* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0a1a3a 0%, #1a3a5f 100%);
            color: #f0f8ff;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffeb3b;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 26, 58, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #ff9800;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav ul li a {
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
        }
        nav ul li a:hover {
            background: rgba(79, 195, 247, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: 0.9rem;
            color: #b0bec5;
            margin-top: 10px;
        }
        .breadcrumb a::after {
            content: " › ";
            margin: 0 8px;
            color: #ff9800;
        }
        .breadcrumb a:last-child::after {
            content: "";
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        .search-section {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            border: 1px solid #3949ab;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 8px 0 0 8px;
            background: #1e3a5f;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            padding: 15px 25px;
            background: linear-gradient(90deg, #ff9800, #ff5722);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s;
        }
        .search-form button:hover {
            transform: translateX(3px);
        }
        .article-content {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 15px;
            padding: 35px;
            margin-top: 20px;
            border-left: 5px solid #ff9800;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            text-align: center;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        h2 {
            font-size: 2.3rem;
            margin: 40px 0 20px;
            color: #4fc3f7;
            padding-bottom: 10px;
            border-bottom: 2px dashed #3949ab;
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #81c784;
        }
        h4 {
            font-size: 1.4rem;
            margin: 20px 0 10px;
            color: #ffb74d;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
            padding: 0 5px;
        }
        .highlight {
            background: rgba(255, 152, 0, 0.15);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #ff9800;
            margin: 25px 0;
        }
        .inline-link {
            font-weight: 700;
            color: #ffcc80;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            border: 3px solid #3949ab;
        }
        .figure-caption {
            text-align: center;
            font-style: italic;
            color: #b0bec5;
            margin-top: -15px;
            margin-bottom: 30px;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 50px 0;
        }
        .comment-box, .rating-box {
            background: rgba(30, 58, 95, 0.8);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #4fc3f7;
        }
        .comment-box h3, .rating-box h3 {
            color: #4fc3f7;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid #546e7a;
            background: #1e3a5f;
            color: white;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #546e7a;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffeb3b;
        }
        .submit-btn {
            background: linear-gradient(90deg, #00c853, #64dd17);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            transition: transform 0.3s;
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
        }
        footer {
            background: rgba(10, 26, 58, 0.98);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 2px solid #ff9800;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }
        friend-link {
            display: inline-block;
            background: rgba(57, 73, 171, 0.3);
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(57, 73, 171, 0.7);
            transform: translateY(-5px);
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #546e7a;
            color: #b0bec5;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 26, 58, 0.98);
                padding: 20px;
                border-radius: 10px;
                margin-top: 15px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger { display: block; }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content { padding: 20px; }
        }