* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a5fb4; 
            --primary-dark: #0d4a9c;
            --secondary: #e6a400; 
            --dark: #2d2d2d;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --danger: #dc3545;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f2f5;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            text-decoration: none;
            box-shadow: var(--shadow);
        }
        .section {
            padding: 60px 0;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            color: inherit;
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 5px 0;
            position: relative;
        }
        .main-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .main-nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb span {
            color: var(--dark);
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(rgba(26, 95, 180, 0.85), rgba(13, 74, 156, 0.9)), url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 80px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 10px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-top: 1.8em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            border-left: 5px solid var(--secondary);
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-dark);
            border-left: 4px solid var(--secondary);
            padding-left: 20px;
            margin: 2em 0;
        }
        em {
            color: var(--secondary);
            font-style: normal;
            font-weight: 600;
        }
        strong {
            color: var(--primary-dark);
        }
        .highlight-box {
            background-color: #f0f8ff;
            border-left: 4px solid var(--primary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .comment-form textarea, .comment-form input, .rating-form select {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            width: 100%;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .stars:hover .star {
            color: var(--secondary);
        }
        .star:hover,
        .star:hover ~ .star {
            color: var(--secondary);
        }
        .star.active {
            color: var(--secondary);
        }
        .site-footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 20px 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #ccc;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: white;
                position: absolute;
                top: 100%;
                left: 0;
                box-shadow: var(--shadow);
                padding: 20px;
                gap: 15px;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            article {
                padding: 25px;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-3 { margin-top: 1.5rem; }
        .last-updated {
            font-size: 0.9rem;
            color: var(--gray);
            font-style: italic;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #ddd;
        }