:root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #e94560;
            --text: #333;
            --text-light: #666;
            --bg: #f8f9fa;
            --white: #fff;
            --border: #e0e0e0;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .site-header {
            background: var(--primary);
            padding: 15px 0;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            color: var(--white);
            font-size: 24px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .logo span {
            color: var(--accent);
        }

        .nav-links a {
            color: var(--white);
            text-decoration: none;
            margin-left: 25px;
            font-size: 14px;
            opacity: 0.9;
            transition: opacity 0.3s;
        }

        .nav-links a:hover {
            opacity: 1;
        }

        /* Article Header */
        .article-header {
            background: var(--white);
            padding: 50px 0 30px;
            border-bottom: 1px solid var(--border);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-light);
        }

        .article-category {
            background: var(--accent);
            color: var(--white);
            padding: 4px 12px;
            border-radius: 3px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .article-title {
            font-size: 36px;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .article-subtitle {
            font-size: 18px;
            color: var(--text-light);
            font-weight: 400;
            line-height: 1.5;
        }

        .article-author {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 25px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            background: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 600;
        }

        .author-info .name {
            font-weight: 600;
            color: var(--primary);
        }

        .author-info .date {
            font-size: 13px;
            color: var(--text-light);
        }

        /* Article Content */
        .article-content {
            background: var(--white);
            padding: 40px 0 60px;
        }

        .article-content p {
            margin-bottom: 20px;
            font-size: 17px;
        }

        .article-content h2 {
            font-size: 26px;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .article-content h3 {
            font-size: 20px;
            color: var(--secondary);
            margin: 30px 0 15px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 20px 25px;
            margin: 25px 0;
            background: var(--bg);
            font-style: italic;
            font-size: 17px;
            color: var(--text-light);
        }

        .article-content blockquote cite {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-size: 14px;
            color: var(--text-light);
        }

        /* Model Table */
        .model-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: 15px;
        }

        .model-table th {
            background: var(--primary);
            color: var(--white);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }

        .model-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border);
        }

        .model-table tr:nth-child(even) {
            background: var(--bg);
        }

        .model-table tr:hover {
            background: #eef2f7;
        }

        .badge-repeat {
            background: var(--accent);
            color: var(--white);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-new {
            background: var(--secondary);
            color: var(--white);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        /* Highlight Box */
        .highlight-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            padding: 30px;
            border-radius: 8px;
            margin: 30px 0;
        }

        .highlight-box h3 {
            color: var(--white);
            margin-top: 0;
        }

        .highlight-box p {
            margin-bottom: 0;
            opacity: 0.9;
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg);
            padding: 40px;
            border-radius: 8px;
            margin: 40px 0;
            text-align: center;
        }

        .cta-section h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }

        .cta-button {
            display: inline-block;
            background: var(--accent);
            color: var(--white);
            padding: 14px 35px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 15px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(233, 69, 96, 0.3);
        }

        /* About Section */
        .about-section {
            border-top: 2px solid var(--border);
            margin-top: 40px;
            padding-top: 30px;
        }

        .about-section h3 {
            color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: var(--white);
            padding: 40px 0;
            margin-top: 0;
        }

        .site-footer .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
        }

        .footer-brand span {
            color: var(--accent);
        }

        .footer-contact {
            text-align: right;
            font-size: 14px;
            opacity: 0.9;
            line-height: 1.8;
        }

        .footer-contact a {
            color: var(--white);
            text-decoration: none;
        }

        /* Share Buttons */
        .share-section {
            display: flex;
            gap: 10px;
            margin: 30px 0;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .share-btn {
            padding: 8px 18px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            color: var(--white);
            transition: opacity 0.2s;
        }

        .share-btn:hover {
            opacity: 0.85;
        }

        .share-linkedin { background: #0077b5; }
        .share-twitter { background: #1da1f2; }
        .share-facebook { background: #4267B2; }
        .share-email { background: var(--text-light); }

        /* Breadcrumb */
        .breadcrumb {
            padding: 15px 0;
            font-size: 13px;
            color: var(--text-light);
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb span {
            margin: 0 8px;
        }

        /* Related Articles */
        .related-articles {
            background: var(--white);
            padding: 40px 0;
            border-top: 1px solid var(--border);
        }

        .related-articles h3 {
            color: var(--primary);
            margin-bottom: 20px;
        }

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

        .related-card {
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 20px;
            transition: box-shadow 0.2s;
        }

        .related-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .related-card .cat {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .related-card h4 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .related-card .date {
            font-size: 13px;
            color: var(--text-light);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .article-title {
                font-size: 26px;
            }

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

            .site-footer .container {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .footer-contact {
                text-align: center;
            }

            .model-table {
                font-size: 13px;
            }

            .model-table th,
            .model-table td {
                padding: 10px 12px;
            }
        }

        /* Print Styles */
        @media print {
            .site-header, .site-footer, .share-section, .cta-section, .related-articles {
                display: none;
            }

            .article-content {
                padding: 0;
            }
        }