* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a1128;
            color: #e6e6e6;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #74c0fc;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
            border-bottom: 1px solid #1e2a5e;
        }
        header {
            background: linear-gradient(135deg, #0c1b33 0%, #1a2b55 100%);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 10, 50, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo a:hover {
            background: linear-gradient(90deg, #ff8787, #74c0fc);
            -webkit-background-clip: text;
            background-clip: text;
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav.desktop-nav a:hover {
            background-color: rgba(77, 171, 247, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4dabf7;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #0c1b33;
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            width: 100%;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
            border-left: 3px solid transparent;
        }
        .mobile-nav a:hover {
            border-left-color: #4dabf7;
            background-color: rgba(77, 171, 247, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #111c3f;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #a5d8ff;
        }
        .hero {
            text-align: center;
            padding: 80px 20px;
            background: radial-gradient(circle at center, #1a2b55 0%, #0a1128 70%);
        }
        h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #ffa94d, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
        }
        .subtitle {
            font-size: 1.3rem;
            color: #b2c9ff;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a3f7d;
        }
        h3 {
            font-size: 1.8rem;
            color: #74c0fc;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a5d8ff;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,107,107,0.1), rgba(77,171,247,0.1));
            border-left: 4px solid #4dabf7;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #111c3f;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #2a3f7d;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 30, 100, 0.3);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #ffa94d;
            margin-bottom: 1rem;
        }
        .figure {
            font-size: 2.5rem;
            font-weight: bold;
            color: #ff6b6b;
            display: block;
        }
        .user-interactive {
            background-color: #111c3f;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
        }
        .interactive-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .feature-box {
            background: #0c1b33;
            padding: 2rem;
            border-radius: 10px;
        }
        .feature-box h3 {
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #2a3f7d;
            background-color: #0a1128;
            color: #e6e6e6;
            font-size: 1rem;
        }
        button {
            padding: 0.9rem 1.8rem;
            background: linear-gradient(90deg, #339af0, #4dabf7);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: all 0.3s ease;
            align-self: flex-start;
        }
        button:hover {
            background: linear-gradient(90deg, #4dabf7, #339af0);
            box-shadow: 0 5px 15px rgba(51, 154, 240, 0.4);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd43b;
            cursor: pointer;
            margin: 1rem 0;
        }
        .star-rating span:hover,
        .star-rating span:hover ~ span {
            color: #ffa94d;
        }
        .featured-image {
            margin: 3rem auto;
            max-width: 900px;
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
        }
        .featured-image img {
            transition: transform 0.5s ease;
            width: 100%;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #b2c9ff;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: #ffa94d;
            font-weight: 600;
            border-bottom: 1px dotted #ffa94d;
        }
        footer {
            background: #070d1f;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #74c0fc;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
        }
        friend-link a {
            color: #a5d8ff;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e2a5e;
            color: #8a9bb8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 3rem; }
            h2 { font-size: 2rem; }
            section { padding: 40px 0; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav.desktop-nav { display: none; }
            .hamburger { display: block; }
            .hero { padding: 60px 20px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .interactive-grid { grid-template-columns: 1fr; }
        }