* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a5fb4; 
            --secondary: #c44d4d; 
            --accent: #26a269; 
            --dark: #1c1c1c;
            --light: #f6f5f4;
            --gray: #deddda;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            background-image: radial-gradient(circle at 50% 50%, rgba(26, 95, 180, 0.05) 0%, transparent 50%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #5dadec;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(12, 18, 30, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(26, 95, 180, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #1a5fb4, #5dadec);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: var(--gray);
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: #fff;
            border-bottom-color: var(--primary);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #5dadec;
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: rgba(12, 18, 30, 0.98);
            border-top: 1px solid rgba(26, 95, 180, 0.3);
            padding: 1rem;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--gray);
            padding: 0.75rem;
            border-left: 3px solid transparent;
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            color: #fff;
            border-left-color: var(--primary);
            background: rgba(26, 95, 180, 0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(20, 25, 40, 0.7);
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a0a0a0;
        }
        .breadcrumb span {
            color: #5dadec;
            margin: 0 8px;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .article-hero {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .article-hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            background: linear-gradient(to right, #fff, #5dadec);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .article-hero .meta {
            color: #a0a0a0;
            font-style: italic;
            margin-top: 1rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #5dadec;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(26, 95, 180, 0.5);
        }
        h3 {
            font-size: 1.8rem;
            color: #c8e6ff;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a0c8ff;
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #c8e6ff;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: rgba(26, 95, 180, 0.15);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            display: block;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #a0a0a0;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .interactive-module {
            background-color: rgba(30, 35, 50, 0.7);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid rgba(90, 173, 236, 0.2);
        }
        .module-title {
            color: #5dadec;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i {
            font-size: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #c8e6ff;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.85rem;
            background-color: rgba(15, 20, 35, 0.8);
            border: 1px solid rgba(90, 173, 236, 0.3);
            border-radius: 6px;
            color: #fff;
            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(26, 95, 180, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, var(--primary), #2d7cd6);
            color: white;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #2d7cd6, #3a8ce6);
            transform: translateY(-2px);
            text-decoration: none;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 2rem;
            color: #555;
            cursor: pointer;
        }
        .star-rating .star {
            color: #555;
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: gold;
        }
        .site-footer {
            background-color: #0c121e;
            border-top: 1px solid rgba(26, 95, 180, 0.3);
            padding: 3rem 0 2rem;
            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: #5dadec;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #a0a0a0;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background-color: rgba(26, 95, 180, 0.1);
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: #777;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .article-hero h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: flex; }
            .article-hero h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.6rem; }
            .lead { font-size: 1.2rem; }
            .header-content { flex-wrap: wrap; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            .article-hero h1 { font-size: 2rem; }
            .interactive-module { padding: 1.5rem; }
        }