.v5_navs {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #dfdfdf;
}
.v5_nav {
  display: flex;
  justify-content: space-between;
  height: 30px;

  margin-top: 20px;
}
.v5_item {
  font-size: 16px;
  color: #333333;
  margin-left: 40px;
  display: block;
}
.v5_item .span {
  height: 16px;
  line-height: 16px;
  display: block;
  text-align: center;
}
.v5_item.active {
  color: #ff852b;
  font-weight: bold;
}
.v5_item.active .span::after {
  content: "";
  width: 40px;
  height: 2px;
  background: #ff852b;
  display: block;
  margin: 12px auto 0;
}
.v5_item:first-child {
  margin-left: 0;
}