* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #3a36e0;
            --secondary: #ff3e80;
            --accent: #00d4aa;
            --dark: #0f0f23;
            --light: #f5f5ff;
            --gray: #8a8aa3;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fefefe;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            color: var(--primary);
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        strong {
            color: var(--dark);
            font-weight: 700;
        }
        em {
            color: var(--secondary);
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--secondary);
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--accent);
            transition: var(--transition);
        }
        .desktop-nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            flex-direction: column;
            padding: 20px;
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
            font-size: 1.1rem;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumbs {
            padding: 15px 0;
            background-color: #f9f9ff;
            border-bottom: 1px solid #eaeaff;
            margin-bottom: 30px;
        }
        .breadcrumbs ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumbs li {
            display: flex;
            align-items: center;
            font-size: 0.95rem;
        }
        .breadcrumbs li:not(:last-child):after {
            content: '>';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumbs a {
            color: var(--gray);
        }
        .breadcrumbs a:hover {
            color: var(--primary);
        }
        .breadcrumbs li:last-child a {
            color: var(--primary);
            font-weight: 600;
        }
        main {
            padding: 30px 0 60px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 15px;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }
        .submit-btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f5f5ff, #eef2ff);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip {
            background-color: #fff8e1;
            border-left: 5px solid #ffc107;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
            display: flex;
            gap: 15px;
        }
        .tip i {
            color: #ff9800;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .comparison-table th {
            background-color: var(--primary);
            color: white;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
        }
        .comparison-table td {
            padding: 15px 20px;
            border-bottom: 1px solid #eee;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9ff;
        }
        .comparison-table tr:hover {
            background-color: #f0f0ff;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 25px 0;
        }
        .related-links a {
            background-color: #f0f0ff;
            padding: 8px 15px;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: var(--primary);
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 25px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 0;
            border-bottom: 1px dashed #444;
        }
        friend-link a {
            color: var(--accent);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            article {
                padding: 25px 20px;
            }
            .sidebar-widget {
                padding: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .last-updated {
            background-color: #f0f8ff;
            padding: 15px;
            border-radius: 8px;
            margin: 30px 0;
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 0.95rem;
            color: #555;
        }
        .last-updated i {
            color: var(--accent);
            font-size: 1.3rem;
        }