* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Arial, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: #0066cc;
            transition: color 0.3s;
        }
        a:hover {
            color: #004d99;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2c3e50, #1a1a2e);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #00a2ff;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ff6b6b;
        }
        .logo span {
            color: #4ecdc4;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: #ecf0f1;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .nav-links a:hover {
            background-color: rgba(0, 162, 255, 0.2);
            color: #00a2ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ecf0f1;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .search-container {
            background-color: #2d3436;
            padding: 2rem 0;
            text-align: center;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box button {
            background: linear-gradient(to right, #00a2ff, #4ecdc4);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-box button:hover {
            background: linear-gradient(to right, #0088cc, #3db8ae);
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #4ecdc4;
            padding-bottom: 0.8rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        .article-meta span i {
            margin-right: 8px;
            color: #00a2ff;
        }
        .article-content h2 {
            font-size: 2rem;
            color: #34495e;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid #ff6b6b;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: #2d3436;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
            color: #2d3436;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 4px solid #ffcc00;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
        }
        .steps {
            counter-reset: step-counter;
            margin: 2rem 0;
        }
        .step {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 10px;
            padding: 1.8rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 5rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .step:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .step:before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            left: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            background: linear-gradient(135deg, #00a2ff, #4ecdc4);
            color: white;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: bold;
        }
        .note-box {
            background-color: #e3f2fd;
            border: 1px solid #bbdefb;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        .note-box h4 {
            color: #1565c0;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
        }
        .note-box h4 i {
            margin-right: 10px;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        strong {
            color: #2c3e50;
        }
        aside {
            background-color: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        aside h3 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #4ecdc4;
            font-size: 1.5rem;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .related-links a {
            display: block;
            padding: 0.9rem 1rem;
            background-color: #f8f9fa;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border-left: 4px solid #00a2ff;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background-color: #e3f2fd;
            transform: translateX(5px);
        }
        .rating-container {
            background-color: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-top: 2rem;
            text-align: center;
        }
        .rating-container h3 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
        }
        .stars {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .stars i {
            margin: 0 5px;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form button {
            background: linear-gradient(to right, #00a2ff, #4ecdc4);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 1rem;
        }
        .rating-form button:hover {
            background: linear-gradient(to right, #0088cc, #3db8ae);
            box-shadow: 0 5px 15px rgba(0, 162, 255, 0.4);
        }
        .comments-container {
            background-color: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            margin-top: 2rem;
        }
        .comments-container h3 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #4ecdc4;
            padding-bottom: 0.8rem;
        }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1.2rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .comment-form input:focus, .comment-form textarea:focus {
            border-color: #00a2ff;
            outline: none;
        }
        .comment-form button {
            background: linear-gradient(to right, #00a2ff, #4ecdc4);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .comment-form button:hover {
            background: linear-gradient(to right, #0088cc, #3db8ae);
        }
        .comment-list {
            margin-top: 2.5rem;
        }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 1.5rem 0;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            color: #666;
            font-size: 0.9rem;
        }
        .comment-body {
            font-size: 1.05rem;
            color: #333;
        }
        .footer-links {
            background-color: #2c3e50;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            border-radius: 6px;
            padding: 1.2rem;
            margin-bottom: 1.2rem;
            transition: all 0.3s;
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateX(10px);
        }
        .web-link a {
            color: #ecf0f1;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            color: #4ecdc4;
        }
        footer {
            background-color: #1a1a2e;
            color: #bdc3c7;
            padding: 2.5rem 0;
            text-align: center;
        }
        footer p {
            margin-bottom: 0.5rem;
            font-size: 1rem;
        }
        .social-icons {
            margin-top: 1.5rem;
            font-size: 1.8rem;
        }
        .social-icons a {
            color: #bdc3c7;
            margin: 0 15px;
            transition: color 0.3s, transform 0.3s;
        }
        .social-icons a:hover {
            color: #4ecdc4;
            transform: scale(1.2);
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #2c3e50;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0;
                text-align: center;
                padding: 1rem 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.4rem;
            }
        }