.header[data-v-75f885c1]{height:var(--header-height);position:relative}.header .wh23[data-v-75f885c1]{width:23px}.header .el-dropdown[data-v-75f885c1],.header .el-tabs__item[data-v-75f885c1]{font-size:14px;font-weight:600}.header .el-tabs__header[data-v-75f885c1]{margin:0}.header .divider .el-divider--vertical[data-v-75f885c1]{height:2rem}.header .middle[data-v-75f885c1]{margin-left:20%;line-height:var(--header-height);flex:1;position:relative}.header .right[data-v-75f885c1]{align-items:center;border-left:1px solid #ccc;padding-left:20px;position:absolute;right:0}.main-class[data-v-75f885c1]{height:calc(100% - var(--header-height))}.course-menu .group-title[data-v-75f885c1]{font-size:16px;font-weight:600}.course-menu .group-body[data-v-75f885c1]{margin-left:10px;font-size:16px}.el-popper[data-v-75f885c1]{max-height:60vh;overflow:auto}