@font-face {
  font-family: 'huawei_sans_r';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-regular.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-regular.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-regular.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Regular.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-regular.svg") format("svg");
}
@font-face {
  font-family: 'huawei_sans_b';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-bold.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-bold.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-bold.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Bold.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-bold.svg") format("svg");
}
@font-face {
  font-family: 'huawei_sans_l';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Light.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.svg") format("svg");
}
@font-face {
  font-family: 'huawei_sans_l';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Light.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-light.svg") format("svg");
}
@font-face {
  font-family: 'huawei_sans_m';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-medium.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-medium.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-medium.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Medium.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-medium.svg") format("svg");
}
@font-face {
  font-family: 'huawei_sans_t';
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-thin.eot");
  src: url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-thin.eot?") format("embedded-opentype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-thin.woff") format("woff"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/HuaweiSans-Thin.ttf") format("truetype"), url("https://www.hisilicon.com/Assets/corp/bciw/fonts/huaweisans-thin.svg") format("svg");
}
* {
  font-family: "PingFang SC", "微软雅黑", "Microsoft YaHei", Helvetica, "Helvetica Neue", Tahoma, Arial, sans-serif;
}
.page-footer {
  display: none;
}
a:active,
a:hover {
  text-decoration: none;
}
body {
  font-size: 14px;
  color: #000;
}
body.en-US div,
body.en-US span,
body.en-US a,
body.en-US h3,
body.en-US .banner-tit h4 {
  font-family: huawei_sans_l;
}
body.en-US h4,
body.en-US a.more,
body.en-US a.show-more,
body.en-US a.giv-more {
  font-family: huawei_sans_b;
}
body.en-US h4 span,
body.en-US a.more span,
body.en-US a.show-more span,
body.en-US a.giv-more span {
  font-family: huawei_sans_b;
}
h1,
h2,
h3,
h4,
h5,
p {
  margin: 0;
}
.clear-f {
  clear: both;
  width: 0;
  height: 0;
}
@keyframes animate_pic {
  0% {
    transform: scale(1);
    box-shadow: 0 0 4px #ccc;
  }
  90% {
    transform: scale(1.2);
    box-shadow: 0 0 10px #ccc;
  }
}
@-webkit-keyframes animate_pic {
  0% {
    -webkit-transform: scale(1);
    box-shadow: 0 0 4px #ccc;
  }
  90% {
    -webkit-transform: scale(1.2);
    box-shadow: 0 0 10px #ccc;
  }
}
@keyframes mouse_scroll {
  0% {
    top: 15%;
    opacity: 1;
  }
  100% {
    top: 40%;
    opacity: 0;
  }
}
@-moz-keyframes mouse_scroll {
  0% {
    top: 15%;
    opacity: 1;
  }
  100% {
    top: 40%;
    opacity: 0;
  }
}
@-webkit-keyframes mouse_scroll {
  0% {
    top: 15%;
    opacity: 1;
  }
  100% {
    top: 40%;
    opacity: 0;
  }
}
@-o-keyframes mouse_scroll {
  0% {
    top: 20%;
    opacity: 1;
  }
  100% {
    top: 40%;
    opacity: 0;
  }
}
.page-banner {
  width: 100%;
  height: 11rem;
  position: relative;
  overflow: hidden;
  margin-top: 60px;
}
.page-banner .mb-banner-bg {
  position: absolute;
  width: 100%;
  height: 11rem;
  top: 0;
  left: 0;
}
.page-banner .banner-bg {
  display: none;
}
.page-banner .banner-video-btn {
  position: absolute;
  width: 1.24rem;
  height: 1.24rem;
  background-size: 100% 100%;
  background-image: url("https://www.hisilicon.com/Assets/corp/bciw/img/icon/play.png");
  top: 5.1rem;
  left: 50%;
  margin-left: -0.62rem;
}
.page-banner .mouse-tip {
  position: absolute;
  width: 0.68rem;
  height: 1rem;
  bottom: 1rem;
  left: 50%;
  margin-left: -0.34rem;
  border: 2px solid #fff;
  border-radius: 0.34rem;
}
.page-banner .mouse-tip span {
  position: absolute;
  width: 2px;
  height: 0.16rem;
  background: #e3e6eb;
  top: 0;
  left: 50%;
  margin-left: -1px;
  animation: mouse_scroll 2s infinite;
  -moz-animation: mouse_scroll 2s infinite;
  -webkit-animation: mouse_scroll 2s infinite;
  -o-animation: mouse_scroll 2s infinite;
}
.page-banner .banner-tit {
  position: absolute;
  width: 100%;
  height: 5.1rem;
  z-index: 2;
}
.page-banner .banner-tit h4 {
  overflow-wrap: break-word;
  position: absolute;
  font-size: 0.78rem;
  text-align: center;
  line-height: 1.1rem;
  top: 50%;
  width: 6rem;
  left: 0.75rem;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  -o-transform: translate(0, -50%);
  transform: translate(0, -50%);
  font-weight: normal;
  color: #fff;
}
@media (min-width: 769px) {
  .page-banner {
    margin-top: -70px;
    height: auto;
  }
  .page-banner .mb-banner-bg {
    display: none;
  }
  .page-banner .banner-bg {
    display: block;
    position: relative;
    width: 100%;
    max-width: 1920px;
    height: auto;
    margin: 0 auto;
    min-width: 1400px;
  }
  .page-banner .main-box {
    position: absolute;
    top: 0;
    width: 97%;
    height: 100%;
    margin: 0 auto;
    max-width: 1180px;
    left: 50%;
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    overflow: hidden;
    z-index: 2;
  }
  .page-banner .main-box .banner-video-btn {
    position: absolute;
    width: 82px;
    height: 82px;
    top: 260px;
    margin-left: -41px;
    border-radius: 50%;
    -webkit-transition: box-shadow 0.4s;
    -moz-transition: box-shadow 0.4s;
    -ms-transition: box-shadow 0.4s;
    -o-transition: box-shadow 0.4s;
    transition: box-shadow 0.4s;
  }
  .page-banner .main-box .banner-video-btn:hover {
    box-shadow: 0 0 10px #fff;
  }
  .page-banner .main-box .mouse-tip {
    position: absolute;
    width: 34px;
    height: 52px;
    bottom: 80px;
    left: 50%;
    margin-left: -17px;
    border: 2px solid #fff;
    border-radius: 17px;
  }
  .page-banner .main-box .mouse-tip span {
    position: absolute;
    width: 2px;
    height: 6px;
    background: #e3e6eb;
    top: 0;
    left: 50%;
    margin-left: -1px;
  }
  .page-banner .main-box .banner-tit {
    width: 100%;
    height: 200px;
    left: 0;
    top: 60px;
  }
  .page-banner .main-box .banner-tit h4 {
    font-size: 50px;
    line-height: 70px;
    top: 50%;
    width: 70%;
    left: 15%;
    letter-spacing: 1px;
  }
}
@media (min-width: 769px) and (min-width: 1600px) {
  .page-banner .main-box .banner-video-btn {
    top: 370px;
  }
}
@media (min-width: 769px) and (min-width: 1600px) {
  .page-banner .main-box .banner-tit {
    height: 300px;
  }
}
@media (min-width: 769px) and (min-width: 1600px) {
  .page-banner .main-box .banner-tit h4 {
    font-size: 60px;
    line-height: 100px;
  }
}
.page-case-6 {
  width: 100%;
  color: #282828;
  background: #fff;
  padding: 0.65rem 0 0.8rem 0;
}
.page-case-6 .main-box .tit {
  font-size: 0.6rem;
  line-height: 1.2;
  text-align: center;
  padding: 0 0.4rem;
}
.page-case-6 .main-box .vd-hd {
  display: none;
}
.page-case-6 .main-box .hand-m {
  display: block;
  width: 100%;
  height: 2.56rem;
  margin: 1rem 0 0.6rem 0;
}
.page-case-6 .main-box .more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0 auto;
  font-weight: bold;
}
.page-case-6 .main-box .more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
@media (min-width: 769px) {
  .page-case-6 {
    padding: 80px 0 90px 0;
  }
  .page-case-6 .main-box {
    position: relative;
    width: 100%;
    overflow: hidden;
  }
  .page-case-6 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
  }
  .page-case-6 .main-box .hand-m {
    display: none;
  }
  .page-case-6 .main-box .vd-hd {
    display: block;
    width: 100%;
    height: auto;
    max-width: 1920px;
    margin: 0 auto;
    margin-top: 60px;
  }
  .page-case-6 .main-box .vd-hd video {
    display: block;
    width: 100%;
    height: auto;
  }
  .page-case-6 .main-box .more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    border: 1px solid #282828;
    margin: 0 auto;
    margin-top: 60px;
    color: #282828;
    text-decoration: none;
    font-weight: bold;
  }
  .page-case-6 .main-box .more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-6 .main-box .more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-6 .main-box .more:hover span {
    color: #fff;
  }
  .page-case-6 .main-box .more:hover:after {
    width: 122px;
  }
}
.page-case-5 {
  width: 100%;
  color: #282828;
  padding: 0.65rem 0 1rem 0;
  background: #fff;
}
.page-case-5 .main-box {
  width: 6.6rem;
  margin: 0 auto;
}
.page-case-5 .main-box .tit {
  font-size: 0.6rem;
  line-height: 1.2;
  text-align: center;
  padding: 0 1rem;
}
.page-case-5 .main-box .tit i {
  display: none;
}
.page-case-5 .main-box .tit span {
  display: block;
  font-size: 0.3rem;
  margin-bottom: 0.2rem;
}
.page-case-5 .main-box .case-box {
  margin-top: 0.7rem;
}
.page-case-5 .main-box .case-box .pic img {
  display: block;
  width: 5.7rem;
  height: auto;
  margin: 0 auto;
}
.page-case-5 .main-box .case-box .content {
  margin-top: 0.55rem;
}
.page-case-5 .main-box .case-box .content .txt {
  text-align: center;
}
.page-case-5 .main-box .case-box .content .txt h5 {
  font-size: 0.36rem;
  line-height: 1.4;
  margin-bottom: 0.4rem;
}
.page-case-5 .main-box .case-box .content .txt p {
  font-size: 0.26rem;
  line-height: 1.5;
  margin-bottom: 0.35rem;
}
.page-case-5 .main-box .case-box .content .txt .more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0 auto;
  font-weight: bold;
}
.page-case-5 .main-box .case-box .content .txt .more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
@media (min-width: 769px) {
  .page-case-5 {
    padding: 70px 0 80px 0;
  }
  .page-case-5 .main-box {
    width: 97%;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
  }
  .page-case-5 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
  }
  .page-case-5 .main-box .tit i {
    display: inline;
    font-style: normal;
  }
  .page-case-5 .main-box .tit span {
    font-size: 20px;
    line-height: 50px;
    margin-bottom: 0;
  }
  .page-case-5 .main-box .case-box {
    margin: 0 auto;
    margin-top: 80px;
    width: 100%;
    max-width: 1040px;
    overflow: hidden;
  }
  .page-case-5 .main-box .case-box .pic {
    width: auto;
    height: auto;
    float: left;
  }
  .page-case-5 .main-box .case-box .pic img {
    display: block;
    width: 427px;
    height: auto;
    margin: 0 auto;
  }
  .page-case-5 .main-box .case-box .content {
    position: relative;
    margin: 0;
    float: right;
    width: 40%;
    height: 297px;
    max-width: 485px;
  }
  .page-case-5 .main-box .case-box .content .txt {
    position: absolute;
    text-align: left;
    width: 100%;
    min-height: 190px;
    left: 0;
    top: 50%;
    -webkit-transform: translate(0, -50%);
    -moz-transform: translate(0, -50%);
    -ms-transform: translate(0, -50%);
    -o-transform: translate(0, -50%);
    transform: translate(0, -50%);
  }
  .page-case-5 .main-box .case-box .content .txt h5 {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 25px;
  }
  .page-case-5 .main-box .case-box .content .txt p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 25px;
  }
  .page-case-5 .main-box .case-box .content .txt .more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    border: 1px solid #282828;
    margin: 0;
    color: #282828;
    text-decoration: none;
    font-weight: bold;
  }
  .page-case-5 .main-box .case-box .content .txt .more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-5 .main-box .case-box .content .txt .more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-5 .main-box .case-box .content .txt .more:hover span {
    color: #fff;
  }
  .page-case-5 .main-box .case-box .content .txt .more:hover:after {
    width: 122px;
  }
}
@media (min-width: 769px) and (min-width: 840px) {
  .page-case-5 .main-box .case-box .content {
    width: 44%;
  }
}
@media (min-width: 769px) and (min-width: 900px) {
  .page-case-5 .main-box .case-box .content {
    width: 50%;
  }
}
.page-case-4 {
  width: 100%;
  color: #282828;
  background: #f7f7f8;
  padding: 0.65rem 0;
}
.page-case-4 .main-box .tit {
  font-size: 0.6rem;
  line-height: 0.9rem;
  text-align: center;
}
.page-case-4 .main-box .tit span {
  display: block;
  font-size: 0.3rem;
}
.page-case-4 .main-box .case-box {
  margin-top: 0.55rem;
  width: 100%;
  position: relative;
}
.page-case-4 .main-box .case-box .cell {
  width: 90%;
  margin: 0 auto;
  margin-bottom: 0.8rem;
  text-align: center;
}
.page-case-4 .main-box .case-box .cell:nth-child(1) .pic img {
  width: 4.25rem;
}
.page-case-4 .main-box .case-box .cell:nth-child(2) .pic img {
  width: 3.55rem;
}
.page-case-4 .main-box .case-box .cell:nth-child(3) .pic img {
  width: 4.33rem;
}
.page-case-4 .main-box .case-box .cell .pic img {
  display: block;
  height: auto;
  margin: 0 auto;
  margin-bottom: 0.45rem;
}
.page-case-4 .main-box .case-box .cell h5 {
  font-size: 0.36rem;
  line-height: 0.45rem;
  max-height: 0.9rem;
  margin-bottom: 0.2rem;
  overflow: hidden;
}
.page-case-4 .main-box .case-box .cell p {
  font-size: 0.26rem;
  max-height: 1.02rem;
  line-height: 0.34rem;
  overflow: hidden;
  margin-bottom: 0.25rem;
}
.page-case-4 .main-box .case-box .cell .more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0 auto;
  font-weight: bold;
}
.page-case-4 .main-box .case-box .cell .more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
@media (min-width: 769px) {
  .page-case-4 {
    padding: 60px 0;
  }
  .page-case-4 .main-box {
    width: 97%;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
  }
  .page-case-4 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
  }
  .page-case-4 .main-box .tit span {
    font-size: 20px;
    line-height: 50px;
  }
  .page-case-4 .main-box .case-box {
    margin-top: 30px;
    width: 100%;
    overflow: hidden;
    padding-bottom: 5px;
  }
  .page-case-4 .main-box .case-box .cell {
    width: 30%;
    height: auto;
    float: left;
    padding: 20px 0;
    margin: 0 1.5%;
    -webkit-transition: background 0.4s;
    -moz-transition: background 0.4s;
    -ms-transition: background 0.4s;
    -o-transition: background 0.4s;
    transition: background 0.4s;
  }
  .page-case-4 .main-box .case-box .cell:hover {
    background: #fff;
    box-shadow: 1px 1px 5px #ccc;
  }
  .page-case-4 .main-box .case-box .cell:nth-child(3) .pic img {
    width: 283px;
    left: 0;
  }
  .page-case-4 .main-box .case-box .cell:nth-child(1) .pic img {
    width: 219px;
    left: 32px;
  }
  .page-case-4 .main-box .case-box .cell:nth-child(2) .pic img {
    width: 225px;
    left: 29px;
  }
  .page-case-4 .main-box .case-box .cell .pic {
    position: relative;
    width: 283px;
    margin: 0 auto;
    height: 171px;
    margin-bottom: 40px;
  }
  .page-case-4 .main-box .case-box .cell .pic img {
    position: absolute;
    bottom: 0;
    display: block;
    height: auto;
    margin: 0 auto;
  }
  .page-case-4 .main-box .case-box .cell h5 {
    width: 283px;
    margin: 0 auto;
    font-size: 22px;
    line-height: 25px;
    height: 50px;
    max-height: 50px;
    margin-bottom: 5px;
  }
  .page-case-4 .main-box .case-box .cell p {
    width: 283px;
    margin: 0 auto;
    font-size: 14px;
    max-height: 72px;
    height: 72px;
    line-height: 22px;
    margin-bottom: 10px;
  }
  .page-case-4 .main-box .case-box .cell .more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    border: none;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    outline: 1px solid #282828;
    margin: 0 auto;
    color: #282828;
    text-decoration: none;
    font-weight: bold;
  }
  .page-case-4 .main-box .case-box .cell .more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-4 .main-box .case-box .cell .more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-4 .main-box .case-box .cell .more:hover span {
    color: #fff;
  }
  .page-case-4 .main-box .case-box .cell .more:hover:after {
    width: 122px;
  }
}
.page-case-3 {
  width: 100%;
  color: #282828;
  padding: 0.65rem 0;
  background: #fff;
}
.page-case-3 .main-box .tit {
  font-size: 0.6rem;
  line-height: 0.9rem;
  text-align: center;
}
.page-case-3 .main-box .tit span {
  display: block;
  font-size: 0.3rem;
}
.page-case-3 .main-box .case-list .show-more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0.5rem auto;
  font-weight: bold;
  margin-top: 0.7rem;
  font-size: 0.22rem;
}
.page-case-3 .main-box .case-list .show-more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
.page-case-3 .main-box .case-list .case-cell {
  margin-top: 0.8rem;
}
.page-case-3 .main-box .case-list .case-cell .mb-case-pic {
  width: 5.7rem;
  height: 4.3rem;
  margin: 0 auto;
}
.page-case-3 .main-box .case-list .case-cell .mb-case-pic .swiper-pagination {
  bottom: 0.35rem;
  box-sizing: border-box;
  padding-right: 0.2rem;
  text-align: right;
}
.page-case-3 .main-box .case-list .case-cell .mb-case-pic img {
  display: block;
  width: 5.7rem;
  height: 4.3rem;
}
.page-case-3 .main-box .case-list .case-cell .mb-case-pic .swiper-slide {
  width: 5.7rem;
  height: 4.3rem;
}
.page-case-3 .main-box .case-list .case-cell img {
  display: none;
}
.page-case-3 .main-box .case-list .case-cell .txt {
  margin: 0.2rem auto;
  margin-bottom: 0;
  width: 6.6rem;
  text-align: center;
}
.page-case-3 .main-box .case-list .case-cell .txt .tag {
  line-height: 2;
  font-size: 0.26rem;
}
.page-case-3 .main-box .case-list .case-cell .txt h5 {
  font-size: 0.36rem;
  line-height: 1.8;
}
.page-case-3 .main-box .case-list .case-cell .txt p {
  font-size: 0.26rem;
  line-height: 1.6;
  margin-top: 0.3rem;
}
.page-case-3 .main-box .case-list .case-cell .txt .more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0 auto;
  margin-top: 0.3rem;
  font-weight: bold;
}
.page-case-3 .main-box .case-list .case-cell .txt .more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
@media (min-width: 769px) {
  .page-case-3 {
    background: none;
    padding: 100px 0 0 0;
  }
  .page-case-3 .main-box {
    width: 97%;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
  }
  .page-case-3 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
    margin-bottom: 80px;
  }
  .page-case-3 .main-box .tit span {
    font-size: 20px;
    line-height: 50px;
  }
  .page-case-3 .main-box .case-list .show-more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    border: none;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    outline: 1px solid #282828;
    margin: 80px auto;
    color: #282828;
    text-decoration: none;
    -webkit-transition: opacity 0.4s;
    -moz-transition: opacity 0.4s;
    -ms-transition: opacity 0.4s;
    -o-transition: opacity 0.4s;
    transition: opacity 0.4s;
  }
  .page-case-3 .main-box .case-list .show-more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-3 .main-box .case-list .show-more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-3 .main-box .case-list .show-more:hover span {
    color: #fff;
  }
  .page-case-3 .main-box .case-list .show-more:hover:after {
    width: 122px;
  }
  .page-case-3 .main-box .case-list .case-cell {
    margin-top: 0;
    background: #f7f7f8;
    position: relative;
    height: 270px;
  }
  .page-case-3 .main-box .case-list .case-cell img {
    display: block;
  }
  .page-case-3 .main-box .case-list .case-cell .mb-case-pic {
    display: none;
  }
  .page-case-3 .main-box .case-list .case-cell:hover .txt .more {
    opacity: 1;
  }
  .page-case-3 .main-box .case-list .case-cell .txt {
    margin: 0;
    top: 50%;
    -webkit-transform: translate(0, -50%);
    -moz-transform: translate(0, -50%);
    -ms-transform: translate(0, -50%);
    -o-transform: translate(0, -50%);
    transform: translate(0, -50%);
  }
  .page-case-3 .main-box .case-list .case-cell .txt .tag {
    font-size: 14px;
    line-height: 30px;
    margin-bottom: 5px;
  }
  .page-case-3 .main-box .case-list .case-cell .txt h5 {
    font-size: 22px;
    line-height: 28px;
    margin-bottom: 10px;
  }
  .page-case-3 .main-box .case-list .case-cell .txt p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 30px;
  }
  .page-case-3 .main-box .case-list .case-cell .txt .more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    font-weight: bold;
    border: none;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    outline: 1px solid #282828;
    margin: 0;
    color: #282828;
    text-decoration: none;
    opacity: 0;
    -webkit-transition: opacity 0.4s;
    -moz-transition: opacity 0.4s;
    -ms-transition: opacity 0.4s;
    -o-transition: opacity 0.4s;
    transition: opacity 0.4s;
  }
  .page-case-3 .main-box .case-list .case-cell .txt .more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-3 .main-box .case-list .case-cell .txt .more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-3 .main-box .case-list .case-cell .txt .more:hover span {
    color: #fff;
  }
  .page-case-3 .main-box .case-list .case-cell .txt .more:hover:after {
    width: 122px;
  }
  .page-case-3 .main-box .case-list .case-cell:nth-child(2n) {
    background: #fff;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style1 img {
    position: absolute;
    left: 0;
    display: block;
    top: 0;
    width: auto;
    height: 100%;
    margin: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style1 img:nth-child(2) {
    display: block;
    left: inherit;
    right: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style1 .txt {
    margin: 0;
    width: 45%;
    max-width: 260px;
    text-align: left;
    position: absolute;
    left: 400px;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style2 img {
    position: absolute;
    right: 0;
    display: block;
    top: 0;
    width: auto;
    height: 100%;
    margin: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style2 .txt {
    margin: 0;
    width: 45%;
    max-width: 320px;
    text-align: left;
    position: absolute;
    left: 80px;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style3 img {
    position: absolute;
    left: 0;
    display: block;
    top: 0;
    width: auto;
    height: 100%;
    margin: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style3 .txt {
    margin: 0;
    width: 45%;
    max-width: 320px;
    text-align: left;
    position: absolute;
    left: 450px;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style4 img {
    position: absolute;
    left: 0;
    display: block;
    top: 0;
    width: auto;
    height: 100%;
    margin: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style4 img:nth-child(2) {
    display: block;
    left: inherit;
    right: 0;
  }
  .page-case-3 .main-box .case-list .case-cell.case-style4 .txt {
    margin: 0;
    width: 45%;
    max-width: 260px;
    text-align: left;
    position: absolute;
    left: 340px;
  }
}
@media (min-width: 769px) and (min-width: 1200px) {
  .page-case-3 .main-box .case-list .case-cell {
    height: 320px;
  }
}
@media (min-width: 769px) and (min-width: 1200px) {
  .page-case-3 .main-box .case-list .case-cell.case-style1 .txt {
    width: 45%;
    max-width: 305px;
    left: 485px;
  }
}
@media (min-width: 769px) and (min-width: 1200px) {
  .page-case-3 .main-box .case-list .case-cell.case-style3 .txt {
    left: 540px;
  }
}
@media (min-width: 769px) and (min-width: 1200px) {
  .page-case-3 .main-box .case-list .case-cell.case-style4 .txt {
    width: 45%;
    max-width: 305px;
    left: 405px;
  }
}
.page-case-2 {
  width: 100%;
  color: #282828;
  background: #f7f7f8;
  padding: 0.65rem 0;
}
.page-case-2 .main-box .tit {
  font-size: 0.6rem;
  line-height: 0.9rem;
  text-align: center;
  padding: 0 10%;
}
.page-case-2 .main-box .tit span {
  display: block;
  font-size: 0.3rem;
  line-height: 0.5rem;
}
.page-case-2 .main-box .case-box {
  margin-top: 0.75rem;
  width: 100%;
  position: relative;
  height: 10rem;
}
.page-case-2 .main-box .case-box .swiper-slide {
  width: 100%;
  position: relative;
  height: 10rem;
}
.page-case-2 .main-box .case-box .bg-pic {
  position: absolute;
  top: 0;
  left: 0;
  width: 7.5rem;
  height: 10rem;
}
.page-case-2 .main-box .case-box .bg-pic img.mb {
  display: block;
  width: 7.5rem;
  height: 10rem;
}
.page-case-2 .main-box .case-box .bg-pic img.pc {
  display: none;
}
.page-case-2 .main-box .case-box .pc-swiper {
  display: none;
}
.page-case-2 .main-box .case-box .mb-swiper {
  position: absolute;
  width: 100%;
  height: 10rem;
  top: 0;
  left: 0;
}
.page-case-2 .main-box .case-box .mb-swiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 10rem;
}
.page-case-2 .main-box .case-box .giv-more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #fff;
  text-align: center;
  line-height: normal;
  color: #fff;
  text-decoration: none;
  margin: 0 auto;
  margin-top: 0.5rem;
  font-weight: bold;
}
.page-case-2 .main-box .case-box .giv-more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
.page-case-2 .main-box .case-box .giv-main {
  position: absolute;
  z-index: 2;
  width: 5.6rem;
  height: auto;
  color: #fff;
  top: 1.8rem;
  left: 50%;
  margin-left: -2.8rem;
}
.page-case-2 .main-box .case-box .giv-main img {
  display: block;
  width: auto;
  height: 2.4rem;
  margin: 0 auto;
}
.page-case-2 .main-box .case-box .giv-main h5 {
  padding-top: 0.8rem;
  font-size: 0.36rem;
  line-height: 1;
  text-align: center;
}
.page-case-2 .main-box .case-box .giv-main .des {
  margin-top: 0.5rem;
  font-size: 0.26rem;
  width: 100%;
  text-align: center;
  line-height: 1.6;
}
@media (min-width: 769px) {
  .page-case-2 {
    background: none;
    padding: 0 0 70px 0;
  }
  .page-case-2 .main-box {
    overflow: hidden;
  }
  .page-case-2 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
  }
  .page-case-2 .main-box .tit span {
    font-size: 20px;
    line-height: 50px;
  }
  .page-case-2 .main-box .case-box {
    margin-top: 80px;
    width: 100%;
    position: relative;
    height: 650px;
  }
  .page-case-2 .main-box .case-box .swiper-slide {
    width: 100%;
    position: relative;
    height: 650px;
    overflow: hidden;
  }
  .page-case-2 .main-box .case-box .bg-pic {
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -960px;
    width: 1920px;
    height: 650px;
  }
  .page-case-2 .main-box .case-box .bg-pic img.mb {
    display: none;
  }
  .page-case-2 .main-box .case-box .bg-pic img.pc {
    display: block;
    width: 1920px;
    height: 650px;
  }
  .page-case-2 .main-box .case-box .mb-swiper {
    display: none;
  }
  .page-case-2 .main-box .case-box .pc-swiper {
    display: block;
    position: absolute;
    width: 1920px;
    height: 650px;
    top: 0;
    left: 50%;
    margin-left: -960px;
  }
  .page-case-2 .main-box .case-box .pc-swiper .swiper-slide img {
    display: block;
    width: 100%;
    height: 650px;
  }
  .page-case-2 .main-box .case-box .giv-more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    outline: 1px solid #fff;
    border: none;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    color: #fff;
    text-decoration: none;
    margin: 0 auto;
    margin-top: 40px;
  }
  .page-case-2 .main-box .case-box .giv-more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-2 .main-box .case-box .giv-more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-2 .main-box .case-box .giv-more:hover span {
    color: #fff;
  }
  .page-case-2 .main-box .case-box .giv-more:hover:after {
    width: 122px;
  }
  .page-case-2 .main-box .case-box .giv-main {
    position: absolute;
    z-index: 2;
    pointer-events: auto;
    width: 330px;
    top: 145px;
    margin-left: -165px;
  }
  .page-case-2 .main-box .case-box .giv-main img {
    display: block;
    width: auto;
    height: 146px;
    margin: 0 auto;
  }
  .page-case-2 .main-box .case-box .giv-main h5 {
    padding-top: 80px;
    font-size: 22px;
    line-height: 1;
    text-align: center;
  }
  .page-case-2 .main-box .case-box .giv-main .des {
    margin-top: 40px;
    font-size: 14px;
    width: 100%;
    text-align: center;
    line-height: 1.6;
  }
}
.page-case-2 {
  padding-bottom: 0;
}
.page-case-1 {
  width: 100%;
  color: #282828;
  background: #fff;
}
.page-case-1 .main-box {
  width: 6.6rem;
  margin: 0 auto;
  padding: 0.65rem 0;
}
.page-case-1 .main-box .tit {
  font-size: 0.6rem;
  line-height: 0.9rem;
  text-align: center;
  padding: 0 9.6%;
}
.page-case-1 .main-box .tit span {
  display: block;
  font-size: 0.3rem;
}
.page-case-1 .main-box .case-box {
  margin-top: 0.6rem;
}
.page-case-1 .main-box .case-box .animate-pic {
  width: 6.88rem;
  height: 4.79rem;
  margin: 0.6rem auto;
  position: relative;
  margin-left: -0.14rem;
  transform: scale(0.9);
}
.page-case-1 .main-box .case-box .animate-pic img.back {
  display: block;
  width: 6.88rem;
  height: 4.79rem;
}
.page-case-1 .main-box .case-box .animate-pic img.animate {
  position: absolute;
  width: 3.4rem;
  height: 4.79rem;
  top: 0;
  left: 1.2rem;
  box-shadow: 0 0 4px #ccc;
  -webkit-transition: -webkit-transform 3s;
  -moz-transition: -moz-transform 3s;
  -ms-transition: -ms-transform 3s;
  -o-transition: -o-transform 3s;
  transition: transform 3s;
}
.page-case-1 .main-box .case-box .animate-pic img.animate.cur {
  -webkit-transform: scale(1.2);
  -moz-transform: scale(1.2);
  -ms-transform: scale(1.2);
  -o-transform: scale(1.2);
  transform: scale(1.2);
  box-shadow: 0 0 10px #ccc;
}
.page-case-1 .main-box .case-box .vd {
  display: none;
  width: 100%;
  height: auto;
}
.page-case-1 .main-box .case-box .vd video {
  display: block;
  width: 100%;
  height: auto;
}
.page-case-1 .main-box .case-box .txt h4 {
  font-size: 0.36rem;
  text-align: center;
  line-height: 0.55rem;
}
.page-case-1 .main-box .case-box .txt .des {
  font-size: 0.26rem;
  margin: 0.35rem 0;
  line-height: 1.4;
}
.page-case-1 .main-box .case-box .txt .more {
  display: block;
  width: 2.15rem;
  height: 0.7rem;
  border: 1px solid #282828;
  text-align: center;
  line-height: normal;
  color: #282828;
  text-decoration: none;
  margin: 0 auto;
  font-weight: bold;
}
.page-case-1 .main-box .case-box .txt .more span {
  width: 2.15rem;
  height: 0.7rem;
  display: table-cell;
  text-align: center;
  vertical-align: middle;
}
@media (min-width: 769px) {
  .page-case-1 .main-box {
    width: 97%;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
    padding: 80px 0 0 0;
  }
  .page-case-1 .main-box .tit {
    font-size: 46px;
    line-height: 75px;
    text-align: center;
    padding: 0;
  }
  .page-case-1 .main-box .tit span {
    font-size: 20px;
    line-height: 50px;
  }
  .page-case-1 .main-box .case-box {
    margin-top: 20px;
    padding: 120px 0 0 600px;
    position: relative;
    height: 600px;
  }
  .page-case-1 .main-box .case-box .animate-pic {
    position: absolute;
    top: 0;
    left: 0;
    width: 688px;
    height: 479px;
    transform: scale(0.8);
    margin: 60px 0 60px -40px;
  }
  .page-case-1 .main-box .case-box .animate-pic img.back {
    display: block;
    width: 688px;
    height: auto;
  }
  .page-case-1 .main-box .case-box .animate-pic img.animate {
    position: absolute;
    width: 340px;
    height: 479px;
    top: 0;
    left: 120px;
    -webkit-transition: -webkit-transform 3s;
    -moz-transition: -moz-transform 3s;
    -ms-transition: -ms-transform 3s;
    -o-transition: -o-transform 3s;
    transition: transform 3s;
  }
  .page-case-1 .main-box .case-box .animate-pic img.animate.cur {
    -webkit-transform: scale(1.2);
    -moz-transform: scale(1.2);
    -ms-transform: scale(1.2);
    -o-transform: scale(1.2);
    transform: scale(1.2);
    box-shadow: 0 0 10px #ccc;
  }
  .page-case-1 .main-box .case-box .animate-pic img.animate:hover {
    animation: animate_pic 3s infinite;
    -moz-animation: animate_pic 3s infinite;
    -webkit-animation: animate_pic 3s infinite;
    -o-animation: animate_pic 3s infinite;
  }
  .page-case-1 .main-box .case-box .vd {
    display: block;
    position: absolute;
    width: 600px;
    height: auto;
    top: 0;
    left: 0;
  }
  .page-case-1 .main-box .case-box .vd video {
    display: block;
    width: 100%;
    height: auto;
  }
  .page-case-1 .main-box .case-box .txt {
    max-width: 320px;
  }
  .page-case-1 .main-box .case-box .txt h4 {
    font-size: 22px;
    text-align: left;
    line-height: 32px;
  }
  .page-case-1 .main-box .case-box .txt .des {
    font-size: 14px;
    margin: 25px 0 30px 0;
    line-height: 24px;
  }
  .page-case-1 .main-box .case-box .txt .more {
    position: relative;
    display: block;
    width: 120px;
    height: 38px;
    outline: 1px solid #282828;
    border: none;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    color: #282828;
    text-decoration: none;
    margin: 0;
  }
  .page-case-1 .main-box .case-box .txt .more span {
    width: 120px;
    height: 38px;
    position: relative;
    z-index: 2;
    -webkit-transition: color 0.4s;
    -moz-transition: color 0.4s;
    -ms-transition: color 0.4s;
    -o-transition: color 0.4s;
    transition: color 0.4s;
  }
  .page-case-1 .main-box .case-box .txt .more:after {
    position: absolute;
    width: 0;
    height: 40px;
    top: -1px;
    left: -1px;
    background: #c7000b;
    content: "";
    -webkit-transition: width 0.5s;
    -moz-transition: width 0.5s;
    -ms-transition: width 0.5s;
    -o-transition: width 0.5s;
    transition: width 0.5s;
  }
  .page-case-1 .main-box .case-box .txt .more:hover span {
    color: #fff;
  }
  .page-case-1 .main-box .case-box .txt .more:hover:after {
    width: 122px;
  }
}
@media (min-width: 769px) and (min-width: 800px) {
  .page-case-1 .main-box .case-box {
    padding: 120px 0 0 650px;
  }
}
@media (min-width: 769px) and (min-width: 900px) {
  .page-case-1 .main-box .case-box {
    padding: 120px 0 0 650px;
  }
}
@media (min-width: 769px) and (min-width: 1080px) {
  .page-case-1 .main-box .case-box {
    padding: 120px 0 0 700px;
  }
}
@media (min-width: 769px) and (min-width: 1180px) {
  .page-case-1 .main-box .case-box {
    padding: 120px 0 0 750px;
  }
}
.page-four-sec {
  width: 100%;
  height: 13.34rem;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.page-four-sec .mb-bg {
  position: absolute;
  width: 100%;
  height: 13.35rem;
  top: 0;
  left: 0;
}
.page-four-sec .bg,
.page-four-sec .bg-s,
.page-four-sec .bg-f {
  display: none;
}
.page-four-sec .main-box {
  width: 100%;
  height: 13.35rem;
  position: relative;
  z-index: 2;
}
.page-four-sec .main-box .sec-tit {
  position: relative;
  width: 6.7rem;
  margin: 0 auto;
  height: 3.5rem;
}
.page-four-sec .main-box .sec-tit h3 {
  position: absolute;
  font-size: 0.6rem;
  line-height: 0.9rem;
  width: 100%;
  left: 0;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  -o-transform: translate(0, -50%);
  transform: translate(0, -50%);
  font-weight: normal;
}
.page-four-sec .main-box .sec-tit h3 span {
  font-size: 0.3rem;
  display: block;
}
.page-four-sec .main-box .four-box {
  width: 6.7rem;
  margin: 0 auto;
}
.page-four-sec .main-box .four-box .f-cell {
  padding: 0.1rem 0;
  border-bottom: 2px solid #fff;
}
.page-four-sec .main-box .four-box .f-cell h4 {
  font-size: 0.4rem;
  line-height: 0.7rem;
  margin: 0.3rem 0;
}
.page-four-sec .main-box .four-box .f-cell h4.cur:after {
  display: none;
}
.page-four-sec .main-box .four-box .f-cell h4:after {
  display: inline-block;
  margin-left: 0.2rem;
  width: 0.21rem;
  height: 0.21rem;
  content: "";
  background-size: 100% 100%;
  background-image: url("https://www.hisilicon.com/Assets/corp/bciw/img/icon/add.png");
  vertical-align: 0.04rem;
}
.page-four-sec .main-box .four-box .f-cell p {
  font-size: 0.3rem;
  line-height: 0.42rem;
  padding-bottom: 0.3rem;
  display: none;
}
@media (min-width: 769px) {
  .page-four-sec {
    height: 647px;
    position: relative;
    overflow: hidden;
  }
  .page-four-sec .mb-bg {
    display: none;
  }
  .page-four-sec .bg-s {
    display: block;
    position: absolute;
    width: 1920px;
    height: 647px;
    top: 0;
    left: 50%;
    margin-left: -960px;
  }
  .page-four-sec .bg-s div {
    position: absolute;
    top: 0;
    height: 647px;
    opacity: 0;
    -webkit-transition: opacity 0.2s;
    -moz-transition: opacity 0.2s;
    -ms-transition: opacity 0.2s;
    -o-transition: opacity 0.2s;
    transition: opacity 0.2s;
  }
  .page-four-sec .bg-s div.cur,
  .page-four-sec .bg-s div:hover {
    opacity: 1;
  }
  .page-four-sec .bg {
    display: block;
    position: absolute;
    width: 1920px;
    height: 647px;
    top: 0;
    left: 50%;
    margin-left: -960px;
  }
  .page-four-sec .main-box {
    width: 97%;
    height: 647px;
    margin: 0 auto;
    max-width: 1180px;
    position: relative;
    overflow: hidden;
  }
  .page-four-sec .main-box .sec-tit {
    position: relative;
    width: 100%;
    max-width: 700px;
    height: 280px;
    z-index: 2;
    margin: 0;
  }
  .page-four-sec .main-box .sec-tit h3 {
    position: absolute;
    font-size: 34px;
    line-height: 40px;
  }
  .page-four-sec .main-box .sec-tit h3 span {
    font-size: 20px;
    line-height: 40px;
    margin-bottom: 30px;
  }
  .page-four-sec .main-box .four-box {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    margin: 0;
    padding-top: 340px;
  }
  .page-four-sec .main-box .four-box .f-cell {
    position: absolute;
    width: 25%;
    height: 100%;
    padding: 340px 0 40px 0;
    border-bottom: none;
    top: 0;
    color: #fff;
  }
  .page-four-sec .main-box .four-box .f-cell:hover .pos,
  .page-four-sec .main-box .four-box .f-cell.cur .pos {
    bottom: 135px;
  }
  .page-four-sec .main-box .four-box .f-cell .pos {
    position: absolute;
    width: 82%;
    left: 10%;
    bottom: 226px;
    -webkit-transition: bottom 0.3s;
    -moz-transition: bottom 0.3s;
    -ms-transition: bottom 0.3s;
    -o-transition: bottom 0.3s;
    transition: bottom 0.3s;
  }
  .page-four-sec .main-box .four-box .f-cell:nth-child(1) {
    left: 0;
    border-right: 1px solid #fff;
  }
  .page-four-sec .main-box .four-box .f-cell:nth-child(2) {
    left: 25%;
    border-right: 1px solid #fff;
  }
  .page-four-sec .main-box .four-box .f-cell:nth-child(3) {
    left: 50%;
    border-right: 1px solid #fff;
  }
  .page-four-sec .main-box .four-box .f-cell:nth-child(4) {
    left: 75%;
  }
  .page-four-sec .main-box .four-box .f-cell h4 {
    font-size: 18px;
    line-height: 2;
    margin: 0 0 20px 0;
  }
  .page-four-sec .main-box .four-box .f-cell h4:after {
    display: none;
  }
  .page-four-sec .main-box .four-box .f-cell p {
    font-size: 14px;
    line-height: 24px;
    padding-bottom: 0;
    display: none;
  }
}
.swiper-pagination.ie9 {
  position: absolute;
  width: 100%;
  text-align: center;
  height: 12px;
  left: 0;
  top: 610px;
  z-index: 10;
}
.swiper-pagination.ie9 span {
  display: inline-block;
  margin: 0 2px;
  width: 12px;
  height: 12px;
  vertical-align: top;
  background: #bbb;
  border-radius: 50%;
  cursor: pointer;
}
.swiper-pagination.ie9 span.cur {
  background: #fff;
}
.vd-tk-box {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.6);
}
.vd-tk-box .bg-cls {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}
.vd-tk-box .tk-main {
  position: absolute;
  z-index: 2;
  width: 7.5rem;
  left: 0;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  -o-transform: translate(0, -50%);
  transform: translate(0, -50%);
}
.vd-tk-box .tk-main a.cls-tk {
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  background-size: 60% 60%;
  background-image: url("https://www.hisilicon.com/Assets/corp/bciw/img/icon/close2.png");
  background-repeat: no-repeat;
  background-position: center;
  top: -0.5rem;
  right: 0;
  border: 1px solid #fff;
  box-sizing: border-box;
}
.vd-tk-box .tk-main video {
  display: block;
  width: 7.5rem;
  height: auto;
}
@media (min-width: 769px) {
  .vd-tk-box .tk-main {
    width: 80%;
    max-width: 1100px;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }
  .vd-tk-box .tk-main a.cls-tk {
    position: absolute;
    width: 30px;
    height: 30px;
    top: -15px;
    right: -15px;
    border: 1px solid #fff;
    box-sizing: border-box;
    border-radius: 50%;
    background-color: #000;
    z-index: 10;
  }
  .vd-tk-box .tk-main video {
    display: block;
    width: 100%;
    height: auto;
  }
}
@media (min-width: 992px) and (max-width: 1200px) {
    .page-four-sec .main-box .four-box .f-cell:hover .pos, .page-four-sec .main-box .four-box .f-cell.cur .pos {
        bottom: 55px;
    }
    .page-four-sec .main-box .four-box .f-cell p {
        line-height: 20px;
    }
}
@media (min-width: 768px) and (max-width: 992px) {
    .page-four-sec .main-box .sec-tit {
        max-width: 100% !important;
    }
}
@media (max-width:767px){
  .page-case-3 .main-box .case-list .case-cell .mb-case-pic,
  .page-case-3 .main-box .case-list .case-cell .mb-case-pic img{
    height: auto;
  }
}