:root {
            --primary-dark: #0a0e17;
            --primary-blue: #1a65c7;
            --primary-accent: #00d9ff;
            --secondary-gold: #d4af37;
            --text-light: #f0f4ff;
            --text-gray: #a8b2c9;
            --bg-card: #141a2a;
            --border-color: #2a3650;
            --success-green: #4CAF50;
            --warning-orange: #ff9800;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-gold);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to bottom, rgba(10, 14, 23, 0.95), var(--primary-dark));
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--primary-accent);
            border-bottom-color: var(--primary-accent);
            text-decoration: none;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 15px 0;
            color: var(--text-gray);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--bg-card);
                padding: 20px;
                border-top: 1px solid var(--border-color);
            }
            .main-nav.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .main-content {
            background-color: var(--bg-card);
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .sidebar {
            background-color: var(--bg-card);
            border-radius: 10px;
            padding: 25px;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        h1, h2, h3, h4 {
            color: var(--text-light);
            margin-top: 1.5em;
            margin-bottom: 0.7em;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary-gold);
            border-bottom: 3px solid var(--primary-blue);
            padding-bottom: 15px;
            margin-top: 0;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-accent);
            border-left: 5px solid var(--secondary-gold);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-light);
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-gray);
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-gray);
            font-weight: 300;
            margin-bottom: 2em;
        }
        strong {
            color: var(--secondary-gold);
            font-weight: 700;
        }
        .highlight {
            background: linear-gradient(90deg, transparent, rgba(26, 101, 199, 0.2), transparent);
            padding: 20px;
            border-left: 4px solid var(--primary-blue);
            margin: 25px 0;
            font-style: italic;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.7em;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            margin: 25px auto;
            display: block;
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 217, 255, 0.2);
        }
        .module {
            background: rgba(20, 26, 42, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 30px;
        }
        .module h3 {
            margin-top: 0;
            color: var(--primary-accent);
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-gray);
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            background-color: rgba(10, 14, 23, 0.7);
            border: 1px solid var(--border-color);
            border-radius: 5px;
            color: var(--text-light);
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-accent);
            box-shadow: 0 0 8px rgba(0, 217, 255, 0.5);
        }
        button, .btn {
            background: linear-gradient(90deg, var(--primary-blue), #0f4da3);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #0f4da3, var(--primary-blue));
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0, 0, 0, 0.3);
            text-decoration: none;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: var(--text-gray);
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--secondary-gold);
        }
        .comment-list {
            margin-top: 25px;
        }
        .comment {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary-accent);
        }
        .site-footer {
            background-color: #080c14;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: var(--secondary-gold);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .friend-links li {
            margin: 0;
        }
        .friend-links a {
            background-color: rgba(255,255,255,0.05);
            padding: 8px 15px;
            border-radius: 5px;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
            width: 100%;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 30px; }
        .mt-3 { margin-top: 30px; }
        .p-3 { padding: 30px; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .last-updated {
            color: var(--text-gray);
            font-style: italic;
            font-size: 0.9rem;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border-color);
        }
        .info-box {
            background: linear-gradient(135deg, rgba(26,101,199,0.1), rgba(0,217,255,0.05));
            border: 1px solid var(--primary-blue);
            border-radius: 8px;
            padding: 20px;
            margin: 25px 0;
        }