:root {
            --primary-color: #8B0000;
            --secondary-color: #2E8B57;
            --accent-color: #FFD700;
            --text-dark: #333333;
            --text-light: #F5F5F5;
            --bg-light: #FAF9F6;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .header-container {
            background: linear-gradient(135deg, var(--primary-color) 0%, #5a0000 100%);
            color: var(--text-light);
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 800;
            text-decoration: none;
            color: var(--accent-color);
            font-family: Georgia, serif;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
        }
        .logo i {
            color: var(--text-light);
        }
        .logo:hover {
            transform: scale(1.05);
            transition: var(--transition);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .nav-desktop a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }
        .search-form {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            padding: 0.3rem;
            box-shadow: var(--shadow);
        }
        .search-form input {
            border: none;
            padding: 0.7rem 1.2rem;
            min-width: 250px;
            outline: none;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.7rem 1.5rem;
            cursor: pointer;
            border-radius: 50px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background-color: #267349;
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: var(--border-radius);
        }
        .breadcrumb {
            max-width: var(--max-width);
            margin: 1.5rem auto;
            padding: 0 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--secondary-color);
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-color);
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .strategy-box {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 2rem;
            border-radius: var(--border-radius);
            border-left: 6px solid var(--primary-color);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .quote {
            font-style: italic;
            padding: 1.5rem;
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border-left: 5px solid var(--accent-color);
            font-size: 1.1rem;
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: var(--primary-color);
            margin-top: 1rem;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .responsive-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .responsive-img:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .feature-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: 0 4px 8px rgba(0,0,0,0.08);
            border-top: 4px solid var(--secondary-color);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.12);
        }
        .feature-card i {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-box {
            background: linear-gradient(135deg, var(--primary-color), #a52a2a);
            color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent-color);
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
        }
        button.submit-btn {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button.submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
        }
        .user-comments {
            margin-top: 2rem;
        }
        .comment {
            padding: 1.2rem;
            border-bottom: 1px solid #eee;
            margin-bottom: 1rem;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            color: #666;
        }
        .long-tail-section {
            max-width: var(--max-width);
            margin: 3rem auto 2rem;
            padding: 0 2rem;
        }
        .web-link {
            display: inline-block;
            background: white;
            margin: 0.8rem;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.08);
            transition: var(--transition);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .web-link:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: linear-gradient(135deg, #222 0%, #000 100%);
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--accent-color);
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            max-width: var(--max-width);
            margin: 3rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                padding: 0.5rem;
            }
            .logo {
                font-size: 2rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .search-form input {
                min-width: 200px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .main-container, .breadcrumb, .long-tail-section {
                padding: 1rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .feature-list, .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 800;
            color: var(--primary-color);
        }
        .divider {
            height: 3px;
            background: linear-gradient(to right, transparent, var(--primary-color), transparent);
            margin: 2.5rem 0;
        }