* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0a1a2d 0%, #1a3a5f 100%);
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #4fc3f7;
            transition: color 0.3s, transform 0.2s;
        }
        a:hover {
            color: #29b6f6;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: rgba(10, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #00bcd4;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #00bcd4, #00e676);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 5px rgba(0, 188, 212, 0.3);
        }
        .logo a:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: #b0bec5;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        nav ul li a:hover,
        nav ul li a.active {
            color: #00bcd4;
            background: rgba(0, 188, 212, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #00bcd4;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            color: #90a4ae;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #4fc3f7;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto 3rem;
            padding: 1.5rem;
            background: rgba(30, 60, 90, 0.7);
            border-radius: 15px;
            border: 1px solid #00bcd4;
        }
        .search-box h2 {
            text-align: center;
            margin-bottom: 1rem;
            color: #00e676;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: 8px 0 0 8px;
            background: #1c3a5c;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            padding: 0.9rem 1.5rem;
            border: none;
            border-radius: 0 8px 8px 0;
            background: linear-gradient(to right, #00bcd4, #00e676);
            color: #0a1a2d;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: rgba(20, 40, 60, 0.8);
            border-radius: 20px;
            padding: 2.5rem;
            margin-bottom: 2.5rem;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            border: 1px solid #2a4a6a;
        }
        h1 {
            font-size: 2.8rem;
            color: #00e676;
            margin-bottom: 1.5rem;
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #00bcd4;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #00bcd4;
        }
        h3 {
            font-size: 1.5rem;
            color: #4fc3f7;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(0, 188, 212, 0.15);
            padding: 1.5rem;
            border-left: 5px solid #00bcd4;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 0.5rem;
        }
        .image-container {
            text-align: center;
            margin: 3rem 0;
        }
        .image-container figcaption {
            font-style: italic;
            color: #90a4ae;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .interactive-section {
            background: rgba(30, 70, 110, 0.6);
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #00bcd4;
        }
        .interactive-section h3 {
            color: #00e676;
        }
        .rating, .comment-form {
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars i {
            color: #ffb300;
            font-size: 1.8rem;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b0bec5;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #4a6572;
            background: #1c3a5c;
            color: white;
            font-size: 1rem;
        }
        button[type="submit"] {
            background: linear-gradient(to right, #00bcd4, #00e676);
            color: #0a1a2d;
            padding: 1rem 2rem;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: opacity 0.3s;
            display: block;
            width: 100%;
            font-size: 1.1rem;
        }
        button[type="submit"]:hover {
            opacity: 0.9;
        }
        footer {
            background: #0a1a2d;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #00bcd4;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #00e676;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            display: block;
            margin-bottom: 0.8rem;
            color: #b0bec5;
        }
        .friend-links {
            background: rgba(20, 40, 60, 0.7);
            padding: 1.5rem;
            border-radius: 10px;
        }
        .friend-links h4 {
            color: #00bcd4;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a4a6a;
            color: #90a4ae;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 26, 45, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5rem;
                border-top: 1px solid #00bcd4;
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .container { width: 95%; }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 8px; margin-bottom: 0.5rem; }
        }