:root {
            --primary-color: #1a5276; 
            --secondary-color: #d35400; 
            --accent-color: #27ae60; 
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --text-color: #333;
            --text-light: #777;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            text-transform: uppercase;
            font-family: Georgia, serif;
        }
        .my-logo i {
            color: var(--secondary-color);
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav.desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            font-size: 1.05rem;
        }
        nav.desktop-nav a:hover,
        nav.desktop-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffcc80;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav.mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            padding: 1rem 0;
        }
        nav.mobile-nav.active {
            display: block;
        }
        nav.mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }
        nav.mobile-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.7rem 1.5rem;
            width: 90%;
            text-align: center;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        nav.mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 1rem 0;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
            color: var(--secondary-color);
        }
        .breadcrumb i {
            margin: 0 5px;
            color: var(--text-light);
            font-size: 0.8rem;
        }
        main {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            min-width: 0; 
        }
        .sidebar {
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
            font-size: 1.3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.7rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--secondary-color);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
            font-size: 1.05rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark-color);
            background-color: #f0f7ff;
            padding: 1.5rem;
            border-left: 5px solid var(--accent-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px dashed var(--secondary-color);
            margin: 1.5rem 0;
        }
        .highlight strong {
            color: var(--secondary-color);
        }
        a.content-link {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 1px dotted var(--primary-color);
            font-weight: 600;
            transition: var(--transition);
        }
        a.content-link:hover {
            color: var(--secondary-color);
            border-bottom: 1px solid var(--secondary-color);
        }
        strong {
            color: var(--dark-color);
        }
        em {
            color: var(--text-light);
        }
        blockquote {
            font-style: italic;
            color: var(--text-light);
            border-left: 4px solid var(--accent-color);
            padding-left: 1.5rem;
            margin: 2rem 0 2rem 2rem;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        ul, ol {
            margin: 1.5rem 0 1.5rem 2rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        img.responsive-img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 2rem auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        img.responsive-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-style: italic;
        }
        .last-updated {
            background-color: #e8f4fc;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
            font-size: 0.95rem;
            color: var(--primary-color);
        }
        .form-container {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            margin: 2.5rem 0;
        }
        .form-title {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 0.85rem 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.1);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffc107;
        }
        button[type="submit"] {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
        }
        button[type="submit"]:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            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-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: white;
            font-family: Georgia, serif;
        }
        .footer-links h4 {
            color: white;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.7rem;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-links {
            display: block;
            background-color: #34495e;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
        }
        friend-links h4 {
            color: white;
            margin-bottom: 1rem;
        }
        friend-links a {
            color: #ffcc80;
            text-decoration: none;
            font-weight: 600;
        }
        friend-links a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6572;
            color: #aaa;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .mobile-nav-toggle {
                display: block;
            }
            nav.desktop-nav {
                display: none;
            }
            .header-container {
                padding: 0 15px;
            }
            .container {
                padding: 0 15px;
            }
            .form-container {
                padding: 1.5rem;
            }
        }