:root {
            --primary: #ff66a3;
            --secondary: #5d4fff;
            --accent: #ffcc00;
            --dark: #2a2a3c;
            --light: #f8f5ff;
            --text: #333344;
            --shadow: rgba(93, 79, 255, 0.15);
            --radius: 12px;
            --transition: all 0.3s ease;
            --header-height: 80px;
        }
        * {
            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: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, #fff0f9 0%, #f0f4ff 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: 0 5px 20px 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-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--primary);
            font-size: 2.5rem;
        }
        .my-logo:hover {
            transform: scale(1.03);
            transition: var(--transition);
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav.desktop-nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 16px;
            border-radius: 50px;
            transition: var(--transition);
        }
        nav.desktop-nav a:hover,
        nav.desktop-nav a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }
        .mobile-nav {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: 0 10px 20px var(--shadow);
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 20px;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.2rem;
            display: block;
            padding: 12px 20px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--light);
            color: var(--primary);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 30px 0 60px;
        }
        article {
            background-color: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: 0 10px 30px var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 25px;
            line-height: 1.2;
            border-left: 8px solid var(--accent);
            padding-left: 20px;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 45px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px dashed var(--primary);
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: 35px 0 15px;
        }
        h4 {
            color: var(--dark);
            font-size: 1.3rem;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--secondary);
            background-color: #f8f5ff;
            padding: 20px;
            border-radius: var(--radius);
            border-left: 5px solid var(--secondary);
            margin-bottom: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background-color: #fff9db;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
            color: #b35c00;
        }
        .tip-box {
            background: linear-gradient(135deg, #e6f7ff, #f0f9ff);
            border-left: 6px solid #1890ff;
            padding: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 25px 0;
        }
        .tip-box strong {
            color: #1890ff;
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        figcaption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary);
            border-bottom-style: solid;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            text-align: center;
            box-shadow: 0 5px 15px var(--shadow);
            border-top: 5px solid var(--primary);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--dark);
            font-weight: 600;
        }
        .interactive-section {
            background: linear-gradient(135deg, var(--light), #fff);
            border-radius: var(--radius);
            padding: 30px;
            margin: 50px 0;
            border: 2px solid #e6e6ff;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 40px;
        }
        .section-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .section-title i {
            font-size: 1.5rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--secondary);
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus {
            border-color: var(--primary);
        }
        .search-btn {
            background: linear-gradient(to right, var(--secondary), var(--primary));
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px var(--shadow);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary), #ff3385);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 102, 163, 0.3);
        }
        .star-rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
            margin: 0;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: var(--accent);
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #888;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #ddd;
        }
        footer {
            background-color: var(--dark);
            color: #ddd;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .header-container { padding: 0 15px; }
            nav.desktop-nav { display: none; }
            .hamburger { display: block; }
            .my-logo { font-size: 1.8rem; }
            .my-logo i { font-size: 2rem; }
            article { padding: 25px; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: var(--radius); width: 100%; }
            .search-btn { margin-top: 10px; padding: 15px; }
            .stats-grid { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; text-align: center; }
            friend-link a { justify-content: center; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .lead { font-size: 1.1rem; }
            .stat-number { font-size: 2.5rem; }
            .interactive-section { padding: 20px; }
        }