* {
            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: #f5f7fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 800;
            color: #00adb5;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo:hover {
            color: #ffde59;
        }
        .search-form {
            display: flex;
            background: #fff;
            border-radius: 30px;
            overflow: hidden;
            padding: 5px;
        }
        .search-form input {
            border: none;
            padding: 10px 15px;
            width: 250px;
            outline: none;
            font-size: 1rem;
        }
        .search-form button {
            background: #00adb5;
            border: none;
            color: white;
            padding: 10px 20px;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #0097a7;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        .breadcrumb a {
            color: #ecf0f1;
        }
        .breadcrumb a:hover {
            color: #ffde59;
        }
        nav {
            background: #0f3460;
            position: relative;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
            padding: 15px 0;
        }
        .nav-links li {
            margin: 0 20px;
        }
        .nav-links a {
            color: #fff;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 10px;
        }
        main {
            padding: 40px 0;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 20px auto;
        }
        article {
            padding: 0 40px;
        }
        h1 {
            font-size: 3rem;
            color: #1a1a2e;
            margin-bottom: 30px;
            text-align: center;
            border-bottom: 3px solid #00adb5;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.2rem;
            color: #16213e;
            margin: 40px 0 20px;
            padding-left: 10px;
            border-left: 5px solid #e74c3c;
        }
        h3 {
            font-size: 1.8rem;
            color: #0f3460;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #333;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #ffde59;
            padding: 5px;
            border-radius: 3px;
            font-weight: bold;
        }
        .quote {
            border-left: 4px solid #00adb5;
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: #555;
        }
        .image-container {
            text-align: center;
            margin: 40px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .links-section {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
        }
        .links-section li {
            padding: 15px;
            background: white;
            border-radius: 8px;
            transition: transform 0.3s ease;
        }
        .links-section li:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .user-interaction {
            margin: 50px 0;
            padding: 30px;
            background: #ecf0f1;
            border-radius: 10px;
        }
        .interaction-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            border: 2px solid #bdc3c7;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #00adb5;
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .rating input[type="radio"] {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating input[type="radio"]:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffde59;
        }
        .btn {
            background: #00adb5;
            color: white;
            padding: 15px 30px;
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.3s ease;
        }
        .btn:hover {
            background: #0097a7;
            transform: translateY(-3px);
        }
        footer {
            background: #1a1a2e;
            color: #ecf0f1;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffde59;
            margin-bottom: 20px;
            border-bottom: 2px solid #00adb5;
            padding-bottom: 10px;
        }
        .friend-link {
            display: block;
            padding: 10px;
            background: rgba(255,255,255,0.1);
            margin-bottom: 10px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .friend-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2c3e50;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        .update-time {
            color: #00adb5;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-form input {
                width: 200px;
            }
            .nav-links {
                flex-direction: column;
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0f3460;
                z-index: 1000;
                padding: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
                text-align: center;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 20px;
                top: -50px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 0 20px;
            }
            .links-section ul {
                grid-template-columns: 1fr;
            }
        }