/***banner**/
#banner{
    width: 100%;
    min-width: 1040px;
    height: 355px;
    overflow: hidden;
    position: relative;
    /*border-bottom: 1px solid #dadcdc;*/
}
#banner_imgs{
    position: absolute;
    width: 100%;
    height: 355px;
}
#banner_imgs div.banner_img{
    position: absolute;
    width: 100%;
    height: 355px;

}
#banner_imgs div.img1{
    background:#ffffff url("img/banner1.png") no-repeat center center;
}
#banner_imgs div.img2{
    background:#ffffff url("img/banner2.png") no-repeat center center;
}
#banner_imgs div.img3{
    background:#ffffff url("img/banner3.png") no-repeat center center;
}
#banner_imgs div.img4{
    background:#ffffff url("img/banner4.png") no-repeat center center;
}



.banner_arrow1{
    width: 73px;
    height: 74px;
    background: url("img/arrow2.png") no-repeat 0 0;
    position: absolute;
    z-index: 11;
    right: 30px;
    top: 150px;
    opacity:0.4;
    cursor: pointer;
}
.banner_arrow1:hover{
    opacity:0.8;
}
.banner_arrow2{
    width: 73px;
    height: 74px;
    background: url("img/arrow1.png") no-repeat 0 0;
    position: absolute;
    z-index: 11;
    left: 30px;
    top: 150px;
    opacity:0.4;
    cursor: pointer;
}
.banner_arrow2:hover{
    opacity:0.8;
}
div.zstyle1{
    z-index: 9;
}
div.zstyle2{
    z-index: 10;
}