/*内页banner*/
.banner_page{overflow:hidden;line-height:0;text-align:center;position:relative;min-height:300px; 
background-size: 100% 100%;
background-repeat: no-repeat;background-position: top right; height: 458px}
/*.banner_page:before{
    background: rgba(0, 0, 0, 0.5);
    content: "";
    height: 100%;
    left: 0;
    opacity: 0.7;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
    position: absolute;
    top: 0;
    width: 100%;
}*/

.banner_page img{visibility:hidden;margin:0 auto}
.banner_page img.show{visibility:visible}
.banner_page .text{position:absolute;top:50%;left:20%;transform:translateY(-30%);z-index: 999;color: #fff;font-size: 40px}
.banner_page .text2{position:absolute;top:60%;left:20%;transform:translateY(-30%);z-index: 999;color: #fff;font-size: 20px}