:root {
            --primary-color: #0a58ca;
            --secondary-color: #dc3545;
            --accent-color: #ffc107;
            --dark-bg: #1a1d28;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --card-bg: #ffffff;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #0d1b3e 100%);
            color: white;
            padding: 1rem 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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo a i {
            color: var(--secondary-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--accent-color);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent-color);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #eef2f7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-bar {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem 0;
            text-align: center;
        }
        .search-bar h2 {
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary-color);
        }
        .search-form button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #084298;
        }
        .article-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .article-container {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 2.5rem;
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 3px solid var(--primary-color);
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark-bg);
            margin-bottom: 1rem;
        }
        .meta-info {
            display: flex;
            gap: 1.5rem;
            color: #666;
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-image {
            width: 100%;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content h2 {
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
            font-size: 2rem;
        }
        .article-content h3 {
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
            font-size: 1.5rem;
        }
        .article-content ul, .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f7ff 0%, #e3eeff 100%);
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip {
            background-color: #fff8e1;
            border-left: 5px solid var(--accent-color);
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .inline-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted transparent;
            transition: var(--transition);
        }
        .inline-link:hover {
            border-bottom-color: var(--primary-color);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 1.8rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #eee;
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent-color);
        }
        .rating-widget input, .rating-widget textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
        }
        .rating-widget button {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background: #bb2d3b;
        }
        .comment-widget .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
        }
        .related-links a {
            color: var(--text-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.7rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: #f0f7ff;
            color: var(--primary-color);
            transform: translateX(5px);
        }
        .footer-links {
            background-color: #2c3e50;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            background: rgba(255,255,255,0.05);
            margin: 0.5rem;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .web-link a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.95rem;
        }
        .web-link:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        .links-container {
            text-align: center;
        }
        .main-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .social-links {
            display: flex;
            gap: 1.5rem;
            font-size: 1.5rem;
        }
        .social-links a {
            color: var(--text-light);
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-color);
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            width: 100%;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--dark-bg);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                gap: 1.5rem;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
                z-index: 999;
            }
            .main-nav.active ul {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .main-article {
                padding: 1.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input,
            .search-form button {
                border-radius: 50px;
                width: 100%;
            }
            .search-form input {
                margin-bottom: 0.5rem;
            }
        }