* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            font-size: 1.05rem;
        }
        a {
            text-decoration: none;
            color: #1a5fb4;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d4a9c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a5fb4 0%, #0d4a9c 100%);
            color: white;
            padding: 1.2rem 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;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: white;
        }
        .logo span {
            color: #ffdd00;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            font-size: 1.1rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1632501641765-e568d28b001f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            margin-bottom: 3rem;
            border-radius: 0 0 12px 12px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        h1, h2, h3, h4 {
            color: #1a5fb4;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid #ffdd00; padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-left: 5px solid #1a5fb4;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffdd00;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.4rem;
            margin-right: 0.5rem;
        }
        strong {
            color: #0d4a9c;
        }
        blockquote {
            font-style: italic;
            border-left: 4px solid #1a5fb4;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            border-bottom: 2px solid #e9ecef;
            padding-bottom: 0.8rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #1a5fb4;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #1a5fb4;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #0d4a9c;
        }
        .rating-widget .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin-bottom: 1rem;
        }
        .rating-form label,
        .comment-form label {
            display: block;
            margin: 1rem 0 0.5rem;
            font-weight: 600;
        }
        .rating-form select,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: #1a5fb4;
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            margin-top: 1rem;
        }
        .btn:hover {
            background: #0d4a9c;
            transform: translateY(-2px);
        }
        .btn i {
            margin-right: 0.5rem;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .article-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background-color: #f8f9fa;
            color: #666;
            font-size: 0.95rem;
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
            margin: 3rem 0;
        }
        @media (max-width: 768px) {
            .long-tail-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            font-weight: 600;
            color: #333;
        }
        .web-link a:hover {
            color: #1a5fb4;
        }
        .site-footer {
            background: #1c1e21;
            color: #adb5bd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            width: 100%;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #1a5fb4;
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                box-shadow: 0 8px 12px rgba(0,0,0,0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.2rem;
            }
            article {
                padding: 1.8rem;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
        }