* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #4a22a3; 
            --secondary: #ff6b9d; 
            --accent: #00d4aa; 
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: var(--light);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: var(--spacing-sm); }
        .mt-2 { margin-top: var(--spacing-md); }
        .mt-3 { margin-top: var(--spacing-lg); }
        .mb-1 { margin-bottom: var(--spacing-sm); }
        .mb-2 { margin-bottom: var(--spacing-md); }
        .mb-3 { margin-bottom: var(--spacing-lg); }
        .py-2 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
        .highlight { color: var(--primary); font-weight: 700; }
        .emoji { font-size: 1.2em; }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            padding: 0.5rem;
            transition: var(--transition);
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover,
        .nav-desktop a:focus {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
            padding: 1rem;
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            text-decoration: none;
            color: var(--dark);
            border-bottom: 1px solid #eee;
        }
        .mobile-nav a:hover {
            background-color: #f5f5f5;
            color: var(--primary);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ccc;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #3a1a8a;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 300;
            color: var(--gray);
            margin-bottom: 2rem;
        }
        strong {
            color: var(--primary);
        }
        .content-img {
            margin: 2rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 0.5rem;
            font-size: 0.9rem;
        }
        .info-box {
            background: #f0f7ff;
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .link-in-article {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted;
        }
        .link-in-article:hover {
            color: var(--primary);
            border-bottom-style: solid;
        }
        aside {
            background: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-title {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
        }
        .related-links a {
            color: var(--dark);
            text-decoration: none;
            display: block;
            padding: 0.5rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: #f5f5f5;
            color: var(--primary);
            padding-left: 1rem;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray);
            background: #f9f9f9;
            padding: 1rem;
            border-radius: var(--border-radius);
        }
        .user-interaction {
            background: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: var(--spacing-lg);
        }
        .rating-section, .comment-section {
            margin-bottom: 3rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .star-rating label {
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating input:checked ~ label {
            color: #ccc;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 34, 163, 0.1);
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            align-self: flex-start;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #3a1a8a;
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--dark);
            color: white;
            margin-top: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links {
            flex: 1;
            min-width: 200px;
        }
        .footer-links h3 {
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: var(--border-radius);
        }
        friend-link a {
            color: var(--accent) !important;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
            width: 100%;
        }