* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        :root {
            --primary-green: #6aaa64;
            --secondary-yellow: #c9b458;
            --dark-gray: #3a3a3c;
            --light-gray: #d3d6da;
            --bg-color: #ffffff;
            --text-color: #121212;
            --accent-color: #4a7bff;
            --section-padding: clamp(2rem, 5vw, 4rem);
            --content-width: min(1200px, 95%);
            --border-radius: 12px;
            --shadow: 0 8px 30px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: var(--text-color);
            line-height: 1.7;
            font-size: 1.1rem;
        }
        .container {
            width: var(--content-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background-color: var(--bg-color);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .my-logo i {
            color: var(--secondary-yellow);
        }
        .my-logo span {
            background: linear-gradient(45deg, var(--primary-green), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .desktop-nav ul {
            display: flex;
            gap: 2.2rem;
            list-style: none;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            color: var(--primary-green);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark-gray);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--bg-color);
            padding: 1.5rem;
            border-top: 1px solid var(--light-gray);
            animation: slideDown 0.4s ease;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 600;
            font-size: 1.2rem;
            display: block;
            padding: 0.8rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: #f0f7ff;
            color: var(--primary-green);
        }
        .breadcrumb {
            padding: 1.2rem 0;
            font-size: 0.95rem;
            color: #666;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: var(--section-padding) 0;
            background-color: var(--bg-color);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem auto;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        h1, h2, h3, h4 {
            color: var(--dark-gray);
            line-height: 1.3;
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            color: var(--primary-green);
            border-bottom: 4px solid var(--secondary-yellow);
            padding-bottom: 1.5rem;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--dark-gray);
            padding-left: 1rem;
            border-left: 6px solid var(--accent-color);
        }
        h3 {
            font-size: 1.8rem;
            color: #555;
        }
        h4 {
            font-size: 1.5rem;
            color: #777;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.3rem;
            font-weight: 500;
            color: #444;
            background-color: #f9fff9;
            padding: 2rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary-green);
            margin: 2.5rem 0;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 2px dashed var(--secondary-yellow);
            margin: 2rem 0;
        }
        .highlight strong {
            color: #b8860b;
        }
        .content-link {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--accent-color);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary-green);
            border-bottom-style: solid;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 3rem auto;
            display: block;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 4rem 0;
        }
        .interactive-box {
            background-color: #f8fbff;
            border: 2px solid #e1ecff;
            border-radius: var(--border-radius);
            padding: 2rem;
            transition: var(--transition);
        }
        .interactive-box:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(74, 123, 255, 0.1);
        }
        .interactive-box h3 {
            color: var(--accent-color);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .interactive-box form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .interactive-box input,
        .interactive-box textarea,
        .interactive-box select {
            padding: 1rem;
            border: 1px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .interactive-box input:focus,
        .interactive-box textarea:focus,
        .interactive-box select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(74, 123, 255, 0.2);
        }
        .interactive-box button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 1.1rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.8rem;
        }
        .interactive-box button:hover {
            background-color: #5a9a54;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.2rem;
            color: var(--light-gray);
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: var(--secondary-yellow);
        }
        .related-links {
            background-color: #f9f9f9;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .related-links h3 {
            text-align: center;
            margin-bottom: 1.8rem;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
        }
        .links-grid a {
            background-color: white;
            padding: 1.2rem;
            border-radius: 8px;
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: var(--transition);
            border: 1px solid #eee;
        }
        .links-grid a:hover {
            background-color: var(--primary-green);
            color: white;
            transform: translateX(5px);
        }
        .links-grid i {
            color: var(--accent-color);
        }
        .links-grid a:hover i {
            color: white;
        }
        footer {
            background-color: var(--dark-gray);
            color: #ddd;
            padding: 3.5rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #444;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
        }
        friend-link a {
            color: var(--light-gray);
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            color: var(--primary-green);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #555;
            font-size: 0.95rem;
            color: #aaa;
        }
        .last-updated {
            background-color: #fff3cd;
            color: #856404;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        @media (max-width: 1024px) {
            article {
                padding: 0 1.5rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .header-top {
                padding: 1rem 0;
            }
            .my-logo {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            article {
                padding: 0 1rem;
            }
            .intro {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            :root {
                --section-padding: 1.5rem;
            }
            .my-logo span {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            .links-grid {
                grid-template-columns: 1fr;
            }
        }