.mokuai66 {
  background: radial-gradient(circle, #f0f5ff, #e8f0ff);
  height: 900px;
  width: 100%;
  display: flex;
}

.main-box {
  text-align: center;
}

.radio-box {
  margin: 0 auto;
  margin-top: 30px;
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  justify-content: space-between;
  align-items: center;
  border-radius: 66px;
  margin-bottom: 90px;
  box-shadow: 20px 8px 40px 0 rgba(6, 54, 146, 0.06), 0 3px 16px 0 rgba(14, 50, 142, 0.1);
  background-color: #fff;
}

.radio-box .radio {
  line-height: 40px;
  height: 40px;
  width: 86px;
  text-align: center;
  align-items: center;
  border-radius: 66px;
  cursor: pointer;
  font-size: 14px;
}

.radio-box .radio:hover {
  background-color: #ededed;
}

.radio-box .radio.active {
  color: #ffffff;
  background-color: #152646;
}

.block-box {
  position: relative;
}

.block-item {
  position: relative;
  width: 100%;
  height: 100%;
  display: none;
}

.block-item .block-text {
  left: 20px;
  position: absolute;
  top: 120px;
  text-align: left;
  width: 380px;
  line-height: 1.5;
}

.block-item .block-text h1 {
  margin-top: 0;
  margin-bottom: 0px;
  padding: 0;
}

.block-item .block-text .mc {
  color: var(--main-color);
}

.block-item .block-text p {
  margin-top: 24px;
  font-size: 16px;
  color: #666;
}

.block-item .block-img {
  position: absolute;
  left: 460px;
}

.block-item .block-img img {
  width: 720px;
}

.block4 .no-controls-video {
  width: 580px;
  position: absolute;
  left: 530px;
  top: 40px;
}

.block-item.active{
  display: block;
}

.block4 .gif-video {
  display: none;
}

@media (max-width: 1200px) {
  .mokuai66 {
    height: auto;
  }

  .radio-box {
    display: none;
  }

  .block-box {
    padding-top: 40px;
  }

  .block-box .gif-video {
    display: block;
  }

  .block-item {
    margin: 0px 0 80px;
    display: block;
  }

  .block-item .radio-box {
    display: none;
  }

  .block-item .title {
    display: block;
    font-size: 28px;
  }

  .block-item .block-text {
    position: static;
    text-align: center;
    width: 90%;
    margin: 0 auto;
  }

  .block-item .block-img {
    position: static;
    width: 90%;
    margin: 0px auto 30px;
  }

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

  .block4 .block-img {
    display: none;
  }

  .block4 .no-controls-video {
    display: none;
  }

  .block4 .gif-video {
    display: block;
    width: 90%;
    margin: 0 auto;
    margin-bottom: 30px;
  }

  .block-item::after {
    content: "";
    width: 80%;
    display: block;
    margin: 0 auto;
    height: 2px;
    margin-top: 80px;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.8) 50%, rgba(255, 255, 255, 0.1) 100%);
  }

  .block-item:last-child::after {
    display: none;
  }
}