.background_solution {
  background: url(../images/solution.png) no-repeat center top;
  background-size: cover;
}

.first_floor {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  height: 388px;
}

.product_picture {
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.product_picture img {
  width: 100%;
  height: 100%;
  transition: all .5s;
}

.product_picture img:hover {
  transform: scale(1.1);

}

.product_desc {
  width: 50%;
  height: 100%;
  background-color: #F7F7F7;
  padding: 1%;
  box-sizing: border-box;
}

.product_name {
  font-size: 32px;
  font-weight: bold;
}

.second_floor {
  width: 100%;
  margin-top: 30px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  flex-wrap: wrap;
}

.second_floor::after {
  content: '';
  width: 30%;
  height: 0;
  visibility: hidden;
}

.list_top {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.solution_list {
  position: relative;
  width: 30%;
  height: 260px;
  display: flex;
  flex-direction: column;
  position: relative;
  margin-bottom: 15px;
  cursor: pointer;
}

.solution_list:after {
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  width: 0;
  height: 3px;
  background-color: #53C700;
  transition: all .5s;
}
.solution_list:hover img {
  transform: scale(1.2);
}
.solution_list:hover:after {
  width: 100%;
}

.solution_list img {
  width: 100%;
  height: 100%;
  transition: all .5s;
}

.solution_name {
  font-size: 16px;
  font-weight: bold;
  color: #fff;
}

.solution_desc {
  color: #fff;
  font-size: 14px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list_bottom {
  position: absolute;
  bottom: 0;
  padding: 2% 3%;
  box-sizing: border-box;
  width: 100%;
  height: 80px;
  background: rgba(0, 0, 0, .4);
  overflow: hidden;
}