:root {
            --primary-color: #e63946;
            --secondary-color: #1d3557;
            --accent-color: #f4a261;
            --light-color: #f1faee;
            --dark-color: #1d3557;
            --gray-color: #8d99ae;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            font-size: 1.05rem;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--secondary-color);
            color: var(--light-color);
            padding: 1rem 0;
            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: 1.8rem;
            font-weight: 800;
            color: var(--light-color);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .my-logo:hover {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: var(--light-color);
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--light-color);
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 0.8rem 0;
            border-bottom: 1px solid #ddd;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: var(--dark-color);
            font-weight: 500;
        }
        .search-section {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            padding: 2rem 0;
            text-align: center;
            color: white;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e76f51;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            height: fit-content;
        }
        .sidebar h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
        }
        .sidebar a {
            display: block;
            padding: 0.5rem;
            border-radius: 4px;
            background-color: #f8f9fa;
            transition: var(--transition);
        }
        .sidebar a:hover {
            background-color: #e9ecef;
            transform: translateX(5px);
        }
        article h1 {
            color: var(--secondary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .meta {
            color: var(--gray-color);
            margin-bottom: 2rem;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .meta i {
            margin-right: 0.3rem;
        }
        article h2 {
            color: var(--secondary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        article h3 {
            color: var(--dark-color);
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
        }
        article h4 {
            color: var(--dark-color);
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem;
        }
        article p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        article img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .highlight {
            background-color: #fff3cd;
            border-left: 4px solid var(--accent-color);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        blockquote {
            font-style: italic;
            color: var(--gray-color);
            border-left: 4px solid var(--primary-color);
            padding-left: 1rem;
            margin: 1.5rem 0;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .rating-section, .comments-section {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active {
            color: #ffc107;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        button, .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background-color: #c1121f;
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--secondary-color);
            color: var(--light-color);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--light-color);
        }
        .footer-section h4 {
            color: var(--accent-color);
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.7rem;
        }
        .footer-section a {
            color: #ccc;
        }
        .footer-section a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background-color: rgba(255,255,255,0.1);
            border-radius: 4px;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .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: #ccc;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav {
                width: 100%;
                margin-top: 1rem;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            nav a {
                display: block;
                padding: 0.8rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.2rem;
                right: 20px;
            }
            article h1 {
                font-size: 2rem;
            }
            .content, .sidebar {
                padding: 1.5rem;
            }
        }