* {
            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;
        }

        .articles {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .article-card {
            background-color: #fff;
            border-radius: 12px;
            padding: 28px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: all 0.3s;
            border: 1px solid #f0f0f0;
        }

        .article-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }

        .category-badge {
            padding: 4px 12px;
            background-color: #f0fdf4;
            color: #22c55e;
            font-size: 12px;
            border-radius: 12px;
            font-weight: 500;
        }

        .publish-date {
            font-size: 13px;
            color: #999;
        }

        .article-title {
            font-size: 20px;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 12px;
            cursor: pointer;
            transition: color 0.3s;
            line-height: 1.4;
        }

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

        .article-title a {
            color: inherit;
            text-decoration: none;
        }

        .article-excerpt {
            font-size: 14px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            padding: 4px 10px;
            background-color: #f5f5f5;
            color: #666;
            font-size: 12px;
            border-radius: 6px;
        }

        .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;
        }

        .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;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 24px 0 16px;
            font-size: 14px;
            color: #666;
            flex-wrap: wrap;
        }

        .pagination a {
            color: #666;
            text-decoration: none;
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .pagination a:hover {
            color: #22c55e;
            background-color: #f0fdf4;
        }

        .pagination select {
            padding: 8px 12px;
            border: 1px solid #e5e5e5;
            border-radius: 8px;
            font-size: 14px;
            color: #333;
            background-color: #fff;
            cursor: pointer;
            outline: none;
        }

        .pagination select:focus {
            border-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-card {
                padding: 20px;
            }

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

            .article-excerpt {
                font-size: 14px;
            }

            .sidebar-section {
                padding: 20px;
            }

            .pagination {
                padding: 20px 0 12px;
                gap: 6px;
            }

            .pagination a {
                padding: 6px 12px;
                font-size: 13px;
            }
        }

        /* 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-card {
                padding: 16px;
            }

            .article-meta {
                gap: 12px;
                margin-bottom: 12px;
            }

            .category-badge {
                padding: 3px 10px;
                font-size: 11px;
            }

            .publish-date {
                font-size: 12px;
            }

            .article-title {
                font-size: 17px;
                margin-bottom: 10px;
            }

            .article-excerpt {
                font-size: 13px;
                line-height: 1.7;
                margin-bottom: 12px;
            }

            .tag {
                padding: 3px 8px;
                font-size: 11px;
            }

            .sidebar-section {
                padding: 16px;
            }

            .sidebar-title {
                font-size: 15px;
                margin-bottom: 16px;
                padding-bottom: 10px;
            }

            .category-item {
                padding: 8px 0;
                font-size: 13px;
            }

            .recent-item {
                padding: 10px 0;
            }

            .recent-item a,
            .recent-title {
                font-size: 12px;
            }

            .pagination {
                padding: 16px 0 10px;
                font-size: 13px;
            }

            .pagination a {
                padding: 5px 10px;
                font-size: 12px;
            }

            .pagination select {
                padding: 6px 10px;
                font-size: 12px;
            }
        }