@charset "UTF-8";

/** 媒体查询 */

/** 布局 */

.about-container {
  padding: 1.875rem 1.25rem;
  box-shadow: 0 0.1875rem 1.25rem 0.0625rem rgba(0, 0, 0, 0.1);
}

.about-container .history-top {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
}

.about-container .history-top .video {
  padding-right: 0.625rem;
}

.about-container .history-top .t1 {
  font-weight: bold;
  font-size: 1.5rem;
  color: #000000;
}

.about-container .history-top .t2 {
  font-size: 1rem;
  color: #666666;
  margin-top: 1rem;
}

@media (max-width: 800px) {
  .about-container .history-top {
    grid-template-columns: repeat(1, 1fr);
    gap: 1.25rem;
  }

  .about-container .history-top .video {
    padding-right: 0;
  }

  .about-container .history-top .t1 {
    font-size: 1.25rem;
  }

  .about-container .history-top .t2 {
    font-size: 0.875rem;
    margin-top: 0.625rem;
  }
}

.about-container .history {
  background-image: url("../assets/about/bg.png");
  background-size: cover;
  padding: 1.25rem 0;
  margin-top: 1.25rem;
  overflow: hidden;
  border-radius: 0.625rem;
}

.about-container .history .title1 {
  font-weight: bold;
  font-size: 1.25rem;
  color: #FFFFFF;
}

.about-container .history .title2 {
  color: #ffffff;
  font-size: 0.75rem;
  margin-top: 1.25rem;
}

.about-container .history .history-swiper {
  margin-top: 1.5625rem;
  position: relative;
}

.about-container .history .history-swiper::after {
  content: "";
  position: absolute;
  width: 250rem;
  left: 50%;
  top: 0.3125rem;
  transform: translateX(-50%);
  background-color: #fff;
  height: 1px;
}

.about-container .history .item {
  max-width: 13.125rem;
  width: auto;
  min-width: 9.375rem;
  min-height: 5rem;
  border-radius: 0.625rem 0.625rem 0.625rem 0.625rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0);
  margin-top: 1.875rem;
  position: relative;
  padding: 0.75rem;
  box-sizing: border-box;
  transition: all 0.3s;
}

.about-container .history .item .year {
  font-weight: bold;
  font-size: 1.125rem;
  color: #FFFFFF;
}

.about-container .history .item .t {
  font-size: 0.75rem;
  color: #FFFFFF;
}

.about-container .history .item .o {
  position: absolute;
  width: 0.3125rem;
  height: 0.3125rem;
  top: -1.75rem;
  left: 0;
  border-radius: 50%;
  transition: all 0.3s;
  z-index: 11;
}

.about-container .history .item .o::after,
.about-container .history .item .o::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
  border-radius: 50%;
  transition: all 0.3s;
}

.about-container .history .item .o::after {
  width: 0.3125rem;
  height: 0.3125rem;
  border: 0 solid #ffffff;
}

.about-container .history .item .o::before {
  width: 0.9375rem;
  height: 0.9375rem;
  opacity: 0;
}

.about-container .history .item.active {
  border: 0.0625rem solid #FFFFFF;
}

.about-container .history .item.active .o::after {
  background-color: #000;
  border: 0.125rem solid #ffffff;
}

.about-container .history .item.active .o::before {
  opacity: 0.4;
}

@media (max-width: 800px) {
  .about-container .history {
    margin-top: 1.25rem;
  }

  .about-container .history .title2 {
    margin-top: 0.625rem;
  }

  .about-container .history .history-swiper {
    margin-top: 0.9375rem;
  }
}

.about-container .info .item {
  margin-top: 1.25rem;
}

.about-container .info .item .t1 {
  font-weight: bold;
  font-size: 1.25rem;
  color: #000000;
}

.about-container .info .item .t2 {
  font-size: 0.875rem;
  color: #666666;
  margin-top: 0.625rem;
}

@media (max-width: 800px) {
  .about-container .info .item {
    margin-top: 0.9375rem;
  }

  .about-container .info .item .t1 {
    font-size: 1.125rem;
  }

  .about-container .info .item .t2 {
    font-size: 0.875rem;
    margin-top: 0.5rem;
  }
}