/*----------------------电脑板式样式----------------------*/

/*----------------------平板板式样式----------------------*/
@media screen and (min-width:641px) and (max-width:1200px) {

}
/*----------------------手机板式样式----------------------*/
@media screen and (max-width:640px) {

}
 #comm_layout_header{height:300px;z-index:99999;}   @media screen and (min-width:641px) and (max-width:1200px) {#comm_layout_header{}}   @media screen and (max-width:640px) {#comm_layout_header{}} #comm_layout_header > .view_contents{max-width:1200px;} 
 #comm_layout_footer{height:300px;z-index:99999;}   @media screen and (min-width:641px) and (max-width:1200px) {#comm_layout_footer{}}   @media screen and (max-width:640px) {#comm_layout_footer{}} #comm_layout_footer > .view_contents{max-width:1200px;}