/* 顶部横幅 */
.about-banner {
  background-image: url('../img/pc/about-banner.png');
  background-size: cover;
  background-position: center;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.about-banner .container {
  color: #fff;
}

.about-banner .container p {
  width: 50%;
  font-size: 18px;
  margin-top: 1.5rem;
}

/* 关于我们 */
.about-wrap {
  background-color: #315ad0;
  min-height: 30rem;
  position: relative;
  overflow: hidden;
}

.about-wrap h2 {
  position: relative;
  margin-bottom: 2rem;
}

.about-wrap h2 .line {
  position: absolute;
  height: 4px;
  width: 3rem;
  background-color: #315ad0;
  left: 0;
  bottom: -0.7rem;
}

.about-wrap .left-box {
  position: absolute;
  background-color: #fff;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
}

.about-wrap .about-box {
  padding: 5rem 0;
  width: 50%;
  background-color: #fff;
  padding-right: 10rem;
}

.about-wrap .statistics {
  gap: 5rem;
  display: flex;
  align-items: center;
  margin-top: 3rem;
}

.about-wrap .statistics strong {
  color: #315ad0;
  font-size: 30px;
}

.about-wrap .statistics span {
  color: #666;
}

.about-wrap .img-box {
  position: absolute;
  width: 520px;
  left: 50%;
  bottom: -7px;
  margin-left: -5rem;
}

.m-about-wrap {
  position: relative;
  padding-top: 3rem;
  padding-bottom: 3rem;
  min-height: 10rem;
  background-color: #EDF2FB;
}

.m-about-wrap h2 {
  margin-bottom: 2rem;
}

.m-about-wrap .bg {
  position: absolute;
  z-index: 0;
  left: 0;
  bottom: 0;
  background-color: #3C6EF1;
  width: 100%;
  height: 268px;
}

.m-about-wrap .statistics {
  display: flex;
  align-items: center;
  margin-top: 1.2rem;
}

.m-about-wrap .statistics strong {
  font-size: 30px;
}

/* 企业文化 */
.culture-wrap {
  background-image: url('../img/pc/about-culture.png');
  background-size: cover;
  background-position: center;
  min-height: 30rem;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.culture-wrap>h2 {
  margin-bottom: 4rem;
}

.culture-wrap .culture-detail {
  background-color: #fff;
  border-left: 8px solid #315ad0;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
  display: flex;
  flex-direction: column;
  padding: var(--gap);
  padding-right: 40px;
  max-width: 50%;
}

.culture-wrap .culture-detail .culture-info {
  margin-top: 2rem;
  margin-bottom: 2rem;
  flex: 1;
}

.culture-wrap .culture-list {
  margin-top: var(--gap);
  gap: var(--gap);
  display: flex;
  flex: 1;
}

.culture-wrap .culture-list .item-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  position: relative;
}
.culture-wrap .culture-list .item-box::after{
	background: rgba(0, 0, 0, 0.5);
	content: "";
	position: absolute;
	width: 100%;
	height: 100%;
	left: 0;
	top: 0;
}
.culture-wrap .culture-list .item-box.active::after{
	background: rgba(0, 0, 0, 0);
}
.culture-wrap .culture-list .item-box h3 {
  position: absolute;
  color: #fff;
}

/* 主营业务 */
.business-wrap {
  background-image: url('../img/pc/about-business.png');
  background-size: cover;
  background-position: center;
  min-height: 30rem;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.business-wrap h2 {
  margin-bottom: 4rem;
  color: #fff;
}

/* 发展历程 */
.course-wrap {
  background-image: url('../img/pc/about-course.png');
  background-size: cover;
  background-position: center;
  min-height: 30rem;
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
}

.course-wrap h2 {
  margin-bottom: 6rem;
}

.course-wrap .line {
  background-color: #BBCEFF;
  height: 2px;
  width: 100%;
}

.course-wrap .container .btn-circle {
  position: absolute;
  margin-left: -4rem;
}

.course-wrap .container .btn-circle.next {
  right: 0;
  margin-right: -4rem;
}

.course-wrap .slider-container {
  margin-top: -65px;
  overflow: hidden;
  width: 100%;
  border-radius: 6px;
  padding: 16px;
  padding-top: 10rem;
}

.course-wrap .slider {
  display: flex;
  gap: var(--gap);
  transition: transform 0.4s ease;
  will-change: transform;
  align-items: stretch;
}

.course-wrap .slider .card {
  flex: 0 0 calc((100% - ((var(--visible) - 1) * var(--gap))) / var(--visible));
  background: #ffffff;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  padding: 18px;
  min-height: 100px;
}

.course-wrap .course-info {
  position: absolute;
  z-index: 10;
  top: -150px;
  left: 4px;
}

.course-wrap .card-content {
  padding-left: var(--gap);
}

.course-wrap .card-content .line {
  position: absolute;
  z-index: 6;
  width: 1px;
  height: 100%;
  background-color: #3C6EF1;
  left: 19.5px;
  top: -100px;
}

.course-wrap .card-content .line-white {
  position: absolute;
  z-index: 8;
  width: 1px;
  height: calc(100% - 40px);
  bottom: 0;
  background-color: #fff;
  left: 19.5px;
}

.course-wrap .circle-solid {
  position: relative;
  width: 32px;
  min-width: 32px;
  height: 32px;
}

.course-wrap .circle-solid::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: rgba(59, 130, 246, 0.1);
  /* blue-500 + 0.1透明度 */
}

.course-wrap .circle-solid::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  background-color: #3C6EF1;
  /* blue-600 */
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.course-wrap .circle-hollow {
  position: absolute;
  left: 12px;
  border: 3px solid #3C6EF1;
  background-color: #fff;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  z-index: 11;
}

.course-wrap .timeline-item {
  padding-left: 5rem;
  padding-bottom: 1rem;
}

.course-wrap .timeline-item .line-y {
  width: 1px;
  height: 100%;
  background-color: #3C6EF1;
  position: absolute;
  left: 13px;
  top: 20px;
}

.course-wrap .timeline-item .line-x {
  width: 55px;
  height: 1px;
  background-color: #3C6EF1;
  position: absolute;
  left: -66px;
  top: 21px;
}

.course-wrap .timeline-item .circle-solid {
  left: -66px;
  top: 21px;
}

.course-wrap .timeline-item .circle-hollow {
  left: -21px;
  top: 13px;
}

.course-wrap .timeline-item strong {
  display: flex;
  color: #3c6ef1;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.course-wrap .timeline-item .card {
  margin-bottom: 1rem;
}

.course-wrap .timeline-item:last-child .line-y {
  width: 0;
}

@media screen and (max-width: 768px) {
  .show-xs-down {
    display: flex !important;
  }

  .about-banner {
    background-image: url('../img/h5/about-banner.png');
    min-height: 400px;
    padding-top: 48px;
  }

  .about-banner .container p {
    width: auto;
  }

  .culture-wrap {
    padding-top: 3rem;
    padding-bottom: 3rem;
    min-height: 10rem;
  }

  .culture-wrap>h2 {
    margin-bottom: 2rem;
  }

  .culture-wrap .m-culture-detail {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--gap);
    overflow: hidden;
    color: #fff;
  }

  .business-wrap {
    padding-top: 3rem;
    padding-bottom: 3rem;
    min-height: 10rem;
  }

  .business-wrap h2 {
    margin-bottom: 2rem;
  }

  .business-wrap .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-wrap {
    padding-top: 3rem;
    padding-bottom: 3rem;
    min-height: 10rem;
    background-color: #fff;
  }

  .course-wrap h2 {
    margin-bottom: 2rem;
  }
}