* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a0f2b;
            color: #e0e0ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
        }
        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 0%, #0d47a1 100%);
            padding: 1rem 0;
            border-bottom: 3px solid #ffcc00;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ffcc00, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.8rem;
        }
        nav ul li a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background-color: rgba(255, 204, 0, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(13, 71, 161, 0.2);
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #ffcc00;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        article {
            background: rgba(19, 28, 66, 0.8);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 3rem;
            border: 1px solid #2a3a7a;
        }
        h1, h2, h3, h4 {
            color: #ffcc00;
            margin-top: 1.8rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            text-align: center;
            border-bottom: 3px dashed #4fc3f7;
            padding-bottom: 1rem;
            margin-top: 0;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid #4fc3f7;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #4fc3f7;
        }
        h4 {
            font-size: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.1);
            border-left: 4px solid #ffcc00;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .bold {
            font-weight: 700;
            color: #ffcc00;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #4fc3f7;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.7);
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .article-img figcaption {
            text-align: center;
            padding: 10px;
            font-style: italic;
            background-color: rgba(26, 35, 126, 0.7);
            color: #b3e5fc;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .interactive-box {
            background: rgba(26, 35, 126, 0.6);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid #3949ab;
        }
        .interactive-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-box form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border-radius: 5px;
            border: 1px solid #5c6bc0;
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #ffcc00;
            box-shadow: 0 0 8px rgba(255, 204, 0, 0.5);
        }
        button {
            background: linear-gradient(to right, #ff9800, #ffcc00);
            color: #1a237e;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 5px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(to right, #ffcc00, #ff9800);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 152, 0, 0.4);
        }
        .web-links-section {
            margin: 3rem 0;
            padding: 2rem;
            background: rgba(19, 28, 66, 0.9);
            border-radius: 10px;
        }
        .web-links-section h2 {
            text-align: center;
            margin-bottom: 2rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(41, 98, 255, 0.15);
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #4fc3f7;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: rgba(41, 98, 255, 0.3);
            transform: translateX(5px);
        }
        .web-link a {
            color: #bbdefb;
            font-weight: 600;
            display: block;
            font-size: 1.1rem;
        }
        footer {
            background: linear-gradient(to bottom, #1a237e, #0d0f1c);
            padding: 3rem 0 1.5rem;
            border-top: 3px solid #ffcc00;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section ul li {
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            color: #90a4ae;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .container { padding: 0 15px; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a237e;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.5);
                border-top: 2px solid #ffcc00;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .article-img {
                width: 95%;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 1.5rem; }
            .logo a { font-size: 1.8rem; }
        }