.block {
  padding: 80px 0; 
}

.block .flex {
  align-items: center;
}

.block img.title {
  display: block;
  margin: 0 auto;
  margin-bottom: 70px;
  width: 140px;
  height: auto;
}

.block1 .left {
  margin-right: 55px;
}

.block1 .right {
  margin-left: 55px;
}

.block1 .right .title {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  color: #333333;
  line-height: 26px;
}

.block1 .right .title-sub {
  margin: 0;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
}

.block1 .right .des {
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 27px;
}

.block2 {
  background: #F7F7F7;
}

.block2 .content {
  flex-wrap: wrap;
  align-items: stretch;
}

.block2 .content .content-item {
  width: 400px;
  min-height: 229px;
  flex: 0 0 400px;
  background: #fff;
  text-align: center;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
  transition: background-size 0.3s ease-in-out;
}

.block2 .content .content-item:hover {
  background-size: 120%;
}

.block2 .content .content-item > img {
  width: 400px;
  height: auto;
}

.block2 .content .content-item.flex {
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 70px;
  box-sizing: border-box;
  position: relative;
}

.block2 .content .content-item.flex .title {
  margin: 0;
  font-size: 22px;
  font-weight: 500;
  color: #333333;
  line-height: 26px;
  text-align: left;
}

.block2 .content .content-item.flex .des {
  margin: 0;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 26px;
  text-align: left;
}

.block2 .content .content-item.flex .line-bottom {
  width: 38px;
  margin-top: 7px;
  margin-bottom: 31px;
}

.block2 .content .content-item.flex .line-bottom::after {
  height: 3px;
}

.block2 .content .content-item.flex .triangle-up {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.block2 .content .content-item.flex .triangle-down {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
}

.block3 .left {
  margin-right: 55px;
}

.block3 .right {
  margin-left: 55px;
}

.block3 .right .title {
  margin: 0;
  margin-bottom: 40px;
  font-size: 36px;
  font-weight: 500;
  color: #333333;
  line-height: 1;
}

.block3 .right .field p {
  line-height: 30px;
  color: #333;
  font-size: 14px;
}

.swiper .swiper-slide {
  width: 100%;
  height: 37.70833333333333vw;
  object-fit: cover;
}