.desy-about2 {
  padding: 25px 0;
}

.desy-about2 .box {
  display: -webkit-flex;
  display: flex;
}

.desy-about2 .pic {
  width: 59%;
  display: block;
  overflow: hidden;
}

.desy-about2 .v {
  width: 100%;
  position: relative;
  display: block;
}

.desy-about2 .v>img {
  display: block;
  width: 100%;
  transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
}

.desy-about2 .v:hover>img {
  transform: scale(1.01);
  -webkit-transform: scale(1.01);
}

.desy-about2 .v .play {
  position: absolute;
  z-index: 10;
  left: calc(50% - 44px);
  top: calc(50% - 44px);
  width: 88px;
  height: 88px;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-align-items: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
}

.desy-about2 .v .play::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  animation: scale2 2s linear infinite;
}

.desy-about2 .v:hover::after {
  opacity: 1;
}

.desy-about2 .pic p {
  font-size: 24px;
  color: #333;
  margin: 180px 0 0;
  text-align: center;
  font-weight: bold;
}

.desy-about2 .pic p a {
  text-decoration: underline;
}

.desy-about2 .txt {
  -webkit-flex: 1;
  flex: 1;
  padding: 60px 80px 0;
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;
}

.desy-about2 .txt h3 {
  font-size: 34px;
  color: var(--title-text-color);
  line-height: 1;
  font-weight: 700;
}

.desy-about2 .txt p {
  margin-top: 20px;
  font-size: 20px;
  color: #666;
  line-height: 40px;
}

.desy-about2 .txt .more {
  margin: 50px auto 0;
  color: #fff;
  font-size: 15px;
  width: 184px;
  height: 45px;
  line-height: 45px;
  border-radius: 25px;
  background: var(--color-primary);
  display: inline-block;
  text-align: center;
}

.desy-about2 .txt .more:hover {
  background: var(--color-second);
}

.desy-about2 .list {
  margin-top: -150px;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}

.desy-about2 .list .view {
  width: 460px;
  position: relative;
}

.desy-about2 .list .view .arrow-left,
.desy-about2 .list .view .arrow-right {
  background: rgba(0, 0, 0, 0.3);
  position: absolute;
  top: 50%;
  margin-top: -25px;
  width: 28px;
  height: 50px;
  z-index: 10;
  text-align: center;
}

.desy-about2 .list .view .arrow-left {
  left: 0;
}

.desy-about2 .list .view .arrow-right {
  right: 0;
}

.desy-about2 .list .view .arrow-left i,
.desy-about2 .list .view .arrow-right i {
  color: #fff;
  font-size: 15px;
  line-height: 50px;
}

.desy-about2 .list .preview {
  width: 58%;
  overflow: hidden;
}

.desy-about2 .list .preview .swiper-slide {
  cursor: pointer;
  display: inline-block;
  box-sizing: border-box;
  position: relative;
}

.desy-about2 .list .preview .swiper-slide::after {
  display: none;
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.desy-about2 .list .preview .swiper-slide .pic {
  position: relative;
}

.desy-about2 .list .preview .swiper-slide img {
  width: 100%;
}

.desy-about2 .list .preview .swiper-slide.active-nav::after {
  display: block;
}

@media screen and (max-width:1400px) {
  .desy-about2 .txt h3 {
    font-size: 32px;
  }

  .desy-about2 {
    padding: 0;
  }
}

@media screen and (max-width:1200px) {
  .desy-about2 .list {
    margin-top: -120px;
  }

  .desy-about2 .list .view {
    width: 400px;
    margin-right: 20px;
  }
}

@media screen and (max-width:992px) {
  .desy-about2 .txt h3 {
    font-size: 28px;
  }

  .desy-about2 {
    padding: 0;
  }

  .desy-about2 .box {
    -webkit-flex-direction: column;
    flex-direction: column;
  }

  .desy-about2 .pic {
    width: 100%;
    display: block;
    overflow: hidden;
  }

  .desy-about2 .txt {
    padding: 0 10px 20px;
  }

  .desy-about2 .txt p {
    margin-top: 15px;
    font-size: 16px;
    line-height: 24px;
  }

  .desy-about2 .txt .more {
    margin: 20px auto 0;
    font-size: 15px;
    width: 140px;
    height: 36px;
    line-height: 36px;
  }

  .desy-about2 .list {
    width: 460px;
    margin: 20px auto 0;
    display: block;
  }

  .desy-about2 .list .view {
    width: 100%;
    margin: 0 auto;
  }

  .desy-about2 .list .preview {
    width: 100%;
    margin: 20px 0 0;
  }

  .desy-about2 .v .play {
    left: calc(50% - 30px);
    top: calc(50% - 30px);
    width: 60px;
    height: 60px;
  }
}

@media screen and (max-width:600px) {
  .desy-about2 .txt h3 {
    font-size: 25px;
  }

  .desy-about2 .list {
    width: 100%;
  }
}

@media screen and (max-width:480px) {
  .desy-about2 .txt h3 {
    font-size: 24px;
  }
}