* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #2c5530;
            --primary-medium: #4a7c59;
            --primary-light: #8fbc8f;
            --accent-warm: #d4a574;
            --accent-cool: #7b9ea8;
            --text-dark: #1a1a1a;
            --text-light: #f5f5f5;
            --bg-light: #fefcf6;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: var(--primary-medium);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-medium) 100%);
            color: var(--text-light);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-warm);
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
            font-family: Georgia, serif;
            letter-spacing: -1px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--text-light);
            transform: scale(1.02);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            text-decoration: none;
            border-bottom: 2px solid var(--accent-warm);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--primary-medium);
            border-bottom: 1px solid #eee;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--primary-medium);
        }
        .breadcrumb span {
            color: #777;
        }
        .search-container {
            margin: 2rem 0;
            padding: 1.5rem;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--primary-light);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: var(--primary-medium);
        }
        .search-button {
            background-color: var(--primary-medium);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--primary-dark);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid var(--accent-warm);
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-dark);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed var(--accent-cool);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-medium);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-cool);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            color: var(--primary-dark);
            font-weight: 500;
            background: #f8f9fa;
            padding: 1.2rem;
            border-left: 4px solid var(--accent-warm);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f4e9, #f1ecdd);
            border-left: 5px solid var(--accent-warm);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .figure-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .figure-container img {
            border-radius: var(--border-radius);
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            margin: 0 auto 1rem;
            border: 1px solid #ddd;
        }
        .figcaption {
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
            max-width: 700px;
            margin: 0 auto;
        }
        ul, ol {
            margin-left: 1.8rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        em {
            color: var(--primary-medium);
        }
        blockquote {
            font-style: italic;
            color: #555;
            border-left: 4px solid var(--primary-light);
            padding-left: 1.5rem;
            margin: 2rem 1rem;
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
        }
        .sidebar-section {
            margin-bottom: 2.5rem;
        }
        .sidebar-section h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            border-bottom: 2px solid var(--accent-warm);
            padding-bottom: 0.7rem;
            margin-bottom: 1.2rem;
        }
        .link-list {
            list-style: none;
            margin-left: 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .link-list a {
            display: flex;
            align-items: center;
            color: var(--text-dark);
        }
        .link-list a:hover {
            color: var(--primary-medium);
        }
        .link-list i {
            margin-right: 0.7rem;
            color: var(--primary-light);
        }
        .user-interaction {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .interaction-title {
            color: var(--primary-dark);
            margin-bottom: 2rem;
            font-size: 1.8rem;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary-medium);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.2);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .submit-button {
            background-color: var(--primary-medium);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-warm);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--accent-warm);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #ddd;
        }
        .footer-links a:hover {
            color: var(--accent-warm);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        friend-link a {
            color: var(--accent-warm);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            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;
            }
            .nav-links {
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 1rem;
            }
            nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--primary-dark);
                padding: 1rem;
                border-radius: var(--border-radius);
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article, .user-interaction, aside {
                padding: 1.8rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            h1 {
                font-size: 1.9rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
            }
        }