:root {
            --primary: #00C7FF;
            --secondary: #FF4655;
            --dark: #0F1419;
            --light: #F5F7FA;
            --gray: #8A99B0;
            --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
            --shadow: 0 8px 30px rgba(0, 199, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--light);
            background: var(--dark);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            gap: 32px;
            list-style: none;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 8px 16px;
            border-radius: 50px;
        }
        .desktop-nav a:hover {
            background: var(--primary);
            color: var(--dark);
            box-shadow: var(--shadow);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        .mobile-nav {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background: rgba(15, 20, 25, 0.98);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border-top: 1px solid var(--gray);
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 15px;
            border-radius: 10px;
            border-left: 4px solid var(--primary);
        }
        .mobile-nav a:hover {
            background: rgba(0, 199, 255, 0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
            border-bottom: 1px solid #2A333D;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        main {
            padding: 40px 0;
        }
        article {
            background: rgba(42, 51, 61, 0.3);
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            margin: 50px 0 25px;
            color: var(--primary);
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--light);
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            color: #D1D9E6;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        .highlight {
            background: rgba(0, 199, 255, 0.1);
            border-left: 4px solid var(--primary);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 40px auto;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--primary);
        }
        .interactive-module {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }
        .module-card {
            background: rgba(42, 51, 61, 0.7);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid #3A4756;
            transition: var(--transition);
        }
        .module-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 1.5rem;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        input, textarea, select {
            padding: 15px;
            background: rgba(15, 20, 25, 0.7);
            border: 1px solid #3A4756;
            border-radius: 10px;
            color: var(--light);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 199, 255, 0.2);
        }
        button {
            padding: 16px 32px;
            background: var(--gradient);
            color: var(--dark);
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(255, 70, 85, 0.3);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD700;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 60px 0 40px;
        }
        .web-link {
            background: rgba(42, 51, 61, 0.5);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid transparent;
        }
        .web-link:hover {
            border-color: var(--primary);
            background: rgba(0, 199, 255, 0.05);
        }
        footer {
            text-align: center;
            padding: 40px 0;
            border-top: 1px solid #2A333D;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin-bottom: 30px;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            article { padding: 25px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .interactive-module { grid-template-columns: 1fr; }
            .web-links { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .web-links { grid-template-columns: 1fr; }
            .logo { font-size: 1.8rem; }
            .module-card { padding: 20px; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .module-card, .web-link {
            animation: fadeIn 0.6s ease-out;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
            vertical-align: middle;
        }