:root {
            --primary-dark: #0a0a1a;
            --primary-blue: #1a237e;
            --accent-yellow: #ffd600;
            --accent-red: #c62828;
            --light-gray: #f5f5f5;
            --dark-gray: #333;
            --text-light: #e0e0e0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --border-radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background-color: var(--primary-dark);
            background-image: linear-gradient(rgba(10, 10, 26, 0.95), rgba(10, 10, 26, 0.95)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%230a0a1a"/><path d="M0,0 L100,100 M100,0 L0,100" stroke="%231a237e" stroke-width="0.5"/>');
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(10, 10, 26, 0.95);
            border-bottom: 2px solid var(--accent-yellow);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .logo-icon {
            color: var(--accent-yellow);
            font-size: 2.2rem;
            filter: drop-shadow(0 0 5px rgba(255, 214, 0, 0.7));
        }
        .logo-text {
            font-family: 'Arial Black', sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(to right, var(--accent-yellow), #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        .logo:hover .logo-icon {
            transform: rotate(15deg);
            transition: var(--transition);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--accent-yellow);
            background-color: rgba(26, 35, 126, 0.3);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 12px;
            width: 0;
            height: 2px;
            background-color: var(--accent-yellow);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: calc(100% - 24px);
        }
        .breadcrumb {
            background-color: rgba(26, 35, 126, 0.2);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 214, 0, 0.2);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--accent-yellow);
            opacity: 0.7;
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-yellow);
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .search-container {
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.4), rgba(10, 10, 26, 0.6));
            padding: 25px 0;
            margin-bottom: 30px;
            border-radius: var(--border-radius);
            text-align: center;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box h2 {
            color: var(--accent-yellow);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 25px;
            border: none;
            background-color: rgba(255, 255, 255, 0.95);
            font-size: 1rem;
            color: var(--dark-gray);
        }
        .search-input:focus {
            outline: none;
            background-color: white;
        }
        .search-button {
            background: linear-gradient(to right, var(--accent-yellow), #ff9800);
            border: none;
            color: var(--primary-dark);
            padding: 0 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background: linear-gradient(to right, #ffea00, var(--accent-yellow));
            transform: scale(1.03);
        }
        main {
            padding: 30px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 25px;
            border-bottom: 2px solid rgba(255, 214, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            background: linear-gradient(to right, var(--accent-yellow), #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
            text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: #aaa;
            font-size: 0.95rem;
            margin-top: 10px;
        }
        .article-meta i {
            color: var(--accent-yellow);
            margin-right: 5px;
        }
        .content-section {
            margin-bottom: 50px;
            background-color: rgba(15, 15, 35, 0.7);
            padding: 30px;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--accent-yellow);
            box-shadow: var(--shadow);
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        h2 {
            color: var(--accent-yellow);
            font-size: 2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 214, 0, 0.3);
        }
        h3 {
            color: #4fc3f7;
            font-size: 1.6rem;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 214, 0, 0.1);
            border-left: 4px solid var(--accent-yellow);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
            color: var(--accent-yellow);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, rgba(26, 35, 126, 0.4), rgba(10, 10, 26, 0.6));
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            border: 1px solid rgba(255, 214, 0, 0.2);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent-yellow);
            box-shadow: 0 10px 20px rgba(255, 214, 0, 0.1);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-yellow);
            margin-bottom: 10px;
            text-shadow: 0 0 10px rgba(255, 214, 0, 0.5);
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-light);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            display: block;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            border: 2px solid rgba(255, 214, 0, 0.3);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(255, 214, 0, 0.2);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .internal-link {
            color: #4fc3f7;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed #4fc3f7;
            transition: var(--transition);
        }
        .internal-link:hover {
            color: var(--accent-yellow);
            border-bottom: 1px solid var(--accent-yellow);
        }
        .interactive-section {
            background: linear-gradient(135deg, rgba(26, 35, 126, 0.6), rgba(198, 40, 40, 0.4));
            padding: 40px;
            border-radius: var(--border-radius);
            margin: 50px 0;
            text-align: center;
        }
        .rating-container, .comment-container {
            background-color: rgba(10, 10, 26, 0.8);
            padding: 30px;
            border-radius: var(--border-radius);
            margin-top: 30px;
            border: 1px solid rgba(255, 214, 0, 0.2);
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .rating-star {
            font-size: 2.5rem;
            color: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-star:hover,
        .rating-star.active {
            color: var(--accent-yellow);
            transform: scale(1.2);
            filter: drop-shadow(0 0 8px rgba(255, 214, 0, 0.7));
        }
        .interactive-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            text-align: left;
        }
        .form-label {
            margin-bottom: 8px;
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 15px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 214, 0, 0.3);
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent-yellow);
            background-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-button {
            background: linear-gradient(to right, var(--accent-yellow), #ff9800);
            color: var(--primary-dark);
            border: none;
            padding: 18px;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }
        .form-button:hover {
            background: linear-gradient(to right, #ffea00, var(--accent-yellow));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 214, 0, 0.3);
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 50px 0 30px;
        }
        .web-link {
            background-color: rgba(26, 35, 126, 0.3);
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(26, 35, 126, 0.5);
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link a:hover {
            color: var(--accent-yellow);
        }
        .web-link i {
            color: var(--accent-yellow);
        }
        footer {
            background-color: rgba(5, 5, 15, 0.95);
            padding: 40px 0 20px;
            border-top: 2px solid var(--accent-yellow);
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            color: #aaa;
            font-size: 0.95rem;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--accent-yellow);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            height: 100vh;
            width: 280px;
            background-color: var(--primary-dark);
            z-index: 1100;
            padding: 30px;
            transform: translateX(100%);
            transition: transform 0.4s ease;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
            overflow-y: auto;
        }
        .mobile-nav.active {
            transform: translateX(0);
        }
        .mobile-nav-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 214, 0, 0.3);
        }
        .mobile-nav-close {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 1.2rem;
            padding: 12px 0;
            display: block;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            color: var(--accent-yellow);
            padding-left: 10px;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1050;
        }
        .overlay.active {
            display: block;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 12px 0;
            }
            .logo-text {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .content-section {
                padding: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 25px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--border-radius);
            }
            .search-input, .search-button {
                border-radius: 0;
                width: 100%;
            }
            .search-button {
                padding: 15px;
            }
            .rating-star {
                font-size: 2rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .key-term {
            color: var(--accent-yellow);
            font-weight: 700;
            text-shadow: 0 0 5px rgba(255, 214, 0, 0.5);
        }
        .note {
            background-color: rgba(76, 175, 80, 0.1);
            border-left: 4px solid #4caf50;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .warning {
            background-color: rgba(244, 67, 54, 0.1);
            border-left: 4px solid #f44336;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }