.section1 {
  background-image: url(/Upload/images/aboutUs/st1-1.jpg);
  background-position: center center;
  background-repeat: no-repeat;
  position: relative;
  height: calc(100vh - 268px);
  background-size: 100%;
  animation: scalcback 5s ease-in-out 1 forwards;
}
@keyframes scalcback {
  0% {
    background-size: 100%;
  }
  100% {
    background-size: 110%;
  }
}
.section1-con {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
}
.section1-con-title1 {
  color: #0068fb;
  font-size: 40px;
  font-weight: 700;
}
.section1-con-title2 {
  font-size: 24px;
  margin-top: 20px;
  text-transform: uppercase;
}
.section1-con-title3 {
  margin-top: 40px;
  line-height: 28px;
  font-size: 16px;
  width: 50%;
}
@media screen and (max-width: 1200px) {
  .section1 {
    height: calc(100vh - 228px);
    background-size: cover;
    animation:none;
  }
  .section1-con-title3{
      width: 100%;
  }
  .section1-con-title1 {
    font-size: 24px;
}
.section1-con-title2 {
    font-size: 14px;
    margin-top: 10px;
}
.section1-con-title3 {
    margin-top: 20px;
    line-height: 26px;
    font-size: 14px;
    width: 100%;
    color: #666;
}
}