body {
  background: #fff;
}
/* 头部 */
.header-section {
  background: #fff;
}
/* banner */
.banner-section {
  padding-top: 72px;
  height: 360px;
  background: url("/templates/website/images/case/case-img1.png") no-repeat;
  background-size: 100% 100%;
}
.banner-section .title {
  color: #222;
  text-align: justify;
  font-size: 40px;
  font-style: normal;
  font-weight: 600;
}
.banner-section .info {
  margin-top: 40px;
  color: #222;
  text-align: justify;

  font-size: 30px;
  font-style: normal;
  font-weight: 300;
}
.section {
  min-height: calc(100vh - 450px - 72px - 360px);
}
.section .section-header {
  display: flex;
  align-items: center;
  height: 140px;
  padding-top: 0;
  margin-bottom: 40px;
}
.section .header-title .title {
  color: #222;
}

.case-content {
  display: flex;
  justify-content: space-between;
  width: 1280px;
  margin: 0 auto;
  padding-bottom: 40px;
}
.case-content .left {
  position: relative;
  width: 400px;
  height: auto;
  margin-right: 40px;
  z-index: 9;
  overflow: auto;
}

.case-content .left .right {
  display: none;
}

.case-content .left .li {
  position: relative;
  display: flex;
  align-items: center;
  height: 60px;
  font-weight: 400;
  color: #222222;
  font-size: 20px;
  cursor: pointer;
  border-bottom: 1px solid #ddd;
}

.case-content .left .li::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: block;
  width: 16px;
  height: 16px;
  background: url("/templates/website/images/index/arrow-right.svg");
}

.case-content .left .active,
.case-content .left .li:hover {
  padding: 0 20px;
  color: #004ec3;
  font-size: 20px;
  font-style: normal;
  font-weight: 550;
  border: 1px solid rgba(22, 100, 255, 0.5);
  background: linear-gradient(91deg, #e1ecff 0%, #f1f6ff 100%);
  /* 卡片投影 */
  box-shadow: 0px 4px 12px 0px rgba(22, 100, 255, 0.12);
}

.case-content .left .active::after,
.case-content .left .li:hover::after {
  content: "";
  display: none;
}

.case-content .left .active::before,
.case-content .left .li:hover::before {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  background: url("/templates/website/images/index/arrow-right-active.svg");
}
.case-content .right .content {
  display: none;
  flex-wrap: wrap;
}
.case-content .right .active {
  display: flex;
}
.case-content .right {
  flex: 1;
}
.case-content .right .content .card {
  width: 400px;
  height: 289px;
  border: 1px solid #e1e1e1;
  background: #fff;
  margin-bottom: 30px;
  overflow: hidden;
  cursor: pointer;
}
.case-content .right .content .card:hover img {
  transform: scale(1.03);
}
.case-content .right .content .card:hover .bottom {
  color: #004ec3;
}
.case-content .right .content .card:nth-child(2n + 1) {
  margin-right: 40px;
}
.case-content .right .content .card img {
  width: 400px;
  height: 225px;
}
.case-content .right .content .card .bottom {
  padding: 20px;
  color: #222;
  text-align: justify;
  font-size: 16px;
  font-style: normal;
  font-weight: 550;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  /* line-height: 24px; */
}