:root {
            --primary-color: #2e7d32;
            --secondary-color: #ff9800;
            --accent-color: #d32f2f;
            --text-dark: #2c3e50;
            --text-light: #546e7a;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-max: 1200px;
        }
        * {
            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(--bg-light);
            overflow-x: hidden;
        }
        .header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            font-family: 'Georgia', serif;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            transform: scale(1.02);
            transition: var(--transition);
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 10px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--bg-white);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
            padding: 20px;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile .nav-link {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-size: 1.1rem;
        }
        .breadcrumb {
            background-color: #f1f8e9;
            padding: 12px 0;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #bdbdbd;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-container {
            background-color: var(--bg-white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 25px;
            line-height: 1.2;
            font-weight: 800;
            border-left: 6px solid var(--secondary-color);
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--text-dark);
            margin: 45px 0 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid #e0e0e0;
            font-weight: 700;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 35px 0 15px;
            font-weight: 600;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-color);
            margin: 25px 0 12px;
            font-weight: 600;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            color: var(--text-light);
            text-align: justify;
            line-height: 1.8;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f1f8e9;
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 35px;
            border-left: 5px solid var(--secondary-color);
        }
        .highlight {
            background-color: #fff8e1;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #757575;
            margin-top: -20px;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed var(--primary-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--accent-color);
            border-bottom: 1px solid var(--accent-color);
            background-color: #ffebee;
            padding: 0 2px;
            border-radius: 2px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--bg-white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 25px;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
            font-weight: 700;
        }
        .search-form {
            display: flex;
            margin-bottom: 20px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #e0e0e0;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #1b5e20;
        }
        .rating-container {
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: #e0e0e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
            transform: scale(1.1);
        }
        .rating-form input,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 2px solid #e0e0e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-button:hover {
            background-color: #1b5e20;
            transform: translateY(-2px);
        }
        .comments-container {
            margin-top: 50px;
        }
        .comment {
            background-color: #f5f5f5;
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 25px;
            border-left: 4px solid var(--secondary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.95rem;
            color: #757575;
        }
        .comment-author {
            font-weight: 700;
            color: var(--text-dark);
        }
        .update-time {
            background-color: #e3f2fd;
            padding: 15px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            text-align: center;
            font-weight: 600;
            color: #1565c0;
            border: 1px solid #bbdefb;
        }
        .footer {
            background-color: #263238;
            color: #eceff1;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .footer-section h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 25px;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #b0bec5;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #37474f;
            padding: 15px;
            border-radius: var(--border-radius);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: #455a64;
            transform: translateX(5px);
        }
        friend-link a {
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #37474f;
            color: #b0bec5;
            font-size: 0.95rem;
        }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mb-30 { margin-bottom: 30px; }
        .mt-40 { margin-top: 40px; }
        .p-20 { padding: 20px; }
        .d-flex { display: flex; }
        .flex-column { flex-direction: column; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-15 { gap: 15px; }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        @media (max-width: 768px) {
            .article-container {
                padding: 25px;
            }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            h4 { font-size: 1.2rem; }
            p, .lead {
                font-size: 1rem;
                text-align: left;
            }
            .lead {
                padding: 20px;
            }
        }