* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0a0e2a 0%, #1a1f3a 100%);
            color: #e0e0ff;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ffcc00;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff6b00, #ffcc00);
            color: #0a0e2a;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
        }
        .btn:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(255, 107, 0, 0.5);
        }
        .section-padding {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .text-highlight { color: #ffcc00; }
        .bold { font-weight: 700; }
        header {
            background: rgba(10, 14, 42, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #ffcc00;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffcc00, #ff6b00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            animation: logo-pulse 0.5s ease;
        }
        @keyframes logo-pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            position: relative;
        }
        nav ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: #ffcc00;
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        nav ul li a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: rgba(10, 14, 42, 0.98);
                width: 100%;
                text-align: center;
                padding: 30px 0;
                gap: 25px;
                transition: left 0.5s ease;
                border-top: 1px solid #ffcc00;
            }
            nav ul.active { left: 0; }
        }
        .breadcrumb {
            padding: 15px 20px;
            background: rgba(30, 35, 60, 0.7);
            font-size: 0.9rem;
        }
        .breadcrumb a { margin: 0 5px; }
        main {
            flex: 1;
        }
        article {
            background: rgba(25, 30, 55, 0.8);
            border-radius: 15px;
            padding: 40px;
            margin: 30px auto;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            color: #ffcc00;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.4rem;
            margin: 50px 0 20px;
            color: #4fc3f7;
            padding-bottom: 10px;
            border-bottom: 2px dashed #4fc3f7;
        }
        h3 {
            font-size: 1.8rem;
            margin: 35px 0 15px;
            color: #a5d6ff;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: #bbbbff;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 25px; }
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #ccccff;
            font-weight: 300;
        }
        .emoji { font-size: 1.2em; }
        .feature-img {
            margin: 40px auto;
            border: 3px solid #ffcc00;
            overflow: hidden;
            max-width: 900px;
        }
        .feature-img:hover {
            transform: scale(1.01);
            transition: transform 0.5s ease;
        }
        .module {
            background: rgba(40, 45, 70, 0.6);
            border-radius: 12px;
            padding: 30px;
            margin: 40px 0;
            border-left: 5px solid #ff6b00;
        }
        .module h3 { margin-top: 0; }
        .interactive-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin: 30px 0;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #555;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            margin: 10px 0;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffcc00;
        }
        .internal-links {
            background: rgba(30, 35, 60, 0.5);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            list-style: none;
        }
        .internal-links li a {
            display: block;
            padding: 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .internal-links li a:hover {
            background: rgba(255, 204, 0, 0.15);
            padding-left: 20px;
        }
        footer {
            background: #0a0e2a;
            padding: 50px 0 20px;
            margin-top: 60px;
            border-top: 2px solid #ffcc00;
        }
        footer .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            padding: 10px 20px;
            margin: 5px 10px 5px 0;
            border-radius: 6px;
            border: 1px solid #444;
        }
        friend-link a { color: #a5d6ff; }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        .schema-data {
            display: none;
        }