:root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --accent-yellow: #ffc800;
            --dark-text: #2e2e2e;
            --light-text: #5a5a5a;
            --background-light: #f9f9f9;
            --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: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-yellow);
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav.desktop-nav a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
            transition: var(--transition);
        }
        nav.desktop-nav a:hover {
            color: var(--primary-green);
        }
        nav.desktop-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--primary-green);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        nav.desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark-text);
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--background-light);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb a {
            text-decoration: none;
            color: var(--light-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--light-text);
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: 12px;
            overflow: hidden;
        }
        .article-header {
            padding: 40px 0 20px;
            text-align: center;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-text);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--light-text);
            font-size: 0.95rem;
            margin-bottom: 30px;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .featured-image {
            width: 100%;
            height: 450px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 30px;
            display: block;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark-text);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-green);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-text);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--light-text);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .content-block {
            padding: 0 30px 30px;
        }
        .highlight-box {
            background-color: #f0f9ff;
            border-left: 5px solid var(--secondary-green);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .tip {
            background-color: #fff8e1;
            border-left: 5px solid var(--accent-yellow);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        a.internal-link {
            color: var(--secondary-green);
            text-decoration: none;
            font-weight: 600;
        }
        a.internal-link:hover {
            text-decoration: underline;
        }
        .interactive-section {
            background: var(--background-light);
            padding: 30px;
            border-radius: 12px;
            margin: 40px 0;
        }
        .section-title {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--dark-text);
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .search-box input, .comment-form textarea, .comment-form input, .rating-form select {
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn:hover {
            background-color: #4ab001;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .stars i {
            color: #ddd;
            cursor: pointer;
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .stars i:hover, .stars i.active {
            color: var(--accent-yellow);
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .toc {
            margin-bottom: 30px;
        }
        .toc h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .toc ul {
            list-style: none;
        }
        .toc li {
            margin-bottom: 10px;
        }
        .toc a {
            text-decoration: none;
            color: var(--light-text);
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            transition: var(--transition);
        }
        .toc a:hover {
            color: var(--primary-green);
            padding-left: 10px;
        }
        .update-info {
            background-color: #f0f9ff;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
        }
        .update-info i {
            font-size: 2rem;
            color: var(--secondary-green);
            margin-bottom: 10px;
        }
        footer {
            background-color: #2e2e2e;
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 12px;
        }
        .footer-section a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background-color: #3a3a3a;
            padding: 8px 15px;
            border-radius: 5px;
            margin: 5px;
            color: #aaa;
        }
        friend-link a {
            color: #aaa;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            nav.desktop-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 20px;
            }
            nav.desktop-nav.active {
                display: block;
            }
            nav.desktop-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .content-block {
                padding: 0 15px 20px;
            }
            .featured-image {
                height: 300px;
            }
        }