* { 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;
            background-image: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #0066cc; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #ff9900; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 2rem; }
        .mt-3 { margin-top: 2rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; }
        .site-header {
            background: linear-gradient(90deg, #1a1a2e 0%, #16213e 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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #ff9900, #ff3300);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none !important;
        }
        .breadcrumb {
            padding: 0.8rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a { color: #495057; }
        .breadcrumb a:hover { color: #0066cc; }
        .breadcrumb span.separator { margin: 0 8px; color: #6c757d; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            text-decoration: none;
        }
        .main-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ff9900;
            transition: width 0.3s ease;
        }
        .main-nav a:hover { color: #ff9900; }
        .main-nav a:hover:after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .hero {
            background: linear-gradient(rgba(22, 33, 62, 0.85), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 4rem 1rem;
            margin-bottom: 2rem;
            border-radius: 0 0 20px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.5rem;
            color: #f1f5f9;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus { border-color: #ff9900; }
        .search-btn {
            background: linear-gradient(to right, #ff9900, #ff5e00);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-btn:hover { background: linear-gradient(to right, #ff5e00, #ff3300); }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
        }
        h1 { font-size: 2.8rem; color: #1a1a2e; margin-bottom: 1.5rem; }
        h2 { font-size: 2.2rem; color: #16213e; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 3px solid #ff9900; }
        h3 { font-size: 1.8rem; color: #0f3460; margin: 2rem 0 1rem; }
        h4 { font-size: 1.4rem; color: #1a5a8c; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        ul, ol { margin-left: 2rem; margin-bottom: 1.5rem; }
        blockquote {
            border-left: 5px solid #ff9900;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem 0;
            border: 5px solid #e9ecef;
            transition: transform 0.5s ease;
        }
        .featured-img:hover { transform: scale(1.01); }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            height: fit-content;
        }
        .sidebar-widget { margin-bottom: 2.5rem; }
        .sidebar-widget h3 { font-size: 1.5rem; border-bottom: 2px solid #ddd; padding-bottom: 0.5rem; }
        .interactive-module {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 12px;
            padding: 1.8rem;
            margin-top: 3rem;
        }
        .module-title { color: #1a1a2e; margin-bottom: 1.5rem; }
        .form-group { margin-bottom: 1.2rem; }
        .form-label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus { border-color: #ff9900; outline: none; }
        .form-textarea { min-height: 150px; resize: vertical; }
        .btn-submit {
            background: linear-gradient(to right, #0066cc, #004d99);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .btn-submit:hover { background: linear-gradient(to right, #004d99, #003366); transform: translateY(-2px); }
        .star-rating { display: flex; gap: 5px; margin: 1rem 0; }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffcc00; }
        .site-footer {
            background: #1a1a2e;
            color: #e2e8f0;
            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-widget h3 { color: #ff9900; margin-bottom: 1.5rem; font-size: 1.4rem; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #cbd5e1; }
        .footer-links a:hover { color: #ff9900; padding-left: 5px; }
        friend-link {
            display: block;
            background: #16213e;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        friend-link h3 { color: #ff9900; margin-bottom: 1rem; }
        friend-link ul { list-style: none; margin-left: 0; display: flex; flex-wrap: wrap; gap: 15px; }
        friend-link li { background: rgba(255,255,255,0.1); padding: 8px 15px; border-radius: 6px; }
        friend-link a { color: #90cdf4; }
        friend-link a:hover { color: white; text-decoration: none; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .last-updated {
            background: #fffacd;
            padding: 10px 15px;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-left: 4px solid #ff9900;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav { 
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
                order: 3;
            }
            .main-nav.active { max-height: 300px; margin-top: 1rem; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            .main-nav a { display: block; padding: 1rem 0; }
            .hero h1 { font-size: 2.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .content-wrapper { gap: 2rem; }
            article, .sidebar { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 50px; margin-bottom: 10px; }
        }