* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #ff6b35;
            --secondary-color: #2e86ab;
            --accent-color: #f79256;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --dark-bg: #2d3047;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1c2b 100%);
            color: var(--white);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-mobile {
            display: none;
        }
        @media (max-width: 768px) {
            .nav-mobile {
                display: block;
            }
        }
        .nav-link {
            color: var(--white);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: var(--transition);
            font-weight: 500;
        }
        .nav-link:hover {
            background-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--dark-bg);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .breadcrumb {
            background-color: var(--white);
            padding: 1rem 0;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .breadcrumb-content {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .breadcrumb-item {
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .breadcrumb-item:hover {
            color: var(--primary-color);
        }
        .breadcrumb-separator {
            color: #666;
        }
        .search-section {
            background: linear-gradient(135deg, var(--secondary-color) 0%, #1b5299 100%);
            padding: 3rem 0;
            text-align: center;
            color: var(--white);
            margin-bottom: 3rem;
        }
        .search-container {
            max-width: 600px;
            margin: 0 auto;
        }
        .search-title {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--white);
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin-top: 2rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
        }
        .search-btn:hover {
            background: var(--accent-color);
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2rem;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 2rem;
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 2rem;
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--primary-color);
        }
        .content-text {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, var(--primary-color) 0%, var(--primary-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.2em;
            background-position: 0 88%;
            font-weight: bold;
            color: var(--dark-bg);
        }
        .download-section {
            background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .download-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-color);
            color: var(--white);
            padding: 1rem 2rem;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            transition: var(--transition);
            margin: 1rem 0;
        }
        .download-btn:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .rating-system {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-input,
        .form-textarea {
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
        }
        .submit-btn:hover {
            background: #1b5299;
            transform: translateY(-2px);
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        .comment-author {
            font-weight: bold;
            color: var(--secondary-color);
        }
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        .footer-links {
            background: var(--white);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: var(--light-bg);
            padding: 1rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary-color);
            color: var(--white);
            transform: translateY(-2px);
        }
        .web-link a {
            color: inherit;
            text-decoration: none;
            font-weight: 500;
        }
        footer {
            background: var(--dark-bg);
            color: var(--white);
            padding: 3rem 0 1rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .footer-links-list {
            list-style: none;
        }
        .footer-links-list li {
            margin-bottom: 0.5rem;
        }
        .footer-links-list a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links-list a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            color: #ccc;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }