* { 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: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #0046be; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #002d72; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5em; margin-bottom: 1.5rem; }
        p { margin-bottom: 1.5rem; }
        .site-header {
            background: linear-gradient(to right, #0c2340, #1c4f8c);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1300px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            letter-spacing: 1px;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo span { color: #d50032; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(255,255,255,0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.75rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #ccc;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #0046be; }
        .main-content {
            flex: 1;
            max-width: 1300px;
            width: 100%;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #0c2340;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #d50032;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #1c4f8c;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.5rem;
            border-left: 5px solid #ffc72c;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .highlight {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box {
            background: #f8f9fa;
            border: 2px solid #0046be;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .stats-box h4 { color: #0046be; margin-top: 0; }
        blockquote {
            font-style: italic;
            color: #555;
            border-left: 4px solid #28a745;
            padding-left: 1.5rem;
            margin: 1.8rem 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .button {
            display: inline-block;
            background: linear-gradient(to right, #0046be, #002d72);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            text-align: center;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0,70,190,0.2);
        }
        .button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,70,190,0.3);
            text-decoration: none;
            color: white;
        }
        .rating-stars {
            color: #ffc107;
            font-size: 1.2rem;
            margin: 0.5rem 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.4rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #0046be;
            box-shadow: 0 0 0 3px rgba(0,70,190,0.1);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #1c4f8c;
            border-bottom: 2px solid #ffc72c;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            list-style: none;
            padding-left: 0;
        }
        .related-links a {
            display: block;
            padding: 0.5rem 0.75rem;
            background: #f8f9fa;
            border-radius: 6px;
            border-left: 3px solid #0046be;
        }
        .related-links a:hover {
            background: #e9ecef;
            border-left-color: #d50032;
        }
        .site-footer {
            background: #0c2340;
            color: #ddd;
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            max-width: 1300px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffc72c;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li { margin-bottom: 0.6rem; }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover { color: white; }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .hamburger { display: block; }
            .main-content { padding: 0 1rem; }
            article { padding: 1.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .site-header { padding: 1rem; }
            .breadcrumb { padding: 0.75rem 1rem; }
        }