:root {
            --primary: #00a8e1;
            --secondary: #ff6b9d;
            --dark: #1a2b3c;
            --light: #f8f9fa;
            --grey: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #fff;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--primary);
        }
        .my-logo:hover {
            color: var(--primary);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 500;
        }
        nav a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
            color: var(--grey);
        }
        .search-bar {
            background: linear-gradient(135deg, #f0f8ff 0%, #e6f7ff 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--primary);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .content-area {
            background: white;
        }
        .sidebar {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            align-self: start;
            position: sticky;
            top: 100px;
            box-shadow: var(--shadow);
        }
        article h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--grey);
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        article h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--primary);
        }
        article h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
        }
        article h4 {
            font-size: 1.2rem;
            color: var(--grey);
            margin: 1.5rem 0 0.8rem;
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .featured-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid #ffc107;
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dashed var(--primary);
        }
        .user-interaction {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .interaction-title {
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            align-self: flex-start;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark);
            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;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            color: #ccc;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: var(--dark);
                width: 80%;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: 0.5s;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            nav ul.active {
                right: 0;
            }
            article h1 {
                font-size: 2.2rem;
            }
        }