* {
  margin: 0;
  padding: 0;
}
html {
  font-size: 20vw;
}
.banner {
  width: 100%;
}
.center .title {
  text-align: center;
  /* margin-top: .266667rem; */
  font-size: .186667rem;
  font-weight: bold;
  line-height: .32rem;
  color: #1A1A22;
}
.center .msg {
  margin-top: .133333rem;
  font-size: .16rem;
  line-height: .213333rem;
  color: #1A1A22;
  letter-spacing: .5px;
  padding: 0 .4rem;
}
.architecture {
  margin-top: .266667rem;
}
.architecture .title {
  text-align: center;
  font-size: .186667rem;
  font-weight: bold;
  line-height: .32rem;
  color: #1A1A22;
}
.architecture .mainImg {
  width: calc(100% - .533333rem);
  margin: .133333rem .266667rem 0;
}
/* 特征 */
.feature {
  margin-top: .266667rem;
}
.feature .title {
  text-align: center;
  font-size: .186667rem;
  font-weight: bold;
  line-height: .32rem;
  color: #1A1A22;
}
.feature .body {
  display: flex;
  flex-wrap: wrap;
  padding: 0 .266667rem;
  justify-content: space-between;
}
.feature .item {
  width: 2.106667rem;
  /* height: 1.92rem; */
  background: #FFFFFF;
  border: .026667rem solid #E8F0FF;
  box-shadow: 0px 0px 0px rgba(177, 177, 177, 0.8);
  margin-top: .133333rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-bottom: .133333rem;
}
.feature .item img {
  width: .56rem;
  margin-top: .133333rem;
}
.feature .item .title {
  font-size: .16rem;
  font-weight: bold;
  line-height: .213333rem;
  color: #1A1A22;
  margin-top: .133333rem;
}
.feature .item p {
  width: 1.88rem;
  margin-top: .106667rem;
  font-size: .16rem;
  line-height: .213333rem;
  color: #1A1A22;
  text-align: center;
}