* {
            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, #0c1e3e 0%, #1a3a6a 100%);
            color: #e0e0e0;
            line-height: 1.8;
            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: #29b6f6;
            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;
        }
        .section-padding {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .text-highlight { color: #ffcc00; font-weight: bold; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: rgba(12, 30, 62, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #00e5ff, #00ff88);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            padding: 10px 15px;
            border-radius: 5px;
            font-weight: 600;
        }
        .nav-desktop a:hover {
            background: rgba(79, 195, 247, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4fc3f7;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(12, 30, 62, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px;
            border-bottom: 1px solid #2a4a7a;
            font-weight: 600;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(255,255,255,0.05);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #4fc3f7; }
        .breadcrumb span { color: #ffcc00; }
        .main-content {
            flex: 1;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 15px;
            padding: 30px;
            margin: 20px 0;
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 3px solid #00e5ff;
            padding-bottom: 20px;
        }
        h1 {
            font-size: 3rem;
            margin-bottom: 15px;
            color: #ffffff;
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }
        h2 {
            font-size: 2.2rem;
            color: #4fc3f7;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #2a4a7a;
        }
        h3 {
            font-size: 1.8rem;
            color: #00ff88;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #ffcc00;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #b3e5fc;
            font-weight: 300;
            margin-bottom: 30px;
        }
        .featured-image {
            margin: 40px auto;
            max-width: 900px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
            border: 5px solid #00e5ff;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            margin-top: 10px;
            color: #aaa;
        }
        .content-block {
            background: rgba(20, 40, 80, 0.4);
            border-left: 5px solid #ffcc00;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .content-block h3 { margin-top: 0; }
        .interactive-module {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .module-card {
            background: linear-gradient(145deg, #1a3a6a, #0c1e3e);
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.4);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #2a4a7a;
        }
        .module-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 229, 255, 0.2);
        }
        .module-icon {
            font-size: 3rem;
            color: #00ff88;
            margin-bottom: 20px;
            text-align: center;
        }
        .module-card h3 {
            text-align: center;
            color: #ffffff;
        }
        .module-card form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .module-card input, .module-card textarea, .module-card select {
            padding: 15px;
            background: rgba(255,255,255,0.1);
            border: 1px solid #2a4a7a;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
        }
        .module-card input:focus, .module-card textarea:focus {
            outline: none;
            border-color: #00e5ff;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
        }
        .module-card button {
            background: linear-gradient(to right, #00e5ff, #00b8d4);
            color: #0c1e3e;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .module-card button:hover {
            background: linear-gradient(to right, #00b8d4, #0097a7);
            transform: scale(1.05);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            margin: 20px 0;
            cursor: pointer;
        }
        .star-rating .star {
            color: #555;
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffcc00;
        }
        .internal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 40px 0;
            justify-content: center;
        }
        .internal-links a {
            background: rgba(79, 195, 247, 0.1);
            padding: 12px 25px;
            border-radius: 50px;
            border: 1px solid #4fc3f7;
            font-weight: 600;
        }
        .internal-links a:hover {
            background: rgba(79, 195, 247, 0.3);
            transform: translateY(-3px);
        }
        .site-footer {
            background: rgba(10, 25, 50, 0.98);
            padding: 50px 0 20px;
            margin-top: 60px;
            border-top: 3px solid #00ff88;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #4fc3f7;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            padding: 10px 15px;
            background: rgba(255,255,255,0.05);
            margin: 10px 0;
            border-radius: 5px;
            border-left: 3px solid #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a4a7a;
            color: #aaa;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: center;
            margin: 20px 0;
            color: #ffcc00;
            font-weight: bold;
        }