.desy-about4 {
  padding: 120px 0;
}
.desy-about4 h3{
  font-size:clamp(24px, 2.5vw, 48px);
  font-family: 'Roboto';
  text-align: center;
  line-height: 1;
}
.desy-about4 p{
  margin: 25px auto;
  max-width: 1200px;
  color: #333;
  font-size:clamp(14px, 0.95vw, 18px);
  font-weight:100;
  text-align: center;

}
.desy-about4 ul{margin-top:50px}
.desy-about4 ul li {
  position: relative;
  display: -webkit-flex;
  display: flex;
}

.desy-about4 ul li+li {
  margin-top: 140px;
}

.desy-about4 ul li .pic {
  width: 64%;
  display: block;
  overflow: hidden;
}

.desy-about4 ul li .pic img {
  display: block;
  width: 100%;
  transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
}

.desy-about4 ul li .txt {
  height: 100%;
  width: 46%;
  top: 14%;
  background: #F7F7F7;
  left: -4%;
  position: absolute;
  padding: 20px;
  border-top: 5px solid #00A77B;
  overflow: hidden;
  box-sizing: border-box;
}

.desy-about4 ul li .txt h5 {
  font-size: clamp(18px, 1.4vw, 26px);
  color: #333;
  font-weight: bold;
}

.desy-about4 ul li .txt p {
  text-align: left;
  font-size: clamp(14px, 0.95vw, 18px);
  color: #666;
  margin: 25px 0 0;
}

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

.desy-about4 ul li:nth-child(2n+1) .txt {
  height: 100%;
  width: 46%;
  top: 14%;
  position: absolute;
  background: #F7F7F7;
  left: 60%;
}

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

@media screen and (max-width:1400px) {
  .desy-about4 {
    padding: 90px 0;
  }

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

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

  .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;
  }

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

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

}