        /* ===== 全局 ===== */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: #f5f7fa;
            color: #1a202c;
            line-height: 1.8;
            padding: 20px;
        }
        .container {
            max-width: 860px;
            margin: 0 auto;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06);
            padding: 40px 45px;
        }

        /* ===== 返回导航 ===== */
        .back-link {
            display: inline-block;
            margin-bottom: 30px;
            color: #2b6cb0;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s;
        }
        .back-link:hover {
            color: #1a365d;
            text-decoration: underline;
        }

        /* ===== 文章标题 ===== */
        .article-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #1a202c;
        }

        /* ===== 元信息 ===== */
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: #718096;
            border-bottom: 1px solid #e8ecf1;
            padding-bottom: 18px;
            margin-bottom: 28px;
        }
        .article-meta .source a {
            color: #2b6cb0;
            text-decoration: none;
        }
        .article-meta .source a:hover {
            text-decoration: underline;
        }

        /* ===== 正文 ===== */
        .article-content {
            font-size: 17px;
            color: #2d3748;
            word-break: break-word;
        }
        .article-content p {
            margin-bottom: 1.2em;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 20px 0;
        }
        .article-content blockquote {
            border-left: 4px solid #2b6cb0;
            padding-left: 20px;
            margin: 20px 0;
            color: #4a5568;
            background: #f7fafc;
            padding: 12px 20px;
            border-radius: 0 8px 8px 0;
        }
        .article-content pre {
            background: #2d3748;
            color: #e2e8f0;
            padding: 16px;
            border-radius: 8px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-content ul, .article-content ol {
            padding-left: 24px;
            margin-bottom: 1.2em;
        }
        .article-content a {
            color: #2b6cb0;
            text-decoration: underline;
        }

        /* ===== 底部 ===== */
        .article-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid #e8ecf1;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: #718096;
        }
        .article-footer .back-home {
            background: #edf2f7;
            padding: 8px 20px;
            border-radius: 30px;
            color: #2b6cb0;
            text-decoration: none;
            transition: background 0.2s;
        }
        .article-footer .back-home:hover {
            background: #2b6cb0;
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 640px) {
            .container { padding: 20px; }
            .article-title { font-size: 24px; }
            .article-content { font-size: 16px; }
        }
		
		/* 翻页样式（可移入page.css） */
        .article-nav {
            display: flex;
            justify-content: space-between;
            margin: 30px 0 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
            font-size: 15px;
        }
        .article-nav a {
            color: #2b6cb0;
            text-decoration: none;
            max-width: 45%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-nav a:hover {
            text-decoration: underline;
        }
        .article-nav .disabled {
            color: #999;
        }
        @media (max-width: 640px) {
            .article-nav {
                flex-direction: column;
                gap: 10px;
            }
            .article-nav a, .article-nav .disabled {
                max-width: 100%;
            }
        }