* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --primary-dark: #0d47a1;
            --secondary: #ff6f00;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --border: #dadce0;
        }
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
        }
        .logo span {
            color: var(--secondary);
        }
        .logo:hover {
            opacity: 0.9;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-box {
            margin-left: 2rem;
            display: flex;
        }
        .search-box input {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 4px 0 0 4px;
            width: 200px;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        .search-box button:hover {
            background-color: var(--primary-dark);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--light);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:last-of-type {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 8px;
            overflow: hidden;
        }
        .article-header {
            padding: 2rem;
            background: linear-gradient(135deg, var(--dark), #3a3a3a);
            color: white;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #ccc;
            font-size: 0.9rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .content {
            padding: 2rem;
        }
        h2, h3 {
            color: var(--dark);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
        }
        h2 {
            font-size: 1.8rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #e8f0fe;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .image-caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
        }
        ul, ol {
            margin: 1rem 0 1rem 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .interactive-section {
            background-color: var(--light);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .interactive-section h3 {
            border: none;
            margin-top: 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.1);
        }
        textarea, input[type="text"], input[type="email"] {
            padding: 1rem;
            border: 1px solid var(--border);
            border-radius: 4px;
            width: 100%;
            font-size: 1rem;
        }
        button[type="submit"] {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            align-self: flex-start;
            transition: background-color 0.3s;
        }
        button[type="submit"]:hover {
            background-color: var(--primary-dark);
        }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            padding: 2rem 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-top: 3rem;
        }
        .web-link {
            background: var(--light);
            padding: 1rem;
            border-radius: 6px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .copyright {
            font-size: 0.9rem;
            color: #ccc;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            font-size: 1.2rem;
        }
        .social-links a {
            color: white;
        }
        .social-links a:hover {
            color: var(--secondary);
        }
        @media (max-width: 768px) {
            .nav-links, .search-box {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark);
                padding: 1rem;
                gap: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .search-box.active {
                display: flex;
                width: 100%;
                margin: 1rem 0 0;
            }
            .search-box.active input {
                width: 100%;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .longtail-links {
                grid-template-columns: 1fr;
            }
            .footer-container {
                flex-direction: column;
                text-align: center;
            }
        }