@charset "gb2312";
/* CSS Document */

@media only screen and (max-width: 768px) {
.top_box{ display:none;}
.banner_nav{ width:100%; height:auto; background:url(xwzsybanner.jpg) no-repeat; no-repeat;  background-size:contain; background-size: 100% auto;min-width: 320px;}
.weizhi{display:none;}
.coprright{ width:100%; height:40px; background:#a2a2a2;}
.copyright_n{ display:none;}
.banner_navn{ display:none;}
.zsycopy{ display:block;}
.xwzsybanner_nav{ display:block;}
#zoom img {width: 80%;}
}