.slide-bar{height:calc(100vh - 66px);overflow-y:auto;border-right:1px solid #ddd}.slide-bar .el-menu{border-right:none}.first-menu-span{font-size:14px}.el-menu-item{height:40px!important;line-height:40px!important}.el-submenu__title{height:40px;line-height:40px}