:root {
            --primary-green: #4CAF50;
            --secondary-yellow: #FFEB3B;
            --accent-orange: #FF9800;
            --dark-bg: #1a1a1a;
            --light-bg: #f5f5f5;
            --text-dark: #333;
            --text-light: #fff;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-green), #2E7D32);
            color: var(--text-light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary-yellow);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: var(--secondary-yellow);
            color: var(--text-dark);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--secondary-yellow);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark-bg);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid #444;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: var(--primary-green);
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #777;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary-green);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: #2E7D32;
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--secondary-yellow);
        }
        h3 {
            color: var(--accent-orange);
            font-size: 1.6rem;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            font-weight: 500;
            background: linear-gradient(to right, #e8f5e9, #f1f8e9);
            padding: 1.5rem;
            border-left: 5px solid var(--primary-green);
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: translateY(-5px);
        }
        .tip-box {
            background-color: #E3F2FD;
            border-left: 5px solid #2196F3;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }
        .tip-box i {
            color: #2196F3;
            margin-right: 10px;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-item {
            background: linear-gradient(145deg, #f0f0f0, #ffffff);
            padding: 1rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid #ddd;
        }
        .link-item:hover {
            transform: translateY(-8px);
            border-color: var(--primary-green);
        }
        .link-item a {
            color: var(--primary-green);
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
        }
        .link-item a:hover {
            text-decoration: underline;
        }
        .sidebar {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            color: var(--primary-green);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ccc;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid var(--primary-green);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #2E7D32;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #FFD700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span {
            transition: var(--transition);
        }
        .stars span:hover,
        .stars span:hover ~ span {
            color: #FFA500;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        .comment-form button {
            background-color: var(--accent-orange);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background-color: #E65100;
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--secondary-yellow);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .friend-link {
            background-color: #333;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            transition: var(--transition);
        }
        .friend-link:hover {
            background-color: var(--primary-green);
            color: var(--text-dark);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            color: var(--secondary-yellow);
            font-weight: 600;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content-area {
                padding: 1.5rem;
            }
            .sidebar {
                position: static;
            }
        }
