#banner-img {
  width: 100%;
  background: url(../images/banner.jpg) center center no-repeat;
  height: 450px;
  min-width: 1000px;
}
#banner-img .banner-detail{
  width: 1200px;
  margin: 0 auto;
  position: relative;
  padding-top: 109px;
}
#banner-img .banner-detail .banner-detail-btn{
  width: 100px;
  height: 34px;
  line-height: 34px;
  display: block;
  text-align: center;
  position: absolute;
  font-size: 16px;
  color: #ffffff;
  border-radius: 10px;
  background-image: linear-gradient(to bottom, #fe9a21, #feb50c);
  left: 183px;
  top: 273px;
}
#banner-img .banner-detail .banner-detail-btn:hover{
  background-image: linear-gradient(to bottom, #feb50c, #fe9a21);
}