* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #fafafa;
            color: #333;
            line-height: 1.6;
        }

        main {
            padding-bottom: 20px;
        }

        .hero {
            text-align: center;
            padding: 60px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 36px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 12px;
        }

        .hero-subtitle {
            font-size: 16px;
            color: #666;
            margin-bottom: 40px;
        }

        .article-list {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 60px; 
        }

        .article-content {
            display: flex;
            flex-direction: column;
        }

        .article-header {
            text-align: center; 
            margin-bottom: 32px;
        }

        .article-category {
            display: inline-block;
            padding: 6px 16px;
            background-color: #f0fdf4;
            color: #22c55e;
            font-size: 13px;
            border-radius: 20px; 
            font-weight: 500; 
        }

        .article-category a {
            text-decoration: none;
            color: #22c55e;
        }

        .article-title {
            font-size: 36px;
            font-weight: 700;
            color: #1a1a1a;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            color: #999;
            font-size: 14px;
        }

        .author-info {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .author-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: #22c55e;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
        }

        .content-section {
            background-color: #fff;
            border-radius: 12px;
            padding: 0 48px 48px 48px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0f0f0;
        }

        .content-section h2 {
            font-size: 22px;
            font-weight: 600;
            color: #1a1a1a;
            margin: 32px 0 16px;
            padding-top: 24px;
            border-top: 1px solid #f5f5f5;
        }

        .content-section h2:first-child {
            padding-top: 0;
            border-top: none;
            margin-top: 0;
        }

        .content-section h3 {
            font-size: 18px;
            font-weight: 600;
            color: #1a1a1a;
            margin: 24px 0 12px;
        }

        .content-section p {
            font-size: 15px;
            color: #444;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .content-section ul,
        .content-section ol {
            padding-left: 24px;
            margin-bottom: 16px;
        }

        .content-section li {
            font-size: 15px;
            color: #444;
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .content-section code {
            background-color: #f5f5f5;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: 'SF Mono', Monaco, 'Courier New', monospace;
            font-size: 14px;
            color: #dc2626;
        }

        .content-section pre {
            background-color: #1e1e1e;
            color: #d4d4d4;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 16px 0;
            font-family: 'SF Mono', Monaco, 'Courier New', monospace;
            font-size: 14px;
            line-height: 1.6;
        }

        .content-section blockquote {
            border-left: 4px solid #22c55e;
            padding-left: 20px;
            margin: 20px 0;
            color: #666;
            font-style: italic;
        }

        .content-section img {
            max-width: 100%;
            border-radius: 8px;
            margin: 16px 0;
        }

        .highlight-box {
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            border: 1px solid #bbf7d0;
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
        }

        .highlight-box h4 {
            color: #166534;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .highlight-box p {
            color: #15803d;
            font-size: 14px;
            margin-bottom: 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin: 24px 0;
        }

        .stat-card {
            background-color: #f8fafc;
            padding: 24px;
            border-radius: 12px;
            text-align: center;
        }

        .stat-value {
            font-size: 32px;
            font-weight: 700;
            color: #22c55e;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: #666;
        }

        .related-articles {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid #f0f0f0;
        }

        .related-title {
            font-size: 20px;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 20px;
        }

        .related-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .related-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background-color: #fafafa;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .related-item:hover {
            background-color: #f0fdf4;
        }

        .related-number {
            width: 24px;
            height: 24px;
            background-color: #22c55e;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .related-title-text {
            font-size: 14px;
            color: #333;
            line-height: 1.5;
        }

        .sidebar {
            position: sticky;
            top: 80px;
            height: fit-content;
        }

        .sidebar-section {
            background-color: #fff;
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 20px;
            border: 1px solid #f0f0f0;
        }

        .sidebar-title {
            font-size: 16px;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid #f0f0f0;
        }

        .sidebar-title a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }

        .sidebar-title a:hover {
            color: #22c55e;
        }

        .category-list {
            list-style: none;
        }

        .category-item {
            padding: 10px 0;
            font-size: 14px;
            color: #666;
            cursor: pointer;
            transition: color 0.3s;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .category-item:hover {
            color: #22c55e;
        }

        .category-count {
            font-size: 12px;
            color: #999;
            background-color: #f5f5f5;
            padding: 2px 8px;
            border-radius: 10px;
        }

        .recent-posts {
            list-style: none;
        }

        .recent-item {
            padding: 12px 0;
            border-bottom: 1px solid #f5f5f5;
            cursor: pointer;
        }

        .recent-item:last-child {
            border-bottom: none;
        }

        .recent-item a {
            font-size: 13px;
            color: #333;
            line-height: 1.5;
            transition: color 0.3s;
            text-decoration: none;
            display: block;
        }

        .recent-item:hover a {
            color: #22c55e;
        }

        .recent-title {
            font-size: 13px;
            color: #333;
            line-height: 1.5;
            transition: color 0.3s;
        }

        .recent-item:hover .recent-title {
            color: #22c55e;
        }

        .newscontent {
            margin-top: 50px;
            display: flex;
            border-radius: 5px;
            flex-direction: column;
        }

        .newscontent a {
            color: #22c55e;
        }

        /* 响应式设计 - 平板横屏 */
        @media (max-width: 1024px) {
            .hero {
                padding: 48px 20px;
            }

            .hero-title {
                font-size: 32px;
            }

            .article-list {
                gap: 30px;
            }
        }

        /* 响应式设计 - 平板竖屏/手机横屏 */
        @media (max-width: 768px) {
            .hero {
                padding: 40px 16px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .article-list {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 0 16px;
            }

            .sidebar {
                display: none;
            }

            .article-title {
                font-size: 28px;
            }

            .article-meta {
                flex-direction: column;
                gap: 12px;
            }

            .content-section {
                padding: 24px;
            }

            .content-section h2 {
                font-size: 20px;
                margin: 24px 0 12px;
                padding-top: 16px;
            }

            .content-section h3 {
                font-size: 17px;
                margin: 20px 0 10px;
            }

            .content-section p {
                font-size: 14px;
            }

            .content-section li {
                font-size: 14px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .related-list {
                grid-template-columns: 1fr;
            }

            .newscontent {
                margin-top: 32px;
            }
        }

        /* 响应式设计 - 手机 */
        @media (max-width: 480px) {
            .hero {
                padding: 32px 12px;
            }

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

            .hero-subtitle {
                font-size: 14px;
                margin-bottom: 32px;
            }

            .article-list {
                padding: 0 12px;
                gap: 20px;
            }

            .article-category {
                padding: 4px 12px;
                font-size: 12px;
                margin-bottom: 12px;
            }

            .article-title {
                font-size: 24px;
                margin-bottom: 16px;
            }

            .article-meta {
                font-size: 13px;
            }

            .author-avatar {
                width: 28px;
                height: 28px;
                font-size: 12px;
            }

            .content-section {
                padding: 16px;
            }

            .content-section h2 {
                font-size: 18px;
                margin: 20px 0 10px;
                padding-top: 12px;
            }

            .content-section h3 {
                font-size: 16px;
            }

            .content-section p {
                font-size: 13px;
                line-height: 1.7;
            }

            .content-section li {
                font-size: 13px;
            }

            .content-section code {
                font-size: 12px;
            }

            .content-section pre {
                padding: 16px;
                font-size: 12px;
            }

            .highlight-box {
                padding: 16px;
            }

            .highlight-box h4 {
                font-size: 13px;
            }

            .highlight-box p {
                font-size: 13px;
            }

            .stat-card {
                padding: 20px;
            }

            .stat-value {
                font-size: 28px;
            }

            .stat-label {
                font-size: 13px;
            }

            .related-articles {
                margin-top: 32px;
                padding-top: 24px;
            }

            .related-title {
                font-size: 18px;
            }

            .related-item {
                padding: 14px;
            }

            .related-title-text {
                font-size: 13px;
            }

            .newscontent {
                margin-top: 24px;
            }
        }