.content {
  background-image: url(../image/common/about_bg01.png);
  background-repeat: no-repeat;
  background-position: 0 54px;
}

/* first */
.first-section {
  padding-top: 170px;
  padding-bottom: 350px;
  background-image: url(../image/common/about_bg02.png);
  background-repeat: no-repeat;
  background-position: 80% 360px;
}

.first-shade {
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  z-index: 7;
}

.first-shade:after {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  content: ' ';
  background: -webkit-linear-gradient(315deg, #3452ff 0%, #5d17ff 100%);
  background: linear-gradient(135deg, #3452ff 0%, #5d17ff 100%);
  opacity: 0.8;
}

.first-shade img {
  display: block;
  width: 100%;
}

.first-video {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  overflow: hidden;
}

.first-shape {
  position: absolute;
  top: auto;
  bottom: 0;
  z-index: 8;
  left: 0;
  right: 0;
  width: 100%;
  height: 250px;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
}

.first-shape > svg {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 100%;
  -webkit-filter: blur(0.5px);
          filter: blur(0.5px);
}

.first-play {
  position: relative;
  z-index: 9;
  width: 778px;
  height: 518px;
  margin: 0 auto;
  border-radius: 10px;
  overflow: hidden;
  -webkit-box-shadow: 0 60px 135px rgba(0, 0, 0, 0.14), 0 15px 65px rgba(0, 0, 0, 0.14);
          box-shadow: 0 60px 135px rgba(0, 0, 0, 0.14), 0 15px 65px rgba(0, 0, 0, 0.14);
}

.first-play-box {
  cursor: pointer;
}

.first-play-box > img {
  display: block;
  width: 100%;
  height: 100%;
  -webkit-transition: all 0.7s cubic-bezier(0.2, 1, 0.22, 1);
  transition: all 0.7s cubic-bezier(0.2, 1, 0.22, 1);
}

.first-play-box:hover > img {
  -webkit-transform: scale(1.14);
          transform: scale(1.14);
}

.first-play-btn {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  -webkit-transform-origin: 50% 50%;
          transform-origin: 50% 50%;
}

.play {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  color: #fff;
  background-color: #3452ff;
  opacity: 0.8;
  -webkit-box-shadow: 0px 20px 45px rgba(0, 0, 0, 0.25);
          box-shadow: 0px 20px 45px rgba(0, 0, 0, 0.25);
}

.play > svg {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  margin-left: 2px;
}

.first-txt {
  position: relative;
  z-index: 9;
  width: 70%;
  margin: 0 auto;
  color: #fff;
  text-align: center;
  font-weight: 700;
}

.first-txt h1 {
  margin: 20px 0;
  background-image: -webkit-linear-gradient(top left, #3452ff, #23e5f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #3452ff;
  font-size: 42px;
  line-height: 80px;
}

.first-txt h2 {
  color: #000;
  font-size: 16px;
  line-height: 40px;
  font-weight: 400;
}

.first-btn {
  display: inline-block;
  margin: 25px 0 85px 0;
  padding: 13px 35px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 200px;
  background-color: transparent;
  color: #fff;
  font-size: 14px;
  line-height: 20px;
  text-decoration: none;
  font-weight: 400;
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
}

.first-btn:hover {
  color: #000;
  background-color: #fff;
  border-color: #fff;
  -webkit-transform: translateY(-3px);
          transform: translateY(-3px);
  -webkit-box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
          box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
}

/* second */
.section-right {
  float: right;
  pointer-events: none;
  margin-left: -30px;
  margin-right: -30px;
  height: 500px;
}

.section-right img {
  display: block;
  width: 100%;
  height: 100%;
}

.section-left {
  position: absolute;
  top: -50%;
  left: 0;
  width: 48%;
}

.second-txt {
  position: relative;
  width: 100%;
  padding: 120px 72px;
  font-family: "Arial","Microsoft YaHei";
  background: -webkit-linear-gradient(315deg, #3452ff 0%, #23e5f1 100%);
  background: linear-gradient(135deg, #3452ff 0%, #23e5f1 100%);
}

.second-txt > p {
  position: relative;
  color: #fff;
  font-size: 18px;
  line-height: 40px;
}

.second-txt-tit {
  position: absolute;
  top: -30px;
  left: 0;
  color: #fff;
  font-size: 80px;
}

.second-btn {
  display: inline-block;
  margin: 35px 0 10px 0;
}

.section-more {
  position: relative;
  display: inline-block;
  padding: 13px 44px 13px 46px;
  border: 2px solid #677dff;
  border-radius: 200px;
  text-decoration: none;
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
}

.section-more span {
  display: inline-block;
  color: #677dff;
  -webkit-transform: translateX(-18px);
          transform: translateX(-18px);
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
}

.section-more .icon-button-arrow {
  display: inline-block;
  position: absolute;
  top: 50%;
  right: 14px;
  -webkit-transform: translateY(-50%) translateX(6px);
          transform: translateY(-50%) translateX(6px);
  width: 32px;
  height: 32px;
  text-align: center;
  vertical-align: middle;
  border-radius: 50%;
  background-color: #3452ff;
  -webkit-box-shadow: rgba(52, 82, 255, 0.24) 0px 8px 15px;
          box-shadow: rgba(52, 82, 255, 0.24) 0px 8px 15px;
  color: #fff;
  line-height: 32px;
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.33, 1);
}

.section-more:hover {
  -webkit-box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
          box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
  background-color: #677dff;
  -webkit-transform: translateY(-3px);
          transform: translateY(-3px);
}

.section-more:hover span {
  color: #fff;
}

.section-more:hover .icon-button-arrow {
  background-color: rgba(255, 255, 255, 0.22);
}

.using-image-box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.using-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1100px;
  background-image: url(../image/common/about_img01.png);
  background-position: center;
  background-size: cover;
}

.using-image.translate {
  top: auto;
  bottom: 0;
}

/* third */
.third-section {
  margin-top: 160px;
}

.third-section .row {
  padding: 20px 0;
  overflow: hidden;
}

.col-25 {
  width: 25%;
}

.parallax-wrap {
  position: relative;
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.2, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.2, 1);
}

.parallax-wrap:hover {
  -webkit-transform: scale(1.06);
          transform: scale(1.06);
  z-index: 2;
}

.parallax-wrap:hover .parallaxTxt {
  opacity: 1;
  background-color: rgba(40, 40, 40, 0);
}

.parallaxTxt {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #282828;
  opacity: .65;
  -webkit-transition: all 0.45s cubic-bezier(0.25, 1, 0.2, 1);
  transition: all 0.45s cubic-bezier(0.25, 1, 0.2, 1);
}

.parallaxImg img {
  display: block;
  width: 100%;
}

.parallaxTxt {
  padding-top: 30%;
  color: #fff;
  text-align: center;
}

.parallaxTxt p {
  font-family: "Arial","Microsoft YaHei";
  font-size: 46px;
  line-height: 60px;
  font-weight: 700;
}

.parallaxTxt-icon {
  display: inline-block;
  width: 70px;
  height: 70px;
}

.parallaxTxt-icon1 {
  background: url(../image/index/home_four_icon01_s.png) no-repeat center center;
}

.parallaxTxt-icon2 {
  background: url(../image/index/home_four_icon02_s.png) no-repeat center center;
}

.parallaxTxt-icon3 {
  background: url(../image/index/home_four_icon03_s.png) no-repeat center center;
}

.parallaxTxt-icon4 {
  background: url(../image/index/home_four_icon04_s.png) no-repeat center center;
}

/* fourth */
.fourth-section .row {
  margin-top: 200px;
}

.col-3 {
  width: 33.33%;
}

.num-box {
  width: 350px;
  height: 250px;
  border-radius: 8px;
  margin: 0 auto;
  padding-top: 50px;
  color: #333;
  text-align: center;
  -webkit-transition: all 0.2s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.2s cubic-bezier(0.25, 1, 0.33, 1);
}

.num-box:hover {
  color: #fff;
  background: -webkit-linear-gradient(315deg, #3452ff 0%, #23e5f1 100%);
  background: linear-gradient(135deg, #3452ff 0%, #23e5f1 100%);
  -webkit-box-shadow: 0 15px 65px rgba(35, 229, 241, 0.33);
          box-shadow: 0 15px 65px rgba(35, 229, 241, 0.33);
}

.num-big {
  font-family: "Arial","Microsoft YaHei";
  font-size: 86px;
  line-height: 120px;
  font-weight: 700;
}

.num-big > h2,
.num-big > div {
  display: inline-block;
}

.num-big .num-symbol {
  position: absolute;
  font-size: 42px;
  line-height: 50px;
}

.num-small {
  font-size: 16px;
}

/* fifth */
.fifth-section {
  width: 100%;
  overflow: hidden;
}

.fifth-box {
  padding-bottom: 30px;
}

.fifth-tit {
  margin: 100px 0 50px 0;
  font-size: 36px;
  line-height: 50px;
  text-align: center;
}

.fifth-txt {
  position: absolute;
  top: 160px;
  width: 30%;
  font-size: 16px;
  line-height: 34px;
}

.fifth-txt h4 {
  font-size: 22px;
  line-height: 50px;
}

.fifth-slider {
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  width: 100%;
  margin-left: 34%;
}

.fifth-slider.is-dragging {
  pointer-events: none;
  cursor: -webkit-grabbing;
  cursor: grabbing;
}

.fifth-slider .carousel-cell {
  width: 31.9%;
  margin-right: 30px;
  padding: 2px;
}

.fifth-slider .inner-wrap-outer {
  -webkit-transform-style: preserve-3d;
          transform-style: preserve-3d;
}

.fifth-slider .inner-wrap {
  position: relative;
  height: 340px;
  padding: 30px 40px;
  background-color: white;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  line-height: 20px;
}

.carousel-icon {
  position: absolute;
  bottom: 30px;
  left: 30px;
}

.carousel-icon p {
  padding-left: 85px;
  font-size: 18px;
  line-height: 50px;
  font-weight: 700;
}

.carousel-icon-time {
  position: absolute;
  width: 50px;
  height: 50px;
  background-color: #bfbfbf;
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  line-height: 50px;
  text-align: center;
}

.carousel-icon-time:after {
  position: absolute;
  top: 25px;
  right: -24px;
  content: "";
  width: 10px;
  height: 1px;
  background-color: #bbbbbb;
}

.is-selected .carousel-icon-time {
  background-color: #3452ff;
}

.flickity-page-dots {
  margin-left: -34%;
}

.flickity-page-dots .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #a6a6a6;
  opacity: 1;
  vertical-align: middle;
  -webkit-transition: all 0.2s cubic-bezier(0.25, 1, 0.33, 1);
  transition: all 0.2s cubic-bezier(0.25, 1, 0.33, 1);
}

.flickity-page-dots .dot.is-selected {
  width: 12px;
  height: 12px;
  border: 2px solid #000;
  background-color: #fff;
}

@media screen and (min-width: 1367px) and (max-width: 1600px) {
  .first-txt {
    width: 80%;
  }
}

@media screen and (max-width: 1440px) {
  .first-section {
    padding-top: 100px;
    padding-bottom: 250px;
  }
  .first-txt {
    width: 100%;
    -webkit-transform-origin: 50% 0;
            transform-origin: 50% 0;
    -webkit-transform: scale(0.75);
            transform: scale(0.75);
  }
  .second-section .row,
  .fifth-section .row {
    -webkit-transform-origin: 50% 0;
            transform-origin: 50% 0;
    -webkit-transform: scale(0.8);
            transform: scale(0.8);
  }
  .fifth-tit {
    margin-top: 50px;
  }
  .fifth-box {
    padding-bottom: 50px;
  }
}

/* sixth */
/* seventh */
/* foot */