.body {
  font-size: 16px;
}
.bg_img {
  background: url("./images/zq-bg.jpg") no-repeat center;
  background-size: cover;
  background-attachment: fixed;
}
.index-con {
  width: 100%;
  height: 100vh;
  min-height: 700px;
}
.con-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.position-full {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
.text-white {
  color: white;
}
.text-grey {
  color: #999;
}
.title {
  letter-spacing: 4px;
}
.w-33 {
  width: 33.33% !important;
}