:root {
            --primary-color: #2a2d7c;
            --secondary-color: #ff6b35;
            --accent-color: #00c9b7;
            --dark-color: #1a1c3a;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            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-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-color);
            color: var(--light-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .logo span {
            background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            outline: none;
        }
        .search-form input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #e55a2b;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: var(--accent-color);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        nav {
            background-color: var(--primary-color);
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            display: block;
            padding: 18px 24px;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            position: relative;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-color);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100vh;
            background-color: var(--dark-color);
            padding: 80px 30px 30px;
            transition: var(--transition);
            z-index: 999;
            box-shadow: -5px 0 20px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile a {
            display: block;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .nav-mobile a:hover {
            color: var(--secondary-color);
            padding-left: 10px;
        }
        .close-btn {
            position: absolute;
            top: 25px;
            right: 25px;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 998;
        }
        .overlay.active {
            display: block;
        }
        main {
            padding: 40px 0;
            background-color: var(--light-color);
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px solid #eee;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .content-main {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .content-sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        h2 {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin: 40px 0 20px;
            font-size: 1.8rem;
        }
        h3 {
            color: var(--dark-color);
            margin: 30px 0 15px;
            font-size: 1.5rem;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(42, 45, 124, 0.05);
            border-left: 4px solid var(--accent-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight strong {
            color: var(--primary-color);
            font-size: 1.1rem;
        }
        .featured-image {
            margin: 40px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            padding: 15px;
            background-color: #f5f5f5;
            font-size: 0.9rem;
            color: var(--text-light);
            text-align: center;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--accent-color);
        }
        .stat-card h3 {
            color: white;
            font-size: 2.2rem;
            margin: 10px 0;
        }
        .stat-card p {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0;
        }
        .link-list {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .link-list h3 {
            margin-top: 0;
            color: var(--secondary-color);
        }
        .link-list ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 15px;
            border-radius: 8px;
            background-color: #f9f9f9;
            border: 1px solid #eee;
        }
        .link-list a:hover {
            background-color: #eef7ff;
            border-color: var(--accent-color);
            transform: translateX(5px);
        }
        .link-list i {
            color: var(--primary-color);
        }
        .interaction-section {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .interaction-section h2 {
            margin-top: 0;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 15px;
            margin: 20px 0 30px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ddd;
            cursor: pointer;
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #ffc107;
        }
        .rating-form,
        .comment-form,
        .search-form-main {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--primary-color);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(0, 201, 183, 0.1);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 576px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        button[type="submit"] {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        button[type="submit"]:hover {
            background-color: #e55a2b;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 107, 53, 0.3);
        }
        .footer-links {
            background-color: #f0f2f5;
            padding: 50px 0;
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            display: block;
            color: var(--primary-color);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        .footer-about p {
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            font-size: 1.2rem;
        }
        .social-links a:hover {
            background-color: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer-links-col h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 10px;
        }
        .footer-links-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links-col a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .text-bold {
            font-weight: 700;
        }
        .text-accent {
            color: var(--accent-color);
        }
        .text-secondary {
            color: var(--secondary-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 8px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-family: inherit;
        }
        .btn:hover {
            background-color: var(--dark-color);
            transform: translateY(-3px);
        }
        .btn-accent {
            background-color: var(--accent-color);
        }
        .btn-accent:hover {
            background-color: #00b3a1;
        }