.m-main{min-height:100%;min-width:1200px;position:relative}.m-main .m-main-header{min-width:1200px;position:fixed;padding:0;top:0;width:100%;z-index:90}.m-main .m-main-body{min-height:100%;padding:0}.m-main .main-body-overflow{overflow:hidden}.m-main .m-main-footer{padding:0;position:absolute;width:100%;bottom:0;z-index:40}.m-main .qf-main-container{min-width:990px}.m-main .qf-main-container .qf-container.is-vertical{position:relative}