.banner {
  /* banner */
  /* 图片 */
  /* 视频 */
  /* 内容 */
  /* 手机端 */
}
.banner .home-banner {
  width: 100%;
  overflow: hidden;
}
.banner .bannerSwiper {
  width: 100%;
  height: 100%;
}
.banner .banner-item {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.banner .banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner .banner-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner .swiper-slide {
  height: 100%;
}
.banner .banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  color: #fff;
}
@media (max-width: 768px) {
  .banner .banner-content h1 {
    font-size: 42px;
    line-height: 1.4;
  }
  .banner .banner-content p {
    font-size: 16px;
  }
}
.s1 {
  background: #136AEA;
  color: #fff;
  padding: 150px 0;
  font-weight: 600;
  margin-top: -20px;
}
.s1 h2 {
  font-size: 60px;
  margin-bottom: 10px;
}
.s1 h2 span {
  color: #FFA01B;
  font-weight: 600;
  margin-left: -20px;
}
.s1 .text {
  transition: 0.3s;
  text-align: center;
  cursor: pointer;
}
.s1 .text:hover {
  transform: scale(1.2);
}
.s2 {
  background: #fff;
}
.s2 .tit {
  text-align: center;
  margin-bottom: 50px;
}
.s2 .tit h2 {
  font-size: 60px;
}
.s2 .tit h5 {
  font-weight: normal;
  font-size: 14px;
  color: #666;
  margin-top: 30px;
}
.s2 .con {
  padding: 50px 0;
}
.s2 .con .r {
  text-align: right;
}
.s2 .con .r img {
  max-width: 400px;
}
.s2 .con p {
  margin-top: 20px;
  line-height: 2;
}
.s2 a {
  text-decoration: none;
  border: 1px solid #136AEA;
  border-radius: 50px;
  background: #fff;
  padding: 15px 30px;
  margin-left: 0;
  margin-right: 20px;
  transition: 0.3s;
  font-size: 14px;
}
.s2 a:hover {
  color: #fff;
  background: #136AEA;
}
.s2 .btn {
  margin-top: 50px;
  padding: 0;
}
.s3 {
  background: #fff;
  /* 标题 */
  /* =========================
       左侧年份
    ========================= */
  /* 固定20 */
  /* 右侧 */
  /* 年份外层 */
  /* 年份列表 */
  /* 年份 */
  /* 当前 */
  /* 按钮 */
  /* =========================
       右侧内容
    ========================= */
  /* 动画 */
  /* =========================
       响应式
    ========================= */
}
.s3 .tit {
  text-align: center;
  margin-bottom: 100px;
}
.s3 .tit h2 {
  font-size: 60px;
  color: #e5e5e5;
}
.s3 .tit h4 {
  font-size: 40px;
  color: #000;
  font-weight: 600;
}
.s3 .history-section {
  padding: 120px 0;
  overflow: hidden;
}
.s3 .history-title {
  text-align: center;
  margin-bottom: 90px;
}
.s3 .history-title span {
  display: block;
  font-size: 72px;
  font-weight: bold;
  color: rgba(0, 0, 0, 0.05);
  letter-spacing: 4px;
  margin-bottom: -25px;
}
.s3 .history-title h2 {
  font-size: 42px;
  font-weight: bold;
  color: #111;
}
.s3 .year-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.s3 .year-prefix {
  font-size: 120px;
  font-weight: bold;
  color: #0d6efd;
  line-height: 1;
}
.s3 .year-right {
  display: flex;
  align-items: center;
  gap: 18px;
}
.s3 .year-box {
  height: 120px;
  position: relative;
}
.s3 .year-list {
  transition: transform 0.45s ease;
}
.s3 .year-item {
  height: 120px;
  line-height: 120px;
  font-size: 120px;
  font-weight: bold;
  color: rgba(13, 110, 253, 0.12);
  transition: 0.35s;
  text-align: center;
  user-select: none;
  cursor: pointer;
}
.s3 .year-item.active {
  color: #0d6efd;
}
.s3 .year-control {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.s3 .year-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid #ddd;
  background: #fff;
  color: #999;
  transition: 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.s3 .year-btn:hover {
  border-color: #0d6efd;
  color: #0d6efd;
}
.s3 .history-content {
  padding-left: 50px;
}
.s3 .history-box {
  animation: fadeIn 0.45s ease;
}
.s3 .history-item {
  /*display: flex;*/
  align-items: flex-start;
  gap: 30px;
  /*border-bottom: 1px solid #eee;*/
  padding: 24px 0;
}
.s3 .history-item span {
  min-width: 70px;
  font-size: 20px;
  font-weight: bold;
  color: #111;
  line-height: 80px;
}
.s3 .history-item p {
  margin: 0;
  line-height: 1.9;
  color: #555;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 991px) {
  .s3 .history-content {
    padding-left: 0;
    margin-top: 60px;
  }
  .s3 .year-prefix {
    font-size: 80px;
  }
  .s3 .year-item {
    font-size: 60px;
  }
  .s3 .history-title span {
    font-size: 42px;
  }
}
.s4 {
  background: #fff;
}
.s4 .tit {
  margin-bottom: 100px;
  margin-bottom: 50px;
}
.s4 .tit h2 {
  font-size: 40px;
  color: #000;
  font-weight: 600;
}
.s4 .con {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 500px;
}
.s4 .con img {
  width: 50px;
  height: 50px;
}
.s4 .con .info {
  width: 30%;
  box-shadow: 0 3px 10px 0 rgba(0, 0, 0, 0.1);
  padding: 30px;
  border: 1px solid transparent;
  transition: 0.3s;
  text-align: center;
  min-height: 350px;
  margin-bottom: 30px;
  border-radius: 5px;
  padding-top: 60px;
  cursor: pointer;
}
.s4 .con .info h6 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 30px;
}
.s4 .con .info .desc {
  margin-top: 30px;
}
.s4 .con .info .t {
  color: #666;
  font-size: 11px;
  margin-bottom: 20px;
}
.s4 .con .info p {
  line-height: 1;
  font-size: 14px;
  color: #333;
  margin: 0;
  margin-top: 10px;
}
.s4 .con .active {
  border: 1px solid #136AEA;
  min-height: 380px;
  padding-top: 80px;
}
@media (max-width: 768px) {
  .s1 {
    padding: 100px 0;
  }
  .s1 .text {
    margin-bottom: 50px;
  }
  .s2 .con .r {
    margin-top: 50px;
    text-align: center;
  }
  .s2 .tit {
    margin-bottom: 0;
  }
  .s2 .tit h2 {
    font-size: 50px;
  }
  .s2 .con .btn {
    text-align: center;
    width: 100%;
  }
  .s3 .con {
    width: 100%;
  }
  .s3 .con .i1 {
    display: none;
  }
  .s4 .con {
    flex-wrap: wrap;
  }
  .s4 .con .info {
    width: 100%;
    min-height: none;
  }
  .s2 .tit h2 {
    font-size: 40px;
  }
  .s2 .con {
    padding: 10px 0;
  }
  .s2 .con .r img {
    max-width: 100%;
  }
}