* {
            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: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            color: #2a6ebb;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1d4a7c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
            margin: 1rem 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background-color: #3d8b40;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .section-padding {
            padding: 60px 0;
        }
        .site-header {
            background: linear-gradient(135deg, #1a5f7a 0%, #2a9d8f 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
        }
        .logo-icon {
            margin-right: 10px;
            color: #ffde59;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #ffde59;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9f5f3;
            padding: 12px 20px;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            padding-left: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #2a6ebb;
        }
        .hero {
            background: linear-gradient(rgba(26, 95, 122, 0.9), rgba(42, 157, 143, 0.9)), url('https://images.unsplash.com/photo-1635070041078-e363dbe005cb?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 80px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.95;
        }
        .search-section {
            background-color: #fff;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: -40px auto 40px;
            max-width: 800px;
            position: relative;
            z-index: 2;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 16px 20px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #2a9d8f;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
        }
        .article-content h2 {
            color: #1a5f7a;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 10px;
            border-bottom: 3px solid #ffde59;
            font-size: 2.2rem;
        }
        .article-content h3 {
            color: #2a9d8f;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.7rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        .article-content strong {
            color: #1a5f7a;
            font-weight: 700;
        }
        .highlight-box {
            background-color: #f0f9ff;
            border-left: 5px solid #2a6ebb;
            padding: 25px;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-wrapper {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            margin: 0 auto;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #1a5f7a;
            margin-bottom: 20px;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: #2a9d8f;
        }
        .interactive-section {
            margin-top: 50px;
            padding-top: 40px;
            border-top: 2px dashed #ddd;
        }
        .rating-form, .comment-form {
            background-color: #f9f9f9;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0 25px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffc107;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #2a9d8f;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .footer-links {
            background-color: #2c3e50;
            padding: 50px 20px;
            margin-top: 60px;
        }
        .web-link {
            display: inline-block;
            margin: 8px 15px 8px 0;
            padding: 10px 20px;
            background-color: #3a5169;
            color: #ecf0f1;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: #4CAF50;
            color: white;
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: #1a252f;
            color: #bdc3c7;
            text-align: center;
            padding: 40px 20px;
            font-size: 0.95rem;
        }
        .copyright {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #2c3e50;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a5f7a;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 15px;
            }
            .hero {
                padding: 60px 20px;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .article-content {
                padding: 25px;
            }
            .article-content h2 {
                font-size: 1.9rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.9rem;
            }
            .btn {
                padding: 10px 22px;
            }
            .section-padding {
                padding: 40px 0;
            }
        }