* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            font-size: 16px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #004d99;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            color: #222;
            margin-bottom: 0.75rem;
            font-weight: 600;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid #ccc;
            padding-bottom: 0.5rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2rem;
            padding-left: 0.5rem;
            border-left: 4px solid #0066cc;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.5rem;
            color: #444;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1rem;
            color: #555;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        strong {
            font-weight: 700;
            color: #000;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #fff;
            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;
            padding: 1rem 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0066cc;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            text-decoration: none;
            color: #004d99;
        }
        .logo .my-logo {
            font-style: italic;
            background: linear-gradient(90deg, #0066cc, #00cc66);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            font-weight: 500;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
            font-size: 1rem;
        }
        nav a:hover {
            background-color: #f0f0f0;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #333;
            padding: 0.5rem;
        }
        main {
            flex: 1;
            padding: 2rem 0;
            background-color: #fff;
            margin: 1rem auto;
            border-radius: 8px;
            box-shadow: 0 0 15px rgba(0,0,0,0.05);
            width: 95%;
            max-width: 1200px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        article {
            padding: 0 1.5rem;
        }
        aside {
            padding: 1.5rem;
            background-color: #f9f9f9;
            border-left: 1px solid #ddd;
            border-radius: 8px;
        }
        section {
            margin-bottom: 2.5rem;
        }
        .info-box {
            background-color: #e9f7fe;
            border: 1px solid #b3e0ff;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        .highlight {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 1rem;
            margin: 1rem 0;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 0.75rem;
            text-align: left;
        }
        th {
            background-color: #f2f2f2;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        form {
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }
        button, .btn {
            background-color: #0066cc;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: background-color 0.3s ease;
            display: inline-block;
            text-align: center;
            min-height: 44px;
            min-width: 44px;
        }
        button:hover, .btn:hover {
            background-color: #004d99;
            text-decoration: none;
        }
        .btn-secondary {
            background-color: #6c757d;
        }
        .btn-secondary:hover {
            background-color: #545b62;
        }
        .img-container {
            margin: 1.5rem 0;
            text-align: center;
        }
        .img-container img {
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            margin: 0 auto;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .social-share {
            display: flex;
            gap: 1rem;
            margin: 2rem 0;
            flex-wrap: wrap;
        }
        .social-btn {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.25rem;
            border-radius: 50px;
            color: white;
            font-weight: 500;
        }
        .facebook { background-color: #3b5998; }
        .twitter { background-color: #1da1f2; }
        .reddit { background-color: #ff4500; }
        .whatsapp { background-color: #25d366; }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s, visibility 0.3s;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        footer {
            background-color: #222;
            color: #ddd;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            aside {
                border-left: none;
                border-top: 1px solid #ddd;
            }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.3rem; }
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #fff;
                position: absolute;
                top: 100%;
                left: 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                padding: 1rem;
                z-index: 999;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            nav a {
                display: block;
                padding: 0.75rem;
                border-bottom: 1px solid #eee;
            }
            .social-share {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .container, main {
                padding-left: 15px;
                padding-right: 15px;
            }
            button, .btn {
                padding: 0.75rem 1rem;
                font-size: 0.9rem;
            }
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .spacer { height: 1rem; }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .rating-stars {
            color: #ffc107;
            font-size: 1.2rem;
        }