:root {
            --primary-dark: #1a3c2e;
            --primary-medium: #2d5a45;
            --primary-light: #4a7c5f;
            --accent-warm: #d4a055;
            --accent-cool: #8ab4c6;
            --text-dark: #222;
            --text-medium: #444;
            --text-light: #666;
            --bg-light: #f8f9f7;
            --bg-offwhite: #f0f2ef;
            --border-color: #dde5d9;
            --shadow-light: 0 4px 12px rgba(26, 60, 46, 0.08);
            --shadow-medium: 0 6px 20px rgba(26, 60, 46, 0.12);
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Georgia', 'Times New Roman', serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-medium);
            line-height: 1.7;
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow-light);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .my-logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-warm);
        }
        .my-logo:hover {
            color: var(--primary-medium);
        }
        .search-form {
            display: flex;
            width: 300px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 10px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px 0 0 4px;
            font-family: var(--font-body);
        }
        .search-form button {
            background-color: var(--primary-medium);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            justify-content: center;
            gap: 30px;
            padding: 15px 0;
        }
        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-family: var(--font-heading);
            transition: color 0.3s;
            position: relative;
        }
        nav a:hover {
            color: var(--primary-medium);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-warm);
            transition: width 0.3s;
        }
        nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--text-light);
            background-color: var(--bg-offwhite);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--primary-medium);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow-light);
        }
        h1 {
            font-family: var(--font-heading);
            color: var(--primary-dark);
            font-size: 2.5rem;
            margin-bottom: 20px;
            line-height: 1.3;
            border-bottom: 3px solid var(--accent-warm);
            padding-bottom: 15px;
        }
        h2 {
            font-family: var(--font-heading);
            color: var(--primary-medium);
            font-size: 1.8rem;
            margin: 35px 0 15px;
            padding-top: 10px;
        }
        h3 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            font-size: 1.4rem;
            margin: 25px 0 10px;
        }
        h4 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            font-size: 1.1rem;
            margin: 20px 0 8px;
            font-weight: 600;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .intro {
            font-size: 1.1rem;
            color: var(--text-dark);
            background-color: var(--bg-offwhite);
            padding: 20px;
            border-left: 4px solid var(--accent-cool);
            margin-bottom: 30px;
            border-radius: 0 4px 4px 0;
        }
        .highlight {
            background-color: rgba(212, 160, 85, 0.1);
            padding: 25px;
            border-radius: 6px;
            margin: 25px 0;
            border-left: 4px solid var(--accent-warm);
        }
        .highlight strong {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 25px auto;
            border-radius: 6px;
            box-shadow: var(--shadow-medium);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -15px;
            margin-bottom: 25px;
            font-size: 0.9rem;
        }
        a.content-link {
            color: var(--primary-medium);
            text-decoration: none;
            border-bottom: 1px dotted var(--primary-light);
            transition: all 0.3s;
        }
        a.content-link:hover {
            color: var(--primary-dark);
            border-bottom-style: solid;
            background-color: rgba(74, 124, 95, 0.05);
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        blockquote {
            font-style: italic;
            color: var(--text-light);
            border-left: 4px solid var(--accent-cool);
            padding-left: 20px;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: var(--bg-offwhite);
            padding: 20px;
            border-radius: 6px;
            text-align: center;
            border-top: 4px solid var(--primary-medium);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            display: block;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 5px;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: var(--shadow-light);
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 15px;
            color: var(--primary-medium);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }
        .rating-widget form, .comment-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ddd;
            margin-bottom: 10px;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent-warm);
        }
        .rating-widget input, .comment-widget input,
        .rating-widget textarea, .comment-widget textarea {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: var(--font-body);
            font-size: 1rem;
        }
        .rating-widget button, .comment-widget button {
            background-color: var(--primary-medium);
            color: white;
            border: none;
            padding: 12px;
            border-radius: 4px;
            cursor: pointer;
            font-family: var(--font-heading);
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .rating-widget button:hover, .comment-widget button:hover {
            background-color: var(--primary-dark);
        }
        .update-info {
            font-size: 0.9rem;
            color: var(--text-light);
            background-color: var(--bg-offwhite);
            padding: 15px;
            border-radius: 4px;
            text-align: center;
        }
        .update-info i {
            color: var(--primary-medium);
            margin-right: 8px;
        }
        footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-light);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-warm);
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        friend-link a {
            color: var(--accent-cool);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin-top: 15px;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                flex-direction: column;
                gap: 0;
                display: none;
            }
            nav ul.active {
                display: flex;
            }
            nav li {
                width: 100%;
                border-bottom: 1px solid var(--border-color);
            }
            nav a {
                display: block;
                padding: 15px 20px;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 25px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }