/* 滚动淡入动画 */
        .fade-on-scroll {
            opacity: 0;
            transform: translateY(35px);
            transition: opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1), transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
        }
        .fade-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
        /* 文章主体容器 */
        .article-wrapper {
            margin-top: 100px; /* 避开导航 */
            background: var(--warm-surface);
            border-radius: 60px 60px 30px 30px;
            padding: 50px 40px;
            box-shadow: var(--shadow-warm);
            border: 1px solid rgba(179,139,74,0.15);
        }
        /* 文章头部 */
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #6b4f2e;
            line-height: 1.3;
            margin-bottom: 15px;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--text-muted);
            font-size: 1rem;
            border-bottom: 1px dashed var(--gold-light);
            padding-bottom: 20px;
        }
        .article-meta i {
            color: var(--gold);
            margin-right: 5px;
        }
        /* 文章主体内容样式 */
        .article-body {
            max-width: 800px;
            margin: 0 auto;
            font-size: 1.1rem;
            color: var(--text-dark);
        }
        .article-body h2 {
            font-size: 2rem;
            color: #6b4f2e;
            margin: 40px 0 20px;
            border-left: 6px solid var(--gold);
            padding-left: 20px;
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: #6b4f2e;
            margin: 30px 0 15px;
        }
        .article-body h4 {
            font-size: 1.3rem;
            color: var(--gold);
            margin: 25px 0 12px;
        }
        .article-body h5 {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin: 20px 0 10px;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 30px;
            margin: 30px 0;
            box-shadow: var(--shadow-warm);
            border: 1px solid rgba(179,139,74,0.2);
        }
        .article-body blockquote {
            background: rgba(179,139,74,0.05);
            border-left: 5px solid var(--gold);
            padding: 20px 25px;
            margin: 30px 0;
            border-radius: 0 30px 30px 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-body ul, .article-body ol {
            margin: 20px 0 20px 30px;
            color: var(--text-muted);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--gold);
            text-decoration: underline;
        }
        /* 上一篇下一篇导航 */
        .post-navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 60px;
            padding-top: 30px;
            border-top: 2px solid var(--warm-deep);
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--warm-card);
            padding: 12px 24px;
            border-radius: 60px;
            border: 1px solid rgba(179,139,74,0.2);
            transition: var(--transition-smooth);
            max-width: 45%;
        }
        .nav-link:hover {
            background: var(--gold);
            color: white;
            border-color: var(--gold);
            transform: translateY(-3px);
        }
        .nav-link i {
            font-size: 1rem;
            color: var(--gold);
        }
        .nav-link:hover i {
            color: white;
        }
        .nav-link .direction {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 3px;
        }
        .nav-link:hover .direction {
            color: rgba(255,255,255,0.8);
        }
        .nav-link .title {
            font-weight: 600;
            color: var(--text-dark);
        }
        .nav-link:hover .title {
            color: white;
        }
        .nav-link.next {
            text-align: right;
        }
        /* 相关文章 */
        .related-posts {
            margin-top: 60px;
        }
        .related-posts h3 {
            font-size: 2rem;
            color: #6b4f2e;
            text-align: center;
            margin-bottom: 30px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .related-card {
            background: var(--warm-card);
            border-radius: 36px;
            overflow: hidden;
            box-shadow: var(--shadow-warm);
            transition: var(--transition-smooth);
            border: 1px solid rgba(179,139,74,0.15);
        }
        .related-card:hover {
            transform: translateY(-8px);
            border-color: var(--gold);
            box-shadow: 0 30px 50px -12px rgba(179,139,74,0.4);
        }
        .related-card img {
            height: 160px;
            width: 100%;
            transition: transform 0.5s;
        }
        .related-card:hover img {
            transform: scale(1.05);
        }
        .related-info {
            padding: 20px 18px;
        }
        .related-info h4 {
            font-size: 1.2rem;
            color: #6b4f2e;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-info h4 a {
            color: inherit;
            transition: color 0.3s;
        }
        .related-info h4 a:hover {
            color: var(--gold);
        }
        .related-meta {
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px dashed #dacbb8;
            padding-top: 12px;
        }
        .related-meta i {
            color: var(--gold);
            margin-right: 4px;
        }
        /* 缩略图占位 */
        .article-thumb {
            width: 100%;
            height: auto;
            border-radius: 30px;
        }