        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-dark: #0a192f;
            --primary-light: #112240;
            --accent-teal: #64ffda;
            --accent-light: #8892b0;
            --text-white: #e6f1ff;
            --text-gray: #a8b2d1;
            --highlight-red: #ff375f;
            --transition: all 0.3s ease;
            --shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
            --border-radius: 8px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-gray);
            background-color: var(--primary-dark);
            overflow-x: hidden;
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-header {
            background-color: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            border-bottom: 1px solid rgba(100, 255, 218, 0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-teal);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-white);
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-teal);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-teal);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--primary-light);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(136, 146, 176, 0.1);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--accent-light);
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            padding: 3rem 0;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: var(--border-radius);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(100, 255, 218, 0.05) 0%, transparent 70%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero h1 {
            font-size: 3rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .hero-image {
            max-width: 900px;
            margin: 2rem auto 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(100, 255, 218, 0.2);
        }
        .search-section {
            background-color: var(--primary-light);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 3rem;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem;
            background-color: rgba(10, 25, 47, 0.8);
            border: 1px solid rgba(100, 255, 218, 0.3);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-white);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--accent-teal);
            color: var(--primary-dark);
            border: none;
            padding: 0 2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #fff;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .content-area {
            background-color: var(--primary-light);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--primary-light);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
        }
        h1, h2, h3, h4 {
            color: var(--text-white);
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 3rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(100, 255, 218, 0.3);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            color: var(--accent-teal);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-white);
            font-weight: 500;
        }
        .highlight {
            background-color: rgba(100, 255, 218, 0.1);
            border-left: 4px solid var(--accent-teal);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .warning {
            background-color: rgba(255, 55, 95, 0.1);
            border-left: 4px solid var(--highlight-red);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        em {
            color: var(--accent-teal);
            font-style: italic;
        }
        strong {
            color: var(--text-white);
            font-weight: 700;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .download-box {
            background: linear-gradient(135deg, rgba(10, 25, 47, 0.9) 0%, rgba(17, 34, 64, 0.9) 100%);
            border: 2px solid var(--accent-teal);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2rem 0;
            text-align: center;
            transition: var(--transition);
        }
        .download-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px -15px rgba(100, 255, 218, 0.3);
        }
        .download-btn {
            display: inline-block;
            background-color: var(--accent-teal);
            color: var(--primary-dark);
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.2rem;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .download-btn:hover {
            background-color: #fff;
            transform: scale(1.05);
        }
        .interactive-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 1px solid rgba(136, 146, 176, 0.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            background-color: rgba(10, 25, 47, 0.8);
            border: 1px solid rgba(136, 146, 176, 0.3);
            border-radius: var(--border-radius);
            color: var(--text-white);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-teal);
            box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.2);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: var(--accent-light);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .submit-btn {
            background-color: var(--accent-teal);
            color: var(--primary-dark);
            border: none;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .submit-btn:hover {
            background-color: #fff;
            transform: translateY(-3px);
        }
        .footer-links {
            background-color: var(--primary-light);
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .web-links-container {
                grid-template-columns: repeat(5, 1fr);
            }
        }
        .web-link {
            background-color: rgba(10, 25, 47, 0.6);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .web-link:hover {
            border-color: var(--accent-teal);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--text-white);
            font-weight: 500;
            display: block;
        }
        .main-footer {
            background-color: rgba(10, 25, 47, 0.98);
            padding: 3rem 0 2rem;
            border-top: 1px solid rgba(100, 255, 218, 0.1);
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .copyright {
            color: var(--accent-light);
            font-size: 0.95rem;
        }
        .social-links {
            display: flex;
            gap: 1.5rem;
        }
        .social-links a {
            color: var(--text-gray);
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-teal);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                padding: 2rem;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .content-area, .sidebar {
                padding: 1.5rem;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .section-divider {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-teal), transparent);
            margin: 3rem 0;
            border: none;
        }
