*{
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
#bannerMain img {
  border: none;
}
.banwidth {
   width: 1920px;
   margin-left: auto;
   margin-right: auto;
   text-align: center; 
   /*margin-top:-5px;*/
   /*margin-bottom:15px;*/
   z-index:0;
   background:#fff;
}
.banwidthaa {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    z-index: 0;
    background: #fff;
    position: relative;
}
/*只需要修改宽高，按钮样式即可,其他建议不要修改*/
#banner {
  position:relative; 
  z-index:0;
  width: 1200px;
  margin: 0 auto;
  height:650px;
  /*float:left;*/
  background: #fff;
}
#banner_width {
   position: relative;
   z-index: 1;
   width: 1920px;
   height: 650px;
   margin-left: -360px;
   overflow: hidden;
}
#banner .banner-btn-bj{
  width: 52%;
  height: 20px; 
  position: absolute; 
  bottom: 0;
  z-index:999;
  /*visibility:hidden;*/
}

#bannerBtn{
  float: right;
}
#bannerBtn li{
  float:left;
  display: inline; 
  width: 8px; 
  height: 8px;
  line-height: 8px;
  text-align: center; 
  margin-right:5px; 
  background: #1654b2; 
  color:#1654b2;
  cursor: pointer; 
  border: 2px solid #1654b2;
}
#bannerBtn li.cc{
  background:#fff; 
  border: 2px solid #fff; 
  color: #fff;
  height: 8px;
  line-height: 8px;
}
#bannerBtn li:hover.cc{
  background:#ff9700; 
  border: 2px solid #ff9700; 
  color: #ff9700;
  height: 8px;
  line-height: 8px;
}
#bannerMain{
  width: 1920px;
  height: 650px;
  overflow: hidden;
  /*margin:5px;*/
  /*padding-top:5px;*/
  /*padding-left:0px;*/
  /*position:absolute;
  z-index:2;*/
}