/* banner */
.download-page-banner {
  position: relative;
  background-color: #fafcff;
}

.download-page-banner-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 100px 20px;
  max-width: 1565px;
  margin: 0 auto;
}

.banner-left {
  display: inline-block;
  margin-top: 40px;
  width: 50%;
}

.title {
  margin: 0;
}

.title > span {
  display: block;
  font-size: 65px;
  font-weight: 700;
}

.title > span:nth-child(1) {
  margin-bottom: 30px;
}

.title > span:nth-child(2) {
  margin-bottom: 38px;
}

.product-funtion {
  width: 100%;
}

.product-funtion-item {
  display: inline-block;
  color: #999999;
  margin-right: 45px;
  font-size: 14px;
}

.banner-button {
  margin-top: 170px;
}

.banner-button > a {
  display: inline-block;
  width: 300px;
  height: 80px;
  border-radius: 6px;
  text-align: center;
  cursor: pointer;
  font-size: 42px;
  line-height: 80px;
}

.banner-button > img {
  display: none;
  position: absolute;
  bottom: 295px;
}

.banner-button > a:nth-child(1) {
  margin-right: 21px;
  background-color: #2785fd;
  color: #ffffff;
}

.banner-button > a:nth-child(1):hover .download-app-pop {
  display: block;
}

.banner-button > a:nth-child(2) {
  margin-left: 21px;
  background-color: #ffffff;
  color: #2785fd;
  border: 1px solid #2785fd;
}

.download-app-pop {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  font-size: 0;
  cursor: default;
  border-radius: 6px;
  text-align: center;
}

.download-app-pop > img {
  display: block;
  position: relative;
  top: 7px;
  margin: 0 10px 0 30px;
}

.download-app-inner-box {
  text-align: center;
  width: 406px;
  height: 283px;
  background-image: url("/pc/app-features/img/download-app-pop-window.png");
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
  border-radius: 6px;
}

.download-app-inner-box > span {
  display: block;
  font-size: 17px;
  font-weight: 500;
  color: #666666;
  line-height: 17px;
}

.download-app-inner-box > span:nth-of-type(1) {
  padding-top: 40px;
}

#app-download-qrcode {
  width: 128px;
  height: 128px;
  margin: 24px auto;
  background-color: rgba(250, 252, 255, 0.1);
}

.banner-button > a > img {
  vertical-align: middle;
}

.share-to {
  margin-top: 30px;
  position: relative;
}

.share-to > span {
  display: inline-block;
  font-size: 14px;
  color: #333333;
}

.share-to-weixin,
.share-to-qq {
  display: inline-block;
}

.share-to-weixin > img,
.share-to-qq > img {
  max-width: 30px;
  max-height: 30px;
}

.share-to-weixin {
  cursor: pointer;
  margin-right: 16px;
}

.share-to-weixin-qrcode {
  display: none;
  position: absolute;
  left: 0;
  bottom: 100%;
  margin: 0;
  padding: 24px 12px;
  width: 300px;
  height: 300px;
  background-color: #ffffff;
  text-align: center;
  border-radius: 4px;
  cursor: default;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
}

.share-to-weixin-qrcode > span:nth-of-type(1) {
  font-size: 22px;
  color: #666666;
}

.share-to-weixin-qrcode > span:nth-of-type(2) {
  font-size: 14px;
  color: #666666;
}

#weixin-qrcode {
  margin: 24px 0 12px;
}

.banner-right {
  display: inline-block;
  width: 50%;
}

.banner-demo-row1 > div,
.banner-demo-row2 > div {
  display: inline-block;
}

.banner-demos {
  background-image: url('/pc/app-features/img/book-shelf.png');
  background-repeat: no-repeat no-repeat;
  background-size: 100% 100%;
  background-position: center;
  text-align: center;
}

.banner-demo-row1 {
  position: relative;
  bottom: 100px;
}

.banner-demo-row1 > div:nth-child(2),
.banner-demo-row2 > div:nth-child(2) {
  margin: 0 20px;
}

.banner-demo-row1 a,
.banner-demo-row2 a {
  display: inline-block;
}

.demo-img {
  position: relative;
}

.demo-img > img {
  display: inline-block;
  width: 93px;
  height: 134px;
}

.banner-hover {
  display: inline-block;
  position: absolute;
  width: 94px;
  height: 134px;
  top: 1px;
  left: 11px;
}

.banner-hover > canvas {
  width: 115px !important;
  height: 160px !important;
  left: -20px !important;
  top: -11px !important;
}

.banner-hover:hover .hover-demo {
  opacity: 1;
  filter: alpha(opacity=100);
  -ms-filter: 'progid:DXImageTransform.Microsoft.Alpha' (Opacity=100);
}

.banner-hover > .hover-demo {
  width: 100%;
  height: 100%;
  position: absolute;
  left: -11px;
  top: -10px;
  background-color: rgba(0, 0, 0, 0.5);
  -moz-opacity: 0;
  opacity: 0;
  filter: alpha(opacity=0);
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  transition: all 0.5s ease;
  background-repeat: no-repeat;
  background-position: 50% 50%;
  -ms-filter: 'progid:DXImageTransform.Microsoft.Alpha' (Opacity=0);
  background-size: 90%;
}

.banner-demo-row1 > div.demo-1 .hover-demo {
  background-image: url('/images/home/home-banner/book-3-qrcode.png');
}

.banner-demo-row1 > div.demo-2 .hover-demo {
  background-image: url('/images/home/home-banner/book-2-qrcode.png');
}

.banner-demo-row1 > div.demo-3 .hover-demo {
  background-image: url('/images/home/home-banner/book-1-qrcode.png');
}

.banner-demo-row2 > div.demo-1 .hover-demo {
  background-image: url('/images/home/home-banner/book-5-qrcode.png');
}

.banner-demo-row2 > div.demo-2 .hover-demo {
  background-image: url('/images/home/home-banner/book-4-qrcode.png');
}

.banner-demo-row2 > div.demo-3 .hover-demo {
  background-image: url('/images/home/home-banner/book-6-qrcode.png');
}

.banner-highlight>.light-img {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

@media (max-width: 1500px) {
  .title > span {
    font-size: 55px;
  }

  .banner-button {
    margin-top: 100px;
  }

  .banner-button > a {
    width: 250px;
    height: 70px;
    line-height: 70px;
    font-size: 30px;
  }

  .banner-button > a > img {
    vertical-align: middle;
  }
}

@media (max-width: 1260px) {
  .title > span {
    font-size: 45px;
  }

  .title > span:nth-child(2) {
    margin-bottom: 30px;
  }

  .banner-button {
    margin-top: 60px;
  }

  .banner-button > a {
    width: 200px;
    height: 60px;
    line-height: 60px;
    font-size: 25px;
  }

  .product-funtion-item {
    margin-right: 30px;
  }
}

@media (max-width: 1100px) {
  .product-funtion-item {
    margin-right: 20px;
  }

  .title > span {
    font-size: 35px;
  }

  .product-funtion-item {
    font-size: 12px;
  }

  .banner-button > a {
    width: 150px;
    height: 50px;
    line-height: 50px;
    font-size: 18px;
  }

  .banner-button > a:nth-child(1) {
    margin-right: 5px;
  }

  .banner-button > a:nth-child(2) {
    margin-left: 5px;
  }

  .banner-button > a > img {
    max-width: 30px;
    max-height: 30px;
  }
}

@media (max-width: 1000px) {
  .title > span {
    font-size: 30px;
  }

  .product-funtion-item {
    margin-right: 10px;
  }

  .banner-button {
    margin-top: 50px;
  }

  .banner-button > a {
    width: 120px;
    height: 40px;
    line-height: 40px;
    font-size: 13px;
  }

  .banner-button > a > img {
    max-width: 15px;
    min-height: 15px;
  }

  .banner-right {
    width: 70%;
  }

  .download-page-banner-inner {
    align-items: end;
  }
}

@media (max-width: 820px) {
  .download-page-banner-inner {
    flex-direction: column;
    text-align: center;
    padding: 50px 20px;
  }

  .banner-left,
  .banner-right {
    width: 100%;
  }

  .title > span {
    font-size: 50px;
  }

  .product-funtion-item {
    font-size: 14px;
    margin-right: 10px;
  }

  .banner-button {
    margin-top: 30px;
  }

  .banner-button > a {
    width: 200px;
    height: 60px;
    line-height: 60px;
    font-size: 25px;
  }

  .banner-button > a:nth-child(1) {
    margin-right: 15px;
  }

  .banner-button > a:nth-child(2) {
    margin-left: 15px;
  }

  .banner-button > a > img {
    max-width: 30px;
    min-height: 30px;
  }

  .share-to-weixin-qrcode {
    left: 50%;
    transform: translateX(-50%);
    top: auto;
  }

  .banner-demos {
    margin-top: 150px;
  }

  .demo-img > img {
    width: 100%;
  }

  .banner-hover {
    width: 100%;
    height: 100%;
  }

  .banner-highlight>.light-img {
    width: 100%;
    height: 100%;
  }
}

@media (max-width: 490px) {
  .title > span {
    font-size: 35px;
  }

  .product-funtion-item {
    margin-top: 10px;
  }

  .banner-button > a:nth-child(1) {
    margin-right: 5px;
  }

  .banner-button > a:nth-child(2) {
    margin-left: 5px;
  }

  .banner-button > a {
    width: 150px;
    height: 50px;
    line-height: 50px;
    font-size: 20px;
  }

  .banner-button > a > img {
    max-width: 20px;
    min-height: 20px;
  }

  .banner-right {
    margin-top: 30px;
  }

  .banner-demo-row1 > div, 
  .banner-demo-row2 > div {
    max-width: 25%;
  }

  .banner-demo-row1 {
    bottom: 75px;
  }

  .banner-demos {
    margin-top: 100px;
  }
}

@media (max-width: 370px) {
  .banner-button > a {
    width: 100%;
    height: 100%;
    font-size: 20px;
  }

  .banner-button > a > img {
    max-width: 25px;
    max-height: 25px;
  }

  .banner-button > a {
    width: 180px;
    height: 55px;
    line-height: 55px;
    font-size: 23px;
  }

  .banner-button > a:nth-child(1) {
    margin-right: 0;
  }

  .banner-button > a:nth-child(2) {
    margin-left: 0;
    margin-top: 20px;
  }

  .banner-demo-row1 {
    bottom: 60px;
  }
}

/* body */
.download-page-body {
  background-color: #ffffff;
}

.first-feature {
  padding-top: 150px;
}

.product-feature {
  display: flex;
  padding-top: 100px;
  max-width: 1400px;
  margin: 0 auto;
  justify-content: space-between;
  align-items: center;
}

.product-feature > img {
  max-width: 750px;
  max-height: 750px;
}

.product-feature > p {
  display: inline-block;
  text-align: center;
}

.product-feature > p > span {
  display: block;
}

.product-feature > p > span:nth-child(2) {
  margin-top: 20px;
}

.product-feature > p > span:nth-child(3) {
  margin-top: 10px;
}

.feature-title {
  font-size: 40px;
  font-weight: 500;
}

.feaure-content {
  font-size: 28px;
  font-weight: 300;
  color: #666666;
}

@media (max-width: 1450px) {
  .download-page-body {
    padding: 0 20px;
  }

  .product-feature > img {
    max-width: 650px;
    max-height: 650px;
  }
}

@media (max-width: 1150px) {
  .product-feature > img {
    max-width: 550px;
    max-height: 550px;
  }
}

@media (max-width: 1000px) {
  .product-feature > img {
    max-width: 450px;
    max-height: 450px;
  }

  .feature-title {
    font-size: 30px;
  }

  .feaure-content {
    font-size: 20px;
  }
}

@media (max-width: 820px) {
  .download-page-body > div:nth-child(odd) {
    flex-direction: column-reverse;
  }

  .download-page-body > div:nth-child(even) {
    flex-direction: column;
  }

  .product-feature > img {
    margin-top: 30px;
  }
}

@media (max-width: 490px) {
  .product-feature > img {
    max-width: 100%;
    max-height: 100%;
  }
}

/* footer */
.download-page-footer {
  padding: 400px 0 250px;
  background-color: #ffffff;
}

.footer-title {
  text-align: center;
}

.footer-title > span {
  display: inline-block;
  color: #333333;
  font-size: 50px;
  font-weight: 700;
}

.footer-title > span:nth-child(1) {
  margin-right: 20px;
}

.footer-title > span:nth-child(2) {
  margin-left: 20px;
}

.footer-button {
  text-align: center;
  margin-top: 178px;
}

.footer-button > a {
  display: inline-block;
  width: 300px;
  height: 80px;
  border-radius: 6px;
  font-size: 35px;
  line-height: 80px;
  cursor: pointer;
}

.footer-button > a:nth-child(1) {
  position: relative;
  background-color: #2785fd;
  color: #ffffff;
  margin-right: 40px;
}

.download-app-qrcode {
  display: none;
  position: absolute;
  margin-top: 10px;
  width: 250px;
  height: 250px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
  border-radius: 6px;
  background-color: #ffffff;
  z-index: 10;
  cursor: default;
}

.footer-button > a:nth-child(1):hover .download-app-qrcode {
  display: block;
}

.download-app-qrcode > span {
  display: block;
  color: #666666;
  font-size: 17px;
  font-weight: 500;
  line-height: 17px;
}

.download-app-qrcode > span:nth-of-type(1) {
  padding-top: 20px;
}

#footer-download-qrcode {
  width: 128px;
  height: 128px;
  margin: 24px auto;
}

.footer-button > a:nth-child(2) {
  background-color: #ffffff;
  border: 1px solid #2785fd;
  color: #2785fd;
  margin-left: 40px;
}

.footer-button > a > img {
  vertical-align: middle;
}

@media (max-width: 1450px) {
  .download-page-footer {
    padding: 300px 0 200px;
  }
}

@media (max-width: 1150px) {
  .download-page-footer {
    padding: 250px 0 150px;
  }

  .footer-title > span {
    font-size: 50px;
  }

  .footer-button > a {
    font-size: 35px;
  }
}

@media (max-width: 900px) {
  .download-page-footer {
    padding: 200px 20px 100px;
  }

  .footer-title > span {
    font-size: 40px;
  }

  .footer-button > a {
    width: 250px;
    height: 70px;
    font-size: 30px;
    line-height: 70px;
  }

  .footer-button > a > img {
    vertical-align: middle;
  }
}

@media (max-width: 750px) {
  .download-page-footer {
    padding: 150px 20px 100px;
  }

  .footer-title > span {
    font-size: 30px;
  }

  .footer-button > a {
    font-size: 25px;
  }

  .footer-button {
    margin-top: 130px;
  }
}

@media (max-width: 600px) {
  .download-page-footer {
    padding: 100px 20px;
  }

  .footer-button {
    margin-top: 80px;
  }

  .footer-title > span:nth-child(1) {
    margin-right: 10px;
  }

  .footer-title > span:nth-child(2) {
    margin-left: 10px;
  }

  .footer-button > a {
    width: 280px;
  }

  .footer-button > a:nth-child(1) {
    margin-right: 0;
  }

  .footer-button > a:nth-child(2) {
    margin-left: 0;
    margin-top: 20px;
  }
}

@media (max-width: 540px) {
  .footer-title > span:nth-child(1) {
    margin-right: 0;
  }

  .footer-title > span:nth-child(2) {
    margin-left: 0;
  }
}

@media (max-width: 350px) {
  .footer-button > a {
    width: 100%;
    height: 100%;
    font-size: 20px;
  }

  .footer-button .download-app-qrcode {
    max-width: 100%;
    max-height: 100%;
  }

  .footer-button > a > img {
    max-width: 25px;
    max-height: 25px;
  }
}