.top{
  width:1000px;
  height:500px;
  overflow:hidden;
  margin:0 auto;
  }
.main_banner1{
    background-position: center top;
    background-image: url(../img/phone_01.png);
    background-repeat: no-repeat;
  }
.slider{
    width: 90%;
    height: 100px;
    margin-right: auto;
    margin-left: auto;
    margin-bottom: 0;
    /* [disabled]position: absolute; */
    background: url(../img/) no-repeat;
    margin-top: 0px;
  }
.slider_menu{
  width:26px;
  height:100px;
  position:absolute;
  cursor:pointer;
  top:0;
  }
.slider_menuleft{
  background:url(../img/rotaleft.gif) no-repeat;
  left:50px;
  }
.slider_menuleft:hover{
  background:url(../img/on_rotaleft.gif) no-repeat;
  }
.slider_menuright{
  background:url(../img/rotaright.gif) no-repeat;
  right:50px;
  }
.slider_menuright:hover{
  background:url(../img/on_rotaright.gif) no-repeat;
  }
.slider_menubar {
    display: block;
    width: 70%;
}
body {
	background-color: #E7E7E7;
	margin-top: 0px;
	margin-right: 0px;
	margin-left: 0px;
	margin-bottom: 0px;
}
#ad_space {
    width: 500px;
}
#IndexBanner {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    z-index: 9997;
    display: block;
    height: auto;
}