:root {
            --primary-green: #1a472a;
            --secondary-green: #2a623d;
            --accent-gold: #ffd700;
            --accent-red: #c62828;
            --dark-bg: #0c120c;
            --light-bg: #f4f4f4;
            --text-dark: #222;
            --text-light: #e9e9e9;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 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(--light-bg);
            background-image: linear-gradient(to bottom, rgba(244, 244, 244, 0.9), rgba(244, 244, 244, 0.9)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0,0 L100,100 M100,0 L0,100" stroke="%231a472a" stroke-opacity="0.03" stroke-width="1"/></svg>');
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: var(--primary-green);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            text-align: center;
            margin-top: 1.5rem;
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 1rem;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            border-left: 5px solid var(--accent-red);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: var(--secondary-green);
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: var(--secondary-green);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        a {
            color: var(--secondary-green);
            text-decoration: none;
            transition: var(--transition);
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: var(--accent-red);
            border-bottom-color: var(--accent-red);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            color: #fff;
            border-bottom: none;
        }
        .my-logo i {
            color: var(--accent-red);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--secondary-green);
        }
        .breadcrumb a {
            color: var(--secondary-green);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #ddd;
            font-style: italic;
            color: #666;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .author img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }
        .last-updated {
            background-color: #f8f9fa;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            font-size: 1.5rem;
            border-bottom: 2px solid var(--accent-gold);
            padding-bottom: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.75rem;
            border: 2px solid var(--secondary-green);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--secondary-green);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--primary-green);
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-green);
        }
        .form-control {
            padding: 0.75rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--secondary-green);
            box-shadow: 0 0 0 3px rgba(42, 98, 61, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: var(--accent-red);
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            flex-direction: row-reverse;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--accent-gold);
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .highlight-box {
            background-color: #f8f9fa;
            border-left: 5px solid var(--accent-gold);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .definition {
            background-color: #e8f4fd;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border: 1px solid #b6d4fe;
        }
        .tip {
            background-color: #d1ecf1;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border: 1px solid #bee5eb;
        }
        .tip:before {
            content: "💡 Pro Tip: ";
            font-weight: bold;
            color: var(--primary-green);
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            list-style: none;
        }
        .link-list a {
            display: block;
            padding: 0.75rem 1rem;
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            border: 1px solid #dee2e6;
            transition: var(--transition);
        }
        .link-list a:hover {
            background-color: var(--secondary-green);
            color: white;
            border-color: var(--secondary-green);
            transform: translateY(-3px);
        }
        .site-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 h3 {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--secondary-green);
            padding-bottom: 0.5rem;
        }
        .friend-link {
            display: inline-block;
            background-color: #2a2a2a;
            color: var(--text-light);
            padding: 0.5rem 1rem;
            margin: 0.25rem;
            border-radius: var(--border-radius);
            border: 1px solid #444;
            transition: var(--transition);
        }
        .friend-link:hover {
            background-color: var(--secondary-green);
            color: white;
            border-color: var(--secondary-green);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #333;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .article-content {
                padding: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-form, .comment-form, .rating-form, .hamburger {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
            body {
                background: white;
                font-size: 12pt;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
        }