.article-page {
    display: flex;
    gap: 24px;
    margin-top: 30px;
}

/* 文章主体 */
.article-main {
    flex: 3;
}

.article-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: #888;
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-content {
    color: #333;
    line-height: 1.8;
    font-size: 16px;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 30px 0 15px;
    padding-left: 15px;
    border-left: 4px solid #1e40af;
}

.article-content img {
    max-width: 100%;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* 侧边栏 */
.article-sidebar {
    flex: 1;
}

.sidebar-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(30, 64, 175, 0.2);
}

.sidebar-list li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.sidebar-list a {
    font-size: 14px;
    color: #555;
    display: block;
    line-height: 1.5;
    transition: all 0.3s ease;
}

.sidebar-list a:hover {
    color: #1e40af;
    padding-left: 8px;
}

@media (max-width: 768px) {
    .article-page {
        flex-direction: column;
    }

    .article-card {
        padding: 24px;
    }

    .article-title {
        font-size: 24px;
    }

    .sidebar-card {
        position: static;
    }
}