:root {
            --primary-green: #5AAB61;
            --secondary-green: #8BC34A;
            --accent-blue: #4FC3F7;
            --warm-yellow: #FFD54F;
            --warm-brown: #A1887F;
            --light-bg: #F9FBE7;
            --dark-text: #2E3A30;
            --light-text: #5A6B5F;
            --card-shadow: 0 8px 25px rgba(90, 171, 97, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: var(--light-bg);
            background-image: radial-gradient(var(--primary-green) 1px, transparent 1px);
            background-size: 30px 30px;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-blue);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 3px solid var(--primary-green);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-shadow: 2px 2px 0 var(--warm-yellow);
            letter-spacing: -0.5px;
        }
        .my-logo span {
            color: var(--accent-blue);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover {
            border-bottom-color: var(--primary-green);
            text-decoration: none;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-green);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            padding: 20px;
            border-top: 2px solid var(--secondary-green);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: var(--light-text);
            background-color: rgba(255, 255, 255, 0.8);
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb a {
            color: var(--light-text);
        }
        .breadcrumb .separator {
            margin: 0 10px;
            color: #aaa;
        }
        .search-container {
            margin: 30px auto;
            max-width: 600px;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            box-shadow: var(--card-shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            background: white;
            color: var(--dark-text);
        }
        .search-input:focus {
            outline: none;
        }
        .search-button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 35px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--secondary-green);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px auto;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
        }
        .sidebar {
            background: white;
            border-radius: 20px;
            padding: 25px;
            box-shadow: var(--card-shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-text);
            margin-bottom: 25px;
            line-height: 1.2;
            border-left: 6px solid var(--primary-green);
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-green);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px double var(--warm-yellow);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--warm-brown);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-blue);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.125rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro-emoji {
            font-size: 1.8rem;
            margin-right: 10px;
            vertical-align: middle;
        }
        .highlight-box {
            background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
            border-left: 5px solid var(--primary-green);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 15px 15px 0;
        }
        .img-container {
            margin: 35px 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .img-caption {
            font-style: italic;
            color: var(--light-text);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .link-list {
            list-style: none;
            padding: 20px;
            background: #F5F5F5;
            border-radius: 12px;
            margin: 25px 0;
        }
        .link-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #ccc;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: 5px 5px 15px #d9d9d9, -5px -5px 15px #ffffff;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-green);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--light-text);
            margin-top: 8px;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--light-text);
            text-align: right;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        .interaction-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid var(--secondary-green);
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .fas {
            transition: var(--transition);
        }
        .stars .fas:hover,
        .stars .fas.active {
            color: var(--warm-yellow);
            transform: scale(1.1);
        }
        .comment-form, .rating-form {
            background: #f9f9f9;
            padding: 25px;
            border-radius: 15px;
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-text);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(90, 171, 97, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            border: none;
            padding: 16px 35px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(90, 171, 97, 0.4);
        }
        .site-footer {
            background-color: var(--dark-text);
            color: white;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-links {
            flex: 1;
            min-width: 250px;
        }
        .footer-links h3 {
            color: var(--warm-yellow);
            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: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .header-container {
                padding: 12px 0;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 25px;
            }
            .search-input {
                padding: 15px 20px;
            }
            .search-button {
                padding: 0 25px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .submit-button {
                width: 100%;
            }
        }
        @media print {
            .site-header, .search-container, .sidebar, .interaction-section, .site-footer {
                display: none;
            }
            body {
                background: none;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }