:root {
            --primary-color: #9c5be3;
            --primary-dark: #7a3bc2;
            --secondary-color: #ff6bc9;
            --accent-color: #5be3e3;
            --text-dark: #333333;
            --text-light: #666666;
            --text-lighter: #888888;
            --bg-light: #f9f5ff;
            --bg-white: #ffffff;
            --border-color: #e8e0f5;
            --shadow: 0 4px 12px rgba(156, 91, 227, 0.1);
            --shadow-hover: 0 8px 20px rgba(156, 91, 227, 0.2);
            --radius: 12px;
            --transition: all 0.3s ease;
            --header-height: 80px;
        }
        * {
            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: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary-color);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--primary-dark);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color);
        }
        .nav-link:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 10px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 2px;
            transition: var(--transition);
        }
        @media (max-width: 992px) {
            .hamburger {
                display: flex;
            }
        }
        .mobile-nav {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-lighter);
            margin-top: 10px;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 30px 0 60px;
        }
        article {
            background-color: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            article {
                padding: 25px 20px;
            }
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-light);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 30px;
            padding-left: 15px;
            border-left: 4px solid var(--accent-color);
        }
        .highlight {
            background-color: rgba(156, 91, 227, 0.1);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
            border-left: 4px solid var(--primary-color);
        }
        em {
            color: var(--primary-color);
            font-style: italic;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary-color);
            border-bottom: 1px solid var(--secondary-color);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--radius);
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: var(--shadow-hover);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-lighter);
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .feature-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .feature-box {
            background-color: var(--bg-light);
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .feature-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        .feature-title i {
            font-size: 1.5rem;
        }
        .search-container {
            margin: 40px 0;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 30px;
            border-radius: var(--radius);
            color: white;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 20px auto 0;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--bg-white);
            color: var(--primary-color);
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--bg-light);
        }
        .rating-container {
            margin: 40px 0;
            padding: 25px;
            background-color: var(--bg-light);
            border-radius: var(--radius);
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .rating-star {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-star:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 500px;
            margin: 20px auto 0;
        }
        .rating-input {
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .rating-submit {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-submit:hover {
            background-color: var(--primary-dark);
        }
        .comments-container {
            margin: 50px 0;
        }
        .comment-form {
            background-color: var(--bg-light);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 30px;
        }
        .comment-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-submit {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .form-submit:hover {
            background-color: var(--primary-dark);
        }
        .last-updated {
            text-align: center;
            padding: 15px;
            background-color: var(--bg-light);
            border-radius: var(--radius);
            margin: 30px 0;
            color: var(--text-light);
            font-style: italic;
        }
        footer {
            background-color: var(--text-dark);
            color: white;
            padding: 50px 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;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #cccccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: var(--radius);
            margin: 10px 0;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateX(5px);
        }
        friend-link a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaaaaa;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2rem;
            margin: 0 3px;
        }
        @media (max-width: 768px) {
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: var(--radius);
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: var(--radius);
                padding: 15px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }