.section-inner {
    position: relative;
    width: 100%;
    max-width: 1440px;
    padding: 0 20px;
    margin: 0 auto;
}

.mine-header-wrap {
    width: 100%;
    background-color: #D1D7DC;
}

.section-mine-header {
    padding: 24px;
}

.mine-infos {
    display: flex;
    align-items: center;
    grid-gap: 24px;
    font-weight: 500;
    font-size: 15px;
}

.user-infos-r{
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.section-mine-container {
    display: flex;
    grid-gap: 56px;
}


.side-nav-wrap {
    align-self: flex-start;
    position: sticky;
    top: 10px;
    width: 100%;
    max-width: 150px;
    padding: 78px 0;
    white-space: nowrap;
}

.side-nav-list {
    display: flex;
    flex-direction: column;
    grid-gap: 36px;
}

.side-nav-item {
    cursor: pointer;
    width: 100%;
    height: 50px;
    line-height: 50px;
    background-color: transparent;
    color: var(--theme-color);
    text-align: center;
    border-radius: 4px;
}

.side-nav-item.active {
    background-color: var(--theme-color);
    color: var(--fg-color);
}

/* course-wrap */
.course-recommend-wrap {
    padding: 60px 0;
}

.course-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
}

.course-inner {
    display: grid;
    grid-template-columns: repeat(auto-fill, 335px);
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
    border: 1px solid #D1D7DC;
}


@media screen and (max-width: 600px) {
    .section-mine-container {
        flex-direction: column;
        grid-gap: 0;
        padding: 0;
    }

    .section-mine-header{
        padding: 10px 20px;
    }

    .main-content-page {
        padding: 20px !important;
    }

    .side-nav-wrap {
        position: sticky;
        z-index: 2;
        top: 60px;
        max-width: 100%;
        padding: 20px 20px 0 20px;
        background-color: var(--bg-color);
        overflow: scroll;
    }

    .side-nav-list {
        flex-direction: row;
        grid-gap: 20px;
    }

    .side-nav-item {
        width: auto;
        height: 38px;
        line-height: 38px;
        font-size: 15px;
        padding: 0 10px;
    }

    .course-recommend-wrap {
        padding-top: 20px;
    }

    .course-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .course-inner {
        grid-template-columns: repeat(auto-fill, 100%);
        grid-gap: 40px;
    }
}