.article-container {
    display: flex;
    gap: 30px;
    padding: var(--section-padding);
    background: #f9f9f9;
    min-height: 600px;
}

/* 左侧相关文章 */
.related-articles {
    width: 280px;
    background: #fff;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.related-articles h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(193, 155, 118, 0.2);
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.article-item {
    display: block;
    padding: 12px 15px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
}

.article-item:hover,
.article-item.active {
    background: rgba(193, 155, 118, 0.1);
    color: var(--primary-color);
}

/* 右侧文章内容 */
.article-content {
    max-width: 1000px;
    margin:  0 auto;
    flex: 1;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.article-header {
    position: sticky;
    top: 0;
    background: #fff;
    padding: 20px 30px;
    border-bottom: 1px solid rgba(193, 155, 118, 0.2);
    z-index: 100;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.article-header h1 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 20px;
}

.audio-player {
    width: 100%;
    margin-bottom: 10px;
}

.audio-player audio {
    width: 100%;
}

.article-body {
    padding: 30px;
    line-height: 1.8;
}

/* 文章导航 */
.article-navigation {
    display: flex;
    justify-content: space-between;
    padding: 20px 30px;
    border-top: 1px solid rgba(193, 155, 118, 0.2);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 15px;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #ccc;
    color: #999;
}

.nav-btn:not(.disabled):hover {
    background: var(--primary-color);
    color: #fff;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .article-container {
        flex-direction: column;
    }

    .related-articles {
        width: 100%;
    }
}