/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/1400(这个说明仅在演示里会看到,下载的源码里没有)*//** * @author    ThemePunch <info@themepunch.com> * @link      http://www.themepunch.com/ * @copyright 2017 ThemePunch */.rs-addon-polyfold {	    position: absolute;    left: 0;    width: 100%;	height: auto;    z-index: 1099;	pointer-events: none;	}.rs-addon-polyfold div {		position: absolute;	border-style: solid;    box-sizing: content-box;	}.rs-addon-poly-nav-level {z-index: 999}.rs-addon-poly-static-level {z-index: 99}.rs-addon-polyfold:not(.rs-addon-poly-center) div:first-child {left: 0}.rs-addon-polyfold:not(.rs-addon-poly-center) div:last-child {right: 0}.rs-addon-poly-center div:first-child {right: 50%}.rs-addon-poly-center div:last-child {left: 50%}.rs-addon-polyfold:not(.rs-addon-poly-top),.rs-addon-polyfold:not(.rs-addon-poly-top) div {bottom: 0}.rs-addon-poly-top {top: 0}.rs-addon-poly-top div {top: 0}/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/1400(这个说明仅在演示里会看到,下载的源码里没有)*/