* {
            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: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        ul, ol {
            list-style-position: inside;
            padding-left: 1.2em;
        }
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.3;
            color: #1a365d;
            margin-bottom: 0.8em;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.2rem;
            border-left: 6px solid #f59e0b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #e2e8f0;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #2d3748;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.125rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #4a5568;
            background: #e6fffa;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #38b2ac;
        }
        .highlight {
            background: linear-gradient(120deg, #f0fff4 0%, #e6fffa 100%);
            padding: 2rem;
            border-radius: 12px;
            border: 2px solid #38b2ac;
            margin: 2rem 0;
        }
        .term {
            font-weight: bold;
            color: #2b6cb0;
        }
        .note {
            background-color: #fffaf0;
            border-left: 5px solid #ed8936;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background-color: #fff5f5;
            border-left: 5px solid #f56565;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-header {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            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: 900;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #f59e0b;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-desktop ul {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fbbf24;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #2d3748;
            flex-direction: column;
            padding: 1rem 2rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem 0;
            border-bottom: 1px solid #4a5568;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            color: #fbbf24;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
        }
        .breadcrumb {
            padding: 1.2rem 0;
            background-color: #edf2f7;
            font-size: 0.95rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #718096;
        }
        .breadcrumb a:hover {
            color: #2b6cb0;
            text-decoration: underline;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #718096;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f59e0b;
        }
        .quick-links ul {
            list-style: none;
            padding-left: 0;
        }
        .quick-links li {
            margin-bottom: 0.8rem;
        }
        .quick-links a {
            display: block;
            padding: 0.8rem 1rem;
            background-color: #f7fafc;
            border-radius: 8px;
            border-left: 4px solid #4299e1;
        }
        .quick-links a:hover {
            background-color: #ebf8ff;
            transform: translateX(5px);
            transition: all 0.3s ease;
        }
        .search-box, .comment-form, .rating-form {
            background: #f8fafc;
            padding: 1.8rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            border: 1px solid #e2e8f0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        .btn {
            display: inline-block;
            padding: 0.9rem 2rem;
            background: linear-gradient(90deg, #3182ce, #2b6cb0);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(90deg, #2b6cb0, #2c5282);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(43, 108, 176, 0.3);
        }
        .btn-block {
            width: 100%;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #cbd5e0;
            margin-bottom: 1rem;
        }
        .stars i {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #f59e0b;
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            border-left: 4px solid #4299e1;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            color: #718096;
        }
        .comment-author {
            font-weight: 700;
            color: #2d3748;
        }
        .footer-links {
            background: #1a202c;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            background: #2d3748;
            color: #cbd5e0;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #4a5568;
            color: white;
            transform: translateY(-3px);
        }
        .site-footer {
            background: #1a202c;
            color: #a0aec0;
            text-align: center;
            padding: 2rem 0;
            border-top: 1px solid #2d3748;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            .main-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .sidebar {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
            100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
        }
        .img-container {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            margin: 2.5rem 0;
        }
        .img-container img {
            transition: transform 0.5s ease;
            width: 100%;
        }
        .img-container:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
        }