* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #4a6fa5;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 0;
            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;
        }
        .logo a {
            color: #ffcc00;
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #fff;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #e0e0e0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover,
        nav a.active {
            color: #ffcc00;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ffcc00;
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:last-child {
            color: #495057;
            font-weight: bold;
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px dashed #dee2e6;
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            color: #4a148c;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e9ecef;
            font-size: 2rem;
        }
        h3 {
            color: #6a1b9a;
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 5px solid #ffcc00;
            border-radius: 5px;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffc107;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.5rem;
        }
        b, strong {
            color: #1a237e;
        }
        .article-image {
            float: right;
            margin: 1rem 0 1.5rem 2rem;
            max-width: 400px;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 5px solid white;
            shape-outside: margin-box;
        }
        .interactive-section {
            background: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .feature-box {
            background: white;
            padding: 1.8rem;
            border-radius: 8px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .feature-box h3 {
            color: #1a237e;
            margin-top: 0;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(to right, #4a148c, #1a237e);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: linear-gradient(to right, #5c1b9e, #283593);
            transform: scale(1.02);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .longtail-links {
            background: #e9ecef;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 6px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.05);
        }
        .web-link a {
            color: #495057;
            font-weight: 500;
        }
        .web-link a:hover {
            color: #1a237e;
            text-decoration: underline;
        }
        footer {
            background: #1a237e;
            color: #e0e0e0;
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            border-top: 1px solid #3949ab;
            padding-top: 1.5rem;
            width: 100%;
            font-size: 0.95rem;
            color: #b0b0b0;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .article-image {
                float: none;
                margin: 1.5rem auto;
                max-width: 80%;
            }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #4a148c;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav li {
                text-align: center;
                margin: 0.5rem 0;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .web-links-container {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
        }
        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .lead { font-size: 1.1rem; }
            .feature-box { padding: 1.2rem; }
        }