* { 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: #f9f7f4;
            max-width: 1600px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Georgia', serif; color: #2c3e50; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; line-height: 1.2; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid #e67e22; padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; color: #3498db; }
        p { margin-bottom: 1.2rem; font-size: 1.1rem; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e67e22; }
        strong { color: #c0392b; }
        em { font-style: italic; color: #555; }
        .container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .main-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            font-family: 'Trebuchet MS', sans-serif;
            letter-spacing: 1px;
        }
        .logo span { color: #f1c40f; }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li { margin-left: 2rem; }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.3rem;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            border-bottom-color: #f1c40f;
            color: #f1c40f;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #ecf0f1;
            padding: 0.8rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #e67e22; }
        .breadcrumb span { color: #95a5a6; margin: 0 5px; }
        .search-container {
            background: #34495e;
            padding: 1.5rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-btn {
            background: #e67e22;
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #d35400; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .featured-img {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-img img {
            border-radius: 8px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 5px solid #f1f1f1;
        }
        .img-caption {
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar h3 {
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            color: #2c3e50;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3498db;
        }
        .review-form, .rating-form {
            background: #f8f9fa;
            padding: 1.8rem;
            border-radius: 8px;
            margin-top: 2rem;
            border-left: 5px solid #3498db;
        }
        .form-group { margin-bottom: 1.2rem; }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            background: #2ecc71;
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #27ae60; }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 1.8rem;
            color: #ddd;
        }
        .star-rating input { display: none; }
        .star-rating label { cursor: pointer; margin-right: 5px; }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #f1c40f; }
        .longtail-links {
            background: #2c3e50;
            color: white;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background: #34495e;
            padding: 1.2rem;
            border-radius: 6px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: #3d566e;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ecf0f1;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover { color: #f1c40f; }
        .main-footer {
            background: #1a252f;
            color: #bdc3c7;
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }
        .copyright { font-size: 0.95rem; margin-top: 2rem; }
        .copyright a { color: #3498db; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                align-items: center;
            }
            .main-nav li {
                margin: 0.8rem 0;
                margin-left: 0;
            }
            .hamburger { display: block; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 4px; margin-bottom: 0.5rem; }
            .web-link-container { grid-template-columns: 1fr; }
            .footer-content { flex-direction: column; }
        }