:root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --accent-yellow: #ffc800;
            --dark-bg: #2b2d42;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #fff;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 16px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary-green);
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-green);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--text-light);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-family: 'Comic Sans MS', cursive, sans-serif;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--dark-bg);
            padding: 8px 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary-green);
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-green);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .burger {
            display: none;
            cursor: pointer;
            font-size: 1.8rem;
            color: var(--dark-bg);
        }
        .search-box {
            display: flex;
            max-width: 300px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 10px 15px;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 10px 20px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--accent-yellow);
            color: var(--text-dark);
        }
        .breadcrumb {
            background-color: #f1f1f1;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #666;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        main {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid #eee;
            padding-bottom: 25px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta-info {
            color: #777;
            font-size: 0.95rem;
            display: flex;
            gap: 20px;
            align-items: center;
            margin-bottom: 10px;
        }
        .update-time {
            background-color: var(--accent-yellow);
            color: var(--text-dark);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: bold;
        }
        .intro {
            font-size: 1.3rem;
            color: #555;
            margin-bottom: 30px;
            padding: 20px;
            background-color: #f9f9f9;
            border-left: 5px solid var(--primary-green);
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-green);
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed #ccc;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-green);
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-bg);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #e7f7e0;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 25px 0;
            border-left: 5px solid var(--primary-green);
        }
        .highlight strong {
            color: var(--primary-green);
        }
        .feature-img {
            margin: 30px auto;
            max-width: 800px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .tip {
            display: flex;
            align-items: flex-start;
            background-color: #e3f2fd;
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 25px 0;
            gap: 15px;
        }
        .tip i {
            color: var(--secondary-green);
            font-size: 1.5rem;
            margin-top: 5px;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .inline-link {
            font-weight: bold;
            border-bottom: 2px dotted var(--secondary-green);
        }
        aside {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--dark-bg);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-green);
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            margin-bottom: 10px;
            background-color: #f5f5f5;
            border-radius: 8px;
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: var(--primary-green);
            color: white;
            transform: translateX(5px);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars .active,
        .stars i:hover {
            color: var(--accent-yellow);
        }
        .interaction-section {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: 40px;
        }
        .interaction-section h2 {
            text-align: center;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary-green);
            outline: none;
        }
        .submit-btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            display: block;
            margin: 30px auto 0;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: var(--accent-yellow);
            color: var(--text-dark);
            transform: scale(1.05);
        }
        .comment {
            border: 1px solid #eee;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: #777;
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .footer-links a {
            display: block;
            color: #ccc;
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            margin: 10px 0;
            border-radius: 8px;
        }
        friend-link a {
            color: var(--accent-yellow);
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: var(--shadow);
                padding: 20px;
                gap: 0;
            }
            .main-nav ul.show {
                display: flex;
            }
            .main-nav li {
                margin: 10px 0;
            }
            .burger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                margin-top: 15px;
                width: 100%;
                max-width: 100%;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main, .interaction-section {
                padding: 25px;
            }
        }
        @media print {
            .site-header, aside, .interaction-section, footer, .burger, .search-box {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            main {
                box-shadow: none;
                padding: 0;
            }
        }