.page-cover .cover-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /*  Page cover background image,color */
  background: url(../img/jiang/bg5.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: -1;
}
.bgIntro{
  position: absolute;
  bottom: 5%;
    right: 10%;
    font-weight: 300;
}