* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        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, #1e3c72, #2a5298);
            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 {
            font-size: 2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ffdd40;
        }
        nav ul {
            display: flex;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #ffdd40;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #6c757d;
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid #2a5298;
        }
        .article-header h1 {
            font-size: 3rem;
            color: #1e3c72;
            margin-bottom: 1rem;
        }
        .article-header p {
            font-size: 1.2rem;
            color: #666;
            max-width: 800px;
            margin: 0 auto;
        }
        .content-section {
            padding: 2rem;
        }
        .content-section h2 {
            font-size: 2.2rem;
            color: #2a5298;
            margin-bottom: 1.5rem;
            border-left: 5px solid #ffdd40;
            padding-left: 1rem;
        }
        .content-section h3 {
            font-size: 1.8rem;
            color: #1e3c72;
            margin: 1.5rem 0 1rem;
        }
        .content-section p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background: #fff3cd;
            padding: 1.5rem;
            border-left: 4px solid #ffc107;
            margin: 2rem 0;
            border-radius: 5px;
        }
        .feature-image {
            width: 80%;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .interactive-box {
            background: #f8f9fa;
            border: 2px solid #dee2e6;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            text-align: center;
        }
        .interactive-box h3 {
            color: #28a745;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            padding: 0.8rem 2rem;
            background: #28a745;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        button:hover {
            background: #218838;
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
        }
        .rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        .footer-links {
            background: #343a40;
            color: white;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .footer-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .web-link {
            background: #495057;
            padding: 1rem;
            border-radius: 5px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: #6c757d;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ffdd40;
            font-weight: 600;
        }
        footer {
            background: #212529;
            color: #adb5bd;
            text-align: center;
            padding: 2rem 0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e3c72;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 4px 8px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .content-section h2 {
                font-size: 1.8rem;
            }
            .content-section h3 {
                font-size: 1.5rem;
            }
            .feature-image {
                width: 100%;
            }
            .footer-links .container {
                grid-template-columns: 1fr;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .bold {
            font-weight: 800;
            color: #1e3c72;
        }
        .line-break {
            height: 1px;
            background: #dee2e6;
            margin: 2rem 0;
        }