* {
            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;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2c8cff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #1a5fb4, #2c8cff);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a.my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .logo a.my-logo:hover {
            color: #ffd700;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        .burger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9ecef;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #2c8cff;
        }
        .search-container {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-form button {
            padding: 0.8rem 1.5rem;
            background-color: #2c8cff;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background-color: #1a5fb4;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        article {
            padding: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a5fb4;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2c8cff;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin-top: 1.5rem;
            margin-bottom: 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .feature-image {
            margin: 2rem 0;
            text-align: center;
        }
        .feature-image img {
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            max-width: 800px;
            margin: 0 auto;
        }
        .feature-image figcaption {
            margin-top: 0.5rem;
            font-style: italic;
            color: #666;
            font-size: 0.9rem;
        }
        .content-links {
            list-style: none;
            margin: 1.5rem 0;
            padding: 1rem;
            background-color: #f1f8ff;
            border-left: 4px solid #2c8cff;
            border-radius: 5px;
        }
        .content-links li {
            margin-bottom: 0.5rem;
        }
        .interaction-section {
            margin-top: 3rem;
            padding: 2rem;
            background-color: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #ddd;
        }
        .interaction-section h2 {
            color: #333;
            border-bottom: none;
        }
        form {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        form input, form textarea, form select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        form button {
            padding: 0.9rem;
            background-color: #28a745;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        form button:hover {
            background-color: #218838;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-stars i {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #ffc107;
        }
        footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
            color: #2c8cff;
        }
        friend-link:hover {
            color: #ffd700;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a5fb4;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                z-index: 1000;
            }
            .nav-links.active {
                display: flex;
            }
            .burger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            main {
                padding: 0 1rem;
            }
            article {
                padding: 1.5rem;
            }
        }