.sect-1 {
  margin-top: 70px;
}
.sect-1 img {
  width: 100%;
  aspect-ratio: 3.31034483;
  object-fit: cover;
  min-height: 300px;
}
.sect-2 {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  background: #ffffff;
  box-shadow: 0 10px 10px 0 rgba(238, 238, 238, 0.16);
  overflow-x: auto;
}
.sect-2 .item {
  font-size: 16px;
  font-weight: 400;
  color: #5a5a5a;
  height: 100%;
  display: flex;
  align-items: center;
  margin: 0 15px;
  border-bottom: 2px solid #00000000;
  white-space: nowrap;
}
.sect-2 .act {
  border-bottom: 2px solid #11524E;
  font-weight: 400;
  color: #000000;
}
.sect-3 {
  padding: 50px 0;
}
.sect-3 .tit {
  font-size: 24px;
  font-weight: 400;
  text-align: center;
  color: #000000;
}
.sect-3 .desc {
  font-size: 14px;
  font-weight: 400;
  text-align: center;
  color: #707070;
  line-height: 32px;
  margin-top: 10px;
}
.sect-3 .video-box {
  position: relative;
  aspect-ratio: 2.02222222;
  margin-top: 40px;
}
.sect-3 .video-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sect-3 .video-box .box {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 0;
  top: 0;
}
.sect-3 .video-box .box img {
  width: 40px;
  height: 40px;
  opacity: 0.7;
}
.sect-4 {
  padding: 0 0 50px;
}
.sect-4 .tit {
  font-size: 24px;
  font-weight: 400;
  text-align: center;
  color: #000000;
}
.sect-4 .desc {
  font-size: 14px;
  font-weight: 400;
  text-align: center;
  color: #707070;
  line-height: 32px;
  margin-top: 10px;
}
.sect-4 .container {
  margin-bottom: 20px;
}
.sect-4 .img-box {
  display: flex;
  flex-wrap: wrap;
}
.sect-4 .img-box:nth-child(odd) .i-item {
  flex-basis: 40%;
  aspect-ratio: 1.25;
  padding: 5px;
  transition: all 0.3s linear;
}
.sect-4 .img-box:nth-child(odd) .i-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sect-4 .img-box:nth-child(odd) .i-item:first-child {
  padding-left: 0;
}
.sect-4 .img-box:nth-child(odd) .i-item:last-child {
  flex-basis: 60%;
  aspect-ratio: 1.875;
  padding-right: 0;
}
.sect-4 .img-box:nth-child(even) .i-item {
  flex-basis: 40%;
  aspect-ratio: 1.25;
  padding: 5px;
  transition: all 0.3s linear;
}
.sect-4 .img-box:nth-child(even) .i-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sect-4 .img-box:nth-child(even) .i-item:first-child {
  padding-left: 0;
  flex-basis: 60%;
  aspect-ratio: 1.875;
}
.sect-4 .img-box:nth-child(even) .i-item:last-child {
  padding-right: 0;
}
@media (min-width: 768px) {
  .sect-1 {
    margin-top: 80px;
  }
}
@media (min-width: 992px) {
  .sect-1 {
    margin-top: 100px;
  }
  .sect-2 {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    background: #ffffff;
    box-shadow: 0px 10px 10px 0px rgba(238, 238, 238, 0.16);
    padding: 0;
  }
  .sect-2 .item {
    font-size: 18px;
    font-weight: 400;
    color: #5a5a5a;
    height: 100%;
    display: flex;
    align-items: center;
    margin: 0 30px;
    border-bottom: 2px solid #00000000;
  }
  .sect-2 .act {
    border-bottom: 2px solid #11524E;
    font-weight: 400;
    color: #000000;
  }
  .sect-3 {
    padding: 50px 0;
  }
  .sect-3 .tit {
    font-size: 46px;
    font-weight: 400;
    text-align: center;
    color: #000000;
  }
  .sect-3 .desc {
    font-size: 20px;
    font-weight: 400;
    text-align: center;
    color: #707070;
    line-height: 40px;
    margin-top: 10px;
  }
  .sect-3 .video-box {
    position: relative;
    aspect-ratio: 2.6;
    margin-top: 40px;
  }
  .sect-3 .video-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .sect-3 .video-box .box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0;
    top: 0;
  }
  .sect-3 .video-box .box img {
    width: 80px;
    height: 80px;
  }
  .sect-4 {
    padding: 0 0 50px;
  }
  .sect-4 .tit {
    font-size: 46px;
    font-weight: 400;
    text-align: center;
    color: #000000;
  }
  .sect-4 .desc {
    font-size: 20px;
    font-weight: 400;
    text-align: center;
    color: #707070;
    line-height: 40px;
    margin-top: 10px;
  }
  .sect-4 .container {
    margin-bottom: 20px;
  }
  .sect-4 .img-box {
    display: flex;
    flex-wrap: wrap;
  }
  .sect-4 .img-box:nth-child(odd) .i-item {
    flex-basis: 40%;
    aspect-ratio: 1.25;
    padding: 10px;
    transition: all 0.3s linear;
  }
  .sect-4 .img-box:nth-child(odd) .i-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .sect-4 .img-box:nth-child(odd) .i-item:first-child {
    padding-left: 0;
  }
  .sect-4 .img-box:nth-child(odd) .i-item:last-child {
    flex-basis: 60%;
    aspect-ratio: 1.875;
    padding-right: 0;
  }
  .sect-4 .img-box:nth-child(even) .i-item {
    flex-basis: 40%;
    aspect-ratio: 1.25;
    padding: 10px;
    transition: all 0.3s linear;
  }
  .sect-4 .img-box:nth-child(even) .i-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .sect-4 .img-box:nth-child(even) .i-item:first-child {
    padding-left: 0;
    flex-basis: 60%;
    aspect-ratio: 1.875;
  }
  .sect-4 .img-box:nth-child(even) .i-item:last-child {
    padding-right: 0;
  }
}
/*# sourceMappingURL=case.css.map */