.w {
  width: 1137px;
}

.top-card {
  padding: 30px 0 130px;
  box-sizing: border-box;
}
.top-card .title {
  font-size: 52px;
  color: #3eaef4;
  margin-bottom: 70px;
  font-weight: bold;
}
.top-card .desc p {
  color: #808080;
  font-size: 16px;
  line-height: 35px;
  text-align: justify;
  position: relative;
}
.top-card .desc p::before {
  content: "";
  width: 4px;
  height: 4px;
  background-color: #cbcbcb;
  border-radius: 100%;
  position: absolute;
  top: 15px;
  left: -10px;
}

.blockchain-info {
  padding: 79px 0;
  box-sizing: border-box;
  background-color: #f9f9f9;
}
.blockchain-info .blockchain-list {
  display: flex;
  justify-content: space-between;
}
.blockchain-info .blockchain-list .item {
  width: 32%;
  background-color: #fff;
  padding: 20px 23px 40px;
  box-sizing: border-box;
}
.blockchain-info .blockchain-list .item .icon {
  width: 54px;
  height: 53px;
}
.blockchain-info .blockchain-list .item .name {
  font-size: 18px;
  color: #010101;
  margin: 23px 0 20px;
}
.blockchain-info .blockchain-list .item p {
  font-size: 14px;
  color: #999999;
  line-height: 26px;
  text-align: justify;
}

.blockchain-block {
  padding: 100px 0 60px;
  box-sizing: border-box;
  background-color: #fff;
}
.blockchain-block .block-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.blockchain-block .block-list .block-item {
  width: 48%;
  margin-bottom: 63px;
}
.blockchain-block .block-list .block-item .title {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}
.blockchain-block .block-list .block-item .title .icon {
  height: 45px;
  margin-right: 29px;
}
.blockchain-block .block-list .block-item .title .name {
  font-size: 18px;
  color: #010101;
}
.blockchain-block .block-list .block-item .text {
  font-size: 14px;
  color: #999999;
  line-height: 26px;
}