:root {
            --primary-green: #6aaa64;
            --primary-yellow: #c9b458;
            --dark-gray: #787c7e;
            --light-gray: #d3d6da;
            --bg-color: #ffffff;
            --text-color: #121213;
            --header-bg: #f8f9fa;
            --spacing-unit: 1rem;
            --border-radius: 5px;
            --transition-speed: 0.3s;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--bg-color);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        a:hover {
            color: #5a9954;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-unit);
        }
        .site-header {
            background-color: var(--header-bg);
            border-bottom: 1px solid var(--light-gray);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: Georgia, serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-green);
            letter-spacing: -1px;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo span {
            color: var(--primary-yellow);
        }
        .breadcrumb {
            padding: 0.75rem 0;
            font-size: 0.9rem;
            color: var(--dark-gray);
            background-color: #f1f3f4;
            border-bottom: 1px solid var(--light-gray);
        }
        .breadcrumb a {
            color: var(--dark-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        .main-nav {
            display: flex;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            font-weight: 600;
            color: var(--text-color);
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--primary-green);
            text-decoration: none;
        }
        .nav-list a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-green);
            transition: width var(--transition-speed);
        }
        .nav-list a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: none;
            border: none;
            padding: 0.5rem;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-color);
            border-radius: 2px;
            transition: var(--transition-speed);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        .interactive-module {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        .module-title {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--text-color);
            border-left: 4px solid var(--primary-green);
            padding-left: 1rem;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--light-gray);
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: border-color var(--transition-speed);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(106, 170, 100, 0.2);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-green);
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color var(--transition-speed), transform 0.2s;
        }
        .btn:hover {
            background-color: #5a9954;
            transform: translateY(-2px);
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--light-gray);
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star:hover,
        .star.active {
            color: var(--primary-yellow);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            font-size: 1.125rem;
        }
        .sidebar {
            border-left: 3px solid var(--primary-yellow);
            padding-left: 1.5rem;
        }
        .sidebar h3 {
            margin-bottom: 1rem;
            color: var(--dark-gray);
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 2rem;
        }
        .sidebar li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px dashed var(--light-gray);
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin: 2rem 0 1.5rem 0;
            color: var(--text-color);
        }
        h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-gray);
            color: var(--primary-green);
        }
        h3 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem 0;
            color: var(--text-color);
        }
        h4 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem 0;
            color: var(--dark-gray);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark-gray);
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #f9f9f9;
            border-radius: var(--border-radius);
        }
        .highlight {
            background-color: rgba(201, 180, 88, 0.15);
            padding: 1.5rem;
            border-left: 4px solid var(--primary-yellow);
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat {
            text-align: center;
            padding: 1.5rem;
            border: 1px solid var(--light-gray);
            border-radius: var(--border-radius);
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        }
        .stat:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-green);
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--dark-gray);
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-green);
        }
        .site-footer {
            background-color: var(--header-bg);
            border-top: 1px solid var(--light-gray);
            padding: 3rem 0 1.5rem 0;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
        }
        friend-link {
            display: block;
            margin-bottom: 2rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--light-gray);
        }
        .friend-links a {
            padding: 0.5rem 1rem;
            background-color: white;
            border: 1px solid var(--light-gray);
            border-radius: 30px;
            font-size: 0.9rem;
            transition: all var(--transition-speed);
        }
        .friend-links a:hover {
            background-color: var(--primary-green);
            color: white;
            border-color: var(--primary-green);
            text-decoration: none;
            transform: scale(1.05);
        }
        .copyright {
            text-align: center;
            color: var(--dark-gray);
            font-size: 0.9rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--light-gray);
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .my-logo { font-size: 2rem; }
            .nav-list {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--header-bg);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                gap: 1.5rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.4s, opacity 0.3s;
                z-index: 999;
            }
            .nav-list.active {
                transform: translateY(0);
                opacity: 1;
            }
            .hamburger {
                display: flex;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
            .interactive-module {
                padding: 1.5rem;
            }
        }