.tec-1 {
  padding-top: 1.56rem;
  padding-bottom: 1.85rem;
  background-image: url(/static/home/images/tec1_bg.jpg);
}
.tec-1 .txt {
  line-height: 1.9166666667;
  margin-top: 0.38rem;
  text-align: center;
}

.tec-2 {
  padding-top: 1.15rem;
  padding-bottom: 0.85rem;
  background-image: url(/static/home/images/tec2_bg.jpg);
}
.tec-2 .ul {
  margin-top: 0.52rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.tec-2 .li {
  width: 48.8095238095%;
  margin-bottom: 0.4rem;
}
.tec-2 .dd {
  display: block;
  border-radius: 0.1rem;
  padding: 0.68rem 1.1rem;
  text-align: center;
  background-color: #fff;
}
.tec-2 .icon {
  width: 1rem;
  height: 1rem;
  background-color: #f0f7ff;
  border-radius: 50%;
  margin: 0 auto;
  position: relative;
}
.tec-2 .ii {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
}
.tec-2 .txt {
  margin-top: 0.28rem;
}
.tec-2 .t1 {
  font-weight: 600;
}
.tec-2 .t2 {
  line-height: 1.4444444444;
  color: #666;
  margin-top: 0.14rem;
}
@media (max-width: 900px) {
  .tec-2 .li {
    width: 100%;
  }
}

.tec-3 {
  padding: 1.2rem 0;
}
.tec-3 .box {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.tec-3 .le {
  width: 35.7142857143%;
  padding-top: 0.16rem;
}
.tec-3 .list {
  margin-top: 0.54rem;
}
.tec-3 .li {
  display: flex;
  align-items: center;
  margin-bottom: 0.4rem;
}
.tec-3 .li:last-child {
  margin-bottom: 0;
}
.tec-3 .li .icon {
  flex-shrink: 0;
  width: 0.6rem;
  height: 0.6rem;
  box-shadow: 0 0 0 1px #007bff inset;
  border-radius: 50%;
  margin-right: 0.2rem;
}
.tec-3 .li .te {
  line-height: 1.5;
}
.tec-3 .li .t1 {
  color: #666;
}
.tec-3 .li .t2 {
  letter-spacing: 1px;
}
.tec-3 .txt {
  line-height: 1.5;
  color: #666;
  margin-top: 0.78rem;
}
.tec-3 .d3 {
  margin-top: 0.24rem;
  color: #007bff;
  font-weight: 600;
}
.tec-3 .imgs {
  width: 47.619047619%;
}
.tec-3 .img {
  position: relative;
  padding-top: 62.5%;
  border-radius: 0.2rem;
  overflow: hidden;
}
@media (max-width: 900px) {
  .tec-3 .le {
    width: 100%;
  }
  .tec-3 .imgs {
    width: 100%;
    margin-top: 0.5rem;
  }
}