.desy-about4 {
  padding: 80px 0;
  background: #F8F8F8;
}

@media screen and (max-width:1440px) {
  .desy-about4 {
    padding: 50px 0;
  }
}

@media screen and (max-width:991px) {
  .desy-about4 {
    padding: 30px 0;
  }
}


.desy-about4 ul li {
  display: -webkit-flex;
  display: flex;
  justify-content: space-between;
}

.desy-about4 ul li+li {
  margin-top: 70px;
}

.desy-about4 ul li .pic {
  width: 48%;
  display: block;
  overflow: hidden;
  position: relative;
}

.desy-about4 ul li .pic img {
  display: block;
  width: 100%;
  transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
  position: relative;
}
.desy-about4 ul li .pic .t{
  position:absolute;
  top: 0px;
  bottom: 0;
  z-index: 9999;
  padding: 50px;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-direction: column;
  flex-direction: column;
  text-align: center;
}
.desy-about4 ul li .t h5 {
  font-size: clamp(20px, 1.4vw, 26px);
  color: #fff;
  font-weight: bold;
}

.desy-about4 ul li .t p {
  font-size: clamp(14px, 0.95vw, 18px);
  color: #fff;
  line-height: 1.5;
  margin: 25px 0 0;
}
.desy-about4 ul li .txt {
  overflow: hidden;
  box-sizing: border-box;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-flex-direction: column;
  flex-direction: column;
  width: 48%;
  background: #000;
  padding: 50px;
  text-align: center;
}

.desy-about4 ul li .txt h5 {
  font-size: clamp(20px, 1.4vw, 26px);
  color: #fff;
  font-weight: bold;
}

.desy-about4 ul li .txt p {
  font-size: clamp(14px, 0.95vw, 18px);
  color: #fff;
  line-height: 2;
  margin: 25px 0 0;
}

.desy-about4 ul li:nth-child(2n+1) {
  -webkit-flex-direction: row-reverse;
  flex-direction: row-reverse;
}

.desy-about4 ul li:nth-child(2n+1) .txt {
}

.desy-about4 ul li .pic:hover img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
}

@media screen and (max-width:1400px) {


  .desy-about4 ul li .txt p {
    line-height: 1.6;
    margin: 20px 0 0;
  }
}

@media screen and (max-width:991px) {


  .desy-about4 ul li {
    -webkit-flex-direction: column;
    flex-direction: column;
  }

  .desy-about4 ul li+li {
    margin-top: 20px;
  }

  .desy-about4 ul li .pic {
    width: 100%;
    text-align: center;
  }

  .desy-about4 ul li .txt {
    margin: 20px 0 0;
    border-bottom: none;
    width: 100%;
  }

  .desy-about4 ul li .txt h5 {
    text-align: center;
  }

  .desy-about4 ul li .txt p {
    line-height: 1.4;
    margin: 15px 0 0;
  }

  .desy-about4 ul li .t p{
    line-height: 1.4;
    margin: 15px 0 0;
  }

  .desy-about4 ul li:nth-child(2n+1) {
    -webkit-flex-direction: column;
    flex-direction: column;
  }

  .desy-about4 ul li:nth-child(2n+1) .txt {
    margin: 20px 0 0;
  }
  .desy-about4 ul li .pic .t {
    width: 100%;
  }
}