* {
            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;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        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);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #ffd700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            font-family: 'Arial Black', sans-serif;
        }
        .my-logo:hover {
            color: #ffed4e;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            margin-top: 1rem;
        }
        article {
            padding: 0 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #007bff;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ffd700;
            margin: 1.5rem 0;
            font-style: italic;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        b {
            color: #1a237e;
            font-weight: 700;
        }
        .feature-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .form-section {
            background-color: #f1f8ff;
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }
        button {
            background-color: #007bff;
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        button:hover {
            background-color: #0056b3;
        }
        .comments, .ratings {
            margin-top: 2rem;
            padding: 1.5rem;
            background-color: #f9f9f9;
            border-radius: 8px;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            margin: 0.5rem 0;
        }
        .star-rating i {
            color: #ffd700;
            cursor: pointer;
        }
        footer {
            background-color: #343a40;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: #ffd700;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #6c757d;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a237e;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }