* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #f6ad55;
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --dark-bg: #2d3748;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background-color: var(--light-bg);
            font-size: 18px;
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--accent-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .logo:hover {
            text-decoration: none;
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .desktop-nav a:hover {
            background-color: var(--secondary-color);
            text-decoration: none;
            transform: translateY(-3px);
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-nav a:hover {
            background-color: var(--secondary-color);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 5px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        main {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin: 2rem auto;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
        }
        .article-content {
            max-width: 900px;
            margin: 0 auto;
        }
        .highlight-box {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .tip-box {
            background-color: #f0fff4;
            border: 2px solid #68d391;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 10px;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .tip-box i {
            color: #38a169;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .warning-box {
            background-color: #fff5f5;
            border: 2px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 10px;
        }
        .search-form, .comment-form, .rating-form {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
        }
        button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        button:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f6ad55;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #e2e8f0;
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            body {
                font-size: 16px;
            }
            main {
                padding: 1rem;
            }
            .featured-image {
                height: 250px;
            }
        }
        @media (max-width: 480px) {
            .logo {
                font-size: 2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }