* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #4a1fb8;
            --secondary: #ffcc00;
            --accent: #ff3e80;
            --dark: #1a0933;
            --light: #f8f5ff;
            --text: #333333;
            --text-light: #666;
            --border: #e1d8f0;
            --success: #2ecc71;
            --shadow: 0 5px 20px rgba(74, 31, 184, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 100%;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, #f8f5ff 0%, #ffffff 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--accent);
            background: var(--secondary);
            padding: 2px 8px;
            border-radius: 6px;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: 2.5rem;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(74, 31, 184, 0.05);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(74, 31, 184, 0.1);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-links a:hover::after {
            width: 80%;
        }
        .search-box {
            display: flex;
            background: var(--light);
            border-radius: 50px;
            padding: 8px 20px;
            align-items: center;
            border: 2px solid var(--border);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 12px;
            width: 200px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--primary);
            border: none;
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-box button:hover {
            background: var(--accent);
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 10px;
        }
        .hamburger span {
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background: rgba(74, 31, 184, 0.03);
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 1rem;
            max-width: 1280px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
        }
        .hero {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, var(--primary) 0%, #6b3ad8 100%);
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            top: -150px;
            right: -100px;
        }
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--dark);
            box-shadow: 0 5px 20px rgba(255, 204, 0, 0.3);
        }
        .btn-primary:hover {
            background: #ffd633;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 204, 0, 0.4);
        }
        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
            transform: translateY(-3px);
        }
        .main-container {
            max-width: 1280px;
            margin: 3rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        .article-content {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        .featured-image {
            width: 100%;
            border-radius: 15px;
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.005);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        .section {
            margin: 3rem 0;
            scroll-margin-top: 100px;
        }
        h2 {
            color: var(--primary);
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            color: var(--dark);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--accent);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin: 1.2rem 0;
            font-size: 1.1rem;
            color: var(--text);
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 600;
            line-height: 1.8;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 204, 0, 0.2) 0%, rgba(255, 204, 0, 0) 100%);
            padding: 2rem;
            border-radius: 15px;
            border-left: 5px solid var(--secondary);
            margin: 2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .stat-card {
            background: var(--light);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .tip-box {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            position: relative;
            border-left: 5px solid var(--accent);
        }
        .tip-box::before {
            content: "💡";
            position: absolute;
            top: -15px;
            left: -15px;
            background: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: var(--shadow);
        }
        blockquote {
            font-style: italic;
            color: var(--text-light);
            border-left: 4px solid var(--primary);
            padding-left: 2rem;
            margin: 2rem 0;
            font-size: 1.2rem;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar h3 {
            font-size: 1.5rem;
            margin-top: 0;
        }
        .toc {
            position: sticky;
            top: 120px;
        }
        .toc-list {
            list-style: none;
            padding-left: 0;
        }
        .toc-list li {
            margin: 0.8rem 0;
        }
        .toc-list a {
            text-decoration: none;
            color: var(--text);
            padding: 0.8rem 1.2rem;
            border-radius: 8px;
            display: block;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .toc-list a:hover,
        .toc-list a.active {
            background: var(--light);
            border-left-color: var(--primary);
            color: var(--primary);
            padding-left: 1.5rem;
        }
        .interactive-section {
            background: linear-gradient(135deg, #f8f5ff 0%, #ffffff 100%);
            padding: 3rem;
            border-radius: 20px;
            margin: 4rem 0;
            border: 2px solid var(--border);
        }
        .form-group {
            margin-bottom: 2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
            background: white;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 31, 184, 0.1);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label {
            color: var(--secondary);
        }
        .btn-submit {
            background: var(--primary);
            color: white;
            padding: 1rem 3rem;
            font-size: 1.1rem;
            width: 100%;
            margin-top: 1rem;
        }
        .btn-submit:hover {
            background: #3a1898;
        }
        .comments-section {
            margin-top: 4rem;
        }
        .comment {
            background: white;
            padding: 1.5rem;
            border-radius: 15px;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--border);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            align-items: center;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .footer-links-section {
            background: var(--dark);
            padding: 4rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-links-container {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 10px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
            line-height: 1.6;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        .footer {
            background: #130625;
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .copyright {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0 1.5rem;
            }
            .nav-container {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: stretch;
                padding: 2rem;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                gap: 1.5rem;
            }
            .nav-container.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links {
                flex-direction: column;
                gap: 1rem;
            }
            .hamburger {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -7px);
            }
            .search-box input {
                width: 100%;
            }
            .hero {
                padding: 3rem 1.5rem;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .main-container,
            .article-content {
                padding: 1.5rem;
            }
            .article-content {
                padding: 2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
                max-width: 400px;
                margin: 0 auto;
            }
            .btn {
                text-align: center;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-links-section {
                padding: 3rem 1.5rem 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .section {
                margin: 2rem 0;
            }
            .interactive-section {
                padding: 2rem 1.5rem;
            }
        }
        @media print {
            .header,
            .sidebar,
            .interactive-section,
            .footer-links-section,
            .footer {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            .main-container {
                grid-template-columns: 1fr;
                max-width: 100%;
                padding: 0;
                margin: 0;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            .featured-image {
                max-width: 100%;
                height: auto;
            }
        }
