* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a237e;
            --secondary: #ff9800;
            --accent: #4caf50;
            --light: #f5f5f5;
            --dark: #212121;
            --gray: #757575;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #fff;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #283593);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 1px;
            color: var(--secondary);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .logo span {
            color: white;
        }
        nav ul {
            display: flex;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid var(--secondary);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: var(--gray);
            margin-bottom: 1.5rem;
        }
        .meta i {
            margin-right: 0.5rem;
            color: var(--secondary);
        }
        .featured-image {
            width: 80%;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            transition: var(--transition);
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: #444;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 152, 0, 0.1);
            border-left: 5px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background-color: #e8f5e9;
            border: 2px solid var(--accent);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .tip-box h4 {
            color: var(--accent);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border-top: 4px solid var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .search-section {
            background-color: var(--light);
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto 0;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #ccc;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: var(--secondary);
        }
        .search-btn {
            background: linear-gradient(to right, var(--secondary), #ff5722);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(to right, #e68900, #e64a19);
        }
        .interactive-section {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .rating-form, .comment-form {
            margin-top: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            direction: ltr;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--secondary);
            outline: none;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            background-color: #0d1b6b;
            transform: scale(1.05);
        }
        .longtail-links {
            background-color: var(--light);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.08);
            transition: var(--transition);
            border-left: 4px solid var(--accent);
        }
        .web-link:hover {
            transform: translateX(10px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            margin-bottom: 0.8rem;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .header-container { padding: 0 15px; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background-color: var(--primary);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                z-index: 999;
            }
            nav.active { left: 0; }
            nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .featured-image { width: 100%; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 50px; margin-bottom: 10px; }
            .stats-grid { grid-template-columns: 1fr; }
            .interactive-section { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            p { font-size: 1.1rem; }
            .meta { flex-direction: column; gap: 0.5rem; align-items: center; }
            .footer-container { grid-template-columns: 1fr; text-align: center; }
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: bold; }
        .text-secondary { color: var(--secondary); }
        .emoji { font-size: 1.3em; margin: 0 3px; }
        .line-spacing { line-height: 1.9; }