* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
            max-width: 100vw;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #1a5276;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            text-align: center;
            margin: 2rem auto;
            padding-bottom: 1rem;
            border-bottom: 3px solid #2980b9;
            max-width: 90%;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 3rem;
            padding-left: 1rem;
            border-left: 5px solid #3498db;
        }
        h3 {
            font-size: 1.8rem;
            color: #2874a6;
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #2e86c1;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #1a5276;
            font-weight: 700;
        }
        em {
            color: #7d3c98;
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background: linear-gradient(90deg, #1a5276 0%, #2e86c1 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: #aed6f1;
            font-style: italic;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            padding: 0.5rem;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e8f4fc;
            border-bottom: 1px solid #d1e7f7;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: #2980b9;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin: 2rem auto;
            width: 95%;
            max-width: 1100px;
        }
        .article-content {
            padding: 0 2.5rem;
        }
        .interactive-section {
            background: #f8f9fa;
            border: 2px solid #d6eaf8;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 6px 12px rgba(52,152,219,0.1);
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2.5rem;
        }
        .interactive-section h3 {
            color: #1a5276;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: grid;
            gap: 1.2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        label {
            font-weight: 600;
            color: #2c3e50;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 2px solid #bdc3c7;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52,152,219,0.2);
        }
        button {
            background: linear-gradient(90deg, #2980b9, #3498db);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            max-width: 250px;
        }
        button:hover {
            background: linear-gradient(90deg, #1a5276, #2980b9);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(41,128,185,0.3);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #f1c40f;
            margin: 1rem 0;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2.5rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .info-box {
            background: linear-gradient(135deg, #e8f4fc 0%, #d1e7f7 100%);
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box h4 {
            color: #1a5276;
            margin-top: 0;
        }
        .long-tail-links {
            background: #1a5276;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .web-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            margin: 0.8rem;
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .web-link a {
            color: #aed6f1;
            text-decoration: none;
            font-weight: 500;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        footer {
            background: #154360;
            color: white;
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #d6eaf8;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .article-content { padding: 0 1.5rem; }
        }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; gap: 1rem; }
            .hamburger { display: flex; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            main { width: 98%; margin: 1rem auto; }
            .interactive-section { padding: 1.5rem; }
        }
        @media (max-width: 576px) {
            .container { padding: 0 1rem; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            .article-content { padding: 0 1rem; }
            .logo { font-size: 2rem; }
            button { width: 100%; max-width: none; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            header, .interactive-section, .long-tail-links, footer { display: none; }
            body { background: white; }
            main { box-shadow: none; }
        }