html {
  font-size: 14px;
}
@media (min-width: 992px) {
  .navbar-expand-lg .navbar-nav .nav-link {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}
.product-row {
  margin-top: 1rem;
}
.product-row .card {
  border: 1px solid #e6e6e6;
  border-radius: 0;
}
.product-row .card .list-group-item {
  margin-bottom: 0;
  border: 0;
  border-bottom: 1px solid #e6e6e6;
  padding: 0.5rem 1.25rem;
}
.block-title {
  text-align: center;
  margin-top: 1rem;
}
.app-footer {
  background-color: #333;
  color: #eee;
  padding: 5rem 0;
}
.app-footer .copyright {
  text-align: center;
}
.app-footer .beian {
  margin-bottom: 0;
  text-align: center;
}
.science-page .science-card {
  margin-top: 3rem;
  margin-bottom: 3rem;
}
.science-page .science-card .science-form {
  margin-top: 3rem;
  margin-bottom: 3rem;
}
.we-page .we-content .card {
  border: 0;
}
.we-page .we-content .card .card-text.intro {
  line-height: 2.5;
}
.contact-page .contact-content .card {
  border: 0;
}
.contact-page .contact-content .card .card-text.intro {
  line-height: 2.5;
}
.index-page .we-content .card {
  border: 0;
}
.index-page .we-content .card .card-text.intro {
  line-height: 2.5;
}
/*# sourceMappingURL=app.css.map */

.div-relative{position:relative;} 
.div-a{ position:absolute; left:220px; bottom:70px; height:120px;} 
/* css注释说明： 背景为红色 */ 
.div-b{ position:absolute; left:390px; bottom:70px; height:120px;} 

.about-us{
  color:#183E76;
  font-weight: 800;
}

.about-content{
  color:#183E76;
  font-size: large;
  font-weight: 600;
}

.about-content-item{
  color:#222;
  font-size: medium;
  font-weight: 600;
}