* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: #0d6efd; transition: color 0.3s ease; }
        a:hover { color: #0542a3; }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', Times, serif; color: #1a365d; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-top: 1.5rem; border-bottom: 3px solid #c41e3a; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 2.5rem; padding-left: 0.5rem; border-left: 4px solid #0d6efd; }
        h3 { font-size: clamp(1.5rem, 3vw, 1.9rem); margin-top: 2rem; color: #2d3748; }
        h4 { font-size: 1.3rem; margin-top: 1.5rem; color: #4a5568; }
        p, li { font-size: 1.1rem; margin-bottom: 1.2rem; color: #2d3748; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #4a5568; margin-bottom: 2rem; }
        .highlight { background-color: #fff3cd; padding: 0.2rem 0.5rem; border-radius: 3px; font-weight: 600; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        main .container { padding-top: 2rem; padding-bottom: 3rem; }
        .site-header {
            background: linear-gradient(135deg, #0d6efd 0%, #1a365d 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo span { color: #c41e3a; }
        .my-logo:hover { color: #fff; }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #6c757d; }
        .breadcrumb a:hover { color: #0d6efd; }
        .breadcrumb span { color: #495057; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover { color: #ffd700; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffd700;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a365d;
            flex-direction: column;
            padding: 1rem 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 0.8rem 20px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover { background-color: #0d6efd; }
        .hero {
            position: relative;
            margin-bottom: 3rem;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        .hero img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .hero-caption {
            position: absolute;
            bottom: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 1rem;
            font-size: 0.9rem;
            text-align: center;
        }
        .interactive-module {
            background-color: white;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            border-top: 5px solid #0d6efd;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1.5rem;
            color: #1a365d;
        }
        .module-title i { color: #c41e3a; }
        form { display: grid; gap: 1rem; }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        button, .btn {
            background: linear-gradient(to right, #0d6efd, #0542a3);
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #0542a3, #03307a);
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(5, 66, 163, 0.3);
        }
        .stars { display: flex; gap: 5px; margin: 1rem 0; }
        .star { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: color 0.2s; }
        .star:hover, .star.active { color: #ffc107; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .related-links-sidebar {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .related-links-sidebar h3 { margin-top: 0; }
        .related-links-sidebar ul { list-style: none; }
        .related-links-sidebar li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px dashed #b3d4fc; }
        .related-links-sidebar a { font-weight: 500; }
        .site-footer {
            background-color: #1a365d;
            color: #c0ccda;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #a0c4ff;
        }
        friend-link:hover { color: white; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #8a9bb2;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .related-links-sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .main-nav ul { display: none; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .breadcrumb { padding: 0.8rem 20px; }
            .footer-container { grid-template-columns: 1fr; text-align: center; }
            .interactive-module { padding: 1.5rem; }
            h2 { font-size: 1.8rem; }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.8rem; }
            h1 { font-size: 2.2rem; }
            .hero img { height: 250px; }
        }