.banner-container {
  height: 600px;
  background: url('../image/company_banner.png') no-repeat;
  background-size: cover;
  font-size: 48px;
  color: #fff;
  font-style: italic;
}
.word-content {
  height: 88px;
  margin-top: -44px;
  background: #ffffff;
  box-shadow: 6px 6px 20px 0px rgba(0,167,229,0.08);
}
.word-item {
  position: relative;
}
.word-item::after {
  display: inline-block;
  content: '';
  height: 20px;
  width: 2px;
  background-color: #00a7e5;
  position: absolute;
  right: 0;
  opacity: 0.2;
}
.word-upper {
  font-size: 24px;
  margin-right: 4px;
  color: #f3a852;
}
.product-item {
  height: 450px;
  background: #ffffff;
  box-shadow: 0px 6px 20px 0px rgba(0,152,209,0.08); 
}
.product-item img {
  height: 262px;
  width: 100%;
}
.product-desc {
  padding: 20px;
}
.product-desc_content {
  color: #666;
}
.cert-item {
  height: 370px;
  padding: 20px;
  background-color: #fff;
  box-shadow: 0px 6px 20px 0px rgba(0,167,229,0.08); 
}
.cert-item .image-container {
  margin-bottom: 20px;
}
.cert-item img {
  width: 100%;
  height: 283px;
}
.cert-item .cert-desc{
  color: #666;
}

.contact-btn {
  width: 150px;
  height: 54px;
  background: #ffffff;
  color: #00a7e5;
  margin-top: 20px;
}
.client-img img {
  border: 1px solid #dfdfdf;
  box-shadow: 3px 3px 10px 0px rgba(0,152,209,0.10); 
}
.history-container {
  background-image: url('../image/history_bg.png');
  background-size: cover;
}
@media screen and (max-width: 992px) {
  .banner-container {
    height: 400px !important;
  }
  .word-content {
    height: 60px;
  }
  .contact-btn {
    width: 130px;
    height: 30px;
  }
}