* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #3498db;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #1a252f;
            --text: #333;
            --text-light: #7f8c8d;
            --shadow: 0 5px 15px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: 80px 0;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary);
            color: white;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: #2980b9;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--accent);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .logo span {
            color: var(--accent);
        }
        .nav-desktop {
            display: flex;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop ul {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
            padding: 5px 0;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-desktop a:hover {
            color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 80px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 80px);
            background-color: white;
            transition: var(--transition);
            padding: 30px;
            box-shadow: var(--shadow);
            z-index: 999;
            overflow-y: auto;
        }
        .nav-mobile.active {
            left: 0;
        }
        .nav-mobile ul {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .nav-mobile a {
            font-size: 1.3rem;
            font-weight: 600;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            display: block;
        }
        .nav-mobile a:hover {
            color: var(--accent);
            padding-left: 10px;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 10px;
            font-size: 0.8rem;
        }
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1586105251261-72a756497a11?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .search-box {
            max-width: 700px;
            margin: 40px auto 0;
            background: white;
            border-radius: var(--border-radius);
            padding: 10px;
            display: flex;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 15px;
            font-size: 1.1rem;
            outline: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
        }
        .search-box button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #2980b9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-content h2, .article-content h3, .article-content h4 {
            color: var(--primary);
            margin-top: 40px;
            margin-bottom: 20px;
        }
        .article-content h2 {
            font-size: 2rem;
            border-left: 5px solid var(--accent);
            padding-left: 15px;
        }
        .article-content h3 {
            font-size: 1.7rem;
        }
        .article-content h4 {
            font-size: 1.4rem;
            color: var(--secondary);
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content strong {
            color: var(--dark);
            font-weight: 700;
        }
        .highlight-box {
            background-color: var(--light);
            border-left: 4px solid var(--secondary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-container {
            margin: 40px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 0 auto 15px;
        }
        .image-container figcaption {
            font-style: italic;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #f1c40f;
            margin-bottom: 15px;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-result {
            font-size: 1.2rem;
            font-weight: bold;
            margin-top: 10px;
            color: var(--primary);
        }
        .comments-section {
            margin-top: 60px;
        }
        .comment-form {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        .comment-form h3 {
            margin-bottom: 25px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--primary);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .comments-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .comment {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .footer-links {
            background-color: var(--light);
            padding: 50px 0 30px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            background: white;
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            border-left: 3px solid var(--secondary);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary);
            font-weight: 600;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col a {
            color: #bdc3c7;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }