* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1e40af;
            --secondary-color: #dc2626;
            --accent-color: #16a34a;
            --text-color: #1f2937;
            --light-bg: #f8fafc;
            --white: #ffffff;
            --shadow: 0 4px 6px -1px 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(--primary-color), #1e3a8a);
            color: var(--white);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .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: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--primary-color);
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: var(--white);
            padding: 1rem 0;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .breadcrumb-links {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .breadcrumb-links a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-links a:hover {
            color: var(--secondary-color);
        }
        .search-section {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
        }
        .search-btn {
            background: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-btn:hover {
            background: #1e3a8a;
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 1024px) {
            .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;
            text-align: center;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #6b7280;
            margin-bottom: 1rem;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .content-section {
            margin: 3rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent-color);
            display: inline-block;
        }
        .content-text {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(120deg, #fef3c7, #fde68a);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            border-left: 4px solid var(--accent-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .sidebar {
            background: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e5e7eb;
        }
        .popular-links {
            list-style: none;
        }
        .popular-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #f1f5f9;
        }
        .popular-links a {
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .popular-links a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .interactive-section {
            background: linear-gradient(135deg, #1e40af, #3730a3);
            color: var(--white);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
        }
        .rating-system {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin: 1.5rem 0;
            flex-wrap: wrap;
        }
        .rating-star {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-star:hover,
        .rating-star.active {
            color: #fbbf24;
            transform: scale(1.2);
        }
        .comment-form {
            max-width: 600px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: 1.5rem;
            text-align: left;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            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(255, 255, 255, 0.1);
        }
        .form-textarea {
            height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--accent-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background: #15803d;
            transform: translateY(-2px);
        }
        .footer-links {
            background: var(--white);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: var(--light-bg);
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background: var(--primary-color);
            color: var(--white);
            transform: translateY(-3px);
        }
        .web-link a {
            color: inherit;
            text-decoration: none;
            font-weight: 500;
        }
        footer {
            background: var(--primary-color);
            color: var(--white);
            padding: 2rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        .copyright {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-link {
            color: var(--white);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .social-link:hover {
            color: var(--accent-color);
            transform: translateY(-3px);
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }