* {
            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: #f9f7ff;
            background-image: linear-gradient(to bottom right, #f0edff 0%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #6c63ff;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #4a43d4;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        ul, ol {
            padding-left: 2rem;
            margin: 1rem 0;
        }
        .site-header {
            background: linear-gradient(135deg, #2a2356 0%, #4a43d4 100%);
            color: white;
            padding: 1.2rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(42, 35, 86, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd166;
            text-shadow: 2px 2px 0 #6c63ff;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #ffbd3d;
        }
        .nav-primary {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        .nav-primary a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
        }
        .nav-primary a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9e5ff;
            padding: 0.8rem 5%;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1c9ff;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:last-child {
            color: #333;
            font-weight: bold;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: #888;
        }
        .main-content {
            flex: 1;
            padding: 2rem 5%;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        article {
            background-color: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 3rem;
            color: #2a2356;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffd166;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a43d4;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.7rem;
            color: #6c63ff;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #888;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #555;
            background-color: #f0edff;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #6c63ff;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9db;
            border-left: 5px solid #ffd166;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        .info-box {
            background-color: #e9f7ff;
            border-left: 5px solid #4a43d4;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        blockquote {
            font-style: italic;
            color: #666;
            border-left: 4px solid #ffd166;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .img-container img {
            transition: transform 0.5s ease;
        }
        .img-container:hover img {
            transform: scale(1.02);
        }
        .img-caption {
            font-size: 0.9rem;
            color: #777;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin: 2rem 0;
        }
        .keyword-tag {
            background-color: #f0edff;
            color: #4a43d4;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 2px solid transparent;
        }
        .keyword-tag:hover {
            border-color: #4a43d4;
            text-decoration: none;
        }
        .interactive-section {
            background-color: #f8f7ff;
            border-radius: 15px;
            padding: 2rem;
            margin: 3rem 0;
            border: 2px solid #e9e5ff;
        }
        .interactive-section h3 {
            color: #2a2356;
            margin-top: 0;
        }
        form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #444;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 2px solid #d1c9ff;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #6c63ff;
            box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #6c63ff, #4a43d4);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #5a53e5, #3a34c4);
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(108, 99, 255, 0.4);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffd166;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .link-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid #e9e5ff;
            transition: all 0.3s;
            text-align: center;
        }
        .link-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(108, 99, 255, 0.15);
            border-color: #6c63ff;
        }
        .link-card h4 {
            color: #2a2356;
            margin-top: 0;
        }
        .site-footer {
            background: linear-gradient(135deg, #2a2356 0%, #1a153f 100%);
            color: #ccc;
            padding: 3rem 5% 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #ffd166;
            margin-bottom: 1rem;
        }
        .footer-section h4 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #4a43d4;
            padding-bottom: 0.5rem;
        }
        .footer-links a {
            color: #ccc;
            display: block;
            margin-bottom: 0.8rem;
        }
        .footer-links a:hover {
            color: #ffd166;
            padding-left: 0.5rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            color: #ffd166;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            margin: 0.5rem 0.5rem 0.5rem 0;
            font-weight: 600;
        }
        friend-link a {
            color: inherit;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .main-content { padding: 2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2a2356;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5rem 5%;
                border-top: 1px solid #4a43d4;
            }
            .nav-primary.active {
                display: flex;
            }
            .hamburger { display: block; }
            .header-container { flex-wrap: nowrap; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .main-content, .breadcrumb { padding-left: 2rem; padding-right: 2rem; }
            .footer-container { grid-template-columns: 1fr; gap: 2rem; }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.8rem; }
            .main-content { padding: 1.5rem; }
            article { padding: 1.5rem; }
            .interactive-section { padding: 1.5rem; }
            .form-group { grid-column: 1 / -1; }
        }