:root {
            --primary-green: #8BC34A;
            --secondary-green: #689F38;
            --accent-orange: #FF9800;
            --dark-bg: #2C3E50;
            --light-bg: #F5F7FA;
            --text-dark: #333333;
            --text-light: #FFFFFF;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            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(--light-bg);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary-green);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-orange);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--text-light);
            transform: scale(1.02);
        }
        .my-logo i {
            color: var(--accent-orange);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-orange);
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) {
            .hamburger-btn {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            right: -100%;
            width: 280px;
            height: calc(100vh - 70px);
            background-color: var(--dark-bg);
            padding: 2rem;
            transition: var(--transition);
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile a {
            display: block;
            color: var(--text-light);
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .nav-mobile a:hover {
            color: var(--accent-orange);
            padding-left: 10px;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f0f4f8;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #888;
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
            padding: 2.5rem 0;
            margin-bottom: 3rem;
            border-radius: var(--radius);
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 600px;
            margin: 1.5rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
        }
        .search-btn {
            background-color: var(--accent-orange);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #e68900;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            color: var(--secondary-green);
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: 0.8rem;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.5rem;
            border-radius: 8px;
        }
        .sidebar-links a:hover {
            background-color: #f0f7e9;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-green);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark-bg);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
            color: #666;
            font-size: 0.95rem;
        }
        .publish-date {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .word-count {
            background-color: #f0f7e9;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: 600;
            color: var(--secondary-green);
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 1rem;
            background-color: #f9f9f9;
            color: #666;
        }
        .content-block {
            margin-bottom: 2.5rem;
        }
        .content-block p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight-box {
            background-color: #f9fdf3;
            border-left: 5px solid var(--primary-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .internal-link {
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-green);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 4px solid var(--accent-orange);
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-green);
            display: block;
            line-height: 1;
        }
        .quote {
            font-size: 1.3rem;
            color: var(--dark-bg);
            font-style: italic;
            text-align: center;
            padding: 2.5rem;
            margin: 2.5rem auto;
            max-width: 800px;
            background: linear-gradient(135deg, #f8ffef, #ffffff);
            border-radius: var(--radius);
            position: relative;
            box-shadow: var(--shadow);
        }
        .quote::before, .quote::after {
            content: '"';
            font-size: 4rem;
            color: var(--primary-green);
            opacity: 0.3;
            position: absolute;
        }
        .quote::before {
            top: 10px;
            left: 20px;
        }
        .quote::after {
            bottom: 10px;
            right: 20px;
        }
        .user-interaction {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .interaction-title {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 2rem;
            color: var(--dark-bg);
        }
        .interaction-title i {
            color: var(--accent-orange);
            font-size: 1.8rem;
        }
        .rating-section {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 2rem;
            margin-bottom: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #eee;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star.active, .star:hover {
            color: gold;
        }
        .score-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 500px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #555;
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(139, 195, 74, 0.2);
        }
        .submit-btn {
            background-color: var(--secondary-green);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: var(--primary-green);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(139, 195, 74, 0.3);
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--primary-green);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .comment-author {
            font-weight: 700;
            color: var(--dark-bg);
        }
        .comment-date {
            color: #888;
            font-size: 0.9rem;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-green);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--text-light);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: var(--accent-orange);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1.5rem;
            background-color: rgba(255,255,255,0.05);
            border-radius: var(--radius);
        }
        friend-link a {
            color: var(--primary-green);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .last-updated {
            background-color: #fff8e1;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: #5d4037;
        }
        .last-updated i {
            color: var(--accent-orange);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--accent-orange);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: var(--shadow);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 99;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: #e68900;
            transform: translateY(-5px);
        }