:root {
            --primary-green: #58cc02;
            --dark-green: #1cb0f6;
            --error-red: #ff4b4b;
            --warning-orange: #ff9600;
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f9f9f9;
            --bg-dark: #222222;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            min-height: 80px;
        }
        .my-logo {
            font-family: 'Comic Sans MS', 'Chalkboard SE', cursive;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--dark-green);
            transform: scale(1.03);
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary-green);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: var(--bg-light);
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.95rem;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .breadcrumb-item a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-item a:hover {
            color: var(--primary-green);
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '>';
            color: var(--text-light);
        }
        .main-container {
            max-width: 1280px;
            margin: 40px auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
        }
        .article-content {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            margin-bottom: 30px;
            border-bottom: 2px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #fff5e6;
            padding: 8px 15px;
            border-radius: 20px;
            color: var(--warning-orange);
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 25px;
            color: var(--bg-dark);
            position: relative;
            padding-bottom: 15px;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 5px;
            background: linear-gradient(to right, var(--primary-green), var(--dark-green));
            border-radius: 3px;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--text-dark);
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--text-dark);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 12px;
            color: var(--text-light);
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f0f9ff;
            padding: 25px;
            border-left: 5px solid var(--dark-green);
            border-radius: 0 8px 8px 0;
            margin-bottom: 35px;
        }
        .highlight-box {
            background-color: #fff9e6;
            border: 1px solid #ffeb99;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            position: relative;
        }
        .highlight-box::before {
            content: '⚠️';
            position: absolute;
            top: -15px;
            left: 20px;
            background: white;
            padding: 5px 10px;
            border-radius: 50%;
            font-size: 1.2rem;
        }
        blockquote {
            border-left: 4px solid var(--primary-green);
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: var(--text-light);
            background-color: var(--bg-light);
            padding: 25px;
            border-radius: 0 10px 10px 0;
        }
        img.featured-image {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 30px 0;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        img.featured-image:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: -20px;
            margin-bottom: 30px;
            font-style: italic;
        }
        .content-link {
            color: var(--dark-green);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--dark-green);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary-green);
            border-bottom-style: solid;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 35px 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-green);
            line-height: 1;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-top: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-green);
            color: var(--text-dark);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .search-button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--dark-green);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ffd700;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .rating-form {
            margin-top: 20px;
        }
        .rating-submit {
            background-color: var(--warning-orange);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-submit:hover {
            background-color: #e68900;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 150px;
            margin-bottom: 15px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .comment-submit {
            background-color: var(--dark-green);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .comment-submit:hover {
            background-color: #1a9ad6;
        }
        .site-footer {
            background-color: var(--bg-dark);
            color: white;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-logo {
            font-family: 'Comic Sans MS', 'Chalkboard SE', cursive;
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            margin-bottom: 20px;
            display: block;
        }
        .footer-links h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 10px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cccccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #2a2a2a;
            padding: 15px;
            border-radius: 8px;
            margin: 10px 0;
            border-left: 4px solid var(--primary-green);
        }
        friend-link a {
            color: #cccccc;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: var(--primary-green);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 40px;
            border-top: 1px solid #444444;
            color: #aaaaaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .main-nav ul {
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .header-container {
                min-height: 70px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-content, .sidebar-widget {
                padding: 20px;
            }
            .header-container, .breadcrumb-container, .main-container {
                padding: 0 15px;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .sidebar-widget {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .site-header, .sidebar, .site-footer, .breadcrumb, .search-form, .rating-widget, .comment-form {
                display: none;
            }
            .main-container {
                grid-template-columns: 1fr;
                max-width: 100%;
                margin: 0;
                padding: 0;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }