.lecture-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.subtitle {
    color: #4db8ff;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 30px;
}

.title {
    font-size: 32px;
    font-weight: 800;
    color: #333;
}

.card-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4¿­ ¹èÄ¡ */
    gap: 20px;
}

.card {
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-image img {
    width: 100%;
    height: auto;
    display: block;
}

.card-content {
    padding: 20px;
}

.instructor, .course-type {
    display: block;
    font-size: 13px;
    color: #888;
    margin-bottom: 4px;
}

.course-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin: 10px 0 15px 0;
    height: 44px; /* µÎ ÁÙ °íÁ¤ (¸»ÁÙÀÓ Ã³¸® ¿øÇÒ ½Ã Ãß°¡ ¼³Á¤ °¡´É) */
    line-height: 1.4;
}

.price-info {
    font-size: 15px;
}

.original-price {
    text-decoration: line-through;
    color: #bbb;
    margin-right: 5px;
}

.sale-price {
    color: #4db8ff;
    font-weight: bold;
}

.discount {
    color: #ff4d4d;
    font-weight: bold;
    font-size: 14px;
}

/* ¹ÝÀÀÇü: È­¸éÀÌ ÀÛ¾ÆÁö¸é 2¿­·Î º¯°æ */
@media (max-width: 1024px) {
    .card-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ¹ÝÀÀÇü: ¸ð¹ÙÀÏ¿¡¼­´Â 1¿­·Î º¯°æ */
@media (max-width: 600px) {
    .card-container {
        grid-template-columns: 1fr;
    }
}