:root {
            --primary-green: #6aaa64;
            --secondary-yellow: #c9b458;
            --dark-gray: #787c7e;
            --light-gray: #d3d6da;
            --bg-white: #ffffff;
            --text-dark: #1a1a1b;
            --text-light: #f8f9fa;
            --shadow: rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --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-dark);
            background-color: #f9f9f9;
            font-size: 18px;
        }
        a {
            color: var(--primary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-yellow);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--bg-white);
            box-shadow: 0 4px 12px 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: 2.5rem;
            font-weight: 900;
            color: var(--primary-green);
            letter-spacing: -1px;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: var(--secondary-yellow);
            margin-right: 10px;
            font-size: 2.2rem;
        }
        .my-logo:hover {
            color: var(--secondary-yellow);
        }
        .breadcrumb {
            background-color: var(--light-gray);
            padding: 12px 0;
            font-size: 0.95rem;
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--dark-gray);
        }
        .breadcrumb a {
            color: var(--dark-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-green);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--text-dark);
            padding: 8px 5px;
            border-bottom: 3px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--primary-green);
            border-bottom-color: var(--primary-green);
            text-decoration: none;
        }
        .search-form-header {
            margin-left: 30px;
            display: flex;
        }
        .search-form-header input {
            padding: 10px 15px;
            border: 2px solid var(--light-gray);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            width: 220px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form-header input:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .search-form-header button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form-header button:hover {
            background-color: var(--secondary-yellow);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-green);
            background: none;
            border: none;
        }
        main {
            padding: 40px 0;
            background-color: var(--bg-white);
            border-radius: var(--border-radius);
            box-shadow: 0 5px 15px var(--shadow);
            margin-bottom: 40px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px dashed var(--light-gray);
        }
        h1 {
            font-size: 3.2rem;
            color: var(--text-dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--dark-gray);
            font-size: 1rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .last-updated {
            background-color: #e9f7ef;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: 600;
        }
        .content-section {
            padding: 0 40px;
        }
        @media (max-width: 768px) {
            .content-section {
                padding: 0 20px;
            }
        }
        h2 {
            font-size: 2.5rem;
            margin: 60px 0 25px;
            color: var(--primary-green);
            padding-bottom: 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        h3 {
            font-size: 2rem;
            margin: 45px 0 20px;
            color: var(--secondary-yellow);
        }
        h4 {
            font-size: 1.6rem;
            margin: 35px 0 15px;
            color: var(--dark-gray);
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            font-size: 1.2rem;
        }
        .intro {
            font-size: 1.4rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #f0f9f0;
            padding: 25px;
            border-left: 5px solid var(--primary-green);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 40px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 700;
        }
        b, strong {
            color: var(--primary-green);
        }
        em {
            color: var(--secondary-yellow);
            font-style: italic;
        }
        .strategy-box {
            background: linear-gradient(135deg, #f8fff8 0%, #f0f0f0 100%);
            border: 2px solid var(--primary-green);
            border-radius: var(--border-radius);
            padding: 30px;
            margin: 40px 0;
            box-shadow: 0 8px 16px rgba(106, 170, 100, 0.1);
        }
        .strategy-box h3 {
            margin-top: 0;
        }
        .image-container {
            text-align: center;
            margin: 50px 0;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 25px var(--shadow);
            border: 1px solid var(--light-gray);
        }
        .caption {
            margin-top: 15px;
            font-style: italic;
            color: var(--dark-gray);
            font-size: 1rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .link-card {
            background-color: var(--bg-white);
            border: 1px solid var(--light-gray);
            border-radius: var(--border-radius);
            padding: 25px;
            transition: var(--transition);
            text-align: center;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px var(--shadow);
            border-color: var(--primary-green);
        }
        .link-card i {
            font-size: 2.5rem;
            color: var(--primary-green);
            margin-bottom: 15px;
        }
        .interactive-section {
            background-color: #f8f9fa;
            padding: 40px;
            border-radius: var(--border-radius);
            margin: 60px 0;
            border-left: 6px solid var(--secondary-yellow);
        }
        .interactive-section h2 {
            border-bottom: none;
            margin-top: 0;
        }
        .rating-form, .comment-form {
            margin-top: 30px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: var(--light-gray);
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star:hover ~ .star {
            color: var(--light-gray);
        }
        .rating-stars .active {
            color: var(--secondary-yellow);
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-gray);
        }
        input[type="text"],
        input[type="email"],
        textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--light-gray);
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        input[type="text"]:focus,
        input[type="email"]:focus,
        textarea:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        textarea {
            min-height: 180px;
            resize: vertical;
        }
        button[type="submit"] {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 16px 40px;
            font-size: 1.2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 700;
        }
        button[type="submit"]:hover {
            background-color: var(--secondary-yellow);
            transform: scale(1.03);
        }
        footer {
            background-color: var(--text-dark);
            color: var(--text-light);
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--bg-white);
            margin-bottom: 20px;
            display: inline-block;
        }
        .footer-links h4 {
            color: var(--text-light);
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 10px;
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #cccccc;
        }
        .footer-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 15px 0;
            border-left: 4px solid var(--primary-green);
        }
        friend-link a {
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            color: var(--secondary-yellow);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            h3 { font-size: 1.8rem; }
            .nav-links { gap: 15px; }
            .search-form-header input { width: 180px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--bg-white);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 30px;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links a {
                font-size: 1.3rem;
                padding: 10px;
            }
            .search-form-header {
                margin-left: 0;
                margin-top: 20px;
                width: 100%;
                justify-content: center;
            }
            .search-form-header input {
                width: 70%;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .content-section {
                padding: 0 15px;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            p, .intro { font-size: 1.1rem; }
            .interactive-section { padding: 30px 20px; }
        }