:root {
            --primary-colour: #9c59d6;
            --primary-dark: #7e3cb8;
            --secondary-colour: #2ecc71;
            --accent-colour: #f1c40f;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --bg-light: #f9f9f9;
            --bg-dark: #1a1a2e;
            --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--bg-dark), #2d2d5a);
            color: var(--text-light);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-colour);
            text-decoration: none;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            background: linear-gradient(to right, #9c59d6, #2ecc71);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2.5rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--accent-colour);
            border-bottom-color: var(--accent-colour);
        }
        .hamburger-menu {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger-menu {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background-color: var(--bg-dark);
            padding: 4rem 2rem 2rem;
            transition: right 0.4s ease;
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav a {
            display: block;
            color: var(--text-light);
            text-decoration: none;
            padding: 1rem 0;
            border-bottom: 1px solid #333;
            font-size: 1.2rem;
            transition: padding-left 0.3s;
        }
        .mobile-nav a:hover {
            color: var(--accent-colour);
            padding-left: 1rem;
        }
        .close-menu {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f0f0f5;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: var(--primary-colour);
        }
        .breadcrumb a {
            color: var(--primary-dark);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--card-shadow);
            margin-bottom: 3rem;
        }
        @media (max-width: 768px) {
            article {
                padding: 1.5rem;
            }
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--text-dark);
            margin-top: 3rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--secondary-colour);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-colour);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            font-style: italic;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.2rem;
            color: #444;
            background: linear-gradient(to right, #f8f9ff, #eef2ff);
            padding: 2rem;
            border-left: 5px solid var(--primary-colour);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-weight: bold;
            color: #b8860b;
        }
        .quote {
            font-style: italic;
            border-left: 4px solid var(--secondary-colour);
            padding-left: 1.5rem;
            margin: 2rem 0 2rem 2rem;
            color: #555;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.008);
        }
        .content-link {
            color: var(--primary-dark);
            text-decoration: none;
            border-bottom: 1px dashed var(--primary-colour);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary-colour);
            border-bottom-style: solid;
            background-color: #f9f0ff;
        }
        .interactive-module {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: var(--card-shadow);
            border: 1px solid #e1e1e1;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
            color: var(--primary-dark);
        }
        .module-title i {
            font-size: 2rem;
            color: var(--secondary-colour);
        }
        form {
            display: grid;
            gap: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        input, textarea, select {
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-colour);
            box-shadow: 0 0 0 3px rgba(156, 89, 214, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-colour), var(--primary-dark));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.8rem;
            text-decoration: none;
            max-width: fit-content;
        }
        button:hover, .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(156, 89, 214, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-colour);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border-top: 5px solid var(--primary-colour);
        }
        .stat-card:hover {
            transform: translateY(-10px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1;
        }
        .stat-desc {
            color: #666;
            margin-top: 1rem;
        }
        footer {
            background-color: var(--bg-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: var(--accent-colour);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            border-bottom: none;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: var(--secondary-colour);
            padding-left: 0.5rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.05);
            color: #ddd;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            margin: 0.5rem;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--accent-colour);
            color: var(--accent-colour);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #e7f7ff;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            text-align: center;
            font-weight: bold;
            color: #0066cc;
        }