* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #ff6b35;
            --secondary-color: #1a237e;
            --accent-color: #00e676;
            --text-dark: #2d3748;
            --text-light: #718096;
            --background-light: #f7fafc;
            --background-white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--background-light);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--background-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        .logo span {
            color: var(--secondary-color);
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            color: var(--text-dark);
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            color: var(--primary-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--secondary-color);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--background-white);
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            z-index: 999;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px;
            font-weight: 600;
            border-bottom: 1px solid #eee;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: #f5f5f5;
            color: var(--primary-color);
            padding-left: 20px;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 12px 20px;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 8px;
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .search-container {
            max-width: 500px;
            margin: 30px auto 40px;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #e55a2b;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 20px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background-color: var(--background-white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 30px;
            border-bottom: 2px solid #eee;
            padding-bottom: 20px;
        }
        .article-title {
            font-size: 2.5rem;
            line-height: 1.3;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .article-content h2 {
            font-size: 1.8rem;
            color: var(--secondary-color);
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #eee;
        }
        .article-content h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .article-content emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight-box {
            background-color: #e8f4fd;
            border-left: 5px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .step-list {
            counter-reset: step-counter;
            margin-left: 20px;
            margin-bottom: 30px;
        }
        .step-list li {
            counter-increment: step-counter;
            margin-bottom: 25px;
            padding-left: 30px;
            position: relative;
        }
        .step-list li::before {
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 0;
            background-color: var(--primary-color);
            color: white;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.9rem;
        }
        .feature-image {
            margin: 30px 0;
            text-align: center;
        }
        .feature-image img {
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: var(--transition);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .feature-image img:hover {
            transform: scale(1.01);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        .image-caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--background-white);
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--primary-color);
        }
        .popular-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dotted #ddd;
        }
        .popular-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .popular-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .popular-links i {
            color: var(--accent-color);
        }
        .rating-widget {
            text-align: center;
        }
        .rating-stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 15px 0;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: var(--transition);
            padding: 0 2px;
        }
        .rating-stars .star:hover {
            transform: scale(1.2);
        }
        .rating-form {
            margin-top: 20px;
        }
        .rating-form select,
        .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .rating-form button:hover {
            background-color: #00c853;
        }
        .comments-section {
            margin-top: 50px;
            background-color: var(--background-white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .comments-list {
            margin: 30px 0;
        }
        .comment {
            padding: 20px;
            border-bottom: 1px solid #eee;
            display: flex;
            gap: 15px;
        }
        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--secondary-color);
            flex-shrink: 0;
        }
        .comment-content h4 {
            color: var(--secondary-color);
            margin-bottom: 5px;
        }
        .comment-meta {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .comment-text {
            line-height: 1.6;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #0d1a5c;
        }
        .footer-links {
            background-color: var(--secondary-color);
            padding: 40px 20px;
            margin-top: 60px;
        }
        .footer-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 25px;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #e2e8f0;
            display: block;
            line-height: 1.5;
        }
        .web-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .site-footer {
            background-color: #0d1a5c;
            color: #cbd5e0;
            padding: 30px 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            font-size: 1.5rem;
        }
        .social-links a {
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-color);
            transform: translateY(-3px);
        }
        .copyright {
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .article-title {
                font-size: 2rem;
            }
            .article {
                padding: 25px;
            }
            .main-content {
                padding: 10px;
            }
            .search-container {
                margin: 20px auto 30px;
            }
            .header-container,
            .breadcrumb {
                padding: 15px;
            }
        }
        @media (max-width: 480px) {
            .article-title {
                font-size: 1.7rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-input,
            .search-button {
                width: 100%;
                border-radius: 0;
                padding: 15px;
            }
            .rating-stars {
                font-size: 1.7rem;
            }
        }
        @media print {
            .site-header,
            .sidebar,
            .search-container,
            .comments-section,
            .footer-links,
            .site-footer {
                display: none;
            }
            .article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background-color: white;
                color: black;
            }
        }