/*产品方案详情栏目导航*/
.xg_body .xg_content.xg_content .xg_section_fixd{ position: absolute;  z-index: auto;margin-top: -75px; top: auto;}

@media only screen and (max-width: 769px){
.xg_body .xg_content.xg_content .xg_section_fixd{ position: relative;z-index:auto;top: -65px; }

}