* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #4361ee;
            --secondary-color: #3a0ca3;
            --accent-color: #f72585;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --border-radius: 12px;
            --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #fefefe;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent-color);
            transform: scale(1.02);
        }
        .my-logo i {
            margin-right: 10px;
            font-size: 2.5rem;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger-menu {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger-menu {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--secondary-color);
            flex-direction: column;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--light-color);
            border-bottom: 1px solid #eee;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: var(--gray-color);
        }
        .breadcrumb .current {
            color: var(--gray-color);
            font-weight: 600;
        }
        .search-section {
            background-color: #e9ecef;
            padding: 2rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--secondary-color);
        }
        main {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px dashed #eee;
            color: var(--gray-color);
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #fff3cd;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            color: #856404;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.005);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }
        .highlight {
            background-color: #e7f3ff;
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: var(--dark-color);
        }
        .link-list {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .link-list ul {
            list-style-position: inside;
            columns: 2;
        }
        @media (max-width: 576px) {
            .link-list ul {
                columns: 1;
            }
        }
        .link-list li {
            margin-bottom: 0.8rem;
        }
        .link-list a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        .link-list a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .inline-link {
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }
        .inline-link:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        aside {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-section {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .rating-widget {
            text-align: center;
            padding: 1.5rem;
            background: linear-gradient(135deg, #fdfcfb, #f5f7fa);
            border-radius: var(--border-radius);
            border: 2px solid #e9ecef;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .star {
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .rating-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
            margin-top: 1rem;
        }
        .rating-button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #eee;
        }
        .comment-form {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        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: 900;
            margin-bottom: 1rem;
            color: white;
            text-decoration: none;
            display: inline-block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-top: 2rem;
        }
        friend-link h4 {
            color: white;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            margin-right: 1.5rem;
            margin-bottom: 0.8rem;
        }
        friend-link a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        .bold {
            font-weight: 800;
            color: var(--dark-color);
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .py-2 {
            padding-top: 2rem;
            padding-bottom: 2rem;
        }