.header[data-v-84aa9162]{height:var(--header-height);position:relative}.header .wh23[data-v-84aa9162]{width:30px;height:30px}.header .el-dropdown[data-v-84aa9162],.header .el-tabs__item[data-v-84aa9162]{font-size:16px}.header .el-tabs__header[data-v-84aa9162]{margin:0}.header .divider .el-divider--vertical[data-v-84aa9162]{height:2rem}.header .middle[data-v-84aa9162]{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.header .middle[data-v-84aa9162] .el-input__inner{border:1px solid #dee0e3;border-radius:6px}.header .middle[data-v-84aa9162] .el-input__prefix{left:10px;top:-1px}.header .middle[data-v-84aa9162] .el-input__inner:focus{outline:0}.header .middle .el-input-group__prepend[data-v-84aa9162],.header .middle[data-v-84aa9162] .el-input-group__append{background-color:var(--color-g);color:#fff;border:1px solid var(--color-g)}.header .right[data-v-84aa9162]{align-items:center;border-left:1px solid #ccc;padding-left:20px;position:absolute;right:0}.main-class[data-v-84aa9162]{height:calc(100% - var(--header-height))}.course-menu .group-title[data-v-84aa9162]{font-size:16px;font-weight:600}.course-menu .group-body[data-v-84aa9162]{margin-left:10px;font-size:16px}.el-popper[data-v-84aa9162]{max-height:60vh;overflow:auto}.main-box[data-v-84aa9162]{height:calc(100% - 60px)}