body {
  background: url(images/bg-app-intro.jpg) no-repeat;
}

body .content_wrap {
  width: 960px;
  overflow: hidden;
}

body .content_wrap .appIntro-left {
  width: 516px;
  height: 660px;
  float: left;
}

body .content_wrap .appIntro-right {
  width: 30%;
  float: right;
  padding-top: 90px;
}

body .content_wrap .appIntro-right hr {
  border: 1px solid #cbbcb0;
}

body .content_wrap .appIntro-right .r-content-text {
  font-size: 22px;
  color: #837f77;
  text-align: center;
  margin-top: 20px;
}
body .content_wrap_yd{
  width: 640px;
}
body .content_wrap_yd h1{
  text-align: center;
  font-size: 40px;
  color: #444;
  margin-bottom: 77px;
}
body .content_wrap_yd .left-part{
  float: left;
}
body .content_wrap_yd .right-part{
  float: right;
}
body .content_wrap_yd .qr-wrap img{
  width: 364px;
  height: 100%
}
body .content_wrap_yd  .tit{
   text-align: center;
   margin-bottom: 17px;
   font-size: 30px;
   color: #444;
}
body .content_wrap_yd  .txt{
  text-align: center;
  margin-top: 20px;
  font-size: 24px;
  color: #888;
}
.bg-img{
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
}