* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0a1a;
            color: #e0e0ff;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #4d9fff;
            text-decoration: none;
            transition: color 0.3s, transform 0.2s;
        }
        a:hover {
            color: #ffcc00;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 50, 255, 0.3);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #001133 0%, #003366 100%);
            padding: 20px 0;
            border-bottom: 3px solid #ffcc00;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #ffcc00;
            text-shadow: 0 0 15px #ff9900;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            color: #fff;
        }
        .search-form {
            display: flex;
            flex: 1;
            max-width: 400px;
            margin: 0 30px;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #4d9fff;
            border-radius: 30px 0 0 30px;
            background: #001a4d;
            color: #fff;
            font-size: 1rem;
        }
        .search-btn {
            padding: 12px 25px;
            background: #4d9fff;
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #ffcc00;
            color: #001133;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links li a {
            color: #cce0ff;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
        }
        .nav-links li a:hover {
            background: rgba(255, 204, 0, 0.2);
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #ffcc00;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #8899cc;
            margin-top: 10px;
        }
        .breadcrumb a {
            color: #8899cc;
        }
        .breadcrumb a:hover {
            color: #ffcc00;
        }
        main {
            padding: 40px 0;
            background: radial-gradient(circle at center, #0a1a3a 0%, #050a15 100%);
        }
        article {
            background: rgba(10, 25, 60, 0.8);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 30, 100, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.5rem;
            color: #ffcc00;
            text-align: center;
            margin-bottom: 30px;
            text-shadow: 0 0 20px #ff9900;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.5rem;
            color: #4d9fff;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #4d9fff;
        }
        h3 {
            font-size: 2rem;
            color: #66ccff;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.5rem;
            color: #99ddff;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, #001a4d, #003366);
            padding: 25px;
            border-left: 5px solid #ffcc00;
            border-radius: 10px;
            margin: 30px 0;
            font-size: 1.2rem;
            color: #e6f2ff;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        .feature-img {
            width: 100%;
            max-width: 900px;
            margin: 30px auto;
            display: block;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #8899cc;
            margin-top: 10px;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .form-box {
            background: rgba(0, 40, 100, 0.7);
            padding: 30px;
            border-radius: 15px;
            border: 2px solid #4d9fff;
        }
        .form-box h3 {
            color: #ffcc00;
            margin-top: 0;
        }
        .form-box input, .form-box textarea, .form-box select {
            width: 100%;
            padding: 12px;
            margin: 10px 0 20px;
            background: #001a4d;
            border: 1px solid #4d9fff;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
        }
        .form-box button {
            width: 100%;
            padding: 15px;
            background: linear-gradient(90deg, #4d9fff, #0066cc);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .form-box button:hover {
            background: linear-gradient(90deg, #ffcc00, #ff9900);
            color: #001133;
        }
        .stars {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin: 15px 0;
        }
        .stars i {
            color: #ccc;
            font-size: 2rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars i:hover, .stars i.active {
            color: #ffcc00;
        }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
            justify-content: center;
        }
        .content-links a {
            background: rgba(77, 159, 255, 0.1);
            padding: 12px 25px;
            border-radius: 30px;
            border: 1px solid #4d9fff;
            font-weight: 600;
        }
        .content-links a:hover {
            background: rgba(255, 204, 0, 0.2);
            border-color: #ffcc00;
        }
        footer {
            background: #001133;
            padding: 50px 0 20px;
            border-top: 3px solid #ffcc00;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 30px 0;
            padding: 20px;
            background: rgba(0, 60, 120, 0.3);
            border-radius: 10px;
        }
        friend-link h3 {
            color: #ffcc00;
            margin-bottom: 20px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        .friend-links a {
            color: #66ccff;
            font-size: 1.1rem;
        }
        .copyright {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #003366;
            color: #8899cc;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .header-top { flex-direction: column; align-items: stretch; }
            .search-form { max-width: 100%; margin: 20px 0; }
            .nav-links { flex-direction: column; gap: 10px; display: none; }
            .nav-links.active { display: flex; }
            .hamburger { display: block; align-self: flex-end; margin-top: -50px; }
            article { padding: 30px 20px; }
            .interactive-section { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .my-logo { font-size: 2rem; }
            .breadcrumb { font-size: 0.8rem; }
            .content-links { flex-direction: column; align-items: center; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .form-box, .feature-img {
            animation: fadeIn 1s ease-out;
        }