.step {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  width: 1314px;
  margin: 0 auto;
  background-image: linear-gradient(#f6fbff, #fff);
  border: 1px solid #e2e2e2;
  margin-bottom: 28px;
}
.step .step-item {
  height: 140px;
  display: flex;
  flex-direction: column;
  width: 34%;
}
.step a {
  color: #008fff;
}

.step .step-item .top {
  /* height: 50px; */
  display: flex;
  align-items: center;
  width: 100%;
  padding-bottom: 15px;
  border-bottom: 2px solid #a2b0bd;
  /* cursor: pointer; */
}
.step .step-item .top .img-icon {
  width: 30px;
  height: 30px;
  position: relative;
  margin: 0 10px;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.step .step-item .top .img-icon img {
  width: 100%;
}
.step .step-item .top .img-icon::after {
  content: '';
  display: inline-block;
  border-radius: 50%;
  background: #2266b1;
  width: 14px;
  height: 14px;
  position: absolute;
  bottom: -22px;
  left: 5px;
}
.step .step-item .top .title {
  font-weight: 600;
  font-size: 18px;
  color: #2266b1;
}
.step .step-item .floor {
  text-align: left;
  height: 85px;
  margin-left: 33px;
  padding: 10px;
  border-left: 1px dashed #a2b0bd;
}
.step .step-item .floor .hint-img {
  margin-left: 5px;
  cursor: pointer;
}
.step .step-item .floor .hint-content-img {
  display: none;
  position: absolute;
  z-index: 10;
  border: 1px solid #a2b0bd;
}
.step .step-item .floor .hint-img:hover + .hint-content-img {
  display: block;
}
.step .step-item.active .top .title {
  color: #f07f0e;
}
.step .step-item.active .top .img-icon::after {
  background: #f07f0e;
}