.pic{
  width: 100%;
  height: 550px;
}
.pic img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-products{
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: -50px;
  height: 100px;
  padding: 0 46px;
  box-sizing: border-box;
  box-shadow:0px 0px 12px 0px rgba(21,6,10,0.1);
  background: #fff;
}
.about-products h4{
  font-size: 24px;
  margin-bottom: 12px;
  font-weight: 400;
}
.about-products span{
  font-size: 16px;
  text-transform: uppercase;
  color: #888;
}

.history{
  padding: 56px 0 100px;
}
.history ul{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.history ul li{
  position: relative;
  width: 440px;
  height: 300px;
  display: inline-block;
  margin-bottom: 40px;
  overflow: hidden;
}
.history ul li:not(:nth-of-type(3n)){
  margin-right: 40px;
}
.history ul li img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .3s;
}
.history ul li img:hover{
  transform: scale(1.2);
}
.history li div{
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  padding: 0 20px;
  box-sizing: border-box;
  border-bottom: 3px solid #25CAD3;
  background: rgba(255,255,255,0.9);
}
.history li div i{
  font-size: 22px;
  color: #565656;
}