* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a1a2a;
            color: #e0e0e0;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #ffeb3b;
        }
        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, #00152e 0%, #003366 100%);
            padding: 1rem 0;
            border-bottom: 3px solid #ff9800;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a.my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.8rem;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 152, 0, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ff9800;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #0d2b4e;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #b0bec5;
        }
        .breadcrumb a:hover {
            color: #ff9800;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background-color: #112240;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffeb3b;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ff9800;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #4fc3f7;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #1e88e5;
        }
        h3 {
            font-size: 1.6rem;
            color: #81d4fa;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #b3e5fc;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #1a3a5f;
            border-left: 5px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        .article-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
            border: 3px solid #1e88e5;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #b0bec5;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .utilities {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .card {
            background: #0d2b4e;
            padding: 1.8rem;
            border-radius: 12px;
            border: 1px solid #1e88e5;
        }
        .card h3 {
            margin-top: 0;
            color: #ffeb3b;
        }
        form {
            display: flex;
            flex-direction: column;
        }
        input, textarea, select {
            padding: 0.8rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            border: 1px solid #3a5f8a;
            background-color: #1a3a5f;
            color: #fff;
        }
        button {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .stars i {
            color: #ffeb3b;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .related-links {
            background-color: #0a1a2a;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
        }
        .related-links h3 {
            color: #ff9800;
        }
        .link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .link-item {
            background-color: #112240;
            padding: 1.2rem;
            border-radius: 8px;
            transition: transform 0.3s, background-color 0.3s;
        }
        .link-item:hover {
            transform: translateY(-5px);
            background-color: #1a3a5f;
        }
        footer {
            background-color: #00152e;
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #ff9800;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: #ffeb3b;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #4fc3f7;
        }
        friend-link:hover {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #1a3a5f;
            color: #b0bec5;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #00152e;
                padding: 1rem;
                border-top: 2px solid #ff9800;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0.8rem 0;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .article-img {
                width: 95%;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            article {
                padding: 1.5rem;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .utilities {
                grid-template-columns: 1fr;
            }
        }