* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fefefe;
            background-image: linear-gradient(to bottom right, #f9f9f9, #fff);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0;
            overflow-x: hidden;
        }
        a { color: #c62828; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #8e0000; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 95%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .site-header {
            background: linear-gradient(135deg, #8b0000, #c62828);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(139, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            font-family: 'Georgia', serif;
        }
        .logo a { color: white; text-decoration: none; }
        .logo a:hover { text-shadow: 0 0 8px rgba(255, 255, 255, 0.7); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            font-size: 1.05rem;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f5f5f5;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #888;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #c62828; }
        .search-section {
            background: #f1f8ff;
            padding: 2rem 0;
            text-align: center;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.2rem;
            border: 2px solid #c62828;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: #c62828;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #8e0000; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
        }
        .article-meta i { margin-right: 5px; }
        h1 {
            color: #8b0000;
            font-size: 2.8rem;
            margin-bottom: 1.2rem;
            line-height: 1.2;
        }
        h2 {
            color: #a71c1c;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        h3 {
            color: #333;
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            background-color: #f9f9f9;
            padding: 1.2rem;
            border-left: 5px solid #c62828;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #ffeb3b;
            margin: 1.5rem 0;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border: 1px solid #eee;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        blockquote {
            border-left: 5px solid #c62828;
            background-color: #f9f9f9;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .strategy-card {
            background: white;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            padding: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .strategy-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }
        .strategy-card h4 {
            color: #8b0000;
            margin-bottom: 0.8rem;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar h3 {
            font-size: 1.4rem;
            color: #8b0000;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .widget-list {
            list-style: none;
        }
        .widget-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .widget-list a { color: #444; display: block; }
        .widget-list a:hover { color: #c62828; padding-left: 5px; }
        .rating-widget {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            margin: 2.5rem 0;
            border: 1px solid #e9ecef;
        }
        .stars {
            font-size: 2.2rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i { margin: 0 3px; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #c62828;
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
        }
        .submit-btn {
            background: #c62828;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #8e0000; }
        .long-tail-links {
            background: #2c2c2c;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            background: #3a3a3a;
            color: #ddd;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #c62828;
            color: white;
            transform: translateY(-3px);
        }
        .links-container {
            text-align: center;
            max-width: 1000px;
            margin: 0 auto;
        }
        .site-footer {
            background: #1a1a1a;
            color: #aaa;
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-start;
            gap: 2rem;
        }
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li { margin-bottom: 0.7rem; }
        .footer-col a { color: #ccc; }
        .footer-col a:hover { color: #fff; }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .main-nav a { display: block; padding: 0.8rem; }
            .hamburger { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .article-content { padding: 1.5rem; }
            .sidebar { position: static; }
        }