:root {
            --primary-blue: #2c3e50;
            --secondary-gold: #f1c40f;
            --accent-red: #e74c3c;
            --light-bg: #ecf0f1;
            --dark-text: #2c3e50;
            --light-text: #f8f9fa;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark-text);
            background-color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #1a2530 100%);
            color: var(--light-text);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-bottom: 5px solid var(--secondary-gold);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.05);
            transition: var(--transition);
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--light-text);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: var(--secondary-gold);
            color: var(--primary-blue);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--light-text);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            margin: 1rem 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: #fff;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        aside {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-gold);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #bdc3c7;
        }
        h3 {
            font-size: 1.6rem;
            color: #34495e;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #7f8c8d;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: var(--primary-blue);
            font-weight: 700;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, var(--light-bg), #fff);
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-gold);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--secondary-gold);
            margin: 2rem 0;
        }
        blockquote {
            font-style: italic;
            color: #555;
            border-left: 4px solid var(--accent-red);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .article-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        a.content-link {
            color: var(--accent-red);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-red);
        }
        a.content-link:hover {
            color: #c0392b;
            border-bottom-style: solid;
        }
        .search-box,
        .comment-form,
        .rating-form {
            background: #fff;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .search-box h3,
        .comment-form h3,
        .rating-form h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-blue), #34495e);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, var(--secondary-gold), #f39c12);
            color: var(--primary-blue);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.15);
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ddd;
            margin: 10px 0;
        }
        .stars .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--secondary-gold);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h4 {
            background-color: var(--primary-blue);
            color: white;
            padding: 0.8rem 1.2rem;
            border-radius: 8px 8px 0 0;
            margin: 0;
        }
        .widget-content {
            padding: 1.2rem;
            background: white;
            border-radius: 0 0 8px 8px;
            border: 1px solid #eee;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid #eee;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            color: var(--primary-blue);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .link-list a:hover {
            color: var(--accent-red);
            padding-left: 5px;
        }
        .site-footer {
            background-color: var(--primary-blue);
            color: var(--light-text);
            padding: 3rem 0;
            margin-top: 4rem;
            border-top: 5px solid var(--secondary-gold);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
        }
        friend-link a {
            color: var(--secondary-gold);
            font-weight: bold;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }