body,html{overflow-x:hidden}body.app-has-bg:before{z-index:-2;background-image:var(--app-bg-image);background-repeat:no-repeat;background-size:cover;background-position:50%}body.app-has-bg:after,body.app-has-bg:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none}body.app-has-bg:after{background:var(--semi-color-bg-0);opacity:var(--app-bg-mask-opacity,.35);z-index:-1}body.app-has-bg .semi-layout,body.app-has-bg .semi-layout-content,body.app-has-bg .semi-layout-header,body.app-has-bg .semi-nav,body.app-has-bg .semi-sider{background:transparent!important}