* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a5276;
            --secondary: #e74c3c;
            --accent: #f39c12;
            --light: #f8f9fa;
            --dark: #2c3e50;
            --gray: #95a5a6;
            --success: #27ae60;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        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 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo span {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e8f4fc;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary), #2980b9);
            padding: 40px 0;
            text-align: center;
            color: white;
            margin-bottom: 40px;
        }
        .search-container {
            max-width: 700px;
            margin: 0 auto;
        }
        .search-section h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
        }
        .search-form {
            display: flex;
            margin-top: 25px;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 35px;
            border-radius: 0 50px 50px 0;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #c0392b;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 50px;
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid var(--primary);
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .content-section {
            margin-bottom: 40px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--gray);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight strong {
            color: var(--secondary);
        }
        ul, ol {
            padding-left: 30px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
            font-size: 1.05rem;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            border-radius: 10px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
        }
        .caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        tr:hover {
            background-color: #f1f7fd;
        }
        aside {
            background-color: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            margin-bottom: 20px;
        }
        .rating-widget {
            text-align: center;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 10px;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 15px 0;
        }
        .rating-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
            margin-top: 10px;
        }
        .rating-btn:hover {
            background-color: #154360;
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .comments-section {
            background-color: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 50px;
        }
        .comment-form {
            margin-top: 30px;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.1);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #c0392b;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            background-color: #2c3e50;
            padding: 40px;
            border-radius: 12px 12px 0 0;
            margin-top: 60px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            line-height: 1.5;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 40px 0;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 25px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            font-size: 1.5rem;
        }
        .social-links a {
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }
        .copyright {
            color: #bdc3c7;
            font-size: 0.95rem;
            max-width: 800px;
            line-height: 1.6;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }
            .search-section h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .footer-links {
                grid-template-columns: repeat(2, 1fr);
            }
            .search-section h1 {
                font-size: 1.8rem;
            }
            article, .comments-section {
                padding: 25px;
            }
        }
        @media (max-width: 576px) {
            .footer-links {
                grid-template-columns: 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            .search-btn {
                border-radius: 50px;
                padding: 15px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .emoji { font-size: 1.2rem; }
        .bold { font-weight: 700; color: var(--primary); }
        .keyword { background-color: #e8f4fc; padding: 2px 6px; border-radius: 4px; font-weight: 600; }