.banner {
  color: #1CB0F6;
  background-image: url('/images/banner2.png');
}
.banner .text1,
.banner .text2 {
  margin-left: 80px;
  letter-spacing: 2px;
  opacity: 0.8;
}
.banner .text1 {
  margin-top: 160px;
  font-size: 56px;
  font-weight: bold;
}
.banner .text2 {
  font-size: 38px;
}
@media screen and (max-width: 1023px) {
  .banner .text1,
  .banner .text2 {
    margin-left: 40px;
  }
  .banner .text1 {
    margin-top: 110px;
    font-size: 36px;
  }
  .banner .text2 {
    font-size: 26px;
  }
}
@media screen and (max-width: 749px) {
  .banner .text1,
  .banner .text2 {
    margin-left: 10px;
  }
  .banner .text1 {
    margin-top: 60px;
    font-size: 22px;
  }
  .banner .text2 {
    font-size: 16px;
  }
}
.introduce {
  position: relative;
  z-index: 1;
  padding: 50px 60px 76px;
  margin: -180px auto 60px;
  box-shadow: 0px 6px 10px rgba(0, 0, 0, 0.06);
  background-color: #FFFFFF;
}
.introduce::after {
  content: '';
  position: absolute;
  right: 60px;
  bottom: 50px;
  display: block;
  width: 54px;
  height: 6px;
  background: url('/images/color-strip1.png') no-repeat center / 100%;
}
.introduce .title {
  padding-left: 40px;
  line-height: 36px;
  font-size: 23px;
  font-weight: bold;
  background: url('/images/logo3.png') no-repeat left center / 36px;
}
.introduce .describe {
  margin-top: 20px;
  line-height: 36px;
}
@media screen and (max-width: 1159px) {
  .introduce {
    margin: -180px 16px 60px;
  }
}
@media screen and (max-width: 1023px) {
  .introduce {
    padding: 20px 30px 46px;
    margin: -120px 16px 60px;
  }
  .introduce::after {
    bottom: 30px;
  }
  .introduce .title {
    padding-left: 36px;
    line-height: 30px;
    font-size: 20px;
    background-size: 30px;
  }
  .introduce .describe {
    margin-top: 16px;
    line-height: 32px;
    font-size: 14px;
  }
}
@media screen and (max-width: 749px) {
  .introduce {
    padding: 10px 16px 36px;
    margin: -80px 14px 30px;
  }
  .introduce::after {
    right: 26px;
    bottom: 20px;
  }
  .introduce .title {
    padding-left: 32px;
    line-height: 26px;
    font-size: 16px;
    background-size: 24px;
  }
  .introduce .describe {
    margin-top: 14px;
    line-height: 28px;
  }
}
.download {
  margin: 60px auto;
}
.download .download-list {
  text-align: center;
  margin-top: 50px;
  margin-left: -20px;
}
.download .download-list .item {
  display: inline-block;
  margin-left: 20px;
}
.download .download-list .item:first-child {
  margin-left: 0;
}
.download .download-list .item .name {
  text-align: center;
  font-size: 20px;
  font-weight: 500;
}
.download .download-list .item .name::before {
  content: '';
  display: block;
  width: 100px;
  height: 84px;
  margin: 0 auto 12px;
  background: url('/images/icon-folder.png') no-repeat center / 100%;
}
.download .download-list .item .download-button {
  width: 300px;
  height: 50px;
  margin-top: 40px;
  line-height: 48px;
  text-align: center;
  font-weight: 500;
  color: #1CB0F6;
  border: 2px solid #1CB0F6;
  border-radius: 2px;
  cursor: pointer;
}
@media screen and (max-width: 1023px) {
  .download .download-list .item .name {
    font-size: 14px;
  }
  .download .download-list .item .name::before {
    width: 80px;
    height: 64px;
  }
  .download .download-list .item .download-button {
    width: 230px;
    height: 44px;
    margin-top: 25px;
    line-height: 42px;
    font-size: 14px;
  }
}
@media screen and (max-width: 749px) {
  .download {
    margin: 30px auto;
  }
  .download .download-list {
    margin-top: 20px;
  }
  .download .download-list .item {
    margin-left: 15px;
  }
  .download .download-list .item .name {
    font-size: 13px;
  }
  .download .download-list .item .name::before {
    width: 60px;
    height: 54px;
  }
  .download .download-list .item .download-button {
    width: 140px;
    height: 38px;
    margin-top: 20px;
    line-height: 36px;
    font-size: 13px;
  }
}