* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f5f7fa;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .header {
            text-align: center;
            padding: 30px 0;
            margin-bottom: 20px;
        }
        .header h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        .header p {
            font-size: 1.2rem;
            color: #7f8c8d;
        }
        .tag-header {
            text-align: center;
            padding: 20px;
            background: #2c3e50;
            color: white;
            border-radius: 10px 10px 0 0;
            margin-bottom: 0;
        }
        .tag-info {
            background: #f0f5fd;
            padding: 15px;
            text-align: center;
            margin-bottom: 20px;
            border-radius: 0 0 10px 10px;
            font-size: 1.1rem;
        }
        .tag-cloud {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .tag-item {
            display: inline-block;
            margin: 8px 12px;
            padding: 10px 20px;
            background: #e3ecf8;
            color: #2c3e50;
            border-radius: 30px;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .tag-item:hover {
            background: #d0ddf0;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .tag-item span {
            font-size: 0.9rem;
            opacity: 0.8;
            margin-left: 5px;
        }
        .empty-state {
            text-align: center;
            padding: 50px 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .empty-state i {
            font-size: 5rem;
            color: #bdc3c7;
            margin-bottom: 20px;
        }
        .empty-state h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin-bottom: 15px;
        }
        .empty-state p {
            font-size: 1.1rem;
            color: #7f8c8d;
            margin-bottom: 25px;
        }
        .back-button {
            display: inline-block;
            padding: 12px 30px;
            background: #2c3e50;
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        .back-button:hover {
            background: #1a252f;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .back-button i {
            margin-right: 8px;
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }
        .article-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        .card-header {
            padding: 25px;
        }
        .card-date {
            color: #7f8c8d;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        .card-date i {
            margin-right: 5px;
        }
        .card-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .card-title a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s;
        }
        .card-title a:hover {
            color: #3498db;
        }
        .card-excerpt {
            color: #7f8c8d;
            line-height: 1.7;
        }
        .card-keywords {
            padding: 0 25px 25px;
        }
        .keyword-tag {
            display: inline-block;
            background: #e3ecf8;
            color: #2c3e50;
            padding: 8px 15px;
            border-radius: 30px;
            margin: 0 10px 10px 0;
            font-size: 0.95rem;
            transition: all 0.3s;
            text-decoration: none;
        }
        .keyword-tag:hover {
            background: #d0ddf0;
            transform: translateY(-2px);
        }
        .card-footer {
            padding: 0 25px 25px;
            display: flex;
            justify-content: center; /* 居中按钮 */
            align-items: center;
        }
        .read-more {
            display: inline-block;
            padding: 10px 20px;
            background: #2c3e50;
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .read-more:hover {
            background: #1a252f;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .read-more i {
            margin-right: 8px;
        }
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .page-item {
            margin: 5px;
        }
        .page-link {
            display: block;
            padding: 10px 18px;
            background: #e3ecf8;
            color: #2c3e50;
            border-radius: 8px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
        }
        .page-link:hover, .page-link.active {
            background: #2c3e50;
            color: white;
        }
        .page-link.disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }
        .page-ellipsis {
            padding: 10px;
            color: #7f8c8d;
        }
        .page-jump {
            display: flex;
            align-items: center;
            margin-left: 20px;
        }
        .page-jump span {
            margin-right: 10px;
            color: #7f8c8d;
        }
        .page-jump-input {
            width: 60px;
            padding: 8px;
            border: 1px solid #e0e7f0;
            border-radius: 8px;
            margin-right: 10px;
            text-align: center;
        }
        .page-jump-button {
            padding: 8px 15px;
            background: #2c3e50;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .page-jump-button:hover {
            background: #1a252f;
        }
        .footer {
            text-align: center;
            padding: 25px;
            color: #7f8c8d;
            font-size: 0.9rem;
            border-top: 1px solid #e0e7f0;
            margin-top: 20px;
        }
        .footer-links {
            margin-top: 15px;
        }
        .footer-link {
            color: #3498db;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: #2c3e50;
            text-decoration: underline;
        }
        .footer-link i {
            margin-right: 5px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .header h1 {
                font-size: 2rem;
            }
            .header p {
                font-size: 1rem;
            }
            .tag-item {
                font-size: 1rem;
                padding: 8px 15px;
            }
            .pagination {
                flex-direction: column;
            }
            .page-jump {
                margin: 20px 0 0;
            }
        }