/* banner */
@media (max-width: 980px) {
  .app-ios-download-qrcode img {
    max-width: 70px;
    max-height: 70px;
  }
}

@media (max-width: 850px) {
  .app-banner {
    padding: 0 10px;
  }

  .app-banner-title {
    font-size: 36px;
    padding-top: 30px;
    margin-bottom: 10px;
  }

  .app-banner-desc {
    font-size: 16px;
    margin: 0px auto 20px;
  }

  .app-banner-button-group {
    margin-bottom: 20px;
    justify-content: center;
  }

  .ios-app-download-button,
  .android-app-download-button {
    width: 200px;
    height: 50px;
  }

  .app-ios-download-qrcode {
    display: none;
  }

  .ios-app-download-button {
    margin-right: 10px;
  }

  .android-app-download-button {
    margin-left: 10px;
  }

  .app-ios-button-content span {
    font-size: 12px;
  }

  .app-android-button-content span {
    font-size: 12px;
  }

  .app-ios-button-content img {
    margin-right: 6px;
  }

  .app-android-button-content img {
    margin-right: 6px;
  }

  .ios-app-download-button:hover .app-ios-download-qrcode {
    display: none;
  }

  .app-banner-to-home a {
    margin-bottom: 25px;
  }
}

@media (max-width: 580px) {
  .app-banner-title {
    font-size: 25px;
    padding-top: 15px;
    margin-bottom: 5px;
  }

  .app-banner-desc {
    font-size: 14px;
    margin: 0px auto 15px;
  }

  .app-banner-button-group {
    margin-bottom: 15px;
  }

  .ios-app-download-button,
  .android-app-download-button {
    width: 180px;
    height: 50px;
  }

  .app-ios-button-content img {
    width: 14px;
  }

  .app-android-button-content img {
    width: 14px;
  }

  .app-banner-to-home a {
    margin-bottom: 15px;
  }
}

@media (max-width: 480px) {
  .app-banner {
    padding: 0 50px;
  }

  .app-banner-title {
    font-size: 32px;
    line-height: 39px;
    letter-spacing: 0.025em;
    padding-top: 44px;
    margin-bottom: 20px;
  }

  .app-banner-desc {
    font-size: 14px;
    line-height: 17px;
  }

  .app-banner-button-group {
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
  }

  .ios-app-download-button,
  .android-app-download-button {
    width: 230px;
    height: 55px;
  }

  .ios-app-download-button {
    margin-right: 0;
    margin-bottom: 20px;
  }

  .android-app-download-button {
    margin-left: 0;
  }

  .app-ios-button-content img {
    width: 18px;
    margin-right: 12px;
  }

  .app-ios-button-content span {
    font-family: 'PingFang SC';
    font-size: 16px;
    line-height: 22px;
  }

  .app-android-button-content img {
    width: 18px;
    margin-right: 12px;
  }

  .app-android-button-content span {
    font-family: 'PingFang SC';
    font-size: 16px;
    line-height: 22px;
  }

  .app-banner-to-home a {
    margin-bottom: 0;
  }
}

/* app-section */
@media (max-width: 850px) {
  .app-section {
    padding: 0 10px;
  }

  .app-section-second-title {
    margin-bottom: 60px;
  }
}

@media (max-width: 480px) {
  .app-section {
    padding: 0 24px;
  }
}

@media (max-width: 375px) {
  .app-section-title {
    font-size: 24px;
    line-height: 29px;
    margin-bottom: 8px;
  }

  .app-section-second-title {
    font-size: 14px;
    line-height: 21px;
    margin-bottom: 44px;
  }
}

/* app-introduction */
@media (max-width: 1450px) {
  .app-introduction {
    padding: 0 20px;
  }

  .app-introduction-item,
  .app-introduction-item:nth-of-type(even) {
    flex-direction: column-reverse;
    align-items: center;
  }

  .app-introduction-item-image {
    margin-bottom: 50px;
  }
}

@media (max-width: 850px) {
  .app-introduction {
    margin-bottom: 80px;
  }

  .app-introduction-item-image {
    max-width: 585px;
    margin-bottom: 50px;
  }

  .app-introduction-item-text span {
    margin-bottom: 16px;
    font-size: 48px;
    line-height: 58px;
  }

  .app-introduction-item-text p {
    font-size: 16px;
    line-height: 28px;
  }
}

@media (max-width: 580px) {
  .app-introduction {
    margin-bottom: 80px;
  }

  .app-introduction-item {
    margin-bottom: 60px;
  }

  .app-introduction-item-text span {
    margin-bottom: 15px;
    font-size: 30px;
    line-height: 35px;
  }

  .app-introduction-item-text p {
    font-size: 14px;
    line-height: 25px;
  }
}

@media (max-width: 380px) {
  .app-introduction {
    margin-bottom: 40px;
  }

  .app-introduction-item-image {
    max-width: 327px;
    margin-bottom: 24px;
  }

  .app-introduction-item-text span {
    margin-bottom: 8px;
    font-size: 24px;
    line-height: 29px;
  }

  .app-introduction-item-text p {
    font-size: 14px;
    line-height: 21px;
  }
}

/* app-questions-answers */
@media (max-width: 1450px) {
}

@media (max-width: 1350px) {
  .app-questions-answers-inner {
    flex-direction: column;
    align-items: center;
  }

  .app-questions-answers-title {
    margin-bottom: 50px;
    max-width: unset;
  }

  .app-questions-answers-title span {
    display: inline-block;
    font-weight: 700;
  }

  .app-questions-answers-title span:nth-child(2) {
    margin-left: 10px;
  }
}

@media (max-width: 1000px) {
  .app-questions-answers-content {
    width: auto;
  }

  .app-questions-answers-item .questions .content {
    max-width: 90%;
  }
}

@media (max-width: 580px) {
  .app-questions-answers-title {
    margin-bottom: 30px;
  }

  .app-questions-answers-title span {
    font-size: 23px;
    line-height: 25px;
  }

  .app-questions-answers-item .questions .content {
    max-width: 80%;
    font-size: 18px;
    line-height: 20px;
  }

  .app-questions-answers-item .answers {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .app-questions-answers-item {
    padding-left: 0;
  }

  .app-questions-answers-title {
    margin-bottom: 42px;
  }

  .app-questions-answers-title span {
    font-size: 20px;
    line-height: 24px;
  }

  .app-questions-answers-title span:nth-child(2) {
    margin-left: 5px;
  }

  .app-questions-answers-item .questions .content {
    max-width: 90%;
    font-size: 14px;
    line-height: 17px;
    font-weight: 700;
  }

  .app-questions-answers-item .answers {
    font-weight: 300;
    font-size: 14px;
    line-height: 21px;
  }

  .app-questions-answers-item .switch-button {
    margin-right: 0;
    width: 10px;
    height: 10px;
  }

  .app-questions-answers-border.last-border {
    margin: 22px 0 62px;
  }
}