.main-warp{height:100%;width:1280px;min-width:1280px;margin:0 auto}.tac{width:100%;min-height:calc(100vh - 250px);background-color:#f9f9f9;border:1px solid #eee;display:flex}.tac .menu-left{position:relative}.tac .menu-left .fold{width:20px;height:50px;position:absolute;top:50%;right:-30px;transform:translateX(-50%);cursor:pointer}.tac .main-box,.tac .menu-left .fold img{width:100%;height:100%}.tac .main-box{min-height:calc(100vh - 250px);box-sizing:border-box;background-color:#fff;padding:20px;border-left:1px solid #eee}.el-menu{background-color:#f9f9f9;border-right:none}.el-menu .el-menu-item{box-sizing:border-box}.el-menu .el-menu-item,.el-menu .is-active{background-color:#f9f9f9}.header-nav{height:47px;line-height:47px}