样式调节

:deep(.el-tabs--card>.el-tabs__header) {
    border: 1px solid transparent;
    margin-left: -1px;

    .el-tabs__nav {

        border-top: 1px solid #D2D7E1;
        border-left: 1px solid #D2D7E1;
        border-right: 1px solid #D2D7E1;

    }
}

:deep(.el-tabs__content) {
    border: 1px solid #D2D7E1;
}