";
    font-size: 38px;
    font-style: normal;
    font-weight: 400;
    margin-bottom: 50px;
  }

  .screen1-come-soon {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    margin-bottom: 100px;
  }

  .soon-img {
    width: 226px;
    height: 24px;
    margin-left: 16px;
  }

  .screen1-offer {
    display: none;
  }

  .subscription-form {
    display: flex;
    justify-content: center;
    margin-bottom: 37px;
  }

  .email-input {
    width: 580px;
    font-family: "Helvetica Neue";
    padding: 18px 25px;
    border: 1px solid #ccc;
    border-radius: 100px;
    background: transparent;
    color: #fff;
    font-size: 20px;
    /* font-weight: 500; */
    margin-right: 10px;
  }

  .screen1-title-minpc {
    display: none;
  }

  .toast {
    display: none;
    background-color: #fff;
    color: #000;
    padding: 16px 30px;
    border-radius: 8px;
    font-family: "PingFang SC";
    font-size: 18px;
    font-weight: 400;
    line-height: 22px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    transition: opacity 0.5s;
    box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.12);
  }
  .toast-content {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .toast-icon {
    width: 24px;
    height: 24px;
    margin-right: 4px;
  }

  .success-toast {
    
  }
  .email-input.error {
    border-color: red;
  }

  .email-input:focus {
    border-color: #A6FF00 !important;
    caret-color: #A6FF00;
  }

  .subscription-form-footer .email-input.error {
    border-color: red;
  }

  .submit-btn {
    width: 184px;
    padding: 12px 24px;
    background: #A6FF00;
    color: #000;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    font-weight: 500;
    font-size: 20px;
    font-family: "Helvetica Neue";
  }

  .screen1-title-pc span {
    display: inline-block;
    white-space: nowrap;
  }

  .social-links {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
  }
  .social-links span {
    color: #FFF;
    text-align: center;
    font-family: "Helvetica Neue";
    font-size: 24px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px;
    opacity: 0.6; 
  }

  .social-links a {
    margin: 0 10px;
  }

  .email-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/email-icon.svg');
    background-size: cover;
  }

  .email-icon:hover {
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/email-hover-icon.svg');
  }

  .email-icon:active {
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/email-click-icon.svg');
  }

  .facebook-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/facebook-icon.svg');
    background-size: cover;
  }

  .facebook-icon:hover {  
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/facebook-hover-icon.svg');
  }

  .facebook-icon:active {
    background-image: url('https://overseas-us.oss-us-east-1.aliyuncs.com/atom/home/assets/faceb-click-icon.svg');
  }

  .screen2-social-links span {
    color: #000;
  }

  .screen2-content {
    padding: 140px 0 142px;
    width: 100%;
  }
  .screen2-title {
    color: #000;
    text-align: center;
    font-family: "Helvetica Neue";
    font-size: 40px;
    font-style: normal;
    font-weight: 500;
    line-height: 150%;
  }

  .screen2-highlight-cards {
    margin: 70px 0;
    width: 100%;
    flex-wrap: wrap;
    display: grid;
    justify-items: center;
    align-items: center;
    grid-template-columns: repeat(5, 1fr);
  }

  .highlight-img {
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 使用更平滑的缓动函数 */
    will-change: transform, opacity;
    padding: 24px 0;
  }
  .img-content {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
  }
  .highlight-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .highlight-text span {
    display: inline-block;
    white-space: nowrap;
    font-size: 24px;
    font-weight: 400;
    color: rgba(0, 0, 0, 0.70);
    font-family: "Helvetica Neue";
  }
  .highlight-img.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .highlight-img:not(:last-child) {
    margin-right: 40px;
  }

  .more-features {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .more-features-text {
    color: #000;
    font-family: "Helvetica Neue";
    font-size: 28px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    opacity: 0.8;
  }

  .line {
    width: 100%;
    height: 1px;
    background-color: #000;
    opacity: 0.1;
    margin: auto;
  }

  .screen2-footer-text {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 44px auto;
  }
  .screen2-footer-text p {
    color: #000;
    text-align: center;
    font-family: "Helvetica Neue";
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    opacity: 0.8;
  
  }
  .screen2-footer-text span {
    width: 2px;
    height: 2px;
    border-radius: 2px;
    background-color: #000;
    margin: 0 20px;
    opacity: 0.8;
  }
  

  /* 添加加载动画 */
  .loading {
    width: 16px;
    height: 16px;
    /* visibility: hidden; */
    display: none;
  }
  @keyframes loading {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  .loading::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #000;
    border-top-color: transparent;
    border-radius: 50%;
    animation: loading 0.8s linear infinite;
  }

  .screen1-title-mobile {
    display: none;
  }

  @media screen and (min-width: 320px) and (max-width: 374px) {
    body {
      background-color: #000;
    }
    .mt-8 {
      margin-top: 8px;
    }
    .mb-8 {
      margin-bottom: 8px;
    }
    .ml-12 {
      margin-left: 12px;
    }
    .screen-warp-pc {
      padding-top: 36px;
    }
    .header {
      padding-left: 20px;
    }
    .screen1 .animation-img {
      width: 220px;
      height: 220px;
    }

    .screen2 {
      background-color: #000;
    }

    .screen2-content {
      padding: 40px 0;
    }
    .screen1-minsubTitle {
      font-size: 14px;
      line-height: 20px;
    }
    .screen1-title {
      font-size: 30px;
      margin: 4px 0;
      line-height: 38px;
    }
    .screen1-subtitle {
      font-size: 16px;
      line-height: 22px;
      margin-bottom: 24px;
    }
    .soon-img {
      width: 132px;
      height: 14px;
      
    }
    .screen1-offer {
      display: inline-block;
      color: rgba(255, 255, 255, 0.65);
      text-align: center;
      font-family: "PingFang SC";
      font-size: 12px;
      font-style: normal;
      font-weight: 400;
      line-height: 18px;
      margin-bottom: 12px;
    }
    .screen2-offer {
      margin-top: 40px;
    }
    .social-links span {
      font-size: 14px;
      margin-right: 8px;
    }
    .screen2-social-links span {
      color: #FFF;
    }
    .social-links a {
      width: 24px;
      height: 24px;
      margin: 0 8px;
    }

    .screen1-come-soon {
      margin-bottom: 52px;
    }
  
    .screen2-content {
      background-color: #fff;
    }

    .screen2-title {
      width: 320px;
      font-size: 22px;
      margin: 0 auto;
    }
  
    .more-features {
      flex-direction: column;
    }

    .more-features-text {
      font-size: 14px;
      opacity: 0.6;
      margin-bottom: 8px;
    }
    .screen2-highlight-cards {
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      margin: 16px 0 20px;
      padding: 0 16px;
    }

    .img-content {
      width: 50px;
      height: 50px;
    }

    .highlight-text span {
      color: rgba(0, 0, 0, 0.80);
      text-align: center;
      font-family: "Helvetica Neue";
      font-size: 15px;
      font-style: normal;
      font-weight: 400;
      line-height: 20px;
    }

    .highlight-img {
      width: 49%;
      padding: 16px 0;
    }
    .highlight-img:not(:last-child) {
      margin-right: 1%;
    } 
      
    .highlight-img:nth-child(2n) {
      margin-right: 0;
    } 
    .img-content {
      margin-bottom: 8px;
    }

    .opacity-60 {
      opacity: 0.6;
    }
    .subscription-form {
      display: flex;
      width: calc(100% - 32px);
      margin: 0 auto 22px;
    }

    .email-input {
      flex: 1;
      font-size: 14px;
      padding: 14px 18px;
      margin-right: 8px;
      border-radius: 24px;
      border-width: 0.5px;
    }
  
    .submit-btn {
      width: 108px;
      border-radius: 24px;
      font-size: 14px;
    }

    .screen2-social-links {
      margin-bottom: 42px;
    }

    .line {
      width: calc(100% - 32px);
      background-color: #fff;
      opacity: 0.2;
    }
  
    .screen2-footer-text {
      margin: 24px auto;
    }

    .screen2-footer-text p {
      color: #fff;
      font-size: 12px;
      opacity: 0.6;
    }
    .screen2-footer-text p a {
      color: #fff;
      font-size: 12px;
    }
    .screen2-footer-text span {
      background-color: #fff;
      opacity: 0.8;
      margin: 0 14px;
    }

    .toast {
      white-space: nowrap;
      padding: 12px 20px;
      font-size: 14px;
    }

  }
  
  /* 移动端样式 *//* 小屏幕（平板，大于等于 768px） */
  @media screen and (min-width: 375px) and (max-width: 767px) {
    body {
      background-color: #000;
    }
    .screen-warp-pc {
      padding-top: 36px;
    }
    .header {
      padding-left: 20px;
    }
    .screen1 .animation-img {
      width: 220px;
      height: 220px;
    }
    .screen2 {
      background-color: #000;
    }

    .screen2-content {
      padding: 40px 20px;
    }
    .screen1-minsubTitle {
      font-size: 14px;
      line-height: 20px;
    }
    .screen1-title {
      font-size: 34px;
      margin: 2px 0;
      line-height: 38px;
    }
    .mt-8 {
      margin-top: 8px;
    }
    .mb-8 {
      margin-bottom: 8px;
    }
    .ml-12 {
      margin-left: 12px;
    }
    .screen1-subtitle {
      font-size: 18px;
      line-height: 22px;
      margin-bottom: 24px;
    }
    .soon-img {
      width: 132px;
      height: 14px;
      margin-left: 8px;
      
    }
    .screen1-offer {
      display: inline-block;
      color: rgba(255, 255, 255, 0.65);
      text-align: center;
      font-family: "PingFang SC";
      font-size: 12px;
      font-style: normal;
      font-weight: 400;
      line-height: 18px;
      margin-bottom: 12px;
    }
    .screen2-offer {
      margin-top: 40px;
    }
    .social-links span {
      font-size: 14px;
      margin-right: 8px;
    }
    .screen2-social-links span {
      color: #FFF;
    }
    .social-links a {
      width: 24px;
      height: 24px;
      margin: 0 8px;
    }

    .screen1-come-soon {
      margin-bottom: 52px;
    }

    .screen2-content {
      background-color: #fff;
    }

    .screen2-title {
      width: 325px;
      font-size: 22px;
      margin: 0 auto;
    }

    .more-features {
      flex-direction: column;
    }

    .more-features-text {
      font-size: 14px;
      opacity: 0.6;
      margin-bottom: 8px;
    }
    .highlight-img {
      padding: 16px 0;
    }
    
    .highlight-img:not(:last-child) {
      margin-right: 1%;
    } 

    .img-content {
      width: 50px;
      height: 50px;
      margin-bottom: 8px;
    }
    .highlight-text span {
      color: rgba(0, 0, 0, 0.80);
      text-align: center;
      font-family: "Helvetica Neue";
      font-size: 15px;
      font-style: normal;
      font-weight: 400;
      line-height: 20px;
    }

    .highlight-img:not(:nth-child(2n)) {
      margin-right: 24px;
    }
    .highlight-img:nth-child(2n) {
      margin-right: 0;
    }

    .opacity-60 {
      opacity: 0.6;
    }

    .subscription-form {
      display: flex;
      width: calc(100% - 32px);
      margin: 0 auto 22px;
    }

    .email-input {
      flex: 1;
      /* width: 210px; */
      font-size: 14px;
      padding: 14px 18px;
      margin-right: 8px;
      border-radius: 24px;
      border-width: 0.5px;
    }

    .submit-btn {
      width: 118px;
      border-radius: 24px;
      font-size: 14px;
    }

    .screen2-social-links {
      margin-bottom: 42px;
    }

    .line {
      width: calc(100% - 32px);
      background-color: #fff;
      opacity: 0.2;
    }

    .screen2-footer-text {
      margin: 24px auto;
    }

    .screen2-footer-text p {
      color: #fff;
      font-size: 12px;
      opacity: 0.6;
    }
    .screen2-footer-text p a {
      color: #fff;
      font-size: 12px;
    }
    .screen2-footer-text span {
      background-color: #fff;
      opacity: 0.8;
      margin: 0 14px;
    }

    .screen2-highlight-cards {
      display: flex;
      flex-direction: row;
      align-items: center;
      flex-wrap: wrap;
      justify-content: space-between;
      width: calc(100% - 24px);
      max-width: 320px;
      margin: 40px auto;
    }
    .highlight-img {
      width: calc(50% - 12px);
      max-width: 168px;
    }
    .toast {
      white-space: nowrap;
      padding: 12px 20px;
      font-size: 16px;
    }
  }
  
  /* 大屏幕 768——819使用以下样式 */
  @media screen and (min-width: 768px) and (max-width: 819px) { 
    
    .screen {
      padding-left: 9vw;
      padding-right: 9vw;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      width: 100%;
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }
    .more-features-text {
      font-size: 26px;
    }
    .screen1-title {
      font-size: 58px;
    }

    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }
    .highlight-img {
      margin-right: 30px;
    }
    .highlight-img:nth-child(3n) {
      margin-right: 0;
    }
    .highlight-img {
      width: 190px;
    }

    .screen2-highlight-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      justify-items: center;
    }

  }
 /* 大屏幕 820——1023使用以下样式 */
  @media screen and (min-width: 820px) and (max-width: 1023px) { 
    .screen {
      padding-left: 10vw;
      padding-right: 10vw;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      width: 100%;
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }
    .more-features-text {
      font-size: 26px;
    }
    .screen1-title {
      font-size: 58px;
    }

    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }
    .highlight-img:nth-child(3n) {
      margin-right: 0;
    }
    .highlight-img:last-child {
      margin-right: 40px;
    }

    .highlight-img {
      width: 200px;
    }

    .screen2-highlight-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      justify-items: center;
    }

  }

  /* 大屏幕 1024——1280 使用以下样式 */
  @media screen and (min-width: 1024px) and (max-width: 1280px) { 
    
    .screen {
      padding-left: 11vw;
      padding-right: 11vw;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }

    .screen1-title {
      font-size: 60px;
    }

    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }
    .highlight-img:nth-child(3n) {
      margin-right: 0;
    }

    .screen2-highlight-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      justify-items: center;
    }
    .highlight-img:last-child {
      margin-right: 40px;
    }
    .highlight-img {
      width: 250px;
    }

  }
  /* 大屏幕 1281——1439使用以下样式 */
  @media screen and (min-width: 1281px) and (max-width: 1439px) { 
    
    .screen {
      padding-left: 12.5vw;
      padding-right: 12.5vw;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }

    .screen1-title {
      font-size: 62px;
    }

    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }

    .screen2-highlight-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      justify-items: center;
    }
    .highlight-img:nth-child(3n) {
      margin-right: 0;
    }
    .highlight-img {
      width: 250px;
    }
    .highlight-img:last-child {
      margin-right: 40px;
    }

  }

  /* 大屏幕 1440——1679使用以下样式 */
  @media screen and (min-width: 1440px) and (max-width: 1679px) { 
    
    .screen {
      padding-left: 10vw;
      padding-right: 10vw;
    }
    .screen1 {
      padding-left: 9vw;
      padding-right: 9vw;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }
    .screen1-title {
      font-size: 64px;
    }


    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }

    .highlight-img {
      width: 220px;
    }
    .highlight-img:not(:last-child) {
      margin-right: 12px;
    }

  }

  /* 大屏幕 1680——1920使用以下样式 */
  @media screen and (min-width: 1680px) and (max-width: 1920px) { 
    
    .screen {
      padding-left: 12.5vw;
      padding-right: 12.5vw;
    }
    .highlight-img {
      width: 250px;
    }

    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }
    .screen1-title {
      font-size: 70px;
    }


    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }

    .highlight-img:not(:last-child) {
      margin-right: 30px;
    }
  }

  /* 大屏幕 1921px以上使用以下样式 */
  @media screen and (min-width: 1921px) { 
    
    .screen {
      padding-left: 16vw;
      padding-right: 16vw;
    }
    .highlight-img {
      width: 260px;
    }

    .highlight-img:not(:last-child) {
      margin-right: 40px;
    }
    
    .subscription-form-footer .email-input {
      border: 1px solid #000;
      color: #000;
      opacity: 0.8;
    }

    .screen2-highlight-cards {
      margin: 70px auto;
    }
    .screen2-social-links {
      margin-bottom: 100px;
    }
    .screen1-title {
      font-size: 72px;
    }

    .submit-btn:hover {
      background-color: #C1FF4D;
    }
    .submit-btn:active {
      background-color: #A6FF00;
    }

  }