:root {
            --primary-color: #2a4d2a; 
            --secondary-color: #8b4513; 
            --accent-color: #c19a6b; 
            --light-color: #f5f1e6; 
            --dark-color: #1a1a1a;
            --text-color: #333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-color);
            background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%232a4d2a' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-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 {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .my-logo span {
            color: var(--secondary-color);
        }
        .breadcrumb {
            background-color: #f0ede5;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--primary-color);
            cursor: pointer;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 35px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 20px;
            margin-bottom: 35px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            line-height: 1.2;
            margin-bottom: 15px;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--accent-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--secondary-color);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            font-weight: 500;
            background-color: #f9f7f0;
            padding: 20px;
            border-left: 5px solid var(--accent-color);
            margin-bottom: 30px;
        }
        .highlight-box {
            background-color: #f0f7f0;
            border: 1px solid #cde0cd;
            border-radius: var(--border-radius);
            padding: 20px;
            margin: 25px 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            display: block;
            margin: 25px auto;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -15px;
            margin-bottom: 25px;
        }
        blockquote {
            font-style: italic;
            border-left: 4px solid var(--accent-color);
            padding-left: 20px;
            margin: 25px 0;
            color: #555;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 1.5em;
        }
        li {
            margin-bottom: 0.5em;
        }
        .interactive-section {
            background-color: #f8f5ef;
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 35px 0;
            border: 1px solid #e3dcc9;
        }
        .interactive-section h3 {
            margin-top: 0;
            color: var(--primary-color);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 5px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(42, 77, 42, 0.1);
        }
        button, .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            align-self: flex-start;
        }
        button:hover, .btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffc107;
        }
        aside {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent-color);
        }
        .sidebar-list {
            list-style: none;
            margin-left: 0;
        }
        .sidebar-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            background-color: #f0f0f0;
            padding: 8px 15px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .tag:hover {
            background-color: var(--accent-color);
            color: white;
        }
        footer {
            background-color: var(--dark-color);
            color: #ccc;
            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-logo {
            font-family: 'Georgia', serif;
            font-size: 2rem;
            color: var(--light-color);
            margin-bottom: 15px;
        }
        friend-link {
            display: block;
            margin-top: 15px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--accent-color);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #999;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 500px;
                margin-top: 20px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid #eee;
            }
            .main-nav a {
                display: block;
                padding: 15px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: 25px 20px;
            }
            aside {
                position: static;
            }
        }
        @media print {
            .site-header, .interactive-section, aside, footer, .breadcrumb {
                display: none;
            }
            body {
                background-color: white;
                font-size: 12pt;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
        }