:root {
            --primary-green: #5b8c5a;
            --secondary-green: #74a57f;
            --earth-brown: #8b4513;
            --sun-yellow: #f4d35e;
            --sky-blue: #87ceeb;
            --soil-dark: #3e2a1f;
            --text-light: #f5f5f5;
            --text-dark: #333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            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-dark);
            background: linear-gradient(180deg, #e6f2e6 0%, #ffffff 100%);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--earth-brown);
            text-decoration: underline;
        }
        .site-header {
            background-color: var(--soil-dark);
            color: var(--text-light);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Courier New', monospace;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--sun-yellow);
            text-shadow: 2px 2px 0 var(--earth-brown);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--secondary-green);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: var(--text-light);
            font-weight: 500;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--sun-yellow);
            border-bottom-color: var(--sun-yellow);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--soil-dark);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: var(--text-light);
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: #f8f9fa;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary-green);
        }
        .breadcrumb span {
            color: #6c757d;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .content-area {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            color: var(--soil-dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--sun-yellow);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-green);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            color: var(--earth-brown);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--secondary-green);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--soil-dark);
            font-weight: 500;
            background: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid var(--primary-green);
            border-radius: 4px;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid var(--sun-yellow);
            margin: 2rem 0;
        }
        .tip {
            background-color: #e7f5e9;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }
        .tip i {
            color: var(--primary-green);
            font-size: 1.5rem;
            margin-top: 0.2rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .search-form, .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--soil-dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(91, 140, 90, 0.2);
        }
        button, .btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        button:hover, .btn:hover {
            background-color: var(--earth-brown);
            text-decoration: none;
            color: white;
            transform: translateY(-2px);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--sun-yellow);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .link-list li:before {
            content: '🌱';
            position: absolute;
            left: 0;
        }
        .update-time {
            font-size: 0.9rem;
            color: #666;
            background: #f8f9fa;
            padding: 1rem;
            border-radius: 6px;
            text-align: center;
            margin-top: 2rem;
        }
        .site-footer {
            background-color: var(--soil-dark);
            color: var(--text-light);
            padding: 3rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 {
            color: var(--sun-yellow);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 6px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
            grid-column: 1 / -1;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 1rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .main-container {
                padding: 0 1rem;
            }
            .content-area {
                padding: 2rem 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }