/* 热门推荐组件样式 */
.popular-recommendations {
    margin: 48px 0;
}

.recommendations-grid {
    display: flex;
    justify-content: space-between;
    gap: 32px;
}

.recommendation-column {
    background: #ffffff;
}

.column-header {
    margin-bottom: 8px;
    height: 32px;
}

.column-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    padding-bottom: 0;
    display: inline-block;
}

.column-content {
    /* 为没有标题的列预留空间，防止错位 */
    min-height: 200px;
}

.recommendation-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recommendation-list li {
    margin-bottom: 0;
}

.recommendation-list li:last-child {
    margin-bottom: 0;
}

.recommendation-list a {
    color: #6c757d;
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: color 0.3s ease;
    display: block;
    padding: 4px 0;
}

.recommendation-list a:hover {
    color: #007bff;
    text-decoration: none;
}

/* 空标题列的样式调整 */
.recommendation-column:has(.column-header:empty) .column-content,
.recommendation-column .column-header:empty + .column-content {
    margin-top: 48px; /* 与有标题列的总高度对齐 */
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .recommendations-grid {
        flex-wrap: wrap;
        gap: 24px;
    }

    .recommendation-column {
        flex: 1 1 calc(33.333% - 16px);
        min-width: 200px;
    }
}

@media (max-width: 992px) {
    .recommendations-grid {
        flex-wrap: wrap;
        gap: 24px;
    }

    .recommendation-column {
        flex: 1 1 calc(50% - 12px);
        min-width: 200px;
    }
}

@media (max-width: 768px) {
    .recommendations-grid {
        flex-direction: column;
        gap: 32px;
    }

    .recommendation-column {
        flex: none;
        min-width: auto;
    }

    .popular-recommendations {
        margin: 32px 0;
    }

    .column-content {
        min-height: auto;
    }

    .recommendation-column:has(.column-header:empty) .column-content,
    .recommendation-column .column-header:empty + .column-content {
        margin-top: 0;
    }
}