* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1a2a;
            color: #e0e7ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #0d47a1 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ffcc00, #ff6f00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .logo a:hover {
            text-shadow: 0 0 8px rgba(255, 204, 0, 0.7);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #bbdefb;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 204, 0, 0.15);
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ffcc00;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #1c2b4a;
            padding: 0.8rem 0;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #78909c;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        article {
            background: linear-gradient(145deg, #1a2b4a, #152238);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 32px rgba(0, 10, 30, 0.4);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffcc00;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            color: #4fc3f7;
            margin-top: 3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2c3e5a;
        }
        h3 {
            font-size: 1.6rem;
            color: #81d4fa;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #bbdefb;
            font-weight: 500;
            padding: 1.5rem;
            background-color: #25324f;
            border-left: 5px solid #ffcc00;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.1);
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid #ffcc00;
            margin: 2rem 0;
        }
        .info-box {
            background-color: #1e3a5f;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 5px solid #4fc3f7;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        strong {
            color: #ffcc00;
            font-weight: 700;
        }
        em {
            color: #a5d6a7;
            font-style: italic;
        }
        .featured-img {
            width: 80%;
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
            border: 3px solid #4fc3f7;
        }
        .featured-img figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background-color: #25324f;
            color: #bbdefb;
            font-size: 0.95rem;
        }
        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .module {
            background: #1e2c47;
            border-radius: 10px;
            padding: 1.8rem;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .module:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
        }
        .module h3 {
            color: #ffcc00;
            font-size: 1.5rem;
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select {
            padding: 0.9rem 1rem;
            border-radius: 6px;
            border: 1px solid #3a506b;
            background-color: #2a3b5a;
            color: #e0e7ff;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4fc3f7;
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.3);
        }
        button, .btn {
            background: linear-gradient(to right, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ffb300, #ff7043);
            box-shadow: 0 6px 12px rgba(255, 87, 34, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 1rem 0;
        }
        .star {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .internal-links {
            background-color: #1a2537;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: #25324f;
            padding: 1.2rem;
            border-radius: 6px;
            transition: background-color 0.3s;
        }
        .web-link:hover {
            background-color: #2c3e5a;
        }
        .web-link a {
            color: #81d4fa;
            font-weight: 600;
            display: block;
        }
        footer {
            background-color: #111a2a;
            padding: 3rem 0 2rem;
            text-align: center;
            border-top: 1px solid #2c3e5a;
        }
        .copyright {
            color: #90a4ae;
            font-size: 0.95rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #2c3e5a;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .modules-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a237e;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
                z-index: 999;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .featured-img {
                width: 100%;
            }
            article {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .lead { font-size: 1.1rem; }
            .module { padding: 1.3rem; }
        }