.course-reader-section {
    background: var(--soft);
}

.course-reader-layout > .course-reader-content {
    padding: clamp(28px, 3vw, 40px);
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 14px 34px rgba(47, 95, 150, 0.08);
}

.course-reader-content .course-reader-head {
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
}

.course-reader-content .article-body.course-chapter-body {
    margin: 0;
    padding: 28px 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

@media (max-width: 560px) {
    .course-reader-layout > .course-reader-content {
        padding: 20px;
        border-radius: 10px;
    }

    .course-reader-content .course-reader-head {
        padding-bottom: 18px;
    }

    .course-reader-content .article-body.course-chapter-body {
        padding: 22px 0;
    }
}