/* 工厂区域 */
.about-us-pic .container .big-pic img {
  height: 590px;
  background-color: rgb(19, 43, 43);
  margin-top: 50px;
}

.about-us-pic .container h5 {
  margin: 20px 0;
}

/* .about-us-pic .about-us-small-pic1 {
  margin-bottom: 20px;
} */

.about-us-pic .about-us-small-pic1 .row .pic-1 {
  margin-bottom: 20px;

}

@media (max-width:1200px) {
  .about-us-pic .container .big-pic img {
    height: 500px;

  }
}

@media (max-width:992px) {
  .about-us-pic .container .big-pic img {
    height: 450px;

  }
}

@media (max-width:768px) {
  .about-us-pic .container .big-pic img {
    height: 300px;

  }
}

@media (max-width:576px) {
  .about-us-pic .container .big-pic img {
    height: 250px;

  }
}