#header {
  background: url('/images/banner-bg-1.png') no-repeat;
  background-size: 100% 100%;
}

.header_banner_img img {
  width: 685px;
}

#main {
  overflow: hidden;
}

.product_intduc_main {
  background: transparent;
}
.product_intduc_main img {
  width: 100%;
}

.Large_architecture_tab {
  display: flex;
  border-bottom: 1px solid #dbdcdd;
  justify-content: space-around;
  cursor: pointer;
  margin-bottom: 0.475rem;
}

.Large_architecture_tab div {
  padding: 0.2rem 0;
  text-align: center;
  color: #666666;
  font-size: 0.2rem;
}

.Large_architecture_tab div.active {
  font-weight: bold;
  color: var(--primary);
  border-bottom: 5px solid var(--primary);
}

.Large_architecture_main .left h1 {
  margin: 50px 0 0.4rem 0;
  font-size: 0.35rem;
}

.Large_architecture_main .left p {
  color: var(--text-primary-light-1);
  font-size: 0.225rem;
  margin-bottom: 0.4625rem;
  margin-right: 0.125rem;
}

.Large_architecture_main .left > ul li {
  margin-bottom: 0.3rem;
}

.Large_architecture_main .left > ul li > img {
  width: 0.25rem;
  height: 0.225rem;
  margin-right: 0.2rem;
}

.Large_architecture_main .left > ul li > span {
  font-size: 17px;
}

.Large_architecture_main .right {
  position: relative;
  margin-top: 0.4rem;
}

.Large_architecture_main .right img {
  width: 100%;
}

.Large_architecture_main .right > img:last-child {
  position: absolute;
  bottom: 0;
  left: 0;
}

.knowledge_system_content {
  background: url('/images/main-bg-1.png') no-repeat;
  background-size: 100% 100%;
  padding-bottom: 0.895rem;
}

.successful_case {
  margin-top: 0;
  padding-bottom: 0.895rem;
}

.core_function {
  background: #f7f9fb;
}

.successful_case_list ul li > div p {
  height: 32px;
  display: -webkit-box;
  -webkit-line-clamp: 2!important;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.successful_case_nav ul li {
  width: calc(100% / 3 - 0.25rem);
}
.successful_case_nav ul li > img{
  height: 2.6rem;
}

@media screen and (min-width: 2000px) {
  .header_banner_img img {
    width: 790px;
  }
}

@media screen and (min-width: 1920px) {
  .list_conter > img {
    margin-top: 50px;
  }
}

@media screen and (min-width: 1600px) {
  .successful_case_list ul li > div p {
    min-height: 38px;
  }
}
@media screen and (max-width: 1400px) {
  .header_banner_img img {
    width: 530px;
    height: auto;
  }
}