/* ==================== 文章详情页专用样式 ==================== */

.article-content {
    max-width: 800px;
    margin: 0 auto 4rem;
}

/* ==================== 文章头部 ==================== */
.article-header {
    padding-bottom: 2rem;
    margin-bottom: 2.5rem;
    border-bottom: 2px solid var(--border-color);
}

.article-main-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.article-meta-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.article-publish-date {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.article-category {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: white;
    background: var(--accent-orange);
    padding: 0.375rem 0.875rem;
    border-radius: 3px;
    font-weight: 500;
}

/* ==================== 重点摘要 ==================== */
.article-summary {
    background: linear-gradient(135deg, rgba(212, 132, 90, 0.08), rgba(160, 82, 45, 0.06));
    border-left: 4px solid var(--accent-orange);
    padding: 2rem;
    margin-bottom: 3rem;
    border-radius: 4px;
}

.summary-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent-brown);
    margin-bottom: 1rem;
    font-style: italic;
}

.article-summary p {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.article-summary p:last-child {
    margin-bottom: 0;
}

/* ==================== 正文 ==================== */
.article-body h2 {
    font-family: var(--font-serif);
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2.5rem 0 1.25rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.article-body p {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.article-body ul,
.article-body ol {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-primary);
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.75rem;
}

.article-body strong {
    font-weight: 600;
    color: var(--accent-brown);
}

/* 对比数据说明框 */
.comparison-note {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 4px;
}

.comparison-note p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.data-source {
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    font-style: italic;
}

/* 原文链接 */
.source-link {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.source-link a {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--accent-orange);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.source-link a:hover {
    color: var(--accent-brown);
    text-decoration: underline;
}

/* ==================== 底部导航 ==================== */
.article-footer-nav {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

.back-link {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    display: inline-block;
}

.back-link:hover {
    color: var(--accent-orange);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .article-content {
        padding: 0;
    }
    
    .article-main-title {
        font-size: 1.75rem;
    }
    
    .article-meta-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .summary-title {
        font-size: 1.2rem;
    }
    
    .article-summary {
        padding: 1.5rem;
    }
    
    .article-summary p {
        font-size: 0.95rem;
    }
    
    .article-body h2 {
        font-size: 1.4rem;
        margin: 2rem 0 1rem;
    }
    
    .article-body p,
    .article-body ul,
    .article-body ol {
        font-size: 1rem;
    }
    
    .article-body ul,
    .article-body ol {
        padding-left: 1.5rem;
    }
}